{"id":2596,"date":"2026-09-17T18:18:54","date_gmt":"2026-09-17T09:18:54","guid":{"rendered":"https:\/\/steelcrucian.com\/?p=2596"},"modified":"2026-09-17T18:18:55","modified_gmt":"2026-09-17T09:18:55","slug":"led-flicker-pwm-guide","status":"publish","type":"post","link":"https:\/\/steelcrucian.com\/led-flicker-pwm-guide\/","title":{"rendered":"\ud83d\udca1 \ud50c\ub9ac\ucee4(Flicker)\uc640 \uc870\uba85 \ud488\uc9c8 \u2013 PWM \uc870\uad11\uc758 \ud568\uc815, &#8220;\ub208\uc5d0 \uc548 \ubcf4\uc774\uba74 \uad1c\ucc2e\ub2e4&#8221;\ub294 \ucc29\uac01"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\uc2a4\ub9c8\ud2b8\ud3f0 \uce74\uba54\ub77c\ub85c \uc0ac\ubb34\uc2e4 \ucc9c\uc7a5 \uc870\uba85\uc744 \ube44\ucd94\uba74 \ud654\uba74\uc5d0 <strong>\uac80\uc740 \uc904\ubb34\ub2ac\uac00 \uc704\uc544\ub798\ub85c \ud758\ub7ec\uac00\ub294<\/strong> \uacbd\uc6b0\uac00 \uc788\uc2b5\ub2c8\ub2e4. \ub208\uc73c\ub85c \ubcf4\uba74 \uba40\uca61\ud558\uac8c \ucf1c\uc838 \uc788\ub294 \uc870\uba85\uc778\ub370 \ub9d0\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uac19\uc740 \uc870\uba85 \uc544\ub798\uc5d0\uc11c \uc624\ub798 \uc77c\ud558\uba74 \uc720\ub3c5 \ub208\uc774 \ud53c\uace4\ud558\ub2e4\ub294 \uc0ac\ub78c\ub3c4 \uc788\uc2b5\ub2c8\ub2e4. \ub450 \ud604\uc0c1 \ubaa8\ub450 \uc6d0\uc778\uc774 \uac19\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc870\uba85\uc774 <strong>\uc544\uc8fc \ube60\ub974\uac8c \ubc1d\uc544\uc84c\ub2e4 \uc5b4\ub450\uc6cc\uc84c\ub2e4\ub97c \ubc18\ubcf5<\/strong>\ud558\uace0 \uc788\ub294 \uac83\uc785\ub2c8\ub2e4. \uc774\uac83\uc744 **\ud50c\ub9ac\ucee4(Flicker)**\ub77c\uace0 \ubd80\ub985\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">LED \uc870\uba85\uc5d0\uc11c \ud50c\ub9ac\ucee4\ub294 \uc8fc\ub85c \ub450 \uacf3\uc5d0\uc11c \uc0dd\uae41\ub2c8\ub2e4. \uc804\uc6d0\uc758 <strong>\ub9ac\ud50c<\/strong>, \uadf8\ub9ac\uace0 \ubc1d\uae30\ub97c \uc904\uc774\ub294 <strong>PWM \uc870\uad11<\/strong>\uc785\ub2c8\ub2e4. \ud2b9\ud788 PWM\uc740 &#8220;\ub208\uc5d0 \uc548 \ubcf4\uc774\ub2c8 \uad1c\ucc2e\ub2e4&#8221;\ub294 \uc774\uc720\ub85c \uc27d\uac8c \uc4f0\uc774\ub294\ub370, \uc774 \uae00\uc740 \uadf8 \ud310\ub2e8\uc774 \uc5b4\ub514\uc11c \ud2c0\uc5b4\uc9c0\ub294\uc9c0 \uacc4\uc0b0\uc73c\ub85c \uc815\ub9ac\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\ud83d\udca1 \uc774 \uae00\uc740 \uad11\ud559 \uc2dc\ub9ac\uc988 6\ub2e8\uacc4 <strong>\uad6c\ub3d9\u00b7\uc804\uae30<\/strong>\uc758 \ub450 \ubc88\uc9f8 \uae00\uc785\ub2c8\ub2e4. <a href=\"https:\/\/steelcrucian.com\/led-driver-constant-current\/\">LED \ub4dc\ub77c\uc774\ubc84 \uae30\ucd08 \u2013 \uc815\uc804\ub958 vs \uc815\uc804\uc555<\/a>\uc5d0\uc11c &#8220;\uc804\ub958\ub97c \uc77c\uc815\ud558\uac8c \ud758\ub9ac\ub294 \ubc95&#8221;\uc744 \ub2e4\ub918\ub2e4\uba74, \uc774\ubc88\uc5d0\ub294 \uadf8 \uc804\ub958\ub97c <strong>\uc2dc\uac04\ucd95\uc5d0\uc11c<\/strong> \ub4e4\uc5ec\ub2e4\ubd05\ub2c8\ub2e4.<\/p>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_88 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"\ubaa9\ucc28 \ud1a0\uae00\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/steelcrucian.com\/led-flicker-pwm-guide\/#%F0%9F%92%A1_%ED%94%8C%EB%A6%AC%EC%BB%A4%EB%8A%94_%E2%80%9C%EB%B3%B4%EC%9D%B4%EB%8A%94_%EA%B9%9C%EB%B9%A1%EC%9E%84%E2%80%9D%EB%A7%8C%EC%9D%B4_%EC%95%84%EB%8B%88%EB%8B%A4\" >\ud83d\udca1 \ud50c\ub9ac\ucee4\ub294 &#8220;\ubcf4\uc774\ub294 \uae5c\ube61\uc784&#8221;\ub9cc\uc774 \uc544\ub2c8\ub2e4<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/steelcrucian.com\/led-flicker-pwm-guide\/#%F0%9F%93%90_%ED%94%8C%EB%A6%AC%EC%BB%A4%EB%A5%BC_%EC%88%AB%EC%9E%90%EB%A1%9C_%ED%91%9C%ED%98%84%ED%95%98%EB%8A%94_%EB%91%90_%EA%B0%80%EC%A7%80_%EB%B0%A9%EB%B2%95\" >\ud83d\udcd0 \ud50c\ub9ac\ucee4\ub97c \uc22b\uc790\ub85c \ud45c\ud604\ud558\ub294 \ub450 \uac00\uc9c0 \ubc29\ubc95<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/steelcrucian.com\/led-flicker-pwm-guide\/#%F0%9F%94%8C_LED_%ED%94%8C%EB%A6%AC%EC%BB%A4%EB%8A%94_%EC%96%B4%EB%94%94%EC%84%9C_%EC%83%9D%EA%B8%B0%EB%82%98\" >\ud83d\udd0c LED \ud50c\ub9ac\ucee4\ub294 \uc5b4\ub514\uc11c \uc0dd\uae30\ub098<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/steelcrucian.com\/led-flicker-pwm-guide\/#1_%EC%A0%84%EC%9B%90_%EB%A6%AC%ED%94%8C_%E2%80%93_%ED%95%9C%EA%B5%AD%EC%97%90%EC%84%9C%EB%8A%94_120Hz\" >1. \uc804\uc6d0 \ub9ac\ud50c \u2013 \ud55c\uad6d\uc5d0\uc11c\ub294 120Hz<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/steelcrucian.com\/led-flicker-pwm-guide\/#2_PWM_%EC%A1%B0%EA%B4%91_%E2%80%93_%EB%B0%9D%EA%B8%B0%EB%A5%BC_%EC%A4%84%EC%9D%B4%EB%8A%94_%EC%88%9C%EA%B0%84_%EC%83%9D%EA%B8%B4%EB%8B%A4\" >2. PWM \uc870\uad11 \u2013 \ubc1d\uae30\ub97c \uc904\uc774\ub294 \uc21c\uac04 \uc0dd\uae34\ub2e4<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/steelcrucian.com\/led-flicker-pwm-guide\/#%F0%9F%93%8A_%EC%96%BC%EB%A7%88%EB%82%98_%EB%B9%A8%EB%9D%BC%EC%95%BC_%EA%B4%9C%EC%B0%AE%EC%9D%80%EA%B0%80_%E2%80%93_IEEE_1789_%EA%B6%8C%EA%B3%A0\" >\ud83d\udcca \uc5bc\ub9c8\ub098 \ube68\ub77c\uc57c \uad1c\ucc2e\uc740\uac00 \u2013 IEEE 1789 \uad8c\uace0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/steelcrucian.com\/led-flicker-pwm-guide\/#%F0%9F%87%AA%F0%9F%87%BA_EU_%EA%B7%9C%EC%A0%9C%EB%8A%94_%EC%A1%B0%EA%B4%91_%EC%83%81%ED%83%9C%EB%A5%BC_%EB%B3%B4%EC%A7%80_%EC%95%8A%EB%8A%94%EB%8B%A4\" >\ud83c\uddea\ud83c\uddfa EU \uaddc\uc81c\ub294 \uc870\uad11 \uc0c1\ud0dc\ub97c \ubcf4\uc9c0 \uc54a\ub294\ub2e4<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/steelcrucian.com\/led-flicker-pwm-guide\/#%F0%9F%93%B7_%EC%B9%B4%EB%A9%94%EB%9D%BC%EC%99%80_%EB%A8%B8%EC%8B%A0%EB%B9%84%EC%A0%84%EC%97%90%EC%84%9C%EB%8A%94_%EB%8D%94_%EC%97%84%EA%B2%A9%ED%95%98%EB%8B%A4\" >\ud83d\udcf7 \uce74\uba54\ub77c\uc640 \uba38\uc2e0\ube44\uc804\uc5d0\uc11c\ub294 \ub354 \uc5c4\uaca9\ud558\ub2e4<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/steelcrucian.com\/led-flicker-pwm-guide\/#%F0%9F%8E%9B%EF%B8%8F_%EA%B7%B8%EB%9F%BC_%EB%B0%9D%EA%B8%B0%EB%8A%94_%EC%96%B4%EB%96%BB%EA%B2%8C_%EC%A4%84%EC%97%AC%EC%95%BC_%ED%95%98%EB%82%98\" >\ud83c\udf9b\ufe0f \uadf8\ub7fc \ubc1d\uae30\ub294 \uc5b4\ub5bb\uac8c \uc904\uc5ec\uc57c \ud558\ub098<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/steelcrucian.com\/led-flicker-pwm-guide\/#%E2%9D%93_%EC%9E%90%EC%A3%BC_%ED%95%98%EB%8A%94_%EC%98%A4%ED%95%B4_3%EA%B0%80%EC%A7%80\" >\u2753 \uc790\uc8fc \ud558\ub294 \uc624\ud574 3\uac00\uc9c0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/steelcrucian.com\/led-flicker-pwm-guide\/#%E2%9C%85_%ED%95%9C%EB%88%88%EC%97%90_%EC%A0%95%EB%A6%AC\" >\u2705 \ud55c\ub208\uc5d0 \uc815\ub9ac<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/steelcrucian.com\/led-flicker-pwm-guide\/#%F0%9F%8E%AF_%EC%98%A4%EB%8A%98_%EB%B0%94%EB%A1%9C_%ED%99%95%EC%9D%B8%ED%95%B4%EB%B3%BC_%EA%B2%83\" >\ud83c\udfaf \uc624\ub298 \ubc14\ub85c \ud655\uc778\ud574\ubcfc \uac83<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/steelcrucian.com\/led-flicker-pwm-guide\/#%F0%9F%93%9A_%ED%95%A8%EA%BB%98_%EC%9D%BD%EC%9C%BC%EB%A9%B4_%EC%A2%8B%EC%9D%80_%EA%B8%80\" >\ud83d\udcda \ud568\uaed8 \uc77d\uc73c\uba74 \uc88b\uc740 \uae00<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%F0%9F%92%A1_%ED%94%8C%EB%A6%AC%EC%BB%A4%EB%8A%94_%E2%80%9C%EB%B3%B4%EC%9D%B4%EB%8A%94_%EA%B9%9C%EB%B9%A1%EC%9E%84%E2%80%9D%EB%A7%8C%EC%9D%B4_%EC%95%84%EB%8B%88%EB%8B%A4\"><\/span>\ud83d\udca1 \ud50c\ub9ac\ucee4\ub294 &#8220;\ubcf4\uc774\ub294 \uae5c\ube61\uc784&#8221;\ub9cc\uc774 \uc544\ub2c8\ub2e4<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uc870\uba85\uc758 \ubc1d\uae30\uac00 \uc2dc\uac04\uc5d0 \ub530\ub77c \ubcc0\ud558\ub294 \ud604\uc0c1\uc744 \ud1b5\ud2c0\uc5b4 **\uc2dc\uac04\uc801 \uad11 \ubcc0\uc870(TLM, Temporal Light Modulation)**\ub77c\uace0 \ud558\uace0, \uadf8 \uacb0\uacfc\ub85c \uc0ac\ub78c\uc774 \ub290\ub07c\ub294 \ud604\uc0c1\uc744 **TLA(Temporal Light Artefacts)**\ub77c\uace0 \ubd80\ub985\ub2c8\ub2e4. \ud06c\uac8c \uc138 \uac00\uc9c0\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\ud604\uc0c1<\/th><th>\uc124\uba85<\/th><th>\uc8fc\ub85c \ubb38\uc81c\ub418\ub294 \uc8fc\ud30c\uc218<\/th><\/tr><\/thead><tbody><tr><td>\ubcf4\uc774\ub294 \ud50c\ub9ac\ucee4<\/td><td>\uc870\uba85 \uc790\uccb4\uac00 \uae5c\ube61\uc774\ub294 \uac83\uc774 \ub290\uaef4\uc9d0<\/td><td>\ub0ae\uc740 \uc8fc\ud30c\uc218 (\uc218\uc2ed Hz \uc774\ud558)<\/td><\/tr><tr><td>\uc2a4\ud2b8\ub85c\ubcf4 \ud6a8\uacfc<\/td><td>\uc6c0\uc9c1\uc774\ub294 \ubb3c\uccb4\uac00 \ub04a\uaca8 \ubcf4\uc774\uac70\ub098 \uba48\ucdb0 \ubcf4\uc784<\/td><td>\uc218\uc2ed Hz ~ \uc218 kHz<\/td><\/tr><tr><td>\ud32c\ud140 \uc5b4\ub808\uc774<\/td><td>\ub208\uc744 \ube60\ub974\uac8c \ub3cc\ub9b4 \ub54c \uad11\uc6d0\uc774 \uc810\uc120\ucc98\ub7fc \ubcf4\uc784<\/td><td>\uc218\ubc31 Hz \uc774\uc0c1\ub3c4 \ubcf4\uace0\ub428<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">&#8220;100Hz\uac00 \ub118\uc73c\uba74 \uc0ac\ub78c \ub208\uc5d0 \uc548 \ubcf4\uc778\ub2e4&#8221;\ub294 \ub9d0\uc774 \ud754\ud558\uc9c0\ub9cc, \uc774\uac83\uc740 <strong>\uc870\uba85\uc744 \uac00\ub9cc\ud788 \ubc14\ub77c\ubcfc \ub54c<\/strong>\uc5d0 \uac00\uae4c\uc6b4 \uc774\uc57c\uae30\uc785\ub2c8\ub2e4. \ud50c\ub9ac\ucee4 \uad00\ub828 \uc790\ub8cc\ub97c \uc815\ub9ac\ud55c <a href=\"https:\/\/www.flickersense.org\/background\/definitions\" target=\"_blank\" rel=\"noopener\">FlickerSense<\/a>\ub294 800Hz \ud50c\ub9ac\ucee4\uac00 \uac1c\ubcc4 \uc12c\uad11\uc73c\ub85c \ubcf4\uc77c \uc218 \uc788\uace0, \ud32c\ud140 \uc5b4\ub808\uc774\ub098 \uc2a4\ud2b8\ub85c\ubcf4 \ud6a8\uacfc\ub85c\ub294 10kHz \uc218\uc900\uae4c\uc9c0\ub3c4 \uac04\uc811 \uc778\uc9c0\ub420 \uc218 \uc788\ub2e4\ub294 \uc5f0\uad6c\ub97c \uc18c\uac1c\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u26a0\ufe0f <strong>\ub208\uc5d0 \uc9c1\uc811 \ubcf4\uc774\uc9c0 \uc54a\ub294\ub2e4\uace0 \uc601\ud5a5\uc774 \uc5c6\ub2e4\ub294 \ub73b\uc740 \uc544\ub2d9\ub2c8\ub2e4.<\/strong> \uc6c0\uc9c1\uc774\ub294 \ubb3c\uccb4, \uc2dc\uc120 \uc774\ub3d9, \uadf8\ub9ac\uace0 \uce74\uba54\ub77c\ub294 \uc0ac\ub78c\uc774 \uac00\ub9cc\ud788 \ubcfc \ub54c\ubcf4\ub2e4 \ud6e8\uc52c \uc608\ubbfc\ud558\uac8c \ubc18\uc751\ud569\ub2c8\ub2e4.<\/p>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%F0%9F%93%90_%ED%94%8C%EB%A6%AC%EC%BB%A4%EB%A5%BC_%EC%88%AB%EC%9E%90%EB%A1%9C_%ED%91%9C%ED%98%84%ED%95%98%EB%8A%94_%EB%91%90_%EA%B0%80%EC%A7%80_%EB%B0%A9%EB%B2%95\"><\/span>\ud83d\udcd0 \ud50c\ub9ac\ucee4\ub97c \uc22b\uc790\ub85c \ud45c\ud604\ud558\ub294 \ub450 \uac00\uc9c0 \ubc29\ubc95<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uc2e4\ubb34\uc5d0\uc11c \uac00\uc7a5 \ub9ce\uc774 \uc4f0\ub294 \uc9c0\ud45c\ub294 \ub450 \uac00\uc9c0\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\ud37c\uc13c\ud2b8 \ud50c\ub9ac\ucee4 (Percent Flicker, \ubcc0\uc870 \uae4a\uc774 Mod%)\n= (\ucd5c\ub300 \u2212 \ucd5c\uc18c) \u00f7 (\ucd5c\ub300 + \ucd5c\uc18c) \u00d7 100\n\n\ud50c\ub9ac\ucee4 \uc778\ub371\uc2a4 (Flicker Index, FI)\n= \ud3c9\uade0\uc120 \uc704\ucabd \uba74\uc801 \u00f7 \ud55c \uc8fc\uae30 \uc804\uccb4 \uba74\uc801\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\ud37c\uc13c\ud2b8 \ud50c\ub9ac\ucee4\ub294 <strong>\uc5bc\ub9c8\ub098 \uae4a\uac8c<\/strong> \ud754\ub4e4\ub9ac\ub294\uc9c0\ub97c, \ud50c\ub9ac\ucee4 \uc778\ub371\uc2a4\ub294 <strong>\ud30c\ud615 \ubaa8\uc591\uae4c\uc9c0 \ubc18\uc601\ud574<\/strong> \ud754\ub4e4\ub9bc\uc744 \ubd05\ub2c8\ub2e4. \ub458 \ub2e4 0\uc774\uba74 \uc644\uc804\ud788 \uc77c\uc815\ud55c \ube5b\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"598\" src=\"https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/09\/flicker-01-waveforms-1024x598.png\" alt=\"\" class=\"wp-image-2597\" srcset=\"https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/09\/flicker-01-waveforms-1024x598.png 1024w, https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/09\/flicker-01-waveforms-300x175.png 300w, https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/09\/flicker-01-waveforms-767x448.png 767w, https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/09\/flicker-01-waveforms.png 1232w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\uac19\uc740 \uacc4\uc0b0\uc744 \ub300\ud45c \ud30c\ud615\uc5d0 \uc801\uc6a9\ud558\uba74 \uc774\ub807\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\ud30c\ud615<\/th><th>\ud37c\uc13c\ud2b8 \ud50c\ub9ac\ucee4<\/th><th>\ud50c\ub9ac\ucee4 \uc778\ub371\uc2a4<\/th><th>\ud3c9\uade0 \ubc1d\uae30<\/th><\/tr><\/thead><tbody><tr><td>\uc815\uc804\ub958 DC (\ub9ac\ud50c \uc5c6\uc74c)<\/td><td>0%<\/td><td>0.00<\/td><td>100%<\/td><\/tr><tr><td>\uc0ac\uc778\ud30c \ub9ac\ud50c \u00b15%<\/td><td>5%<\/td><td>0.016<\/td><td>100%<\/td><\/tr><tr><td>\uc0ac\uc778\ud30c \ub9ac\ud50c \u00b130%<\/td><td>30%<\/td><td>0.095<\/td><td>100%<\/td><\/tr><tr><td>PWM \ub4c0\ud2f0 30%<\/td><td>100%<\/td><td>0.70<\/td><td>30%<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\ud83d\udccc <strong>\uacc4\uc0b0 \uadfc\uac70<\/strong>: Python\uc73c\ub85c \ud30c\ud615\uc744 \uc0d8\ud50c\ub9c1\ud574 \uacc4\uc0b0\ud588\uc2b5\ub2c8\ub2e4. \uc0ac\uc778\ud30c \ub9ac\ud50c\uc758 \ud50c\ub9ac\ucee4 \uc778\ub371\uc2a4\ub294 \uc774\ub860\uc2dd (\ubcc0\uc870 \uae4a\uc774 \u00f7 \u03c0)\uacfc \uc77c\uce58\ud558\uace0, \uaebc\uc9d0 \uad6c\uac04\uc774 \uc788\ub294 PWM\uc758 \ud50c\ub9ac\ucee4 \uc778\ub371\uc2a4\ub294 (1 \u2212 \ub4c0\ud2f0)\uc640 \uc77c\uce58\ud569\ub2c8\ub2e4.<\/p>\n<\/blockquote>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\ud83d\udca1 <strong>\uc804\ub958 \ub9ac\ud50c\uacfc \ud37c\uc13c\ud2b8 \ud50c\ub9ac\ucee4\uc758 \uad00\uacc4<\/strong>: \uad11\ucd9c\ub825\uc774 \uc804\ub958\uc5d0 \uac70\uc758 \ube44\ub840\ud55c\ub2e4\uace0 \ubcf4\uba74, **\ub9ac\ud50c \ud53c\ud06c-\ud53c\ud06c\uac00 \ud3c9\uade0 \uc804\ub958\uc758 20%\uc77c \ub54c \ud37c\uc13c\ud2b8 \ud50c\ub9ac\ucee4\ub294 \uc57d 10%**\uc785\ub2c8\ub2e4(\u00b110%\uc774\ubbc0\ub85c). \ub4dc\ub77c\uc774\ubc84 \ub370\uc774\ud130\uc2dc\ud2b8\uc758 \ub9ac\ud50c \uc804\ub958 \uac12\uc744 \ud50c\ub9ac\ucee4\ub85c \uc5b4\ub9bc\ud560 \ub54c \uc4f8 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc2e4\uc81c\ub85c\ub294 LED\uc758 \uc804\ub958-\uad11\ucd9c\ub825 \uad00\uacc4\uac00 \uc644\uc804\ud55c \uc9c1\uc120\uc774 \uc544\ub2c8\ubbc0\ub85c \uadfc\uc0ac\uc785\ub2c8\ub2e4.<\/p>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%F0%9F%94%8C_LED_%ED%94%8C%EB%A6%AC%EC%BB%A4%EB%8A%94_%EC%96%B4%EB%94%94%EC%84%9C_%EC%83%9D%EA%B8%B0%EB%82%98\"><\/span>\ud83d\udd0c LED \ud50c\ub9ac\ucee4\ub294 \uc5b4\ub514\uc11c \uc0dd\uae30\ub098<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_%EC%A0%84%EC%9B%90_%EB%A6%AC%ED%94%8C_%E2%80%93_%ED%95%9C%EA%B5%AD%EC%97%90%EC%84%9C%EB%8A%94_120Hz\"><\/span>1. \uc804\uc6d0 \ub9ac\ud50c \u2013 \ud55c\uad6d\uc5d0\uc11c\ub294 120Hz<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc0c1\uc6a9 \uad50\ub958\ub294 \ud55c\uad6d \uae30\uc900 60Hz\uc785\ub2c8\ub2e4. \uc774\uac83\uc744 \uc815\ub958\ud558\uba74 \uc804\uc555\uc774 1\ucd08\uc5d0 120\ubc88 \uc624\ub974\ub0b4\ub9ac\ub294 <strong>120Hz \uc131\ubd84<\/strong>\uc774 \ub0a8\uc2b5\ub2c8\ub2e4. \ub4dc\ub77c\uc774\ubc84\uac00 \uc774 \uc131\ubd84\uc744 \ucda9\ubd84\ud788 \uac78\ub7ec\ub0b4\uc9c0 \ubabb\ud558\uba74 LED \uc804\ub958\uc5d0 <strong>\ub9ac\ud50c<\/strong>\uc774 \uc11e\uc774\uace0, \uadf8\ub300\ub85c 120Hz \ud50c\ub9ac\ucee4\uac00 \ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/steelcrucian.com\/led-driver-constant-current\/\">\ub4dc\ub77c\uc774\ubc84 \uae30\ucd08 \uae00<\/a>\uc5d0\uc11c \ubcf8 \uac83\ucc98\ub7fc \uc815\uc804\ub958 \ub4dc\ub77c\uc774\ubc84\ub294 <strong>\ud3c9\uade0 \uc804\ub958<\/strong>\ub97c \ub9de\ucdb0\uc8fc\uc9c0\ub9cc, \ub9ac\ud50c\uae4c\uc9c0 0\uc73c\ub85c \ub9cc\ub4e0\ub2e4\ub294 \ubcf4\uc7a5\uc740 \uc5c6\uc2b5\ub2c8\ub2e4. \uc800\uac00 \ub4dc\ub77c\uc774\ubc84\uc640 \uc18c\ud615 \uc804\uad6c\ud615 \uc81c\ud488\uc5d0\uc11c \ub9ac\ud50c \ud50c\ub9ac\ucee4\uac00 \uc790\uc8fc \ubb38\uc81c\ub418\ub294 \uc774\uc720\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_PWM_%EC%A1%B0%EA%B4%91_%E2%80%93_%EB%B0%9D%EA%B8%B0%EB%A5%BC_%EC%A4%84%EC%9D%B4%EB%8A%94_%EC%88%9C%EA%B0%84_%EC%83%9D%EA%B8%B4%EB%8B%A4\"><\/span>2. PWM \uc870\uad11 \u2013 \ubc1d\uae30\ub97c \uc904\uc774\ub294 \uc21c\uac04 \uc0dd\uae34\ub2e4<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">PWM(Pulse Width Modulation)\uc740 LED\ub97c <strong>\uc644\uc804\ud788 \ucf30\ub2e4 \uaed0\ub2e4 \ubc18\ubcf5<\/strong>\ud558\uba74\uc11c \ucf1c\uc9c4 \uc2dc\uac04\uc758 \ube44\uc728(\ub4c0\ud2f0)\ub85c \ud3c9\uade0 \ubc1d\uae30\ub97c \uc870\uc808\ud569\ub2c8\ub2e4. \ud68c\ub85c\uac00 \ub2e8\uc21c\ud558\uace0 \ubc1d\uae30 \uc870\uc808\uc774 \uc815\ubc00\ud574\uc11c \ub110\ub9ac \uc4f0\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ubb38\uc81c\ub294 \ud30c\ud615 \uc790\uccb4\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\ub4c0\ud2f0<\/th><th>\ud3c9\uade0 \ubc1d\uae30<\/th><th>\ud37c\uc13c\ud2b8 \ud50c\ub9ac\ucee4<\/th><th>\ud50c\ub9ac\ucee4 \uc778\ub371\uc2a4<\/th><\/tr><\/thead><tbody><tr><td>100%<\/td><td>100%<\/td><td>0%<\/td><td>0.00<\/td><\/tr><tr><td>80%<\/td><td>80%<\/td><td>100%<\/td><td>0.20<\/td><\/tr><tr><td>50%<\/td><td>50%<\/td><td>100%<\/td><td>0.50<\/td><\/tr><tr><td>30%<\/td><td>30%<\/td><td>100%<\/td><td>0.70<\/td><\/tr><tr><td>10%<\/td><td>10%<\/td><td>100%<\/td><td>0.90<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u26a0\ufe0f <strong>PWM \uc870\uad11\uc758 \uccab \ubc88\uc9f8 \ud568\uc815<\/strong>: \ubc1d\uae30\ub97c \uc870\uae08\ub9cc \ub0ae\ucdb0\ub3c4(\ub4c0\ud2f0 99%) \ud37c\uc13c\ud2b8 \ud50c\ub9ac\ucee4\ub294 **\uace7\ubc14\ub85c 100%**\uac00 \ub429\ub2c8\ub2e4. \uaebc\uc9d0 \uad6c\uac04\uc774 \uc788\ub294 \ud55c \ucd5c\uc18c\uac12\uc774 0\uc774\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4. \uadf8\ub9ac\uace0 <strong>\uc5b4\ub461\uac8c \ud560\uc218\ub85d \ud50c\ub9ac\ucee4 \uc778\ub371\uc2a4\ub294 \ub354 \ub098\ube60\uc9d1\ub2c8\ub2e4.<\/strong> 100% \ubc1d\uae30\uc5d0\uc11c \uc2dc\ud5d8\ud55c \uacb0\uacfc\uac00 \uc870\uad11 \uc0c1\ud0dc\uc758 \ud488\uc9c8\uc744 \ub300\ubcc0\ud558\uc9c0 \ubabb\ud569\ub2c8\ub2e4.<\/p>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%F0%9F%93%8A_%EC%96%BC%EB%A7%88%EB%82%98_%EB%B9%A8%EB%9D%BC%EC%95%BC_%EA%B4%9C%EC%B0%AE%EC%9D%80%EA%B0%80_%E2%80%93_IEEE_1789_%EA%B6%8C%EA%B3%A0\"><\/span>\ud83d\udcca \uc5bc\ub9c8\ub098 \ube68\ub77c\uc57c \uad1c\ucc2e\uc740\uac00 \u2013 IEEE 1789 \uad8c\uace0<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ud50c\ub9ac\ucee4 \ud3c9\uac00\uc5d0\uc11c \uac00\uc7a5 \ub9ce\uc774 \uc778\uc6a9\ub418\ub294 \ubb38\uc11c\ub294 <strong>IEEE Std 1789-2015<\/strong>\uc785\ub2c8\ub2e4. <a href=\"https:\/\/standards.ieee.org\/standard\/1789-2015.html\" target=\"_blank\" rel=\"noopener\">IEEE \ud45c\uc900 \uc18c\uac1c \ud398\uc774\uc9c0<\/a>\uc5d0 \ub530\ub974\uba74, \uc774 \ubb38\uc11c\ub294 LED \ubcc0\uc870 \uc8fc\ud30c\uc218\uac00 \uac74\uac15\uc5d0 \ubbf8\uce60 \uc218 \uc788\ub294 \uc704\ud5d8\uacfc \uc870\uad11 \uc2dc \ubcc0\uc870 \ubc29\uc2dd\uc744 \ub2e4\ub8e8\uace0 \uc704\ud5d8\uc744 \uc904\uc774\uae30 \uc704\ud55c \uad8c\uace0\ub97c \uc81c\uc2dc\ud569\ub2c8\ub2e4. **\uac15\uc81c \uaddc\uaca9\uc774 \uc544\ub2c8\ub77c \uad8c\uace0 \uad00\ud589(Recommended Practice)**\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud575\uc2ec\uc740 <strong>\uc8fc\ud30c\uc218\uac00 \ub192\uc744\uc218\ub85d \ud5c8\uc6a9\ub418\ub294 \ubcc0\uc870 \uae4a\uc774\uac00 \ucee4\uc9c4\ub2e4<\/strong>\ub294 \uac83\uc785\ub2c8\ub2e4. \uce21\uc815 \uc7a5\ube44 \uc5c5\uccb4 <a href=\"https:\/\/www.azom.com\/article.aspx?ArticleID=14729\" target=\"_blank\" rel=\"noopener\">Admesy\uc758 \ud574\uc124<\/a>\uacfc <a href=\"https:\/\/www.flickersense.org\/background\/definitions\" target=\"_blank\" rel=\"noopener\">FlickerSense<\/a>\uc5d0 \uc815\ub9ac\ub41c \uc2dd\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\uc800\uc704\ud5d8(Low Risk)\n  f &lt; 90 Hz          : Mod% &lt; 0.025 \u00d7 f\n  90 ~ 1250 Hz       : Mod% &lt; 0.08 \u00d7 f\n  1250 Hz \ucd08\uacfc        : \uc81c\ud55c \uc5c6\uc74c\n\n\uc601\ud5a5 \uad00\ucc30 \uc548 \ub428(NOEL, No Observable Effect Level)\n  f &lt; 90 Hz          : Mod% &lt; 0.01 \u00d7 f\n  90 Hz \uc774\uc0c1          : Mod% &lt; 0.0333 \u00d7 f   (\uc57d 3000 Hz\uae4c\uc9c0 \uc801\uc6a9)\n<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"565\" src=\"https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/09\/flicker-02-ieee1789-map-1024x565.png\" alt=\"\" class=\"wp-image-2598\" srcset=\"https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/09\/flicker-02-ieee1789-map-1024x565.png 1024w, https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/09\/flicker-02-ieee1789-map-300x166.png 300w, https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/09\/flicker-02-ieee1789-map-766x423.png 766w, https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/09\/flicker-02-ieee1789-map.png 1232w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\uc8fc\ud30c\uc218\ubcc4\ub85c \uacc4\uc0b0\ud558\uba74 \uc774\ub807\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\uc8fc\ud30c\uc218<\/th><th>\uc800\uc704\ud5d8 \ud55c\uacc4<\/th><th>NOEL \ud55c\uacc4<\/th><\/tr><\/thead><tbody><tr><td>120 Hz<\/td><td>9.6%<\/td><td>4.0%<\/td><\/tr><tr><td>240 Hz<\/td><td>19.2%<\/td><td>8.0%<\/td><\/tr><tr><td>500 Hz<\/td><td>40.0%<\/td><td>16.7%<\/td><\/tr><tr><td>1,000 Hz<\/td><td>80.0%<\/td><td>33.3%<\/td><\/tr><tr><td>1,250 Hz<\/td><td>100%<\/td><td>41.6%<\/td><\/tr><tr><td>2,000 Hz<\/td><td>\uc81c\ud55c \uc5c6\uc74c<\/td><td>66.6%<\/td><\/tr><tr><td>3,000 Hz<\/td><td>\uc81c\ud55c \uc5c6\uc74c<\/td><td>\uc57d 100%<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\uc5ec\uae30\uc11c \uc2e4\ubb34\uc5d0 \ubc14\ub85c \uc4f0\ub294 \uacb0\ub860 \ub450 \uac00\uc9c0\uac00 \ub098\uc635\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ub9ac\ud50c \ucabd<\/strong>: 120Hz \ub9ac\ud50c\uc740 \ud37c\uc13c\ud2b8 \ud50c\ub9ac\ucee4 <strong>9.6% \ubbf8\ub9cc<\/strong>\uc774\uc5b4\uc57c \uc800\uc704\ud5d8, <strong>4% \ubbf8\ub9cc<\/strong>\uc774\uc5b4\uc57c NOEL\uc785\ub2c8\ub2e4. \ub9ac\ud50c \ud53c\ud06c-\ud53c\ud06c\ub85c \ud658\uc0b0\ud558\uba74 \ud3c9\uade0 \uc804\ub958\uc758 \uac01\uac01 \uc57d 19%, 8% \uc218\uc900\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>PWM \ucabd<\/strong>: \uaebc\uc9d0 \uad6c\uac04\uc774 \uc788\ub294 PWM(\ud37c\uc13c\ud2b8 \ud50c\ub9ac\ucee4 100%)\uc774 \uc800\uc704\ud5d8 \uc870\uac74\uc744 \ub9cc\uc871\ud558\ub824\uba74 <strong>1,250Hz \ucd08\uacfc<\/strong>, NOEL\uc744 \ub9cc\uc871\ud558\ub824\uba74 <strong>\uc57d 3,000Hz \uc774\uc0c1<\/strong>\uc774\uc5b4\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\ud83d\udccc PWM 100% \ubcc0\uc870\uc758 NOEL \uc870\uac74\uc740 100 \u00f7 0.0333 \u2248 3,003Hz\ub85c \uacc4\uc0b0\ub429\ub2c8\ub2e4. \uc774 \uae00\uc5d0\uc11c\ub294 \ubc18\uc62c\ub9bc\ud574 \uc57d 3,000Hz\ub85c \uc801\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\n<\/blockquote>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\ud83d\udca1 <strong>&#8220;200Hz PWM\uc774\uba74 \uc0ac\ub78c \ub208\uc5d4 \uc548 \ubcf4\uc774\ub2c8 \uad1c\ucc2e\ub2e4&#8221;\ub294 \ud310\ub2e8\uc774 \ud754\ud569\ub2c8\ub2e4.<\/strong> IEEE 1789 \uae30\uc900\uc73c\ub85c 200Hz\uc5d0\uc11c \ud5c8\uc6a9\ub418\ub294 \ubcc0\uc870 \uae4a\uc774\ub294 \uc800\uc704\ud5d8 16%, NOEL \uc57d 6.7%\uc785\ub2c8\ub2e4. 100% \ubcc0\uc870\uc778 PWM\uc740 \uc800\uc704\ud5d8 \ud55c\uacc4\uc758 6\ubc30 \uc774\uc0c1\uc785\ub2c8\ub2e4.<\/p>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%F0%9F%87%AA%F0%9F%87%BA_EU_%EA%B7%9C%EC%A0%9C%EB%8A%94_%EC%A1%B0%EA%B4%91_%EC%83%81%ED%83%9C%EB%A5%BC_%EB%B3%B4%EC%A7%80_%EC%95%8A%EB%8A%94%EB%8B%A4\"><\/span>\ud83c\uddea\ud83c\uddfa EU \uaddc\uc81c\ub294 \uc870\uad11 \uc0c1\ud0dc\ub97c \ubcf4\uc9c0 \uc54a\ub294\ub2e4<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uc720\ub7fd\uc740 \uc5d0\ucf54\ub514\uc790\uc778 \uaddc\uc815 <strong>(EU) 2019\/2020<\/strong>\uc5d0\uc11c \ud50c\ub9ac\ucee4\ub97c \uc815\ub7c9 \uae30\uc900\uc73c\ub85c \uaddc\uc81c\ud569\ub2c8\ub2e4. \uc870\uba85 \uc5c5\uccb4 <a href=\"https:\/\/www.erco.com\/en\/designing-with-light\/lighting-knowledge\/led\/flicker-7734\/\" target=\"_blank\" rel=\"noopener\">ERCO\uc758 \uc124\uba85<\/a>\uc5d0 \ub530\ub974\uba74 \ub450 \uc9c0\ud45c\ub97c \uc501\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\uc9c0\ud45c<\/th><th>\ud3c9\uac00 \ub300\uc0c1<\/th><th>\uc8fc\ud30c\uc218 \ubc94\uc704<\/th><th>\ud55c\uacc4<\/th><\/tr><\/thead><tbody><tr><td>PstLM<\/td><td>\ubcf4\uc774\ub294 \ud50c\ub9ac\ucee4<\/td><td>\uc57d 0.3 ~ 80 Hz<\/td><td>1.0 \uc774\ud558<\/td><\/tr><tr><td>SVM<\/td><td>\uc2a4\ud2b8\ub85c\ubcf4 \ud6a8\uacfc<\/td><td>80 ~ 2,000 Hz<\/td><td>0.4 \uc774\ud558<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\ub450 \uac12 \ubaa8\ub450 <strong>1\uc774\uba74 \ud3c9\uade0\uc801\uc778 \uad00\ucc30\uc790\uac00 50% \ud655\ub960\ub85c \uc54c\uc544\ucc48\ub2e4<\/strong>\ub294 \uc758\ubbf8\uc785\ub2c8\ub2e4. <a href=\"https:\/\/www.ledvance.com\/en-uk\/professional-lighting\/services\/eu-legislations\/eu-regulations\/faq\" target=\"_blank\" rel=\"noopener\">LEDVANCE\uc758 \uaddc\uc815 FAQ<\/a>\uc5d0 \ub530\ub974\uba74 SVM \ud55c\uacc4\ub294 2021\ub144 9\uc6d4\ubd80\ud130 0.9, <strong>2024\ub144 9\uc6d4\ubd80\ud130 0.4<\/strong>\ub85c \uac15\ud654\ub418\uc5c8\uace0, CRI 80 \uc774\ud558\uac00 \ud5c8\uc6a9\ub418\ub294 \uc625\uc678\u00b7\uc0b0\uc5c5\uc6a9 \ub4f1\uc740 \uc608\uc678\ub85c \ub461\ub2c8\ub2e4.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u26a0\ufe0f <strong>PWM \uc870\uad11\uc758 \ub450 \ubc88\uc9f8 \ud568\uc815<\/strong>: \uc774 \ud55c\uacc4\ub294 <strong>\uc804\ubd80\ud558(Full load), \uc989 100% \ubc1d\uae30\uc5d0\uc11c \uce21\uc815\ud55c \uac12<\/strong>\uc5d0 \uc801\uc6a9\ub429\ub2c8\ub2e4. \ud55c LED \uc5c5\uccb4\uc758 <a href=\"https:\/\/www.fanxstar.com\/blog\/new-eu-standards-flicker-pstlm-svm-lighting-safety-health\/\" target=\"_blank\" rel=\"noopener\">\uc870\ub2ec \uad00\uc810 \ud574\uc124<\/a>\ub3c4 \uaddc\uc815 \ud55c\uacc4\uac00 \uc804\ubd80\ud558 \uae30\uc900\uc774\ub77c\uc11c, \uc13c\uc11c \ub300\uae30 \uc870\uad11\uc774\ub098 \ub2e4\ub2e8 \ucd9c\ub825\ucc98\ub7fc <strong>\ub0ae\uc740 \ubc1d\uae30\ub85c \uc624\ub798 \uc4f0\ub294 \uc81c\ud488\uc740 \uc804\ubd80\ud558 \uc131\uc801\uc11c\ub9cc\uc73c\ub85c \ud310\ub2e8\ud558\uae30 \uc5b4\ub835\ub2e4<\/strong>\uace0 \uc9c0\uc801\ud569\ub2c8\ub2e4. PWM \uc870\uad11 \uc81c\ud488\uc740 100%\uc5d0\uc11c\ub294 \ub9ac\ud50c\ub9cc \ub0a8\uc544 \uc88b\uc740 \uac12\uc774 \ub098\uc624\uace0, \uc870\uad11\ud558\ub294 \uc21c\uac04 \ud50c\ub9ac\ucee4\uac00 \ucee4\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">PstLM\uacfc SVM\uc758 \uce21\uc815 \ubc29\ubc95\uacfc \ud310\uc815\uc740 \ub2e4\uc74c \uae00\uc5d0\uc11c \uc790\uc138\ud788 \ub2e4\ub8f9\ub2c8\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%F0%9F%93%B7_%EC%B9%B4%EB%A9%94%EB%9D%BC%EC%99%80_%EB%A8%B8%EC%8B%A0%EB%B9%84%EC%A0%84%EC%97%90%EC%84%9C%EB%8A%94_%EB%8D%94_%EC%97%84%EA%B2%A9%ED%95%98%EB%8B%A4\"><\/span>\ud83d\udcf7 \uce74\uba54\ub77c\uc640 \uba38\uc2e0\ube44\uc804\uc5d0\uc11c\ub294 \ub354 \uc5c4\uaca9\ud558\ub2e4<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uc0ac\ub78c \ub208\ubcf4\ub2e4 \ub354 \uae4c\ub2e4\ub85c\uc6b4 \uad00\ucc30\uc790\uac00 <strong>\uce74\uba54\ub77c<\/strong>\uc785\ub2c8\ub2e4. \uc2a4\ub9c8\ud2b8\ud3f0\uacfc \ub300\ubd80\ubd84\uc758 CMOS \uce74\uba54\ub77c\ub294 <strong>\ub864\ub9c1 \uc154\ud130<\/strong> \ubc29\uc2dd\uc774\ub77c, \ud654\uba74\uc758 \uac01 \ud589(\uc904)\uc744 \uc870\uae08\uc529 \ub2e4\ub978 \uc2dc\uc810\uc5d0 \ub178\ucd9c\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/image-ppubs.uspto.gov\/dirsearch-public\/print\/downloadPdf\/7142234\" target=\"_blank\" rel=\"noopener\">\ud55c \uc774\ubbf8\uc9c0 \uc13c\uc11c \ud2b9\ud5c8<\/a>\ub294 \ub178\ucd9c \uc2dc\uac04\uc774 \uad11\uc6d0 \ubc1d\uae30 \ubcc0\ub3d9 \uc8fc\uae30\uc758 <strong>\uc815\uc218\ubc30\uac00 \uc544\ub2c8\uba74<\/strong> \ud589\ub9c8\ub2e4 \ubc1b\ub294 \ube5b\uc758 \uc591\uc774 \ub2ec\ub77c\uc838, \ubc1d\uace0 \uc5b4\ub450\uc6b4 \ub760\uac00 \ud654\uba74\uc744 \uac00\ub85c\uc9c8\ub7ec \ud750\ub978\ub2e4\uace0 \uc124\uba85\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"549\" src=\"https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/09\/flicker-03-camera-banding-1024x549.png\" alt=\"\" class=\"wp-image-2600\" srcset=\"https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/09\/flicker-03-camera-banding-1024x549.png 1024w, https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/09\/flicker-03-camera-banding-300x161.png 300w, https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/09\/flicker-03-camera-banding-767x411.png 767w, https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/09\/flicker-03-camera-banding.png 1232w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\uc0c1\uc801\uc778 PWM \ud30c\ud615(\ub4c0\ud2f0 30%)\uacfc \ub864\ub9c1 \uc154\ud130\ub97c \uac00\uc815\ud574 <strong>\uac00\uc7a5 \ubc1d\uc740 \ud589\uacfc \uac00\uc7a5 \uc5b4\ub450\uc6b4 \ud589\uc758 \ucc28\uc774<\/strong>\ub97c \uacc4\uc0b0\ud588\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\uc154\ud130 \uc18d\ub3c4<\/th><th>PWM 240Hz<\/th><th>PWM 1,000Hz<\/th><th>PWM 20kHz<\/th><\/tr><\/thead><tbody><tr><td>1\/60\ucd08<\/td><td>0%<\/td><td>5.9%<\/td><td>0.3%<\/td><\/tr><tr><td>1\/100\ucd08<\/td><td>33.3%<\/td><td>0%<\/td><td>0%<\/td><\/tr><tr><td>1\/250\ucd08<\/td><td>13.3%<\/td><td>0%<\/td><td>0%<\/td><\/tr><tr><td>1\/500\ucd08<\/td><td>100%<\/td><td>0%<\/td><td>0%<\/td><\/tr><tr><td>1\/2000\ucd08<\/td><td>100%<\/td><td>100%<\/td><td>0%<\/td><\/tr><tr><td>1\/8000\ucd08<\/td><td>100%<\/td><td>100%<\/td><td>33.3%<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\ud83d\udccc <strong>\uacc4\uc0b0 \uadfc\uac70<\/strong>: \uac01 \ud589\uc774 \ubc1b\ub294 \ube5b\uc744 PWM \ud30c\ud615\uc758 \uc801\ubd84\uc73c\ub85c \uad6c\ud558\uace0, \ud589\uc758 \uc2dc\uc791 \uc704\uc0c1\uc744 \ud55c \uc8fc\uae30 \uc804\uccb4\uc5d0 \uac78\uccd0 \ubc14\uafd4\uac00\uba70 \ucd5c\ub300\u00b7\ucd5c\uc18c\ub97c \ucc3e\uc558\uc2b5\ub2c8\ub2e4. \uacc4\uc0b0 \uacb0\uacfc\ub294 (\ucd5c\ub300 \u2212 \ucd5c\uc18c) \u00f7 \ucd5c\ub300\uc785\ub2c8\ub2e4. \uc2e4\uc81c \uce74\uba54\ub77c\ub294 \uc13c\uc11c \uc751\ub2f5\uacfc LED\uc758 \ucf1c\uc9d0\u00b7\uaebc\uc9d0 \uc2dc\uac04 \ub54c\ubb38\uc5d0 \uc774 \uac12\uacfc \ub2e4\ub985\ub2c8\ub2e4.<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\uc77d\ub294 \ubc95\uc740 \uc774\ub807\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\ub178\ucd9c \uc2dc\uac04\uc774 PWM \uc8fc\uae30\uc758 \uc815\uc218\ubc30\uba74 \uc904\ubb34\ub2ac\uac00 \uc0ac\ub77c\uc9d1\ub2c8\ub2e4.<\/strong> 1,000Hz PWM\uc5d0\uc11c 1\/100\ucd08\ub294 10\uc8fc\uae30, 1\/250\ucd08\ub294 4\uc8fc\uae30\ub77c 0%\uc785\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\ub178\ucd9c \uc2dc\uac04\uc774 PWM\uc758 \uaebc\uc9d0 \uad6c\uac04\ubcf4\ub2e4 \uc9e7\uc544\uc9c0\uba74<\/strong> \uc5b4\ub5a4 \ud589\uc740 \ube5b\uc744 \uc804\ud600 \ubc1b\uc9c0 \ubabb\ud574 100%\uac00 \ub429\ub2c8\ub2e4. 240Hz\uc5d0\uc11c 1\/500\ucd08\uac00 \uadf8\ub7f0 \uacbd\uc6b0\uc785\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\uc8fc\ud30c\uc218\uac00 \ub192\uc744\uc218\ub85d<\/strong> \ube60\ub978 \uc154\ud130\uc5d0\uc11c\ub3c4 \uc904\ubb34\ub2ac\uac00 \uc0dd\uae30\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. 20kHz\ub294 1\/4000\ucd08\uae4c\uc9c0 0%\uc785\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\ud83d\udca1 <strong>\uba38\uc2e0\ube44\uc804 \uc870\uba85\uc5d0\uc11c\uc758 \ub300\uc751<\/strong>: \uc154\ud130 \uc18d\ub3c4\ub97c \uad11\uc6d0 \uc8fc\uae30\uc758 \uc815\uc218\ubc30\ub85c \ub9de\ucd94\uae30, \uce74\uba54\ub77c \ud2b8\ub9ac\uac70\uc640 \uc870\uba85\uc744 <strong>\ub3d9\uae30\ud654\ud55c \uc2a4\ud2b8\ub85c\ube0c \uad6c\ub3d9<\/strong>, \uae00\ub85c\ubc8c \uc154\ud130 \uce74\uba54\ub77c \uc0ac\uc6a9, \uadf8\ub9ac\uace0 \ubb34\uc5c7\ubcf4\ub2e4 <strong>\uac80\uc0ac \uc870\uba85\uc740 PWM \ub300\uc2e0 \uc815\uc804\ub958(\uc544\ub0a0\ub85c\uadf8)\ub85c \ubc1d\uae30\ub97c \uc870\uc808<\/strong>\ud558\ub294 \ubc29\ubc95\uc774 \uc788\uc2b5\ub2c8\ub2e4. \uba38\uc2e0\ube44\uc804 \uce74\uba54\ub77c \uc5c5\uccb4 <a href=\"https:\/\/www.accessnewswire.com\/newsroom\/en\/electronics-and-engineering\/vadzo-imaging-explains-led-flicker-mitigation-techniques-for-industrial-1172807\" target=\"_blank\" rel=\"noopener\">Vadzo\ub3c4 \ub178\ucd9c \uc2dc\uac04\uc744 PWM \uc8fc\uae30\uc758 \uc815\uc218\ubc30\ub85c \ub9de\ucd94\uac70\ub098 \ud589\ubcc4 \ub178\ucd9c \uc2dc\uac04\ucc28 \uc790\uccb4\ub97c \uc5c6\uc560\ub294 \ubc29\uc2dd<\/a>\uc744 \ub300\ucc45\uc73c\ub85c \uc124\uba85\ud569\ub2c8\ub2e4.<\/p>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%F0%9F%8E%9B%EF%B8%8F_%EA%B7%B8%EB%9F%BC_%EB%B0%9D%EA%B8%B0%EB%8A%94_%EC%96%B4%EB%96%BB%EA%B2%8C_%EC%A4%84%EC%97%AC%EC%95%BC_%ED%95%98%EB%82%98\"><\/span>\ud83c\udf9b\ufe0f \uadf8\ub7fc \ubc1d\uae30\ub294 \uc5b4\ub5bb\uac8c \uc904\uc5ec\uc57c \ud558\ub098<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"465\" src=\"https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/09\/flicker-04-dimming-methods-1024x465.png\" alt=\"\" class=\"wp-image-2601\" srcset=\"https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/09\/flicker-04-dimming-methods-1024x465.png 1024w, https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/09\/flicker-04-dimming-methods-300x136.png 300w, https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/09\/flicker-04-dimming-methods-768x349.png 768w, https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/09\/flicker-04-dimming-methods.png 1232w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\ubc29\uc2dd<\/th><th>\uc6d0\ub9ac<\/th><th>\ud50c\ub9ac\ucee4<\/th><th>\ub2e8\uc810<\/th><\/tr><\/thead><tbody><tr><td>\uc544\ub0a0\ub85c\uadf8(CCR) \uc870\uad11<\/td><td>\uc804\ub958 \ud06c\uae30 \uc790\uccb4\ub97c \uc904\uc784<\/td><td>\ub9ac\ud50c \uc678\uc5d0\ub294 \uc5c6\uc74c<\/td><td>\uc800\uc804\ub958\uc5d0\uc11c \uc0c9 \ubcc0\ud654, \uc800\uc870\ub3c4 \uc815\ubc00\ub3c4<\/td><\/tr><tr><td>\uc800\uc8fc\ud30c PWM (\uc218\ubc31 Hz)<\/td><td>\ucf1c\uc9d0 \ube44\uc728 \uc870\uc808<\/td><td>100% \ubcc0\uc870, IEEE \uae30\uc900 \ubc16<\/td><td>\uc2a4\ud2b8\ub85c\ubcf4\u00b7\uce74\uba54\ub77c \uc904\ubb34\ub2ac<\/td><\/tr><tr><td>\uace0\uc8fc\ud30c PWM (\uc218 kHz \uc774\uc0c1)<\/td><td>\ucf1c\uc9d0 \ube44\uc728 \uc870\uc808<\/td><td>100% \ubcc0\uc870\uc9c0\ub9cc NOEL \uc601\uc5ed \uac00\ub2a5<\/td><td>\uc2a4\uc704\uce6d \uc190\uc2e4, \uc18c\uc790\u00b7EMI \uace0\ub824<\/td><\/tr><tr><td>\ud558\uc774\ube0c\ub9ac\ub4dc<\/td><td>\uace0\uc870\ub3c4\ub294 \uc544\ub0a0\ub85c\uadf8, \uc800\uc870\ub3c4\ub294 PWM<\/td><td>\uc870\uad11 \uad6c\uac04\uc5d0 \ub530\ub77c \ub2e4\ub984<\/td><td>\uc81c\ud488\ub9c8\ub2e4 \uad6c\ud604 \ubc29\uc2dd\uc774 \ub2e4\ub984<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\ub450 \ubc29\uc2dd\uc740 \uc11c\ub85c\uc758 \uc57d\uc810\uc744 \ucc44\uc6c1\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\uc544\ub0a0\ub85c\uadf8 \uc870\uad11\uc758 \uc57d\uc810.<\/strong> Analog Devices\uc758 <a href=\"https:\/\/www.analog.com\/en\/resources\/technical-articles\/accurate-pwm-led-dimming.html\" target=\"_blank\" rel=\"noopener\">\uae30\uc220 \ubb38\uc11c<\/a>\ub294 \uc544\ub0a0\ub85c\uadf8 \uc870\uad11\uc774 10:1 \ubc1d\uae30 \ubc94\uc704\uc5d0\uc11c \uc774\ubbf8 \uc815\ud655\ub3c4\uac00 25% \uc774\uc0c1 \ub5a8\uc5b4\uc9c0\uace0 LED \uc0c9\ub3c4 \ud2c0\uc5b4\uc9c8 \uc218 \uc788\ub294 \ubc18\uba74, PWM\uc740 \ud6e8\uc52c \ub113\uc740 \uc870\uad11\ube44\ub97c \uc0c9 \ubcc0\ud654 \uc5c6\uc774 \ub0bc \uc218 \uc788\ub2e4\uace0 \uc124\uba85\ud569\ub2c8\ub2e4. TI\uc758 <a href=\"https:\/\/www.ti.com\/lit\/pdf\/slyt238\" target=\"_blank\" rel=\"noopener\">\uc751\uc6a9 \uc790\ub8cc<\/a>\uc5d0\ub294 \ub179\uc0c9 LED\ub97c \uc544\ub0a0\ub85c\uadf8\ub85c 25%\uae4c\uc9c0 \uc904\uc600\uc744 \ub54c \ud30c\uc7a5\uc774 525nm\uc5d0\uc11c 531nm\ub85c \uc774\ub3d9\ud55c \uc608\uac00 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>PWM\uc758 \uc57d\uc810.<\/strong> \uc774 \uae00\uc5d0\uc11c \uacc4\uc0b0\ud55c \ub300\ub85c <strong>\ud50c\ub9ac\ucee4<\/strong>\uc785\ub2c8\ub2e4. \ub610\ud55c DigiKey\uc758 <a href=\"https:\/\/www.digikey.com\/en\/articles\/led-color-shift-under-pwm-dimming\" target=\"_blank\" rel=\"noopener\">\uae30\uc220 \uae30\uc0ac<\/a>\ub294 PWM\ub3c4 \ub4c0\ud2f0\uc5d0 \ub530\ub77c \uc815\uc158 \uc628\ub3c4\uac00 \ub2ec\ub77c\uc838 \uc0c9\uc774 \uc870\uae08 \uc6c0\uc9c1\uc77c \uc218 \uc788\ub2e4\ub294 \uc5f0\uad6c\ub97c \uc18c\uac1c\ud569\ub2c8\ub2e4. &#8220;PWM\uc740 \uc0c9 \ubcc0\ud654\uac00 \uc804\ud600 \uc5c6\ub2e4&#8221;\ub294 \ub9d0\ub3c4 \uc815\ud655\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ud558\uc774\ube0c\ub9ac\ub4dc.<\/strong> \ud55c \ucc28\ub7c9\uc6a9 LED \uad6c\ub3d9 <a href=\"https:\/\/image-ppubs.uspto.gov\/dirsearch-public\/print\/downloadPdf\/11672063\" target=\"_blank\" rel=\"noopener\">\ud2b9\ud5c8<\/a>\ub294 \uc804\ub958\uac00 \ub192\uc740 \uad6c\uac04\uc5d0\uc11c\ub294 DC(\uc544\ub0a0\ub85c\uadf8) \uc870\uad11\uc744, \ub0ae\uc740 \uad6c\uac04\uc5d0\uc11c\ub294 PWM \uc870\uad11\uc744 \uc4f0\ub294 \ubc29\uc2dd\uc73c\ub85c \uc0c9 \ubcc0\ud654\ub97c \uc904\uc774\uba74\uc11c \uc870\uad11\ube44\ub97c \ud655\ubcf4\ud558\ub294 \uad6c\uc131\uc744 \uc124\uba85\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\ud83d\udca1 <strong>\uc6a9\ub3c4\ubcc4 \ucd94\ucc9c \ubc29\ud5a5 (\ud544\uc790 \ud310\ub2e8)<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uc0ac\ubb34\uc2e4\u00b7\ud559\uad50\u00b7\uc7a5\uc2dc\uac04 \uc791\uc5c5 \uacf5\uac04: \uc544\ub0a0\ub85c\uadf8 \uc870\uad11 \ub610\ub294 <strong>3kHz \uc774\uc0c1<\/strong> \uace0\uc8fc\ud30c PWM<\/li>\n\n\n\n<li>\uce74\uba54\ub77c \ucd2c\uc601, \uba38\uc2e0\ube44\uc804 \uac80\uc0ac: <strong>\uc544\ub0a0\ub85c\uadf8 \uc870\uad11<\/strong>\uc744 \uc6b0\uc120 \uac80\ud1a0, PWM\uc774\uba74 \uce74\uba54\ub77c\uc640 \ub3d9\uae30\ud654<\/li>\n\n\n\n<li>\uc0c9 \uc815\ud655\ub3c4\uac00 \uc911\uc694\ud55c \uc870\uba85(\ub514\uc2a4\ud50c\ub808\uc774 \ubc31\ub77c\uc774\ud2b8 \ub4f1): \uace0\uc8fc\ud30c PWM \ub610\ub294 \ud558\uc774\ube0c\ub9ac\ub4dc<\/li>\n\n\n\n<li>\uc800\uc870\ub3c4\uae4c\uc9c0 \ubd80\ub4dc\ub7fd\uac8c \uc904\uc5ec\uc57c \ud558\ub294 \uc870\uba85: \ud558\uc774\ube0c\ub9ac\ub4dc \uac80\ud1a0<\/li>\n<\/ul>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E2%9D%93_%EC%9E%90%EC%A3%BC_%ED%95%98%EB%8A%94_%EC%98%A4%ED%95%B4_3%EA%B0%80%EC%A7%80\"><\/span>\u2753 \uc790\uc8fc \ud558\ub294 \uc624\ud574 3\uac00\uc9c0<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>\uc624\ud574 1. &#8220;\ub208\uc5d0 \uc548 \ubcf4\uc774\uba74 \ud50c\ub9ac\ucee4\uac00 \uc5c6\ub294 \uac83\uc774\ub2e4&#8221;<\/strong> \u2192 \uac00\ub9cc\ud788 \ubcfc \ub54c \uc548 \ubcf4\uc774\ub294 \uac83\uacfc \uc601\ud5a5\uc774 \uc5c6\ub294 \uac83\uc740 \ub2e4\ub985\ub2c8\ub2e4. \uc2a4\ud2b8\ub85c\ubcf4 \ud6a8\uacfc, \ud32c\ud140 \uc5b4\ub808\uc774, \uce74\uba54\ub77c \uc904\ubb34\ub2ac\ub294 \uc218\ubc31 Hz \uc774\uc0c1\uc5d0\uc11c\ub3c4 \ub098\ud0c0\ub0a9\ub2c8\ub2e4. IEEE 1789\ub3c4 90Hz \uc774\uc0c1 \uad6c\uac04\uc5d0 \ubcc0\uc870 \uae4a\uc774 \uad8c\uace0\ub97c \ub530\ub85c \ub461\ub2c8\ub2e4.<\/p>\n<\/blockquote>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>\uc624\ud574 2. &#8220;\uc815\uc804\ub958 \ub4dc\ub77c\uc774\ubc84\uba74 \ud50c\ub9ac\ucee4\uac00 \uc5c6\ub2e4&#8221;<\/strong> \u2192 \uc815\uc804\ub958\ub294 <strong>\ud3c9\uade0 \uc804\ub958<\/strong>\ub97c \ub9de\ucd94\ub294 \uac83\uc785\ub2c8\ub2e4. 120Hz \ub9ac\ud50c\uc774 \ub0a8\uc544 \uc788\uc744 \uc218 \uc788\uace0, PWM\uc73c\ub85c \uc870\uad11\ud558\uba74 \uc815\uc804\ub958 \ub4dc\ub77c\uc774\ubc84\ub77c\ub3c4 100% \ubcc0\uc870\uac00 \ub429\ub2c8\ub2e4. \ub370\uc774\ud130\uc2dc\ud2b8\uc5d0\uc11c <strong>\ub9ac\ud50c \uc804\ub958\uc640 \uc870\uad11 \ubc29\uc2dd<\/strong>\uc744 \ub530\ub85c \ud655\uc778\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<\/blockquote>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>\uc624\ud574 3. &#8220;\uc131\uc801\uc11c\uc5d0 \ud50c\ub9ac\ucee4 \ud569\uaca9\uc774\uba74 \uc870\uad11\ud574\ub3c4 \uad1c\ucc2e\ub2e4&#8221;<\/strong> \u2192 EU \uaddc\uc815\uc758 PstLM\u00b7SVM \ud55c\uacc4\ub294 \uc804\ubd80\ud558 \uae30\uc900\uc785\ub2c8\ub2e4. PWM \uc870\uad11 \uc81c\ud488\uc740 100%\uc5d0\uc11c \ud569\uaca9\ud574\ub3c4 <strong>\uc870\uad11 \uc0c1\ud0dc\uc5d0\uc11c\ub294 \ub2e4\ub978 \uacb0\uacfc<\/strong>\uac00 \ub098\uc62c \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc870\uad11\ud574\uc11c \uc4f8 \uc81c\ud488\uc774\ub77c\uba74 \uc870\uad11 \uc0c1\ud0dc\uc758 \uce21\uc815\uac12\uc744 \uc694\uccad\ud558\uc138\uc694.<\/p>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E2%9C%85_%ED%95%9C%EB%88%88%EC%97%90_%EC%A0%95%EB%A6%AC\"><\/span>\u2705 \ud55c\ub208\uc5d0 \uc815\ub9ac<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\ud56d\ubaa9<\/th><th>\ud575\uc2ec \ub0b4\uc6a9<\/th><\/tr><\/thead><tbody><tr><td>\ud37c\uc13c\ud2b8 \ud50c\ub9ac\ucee4<\/td><td>(\ucd5c\ub300 \u2212 \ucd5c\uc18c) \u00f7 (\ucd5c\ub300 + \ucd5c\uc18c) \u00d7 100<\/td><\/tr><tr><td>\ud50c\ub9ac\ucee4 \uc778\ub371\uc2a4<\/td><td>\ud3c9\uade0\uc120 \uc704 \uba74\uc801 \u00f7 \uc804\uccb4 \uba74\uc801. PWM\uc774\uba74 1 \u2212 \ub4c0\ud2f0<\/td><\/tr><tr><td>\ub9ac\ud50c \ud50c\ub9ac\ucee4<\/td><td>\ud55c\uad6d\uc740 120Hz. \ub9ac\ud50c p-p 20%\uba74 \uc57d 10%<\/td><\/tr><tr><td>PWM \ud50c\ub9ac\ucee4<\/td><td>\uc870\uad11\ud558\ub294 \uc21c\uac04 100%. \uc5b4\ub461\uac8c \ud560\uc218\ub85d FI \uc545\ud654<\/td><\/tr><tr><td>IEEE 1789 \uc800\uc704\ud5d8<\/td><td>90~1,250Hz\uc5d0\uc11c Mod% &lt; 0.08 \u00d7 f<\/td><\/tr><tr><td>IEEE 1789 NOEL<\/td><td>90Hz \uc774\uc0c1\uc5d0\uc11c Mod% &lt; 0.0333 \u00d7 f<\/td><\/tr><tr><td>PWM \uad8c\uc7a5 \uc8fc\ud30c\uc218<\/td><td>\uc800\uc704\ud5d8 1,250Hz \ucd08\uacfc, NOEL \uc57d 3,000Hz \uc774\uc0c1<\/td><\/tr><tr><td>120Hz \ub9ac\ud50c \uad8c\uc7a5<\/td><td>\uc800\uc704\ud5d8 9.6% \ubbf8\ub9cc, NOEL 4% \ubbf8\ub9cc<\/td><\/tr><tr><td>EU 2019\/2020<\/td><td>PstLM \u2264 1.0, SVM \u2264 0.4 (\uc804\ubd80\ud558 \uae30\uc900)<\/td><\/tr><tr><td>\uce74\uba54\ub77c \uc904\ubb34\ub2ac<\/td><td>\ub178\ucd9c \uc2dc\uac04\uc744 \uad11\uc6d0 \uc8fc\uae30 \uc815\uc218\ubc30\ub85c. \uac80\uc0ac \uc870\uba85\uc740 \uc544\ub0a0\ub85c\uadf8 \uc870\uad11 \uc6b0\uc120<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%F0%9F%8E%AF_%EC%98%A4%EB%8A%98_%EB%B0%94%EB%A1%9C_%ED%99%95%EC%9D%B8%ED%95%B4%EB%B3%BC_%EA%B2%83\"><\/span>\ud83c\udfaf \uc624\ub298 \ubc14\ub85c \ud655\uc778\ud574\ubcfc \uac83<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\uc4f0\uace0 \uc788\ub294 \uc870\uba85\uc744 **\uc2a4\ub9c8\ud2b8\ud3f0 \uce74\uba54\ub77c(\uac00\ub2a5\ud558\uba74 \uc154\ud130 \uc18d\ub3c4\ub97c \ube60\ub974\uac8c \uc124\uc815\ud560 \uc218 \uc788\ub294 \ud504\ub85c \ubaa8\ub4dc)**\ub85c \ube44\ucdb0\ubcf4\uc138\uc694. \uc870\uad11 \uc804\ud6c4\ub85c \uc904\ubb34\ub2ac\uac00 \uc0dd\uae30\ub294\uc9c0 \ube44\uad50\ud558\uba74 PWM \uc5ec\ubd80\ub97c <strong>\uac04\uc774\ub85c<\/strong> \uc9d0\uc791\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc815\ub7c9 \ud310\uc815\uc740 \uc544\ub2c8\uba70, \uae30\uc885\uacfc \uc124\uc815\uc5d0 \ub530\ub77c \uacb0\uacfc\uac00 \ub2e4\ub985\ub2c8\ub2e4.<\/li>\n\n\n\n<li>LED \ub4dc\ub77c\uc774\ubc84 \ub370\uc774\ud130\uc2dc\ud2b8\uc5d0\uc11c **\ub9ac\ud50c \uc804\ub958(\ub610\ub294 \ub9ac\ud50c %)**\uc640 <strong>\uc870\uad11 \ubc29\uc2dd(PWM\/\uc544\ub0a0\ub85c\uadf8\/\ud558\uc774\ube0c\ub9ac\ub4dc), PWM \uc8fc\ud30c\uc218<\/strong>\ub97c \ucc3e\uc544\ubcf4\uc138\uc694. \uc801\ud600 \uc788\uc9c0 \uc54a\ub2e4\uba74 \uc81c\uc870\uc0ac\uc5d0 \ubb38\uc758\ud560 \ud56d\ubaa9\uc785\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uc870\uad11\ud574\uc11c \uc4f0\ub294 \uc81c\ud488\uc774\ub77c\uba74, \ud50c\ub9ac\ucee4 \uc131\uc801\uc11c\uac00 <strong>\uba87 % \ubc1d\uae30\uc5d0\uc11c \uce21\uc815\ud55c \uac12\uc778\uc9c0<\/strong> \ud655\uc778\ud558\uc138\uc694.<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%F0%9F%93%9A_%ED%95%A8%EA%BB%98_%EC%9D%BD%EC%9C%BC%EB%A9%B4_%EC%A2%8B%EC%9D%80_%EA%B8%80\"><\/span>\ud83d\udcda \ud568\uaed8 \uc77d\uc73c\uba74 \uc88b\uc740 \uae00<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ud83d\udd0c <a href=\"https:\/\/steelcrucian.com\/led-driver-constant-current\/\">LED \ub4dc\ub77c\uc774\ubc84 \uae30\ucd08 \u2013 \uc815\uc804\ub958 vs \uc815\uc804\uc555<\/a> \u2014 \ub9ac\ud50c\uc758 \ucd9c\ubc1c\uc810\uc778 \ub4dc\ub77c\uc774\ubc84 \uad6c\uc870\uc640 \uc804\ub958 \uc81c\uc5b4 \ubc29\uc2dd\uc744 \uba3c\uc800 \uc815\ub9ac\ud55c \uae00\uc785\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\ud83d\udccf <a href=\"https:\/\/steelcrucian.com\/light-meter-buying-guide\/\">\uc870\ub3c4\uacc4\u00b7\uceec\ub7ec\ubbf8\ud130 \uc120\ud0dd \uac00\uc774\ub4dc \u2013 \uba87\ub9cc \uc6d0\uacfc \uc218\ubc31\ub9cc \uc6d0, \ubb34\uc5c7\uc774 \ub2e4\ub97c\uae4c<\/a> \u2014 \uc77c\ubc18 \uc870\ub3c4\uacc4\ub294 \ud3c9\uade0 \ubc1d\uae30\ub97c \uc7ac\ub294 \uc7a5\ube44\ub77c, \ud50c\ub9ac\ucee4\ub97c \ubcf4\ub824\uba74 \uc5b4\ub5a4 \uc7a5\ube44 \uae30\uc900\uc774 \ub530\ub85c \ud544\uc694\ud55c\uc9c0 \ube44\uad50\ud574\ubcfc \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\ud83c\udfaf <a href=\"https:\/\/steelcrucian.com\/macadam-ellipse-led-binning\/\">\ub9e4\uce90\ub364 \ud0c0\uc6d0(MacAdam)\uacfc LED \ube44\ub2dd<\/a> \u2014 \uc544\ub0a0\ub85c\uadf8 \uc870\uad11\uc5d0\uc11c \uc0dd\uae30\ub294 \uc0c9 \ubcc0\ud654\ub97c \uc5b4\ub5a4 \ub2e8\uc704\ub85c \ud310\ub2e8\ud558\ub294\uc9c0 \ub2e4\ub8f9\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"wp-block-paragraph\">*\ub2e4\uc74c \uae00\uc5d0\uc11c\ub294 **\ud50c\ub9ac\ucee4 \uce21\uc815\uacfc \ud310\uc815 \uae30\uc900 (PstLM\u00b7SVM)*<em>\uc744 \ub2e4\ub8f9\ub2c8\ub2e4. \uc774 \uae00\uc5d0\uc11c \uc774\ub984\ub9cc \uc18c\uac1c\ud55c \ub450 \uc9c0\ud45c\uac00 \uc5b4\ub5bb\uac8c \uacc4\uc0b0\ub418\ub294\uc9c0, \uc5b4\ub5a4 \uc7a5\ube44\ub85c \uc7ac\uc57c \ud558\ub294\uc9c0 \uc815\ub9ac\ud558\uaca0\uc2b5\ub2c8\ub2e4.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\uc2a4\ub9c8\ud2b8\ud3f0 \uce74\uba54\ub77c\ub85c \uc0ac\ubb34\uc2e4 \ucc9c\uc7a5 \uc870\uba85\uc744 \ube44\ucd94\uba74 \ud654\uba74\uc5d0 \uac80\uc740 \uc904\ubb34\ub2ac\uac00 \uc704\uc544\ub798\ub85c \ud758\ub7ec\uac00\ub294 \uacbd\uc6b0\uac00 \uc788\uc2b5\ub2c8\ub2e4. \ub208\uc73c\ub85c \ubcf4\uba74 \uba40\uca61\ud558\uac8c \ucf1c\uc838 \uc788\ub294 \uc870\uba85\uc778\ub370 \ub9d0\uc785\ub2c8\ub2e4. \uac19\uc740 \uc870\uba85 \uc544\ub798\uc5d0\uc11c \uc624\ub798 \uc77c\ud558\uba74 \uc720\ub3c5 \ub208\uc774 \ud53c\uace4\ud558\ub2e4\ub294 \uc0ac\ub78c\ub3c4 \uc788\uc2b5\ub2c8\ub2e4. \ub450 \ud604\uc0c1 \ubaa8\ub450 \uc6d0\uc778\uc774 \uac19\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc870\uba85\uc774 \uc544\uc8fc \ube60\ub974\uac8c \ubc1d\uc544\uc84c\ub2e4 \uc5b4\ub450\uc6cc\uc84c\ub2e4\ub97c \ubc18\ubcf5\ud558\uace0 \uc788\ub294 \uac83\uc785\ub2c8\ub2e4. \uc774\uac83\uc744 **\ud50c\ub9ac\ucee4(Flicker)**\ub77c\uace0 \ubd80\ub985\ub2c8\ub2e4. LED \uc870\uba85\uc5d0\uc11c \ud50c\ub9ac\ucee4\ub294 \uc8fc\ub85c \ub450 \uacf3\uc5d0\uc11c \uc0dd\uae41\ub2c8\ub2e4.&hellip;&nbsp;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"","neve_meta_content_width":0,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","footnotes":"","jetpack_post_was_ever_published":false},"categories":[72],"tags":[936,927,934,937,938,933,935,932],"class_list":["post-2596","post","type-post","status-publish","format-standard","hentry","category-optics","tag-ieee1789","tag-led","tag-pwm","tag-938","tag-933","tag-935","tag-932"],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/steelcrucian.com\/wp-json\/wp\/v2\/posts\/2596","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/steelcrucian.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/steelcrucian.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/steelcrucian.com\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/steelcrucian.com\/wp-json\/wp\/v2\/comments?post=2596"}],"version-history":[{"count":1,"href":"https:\/\/steelcrucian.com\/wp-json\/wp\/v2\/posts\/2596\/revisions"}],"predecessor-version":[{"id":2602,"href":"https:\/\/steelcrucian.com\/wp-json\/wp\/v2\/posts\/2596\/revisions\/2602"}],"wp:attachment":[{"href":"https:\/\/steelcrucian.com\/wp-json\/wp\/v2\/media?parent=2596"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/steelcrucian.com\/wp-json\/wp\/v2\/categories?post=2596"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/steelcrucian.com\/wp-json\/wp\/v2\/tags?post=2596"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}