{"id":2467,"date":"2026-09-14T10:35:12","date_gmt":"2026-09-14T01:35:12","guid":{"rendered":"https:\/\/steelcrucian.com\/?p=2467"},"modified":"2026-09-14T10:35:13","modified_gmt":"2026-09-14T01:35:13","slug":"led-secondary-optics-design-guide","status":"publish","type":"post","link":"https:\/\/steelcrucian.com\/led-secondary-optics-design-guide\/","title":{"rendered":"\ud83d\udd26 2\ucc28 \ub80c\uc988(Secondary Optics) \uc124\uacc4 \uac1c\ub150 \u2013 \ub80c\uc988\ub97c \uc50c\uc6cc\ub3c4 \ube54\uac01\uc774 \uc548 \uc881\uc544\uc9c0\ub294 \uc774\uc720"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\uac19\uc740 LED \ubaa8\ub4c8, \uac19\uc740 3,000lm\uc778\ub370 \ud558\ub098\ub294 \uc2a4\ud3ec\ud2b8\ub77c\uc774\ud2b8\ucc98\ub7fc \uc881\uac8c \uc3d8\uace0 \ud558\ub098\ub294 \ubcbd \uc804\uccb4\ub97c \ubd80\ub4dc\ub7fd\uac8c \uc801\uc2ed\ub2c8\ub2e4. \ucc28\uc774\ub97c \ub9cc\ub4dc\ub294 \uac74 LED\uac00 \uc544\ub2c8\ub77c <strong>\uadf8 \uc704\uc5d0 \uc50c\uc6b4 \uc791\uc740 \ub80c\uc988 \ud558\ub098<\/strong>\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \ub80c\uc988\ub97c **2\ucc28 \uad11\ud559\uacc4(Secondary Optics)**\ub77c\uace0 \ubd80\ub985\ub2c8\ub2e4. \uc870\uba85 \uc124\uacc4\uc5d0\uc11c &#8220;\ube5b\uc758 \uc591&#8221;\uc740 LED\uac00 \uc815\ud558\uc9c0\ub9cc, <strong>&#8220;\ube5b\uc758 \ubaa8\uc591&#8221;\uc740 \uac70\uc758 \uc804\uc801\uc73c\ub85c 2\ucc28 \uad11\ud559\uacc4\uac00 \uc815\ud569\ub2c8\ub2e4.<\/strong><\/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 3\ub2e8\uacc4 <strong>\uad11\ud559 \ubd80\ud488 \uc124\uacc4<\/strong>\uc758 \ub124 \ubc88\uc9f8 \uae00\uc785\ub2c8\ub2e4. <a href=\"https:\/\/steelcrucian.com\/light-guide-plate-lgp-pattern-design\/\">\ub3c4\uad11\ud310<\/a>\uc774 \ube5b\uc744 \uba74\uc73c\ub85c \ud3bc\uce58\uace0 \ud655\uc0b0\ud310\uc774 \ud769\ub728\ub838\ub2e4\uba74, 2\ucc28 \uad11\ud559\uacc4\ub294 \ubc18\ub300\ub85c <strong>\ube5b\uc744 \uc6d0\ud558\ub294 \ubc29\ud5a5\uc73c\ub85c \ubaa8\uc74d\ub2c8\ub2e4.<\/strong> \uc55e\uc11c \ub2e4\ub8ec <a href=\"https:\/\/steelcrucian.com\/total-internal-reflection-critical-angle-guide\/\">\uc804\ubc18\uc0ac<\/a>\uc640 <a href=\"https:\/\/steelcrucian.com\/fresnel-reflection-transmittance\/\">\ud504\ub808\ub12c \ubc18\uc0ac<\/a>\uac00 \uc5ec\uae30\uc11c \ub3d9\uc2dc\uc5d0 \uc4f0\uc785\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_87_1 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-secondary-optics-design-guide\/#%F0%9F%94%B0_1%EC%B0%A8%EC%99%80_2%EC%B0%A8_%E2%80%93_%EB%AC%B4%EC%97%87%EC%9D%B4_%EB%8B%A4%EB%A5%B8%EA%B0%80\" >\ud83d\udd30 1\ucc28\uc640 2\ucc28 \u2013 \ubb34\uc5c7\uc774 \ub2e4\ub978\uac00<\/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-secondary-optics-design-guide\/#%F0%9F%A7%B1_2%EC%B0%A8_%EA%B4%91%ED%95%99%EA%B3%84%EC%9D%98_%EC%84%B8_%EA%B0%80%EC%A7%80_%ED%98%95%ED%83%9C\" >\ud83e\uddf1 2\ucc28 \uad11\ud559\uacc4\uc758 \uc138 \uac00\uc9c0 \ud615\ud0dc<\/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-secondary-optics-design-guide\/#%F0%9F%94%AC_TIR_%EB%A0%8C%EC%A6%88%EB%8A%94_%EC%96%B4%EB%96%BB%EA%B2%8C_%EC%9E%91%EB%8F%99%ED%95%98%EB%82%98\" >\ud83d\udd2c TIR \ub80c\uc988\ub294 \uc5b4\ub5bb\uac8c \uc791\ub3d9\ud558\ub098<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/steelcrucian.com\/led-secondary-optics-design-guide\/#%F0%9F%93%8F_%EC%97%90%ED%85%90%EB%93%80_%E2%80%93_%EC%84%A4%EA%B3%84%EB%A1%9C_%EB%84%98%EC%9D%84_%EC%88%98_%EC%97%86%EB%8A%94_%EB%B2%BD\" >\ud83d\udccf \uc5d0\ud150\ub4c0 \u2013 \uc124\uacc4\ub85c \ub118\uc744 \uc218 \uc5c6\ub294 \ubcbd<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/steelcrucian.com\/led-secondary-optics-design-guide\/#%F0%9F%92%A1_%EB%B9%94%EA%B0%81%EA%B3%BC_%EA%B4%91%EB%8F%84_%E2%80%93_%EB%AC%B4%EC%97%87%EC%9D%84_%EC%96%BB%EA%B3%A0_%EB%AC%B4%EC%97%87%EC%9D%84_%EC%9E%83%EB%8A%94%EA%B0%80\" >\ud83d\udca1 \ube54\uac01\uacfc \uad11\ub3c4 \u2013 \ubb34\uc5c7\uc744 \uc5bb\uace0 \ubb34\uc5c7\uc744 \uc783\ub294\uac00<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/steelcrucian.com\/led-secondary-optics-design-guide\/#%F0%9F%94%A2_%EA%B3%84%EB%A9%B4_%EC%86%90%EC%8B%A4%EB%8F%84_%EC%9E%8A%EC%A7%80_%EB%A7%88%EC%84%B8%EC%9A%94\" >\ud83d\udd22 \uacc4\uba74 \uc190\uc2e4\ub3c4 \uc78a\uc9c0 \ub9c8\uc138\uc694<\/a><\/li><\/ul><\/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-secondary-optics-design-guide\/#%F0%9F%9B%A0%EF%B8%8F_%EC%8B%A4%EB%AC%B4_%EC%84%A0%ED%83%9D_%EA%B8%B0%EC%A4%80\" >\ud83d\udee0\ufe0f \uc2e4\ubb34 \uc120\ud0dd \uae30\uc900<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/steelcrucian.com\/led-secondary-optics-design-guide\/#%EC%9E%AC%EC%A7%88_%EC%84%A0%ED%83%9D\" >\uc7ac\uc9c8 \uc120\ud0dd<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/steelcrucian.com\/led-secondary-optics-design-guide\/#%EC%A1%B0%EB%A6%BD_%EC%8B%9C_%ED%99%95%EC%9D%B8%ED%95%A0_%EA%B2%83\" >\uc870\ub9bd \uc2dc \ud655\uc778\ud560 \uac83<\/a><\/li><\/ul><\/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-secondary-optics-design-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-secondary-optics-design-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-secondary-optics-design-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-secondary-optics-design-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%94%B0_1%EC%B0%A8%EC%99%80_2%EC%B0%A8_%E2%80%93_%EB%AC%B4%EC%97%87%EC%9D%B4_%EB%8B%A4%EB%A5%B8%EA%B0%80\"><\/span>\ud83d\udd30 1\ucc28\uc640 2\ucc28 \u2013 \ubb34\uc5c7\uc774 \ub2e4\ub978\uac00<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=\"524\" src=\"https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/09\/secondary-optics-01-primary-vs-secondary-1024x524.png\" alt=\"\" class=\"wp-image-2468\" srcset=\"https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/09\/secondary-optics-01-primary-vs-secondary-1024x524.png 1024w, https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/09\/secondary-optics-01-primary-vs-secondary-300x154.png 300w, https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/09\/secondary-optics-01-primary-vs-secondary-767x393.png 767w, https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/09\/secondary-optics-01-primary-vs-secondary.png 1232w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">**1\ucc28 \uad11\ud559\uacc4(Primary Optics)**\ub294 LED \ud328\ud0a4\uc9c0 \uc548\uc5d0 \uc774\ubbf8 \ub4e4\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \uce69 \uc704\uc758 \ud615\uad11\uccb4\uce35, \uadf8 \uc704\ub97c \ub36e\uc740 \uc2e4\ub9ac\ucf58 \ub3d4\uc774 \uc5ec\uae30 \ud574\ub2f9\ud569\ub2c8\ub2e4. LED \uc81c\uc870\uc0ac\uac00 \ubd99\uc5ec\uc11c \ucd9c\ud558\ud558\ubbc0\ub85c <strong>\uc124\uacc4\uc790\uac00 \ubc14\uafc0 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1\ucc28 \uad11\ud559\uacc4\ub97c \uac70\uce5c \ube5b\uc740 \ub300\ubd80\ubd84 <strong>\ub7a8\ubc84\uc2dc\uc548(Lambertian) \ubc30\uad11<\/strong>\uc785\ub2c8\ub2e4. \ubc18\uad6c \uc804\uccb4\ub85c \ud37c\uc9c0\uace0, \uc815\uba74\uc774 \uac00\uc7a5 \ubc1d\uc73c\uba70 \uac01\ub3c4\uc5d0 \ub530\ub77c cos \ud568\uc218\ub85c \uc904\uc5b4\ub4dc\ub294 \ud615\ud0dc\uc785\ub2c8\ub2e4. \uc808\ubc18 \ubc1d\uae30\uac00 \ub418\ub294 \uac01\ub3c4(FWHM)\uac00 \uc57d 120\u00b0\ub77c &#8220;120\u00b0 \ubc30\uad11&#8221;\uc774\ub77c\uace0 \ubd80\ub985\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">**2\ucc28 \uad11\ud559\uacc4(Secondary Optics)**\ub294 \uadf8 \uc704\uc5d0 \uc124\uacc4\uc790\uac00 \ucd94\uac00\ud558\ub294 \ub80c\uc988\ub098 \ub9ac\ud50c\ub809\ud130\uc785\ub2c8\ub2e4. \ubaa9\uc801\uc740 \ud558\ub098\uc785\ub2c8\ub2e4. <strong>\ub113\uac8c \ud37c\uc9c4 \ube5b\uc744 \ud544\uc694\ud55c \uacf3\uc73c\ub85c \ubaa8\uc73c\ub294 \uac83.<\/strong><\/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>\uac00\uc7a5 \uc911\uc694\ud55c \uc804\uc81c\uc785\ub2c8\ub2e4.<\/strong> 2\ucc28 \uad11\ud559\uacc4\ub294 \ube5b\uc744 <strong>\ub9cc\ub4e4\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/strong> \uc774\ubbf8 \ub098\uc628 \ube5b\uc744 \uc7ac\ubc30\uce58\ud560 \ubfd0\uc774\uace0, \uadf8 \uacfc\uc815\uc5d0\uc11c \uc624\ud788\ub824 10~20%\ub97c \uc783\uc2b5\ub2c8\ub2e4. &#8220;\ub80c\uc988\ub97c \uc50c\uc6b0\uba74 \ubc1d\uc544\uc9c4\ub2e4&#8221;\ub294 \uac74 <strong>\ud2b9\uc815 \uc9c0\uc810\uc758 \uc870\ub3c4<\/strong>\uac00 \uc62c\ub77c\uac04\ub2e4\ub294 \ub73b\uc774\uc9c0, \ucd1d \uad11\uc18d\uc774 \ub298\uc5b4\ub098\ub294 \uac8c \uc544\ub2d9\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%A7%B1_2%EC%B0%A8_%EA%B4%91%ED%95%99%EA%B3%84%EC%9D%98_%EC%84%B8_%EA%B0%80%EC%A7%80_%ED%98%95%ED%83%9C\"><\/span>\ud83e\uddf1 2\ucc28 \uad11\ud559\uacc4\uc758 \uc138 \uac00\uc9c0 \ud615\ud0dc<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>\ubc29\uc2dd<\/th><th>\uc6d0\ub9ac<\/th><th>\ud6a8\uc728<\/th><th>\ud2b9\uc9d5<\/th><\/tr><\/thead><tbody><tr><td><strong>TIR \ub80c\uc988<\/strong><\/td><td>\uad74\uc808 + \uc804\ubc18\uc0ac<\/td><td>\ub192\uc74c (90% \uc774\uc0c1 \uc0ac\ub840)<\/td><td>\uc9c1\uc9c4\uad11\u00b7\uce21\uba74\uad11 \ubaa8\ub450 \uc81c\uc5b4, \uae00\ub808\uc5b4 \uac10\uc18c<\/td><\/tr><tr><td><strong>\ub9ac\ud50c\ub809\ud130<\/strong><\/td><td>\ubc18\uc0ac<\/td><td>\uc0c1\ub300\uc801\uc73c\ub85c \ub0ae\uc74c<\/td><td>\uc800\ub834, \uad6c\ud604 \uac04\ub2e8, \uc9c1\uc9c4\uad11 \uc81c\uc5b4 \ubd88\uac00<\/td><\/tr><tr><td><strong>\ub2e8\uc21c \ub80c\uc988<\/strong><\/td><td>\uad74\uc808\ub9cc<\/td><td>\uc911\uac04<\/td><td>\ud615\uc0c1 \ub2e8\uc21c, \ub113\uc740 \uac01\ub3c4 \uad11\uc120 \ub193\uce68<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">TIR \ub80c\uc988\uac00 \uc8fc\ub958\uc778 \uc774\uc720\ub294 \uad6c\uc870\uc5d0 \uc788\uc2b5\ub2c8\ub2e4. <strong>\ub9ac\ud50c\ub809\ud130\ub294 \uc606\uc73c\ub85c \ud37c\uc9c0\ub294 \ube5b\ub9cc \uad00\ub9ac\ud558\uace0 \uac00\uc6b4\ub370\ub85c \uace7\uc7a5 \ub098\uac00\ub294 \ube5b\uc740 \uc190\ub300\uc9c0 \ubabb\ud569\ub2c8\ub2e4.<\/strong> \ubc18\uba74 TIR \ub80c\uc988\ub294 \uc9c1\uc9c4\uad11\uacfc \ubc18\uc0ac\uad11\uc744 \ubaa8\ub450 \uc81c\uc5b4\ud569\ub2c8\ub2e4. \ub610 \uad11\uc6d0\uc774 \ub80c\uc988\uc5d0 \ub36e\uc5ec \uc788\uc5b4 LED \ud2b9\uc720\uc758 \ub208\ubd80\uc2ec\ub3c4 \uc904\uc5b4\ub4ed\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud55c \ubd80\ud488 \uacf5\uae09\uc0ac \uc790\ub8cc\ub294 \uad11\ud559\uae09 PMMA \ub80c\uc988\uac00 \uc57d 90%\uc758 \ud6a8\uc728\uc744 \ub0b8\ub2e4\uace0 \uc124\uba85\ud558\uace0, \uc2e4\ub9ac\ucf58 TIR \ub80c\uc988 \uc81c\uc870\uc0ac\ub294 \uc2dc\ubbac\ub808\uc774\uc158 \uae30\uc900 85~89%, \uc2e4\uce21\uc5d0\uc11c \ucd5c\ub300 89~91%\ub97c \ubcf4\uace0\ud569\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%94%AC_TIR_%EB%A0%8C%EC%A6%88%EB%8A%94_%EC%96%B4%EB%96%BB%EA%B2%8C_%EC%9E%91%EB%8F%99%ED%95%98%EB%82%98\"><\/span>\ud83d\udd2c TIR \ub80c\uc988\ub294 \uc5b4\ub5bb\uac8c \uc791\ub3d9\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=\"672\" src=\"https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/09\/secondary-optics-02-etendue-limit-1024x672.png\" alt=\"\" class=\"wp-image-2469\" srcset=\"https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/09\/secondary-optics-02-etendue-limit-1024x672.png 1024w, https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/09\/secondary-optics-02-etendue-limit-300x197.png 300w, https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/09\/secondary-optics-02-etendue-limit-767x503.png 767w, https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/09\/secondary-optics-02-etendue-limit.png 1306w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">TIR \ub80c\uc988\ub294 \ud558\ub098\uc758 \ubd80\ud488\uc774\uc9c0\ub9cc <strong>\uc5ed\ud560\uc774 \ub2e4\ub978 \uc138 \uc601\uc5ed<\/strong>\uc73c\ub85c \ub098\ub269\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u2460 \uc911\uc559 \uad74\uc808\ubd80<\/strong> \u2014 LED \ubc14\ub85c \uc704\ub85c \uace7\uc7a5 \uc62c\ub77c\uac00\ub294 \ube5b\uc744 \ub2f4\ub2f9\ud569\ub2c8\ub2e4. \ub80c\uc988 \uc544\ub798 \uc624\ubaa9\ud55c \uacf5\ub3d9(cavity)\uc758 \uace1\uba74\uc5d0\uc11c \uad74\uc808\ub418\uc5b4 \ubc29\ud5a5\uc774 \ubaa8\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u2461 \uce21\uba74 TIR\ubd80<\/strong> \u2014 \uc606\uc73c\ub85c \ud06c\uac8c \ud37c\uc9c0\ub294 \ube5b\uc744 \ub2f4\ub2f9\ud569\ub2c8\ub2e4. \uc774 \ube5b\uc740 \ub80c\uc988 \uce21\ubcbd\uc5d0 \uc784\uacc4\uac01\ubcf4\ub2e4 \ud070 \uac01\ub3c4\ub85c \ubd80\ub52a\ud600 <strong>\uc804\ubc18\uc0ac<\/strong>\ub418\uace0, \uc704\ucabd\uc73c\ub85c \uaebe\uc785\ub2c8\ub2e4. \uae08\uc18d \ubc18\uc0ac\uba74\uc774 \uc5c6\ub294\ub370\ub3c4 \ubc18\uc0ac\ub418\ub294 \uc774\uc720\uc774\uace0, \ucf54\ud305 \uc5c6\uc774 \ub192\uc740 \ud6a8\uc728\uc774 \ub098\uc624\ub294 \ube44\uacb0\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\uc7ac\uc9c8<\/th><th>\uad74\uc808\ub960<\/th><th>\uc784\uacc4\uac01<\/th><\/tr><\/thead><tbody><tr><td>\uc2e4\ub9ac\ucf58<\/td><td>1.41<\/td><td>45.17\u00b0<\/td><\/tr><tr><td>PMMA<\/td><td>1.49<\/td><td>42.16\u00b0<\/td><\/tr><tr><td>PC<\/td><td>1.586<\/td><td>39.09\u00b0<\/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 \uc784\uacc4\uac01\uc740 <a href=\"https:\/\/steelcrucian.com\/total-internal-reflection-critical-angle-guide\/\">\uc804\ubc18\uc0ac \uae00<\/a>\uacfc \uac19\uc740 \uc2dd(\u03b8c = arcsin(1\/n))\uc73c\ub85c Python \uacc4\uc0b0\ud55c \uac12\uc785\ub2c8\ub2e4.<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u2462 \ucd9c\uc0ac\uba74<\/strong> \u2014 \ucd5c\uc885 \ube54 \ud615\uc0c1\uc744 \uacb0\uc815\ud569\ub2c8\ub2e4. \uc774 \uba74\uc744 \ub9e4\ub048\ud558\uac8c \ub450\uba74 \uc881\uace0 \uc120\uba85\ud55c \ube54\uc774, \ubbf8\uc138 \uc694\ucca0\uc744 \uc8fc\uba74 \ubd80\ub4dc\ub7fd\uac8c \ud37c\uc9c4 \ube54\uc774 \ub098\uc635\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud55c \uad11\ud559 \uc5c5\uccb4 \uae30\uc220\uc790\ub8cc\uc5d0 \ub530\ub974\uba74 <strong>\ucf5c\ub9ac\uba54\uc774\ud130 \ucd9c\uc0ac\uad11\uc758 \uc57d 85%\uac00 \uc804\ubc18\uc0ac\ub85c \ub3d9\uc791\ud558\ub294 \uc8fc\ubcc0\ubd80\uc5d0\uc11c \ub098\uc635\ub2c8\ub2e4.<\/strong> TIR\ubd80\uac00 \uc131\ub2a5\uc744 \uc88c\uc6b0\ud558\ub294 \ud575\uc2ec\uc774\ub77c\ub294 \ub73b\uc785\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%8F_%EC%97%90%ED%85%90%EB%93%80_%E2%80%93_%EC%84%A4%EA%B3%84%EB%A1%9C_%EB%84%98%EC%9D%84_%EC%88%98_%EC%97%86%EB%8A%94_%EB%B2%BD\"><\/span>\ud83d\udccf \uc5d0\ud150\ub4c0 \u2013 \uc124\uacc4\ub85c \ub118\uc744 \uc218 \uc5c6\ub294 \ubcbd<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uc5ec\uae30\uc11c\ubd80\ud130\uac00 2\ucc28 \uad11\ud559\uacc4 \uc124\uacc4\uc758 \uc9c4\uc9dc \ud575\uc2ec\uc785\ub2c8\ub2e4. <strong>\ube54\uc744 \uc544\ubb34\ub9ac \uc881\ud788\uace0 \uc2f6\uc5b4\ub3c4 \ub118\uc744 \uc218 \uc5c6\ub294 \ubb3c\ub9ac\uc801 \ud55c\uacc4<\/strong>\uac00 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \ud55c\uacc4\ub97c <strong>\uc5d0\ud150\ub4c0(\u00c9tendue) \ubcf4\uc874 \ubc95\uce59<\/strong>\uc774\ub77c\uace0 \ud569\ub2c8\ub2e4. \uad11\ud559\uacc4\ub97c \uc9c0\ub098\ub3c4 &#8220;\uad11\uc6d0 \uba74\uc801 \u00d7 \uc785\uccb4\uac01&#8221;\uc758 \uacf1\uc740 \uc904\uc5b4\ub4e4\uc9c0 \uc54a\ub294\ub2e4\ub294 \uc6d0\ub9ac\uc785\ub2c8\ub2e4. \uacb0\uacfc\ub9cc \uc4f0\uba74 \uc774\ub807\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>sin \u03b8 = d \/ D\n\nd : \ubc1c\uad11\uba74 \uc9c0\ub984 (LES, Light Emitting Surface)\nD : \ub80c\uc988 \ucd9c\uc0ac \uad6c\uacbd\n\u03b8 : \ube54 \ubc18\uac01 (\ube54\uac01 = 2\u03b8)\n<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"609\" src=\"https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/09\/secondary-optics-03-tir-lens-anatomy-1024x609.png\" alt=\"\" class=\"wp-image-2470\" srcset=\"https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/09\/secondary-optics-03-tir-lens-anatomy-1024x609.png 1024w, https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/09\/secondary-optics-03-tir-lens-anatomy-300x178.png 300w, https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/09\/secondary-optics-03-tir-lens-anatomy-766x456.png 766w, https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/09\/secondary-optics-03-tir-lens-anatomy.png 1232w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \uc2dd\uc774 \uc2e4\ubb34\uc5d0 \uc8fc\ub294 \uba54\uc2dc\uc9c0\ub294 \ub2e8\uc21c\ud569\ub2c8\ub2e4. <strong>\uc881\uc740 \ube54\uc744 \uc6d0\ud558\uba74 \ub80c\uc988\ub97c \ud0a4\uc6b0\uac70\ub098 \ubc1c\uad11\uba74\uc774 \uc791\uc740 LED\ub97c \uc4f0\ub294 \uc218\ubc16\uc5d0 \uc5c6\uc2b5\ub2c8\ub2e4.<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\ubaa9\ud45c \ube54\uac01<\/th><th>LES 3mm\uc77c \ub54c \ud544\uc694 \uad6c\uacbd<\/th><th>LES 6mm\uc77c \ub54c \ud544\uc694 \uad6c\uacbd<\/th><\/tr><\/thead><tbody><tr><td>30\u00b0<\/td><td>11.6mm<\/td><td>23.2mm<\/td><\/tr><tr><td>20\u00b0<\/td><td>17.3mm<\/td><td>34.6mm<\/td><\/tr><tr><td>15\u00b0<\/td><td>23.0mm<\/td><td>46.0mm<\/td><\/tr><tr><td>10\u00b0<\/td><td>34.4mm<\/td><td>68.8mm<\/td><\/tr><tr><td>5\u00b0<\/td><td>68.8mm<\/td><td>137.6mm<\/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>\uc704 \uac12\uc740 \uc774\ub860\uc801 \ud558\ud55c\uc120\uc785\ub2c8\ub2e4.<\/strong> \uc2e4\uc81c \ub80c\uc988\ub294 \uc218\ucc28\uc640 \uc81c\uc870 \uacf5\ucc28 \ub54c\ubb38\uc5d0 \uc774\ubcf4\ub2e4 \ud07d\ub2c8\ub2e4. \ud45c\uc758 \uc22b\uc790\ubcf4\ub2e4 \uc791\uc740 \ub80c\uc988\ub85c \uadf8 \ube54\uac01\uc744 \uc57d\uc18d\ud558\ub294 \uc81c\ud488\uc774 \uc788\ub2e4\uba74, \ube54 \uc815\uc758 \ubc29\uc2dd(FWHM\uc778\uc9c0 10% \uae30\uc900\uc778\uc9c0)\uc744 \uba3c\uc800 \ud655\uc778\ud574\ubcf4\uc138\uc694.<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\uc5ec\uae30\uc11c \uc790\uc8fc \uacaa\ub294 \ud568\uc815\uc774 \ud558\ub098 \uc788\uc2b5\ub2c8\ub2e4. <strong>COB LED\ub294 \ubc1c\uad11\uba74\uc774 \ud06c\ub2e4<\/strong>\ub294 \uc810\uc785\ub2c8\ub2e4. \uc9c0\ub984 6~9mm\uae09 COB\ub294 \uac19\uc740 \ub80c\uc988\ub97c \uc368\ub3c4 \uc18c\ud615 SMD LED\ubcf4\ub2e4 \ube54\uc774 \ud6e8\uc52c \ub113\uac8c \ub098\uc635\ub2c8\ub2e4. LES 9mm\ub97c 50mm \ub80c\uc988\uc5d0 \ub123\uc73c\uba74 \uc774\ub860\uc0c1\uc73c\ub85c\ub3c4 20.7\u00b0\uac00 \ud55c\uacc4\uc785\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>\ub2e4\uc0c9 \uc870\uba85\uc5d0\uc11c\ub3c4 \uc774 \ubb38\uc81c\uac00 \ub098\ud0c0\ub0a9\ub2c8\ub2e4.<\/strong> \ud615\uad11\uccb4 \ubcc0\ud658 \ubc31\uc0c9 LED\ub294 \ud615\uad11\uccb4 \uba74\uc801\uc774 \uce69\ubcf4\ub2e4 \ucee4\uc11c, \uac19\uc740 \ub80c\uc988\ub97c \uc368\ub3c4 RGB LED\ubcf4\ub2e4 \ube54\uac01\uc774 \ub113\uc5b4\uc9d1\ub2c8\ub2e4. \uba40\ud2f0\uceec\ub7ec \uc870\uba85\uc5d0\uc11c \uc0c9\uae54\ub9c8\ub2e4 \ube54 \ud06c\uae30\uac00 \ub2ec\ub77c \ubcf4\uc774\ub294 \uc6d0\uc778 \uc911 \ud558\ub098\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%92%A1_%EB%B9%94%EA%B0%81%EA%B3%BC_%EA%B4%91%EB%8F%84_%E2%80%93_%EB%AC%B4%EC%97%87%EC%9D%84_%EC%96%BB%EA%B3%A0_%EB%AC%B4%EC%97%87%EC%9D%84_%EC%9E%83%EB%8A%94%EA%B0%80\"><\/span>\ud83d\udca1 \ube54\uac01\uacfc \uad11\ub3c4 \u2013 \ubb34\uc5c7\uc744 \uc5bb\uace0 \ubb34\uc5c7\uc744 \uc783\ub294\uac00<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ube54\uc744 \uc881\ud788\uba74 \uadf8 \ubc29\ud5a5\uc758 \uad11\ub3c4(cd)\uac00 \uc62c\ub77c\uac11\ub2c8\ub2e4. \uc5bc\ub9c8\ub098 \uc62c\ub77c\uac08\uae4c\uc694?<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"649\" src=\"https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/09\/secondary-optics-04-beam-intensity-1024x649.png\" alt=\"\" class=\"wp-image-2471\" srcset=\"https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/09\/secondary-optics-04-beam-intensity-1024x649.png 1024w, https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/09\/secondary-optics-04-beam-intensity-300x190.png 300w, https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/09\/secondary-optics-04-beam-intensity-767x486.png 767w, https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/09\/secondary-optics-04-beam-intensity.png 1306w\" 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>\ube54\uac01 (FWHM)<\/th><th>\uc785\uccb4\uac01<\/th><th>\uc911\uc2ec \uad11\ub3c4 (1,000lm \uae30\uc900)<\/th><\/tr><\/thead><tbody><tr><td>10\u00b0<\/td><td>0.024 sr<\/td><td>\uc57d 18,800 cd<\/td><\/tr><tr><td>15\u00b0<\/td><td>0.054 sr<\/td><td>\uc57d 8,400 cd<\/td><\/tr><tr><td>24\u00b0<\/td><td>0.137 sr<\/td><td>\uc57d 3,300 cd<\/td><\/tr><tr><td>36\u00b0<\/td><td>0.308 sr<\/td><td>\uc57d 1,500 cd<\/td><\/tr><tr><td>60\u00b0<\/td><td>0.842 sr<\/td><td>\uc57d 535 cd<\/td><\/tr><tr><td>120\u00b0<\/td><td>3.142 sr<\/td><td>\uc57d 143 cd<\/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>\uac00\uc0c1 \uacc4\uc0b0\uc785\ub2c8\ub2e4.<\/strong> 1,000lm \uc911 FWHM \uc6d0\ubfd4 \uc548\uc5d0 45%\uac00 \ub4e4\uc5b4\uac04\ub2e4\uace0 \uac00\uc815\ud588\uc2b5\ub2c8\ub2e4. \uc774 45%\ub294 \ud55c \uad11\ud559 \uc5c5\uccb4\uac00 \uc790\uc0ac \ucf5c\ub9ac\uba54\uc774\ud130 \uae30\uc900\uc73c\ub85c \uc81c\uc2dc\ud55c \uac12\uc73c\ub85c, <strong>\uc804\uccb4 \ubc30\uad11\uc740 \uc5b8\uc81c\ub098 FWHM\ubcf4\ub2e4 \ud6e8\uc52c \ub113\uac8c \ud37c\uc9c4\ub2e4<\/strong>\ub294 \uc810\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4. \uc2e4\uc81c \uac12\uc740 \ubc30\uad11 \ud615\uc0c1\uc5d0 \ub530\ub77c \ub2e4\ub985\ub2c8\ub2e4.<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">10\u00b0\uc640 120\u00b0\ub294 \uac19\uc740 \uad11\uc18d\uc778\ub370 \uc911\uc2ec \uad11\ub3c4\uac00 <strong>130\ubc30 \ub118\uac8c<\/strong> \ucc28\uc774 \ub0a9\ub2c8\ub2e4. \uc774 \ud45c\uc640 <a href=\"https:\/\/steelcrucian.com\/inverse-square-cosine-law-lighting\/\">\uc5ed\uc81c\uacf1\u00b7\ucf54\uc0ac\uc778 \ubc95\uce59<\/a>\uc744 \ud568\uaed8 \uc4f0\uba74, \ubaa9\ud45c \uac70\ub9ac\uc5d0\uc11c \ud544\uc694\ud55c \uc870\ub3c4\ub97c \uc5ed\uc0b0\ud574 \ube54\uac01\uc744 \uace0\ub97c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%F0%9F%94%A2_%EA%B3%84%EB%A9%B4_%EC%86%90%EC%8B%A4%EB%8F%84_%EC%9E%8A%EC%A7%80_%EB%A7%88%EC%84%B8%EC%9A%94\"><\/span>\ud83d\udd22 \uacc4\uba74 \uc190\uc2e4\ub3c4 \uc78a\uc9c0 \ub9c8\uc138\uc694<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">2\ucc28 \uad11\ud559\uacc4\ub97c \ucd94\uac00\ud558\uba74 \uacf5\uae30-\ub80c\uc988 \uacc4\uba74\uc774 \ub450 \uac1c \ub298\uc5b4\ub0a9\ub2c8\ub2e4. <a href=\"https:\/\/steelcrucian.com\/fresnel-reflection-transmittance\/\">\ud504\ub808\ub12c \ubc18\uc0ac<\/a>\uc5d0 \ub530\ub978 \uc190\uc2e4\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\uc7ac\uc9c8<\/th><th>\uba74\ub2f9 \ubc18\uc0ac<\/th><th>2\uacc4\uba74 \ud1b5\uacfc<\/th><\/tr><\/thead><tbody><tr><td>\uc2e4\ub9ac\ucf58 (n=1.41)<\/td><td>2.89%<\/td><td>94.37%<\/td><\/tr><tr><td>PMMA (n=1.49)<\/td><td>3.87%<\/td><td>92.54%<\/td><\/tr><tr><td>PC (n=1.586)<\/td><td>5.13%<\/td><td>90.23%<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\uc5ec\uae30\uc5d0 \ucee4\ubc84 \uae00\ub77c\uc2a4\ub098 \ud655\uc0b0\ud310\uae4c\uc9c0 \ub354\ud558\uba74 \uce35\ub9c8\ub2e4 \uacf1\ud574\uc9d1\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4 **TIR \ub80c\uc988 90% \u00d7 \ucee4\ubc84 92% = 82.8%**\uc785\ub2c8\ub2e4. \ud655\uc0b0\ud310 \uae00\uc5d0\uc11c \ub2e4\ub8ec \ub204\uc801 \uc190\uc2e4 \uacc4\uc0b0\uacfc \uac19\uc740 \ubc29\uc2dd\uc785\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%9B%A0%EF%B8%8F_%EC%8B%A4%EB%AC%B4_%EC%84%A0%ED%83%9D_%EA%B8%B0%EC%A4%80\"><\/span>\ud83d\udee0\ufe0f \uc2e4\ubb34 \uc120\ud0dd \uae30\uc900<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%EC%9E%AC%EC%A7%88_%EC%84%A0%ED%83%9D\"><\/span>\uc7ac\uc9c8 \uc120\ud0dd<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\uc7ac\uc9c8<\/th><th>\uc7a5\uc810<\/th><th>\uc8fc\uc758\uc810<\/th><\/tr><\/thead><tbody><tr><td><strong>PMMA<\/strong><\/td><td>\ud22c\uacfc\uc728 \ub192\uc74c, \uc800\ub834, \uac00\uacf5 \uc6a9\uc774<\/td><td>\ub0b4\uc5f4 \ud55c\uacc4, \ucde8\uc131<\/td><\/tr><tr><td><strong>PC<\/strong><\/td><td>\ub0b4\uc5f4\u00b7\ub0b4\ucda9\uaca9 \uc6b0\uc218<\/td><td>\ud22c\uacfc\uc728 \ub0ae\uc74c, \ud669\ubcc0 \uc704\ud5d8<\/td><\/tr><tr><td><strong>\uc2e4\ub9ac\ucf58<\/strong><\/td><td>\ub0b4\uc5f4\uc131 \ub9e4\uc6b0 \uc6b0\uc218, \uacc4\uba74 \uc190\uc2e4 \ucd5c\uc18c<\/td><td>\ub2e8\uac00 \ub192\uc74c, \uc784\uacc4\uac01\uc774 \ucee4\uc11c TIR \uc124\uacc4 \uc5ec\uc720 \uc801\uc74c<\/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 \ub80c\uc988\ub294 \uc5f4\uacfc \ube5b\uc5d0 \uc7a5\uae30\uac04 \ub178\ucd9c\ub418\uba74 <strong>\ud669\ubcc0\uc774 \uc9c4\ud589\ub418\uc5b4 \uc0c9\uc774 \ubcc0\ud558\uace0 \uae30\uad6c\ubcc4 \uc131\ub2a5 \ud3b8\ucc28\uac00 \uc0dd\uae41\ub2c8\ub2e4.<\/strong> \uace0\ucd9c\ub825\u00b7\uace0\uc628 \ud658\uacbd\uc77c\uc218\ub85d \uc7ac\uc9c8\uc758 \ub0b4\uc5f4 \ub4f1\uae09\uc744 \uba3c\uc800 \ud655\uc778\ud558\uc138\uc694.<\/p>\n<\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%EC%A1%B0%EB%A6%BD_%EC%8B%9C_%ED%99%95%EC%9D%B8%ED%95%A0_%EA%B2%83\"><\/span>\uc870\ub9bd \uc2dc \ud655\uc778\ud560 \uac83<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\uad11\ucd95 \uc815\ub82c<\/strong> : LED \uc911\uc2ec\uacfc \ub80c\uc988 \uc911\uc2ec\uc774 \uc5b4\uae0b\ub098\uba74 \ube54\uc774 \ud55c\ucabd\uc73c\ub85c \uae30\uc6b8\uace0 \uc0c9\ubd84\ub9ac\uac00 \uc0dd\uae41\ub2c8\ub2e4. \ub80c\uc988 \ud640\ub354\ub098 \ud540 \uc815\ub82c \uad6c\uc870\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>LED\uc640 \ub80c\uc988 \uacf5\ub3d9 \uc0ac\uc774 \uac04\uaca9<\/strong> : \uc124\uacc4\uac12\ubcf4\ub2e4 \ub728\uba74 \uce21\uba74 \ube5b\uc774 \uc0c8\uc5b4 \ud6a8\uc728\uc774 \ub5a8\uc5b4\uc9d1\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>LES \ud655\uc778<\/strong> : \ub370\uc774\ud130\uc2dc\ud2b8\uc5d0\uc11c \ubc1c\uad11\uba74 \ud06c\uae30\ub97c \uba3c\uc800 \ubcf4\uace0, \uc704 \uc5d0\ud150\ub4c0 \ud45c\ub85c \ubaa9\ud45c \ube54\uac01\uc774 \uac00\ub2a5\ud55c\uc9c0 \ud310\ub2e8\ud558\uc138\uc694.<\/li>\n\n\n\n<li><strong>\ub2e4\uc218 LED \ubc30\uc5f4<\/strong> : \ub80c\uc988 \uc5b4\ub808\uc774\ub97c \uc4f8 \ub54c\ub294 \uac1c\ubcc4 \ube54\uc774 \ubaa9\ud45c \uac70\ub9ac\uc5d0\uc11c \uacb9\uce58\ub294\uc9c0 \ud655\uc778\ud574\uc57c \ud569\ub2c8\ub2e4. \uc548 \uacb9\uce58\uba74 \uc5bc\ub8e9\uc774 \uc0dd\uae41\ub2c8\ub2e4.<\/li>\n<\/ul>\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;\ub80c\uc988\ub97c \uc50c\uc6b0\uba74 \ub354 \ubc1d\uc544\uc9c4\ub2e4&#8221;<\/strong> \u2192 \ucd1d \uad11\uc18d\uc740 \uc624\ud788\ub824 \uc904\uc5b4\ub4ed\ub2c8\ub2e4(\ud6a8\uc728 80~90%). \ub298\uc5b4\ub098\ub294 \uac74 <strong>\ud2b9\uc815 \ubc29\ud5a5\uc758 \uad11\ub3c4<\/strong>\ubfd0\uc785\ub2c8\ub2e4. \ubc29\uc744 \uc804\uccb4\uc801\uc73c\ub85c \ubc1d\ud788\ub294 \uac8c \ubaa9\uc801\uc774\ub77c\uba74 \ub80c\uc988\uac00 \uc624\ud788\ub824 \uc190\ud574\uc785\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;\ub80c\uc988\ub9cc \ubc14\uafb8\uba74 \uc5b4\ub5a4 \ube54\uac01\uc774\ub4e0 \ub9cc\ub4e4 \uc218 \uc788\ub2e4&#8221;<\/strong> \u2192 \uc5d0\ud150\ub4c0 \ud55c\uacc4 \ub54c\ubb38\uc5d0 \ubc1c\uad11\uba74 \ud06c\uae30\uac00 \ud558\ud55c\uc120\uc744 \uc815\ud569\ub2c8\ub2e4. LES 9mm COB\ub85c 5\u00b0 \ube54\uc744 \ub9cc\ub4e4\ub824\uba74 \uc774\ub860\uc0c1\uc73c\ub85c\ub3c4 \ub80c\uc988 \uad6c\uacbd\uc774 200mm\ub97c \ub118\uc5b4\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;\ube54\uac01 24\u00b0\uba74 \ube5b\uc774 24\u00b0 \uc548\uc5d0\ub9cc \uc788\ub2e4&#8221;<\/strong> \u2192 FWHM\uc740 <strong>\uc808\ubc18 \ubc1d\uae30\uac00 \ub418\ub294 \uac01\ub3c4<\/strong>\uc77c \ubfd0\uc785\ub2c8\ub2e4. \uadf8 \ubc14\uae65\uc5d0\ub3c4 \ube5b\uc740 \uacc4\uc18d \uc788\uc2b5\ub2c8\ub2e4. \uc55e\uc11c \ubcf8 \ub300\ub85c FWHM \uc6d0\ubfd4 \uc548\uc5d0 \ub4e4\uc5b4\uac00\ub294 \uad11\uc18d\uc740 \uc808\ubc18\ub3c4 \uc548 \ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc815\ud655\ud55c \ud310\ub2e8\uc740 <a href=\"https:\/\/steelcrucian.com\/led-light-distribution-curve-ies-file-guide\/\">IES \ud30c\uc77c\uacfc \ubc30\uad11\uace1\uc120<\/a>\uc744 \ubd10\uc57c \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=\"%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>1\ucc28 \uad11\ud559\uacc4<\/td><td>LED \ud328\ud0a4\uc9c0 \ub0b4\ubd80(\ud615\uad11\uccb4\u00b7\uc2e4\ub9ac\ucf58 \ub3d4). \ubcc0\uacbd \ubd88\uac00<\/td><\/tr><tr><td>2\ucc28 \uad11\ud559\uacc4<\/td><td>\uc124\uacc4\uc790\uac00 \ucd94\uac00\ud558\ub294 \ub80c\uc988\u00b7\ub9ac\ud50c\ub809\ud130<\/td><\/tr><tr><td>\uc5ed\ud560<\/td><td>\ube5b\uc744 \ub9cc\ub4e4\uc9c0 \uc54a\uace0 <strong>\ubc30\ubd84<\/strong>\ub9cc \ud55c\ub2e4<\/td><\/tr><tr><td>TIR \ub80c\uc988 \uad6c\uc870<\/td><td>\uc911\uc559 \uad74\uc808\ubd80 + \uce21\uba74 TIR\ubd80 + \ucd9c\uc0ac\uba74<\/td><\/tr><tr><td>\uc804\ubc18\uc0ac \uc870\uac74<\/td><td>PMMA 42.2\u00b0, PC 39.1\u00b0, \uc2e4\ub9ac\ucf58 45.2\u00b0<\/td><\/tr><tr><td>\uc5d0\ud150\ub4c0 \ud55c\uacc4<\/td><td>sin \u03b8 = d \/ D<\/td><\/tr><tr><td>\ube54 \uc881\ud788\ub294 \ubc95<\/td><td>\ub80c\uc988\ub97c \ud0a4\uc6b0\uac70\ub098 LES\uac00 \uc791\uc740 LED \uc0ac\uc6a9<\/td><\/tr><tr><td>\uad11\ub3c4 \ubcc0\ud654<\/td><td>\ube54\uac01 10\u00b0 vs 120\u00b0\uc5d0\uc11c 130\ubc30 \uc774\uc0c1 \ucc28\uc774<\/td><\/tr><tr><td>\ud6a8\uc728<\/td><td>TIR \ub80c\uc988 85~90%\ub300, \uacc4\uba74 \uc190\uc2e4\uc740 \uacf1\uc148<\/td><\/tr><tr><td>\uc870\ub9bd \ud575\uc2ec<\/td><td>\uad11\ucd95 \uc815\ub82c, LES \ud655\uc778, \uc5b4\ub808\uc774 \uc911\ucca9<\/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>\uac80\ud1a0 \uc911\uc778 LED \ub370\uc774\ud130\uc2dc\ud2b8\uc5d0\uc11c **LES(\ubc1c\uad11\uba74 \ud06c\uae30)**\ub97c \ucc3e\uc544\ubcf4\uc138\uc694. \ube54\uac01 \uc124\uacc4\uc758 \ucd9c\ubc1c\uc810\uc785\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\ubaa9\ud45c \ube54\uac01\uc744 \uc815\ud588\ub2e4\uba74 **D = d \/ sin(\ube54\uac01\/2)**\ub85c \ud544\uc694\ud55c \ucd5c\uc18c \ub80c\uc988 \uad6c\uacbd\uc744 \uacc4\uc0b0\ud574\ubcf4\uc138\uc694. \uae30\uad6c \uacf5\uac04\uc5d0 \ub4e4\uc5b4\uac00\ub294\uc9c0 \uba3c\uc800 \ud655\uc778\ud574\uc57c \ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\ud604\uc7ac \uad6c\uc131\uc758 <strong>\uad11\ud559 \ud6a8\uc728\uc744 \uce35\ubcc4\ub85c \uacf1\ud574\ubcf4\uc138\uc694.<\/strong> LED \uad11\uc18d \u00d7 \ub80c\uc988 \ud6a8\uc728 \u00d7 \ucee4\ubc84 \ud22c\uacfc\uc728\uc774 \uc2e4\uc81c\ub85c \ub098\uac00\ub294 \ube5b\uc785\ub2c8\ub2e4.<\/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>\ud83e\udea9 <a href=\"https:\/\/steelcrucian.com\/total-internal-reflection-critical-angle-guide\/\">\uc804\ubc18\uc0ac(TIR)\uc640 \uc784\uacc4\uac01 \uc644\ubcbd\uc815\ub9ac<\/a> \u2014 TIR \ub80c\uc988 \uc774\ub984\uc758 \uadfc\uac70. \uce21\ubcbd\uc5d0\uc11c \ube5b\uc774 \ubc18\uc0ac\ub418\ub294 \uc6d0\ub9ac \uadf8 \uc790\uccb4\uc785\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\ud83d\udcca <a href=\"https:\/\/steelcrucian.com\/led-light-distribution-curve-ies-file-guide\/\">LED \ubc30\uad11\uace1\uc120\uacfc IES \ud30c\uc77c \uc77d\ub294 \ubc95<\/a> \u2014 2\ucc28 \uad11\ud559\uacc4 \uc124\uacc4 \uacb0\uacfc\ub97c \uac80\uc99d\ud558\ub294 \ubc29\ubc95. \ube54\uac01 \uc22b\uc790\ub9cc\uc73c\ub85c \ud310\ub2e8\ud558\uba74 \uc548 \ub418\ub294 \uc774\uc720\uc785\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\ud83d\udca1 <a href=\"https:\/\/steelcrucian.com\/inverse-square-cosine-law-lighting\/\">\ucf54\uc0ac\uc778 \ubc95\uce59\/\uc5ed\uc81c\uacf1 \ubc95\uce59<\/a> \u2014 \ube54\uac01\uc744 \uc815\ud588\uc744 \ub54c \ubaa9\ud45c \uac70\ub9ac\uc5d0\uc11c \uc870\ub3c4\uac00 \uc5bc\ub9c8\ub098 \ub098\uc62c\uc9c0 \uacc4\uc0b0\ud569\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\"><em>3\ub2e8\uacc4 \uad11\ud559 \ubd80\ud488 \uc124\uacc4\ub294 \uc5ec\uae30\uae4c\uc9c0\uc785\ub2c8\ub2e4. \ub2e4\uc74c \uae00\ubd80\ud130\ub294 4\ub2e8\uacc4 <strong>\uce21\uc815\uacfc \uac80\uc99d<\/strong>\uc73c\ub85c \ub118\uc5b4\uac00, \uccab \ubc88\uc9f8\ub85c <strong>\uc801\ubd84\uad6c\uc640 \uc870\ub3c4\uacc4\u00b7\ud718\ub3c4\uacc4\uc758 \ucc28\uc774<\/strong>\ub97c \uc815\ub9ac\ud558\uaca0\uc2b5\ub2c8\ub2e4.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\uac19\uc740 LED \ubaa8\ub4c8, \uac19\uc740 3,000lm\uc778\ub370 \ud558\ub098\ub294 \uc2a4\ud3ec\ud2b8\ub77c\uc774\ud2b8\ucc98\ub7fc \uc881\uac8c \uc3d8\uace0 \ud558\ub098\ub294 \ubcbd \uc804\uccb4\ub97c \ubd80\ub4dc\ub7fd\uac8c \uc801\uc2ed\ub2c8\ub2e4. \ucc28\uc774\ub97c \ub9cc\ub4dc\ub294 \uac74 LED\uac00 \uc544\ub2c8\ub77c \uadf8 \uc704\uc5d0 \uc50c\uc6b4 \uc791\uc740 \ub80c\uc988 \ud558\ub098\uc785\ub2c8\ub2e4. \uc774 \ub80c\uc988\ub97c **2\ucc28 \uad11\ud559\uacc4(Secondary Optics)**\ub77c\uace0 \ubd80\ub985\ub2c8\ub2e4. \uc870\uba85 \uc124\uacc4\uc5d0\uc11c &#8220;\ube5b\uc758 \uc591&#8221;\uc740 LED\uac00 \uc815\ud558\uc9c0\ub9cc, &#8220;\ube5b\uc758 \ubaa8\uc591&#8221;\uc740 \uac70\uc758 \uc804\uc801\uc73c\ub85c 2\ucc28 \uad11\ud559\uacc4\uac00 \uc815\ud569\ub2c8\ub2e4. \ud83d\udca1 \uc774 \uae00\uc740 \uad11\ud559 \uc2dc\ub9ac\uc988 3\ub2e8\uacc4 \uad11\ud559 \ubd80\ud488 \uc124\uacc4\uc758 \ub124 \ubc88\uc9f8&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":[840,843,841,730,813,842,78,839],"class_list":["post-2467","post","type-post","status-publish","format-standard","hentry","category-optics","tag-840","tag-led","tag-tir","tag-730","tag-813","tag-842","tag-78","tag-839"],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/steelcrucian.com\/wp-json\/wp\/v2\/posts\/2467","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=2467"}],"version-history":[{"count":1,"href":"https:\/\/steelcrucian.com\/wp-json\/wp\/v2\/posts\/2467\/revisions"}],"predecessor-version":[{"id":2472,"href":"https:\/\/steelcrucian.com\/wp-json\/wp\/v2\/posts\/2467\/revisions\/2472"}],"wp:attachment":[{"href":"https:\/\/steelcrucian.com\/wp-json\/wp\/v2\/media?parent=2467"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/steelcrucian.com\/wp-json\/wp\/v2\/categories?post=2467"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/steelcrucian.com\/wp-json\/wp\/v2\/tags?post=2467"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}