{"id":12631,"date":"2023-08-26T05:44:53","date_gmt":"2023-08-26T05:44:53","guid":{"rendered":"https:\/\/www2.iled-lights.com\/?p=12631"},"modified":"2023-08-26T05:45:22","modified_gmt":"2023-08-26T05:45:22","slug":"what-is-luminous-efficiency-of-led-light-fixtures","status":"publish","type":"post","link":"https:\/\/www.iled-lights.com\/vi\/what-is-luminous-efficiency-of-led-light-fixtures-a28.html","title":{"rendered":"Hi\u1ec7u su\u1ea5t ph\u00e1t s\u00e1ng c\u1ee7a thi\u1ebft b\u1ecb chi\u1ebfu s\u00e1ng LED l\u00e0 g\u00ec"},"content":{"rendered":"

Hi\u1ec7u su\u1ea5t ph\u00e1t s\u00e1ng c\u1ee7a thi\u1ebft b\u1ecb chi\u1ebfu s\u00e1ng LED l\u00e0 g\u00ec?<\/strong><\/p>\n

C\u00e1c ch\u1ec9 ti\u00eau hi\u1ec7u qu\u1ea3 \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 ngu\u1ed3n s\u00e1ng, quang th\u00f4ng ph\u00e1t ra (lm) v\u00e0 t\u1ef7 l\u1ec7 c\u00f4ng su\u1ea5t \u0111\u1ea7u v\u00e0o cho ngu\u1ed3n s\u00e1ng (W). \u0110\u01a1n v\u1ecb l\u00e0 lm\/W.
\nHi\u1ec7u su\u1ea5t ph\u00e1t s\u00e1ng ch\u1ec9 n\u00f3i \u0111\u1ebfn hi\u1ec7u su\u1ea5t c\u1ee7a ngu\u1ed3n s\u00e1ng, kh\u00e1c v\u1edbi hi\u1ec7u su\u1ea5t t\u1ed5ng th\u1ec3 c\u1ee7a thi\u1ebft b\u1ecb chi\u1ebfu s\u00e1ng (hi\u1ec7u su\u1ea5t t\u1ed5ng th\u1ec3) khi ngu\u1ed3n s\u00e1ng \u0111\u01b0\u1ee3c g\u1eafn v\u00e0o.
\nHi\u1ec7u su\u1ea5t ph\u00e1t s\u00e1ng d\u00f9ng \u0111\u1ec3 ch\u1ec9 gi\u00e1 tr\u1ecb hi\u1ec7u su\u1ea5t l\u01b0\u1ee3ng t\u1eed ngo\u00e0i so v\u1edbi \u0111\u1ed9 nh\u1ea1y th\u1ecb gi\u00e1c (\u0111\u1ed9 nh\u1ea1y c\u1ee7a m\u1eaft con ng\u01b0\u1eddi \u0111\u1ed1i v\u1edbi \u00e1nh s\u00e1ng). Hi\u1ec7u su\u1ea5t l\u01b0\u1ee3ng t\u1eed ngo\u00e0i l\u00e0 t\u1ef7 l\u1ec7 gi\u1eefa s\u1ed1 photon ph\u00e1t ra t\u1eeb chip LED v\u00e0 b\u1ed9 \u0111\u00f3ng g\u00f3i ra b\u00ean ngo\u00e0i so v\u1edbi s\u1ed1 electron (d\u00f2ng \u0111i\u1ec7n) ch\u1ea3y qua LED. Hi\u1ec7u su\u1ea5t l\u01b0\u1ee3ng t\u1eed ngo\u00e0i c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong s\u1ef1 k\u1ebft h\u1ee3p c\u1ee7a chip LED xanh v\u00e0 phosphor c\u1ee7a LED tr\u1eafng, so v\u1edbi hi\u1ec7u su\u1ea5t l\u01b0\u1ee3ng t\u1eed b\u00ean trong (t\u1ef7 l\u1ec7 gi\u1eefa s\u1ed1 photon trong l\u1edbp ph\u00e1t s\u00e1ng c\u1ee7a chip LED v\u00e0 t\u1ed5ng s\u1ed1 electron (d\u00f2ng \u0111i\u1ec7n) ch\u1ea3y qua chip LED), hi\u1ec7u su\u1ea5t chi\u1ebft su\u1ea5t \u00e1nh s\u00e1ng c\u1ee7a chip (t\u1ef7 l\u1ec7 \u00e1nh s\u00e1ng ph\u00e1t ra \u0111\u01b0\u1ee3c \u0111\u01b0a ra b\u00ean ngo\u00e0i chip LED), hi\u1ec7u su\u1ea5t chuy\u1ec3n \u0111\u1ed5i c\u1ee7a phosphor (t\u1ef7 l\u1ec7 \u00e1nh s\u00e1ng chip ph\u00e1t ra \u0111\u01b0\u1ee3c phosphor chuy\u1ec3n \u0111\u1ed5i th\u00e0nh b\u01b0\u1edbc s\u00f3ng kh\u00e1c) v\u00e0 hi\u1ec7u su\u1ea5t chi\u1ebft su\u1ea5t \u00e1nh s\u00e1ng c\u1ee7a b\u1ed9 \u0111\u00f3ng g\u00f3i (\u00e1nh s\u00e1ng ph\u00e1t ra b\u1edfi LED v\u00e0 phosphor, t\u1ef7 l\u1ec7 \u00e1nh s\u00e1ng \u1edf b\u00ean ngo\u00e0i b\u1ed9 \u0111\u00f3ng g\u00f3i) c\u1ee7a s\u1ea3n ph\u1ea9m.<\/p>\n

\"\u0110\u01b0\u1eddng
\nTrong ph\u1ea7n photon \u0111\u01b0\u1ee3c t\u1ea1o ra trong l\u1edbp ph\u00e1t s\u00e1ng ho\u1eb7c trong chip LED b\u1ecb h\u1ea5p th\u1ee5, ho\u1eb7c ph\u1ea3n x\u1ea1 trong chip LED v\u00e0 kh\u00f4ng tho\u00e1t ra ngo\u00e0i. Do \u0111\u00f3, hi\u1ec7u su\u1ea5t l\u01b0\u1ee3ng t\u1eed ngo\u00e0i th\u1ea5p h\u01a1n hi\u1ec7u su\u1ea5t l\u01b0\u1ee3ng t\u1eed b\u00ean trong. \u0110\u1ed1i v\u1edbi LED tr\u1eafng c\u00f3 hi\u1ec7u su\u1ea5t ph\u00e1t s\u00e1ng 100lm\/W, c\u00f4ng su\u1ea5t \u0111\u1ea7u v\u00e0o ch\u1ec9 c\u00f3 32% \u00e1nh s\u00e1ng \u0111\u01b0\u1ee3c \u0111\u01b0a ra b\u00ean ngo\u00e0i. 68% c\u00f2n l\u1ea1i \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed5i th\u00e0nh nhi\u1ec7t.<\/p>","protected":false},"excerpt":{"rendered":"

What is Luminous efficiency of LED light fixtures? Efficient indicators of the evaluation of the light source, the light emitted luminous flux (lm), and the ratio of the power input to the light source (W). Units of lm \/ W. Luminous efficiency is only said that the efficiency of the light source, with the light […]<\/p>\n","protected":false},"author":6,"featured_media":12633,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-12631","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news-and-blog"],"acf":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.iled-lights.com\/vi\/wp-json\/wp\/v2\/posts\/12631","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.iled-lights.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.iled-lights.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.iled-lights.com\/vi\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.iled-lights.com\/vi\/wp-json\/wp\/v2\/comments?post=12631"}],"version-history":[{"count":1,"href":"https:\/\/www.iled-lights.com\/vi\/wp-json\/wp\/v2\/posts\/12631\/revisions"}],"predecessor-version":[{"id":12634,"href":"https:\/\/www.iled-lights.com\/vi\/wp-json\/wp\/v2\/posts\/12631\/revisions\/12634"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.iled-lights.com\/vi\/wp-json\/wp\/v2\/media\/12633"}],"wp:attachment":[{"href":"https:\/\/www.iled-lights.com\/vi\/wp-json\/wp\/v2\/media?parent=12631"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.iled-lights.com\/vi\/wp-json\/wp\/v2\/categories?post=12631"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.iled-lights.com\/vi\/wp-json\/wp\/v2\/tags?post=12631"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}