{"id":12759,"date":"2023-08-29T07:34:54","date_gmt":"2023-08-29T07:34:54","guid":{"rendered":"https:\/\/www2.iled-lights.com\/?p=12759"},"modified":"2023-08-29T07:35:57","modified_gmt":"2023-08-29T07:35:57","slug":"why-is-the-life-of-led-lighting-so-long","status":"publish","type":"post","link":"https:\/\/www.iled-lights.com\/vi\/why-is-the-life-of-led-lighting-so-long-a44.html","title":{"rendered":"V\u00ec sao Tu\u1ed5i Th\u1ecd C\u1ee7a \u0110\u00e8n Chi\u1ebfu S\u00e1ng LED L\u1ea1i D\u00e0i L\u00e2u"},"content":{"rendered":"

C\u01a1 ch\u1ebf ph\u00e1t s\u00e1ng c\u1ee7a \u0111\u00e8n s\u1ee3i \u0111\u1ed1t l\u00e0 ph\u00e1t s\u00e1ng b\u1eb1ng n\u0103ng l\u01b0\u1ee3ng nhi\u1ec7t do\u94a8 (vonfram) n\u00f3ng l\u00ean, sau m\u1ed9t th\u1eddi gian d\u00e0i n\u00f3ng l\u00ean, vonfram s\u1ebd
\nB\u1ecb l\u00e3o h\u00f3a v\u00e0 th\u1eadm ch\u00ed b\u1ecb \u0111\u1ee9t \u1ede th\u1eddi \u0111i\u1ec3m n\u00e0y, v\u00f2ng \u0111\u1eddi c\u1ee7a \u0111\u00e8n s\u1ee3i \u0111\u1ed1t \u0111\u00e3 k\u1ebft th\u00fac, v\u00e0 c\u01a1 ch\u1ebf ph\u00e1t s\u00e1ng c\u1ee7a \u0111i-\u1ed1t ph\u00e1t s\u00e1ng \u0111i-\u1ed1t ph\u00e1t s\u00e1ng \u0111\u1eb7c bi\u1ec7t
\nC\u1ea5u tr\u00fac th\u00e0nh ph\u1ea7n \u0111\u01b0\u1ee3c quy\u1ebft \u0111\u1ecbnh, \u0111i-\u1ed1t ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c c\u1ea5u th\u00e0nh b\u1edfi c\u00e1c t\u1ea5m tinh th\u1ec3 PN, \u0111i\u1ec7n c\u1ef1c, v\u00e0 m\u1ed9t h\u1ec7 th\u1ed1ng quang h\u1ecdc tr\u00ean \u0111i\u1ec7n c\u1ef1c v\u1edbi thi\u00ean \u00e1p thu\u1eadn.<\/p>\n

\"B\u00f3ng
\nSau \u0111\u00f3, \u0111\u1ec3 c\u00e1c electron v\u00e0 l\u1ed7 tr\u1ed1ng \u0111\u01b0\u1ee3c ti\u00eam v\u00e0o c\u00e1c v\u00f9ng P v\u00e0 N, khi t\u00e1i k\u1ebft h\u1ee3p gi\u1eefa c\u00e1c h\u1ea1t mang thi\u1ec3u s\u1ed1 kh\u00f4ng c\u00e2n b\u1eb1ng v\u00e0 c\u00e1c h\u1ea1t mang \u0111a s\u1ed1, n\u0103ng l\u01b0\u1ee3ng d\u01b0 th\u1eeba s\u1ebd \u0111\u01b0\u1ee3c ph\u00e1t ra d\u01b0\u1edbi d\u1ea1ng photon th\u00e0nh n\u0103ng l\u01b0\u1ee3ng \u00e1nh s\u00e1ng. Qu\u00e1 tr\u00ecnh ph\u00e1t s\u00e1ng c\u1ee7a n\u00f3 bao g\u1ed3m ba ph\u1ea7n: ti\u00eam h\u1ea1t mang theo ph\u00e2n c\u1ef1c thu\u1eadn, k\u1ebft h\u1ee3p b\u1ee9c x\u1ea1 v\u00e0 chuy\u1ec3n giao n\u0103ng l\u01b0\u1ee3ng. \u0110i-\u1ed1t cho th\u1ea5y r\u1eb1ng b\u1eb1ng c\u00e1ch di chuy\u1ec3n li\u00ean t\u1ee5c c\u00e1c h\u1ea1t mang \u00e1nh s\u00e1ng, kh\u00f4ng c\u00f3 s\u1ef1 l\u00e3o h\u00f3a v\u00e0 ch\u00e1y
\nhi\u1ec7n t\u01b0\u1ee3ng t\u1eaft, c\u01a1 ch\u1ebf ph\u00e1t s\u00e1ng \u0111\u1eb7c bi\u1ec7t c\u1ee7a n\u00f3 quy\u1ebft \u0111\u1ecbnh th\u1eddi gian s\u1ed1ng ph\u00e1t quang l\u00ean t\u1edbi 5-10 tri\u1ec7u gi\u1edd.
\n\u0110\u1ed1i v\u1edbi \u0111\u00e8n LED, ch\u00fang ta ph\u1ea3i nh\u1eadn th\u1ee9c r\u1eb1ng kh\u00e1i ni\u1ec7m v\u1ec1 m\u1ed9t ho\u1eb7c nhi\u1ec1u LED tr\u1eafng l\u00e0m ngu\u1ed3n s\u00e1ng thi\u1ebft b\u1ecb chi\u1ebfu s\u00e1ng l\u00e0 kh\u00e1c nhau.<\/p>\n

\"B\u00f3ng
\nV\u1ec1 hi\u1ec7n t\u1ea1i, LED tr\u1eafng R D v\u00e0 s\u1ea3n xu\u1ea5t trong v\u00e0 ngo\u00e0i n\u01b0\u1edbc \u0111\u1ec1u c\u00f2n xa m\u1edbi \u0111\u1ea1t \u0111\u01b0\u1ee3c c\u00e1c y\u00eau c\u1ea7u c\u1ee7a ngu\u1ed3n s\u00e1ng. Ch\u00fang ta n\u00ean t\u1eadn d\u1ee5ng v\u00e0 ph\u00e1t huy l\u1ee3i th\u1ebf c\u1ee7a n\u01b0\u1edbc m\u00ecnh tr\u00ean th\u1ebf gi\u1edbi trong vi\u1ec7c \u1ee9ng d\u1ee5ng c\u00f4ng ngh\u1ec7 ti\u00ean ti\u1ebfn trong ph\u00e1t tri\u1ec3n c\u00e1c lo\u1ea1i \u0111\u00e8n hu\u1ef3nh quang nh\u1ecf g\u1ecdn \u0111a d\u1ea1ng, n\u1eafm b\u1eaft c\u01a1 h\u1ed9i, trong ph\u00e1t tri\u1ec3n ngu\u1ed3n s\u00e1ng b\u00e1n d\u1eabn m\u1edbi
\nT\u1ea1o s\u1ef1 kh\u00e1c bi\u1ec7t. \u0110\u00e8n LED tr\u1eafng nh\u01b0 ngu\u1ed3n s\u00e1ng chi\u1ebfu s\u00e1ng, m\u1ed9t s\u1ed1 v\u1ea5n \u0111\u1ec1 ch\u00ednh m\u00e0 \u0111\u00e8n hu\u1ef3nh quang nh\u1ecf g\u1ecdn \u0111\u00e3 ph\u1ea3i \u0111\u1ed1i m\u1eb7t \u0111\u00e3 \u0111\u01b0\u1ee3c gi\u1ea3i quy\u1ebft
\nHo\u1eb7c c\u00e1c v\u1ea5n \u0111\u1ec1 t\u01b0\u01a1ng t\u1ef1 \u0111ang \u0111\u01b0\u1ee3c gi\u1ea3i quy\u1ebft.
\n1. \u0110\u00e8n \u0111\u01b0\u1ee3c l\u1eafp trong m\u1ea1ch b\u1ed9 bi\u1ebfn \u0111\u1ed5i AC-DC ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi \u0111\u1eb7c t\u00ednh c\u1ee7a d\u00f2ng \u0111i\u1ec7n \u0111i\u1ec1u khi\u1ec3n LED.
\nNgu\u1ed3n \u0111i\u1ec7n n\u00e0y c\u1ea7n c\u00f3 d\u00f2ng \u0111i\u1ec7n thu\u1eadn cho LED g\u1ea7n nh\u01b0 \u0111i\u1ec7n \u00e1p d\u00f2ng ra kh\u00f4ng \u0111\u1ed5i, \u0111\u1ed3ng th\u1eddi ph\u1ea3i c\u00f3 t\u1ef7 l\u1ec7 chuy\u1ec3n \u0111\u1ed5i cao, nh\u1eb1m \u0111\u1ea3m b\u1ea3o ho\u1ea1t \u0111\u1ed9ng tin c\u1eady c\u1ee7a LED, an to\u00e0n,\u5f53\u7136, v\u00e0 c\u0169ng ph\u1ea3i l\u01b0u \u00fd \u0111\u1ebfn chi ph\u00ed.
\n2. \u0110\u1ed9 tin c\u1eady chi\u1ebfu s\u00e1ng LED
\nC\u00e1c y\u1ebfu t\u1ed1 ch\u00ednh \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 tin c\u1eady c\u1ee7a \u0111\u00e8n LED l\u00e0 c\u00e1c thi\u1ebft b\u1ecb v\u00e0 linh ki\u1ec7n \u0111i\u1ec7n. Ngu\u1ed3n s\u00e1ng LED \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng t\u1ea1i ph\u00e2n khu I v\u1edbi t\u01b0 c\u00e1ch l\u00e0 nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u1eb3ng c\u1ea5p th\u1ebf gi\u1edbi, c\u00e1c linh ki\u1ec7n \u0111i\u1ec7n ph\u1ee5 tr\u1ee3 ch\u00ednh l\u00e0 t\u1eeb c\u00e1c c\u00f4ng ty ch\u00e2u \u00c2u v\u00e0 M\u1ef9.
\n3. \u0110\u00e8n s\u01b0\u1edfi, kh\u1ea3 n\u0103ng d\u1eabn nhi\u1ec7t c\u1ee7a m\u1ed9t LED \u0111\u01a1n kh\u00f4ng c\u00f3 ngh\u0129a l\u00e0 \u0111\u00e3 gi\u1ea3i quy\u1ebft \u0111\u01b0\u1ee3c ngu\u1ed3n s\u00e1ng \u0111\u00e8n s\u01b0\u1edfi, c\u1ea7n ph\u1ea3i x\u1eed l\u00fd chip c\u00f4ng su\u1ea5t cao, k\u00edch th\u01b0\u1edbc l\u1edbn, \u0111\u1ed9 s\u00e1ng cao cho thi\u1ebft b\u1ecb LED v\u00e0 \u0111\u00e8n s\u01b0\u1edfi. Ph\u1ea7n I, \u0111\u00e8n LED c\u00f4ng su\u1ea5t cao v\u1edbi t\u1ea3n nhi\u1ec7t \u0111\u1ed9c quy\u1ec1n, s\u00e1ng t\u1ea1o b\u1eb1ng b\u1eb1ng s\u00e1ng ch\u1ebf.
\n4. T\u00ednh \u0111\u1ed3ng \u0111\u1ec1u m\u00e0u \u00e1nh s\u00e1ng v\u00e0 h\u1ec7 th\u1ed1ng quang h\u1ecdc
\n\u0110\u1eb7c \u0111i\u1ec3m c\u1ea5u tr\u00fac \u0111\u1eb7c bi\u1ec7t d\u1eabn \u0111\u1ebfn \u0111\u1eb7c \u0111i\u1ec3m chi\u1ebfu s\u00e1ng c\u1ee7a LED k\u00edch th\u01b0\u1edbc nh\u1ecf kh\u00e1c v\u1edbi b\u00f3ng \u0111\u00e8n s\u1ee3i \u0111\u1ed1t v\u00e0 \u0111\u00e8n hu\u1ef3nh quang, t\u1ed3n t\u1ea1i v\u1ea5n \u0111\u1ec1 kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u m\u00e0u tr\u1eafng \u00e1nh s\u00e1ng. Khi k\u1ebft h\u1ee3p th\u00e0nh h\u1ec7 th\u1ed1ng chi\u1ebfu s\u00e1ng, \u0111\u1ed9 \u0111\u1ed3ng \u0111\u1ec1u m\u00e0u \u00e1nh s\u00e1ng nh\u01b0 th\u1ebf n\u00e0o? S\u1ef1 ph\u00e2n b\u1ed1 \u00e1nh s\u00e1ng c\u1ee7a m\u1ed9t s\u1ed1 LED k\u1ebft h\u1ee3p th\u00e0nh ngu\u1ed3n th\u1ee9 c\u1ea5p v\u00e0 h\u1ec7 th\u1ed1ng quang h\u1ecdc chi\u1ebfu s\u00e1ng LED \u0111\u1ec3 \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u c\u1ee7a ngu\u1ed3n s\u00e1ng l\u00e0 m\u1ed9t h\u1ec7 th\u1ed1ng k\u1ef9 thu\u1eadt ph\u1ee9c t\u1ea1p, \u0111\u00e2y l\u00e0 \u0111i\u1ec1u c\u1ea7n \u0111\u01b0\u1ee3c xem x\u00e9t k\u1ef9 l\u01b0\u1ee1ng khi ra quy\u1ebft \u0111\u1ecbnh.<\/p>","protected":false},"excerpt":{"rendered":"

Incandescent light-emitting mechanism is energy light emitting tungsten heating, after quite a long time heating, tungsten will Aging and even blown At this point, it has ended the life of incandescent bulbs, and the mechanism of light-emitting diode light-emitting diode special The composition of the structure determined, diodes mainly by PN crystal plates, electrodes, and […]<\/p>\n","protected":false},"author":6,"featured_media":12760,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-12759","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\/12759","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=12759"}],"version-history":[{"count":1,"href":"https:\/\/www.iled-lights.com\/vi\/wp-json\/wp\/v2\/posts\/12759\/revisions"}],"predecessor-version":[{"id":12762,"href":"https:\/\/www.iled-lights.com\/vi\/wp-json\/wp\/v2\/posts\/12759\/revisions\/12762"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.iled-lights.com\/vi\/wp-json\/wp\/v2\/media\/12760"}],"wp:attachment":[{"href":"https:\/\/www.iled-lights.com\/vi\/wp-json\/wp\/v2\/media?parent=12759"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.iled-lights.com\/vi\/wp-json\/wp\/v2\/categories?post=12759"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.iled-lights.com\/vi\/wp-json\/wp\/v2\/tags?post=12759"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}