{"id":12578,"date":"2023-08-25T14:10:43","date_gmt":"2023-08-25T14:10:43","guid":{"rendered":"https:\/\/www2.iled-lights.com\/?p=12578"},"modified":"2023-08-25T14:11:06","modified_gmt":"2023-08-25T14:11:06","slug":"what-are-the-important-parameters-of-the-led-chips","status":"publish","type":"post","link":"https:\/\/www.iled-lights.com\/vi\/what-are-the-important-parameters-of-the-led-chips-a2.html","title":{"rendered":"C\u00e1c th\u00f4ng s\u1ed1 quan tr\u1ecdng c\u1ee7a chip LED l\u00e0 g\u00ec"},"content":{"rendered":"

Khi mua \u0111\u00e8n LED, m\u00e0n h\u00ecnh LED ho\u1eb7c b\u1ea5t k\u1ef3 thi\u1ebft b\u1ecb chi\u1ebfu s\u00e1ng LED n\u00e0o, \u0111\u1ea7u ti\u00ean ch\u00fang ta s\u1ebd ngh\u0129 \u0111\u1ebfn c\u00e1c th\u00f4ng s\u1ed1 quan tr\u1ecdng nh\u1ea5t c\u1ee7a chip LED \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng, v\u00e0 chip n\u00e0o t\u1ed1t, chip n\u00e0o x\u1ea5u? Ch\u00fang t\u00f4i li\u1ec7t k\u00ea c\u00e1c th\u00f4ng s\u1ed1 quan tr\u1ecdng c\u1ee7a chip LED \u0111\u1ec3 b\u1ea1n tham kh\u1ea3o:<\/p>\n

\"C\u1ea5u
C\u1ea5u tr\u00fac DIP so v\u1edbi SMD<\/figcaption><\/figure>\n

1. D\u00f2ng \u0111i\u1ec7n l\u00e0m vi\u1ec7c thu\u1eadn IF:<\/strong>
\n\u0110\u00e2y l\u00e0 gi\u00e1 tr\u1ecb d\u00f2ng \u0111i\u1ec7n thu\u1eadn c\u1ee7a \u0111i\u1ed1t ph\u00e1t quang khi ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng. Trong th\u1ef1c t\u1ebf, n\u00ean ch\u1ecdn IF d\u01b0\u1edbi 0,6 IFm.
\n2. \u0110i\u1ec7n \u00e1p l\u00e0m vi\u1ec7c thu\u1eadn VF:<\/strong>
\n\u0110i\u1ec7n \u00e1p ho\u1ea1t \u0111\u1ed9ng \u0111\u01b0\u1ee3c n\u00eau trong danh s\u00e1ch th\u00f4ng s\u1ed1 t\u1ea1i m\u1ed9t gi\u00e1 tr\u1ecb d\u00f2ng \u0111i\u1ec7n thu\u1eadn nh\u1ea5t \u0111\u1ecbnh. Th\u00f4ng th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111o t\u1ea1i IF = 20mA. \u0110i\u1ec7n \u00e1p thu\u1eadn c\u1ee7a \u0111i\u1ed1t ph\u00e1t quang VF l\u00e0 1,4 ~~ 3V. VF s\u1ebd gi\u1ea3m khi nhi\u1ec7t \u0111\u1ed9 b\u00ean ngo\u00e0i t\u0103ng.
\n3. \u0110\u1eb7c t\u00ednh V-I:<\/strong>
\nM\u1ed1i quan h\u1ec7 gi\u1eefa \u0111i\u1ec7n \u00e1p v\u00e0 d\u00f2ng \u0111i\u1ec7n c\u1ee7a \u0111i\u1ed1t ph\u00e1t quang: khi \u0111i\u1ec7n \u00e1p thu\u1eadn nh\u1ecf h\u01a1n m\u1ed9t gi\u00e1 tr\u1ecb nh\u1ea5t \u0111\u1ecbnh (g\u1ecdi l\u00e0 ng\u01b0\u1ee1ng), d\u00f2ng \u0111i\u1ec7n r\u1ea5t nh\u1ecf v\u00e0 kh\u00f4ng ph\u00e1t s\u00e1ng. Khi \u0111i\u1ec7n \u00e1p v\u01b0\u1ee3t qu\u00e1 m\u1ed9t gi\u00e1 tr\u1ecb nh\u1ea5t \u0111\u1ecbnh, d\u00f2ng \u0111i\u1ec7n thu\u1eadn t\u0103ng nhanh theo \u0111i\u1ec7n \u00e1p v\u00e0 \u0111i\u1ed1t ph\u00e1t s\u00e1ng.
\n4. \u0110\u1ed9 s\u00e1ng IV:<\/strong>
\n\u0110\u1ed9 s\u00e1ng c\u1ee7a \u0111\u00e8n LED ph\u00e1t quang th\u01b0\u1eddng ch\u1ec9 h\u01b0\u1edbng tuy\u1ebfn (\u0111\u1ed9 s\u00e1ng LED h\u00ecnh tr\u1ee5 tr\u00ean tr\u1ee5c c\u1ee7a n\u00f3). Trong h\u01b0\u1edbng ph\u00e1t x\u1ea1 c\u01b0\u1eddng \u0111\u1ed9 (1\/683) W \/ sr, \u0111\u1ed9 s\u00e1ng l\u00e0 m\u1ed9t candela (k\u00fd hi\u1ec7u cd). C\u01b0\u1eddng \u0111\u1ed9 th\u1ea5p c\u1ee7a \u0111\u00e8n LED ph\u00e1t quang th\u00f4ng th\u01b0\u1eddng, th\u01b0\u1eddng s\u1eed d\u1ee5ng \u0111\u01a1n v\u1ecb \u0111\u1ed9 s\u00e1ng n\u1ebfn (candela mcd).
\n5. G\u00f3c ph\u00e1t x\u1ea1 c\u1ee7a LED:<\/strong>
\n-90 \u00b0 90 \u00b0
\n6. \u0110\u1ed9 n\u1eeda r\u1ed9ng ph\u1ed5 \u0394 \u03bb:<\/strong>
\nCh\u1ec9 th\u1ecb \u0111\u1ed9 tinh khi\u1ebft ph\u1ed5 c\u1ee7a \u1ed1ng ph\u00e1t s\u00e1ng.
\n7. G\u00f3c n\u1eeda tr\u1ecb \u03b81 \/ 2 v\u00e0 g\u00f3c nh\u00ecn:<\/strong>
\n\u03b81 \/ 2 l\u00e0 g\u00f3c gi\u1eefa gi\u00e1 tr\u1ecb \u0111\u1ed9 s\u00e1ng m\u1ed9t n\u1eeda gi\u00e1 tr\u1ecb c\u01b0\u1eddng \u0111\u1ed9 tr\u1ee5c v\u00e0 h\u01b0\u1edbng c\u1ee7a tr\u1ee5c ph\u00e1t s\u00e1ng (ph\u00e1p tuy\u1ebfn).
\n8. D\u1ea1ng \u0111\u1ea7y \u0111\u1ee7:<\/strong>
\nG\u00f3c nh\u00ecn chuy\u1ec3n \u0111\u1ed5i g\u00f3c \u0111\u01a1n v\u1ecb th\u1ec3 t\u00edch ph\u00e1t s\u00e1ng c\u1ee7a LED, c\u0169ng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 g\u00f3c ph\u1eb3ng.
\n9. G\u00f3c nh\u00ecn:<\/strong>
\nCh\u1ec9 g\u00f3c \u0111\u1ed9 t\u1ed1i \u0111a c\u1ee7a \u00e1nh s\u00e1ng LED, theo c\u00e1c g\u00f3c nh\u00ecn kh\u00e1c nhau v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng kh\u00e1c nhau, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 g\u00f3c c\u01b0\u1eddng \u0111\u1ed9 s\u00e1ng.
\n10. N\u1eeda b\u1ec1 r\u1ed9ng:<\/strong>
\nG\u00f3c ph\u01b0\u01a1ng ph\u00e1p n\u1eb1m gi\u1eefa 0 \u00b0 v\u00e0 gi\u00e1 tr\u1ecb c\u01b0\u1eddng \u0111\u1ed9 ph\u00e1t s\u00e1ng t\u1ed1i \u0111a \/ 2. N\u00f3i m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c, \u0111\u00f3 l\u00e0 gi\u00e1 tr\u1ecb c\u01b0\u1eddng \u0111\u1ed9 ph\u00e1t s\u00e1ng t\u1ed1i \u0111a v\u00e0 c\u00e1c gi\u00e1 tr\u1ecb c\u01b0\u1eddng \u0111\u1ed9 ph\u00e1t s\u00e1ng t\u1ed1i \u0111a \/ 2 \u1ee9ng v\u1edbi g\u00f3c. C\u00f4ng ngh\u1ec7 \u0111\u00f3ng g\u00f3i LED d\u1eabn \u0111\u1ebfn vi\u1ec7c gi\u00e1 tr\u1ecb c\u01b0\u1eddng \u0111\u1ed9 kh\u00f4ng tu\u00e2n theo quy lu\u1eadt c\u1ee7a g\u00f3c ph\u00e1t s\u00e1ng t\u1ed1i \u0111a \u0111\u1ebfn 0 \u00b0, vi\u1ec7c \u0111\u01b0a ra g\u00f3c sai l\u1ec7ch \u0111\u1ec1 c\u1eadp \u0111\u1ebfn g\u00f3c nh\u00ecn v\u00e0 ph\u01b0\u01a1ng ph\u00e1p \u1ee9ng v\u1edbi c\u01b0\u1eddng \u0111\u1ed9 ph\u00e1t s\u00e1ng t\u1ed1i \u0111a n\u1eb1m gi\u1eefa 0 \u00b0.
\n11. D\u00f2ng \u0111i\u1ec7n m\u1ed9t chi\u1ec1u ph\u00eda tr\u01b0\u1edbc t\u1ed1i \u0111a IFm:<\/strong>
\nCho ph\u00e9p gi\u00e1 tr\u1ecb d\u00f2ng \u0111i\u1ec7n m\u1ed9t chi\u1ec1u (DC) d\u01b0\u01a1ng l\u1edbn nh\u1ea5t. Gi\u00e1 tr\u1ecb v\u01b0\u1ee3t qu\u00e1 m\u1ee9c n\u00e0y c\u00f3 th\u1ec3 l\u00e0m h\u1ecfng \u0111i\u1ed1t.
\n12. \u0110i\u1ec7n \u00e1p ng\u01b0\u1ee3c c\u1ef1c \u0111\u1ea1i VRm:<\/strong>
\n\u0110\u01b0\u1ee3c ph\u00e9p t\u0103ng \u0111i\u1ec7n \u00e1p ng\u01b0\u1ee3c ph\u00e2n h\u1ee7y c\u1ef1c \u0111\u1ea1i. V\u01b0\u1ee3t qu\u00e1 gi\u00e1 tr\u1ecb n\u00e0y, \u0111i\u1ed1t ph\u00e1t quang c\u00f3 th\u1ec3 b\u1ecb ph\u00e2n h\u1ee7y.
\n13. M\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c topm:<\/strong>
\nD\u1ea3i nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c cho \u0111i\u1ed1t ph\u00e1t quang. D\u01b0\u1edbi ho\u1eb7c tr\u00ean d\u1ea3i nhi\u1ec7t \u0111\u1ed9 n\u00e0y, \u0111i\u1ed1t ph\u00e1t quang s\u1ebd kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng, hi\u1ec7u su\u1ea5t gi\u1ea3m \u0111\u00e1ng k\u1ec3.
\n14. Cho ph\u00e9p c\u00f4ng su\u1ea5t PM:<\/strong>
\nCho ph\u00e9p th\u00eam LED \u1edf c\u1ea3 hai \u0111\u1ea7u c\u1ee7a \u0111i\u1ec7n \u00e1p DC d\u01b0\u01a1ng v\u00e0 d\u00f2ng ch\u1ea3y qua gi\u00e1 tr\u1ecb t\u1ed1i \u0111a c\u1ee7a s\u1ea3n ph\u1ea9m hi\u1ec7n. V\u01b0\u1ee3t qu\u00e1 gi\u00e1 tr\u1ecb n\u00e0y, LED s\u1ebd ph\u00e1t nhi\u1ec7t, h\u01b0 h\u1ea1i.<\/p>","protected":false},"excerpt":{"rendered":"

When we purchase LED lamps, LED display or any LED light fixtures, at first we will think about the most important of the LED chips used, and which chips are good, which are bad? We list the important parameters of the LED chips for your reference: 1. A forward operating current IF: It refers to […]<\/p>\n","protected":false},"author":6,"featured_media":12579,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-12578","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\/12578","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=12578"}],"version-history":[{"count":2,"href":"https:\/\/www.iled-lights.com\/vi\/wp-json\/wp\/v2\/posts\/12578\/revisions"}],"predecessor-version":[{"id":12582,"href":"https:\/\/www.iled-lights.com\/vi\/wp-json\/wp\/v2\/posts\/12578\/revisions\/12582"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.iled-lights.com\/vi\/wp-json\/wp\/v2\/media\/12579"}],"wp:attachment":[{"href":"https:\/\/www.iled-lights.com\/vi\/wp-json\/wp\/v2\/media?parent=12578"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.iled-lights.com\/vi\/wp-json\/wp\/v2\/categories?post=12578"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.iled-lights.com\/vi\/wp-json\/wp\/v2\/tags?post=12578"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}