{"id":1638,"date":"2019-05-05T08:14:00","date_gmt":"2019-05-05T08:14:00","guid":{"rendered":"https:\/\/denled.sonqb.com\/?p=1638"},"modified":"2019-05-05T08:14:45","modified_gmt":"2019-05-05T08:14:45","slug":"kien-thuc-co-ban-ve-den-led-chieu-sang","status":"publish","type":"post","link":"https:\/\/htled.vn\/?p=1638","title":{"rendered":"Ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n v\u1ec1 \u0111\u00e8n led chi\u1ebfu s\u00e1ng"},"content":{"rendered":"<p>B\u00f3ng \u0111\u00e8n LED\u00a0\u0111\u01b0\u1ee3c coi l\u00e0 m\u1ed9t th\u1ebf h\u1ec7 c\u00f4ng ngh\u1ec7 chi\u1ebfu s\u00e1ng m\u1edbi. So v\u1edbi b\u00f3ng \u0111\u00e8n CFL v\u00e0 b\u00f3ng \u0111\u00e8n d\u00e2y t\u00f3c,\u00a0\u0111\u00e8n LED\u00a0c\u00f3 hi\u1ec7u qu\u1ea3 h\u01a1n l\u1ea7n l\u01b0\u1ee3t g\u1ea5p 4 l\u1ea7n v\u00e0 15 l\u1ea7n. So v\u1edbi b\u00f3ng \u0111\u00e8n hu\u1ef3nh quang, n\u00f3 ti\u00eau th\u1ee5 \u00edt n\u0103ng l\u01b0\u1ee3ng h\u01a1n v\u00e0 kh\u00f4ng ch\u1ee9a th\u1ee7y ng\u00e2n \u0111\u1ed9c h\u1ea1i. T\u1ea1i sao l\u1ea1i v\u1eady? H\u00e3y c\u0169ng\u00a0TLC Lighting\u00a0t\u00ecm hi\u1ec3u v\u1ec1 c\u00f4ng ngh\u1ec7 led chi\u1ebfu s\u00e1ng nh\u00e9!<\/p>\n<p>Th\u1eddi xa x\u01b0a, con ng\u01b0\u1eddi ph\u1ea3i s\u1eed d\u1ee5ng l\u1eeda \u0111\u1ec3 t\u1ea1o ra ngu\u1ed3n s\u00e1ng. T\u1eeb th\u1ebf k\u1ef7 19, ph\u01b0\u01a1ng ph\u00e1p d\u00f9ng \u0111\u00e8n kh\u00ed tr\u1edf n\u00ean ph\u1ed5 bi\u1ebfn v\u00e0 sau \u0111\u00f3 l\u00e0\u00a0b\u00f3ng \u0111\u00e8n d\u00e2y t\u00f3c\u00a0c\u1ee7a Thomas Edison. Ng\u00e0y nay, ch\u00fang ta c\u00f3 b\u00f3ng \u0111\u00e8n hu\u1ef3nh quang v\u00e0 \u0111\u00e8n hu\u1ef3nh quang compact (CFL). Nh\u1eefng c\u00f4ng ngh\u1ec7 n\u00e0y gi\u00fap nhi\u1ec1u ng\u01b0\u1eddi \u0111\u01b0\u1ee3c ti\u1ebfp c\u1eadn v\u1edbi \u00e1nh s\u00e1ng h\u01a1n, trong khi c\u00f3 th\u1ec3 ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng h\u01a1n so v\u1edbi tr\u01b0\u1edbc \u0111\u00e2y.<\/p>\n<h2>\u0110\u00e8n b\u00f3ng LED l\u00e0 g\u00ec?<\/h2>\n<p>LED (vi\u1ebft t\u1eaft c\u1ee7a Light Emitting Diode, c\u00f3 ngh\u0129a l\u00e0 diode ph\u00e1t quang), l\u00e0 c\u00e1c diod c\u00f3 kh\u1ea3 n\u0103ng ph\u00e1t ra \u00e1nh s\u00e1ng.<\/p>\n<p>Chip LED\u00a0\u0111\u01b0\u1ee3c c\u1ea5u t\u1ea1o t\u1eeb 1 kh\u1ed1i b\u00e1n d\u1eabn lo\u1ea1i p gh\u00e9p v\u1edbi m\u1ed9t kh\u1ed1i b\u00e1n d\u1eabn lo\u1ea1i n. Trong hai kh\u1ed1i b\u00e1n d\u1eabn, m\u1ed9t kh\u1ed1i ch\u1ee9a c\u00e1c \u0111i\u1ec7n t\u1eed \u0111i\u1ec7n t\u00edch \u00e2m (N) v\u00e0 kh\u1ed1i c\u00f2n l\u1ea1i mang nh\u1eefng l\u1ed7 tr\u1ed1ng \u0111i\u1ec7n t\u00edch d\u01b0\u01a1ng (P). Khi ch\u00fang g\u1eb7p nhau, c\u00e1c \u0111i\u1ec7n t\u00edch \u00e2m v\u00e0 d\u01b0\u01a1ng k\u1ebft h\u1ee3p v\u1edbi nhau, t\u1ea1o ra c\u00e1c electron gi\u1ea3i ph\u00f3ng n\u0103ng l\u01b0\u1ee3ng d\u01b0\u1edbi d\u1ea1ng l\u01b0\u1ee3ng t\u1eed \u00e1nh s\u00e1ng.<\/p>\n<p><img decoding=\"async\" class=\"aligncenter\" src=\"http:\/\/denled3.maugiaodien.com\/wp-content\/uploads\/2019\/05\/kien-thuc-co-ban-ve-den-led-chieu-sang-1638.jpg\" alt=\"chip-bong-den-led-sieu-sang\" \/>\u0110\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn t\u1eeb nh\u1eefng n\u0103m \u0111\u1ea7u c\u1ee7a th\u1ebf k\u1ef9 20 C\u00f4ng ngh\u1ec7\u00a0\u0111\u00e8n led chi\u1ebfu s\u00e1ng\u00a0ph\u00e1t tri\u1ec5n m\u1ea1nh m\u1ebd. D\u1ea7n tr\u1edf thay th\u1ebf c\u00e1c lo\u1ea1i \u0111\u00e8n truy\u1ec1n th\u1ed1ng nh\u01b0 tu\u00fdp \u0111\u00e8n hu\u1ef3nh quang \u0111\u00e8n s\u1ee3 \u0111\u1ed1t, \u0111\u00e8n compact. S\u1ef1 ra \u0111\u1eddi c\u1ee7a c\u00f4ng ngh\u1ec7 led \u0111\u01b0\u1ee3c xem l\u00e0 m\u1ed9t s\u1ef1 b\u1ee9c ph\u00e1 trong nghi\u00ean c\u1ee9u khoa h\u1ecdc v\u00e0 \u1ee9ng d\u1ee5ng cu\u1ed9c s\u1ed1ng.\u00a0\u00a0B\u1eaft \u0111\u1ea7u t\u1eeb nh\u1eefng diode ph\u00e1t s\u00e1ng \u0111\u1ea7u ti\u00ean v\u1edbi \u00e1nh s\u00e1ng y\u1ebfu v\u00e0 \u0111\u01a1n s\u1eafc \u0111\u1ebfn nh\u1eefng ngu\u1ed3n ph\u00e1t s\u00e1ng \u0111a s\u1eafc. C\u00f4ng su\u1ea5t l\u1edbn lu\u00f4n cho hi\u1ec7u qu\u1ea3 chi\u1ebfu s\u00e1ng cao,\u00a0nh\u01b0ng l\u1ea1i si\u00eau ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng.<\/p>\n<h2>C\u1ea5u t\u1ea1o c\u1ee7a \u0111\u00e8n LED<\/h2>\n<ul>\n<li>\n<h3><em>Ph\u1ea7n t\u1eed ph\u00e1t s\u00e1ng LED<\/em><\/h3>\n<\/li>\n<\/ul>\n<p>B\u1ea3n ch\u1ea5t c\u1ee7a LED l\u00e0 m\u1ed9t \u0111i-\u1ed1t, n\u00f3 ch\u1ee9a m\u1ed9t ch\u00edp b\u00e1n d\u1eabn c\u00f3 pha c\u00e1c t\u1ea1p ch\u1ea5t \u0111\u1ec3 t\u1ea1o ra m\u1ed9t ti\u1ebfp gi\u00e1p P-N, k\u00eanh P ch\u1ee9a l\u1ed7 tr\u1ed1ng, k\u00eanh N ch\u1ee9a \u0111i\u1ec7n t\u1eed, d\u00f2ng \u0111i\u1ec7n truy\u1ec1n t\u1eeb A-n\u1ed1t( k\u00eanh P) \u0111\u1ebfn K-t\u1ed1t (k\u00eanh N), khi \u0111i\u1ec7n t\u1eed l\u1ea5p \u0111\u1ea7y ch\u1ed7 tr\u1ed1ng n\u00f3 sinh ra b\u1ee9c x\u1ea1 \u00e1nh s\u00e1ng, c\u00e1c b\u01b0\u1edbc s\u00f3ng ph\u00e1t ra c\u00f3 m\u00e0u kh\u00e1c nhau t\u00f9y thu\u1ed9c v\u00e0o t\u1ea1p ch\u1ea5t trong ch\u00edp b\u00e1n d\u1eabn. LED ph\u00e2n th\u00e0nh ba lo\u1ea1i ch\u00ednh theo d\u1ea3i c\u00f4ng su\u1ea5t: c\u1ee1 nh\u1ecf, c\u1ee1 trung b\u00ecnh, c\u1ee1 l\u1edbn.<\/p>\n<ul>\n<li>\n<h3><em>\u00a0M\u1ea1ch in c\u1ee7a\u00a0b\u00f3ng \u0111\u00e8n led<\/em><\/h3>\n<\/li>\n<\/ul>\n<p>Ch\u1ea5t l\u01b0\u1ee3ng m\u1ea1ch in, ch\u1ea5t l\u01b0\u1ee3ng m\u1ed1i h\u00e0n gi\u1eefa LED v\u1edbi m\u1ea1ch in \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn l\u1edbn \u0111\u1ebfn \u0111\u1ed9 b\u1ec1n c\u1ee7a \u0111\u00e8n, trong \u0111i\u1ec1u ki\u1ec7n kh\u00ed h\u1eadu nhi\u1ec7t \u0111\u1edbi nh\u01b0 Vi\u1ec7t nam, n\u1ebfu ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a m\u1ea1ch in v\u00e0 m\u1ed1i h\u00e0n kh\u00f4ng t\u1ed1t d\u1ec5 g\u00e2y oxi-h\u00f3a \u0111\u1ee9t m\u1ea1ch in, kh\u00f4ng ti\u1ebfp x\u00fac l\u00e0m cho \u0111\u00e8n kh\u00f4ng th\u1ec3 ph\u00e1t s\u00e1ng sau m\u1ed9t th\u1eddi gian s\u1eed d\u1ee5ng. Trong th\u1ef1c t\u1ebf ng\u01b0\u1eddi ta c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng m\u1ea1ch in th\u01b0\u1eddng, ho\u1eb7c b\u1eb1ng nh\u00f4m, g\u1ed1m cho ph\u00e9p t\u1ea3n nhi\u1ec7t nhanh cho lo\u1ea1i \u0111\u00e8n LED c\u00f4ng su\u1ea5t trung b\u00ecnh v\u00e0 l\u1edbn.<\/p>\n<ul>\n<li>\n<h3><em>B\u1ed9 ngu\u1ed3n<\/em><\/h3>\n<\/li>\n<\/ul>\n<p>B\u1ed9 ngu\u1ed3n c\u1ea5p \u0111i\u1ec7n cho\u00a0b\u00f3ng LED si\u00eau s\u00e1ng\u00a0ph\u1ea3i \u0111\u1ea3m b\u1ea3o cung c\u1ea5p d\u00f2ng \u0111i\u1ec7n v\u00e0 \u0111i\u1ec7n \u00e1p \u1ed5n \u0111\u1ecbnh ph\u00f9 h\u1ee3p l\u1edbi lo\u1ea1i LED \u0111ang s\u1eed d\u1ee5ng c\u00e1c linh ki\u1ec7n ch\u1ebf t\u1ea1o b\u1ed9 ngu\u1ed3n ph\u1ea3i c\u00f3 tu\u1ed5i th\u1ecd s\u1eed d\u1ee5ng t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi tu\u1ed5i th\u1ecd c\u1ee7a LED.<\/p>\n<ul>\n<li>\n<h3><em>B\u1ed9 ph\u1eadn t\u1ea3n nhi\u1ec7t<\/em><\/h3>\n<\/li>\n<\/ul>\n<p>Ph\u1ea7n t\u1ea3n nhi\u1ec7t cho \u0111\u00e8n LED \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf nh\u1eb1m \u0111\u01b0a ph\u1ea7n tinh th\u1ec3 ph\u00e1t s\u00e1ng xu\u1ed1ng nhi\u1ec7t \u0111\u1ed9 th\u1ea5p nhanh nh\u1ea5t, b\u1ed9 ph\u1eadn n\u00e0y \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng khi thi\u1ebft k\u1ebf \u0111\u00e8n LED c\u00f4ng su\u1ea5t l\u1edbn, n\u1ebfu b\u1ed9 ph\u1eadn t\u1ea3n nhi\u1ec7t n\u00e0y c\u00f3 k\u1ebft c\u1ea5u kh\u00f4ng ph\u00f9 h\u1ee3p th\u00ec ph\u1ea7n t\u1eed LED s\u1ebd nhanh b\u1ecb gi\u00e0, hi\u1ec7u su\u1ea5t ph\u00e1t s\u00e1ng gi\u1ea3m \u0111i \u0111\u00e1ng k\u1ec3.<\/p>\n<ul>\n<li>\n<h3><em>V\u1ecf hay ch\u00f3a \u0111\u00e8n<\/em><\/h3>\n<\/li>\n<\/ul>\n<p>\u0110\u1ec3 \u0111\u1ea3m b\u1ea3o cho \u0111\u00e8n ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh v\u00e0 b\u1ec1n, v\u1ecf \u0111\u00e8n \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o \u0111\u1ec3 c\u00f3 \u0111\u1ed9 ch\u1ed1ng th\u1ea5m n\u01b0\u1edbc cao, \u0111\u1ed3ng th\u1eddi \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng t\u1ecfa nhi\u1ec7t nhanh ch\u00f3ng.<\/p>\n<h3>\u01afu \u0111i\u1ec3m c\u1ee7a b\u00f3ng \u0111\u00e8n LED chi\u1ebfu s\u00e1ng<\/h3>\n<ul>\n<li>Hi\u1ec7u qu\u1ea3: LED c\u00f3 hi\u1ec7u su\u1ea5t ph\u00e1t s\u00e1ng cao h\u01a1n b\u00f3ng s\u1ee3i \u0111\u1ed1t.<\/li>\n<li>M\u00e0u s\u1eafc: LED c\u00f3 th\u1ec3 ph\u00e1t ra m\u00e0u s\u1eafc nh\u01b0 \u00fd mu\u1ed1n m\u00e0 kh\u00f4ng c\u1ea7n b\u1ed9 l\u1ecdc m\u00e0u theo ph\u01b0\u01a1ng ph\u00e1p truy\u1ec1n th\u1ed1ng.<\/li>\n<li>K\u00edch th\u01b0\u1edbc: K\u00edch th\u01b0\u1edbc c\u1ee7a\u00a0b\u00f3ng LED si\u00eau s\u00e1ng\u00a0r\u1ea5t nh\u1ecf (c\u00f3 th\u1ec3 nh\u1ecf h\u01a1n 2 mm2) v\u00ec v\u1eady c\u00f3 th\u1ec3 b\u1ed1 tr\u00ed d\u1ec5 d\u00e0ng tr\u00ean m\u1ea1ch in.<\/li>\n<li>Th\u1eddi gian b\u1eadt t\u1eaft nhanh: Led c\u00f3 th\u1eddi gian b\u1eadt v\u00e0 t\u1eaft r\u1ea5t nhanh k\u1ec3 t\u1eeb l\u00fac c\u00f3 t\u00e1c \u0111\u1ed9ng (micro gi\u00e2y). \u0110i\u1ec1u n\u00e0y r\u1ea5t quan tr\u1ecdng trong th\u00f4ng tin li\u00eac l\u1ea1c, l\u0129nh v\u1ef1c y\u00eau c\u1ea7u c\u00f3 th\u1eddi gian \u0111\u00e1p \u1ee9ng nhanh.<\/li>\n<li>\u0110\u1ed9 s\u00e1ng t\u1ed1i: LED c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng \u0111i\u1ec1u khi\u1ec3n \u0111\u1ed9 s\u00e1ng t\u1ed1i b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec1u ch\u1ebf \u0111\u1ed9 r\u1ed9ng xung ho\u1eb7c t\u0103ng gi\u1ea3m d\u00f2ng \u0111i\u1ec7n t\u00e1c \u0111\u1ed9ng.<\/li>\n<li>Tu\u1ed5i th\u1ecd \u0111\u00e8n cao: \u0110\u00e2y l\u00e0 \u01b0u \u0111i\u1ec3m l\u1edbn nh\u1ea5t c\u1ee7a \u0111\u00e8n LED, tu\u1ed5i th\u1ecd c\u1ee7a \u0111\u00e8n LED v\u00e0o kho\u1ea3ng 35000 \u0111\u1ebfn 50000 gi\u1edd, l\u1edbn h\u01a1n nhi\u1ec1u l\u1ea7n so v\u1edbi b\u00f3ng hu\u1ef3nh quang v\u00e0 s\u1ee3i \u0111\u1ed1t.<\/li>\n<li>\u0110\u1ed9 b\u1ec1n cao: LED \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb v\u1eadt li\u1ec7u b\u00e1n d\u1eabn, n\u00ean r\u1ea5t kh\u00f3 b\u1ecb ph\u00e1 hu\u1ef7 b\u1edfi s\u1ef1 va \u0111\u1eadp.<\/li>\n<li>An to\u00e0n: LED kh\u00f4ng g\u00e2y \u0111\u1ed9c h\u1ea1i, kh\u00f4ng ph\u00e1t tia \u00e1ng g\u00e2y h\u1ea1i, th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng.<\/li>\n<\/ul>\n<p><img decoding=\"async\" class=\"aligncenter\" src=\"http:\/\/denled3.maugiaodien.com\/wp-content\/uploads\/2019\/05\/kien-thuc-co-ban-ve-den-led-chieu-sang-1638-1.jpg\" alt=\"bong-den-led-bup-sieu-sang\" \/><\/p>\n<h2>Nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a b\u00f3ng \u0111\u00e8n led chi\u1ebfu s\u00e1ng<\/h2>\n<p>Kh\u00f4ng ai c\u00f3 th\u1ec3 ph\u1ee7 nh\u1eadn \u01b0u \u0111i\u1ec3m v\u01b0\u1ee3t tr\u1ed9i c\u1ee7a\u00a0b\u00f3ng \u0111\u00e8n led. Kh\u00f4ng c\u00f3 g\u00ec l\u00e0 ho\u00e0n h\u1ea3o b\u00ean c\u1ea1nh \u01b0u \u0111i\u1ec3m th\u00ec b\u00f3ng \u0111en Led c\u0169ng c\u00f3 m\u1ed9t s\u1ed1 nh\u01b0\u1ee3c \u0111i\u1ec3m nh\u1ecf nh\u01b0 sau:<\/p>\n<p>Tr\u00ean c\u01a1 s\u1edf chi ph\u00ed \u0111\u1ea7u t\u01b0 ban \u0111\u1ea7u, b\u00f3ng \u0111\u00e8n Led hi\u1ec7n \u0111\u1eaft h\u01a1n, \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng gi\u00e1 m\u1ed7i lumen, so v\u1edbi c\u00f4ng ngh\u1ec7 chi\u1ebfu s\u00e1ng th\u00f4ng th\u01b0\u1eddng.\u00a0C\u00e1c chi ph\u00ed b\u1ed5 sung m\u1ed9t ph\u1ea7n xu\u1ea5t ph\u00e1t t\u1eeb s\u1ea3n l\u01b0\u1ee3ng lumen t\u01b0\u01a1ng \u0111\u1ed1i th\u1ea5p, k\u1ebft h\u1ee3p v\u1edbi chi ph\u00ed c\u1ee7a c\u00e1c \u1ed5 \u0111\u0129a m\u1ea1ch v\u00e0 ngu\u1ed3n cung c\u1ea5p c\u1ea7n thi\u1ebft.<\/p>\n<p>Nhi\u1ec1u ng\u01b0\u1eddi s\u1ebd ngh\u0129 r\u1eb1ng nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a \u0111\u00e8n Led ch\u1ec9 l\u00e0 gi\u00e1 th\u00e0nh cao h\u01a1n so v\u1edbi c\u00e1c lo\u1ea1i \u0111\u00e8n th\u00f4ng th\u01b0\u1eddng. Nh\u01b0ng th\u1ef1c ra, gi\u00e1 mua \u0111\u00e8n Led cao nh\u01b0ng khi t\u00ednh \u0111\u1ebfn l\u1ee3i \u00edch l\u00e2u d\u00e0i, l\u1ee3i \u00edch t\u1eeb vi\u1ec7c ti\u1ebft ki\u1ec7m \u0111i\u1ec7n, l\u1ee3i \u00edch t\u1eeb vi\u1ec7c kh\u00f4ng ph\u1ea3i thay b\u00f3ng th\u01b0\u1eddng xuy\u00ean th\u00ec t\u00ednh ra chi ph\u00ed cho\u00a0\u0111\u00e8n led th\u1eafp s\u00e1ng\u00a0c\u00f2n r\u1ebb h\u01a1n.<\/p>\n<p>Nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a \u0111\u00e8n Led l\u00e0\u00a0kho\u1ea3ng c\u00e1ch ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a c\u00e1c lo\u1ea1i \u0111\u00e8n Led tr\u00ean th\u1ecb tr\u01b0\u1eddng qu\u00e1 xa nhau. Ch\u00ednh nh\u01b0\u1ee3c \u0111i\u1ec3m n\u00e0y l\u00e0m cho nhi\u1ec1u ng\u01b0\u1eddi s\u1eed d\u1ee5ng\u00a0b\u00f3ng \u0111\u00e8n Led chi\u1ebfu s\u00e1ng\u00a0b\u1ecb nh\u1ea7m l\u1eabn v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a b\u00f3ng \u0111\u00e8n Led. Mua ph\u1ea3i c\u00e1c b\u1ed9 \u0111\u00e8n c\u00f3 chip Led k\u00e9m ch\u1ea5t l\u01b0\u1ee3ng, d\u1eabn \u0111\u1ebfn b\u00f3ng \u0111\u00e8n Led gi\u1ea3m \u0111\u1ed9 s\u00e1ng nhanh v\u00e0 \u0111\u1ed5i sang m\u00e0u \u00e1nh s\u00e1ng kh\u00e1c sau m\u1ed9t th\u1eddi gian ng\u1eafn s\u1eed d\u1ee5ng (ch\u1ec9 kho\u1ea3ng 2 th\u00e1ng). Ng\u01b0\u1eddi s\u1eed d\u1ee5ng n\u00e0o bi\u1ebft th\u00ec \u0111\u1ed5i sang lo\u1ea1i \u0111\u00e8n Led kh\u00e1c t\u1ed1t h\u01a1n, kh\u00f4ng bi\u1ebft th\u00ec kh\u00f4ng s\u1eed d\u1ee5ng \u0111\u00e8n Led n\u1eefa s\u1ebd quay l\u1ea1i s\u1eed d\u1ee5ng c\u00e1c lo\u1ea1i \u0111\u00e8n th\u00f4ng th\u01b0\u1eddng.<\/p>\n<p>Ph\u1ea7n l\u1edbn hi\u1ec7u su\u1ea5t\u00a0b\u00f3ng \u0111\u00e8n led\u00a0ph\u1ee5 thu\u1ed9c v\u00e0o nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng xung quanh c\u1ee7a m\u00f4i tr\u01b0\u1eddng ho\u1ea1t \u0111\u1ed9ng. \u0110i\u1ec1u n\u00e0y \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng khi xem x\u00e9t \u00f4 t\u00f4, ngo\u00e0i tr\u1eddi, y t\u1ebf, qu\u00e2n s\u1ef1 v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng m\u00e0 thi\u1ebft b\u1ecb ph\u1ea3i ho\u1ea1t \u0111\u1ed9ng tr\u00ean m\u1ed9t ph\u1ea1m vi r\u1ed9ng l\u1edbn c\u1ee7a nhi\u1ec7t \u0111\u1ed9, v\u00e0 \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u ph\u1ea3i c\u00f3 m\u1ed9t t\u1ef7 l\u1ec7 th\u1ea5t b\u1ea1i th\u1ea5p.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>B\u00f3ng \u0111\u00e8n LED\u00a0\u0111\u01b0\u1ee3c coi l\u00e0 m\u1ed9t th\u1ebf h\u1ec7 c\u00f4ng ngh\u1ec7 chi\u1ebfu s\u00e1ng m\u1edbi. So v\u1edbi b\u00f3ng \u0111\u00e8n CFL v\u00e0 b\u00f3ng \u0111\u00e8n d\u00e2y t\u00f3c,\u00a0\u0111\u00e8n LED\u00a0c\u00f3 hi\u1ec7u qu\u1ea3 h\u01a1n l\u1ea7n l\u01b0\u1ee3t g\u1ea5p 4 l\u1ea7n v\u00e0 15 l\u1ea7n. So v\u1edbi b\u00f3ng \u0111\u00e8n hu\u1ef3nh quang, n\u00f3 ti\u00eau th\u1ee5 \u00edt n\u0103ng l\u01b0\u1ee3ng h\u01a1n v\u00e0 kh\u00f4ng ch\u1ee9a th\u1ee7y ng\u00e2n \u0111\u1ed9c h\u1ea1i&#8230;.<\/p>\n","protected":false},"author":1,"featured_media":1639,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[139,138,140],"class_list":["post-1638","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc-va-su-kien","tag-san-xuat-den-led-tai-mien-trung","tag-san-xuat-den-led-tai-quang-binh","tag-san-xuat-den-led-tai-viet-nam"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n v\u1ec1 \u0111\u00e8n led chi\u1ebfu s\u00e1ng - \u0110\u00e8n LED HT Lighitng<\/title>\n<meta name=\"description\" content=\"B\u00f3ng \u0111\u00e8n LED\u00a0\u0111\u01b0\u1ee3c coi l\u00e0 m\u1ed9t th\u1ebf h\u1ec7 c\u00f4ng ngh\u1ec7 chi\u1ebfu s\u00e1ng m\u1edbi. So v\u1edbi b\u00f3ng \u0111\u00e8n CFL v\u00e0 b\u00f3ng \u0111\u00e8n d\u00e2y t\u00f3c,\u00a0\u0111\u00e8n LED\u00a0c\u00f3 hi\u1ec7u qu\u1ea3 h\u01a1n l\u1ea7n l\u01b0\u1ee3t g\u1ea5p 4 l\u1ea7n v\u00e0 15 l\u1ea7n. So v\u1edbi b\u00f3ng \u0111\u00e8n hu\u1ef3nh quang, n\u00f3 ti\u00eau th\u1ee5 \u00edt n\u0103ng l\u01b0\u1ee3ng h\u01a1n v\u00e0 kh\u00f4ng ch\u1ee9a th\u1ee7y ng\u00e2n \u0111\u1ed9c h\u1ea1i.\" \/>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n v\u1ec1 \u0111\u00e8n led chi\u1ebfu s\u00e1ng - \u0110\u00e8n LED HT Lighitng\" \/>\n<meta property=\"og:description\" content=\"B\u00f3ng \u0111\u00e8n LED\u00a0\u0111\u01b0\u1ee3c coi l\u00e0 m\u1ed9t th\u1ebf h\u1ec7 c\u00f4ng ngh\u1ec7 chi\u1ebfu s\u00e1ng m\u1edbi. So v\u1edbi b\u00f3ng \u0111\u00e8n CFL v\u00e0 b\u00f3ng \u0111\u00e8n d\u00e2y t\u00f3c,\u00a0\u0111\u00e8n LED\u00a0c\u00f3 hi\u1ec7u qu\u1ea3 h\u01a1n l\u1ea7n l\u01b0\u1ee3t g\u1ea5p 4 l\u1ea7n v\u00e0 15 l\u1ea7n. So v\u1edbi b\u00f3ng \u0111\u00e8n hu\u1ef3nh quang, n\u00f3 ti\u00eau th\u1ee5 \u00edt n\u0103ng l\u01b0\u1ee3ng h\u01a1n v\u00e0 kh\u00f4ng ch\u1ee9a th\u1ee7y ng\u00e2n \u0111\u1ed9c h\u1ea1i.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/htled.vn\/?p=1638\" \/>\n<meta property=\"og:site_name\" content=\"\u0110\u00e8n LED HT Lighitng\" \/>\n<meta property=\"article:published_time\" content=\"2019-05-05T08:14:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2019-05-05T08:14:45+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/htled.vn\/wp-content\/uploads\/2019\/05\/kien-thuc-co-ban-ve-den-led-chieu-sang-1638.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"700\" \/>\n\t<meta property=\"og:image:height\" content=\"368\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u0110\u01b0\u1ee3c vi\u1ebft b\u1edfi\" \/>\n\t<meta name=\"twitter:data1\" content=\"Admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u01af\u1edbc t\u00ednh th\u1eddi gian \u0111\u1ecdc\" \/>\n\t<meta name=\"twitter:data2\" content=\"10 ph\u00fat\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/htled.vn\/?p=1638\",\"url\":\"https:\/\/htled.vn\/?p=1638\",\"name\":\"Ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n v\u1ec1 \u0111\u00e8n led chi\u1ebfu s\u00e1ng - \u0110\u00e8n LED HT Lighitng\",\"isPartOf\":{\"@id\":\"https:\/\/htled.vn\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/htled.vn\/?p=1638#primaryimage\"},\"image\":{\"@id\":\"https:\/\/htled.vn\/?p=1638#primaryimage\"},\"thumbnailUrl\":\"https:\/\/htled.vn\/wp-content\/uploads\/2019\/05\/kien-thuc-co-ban-ve-den-led-chieu-sang-1638.jpg\",\"datePublished\":\"2019-05-05T08:14:00+00:00\",\"dateModified\":\"2019-05-05T08:14:45+00:00\",\"author\":{\"@id\":\"https:\/\/htled.vn\/#\/schema\/person\/8062725766abd205dc66aeeae1b61697\"},\"description\":\"B\u00f3ng \u0111\u00e8n LED\u00a0\u0111\u01b0\u1ee3c coi l\u00e0 m\u1ed9t th\u1ebf h\u1ec7 c\u00f4ng ngh\u1ec7 chi\u1ebfu s\u00e1ng m\u1edbi. So v\u1edbi b\u00f3ng \u0111\u00e8n CFL v\u00e0 b\u00f3ng \u0111\u00e8n d\u00e2y t\u00f3c,\u00a0\u0111\u00e8n LED\u00a0c\u00f3 hi\u1ec7u qu\u1ea3 h\u01a1n l\u1ea7n l\u01b0\u1ee3t g\u1ea5p 4 l\u1ea7n v\u00e0 15 l\u1ea7n. 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