{"id":1118,"date":"2020-12-18T04:45:01","date_gmt":"2020-12-18T04:45:01","guid":{"rendered":"http:\/\/omllighting.com\/?p=1118"},"modified":"2023-02-22T08:29:24","modified_gmt":"2023-02-22T01:29:24","slug":"den-led-la-gi-nhung-cong-dung-cua-den-led","status":"publish","type":"post","link":"https:\/\/www.oml.com.vn\/?p=1118","title":{"rendered":"\u0110\u00e8n LED l\u00e0 g\u00ec ? Nh\u1eefng c\u00f4ng d\u1ee5ng c\u1ee7a \u0111\u00e8n LED !!!"},"content":{"rendered":"

“LED (vi\u1ebft t\u1eaft c\u1ee7a Light Emitting Diode hay \u0111i\u1ed1t ph\u00e1t quang) l\u00e0 c\u00e1c \u0111i\u1ed1t c\u00f3 kh\u1ea3 n\u0103ng ph\u00e1t ra \u00e1nh s\u00e1ng hay tia h\u1ed3ng ngo\u1ea1i, t\u1eed ngo\u1ea1i. C\u0169ng gi\u1ed1ng nh\u01b0 \u0111i\u1ed1t, LED \u0111\u01b0\u1ee3c c\u1ea5u t\u1ea1o t\u1eeb m\u1ed9t kh\u1ed1i b\u00e1n d\u1eabn lo\u1ea1i p gh\u00e9p v\u1edbi m\u1ed9t kh\u1ed1i b\u00e1n d\u1eabn lo\u1ea1i n”
\n\"\"
\nChip led \u0111\u01b0\u1ee3c g\u1eafn l\u1ea1i v\u1edbi nhau nh\u1eb1m n\u00e2ng cao kh\u1ea3 n\u0103ng ph\u00e1t \u00e1nh s\u00e1ng. Ba lo\u1ea1i t\u1ed5 h\u1ee3p ph\u1ed5 bi\u1ebfn hi\u1ec7n n\u00e0y l\u00e0 : DIP, SMD v\u00e0 COB.
\nTrong \u1ee9ng d\u1ee5ng l\u00e0m thi\u1ebft b\u1ecb chi\u1ebfu s\u00e1ng, c\u00e1c chip LED \u0111\u01b0\u1ee3c l\u1eafp r\u00e1p v\u1edbi nhau th\u00e0nh m\u1ed9t ngu\u1ed3n ph\u00e1t \u00e1nh s\u00e1ng n\u1eb1m b\u00ean trong c\u00e1c s\u1ea3n ph\u1ea9m c\u00f3 h\u00ecnh d\u1ea1ng nh\u01b0: b\u00f3ng tr\u00f2n, tu\u00fdp d\u00e0i, h\u00ecnh n\u1ebfn, h\u00ecnh c\u1ea7u, downligt… \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u0111\u00e8n led
\n\"\"<\/p>\n

T\u00ednh n\u0103ng & \u0111\u1eb7c \u0111i\u1ec3m
\n– \u0110\u00e8n led c\u00f3 tu\u1ed5i th\u1ecd v\u00e0 hi\u1ec7u su\u1ea5t l\u1edbn h\u01a1n nhi\u1ec1u l\u1ea7n \u0111\u00e8n s\u1ee3i \u0111\u1ed1t v\u00e0 hi\u1ec7u qu\u1ea3 h\u01a1n so v\u1edbi h\u1ea7u h\u1ebft c\u00e1c lo\u1ea1i \u0111\u00e8n hu\u1ef3nh quang. M\u1ed9t s\u1ed1 chip c\u00f3 kh\u1ea3 n\u0103ng ph\u00e1t ra h\u01a1n 300 lumen \/ watt . N\u0103m 2014, th\u1ecb tr\u01b0\u1eddng LED \u0111\u1ea1t 2 t\u1ef7 USD v\u00e0 d\u1ef1 ki\u1ebfn c\u00f3 th\u1ec3 \u0111\u1ea1t m\u1ee9c 25 t\u1ef7 USD v\u00e0o n\u0103m 2023. Theo th\u1ed1ng k\u1ebf trong n\u0103m 2016, c\u00e1c thi\u1ebft b\u1ecb chi\u1ebfu s\u00e1ng \u1ee9ng d\u1ee5ng c\u00f4ng ngh\u1ec7 led m\u1edbi ch\u1ec9 chi\u1ebfm 10% th\u1ecb ph\u1ea7n so v\u1edbi c\u00e1c c\u00f4ng ngh\u1ec7 chi\u1ebfu s\u00e1ng kh\u00e1c.
\n– Kh\u00f4ng gi\u1ed1ng nh\u01b0 h\u1ea7u h\u1ebft c\u00e1c b\u00f3ng \u0111\u00e8n hu\u1ef3nh quang (hu\u1ef3nh quang compact ho\u1eb7c \u0111\u00e8n CFL), LED ph\u00e1t s\u00e1ng ho\u00e0n to\u00e0n m\u00e0 kh\u00f4ng c\u1ea7n th\u1eddi gian kh\u1edfi \u0111\u1ed9ng. Do v\u1eady tu\u1ed5i th\u1ecd c\u1ee7a ch\u00fang cao h\u01a1n \u0111\u00e8n hu\u1ef3nh quang. Chi ph\u00ed ban \u0111\u1ea7u \u0111\u1ec3 mua \u0111\u00e8n led th\u01b0\u1eddng cao h\u01a1n lo\u1ea1i s\u1ee3i \u0111\u1ed1t hay hu\u1ef3nh quang, tuy nhi\u00ean x\u00e9t v\u1ec1 m\u1ee9c \u0111\u1ed9 ti\u1ebft ki\u1ec7m \u0111i\u1ec7n n\u0103ng v\u00e0 tu\u1ed5i th\u1ecd th\u00ec ch\u00fang \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 ti\u1ebft ki\u1ec7m chi ph\u00ed h\u01a1n.
\n– Hi\u1ec7n nay h\u1ea7u h\u1ebft c\u00e1c s\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf theo \u0111ui ti\u00eau chu\u1ea9n c\u00f3 th\u1ec3 thay th\u1ebf tr\u1ef1c ti\u1ebfp cho b\u00f3ng \u0111\u00e8n s\u1ee3i \u0111\u1ed1t ho\u1eb7c hu\u1ef3nh quang. Tr\u00ean bao b\u00ec th\u01b0\u1eddng ghi r\u00f5 lumen, c\u00f4ng su\u1ea5t watt, nhi\u1ec7t \u0111\u1ed9 m\u00e0u, ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng. Ch\u00fang kh\u00f4ng ph\u00e1t ra \u00e1nh s\u00e1ng theo m\u1ecdi h\u01b0\u1edbng, v\u00e0 c\u00e1c \u0111\u1eb7c t\u00ednh h\u01b0\u1edbng c\u1ee7a ch\u00fang \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn vi\u1ec7c thi\u1ebft k\u1ebf, m\u1eb7c d\u00f9 ng\u00e0y nay \u0111\u00e3 c\u00f3 kh\u00f4ng \u00edt nh\u1eefng thi\u1ebft k\u1ebf c\u00f3 g\u00f3c chi\u1ebfu s\u00e1ng 360 \u0111\u1ed9.
\n– Gi\u1ed1ng nh\u01b0 h\u1ea7u h\u1ebft c\u00e1c thi\u1ebft b\u1ecb chi\u1ebfu s\u00e1ng kh\u00e1c, led b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi nhi\u1ec7t \u0111\u1ed9 cao, m\u1eb7c d\u00f9 ch\u00fang ph\u00e1t ra r\u1ea5t \u00edt nhi\u1ec7t khi ho\u1ea1t \u0111\u1ed9ng. Nh\u01b0ng ph\u1ea7n nhi\u1ec7t \u0111\u1ed9 n\u00e0y c\u0169ng \u0111\u1ee7 \u0111\u1ec3 g\u00e2y ra nh\u1eefng t\u1ed5n h\u1ea1i nh\u01b0 gi\u1ea3m lumen, gi\u1ea3m tu\u1ed5i th\u1ecd. Do \u0111\u00f3, trong thi\u1ebft k\u1ebf th\u01b0\u1eddng c\u00f3 th\u00eam b\u1ed9 ph\u1eadn t\u1ea3n nhi\u1ec7t, l\u00e0m m\u00e1t. Tu\u1ed5i th\u1ecd c\u1ee7a \u0111\u00e8n led ph\u1ee5 thu\u1ed9c l\u1edbn v\u00e0o ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a b\u1ed9 t\u1ea3n nhi\u1ec7t.
\n– \u0110\u1ec3 ho\u1ea1t \u0111\u1ed9ng, chip led \u0111\u00f2i h\u1ecfi ph\u1ea3i chuy\u1ec3n \u0111\u1ed5i d\u00f2ng \u0111i\u1ec7n t\u1eeb xoay chi\u1ec1u sang d\u00f2ng \u0111i\u1ec7n m\u1ed9t chi\u1ec1u b\u1eb1ng m\u1ed9t thi\u1ebft b\u1ecb bi\u1ebfn \u00e1p v\u00e0 chuy\u1ec3n \u0111\u1ed5i g\u1ecdi l\u00e0 driver. \u0110\u00e8n led \u0111i k\u00e8m m\u1ed9t driver ch\u1ea5t l\u01b0\u1ee3ng c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o tu\u1ed5i th\u1ecd d\u00e0i cho v\u00e0 cung c\u1ea5p c\u00e1c t\u00ednh n\u0103ng \u0111i\u1ec1u khi\u1ec3n \u00e1nh s\u00e1ng. N\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u1eb7t b\u00ean trong b\u00f3ng \u0111\u00e8n (lo\u1ea1i t\u00edch h\u1ee3p) ho\u1eb7c \u0111\u01b0\u1ee3c \u0111\u1eb7t b\u00ean ngo\u00e0i (lo\u1ea1i \u0111\u1ed9c l\u1eadp). T\u00f9y theo \u1ee9ng d\u1ee5ng chi\u1ebfu s\u00e1ng m\u00e0 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng driver kh\u00e1c nhau (v\u00ed d\u1ee5: nh\u01b0 tr\u00ecnh driver ngo\u00e0i tr\u1eddi cho \u00e1nh s\u00e1ng \u0111\u01b0\u1eddng ph\u1ed1, driver \u0111i\u1ec3m cho chi\u1ebfu s\u00e1ng trong nh\u00e0 v\u00e0 driver tuy\u1ebfn t\u00ednh cho c\u00e1c \u0111\u00e8n qu\u1ea3ng c\u00e1o).<\/p>\n

\u01afu \u0111i\u1ec3m
\n– Ph\u00e1t ra nhi\u1ec1u quang th\u00f4ng \u00e1nh s\u00e1ng h\u01a1n c\u00e1c lo\u1ea1i kh\u00e1c v\u1edbi c\u00f9ng m\u1ee9c c\u00f4ng su\u1ea5t.
\n– K\u00edch th\u01b0\u1edbc nh\u1ecf g\u1ecdn h\u01a1n so v\u1edbi c\u00e1c lo\u1ea1i \u0111\u00e8n kh\u00e1c
\n– C\u00f3 th\u1ec3 b\u1eadt v\u00e0 t\u1eaft nhi\u1ec1u l\u1ea7n m\u00e0 kh\u00f4ng \u1ea3nh h\u01b0\u1edfng t\u1edbi tu\u1ed5i th\u1ecd
\n– C\u00f3 th\u1ec3 k\u1ebft h\u1ee3p v\u1edbi dimmer.
\n– C\u00f3 tu\u1ed5i th\u1ecd r\u1ea5t d\u00e0i.
\n– Chi\u1ebfu s\u00e1ng theo h\u01b0\u1edbng
\nNh\u01b0\u1ee3c \u0111i\u1ec3m
\n– Ph\u00e1t ra nhi\u1ec1u quang th\u00f4ng \u00e1nh s\u00e1ng h\u01a1n c\u00e1c lo\u1ea1i kh\u00e1c v\u1edbi c\u00f9ng m\u1ee9c c\u00f4ng su\u1ea5t.
\n– K\u00edch th\u01b0\u1edbc nh\u1ecf g\u1ecdn h\u01a1n so v\u1edbi c\u00e1c lo\u1ea1i \u0111\u00e8n kh\u00e1c
\n– C\u00f3 th\u1ec3 b\u1eadt v\u00e0 t\u1eaft nhi\u1ec1u l\u1ea7n m\u00e0 kh\u00f4ng \u1ea3nh h\u01b0\u1edfng t\u1edbi tu\u1ed5i th\u1ecd
\n– C\u00f3 th\u1ec3 k\u1ebft h\u1ee3p v\u1edbi dimmer.
\n– C\u00f3 tu\u1ed5i th\u1ecd r\u1ea5t d\u00e0i.<\/p>\n","protected":false},"excerpt":{"rendered":"

“LED (vi\u1ebft t\u1eaft c\u1ee7a Light Emitting Diode hay \u0111i\u1ed1t ph\u00e1t quang) l\u00e0 c\u00e1c \u0111i\u1ed1t c\u00f3 kh\u1ea3 n\u0103ng ph\u00e1t ra \u00e1nh s\u00e1ng hay tia h\u1ed3ng ngo\u1ea1i, t\u1eed ngo\u1ea1i. C\u0169ng gi\u1ed1ng nh\u01b0 \u0111i\u1ed1t, LED \u0111\u01b0\u1ee3c c\u1ea5u t\u1ea1o t\u1eeb m\u1ed9t kh\u1ed1i b\u00e1n d\u1eabn lo\u1ea1i p gh\u00e9p v\u1edbi m\u1ed9t kh\u1ed1i b\u00e1n d\u1eabn lo\u1ea1i n” Chip led \u0111\u01b0\u1ee3c g\u1eafn l\u1ea1i […]\n","protected":false},"author":4,"featured_media":1119,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[273],"tags":[],"_links":{"self":[{"href":"https:\/\/www.oml.com.vn\/index.php?rest_route=\/wp\/v2\/posts\/1118"}],"collection":[{"href":"https:\/\/www.oml.com.vn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.oml.com.vn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.oml.com.vn\/index.php?rest_route=\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.oml.com.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1118"}],"version-history":[{"count":1,"href":"https:\/\/www.oml.com.vn\/index.php?rest_route=\/wp\/v2\/posts\/1118\/revisions"}],"predecessor-version":[{"id":1121,"href":"https:\/\/www.oml.com.vn\/index.php?rest_route=\/wp\/v2\/posts\/1118\/revisions\/1121"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.oml.com.vn\/index.php?rest_route=\/wp\/v2\/media\/1119"}],"wp:attachment":[{"href":"https:\/\/www.oml.com.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1118"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.oml.com.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1118"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.oml.com.vn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1118"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}