{"id":510,"date":"2017-09-26T15:54:27","date_gmt":"2017-09-26T08:54:27","guid":{"rendered":"http:\/\/sieuthidenledvn.com\/?p=510"},"modified":"2017-09-26T15:54:27","modified_gmt":"2017-09-26T08:54:27","slug":"den-led-sieu-tiet-kiem-dien-va-thach-thuc","status":"publish","type":"post","link":"https:\/\/c326-denled.com-vn.net\/?p=510","title":{"rendered":"\u0110\u00e8n led si\u00eau ti\u1ebft ki\u1ec7m \u0111i\u1ec7n v\u00e0 th\u00e1ch th\u1ee9c"},"content":{"rendered":"

\u0110\u00f3 l\u00e0 n\u1ed9i dung h\u1ed9i th\u1ea3o v\u1eeba di\u1ec5n ra t\u1ea1i t\u1ea1i H\u00e0 N\u1ed9i do Di\u1ec5n \u0111\u00e0n c\u00e1c Nh\u00e0 b\u00e1o M\u00f4i tr\u01b0\u1eddng Vi\u1ec7t Nam (VFEJ) ph\u1ed1i h\u1ee3p v\u1edbi H\u1ed9i Chi\u1ebfu s\u00e1ng Vi\u1ec7t Nam, H\u1ed9i Khoa h\u1ecdc C\u00f4ng ngh\u1ec7 s\u1eed d\u1ee5ng n\u0103ng l\u01b0\u1ee3ng ti\u1ebft ki\u1ec7m v\u00e0 hi\u1ec7u qu\u1ea3, H\u1ed9i V\u1eadt l\u00fd Vi\u1ec7t Nam t\u1ed5 ch\u1ee9c.<\/span><\/strong><\/p>\n

\"\"<\/span><\/p>\n

T\u1ea1i h\u1ed9i th\u1ea3o, GS.TS Nguy\u1ec5n \u0110\u1ee9c Chi\u1ebfn- Ph\u00f3 ch\u1ee7 t\u1ecbch H\u1ed9i V\u1eadt l\u00fd Vi\u1ec7t Nam, Ph\u00f3 ch\u1ee7 t\u1ecbch H\u1ed9i Chi\u1ebfu s\u00e1ng Vi\u1ec7t Nam cho bi\u1ebft, vi\u1ec7c ph\u00e1t minh ra LED blue hi\u1ec7u su\u1ea5t cao d\u1eabn \u0111\u1ebfn c\u00e1c ngu\u1ed3n s\u00e1ng tr\u1eafng d\u00f9ng cho chi\u1ebfu s\u00e1ng. C\u00e1c ngu\u1ed3n s\u00e1ng n\u00e0y, v\u1edbi th\u1eddi gian s\u1ed1ng r\u1ea5t d\u00e0i, \u0111\u00e3 b\u1eaft \u0111\u1ea7u thay th\u1ebf c\u00e1c \u0111\u00e8n s\u1ee3i \u0111\u1ed1t v\u00e0 \u0111\u00e8n hu\u1ef3nh quang trong chi\u1ebfu s\u00e1ng. Hi\u1ec7n nay ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng d\u00e0nh cho chi\u1ebfu s\u00e1ng tr\u00ean th\u1ebf gi\u1edbi l\u00ean t\u1edbi 20-30% v\u00e0 c\u00e1c ngu\u1ed3n s\u00e1ng ph\u00e1t ra t\u1eeb\u00a0\u00e1nh s\u00e1ng LED<\/strong>\u00a0c\u1ea7n ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng r\u1ea5t nh\u1ecf, th\u1ea5p h\u01a1n v\u00e0i ch\u1ee5c l\u1ea7n so v\u1edbi c\u00e1c lo\u1ea1i \u0111\u00e8n th\u00f4ng th\u01b0\u1eddng. V\u00ec v\u1eady vi\u1ec7c s\u1eed d\u1ee5ng \u0111\u00e8n led hi\u1ec7u su\u1ea5t cao s\u1ebd gi\u00fap ti\u1ebft ki\u1ec7m \u0111\u01b0\u1ee3c m\u1ed9t ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng \u0111\u00e1ng k\u1ec3.<\/span><\/p>\n

\u0110\u00e8n led si\u00eau ti\u1ebft ki\u1ec7m \u0111i\u1ec7n<\/strong><\/a>\u00a0\u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u1edf Vi\u1ec7t Nam t\u1eeb nh\u1eefng n\u0103m 2010 trong c\u00e1c l\u0129nh v\u1ef1c c\u1ee7a \u0111\u1eddi s\u1ed1ng x\u00e3 h\u1ed9i v\u00e0 nh\u00e0 d\u00e2n. Tuy nhi\u00ean t\u1edbi nay \u0111\u00e8n led v\u1eabn c\u00f2n kh\u00e1 nhi\u1ec1u r\u00e0o c\u1ea3n n\u1ebfu mu\u1ed1n \u0111\u1ebfn \u0111\u01b0\u1ee3c tay ng\u01b0\u1eddi ti\u00eau d\u00f9ng m\u1ed9t ph\u1ea7n l\u00e0 do c\u00f4ng ngh\u1ec7 ph\u1ee9c t\u1ea1p d\u1eabn t\u1edbi gi\u00e1 th\u00e0nh s\u1ea3n ph\u1ea9m c\u00f2n cao. M\u1eb7t kh\u00e1c c\u00e1c c\u00f4ng ty Vi\u1ec7t Nam ho\u1eb7c l\u00e0 nh\u1eadp kh\u1ea9u \u0111\u00e8n led ch\u1ea5t l\u01b0\u1ee3ng k\u00e9m t\u1eeb Trung Qu\u1ed1c ho\u1eb7c l\u00e0 mua linh ki\u1ec7n v\u1ec1 l\u1eafp r\u1eafp c\u1ea9u th\u1ea3 nh\u01b0ng l\u1ea1i qu\u1ea3ng b\u00e1 ph\u00f3ng \u0111\u1ea1i v\u1ec1 c\u00f4ng n\u0103ng c\u1ee7a lo\u1ea1i \u0111\u00e8n led khi\u1ebfn cho \u0111\u00e8n\u00a0led si\u00eau ti\u1ebft ki\u1ec7m \u0111i\u1ec7n<\/strong>\u00a0kh\u00f3 ph\u1ed5 bi\u1ebfn r\u1ed9ng r\u00e3i t\u1ea1i Vi\u1ec7t Nam.<\/span><\/p>\n

Vi\u1ec7c \u0111\u00e8n led k\u00e9m ch\u1ea5t l\u01b0\u1ee3ng v\u1eabn l\u01b0u h\u00e0nh tr\u00ean th\u1ecb tr\u01b0\u1eddng l\u00e0 do kh\u00e2u ki\u1ec3m so\u00e1t ch\u01b0a ch\u1eb7t ch\u1ebd, m\u1eb7t kh\u00e1c ch\u01b0a c\u00f3 c\u00e1c thi\u1ebft b\u1ecb v\u00e0 ph\u01b0\u01a1ng ti\u1ec7n h\u1ed7 tr\u1ee3 ki\u1ec3m \u0111\u1ecbnh ch\u1ea5t l\u01b0\u1ee3ng \u0111\u00e8n led. Ngo\u00e0i ra th\u00ec vi\u1ec7c gi\u00e1 th\u00e0nh c\u00f2n kh\u00e1 cao c\u0169ng l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1, nhi\u1ec1u doanh nghi\u1ec7p \u0111ang ki\u1ebfn ngh\u1ecb c\u00f3 c\u01a1 ch\u1ebf, ch\u00ednh s\u00e1ch \u01b0u \u0111\u00e3i v\u1ec1 t\u00e0i ch\u00ednh, thu\u1ebf, t\u00edn d\u1ee5ng cho lo\u1ea1i \u0111\u00e8n n\u00e0y nh\u1eb1m khuy\u1ebfn kh\u00edch c\u00e1 nh\u00e2n, t\u1ed5 ch\u1ee9c c\u00f3 th\u1ec3 ti\u1ebfp c\u1eadn g\u1ea7n h\u01a1n v\u1edbi\u00a0\u0111\u00e8n led ch\u1ea5t l\u01b0\u1ee3ng<\/strong><\/a>\u00a0nh\u1eb1m gi\u1ea3m thi\u1ec3u c\u00e1c y\u1ebfu t\u1ed1 g\u00e2y h\u1ea1i cho m\u00f4i tr\u01b0\u1eddng v\u00e0 ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng \u0111i\u1ec7n cho qu\u1ed1c gia.<\/span><\/p>\n

T\u1eeb s\u1ef1 ki\u1ec7n ph\u00e1t minh blue LED \u2013\u00a0\u0110\u00e8n<\/strong>\u00a0led<\/strong>\u00a0si\u00eau<\/strong>\u00a0ti\u1ebft<\/strong>\u00a0ki\u1ec7m<\/strong>\u00a0\u0111i\u1ec7n<\/strong>\u00a0\u0111o\u1ea1t gi\u1ea3i Nobel v\u1eadt l\u00fd n\u0103m 2014, d\u1ef1 b\u00e1o \u0111\u1ebfn n\u0103m 2015, c\u00f4ng ngh\u1ec7 LED s\u1ebd th\u1ed1ng tr\u1ecb th\u1ecb tr\u01b0\u1eddng chi\u1ebfu s\u00e1ng th\u01b0\u01a1ng m\u1ea1i tr\u00ean th\u1ebf gi\u1edbi. Th\u1ecb tr\u01b0\u1eddng \u0111\u00e8n LED to\u00e0n c\u1ea7u s\u1ebd t\u0103ng t\u1eeb 2,2 t\u1ef7 USD n\u0103m 2011 l\u00ean m\u1ee9c 3,7 t\u1ef7 USD n\u0103m 2016. T\u1ed1c \u0111\u1ed9 t\u0103ng tr\u01b0\u1edfng doanh thu \u0111\u01b0\u1ee3c d\u1ef1 b\u00e1o n\u1eb1m trong kho\u1ea3ng 14% n\u0103m v\u00e0 t\u00f9y thu\u1ed9c v\u00e0o s\u1ef1 suy gi\u1ea3m gi\u00e1 b\u00e1n trung b\u00ecnh trong n\u0103m.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

\u0110\u00f3 l\u00e0 n\u1ed9i dung h\u1ed9i th\u1ea3o v\u1eeba di\u1ec5n ra t\u1ea1i t\u1ea1i H\u00e0 N\u1ed9i do Di\u1ec5n \u0111\u00e0n c\u00e1c Nh\u00e0 b\u00e1o M\u00f4i … \u0110\u1ecdc th\u00eam » “\u0110\u00e8n led si\u00eau ti\u1ebft ki\u1ec7m \u0111i\u1ec7n v\u00e0 th\u00e1ch th\u1ee9c”<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":513,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[2],"tags":[],"_links":{"self":[{"href":"https:\/\/c326-denled.com-vn.net\/index.php?rest_route=\/wp\/v2\/posts\/510"}],"collection":[{"href":"https:\/\/c326-denled.com-vn.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/c326-denled.com-vn.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/c326-denled.com-vn.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/c326-denled.com-vn.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=510"}],"version-history":[{"count":1,"href":"https:\/\/c326-denled.com-vn.net\/index.php?rest_route=\/wp\/v2\/posts\/510\/revisions"}],"predecessor-version":[{"id":514,"href":"https:\/\/c326-denled.com-vn.net\/index.php?rest_route=\/wp\/v2\/posts\/510\/revisions\/514"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/c326-denled.com-vn.net\/index.php?rest_route=\/wp\/v2\/media\/513"}],"wp:attachment":[{"href":"https:\/\/c326-denled.com-vn.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=510"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/c326-denled.com-vn.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=510"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/c326-denled.com-vn.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=510"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}