{"id":690053,"date":"2024-08-03T15:10:34","date_gmt":"2024-08-03T14:10:34","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=690053"},"modified":"2024-08-03T15:10:34","modified_gmt":"2024-08-03T14:10:34","slug":"tinh-the-long-thiet-bi-quang-hoc-man-hinh-nghien-cuu","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/tinh-the-long-thiet-bi-quang-hoc-man-hinh-nghien-cuu\/","title":{"rendered":"Tinh Th\u1ec3 L\u1ecfng | Thi\u1ebft B\u1ecb Quang H\u1ecdc, M\u00e0n H\u00ecnh &#038; Nghi\u00ean C\u1ee9u"},"content":{"rendered":"<p class=\"sidekick\">Tinh Th\u1ec3 L\u1ecfng | Thi\u1ebft B\u1ecb Quang H\u1ecdc, M\u00e0n H\u00ecnh &#038; Nghi\u00ean C\u1ee9u &#8211; \u1ee8ng d\u1ee5ng tinh th\u1ec3 l\u1ecfng trong thi\u1ebft b\u1ecb quang h\u1ecdc, m\u00e0n h\u00ecnh v\u00e0 nghi\u00ean c\u1ee9u khoa h\u1ecdc hi\u1ec7n \u0111\u1ea1i.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/tinh_the_long_thiet_bi_quang_hoc_man_hinh_nghien_cuu.png\" alt=\"Tinh Th\u1ec3 L\u1ecfng | Thi\u1ebft B\u1ecb Quang H\u1ecdc, M\u00e0n H\u00ecnh &#038; Nghi\u00ean C\u1ee9u\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>Tinh Th\u1ec3 L\u1ecfng | Thi\u1ebft B\u1ecb Quang H\u1ecdc, M\u00e0n H\u00ecnh &#038; Nghi\u00ean C\u1ee9u<\/h2>\n<p>Tinh th\u1ec3 l\u1ecfng (liquid crystal) l\u00e0 m\u1ed9t tr\u1ea1ng th\u00e1i v\u1eadt ch\u1ea5t n\u1eb1m gi\u1eefa ch\u1ea5t r\u1eafn v\u00e0 ch\u1ea5t l\u1ecfng. Tinh th\u1ec3 l\u1ecfng c\u00f3 c\u00e1c t\u00ednh ch\u1ea5t \u0111\u1ed9c \u0111\u00e1o v\u00e0 \u0111\u00e3 \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u l\u0129nh v\u1ef1c, t\u1eeb thi\u1ebft b\u1ecb quang h\u1ecdc, m\u00e0n h\u00ecnh \u0111\u1ebfn nghi\u00ean c\u1ee9u khoa h\u1ecdc.<\/p>\n<h2>Thi\u1ebft B\u1ecb Quang H\u1ecdc<\/h2>\n<p>Tinh th\u1ec3 l\u1ecfng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nhi\u1ec1u thi\u1ebft b\u1ecb quang h\u1ecdc nh\u1edd kh\u1ea3 n\u0103ng t\u1ea1o ra c\u00e1c hi\u1ec7u \u1ee9ng quang h\u1ecdc \u0111\u1eb7c bi\u1ec7t. M\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng bao g\u1ed3m:<\/p>\n<ul>\n<li><strong>B\u1ed9 \u0111i\u1ec1u ch\u1ec9nh quang h\u1ecdc:<\/strong> S\u1eed d\u1ee5ng tinh th\u1ec3 l\u1ecfng \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh c\u01b0\u1eddng \u0111\u1ed9 v\u00e0 h\u01b0\u1edbng c\u1ee7a \u00e1nh s\u00e1ng.<\/li>\n<li><strong>Linh ki\u1ec7n laser:<\/strong> Tinh th\u1ec3 l\u1ecfng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u1ea1o ra c\u00e1c b\u1ed9 l\u1ecdc v\u00e0 thi\u1ebft b\u1ecb ph\u00e2n c\u1ef1c cho h\u1ec7 th\u1ed1ng laser.<\/li>\n<li><strong>K\u00ednh bi\u1ebfn \u0111\u1ed5i:<\/strong> K\u00ednh c\u00f3 th\u1ec3 thay \u0111\u1ed5i m\u00e0u s\u1eafc ho\u1eb7c \u0111\u1ed9 trong su\u1ed1t d\u1ef1a tr\u00ean tr\u1ea1ng th\u00e1i c\u1ee7a tinh th\u1ec3 l\u1ecfng b\u00ean trong.<\/li>\n<\/ul>\n<h2>M\u00e0n H\u00ecnh (LCD)<\/h2>\n<p>M\u1ed9t trong nh\u1eefng \u1ee9ng d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t c\u1ee7a tinh th\u1ec3 l\u1ecfng ch\u00ednh l\u00e0 m\u00e0n h\u00ecnh tinh th\u1ec3 l\u1ecfng (LCD &#8211; Liquid Crystal Display). LCD \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed nh\u01b0 tivi, \u0111i\u1ec7n tho\u1ea1i di \u0111\u1ed9ng, m\u00e1y t\u00ednh x\u00e1ch tay v\u00e0 nhi\u1ec1u thi\u1ebft b\u1ecb kh\u00e1c.<\/p>\n<p><strong>Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e0n h\u00ecnh LCD:<\/strong><\/p>\n<ol>\n<li><strong>S\u1eafp x\u1ebfp l\u1edbp:<\/strong> M\u00e0n h\u00ecnh LCD c\u00f3 nhi\u1ec1u l\u1edbp, bao g\u1ed3m hai l\u1edbp th\u1ee7y tinh ho\u1eb7c nh\u1ef1a ch\u1ee9a tinh th\u1ec3 l\u1ecfng \u1edf gi\u1eefa.<\/li>\n<li><strong>\u0110i\u1ec7n th\u1ebf:<\/strong> Khi \u00e1p d\u1ee5ng \u0111i\u1ec7n th\u1ebf, c\u1ea5u tr\u00fac c\u1ee7a c\u00e1c ph\u00e2n t\u1eed tinh th\u1ec3 l\u1ecfng thay \u0111\u1ed5i, \u0111i\u1ec1u n\u00e0y \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00e1ch ch\u00fang ph\u00e2n c\u1ef1c \u00e1nh s\u00e1ng.<\/li>\n<li><strong>Hi\u1ec3n th\u1ecb h\u00ecnh \u1ea3nh:<\/strong> B\u1eb1ng c\u00e1ch \u0111i\u1ec1u ch\u1ec9nh \u0111i\u1ec7n th\u1ebf cho m\u1ed7i \u0111i\u1ec3m \u1ea3nh (pixel), m\u00e0n h\u00ecnh c\u00f3 th\u1ec3 hi\u1ec3n th\u1ecb c\u00e1c m\u00e0u s\u1eafc v\u00e0 h\u00ecnh \u1ea3nh kh\u00e1c nhau.<\/li>\n<\/ol>\n<h2>Nghi\u00ean C\u1ee9u \u0110\u1ed1i V\u1edbi Tinh Th\u1ec3 L\u1ecfng<\/h2>\n<p>Tinh th\u1ec3 l\u1ecfng c\u0169ng l\u00e0 \u0111\u1ed1i t\u01b0\u1ee3ng c\u1ee7a nhi\u1ec1u nghi\u00ean c\u1ee9u khoa h\u1ecdc nh\u1edd nh\u1eefng t\u00ednh ch\u1ea5t \u0111\u1eb7c bi\u1ec7t c\u1ee7a ch\u00fang:<\/p>\n<ul>\n<li><strong>T\u00ednh ch\u1ea5t \u0111i\u1ec7n t\u1eeb:<\/strong> C\u00e1c nghi\u00ean c\u1ee9u v\u1ec1 c\u00e1ch tinh th\u1ec3 l\u1ecfng ph\u1ea3n \u1ee9ng v\u1edbi c\u00e1c tr\u01b0\u1eddng \u0111i\u1ec7n t\u1eeb c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn c\u00e1c \u1ee9ng d\u1ee5ng m\u1edbi trong \u0111i\u1ec7n t\u1eed v\u00e0 vi\u1ec5n th\u00f4ng.<\/li>\n<li><strong>V\u1eadt li\u1ec7u m\u1edbi:<\/strong> Nghi\u00ean c\u1ee9u h\u01b0\u1edbng t\u1edbi vi\u1ec7c t\u1ea1o ra c\u00e1c lo\u1ea1i tinh th\u1ec3 l\u1ecfng m\u1edbi v\u1edbi c\u00e1c t\u00ednh ch\u1ea5t v\u01b0\u1ee3t tr\u1ed9i, ch\u1eb3ng h\u1ea1n nh\u01b0 si\u00eau d\u1eabn ho\u1eb7c kh\u1ea3 n\u0103ng t\u1ef1 ph\u1ee5c h\u1ed3i.<\/li>\n<li><strong>\u1ee8ng d\u1ee5ng sinh h\u1ecdc:<\/strong> Tinh th\u1ec3 l\u1ecfng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u1ea3m bi\u1ebfn sinh h\u1ecdc ho\u1eb7c trong y h\u1ecdc \u0111\u1ec3 ph\u00e1t hi\u1ec7n c\u00e1c lo\u1ea1i b\u1ec7nh kh\u00e1c nhau.<\/li>\n<\/ul>\n<p>T\u1ed5ng k\u1ebft l\u1ea1i, tinh th\u1ec3 l\u1ecfng kh\u00f4ng ch\u1ec9 \u0111em l\u1ea1i nh\u1eefng gi\u1ea3i ph\u00e1p c\u00f4ng ngh\u1ec7 hi\u1ec7n \u0111\u1ea1i m\u00e0 c\u00f2n m\u1edf ra nhi\u1ec1u ti\u1ec1m n\u0103ng nghi\u00ean c\u1ee9u khoa h\u1ecdc phong ph\u00fa. T\u1eeb c\u00e1c thi\u1ebft b\u1ecb quang h\u1ecdc \u0111\u1ebfn m\u00e0n h\u00ecnh LCD v\u00e0 c\u1ea3 trong c\u00e1c ng\u00f5 m\u1edbi c\u1ee7a c\u00f4ng ngh\u1ec7 v\u00e0 y h\u1ecdc, tinh th\u1ec3 l\u1ecfng \u0111ang ng\u00e0y c\u00e0ng ch\u1ee9ng t\u1ecf t\u1ea7m quan tr\u1ecdng c\u1ee7a m\u00ecnh.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tinh Th\u1ec3 L\u1ecfng | Thi\u1ebft B\u1ecb Quang H\u1ecdc, M\u00e0n H\u00ecnh &#038; Nghi\u00ean C\u1ee9u &#8211; \u1ee8ng d\u1ee5ng tinh th\u1ec3 l\u1ecfng trong thi\u1ebft b\u1ecb quang h\u1ecdc, m\u00e0n h\u00ecnh v\u00e0 nghi\u00ean c\u1ee9u khoa h\u1ecdc hi\u1ec7n \u0111\u1ea1i.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[132],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v15.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Tinh Th\u1ec3 L\u1ecfng | Thi\u1ebft B\u1ecb Quang H\u1ecdc, M\u00e0n H\u00ecnh &amp; Nghi\u00ean C\u1ee9u<\/title>\n<meta name=\"description\" content=\"Tinh Th\u1ec3 L\u1ecfng | Thi\u1ebft B\u1ecb Quang H\u1ecdc, M\u00e0n H\u00ecnh &amp; Nghi\u00ean C\u1ee9u - 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