{"id":477808,"date":"2023-08-09T09:20:41","date_gmt":"2023-08-09T09:20:41","guid":{"rendered":""},"modified":"2023-09-05T11:15:27","modified_gmt":"2023-09-05T11:15:27","slug":"lcd-screen","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/vn\/wiki\/lcd-screen\/","title":{"rendered":"Man hinh LCD"},"content":{"rendered":"<p>M\u00e0n h\u00ecnh LCD, vi\u1ebft t\u1eaft c\u1ee7a Liquid Crystal Display, l\u00e0 c\u00f4ng ngh\u1ec7 m\u00e0n h\u00ecnh ph\u1eb3ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed, nh\u01b0 m\u00e0n h\u00ecnh m\u00e1y t\u00ednh, tivi, \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh v\u00e0 c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed ti\u00eau d\u00f9ng kh\u00e1c. N\u00f3 s\u1eed d\u1ee5ng tinh th\u1ec3 l\u1ecfng \u0111\u1ec3 ki\u1ec3m so\u00e1t s\u1ef1 truy\u1ec1n \u00e1nh s\u00e1ng, d\u1eabn \u0111\u1ebfn hi\u1ec3n th\u1ecb h\u00ecnh \u1ea3nh v\u00e0 th\u00f4ng tin. M\u00e0n h\u00ecnh LCD \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t ph\u1ea7n kh\u00f4ng th\u1ec3 thi\u1ebfu c\u1ee7a c\u00f4ng ngh\u1ec7 hi\u1ec7n \u0111\u1ea1i, mang l\u1ea1i nhi\u1ec1u l\u1ee3i \u00edch, bao g\u1ed3m ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng, nh\u1ecf g\u1ecdn v\u00e0 hi\u1ec3n th\u1ecb \u0111\u1ed9 ph\u00e2n gi\u1ea3i cao.<\/p>\n<h2>L\u1ecbch s\u1eed ngu\u1ed3n g\u1ed1c c\u1ee7a m\u00e0n h\u00ecnh LCD v\u00e0 s\u1ef1 \u0111\u1ec1 c\u1eadp \u0111\u1ea7u ti\u00ean v\u1ec1 n\u00f3<\/h2>\n<p>Kh\u00e1i ni\u1ec7m tinh th\u1ec3 l\u1ecfng l\u1ea7n \u0111\u1ea7u ti\u00ean \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n b\u1edfi nh\u00e0 th\u1ef1c v\u1eadt h\u1ecdc ng\u01b0\u1eddi \u00c1o Friedrich Reinitzer v\u00e0o n\u0103m 1888. Tuy nhi\u00ean, ph\u1ea3i \u0111\u1ebfn n\u0103m 1962, Richard Williams, m\u1ed9t nh\u00e0 khoa h\u1ecdc t\u1ea1i RCA, l\u1ea7n \u0111\u1ea7u ti\u00ean ch\u1ee9ng minh \u0111\u01b0\u1ee3c hi\u1ec7u \u1ee9ng tinh th\u1ec3 l\u1ecfng v\u00e0 kh\u1ea3 n\u0103ng s\u1eed d\u1ee5ng tinh th\u1ec3 l\u1ecfng trong m\u00e0n h\u00ecnh. Thu\u1eadt ng\u1eef \u201cm\u00e0n h\u00ecnh tinh th\u1ec3 l\u1ecfng\u201d \u0111\u01b0\u1ee3c \u0111\u1eb7t ra b\u1edfi George H. Heilmeier, ng\u01b0\u1eddi \u0111\u1ee9ng \u0111\u1ea7u nh\u00f3m nghi\u00ean c\u1ee9u t\u1ea1i RCA \u0111\u00e3 ph\u00e1t tri\u1ec3n m\u00e0n h\u00ecnh LCD th\u1ef1c t\u1ebf \u0111\u1ea7u ti\u00ean v\u00e0o n\u0103m 1968.<\/p>\n<h2>Th\u00f4ng tin chi ti\u1ebft v\u1ec1 m\u00e0n h\u00ecnh LCD: M\u1edf r\u1ed9ng ch\u1ee7 \u0111\u1ec1<\/h2>\n<p>M\u1ed9t m\u00e0n h\u00ecnh LCD bao g\u1ed3m nhi\u1ec1u l\u1edbp ho\u1ea1t \u0111\u1ed9ng c\u00f9ng nhau \u0111\u1ec3 hi\u1ec3n th\u1ecb h\u00ecnh \u1ea3nh. C\u00e1c th\u00e0nh ph\u1ea7n ch\u00ednh l\u00e0:<\/p>\n<ol>\n<li>\n<p><strong>\u0110\u00e8n n\u1ec1n:<\/strong> \u0110\u01b0\u1ee3c \u0111\u1eb7t \u1edf ph\u00eda sau m\u00e0n h\u00ecnh LCD, n\u00f3 cung c\u1ea5p ngu\u1ed3n s\u00e1ng cho m\u00e0n h\u00ecnh.<\/p>\n<\/li>\n<li>\n<p><strong>Ph\u00e2n c\u1ef1c:<\/strong> L\u1edbp \u0111\u1ea7u ti\u00ean ph\u00e2n c\u1ef1c \u00e1nh s\u00e1ng t\u1eeb \u0111\u00e8n n\u1ec1n.<\/p>\n<\/li>\n<li>\n<p><strong>Ch\u1ea5t n\u1ec1n th\u1ee7y tinh:<\/strong> Hai t\u1ea5m k\u00ednh k\u1eb9p l\u1edbp tinh th\u1ec3 l\u1ecfng.<\/p>\n<\/li>\n<li>\n<p><strong>Tinh th\u1ec3 l\u1ecfng:<\/strong> M\u1ed9t ch\u1ea5t n\u1eb1m gi\u1eefa c\u00e1c ch\u1ea5t n\u1ec1n th\u1ee7y tinh v\u00e0 thay \u0111\u1ed5i h\u01b0\u1edbng c\u1ee7a n\u00f3 khi ch\u1ecbu t\u00e1c d\u1ee5ng c\u1ee7a \u0111i\u1ec7n tr\u01b0\u1eddng.<\/p>\n<\/li>\n<li>\n<p><strong>B\u1ed9 l\u1ecdc m\u00e0u:<\/strong> C\u00e1c b\u1ed9 l\u1ecdc n\u00e0y t\u1ea1o ra m\u00e0u s\u1eafc mong mu\u1ed1n cho m\u00e0n h\u00ecnh.<\/p>\n<\/li>\n<li>\n<p><strong>Transistor m\u00e0ng m\u1ecfng (TFT):<\/strong> M\u1ed7i pixel tr\u00ean m\u00e0n h\u00ecnh LCD c\u00f3 m\u00e0n h\u00ecnh LCD ri\u00eang \u0111\u1ec3 ki\u1ec3m so\u00e1t tr\u1ea1ng th\u00e1i c\u1ee7a t\u1eebng pixel.<\/p>\n<\/li>\n<li>\n<p><strong>L\u1edbp c\u0103n ch\u1ec9nh k\u00ednh:<\/strong> N\u00f3 \u0111\u1ea3m b\u1ea3o s\u1ef1 li\u00ean k\u1ebft th\u00edch h\u1ee3p c\u1ee7a tinh th\u1ec3 l\u1ecfng.<\/p>\n<\/li>\n<li>\n<p><strong>Ph\u00e2n c\u1ef1c:<\/strong> M\u1ed9t b\u1ed9 ph\u00e2n c\u1ef1c kh\u00e1c \u1edf ph\u00eda tr\u01b0\u1edbc cho ph\u00e9p \u00e1nh s\u00e1ng \u0111i qua d\u1ef1a tr\u00ean s\u1ef1 \u0111\u1ecbnh h\u01b0\u1edbng c\u1ee7a tinh th\u1ec3 l\u1ecfng.<\/p>\n<\/li>\n<\/ol>\n<h2>C\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a m\u00e0n h\u00ecnh LCD: C\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng<\/h2>\n<p>M\u00e0n h\u00ecnh LCD ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean \u0111\u1eb7c t\u00ednh c\u1ee7a tinh th\u1ec3 l\u1ecfng, c\u00f3 th\u1ec3 thay \u0111\u1ed5i s\u1ef1 li\u00ean k\u1ebft ph\u00e2n t\u1eed c\u1ee7a ch\u00fang \u0111\u1ec3 ph\u1ea3n \u1ee9ng v\u1edbi d\u00f2ng \u0111i\u1ec7n. Khi kh\u00f4ng c\u00f3 \u0111i\u1ec7n \u00e1p, c\u00e1c tinh th\u1ec3 l\u1ecfng s\u1ebd xo\u1eafn \u00e1nh s\u00e1ng t\u1edbi, ng\u0103n kh\u00f4ng cho n\u00f3 \u0111i qua b\u1ea3n ph\u00e2n c\u1ef1c th\u1ee9 hai, d\u1eabn \u0111\u1ebfn m\u1ed9t \u0111i\u1ec3m \u1ea3nh t\u1ed1i. Khi \u0111\u1eb7t \u0111i\u1ec7n \u00e1p v\u00e0o, c\u00e1c tinh th\u1ec3 l\u1ecfng s\u1ebd s\u1eafp x\u1ebfp l\u1ea1i, cho ph\u00e9p \u00e1nh s\u00e1ng \u0111i qua b\u1ea3n ph\u00e2n c\u1ef1c th\u1ee9 hai, t\u1ea1o ra m\u1ed9t \u0111i\u1ec3m \u1ea3nh s\u00e1ng. B\u1eb1ng c\u00e1ch \u0111i\u1ec1u khi\u1ec3n \u0111i\u1ec7n t\u00edch cho t\u1eebng m\u00e0n h\u00ecnh TFT, m\u00e0n h\u00ecnh c\u00f3 th\u1ec3 t\u1ea1o ra nhi\u1ec1u m\u00e0u s\u1eafc v\u00e0 s\u1eafc th\u00e1i kh\u00e1c nhau, t\u1ea1o th\u00e0nh h\u00ecnh \u1ea3nh v\u00e0 video.<\/p>\n<h2>Ph\u00e2n t\u00edch c\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a m\u00e0n h\u00ecnh LCD<\/h2>\n<p>M\u00e0n h\u00ecnh LCD cung c\u1ea5p m\u1ed9t s\u1ed1 t\u00ednh n\u0103ng ch\u00ednh khi\u1ebfn ch\u00fang tr\u1edf n\u00ean ph\u1ed5 bi\u1ebfn trong c\u00e1c \u1ee9ng d\u1ee5ng kh\u00e1c nhau:<\/p>\n<ol>\n<li>\n<p><strong>Hi\u1ec7u su\u1ea5t n\u0103ng l\u01b0\u1ee3ng:<\/strong> M\u00e0n h\u00ecnh LCD ti\u00eau th\u1ee5 \u00edt \u0111i\u1ec7n n\u0103ng h\u01a1n m\u00e0n h\u00ecnh \u1ed1ng tia \u00e2m c\u1ef1c (CRT) truy\u1ec1n th\u1ed1ng, khi\u1ebfn ch\u00fang tr\u1edf n\u00ean l\u00fd t\u01b0\u1edfng cho c\u00e1c thi\u1ebft b\u1ecb di \u0111\u1ed9ng v\u00e0 gi\u1ea3m chi ph\u00ed n\u0103ng l\u01b0\u1ee3ng.<\/p>\n<\/li>\n<li>\n<p><strong>M\u1ecfng v\u00e0 Nh\u1eb9:<\/strong> M\u00e0n h\u00ecnh LCD m\u1ecfng v\u00e0 nh\u1eb9, cho ph\u00e9p s\u1ea3n xu\u1ea5t c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed ki\u1ec3u d\u00e1ng \u0111\u1eb9p v\u00e0 di \u0111\u1ed9ng.<\/p>\n<\/li>\n<li>\n<p><strong>\u0110\u1ed9 ph\u00e2n gi\u1ea3i cao:<\/strong> C\u00f4ng ngh\u1ec7 LCD cho ph\u00e9p hi\u1ec3n th\u1ecb \u0111\u1ed9 ph\u00e2n gi\u1ea3i cao, mang l\u1ea1i h\u00ecnh \u1ea3nh s\u1eafc n\u00e9t v\u00e0 r\u00f5 r\u00e0ng.<\/p>\n<\/li>\n<li>\n<p><strong>Nhi\u1ec1u k\u00edch c\u1ee1:<\/strong> M\u00e0n h\u00ecnh LCD c\u00f3 nhi\u1ec1u k\u00edch c\u1ee1 kh\u00e1c nhau, t\u1eeb m\u00e0n h\u00ecnh nh\u1ecf d\u00e0nh cho thi\u1ebft b\u1ecb di \u0111\u1ed9ng \u0111\u1ebfn m\u00e0n h\u00ecnh l\u1edbn d\u00e0nh cho TV v\u00e0 m\u00e0n h\u00ecnh.<\/p>\n<\/li>\n<li>\n<p><strong>G\u00f3c nh\u00ecn:<\/strong> M\u00e0n h\u00ecnh LCD hi\u1ec7n \u0111\u1ea1i \u0111\u00e3 c\u1ea3i thi\u1ec7n g\u00f3c nh\u00ecn, \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng h\u00ecnh \u1ea3nh nh\u1ea5t qu\u00e1n t\u1eeb c\u00e1c g\u00f3c nh\u00ecn kh\u00e1c nhau.<\/p>\n<\/li>\n<\/ol>\n<h2>C\u00e1c lo\u1ea1i m\u00e0n h\u00ecnh LCD: S\u1eed d\u1ee5ng b\u1ea3ng v\u00e0 danh s\u00e1ch<\/h2>\n<p>M\u00e0n h\u00ecnh LCD c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i d\u1ef1a tr\u00ean nhi\u1ec1u y\u1ebfu t\u1ed1 kh\u00e1c nhau, bao g\u1ed3m c\u00f4ng ngh\u1ec7, \u1ee9ng d\u1ee5ng v\u00e0 kh\u1ea3 n\u0103ng t\u00e1i t\u1ea1o m\u00e0u s\u1eafc. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1c lo\u1ea1i ch\u00ednh:<\/p>\n<h3>D\u1ef1a tr\u00ean c\u00f4ng ngh\u1ec7:<\/h3>\n<ol>\n<li>\n<p><strong>Nematic xo\u1eafn (TN):<\/strong> Th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong m\u00e0n h\u00ecnh m\u00e1y t\u00ednh, m\u00e0n h\u00ecnh TN ti\u1ebft ki\u1ec7m chi ph\u00ed, nhanh v\u00e0 ph\u00f9 h\u1ee3p \u0111\u1ec3 ch\u01a1i game do t\u1ed1c \u0111\u1ed9 l\u00e0m m\u1edbi cao. Tuy nhi\u00ean, ch\u00fang c\u00f3 kh\u1ea3 n\u0103ng t\u00e1i t\u1ea1o m\u00e0u s\u1eafc h\u1ea1n ch\u1ebf v\u00e0 g\u00f3c nh\u00ecn h\u1eb9p h\u01a1n.<\/p>\n<\/li>\n<li>\n<p><strong>Chuy\u1ec3n m\u1ea1ch tr\u00ean m\u1eb7t ph\u1eb3ng (IPS):<\/strong> M\u00e0n h\u00ecnh IPS mang l\u1ea1i \u0111\u1ed9 ch\u00ednh x\u00e1c m\u00e0u s\u1eafc t\u1ed1t h\u01a1n v\u00e0 g\u00f3c nh\u00ecn r\u1ed9ng h\u01a1n, khi\u1ebfn ch\u00fang ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng chuy\u00ean nghi\u1ec7p v\u00e0 \u0111a ph\u01b0\u01a1ng ti\u1ec7n.<\/p>\n<\/li>\n<li>\n<p><strong>C\u0103n ch\u1ec9nh d\u1ecdc (VA):<\/strong> M\u00e0n h\u00ecnh VA \u0111\u1ea1t \u0111\u01b0\u1ee3c s\u1ef1 c\u00e2n b\u1eb1ng gi\u1eefa TN v\u00e0 IPS v\u1edbi kh\u1ea3 n\u0103ng t\u00e1i t\u1ea1o m\u00e0u s\u1eafc, \u0111\u1ed9 t\u01b0\u01a1ng ph\u1ea3n v\u00e0 th\u1eddi gian ph\u1ea3n h\u1ed3i t\u1ed1t.<\/p>\n<\/li>\n<\/ol>\n<h3>D\u1ef1a tr\u00ean \u1ee9ng d\u1ee5ng:<\/h3>\n<ol>\n<li>\n<p><strong>M\u00e0n h\u00ecnh LCD:<\/strong> \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng cho m\u00e0n h\u00ecnh m\u00e1y t\u00ednh v\u00e0 c\u00f3 nhi\u1ec1u k\u00edch c\u1ee1 v\u00e0 \u0111\u1ed9 ph\u00e2n gi\u1ea3i kh\u00e1c nhau.<\/p>\n<\/li>\n<li>\n<p><strong>Tivi LCD:<\/strong> M\u00e0n h\u00ecnh l\u1edbn h\u01a1n v\u1edbi \u0111\u1ed9 ph\u00e2n gi\u1ea3i cao d\u00e0nh cho gi\u1ea3i tr\u00ed gia \u0111\u00ecnh.<\/p>\n<\/li>\n<li>\n<p><strong>M\u00e0n h\u00ecnh LCD c\u1ee7a \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh:<\/strong> M\u00e0n h\u00ecnh nh\u1ecf g\u1ecdn \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho thi\u1ebft b\u1ecb di \u0111\u1ed9ng.<\/p>\n<\/li>\n<\/ol>\n<h3>D\u1ef1a tr\u00ean s\u1ef1 t\u00e1i t\u1ea1o m\u00e0u s\u1eafc:<\/h3>\n<ol>\n<li>\n<p><strong>Gam m\u00e0u ti\u00eau chu\u1ea9n:<\/strong> Cung c\u1ea5p m\u1ed9t lo\u1ea1t c\u00e1c m\u00e0u ti\u00eau chu\u1ea9n ph\u00f9 h\u1ee3p cho s\u1eed d\u1ee5ng chung.<\/p>\n<\/li>\n<li>\n<p><strong>Gam m\u00e0u r\u1ed9ng:<\/strong> Cung c\u1ea5p ph\u1ed5 m\u00e0u r\u1ed9ng h\u01a1n cho c\u00e1c \u1ee9ng d\u1ee5ng chuy\u00ean nghi\u1ec7p nh\u01b0 ch\u1ec9nh s\u1eeda \u1ea3nh v\u00e0 video.<\/p>\n<\/li>\n<\/ol>\n<h2>C\u00e1ch s\u1eed d\u1ee5ng m\u00e0n h\u00ecnh LCD, s\u1ef1 c\u1ed1 v\u00e0 gi\u1ea3i ph\u00e1p<\/h2>\n<p>M\u00e0n h\u00ecnh LCD \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u lo\u1ea1i thi\u1ebft b\u1ecb v\u00e0 \u1ee9ng d\u1ee5ng, bao g\u1ed3m:<\/p>\n<ol>\n<li>\n<p><strong>\u0110i\u1ec7n t\u1eed c\u00e1 nh\u00e2n:<\/strong> \u0110i\u1ec7n tho\u1ea1i th\u00f4ng minh, m\u00e1y t\u00ednh b\u1ea3ng, m\u00e1y \u1ea3nh k\u1ef9 thu\u1eadt s\u1ed1 v\u00e0 m\u00e1y nghe nh\u1ea1c MP3 s\u1eed d\u1ee5ng m\u00e0n h\u00ecnh LCD \u0111\u1ec3 hi\u1ec3n th\u1ecb.<\/p>\n<\/li>\n<li>\n<p><strong>M\u00e0n h\u00ecnh m\u00e1y t\u00ednh:<\/strong> M\u00e0n h\u00ecnh LCD v\u00e0 m\u00e1y t\u00ednh x\u00e1ch tay cung c\u1ea5p \u0111\u1ea7u ra h\u00ecnh \u1ea3nh cho c\u00e1c t\u00e1c v\u1ee5 t\u00ednh to\u00e1n.<\/p>\n<\/li>\n<li>\n<p><strong>Truy\u1ec1n h\u00ecnh v\u00e0 r\u1ea1p h\u00e1t t\u1ea1i nh\u00e0:<\/strong> TV LCD mang \u0111\u1ebfn gi\u1ea3i tr\u00ed ch\u1ea5t l\u01b0\u1ee3ng cao t\u1ea1i nh\u00e0.<\/p>\n<\/li>\n<li>\n<p><strong>Hi\u1ec3n th\u1ecb c\u00f4ng c\u1ed9ng:<\/strong> M\u00e0n h\u00ecnh LCD \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho b\u1ea3ng hi\u1ec7u k\u1ef9 thu\u1eadt s\u1ed1, hi\u1ec3n th\u1ecb th\u00f4ng tin v\u00e0 qu\u1ea3ng c\u00e1o.<\/p>\n<\/li>\n<li>\n<p><strong>C\u00e1c thi\u1ebft b\u1ecb y t\u1ebf:<\/strong> M\u00e0n h\u00ecnh LCD \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c thi\u1ebft b\u1ecb y t\u1ebf \u0111\u1ec3 theo d\u00f5i v\u00e0 ch\u1ea9n \u0111o\u00e1n.<\/p>\n<\/li>\n<\/ol>\n<p>Tuy nhi\u00ean, m\u1ed9t s\u1ed1 v\u1ea5n \u0111\u1ec1 ph\u1ed5 bi\u1ebfn li\u00ean quan \u0111\u1ebfn m\u00e0n h\u00ecnh LCD bao g\u1ed3m:<\/p>\n<ul>\n<li>\n<p><strong>\u0110i\u1ec3m \u1ea3nh ch\u1ebft:<\/strong> C\u00e1c \u0111i\u1ec3m \u1ea3nh kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng d\u1eabn \u0111\u1ebfn xu\u1ea5t hi\u1ec7n c\u00e1c \u0111\u1ed1m \u0111en ho\u1eb7c tr\u1eafng tr\u00ean m\u00e0n h\u00ecnh.<\/p>\n<\/li>\n<li>\n<p><strong>\u0110\u1ed9 b\u1ec1n c\u1ee7a h\u00ecnh \u1ea3nh:<\/strong> Vi\u1ec7c l\u01b0u gi\u1eef t\u1ea1m th\u1eddi h\u00ecnh \u1ea3nh sau khi thay \u0111\u1ed5i m\u00e0n h\u00ecnh, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u201cb\u00f3ng ma\u201d.<\/p>\n<\/li>\n<li>\n<p><strong>Ch\u1ea3y m\u00e1u \u0111\u00e8n n\u1ec1n:<\/strong> S\u1ef1 ph\u00e2n b\u1ed1 \u0111\u00e8n n\u1ec1n kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u, g\u00e2y ra c\u00e1c \u0111i\u1ec3m s\u00e1ng xung quanh vi\u1ec1n m\u00e0n h\u00ecnh.<\/p>\n<\/li>\n<li>\n<p><strong>G\u00f3c nh\u00ecn ph\u1ee5 thu\u1ed9c:<\/strong> M\u1ed9t s\u1ed1 m\u00e0n h\u00ecnh LCD c\u00f3 th\u1ec3 g\u1eb7p hi\u1ec7n t\u01b0\u1ee3ng thay \u0111\u1ed5i m\u00e0u s\u1eafc v\u00e0 \u0111\u1ed9 t\u01b0\u01a1ng ph\u1ea3n khi nh\u00ecn t\u1eeb c\u00e1c g\u00f3c kh\u00e1c nhau.<\/p>\n<\/li>\n<\/ul>\n<p>\u0110\u1ec3 gi\u1ea3i quy\u1ebft nh\u1eefng v\u1ea5n \u0111\u1ec1 n\u00e0y, c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t li\u00ean t\u1ee5c c\u1ea3i ti\u1ebfn quy tr\u00ecnh s\u1ea3n xu\u1ea5t c\u1ee7a h\u1ecd v\u00e0 ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 gi\u1ea3m thi\u1ec3u v\u1ea5n \u0111\u1ec1 b\u1eb1ng c\u00e1ch hi\u1ec7u ch\u1ec9nh m\u00e0n h\u00ecnh v\u00e0 c\u1eadp nh\u1eadt tr\u00ecnh \u0111i\u1ec1u khi\u1ec3n.<\/p>\n<h2>C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh v\u00e0 nh\u1eefng so s\u00e1nh kh\u00e1c v\u1edbi c\u00e1c thu\u1eadt ng\u1eef t\u01b0\u01a1ng t\u1ef1: B\u1ea3ng v\u00e0 danh s\u00e1ch<\/h2>\n<table>\n<thead>\n<tr>\n<th>\u0111\u1eb7c tr\u01b0ng<\/th>\n<th>Man hinh LCD<\/th>\n<th>M\u00e0n h\u00ecnh OLED<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>C\u00f4ng ngh\u1ec7<\/td>\n<td>S\u1eed d\u1ee5ng tinh th\u1ec3 l\u1ecfng<\/td>\n<td>S\u1eed d\u1ee5ng c\u00e1c h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1<\/td>\n<\/tr>\n<tr>\n<td>Ch\u1ea5t l\u01b0\u1ee3ng h\u00ecnh \u1ea3nh<\/td>\n<td>\u0110\u1ed9 ch\u00ednh x\u00e1c m\u00e0u s\u1eafc t\u1ed1t<\/td>\n<td>T\u1ef7 l\u1ec7 t\u01b0\u01a1ng ph\u1ea3n tuy\u1ec7t v\u1eddi<\/td>\n<\/tr>\n<tr>\n<td>S\u1ef1 ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng<\/td>\n<td>Ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng th\u1ea5p h\u01a1n<\/td>\n<td>Ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng h\u01a1n<\/td>\n<\/tr>\n<tr>\n<td>Hi\u1ec7u \u1ee9ng \u0111\u1ed1t ch\u00e1y<\/td>\n<td>Kh\u00f4ng nh\u1ea1y c\u1ea3m<\/td>\n<td>D\u1ec5 b\u1ecb ch\u00e1y<\/td>\n<\/tr>\n<tr>\n<td>Th\u1eddi gian \u0111\u00e1p \u1ee9ng<\/td>\n<td>N\u00f3i chung cao h\u01a1n<\/td>\n<td>Th\u1eddi gian ph\u1ea3n h\u1ed3i nhanh h\u01a1n<\/td>\n<\/tr>\n<tr>\n<td>Tr\u1ecb gi\u00e1<\/td>\n<td>Ti\u1ebft ki\u1ec7m<\/td>\n<td>Th\u01b0\u1eddng \u0111\u1eaft h\u01a1n<\/td>\n<\/tr>\n<tr>\n<td>kh\u1ea3 d\u1ee5ng<\/td>\n<td>T\u00ednh s\u1eb5n c\u00f3 r\u1ed9ng r\u00e3i<\/td>\n<td>Ng\u00e0y c\u00e0ng ph\u1ed5 bi\u1ebfn<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Quan \u0111i\u1ec3m v\u00e0 c\u00f4ng ngh\u1ec7 c\u1ee7a t\u01b0\u01a1ng lai li\u00ean quan \u0111\u1ebfn m\u00e0n h\u00ecnh LCD<\/h2>\n<p>Trong khi c\u00f4ng ngh\u1ec7 OLED \u0111ang ng\u00e0y c\u00e0ng ph\u1ed5 bi\u1ebfn, m\u00e0n h\u00ecnh LCD v\u1eabn l\u00e0 m\u1ed9t nh\u00e2n t\u1ed1 quan tr\u1ecdng tr\u00ean th\u1ecb tr\u01b0\u1eddng m\u00e0n h\u00ecnh nh\u1edd nh\u1eefng \u01b0u \u0111i\u1ec3m v\u00e0 hi\u1ec7u qu\u1ea3 v\u1ec1 chi ph\u00ed. Tuy nhi\u00ean, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u v\u1eabn \u0111ang ti\u1ebfp t\u1ee5c n\u1ed7 l\u1ef1c c\u1ea3i ti\u1ebfn c\u00f4ng ngh\u1ec7 LCD \u0111\u1ec3 c\u1ea1nh tranh v\u1edbi OLED. M\u1ed9t s\u1ed1 ph\u00e1t tri\u1ec3n trong t\u01b0\u01a1ng lai bao g\u1ed3m:<\/p>\n<ol>\n<li>\n<p><strong>\u0110\u00e8n LED mini v\u00e0 \u0111\u00e8n LED si\u00eau nh\u1ecf:<\/strong> Nh\u1eefng c\u00f4ng ngh\u1ec7 m\u1edbi n\u1ed5i n\u00e0y nh\u1eb1m m\u1ee5c \u0111\u00edch t\u0103ng c\u01b0\u1eddng \u0111\u00e8n n\u1ec1n trong m\u00e0n h\u00ecnh LCD, mang l\u1ea1i \u0111\u1ed9 t\u01b0\u01a1ng ph\u1ea3n v\u00e0 m\u1ee9c \u0111\u1ed9 m\u00e0u \u0111en t\u1ed1t h\u01a1n.<\/p>\n<\/li>\n<li>\n<p><strong>Ch\u1ea5m l\u01b0\u1ee3ng t\u1eed:<\/strong> Vi\u1ec7c tri\u1ec3n khai c\u00e1c ch\u1ea5m l\u01b0\u1ee3ng t\u1eed trong m\u00e0n h\u00ecnh LCD c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng t\u00e1i t\u1ea1o m\u00e0u s\u1eafc v\u00e0 m\u1edf r\u1ed9ng gam m\u00e0u.<\/p>\n<\/li>\n<li>\n<p><strong>B\u1ea3ng t\u1ed1c \u0111\u1ed9 l\u00e0m m\u1edbi cao:<\/strong> \u0110\u1ec3 ph\u1ee5c v\u1ee5 th\u1ecb tr\u01b0\u1eddng tr\u00f2 ch\u01a1i v\u00e0 gi\u1ea3i tr\u00ed, m\u00e0n h\u00ecnh LCD v\u1edbi t\u1ed1c \u0111\u1ed9 l\u00e0m m\u1edbi cao h\u01a1n \u0111ang \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n.<\/p>\n<\/li>\n<li>\n<p><strong>M\u00e0n h\u00ecnh LCD linh ho\u1ea1t v\u00e0 c\u00f3 th\u1ec3 g\u1eadp l\u1ea1i:<\/strong> C\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t \u0111ang th\u1eed nghi\u1ec7m c\u00e1c t\u1ea5m n\u1ec1n LCD linh ho\u1ea1t v\u00e0 c\u00f3 th\u1ec3 g\u1eadp l\u1ea1i \u0111\u1ec3 t\u1ea1o ra c\u00e1c thi\u1ebft b\u1ecb di \u0111\u1ed9ng v\u00e0 s\u00e1ng t\u1ea1o.<\/p>\n<\/li>\n<\/ol>\n<h2>C\u00e1ch s\u1eed d\u1ee5ng ho\u1eb7c li\u00ean k\u1ebft m\u00e1y ch\u1ee7 proxy v\u1edbi m\u00e0n h\u00ecnh LCD<\/h2>\n<p>M\u00e1y ch\u1ee7 proxy l\u00e0 c\u00f4ng c\u1ee5 thi\u1ebft y\u1ebfu \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng quy\u1ec1n ri\u00eang t\u01b0, b\u1ea3o m\u1eadt v\u00e0 quy\u1ec1n truy c\u1eadp v\u00e0o n\u1ed9i dung tr\u1ef1c tuy\u1ebfn. M\u1eb7c d\u00f9 ch\u00fang kh\u00f4ng li\u00ean quan tr\u1ef1c ti\u1ebfp \u0111\u1ebfn m\u00e0n h\u00ecnh LCD nh\u01b0ng m\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng tr\u00ean c\u00e1c thi\u1ebft b\u1ecb c\u00f3 m\u00e0n h\u00ecnh LCD \u0111\u1ec3:<\/p>\n<ul>\n<li>\n<p><strong>T\u0103ng c\u01b0\u1eddng quy\u1ec1n ri\u00eang t\u01b0:<\/strong> M\u00e1y ch\u1ee7 proxy \u0111\u00f3ng vai tr\u00f2 trung gian gi\u1eefa thi\u1ebft b\u1ecb c\u1ee7a ng\u01b0\u1eddi d\u00f9ng v\u00e0 internet, \u1ea9n \u0111\u1ecba ch\u1ec9 IP c\u1ee7a ng\u01b0\u1eddi d\u00f9ng v\u00e0 m\u00e3 h\u00f3a l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp internet c\u1ee7a h\u1ecd, t\u1eeb \u0111\u00f3 n\u00e2ng cao quy\u1ec1n ri\u00eang t\u01b0 tr\u1ef1c tuy\u1ebfn.<\/p>\n<\/li>\n<li>\n<p><strong>B\u1ecf qua gi\u1edbi h\u1ea1n \u0111\u1ecba l\u00fd:<\/strong> Ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 truy c\u1eadp n\u1ed9i dung c\u00f3 th\u1ec3 b\u1ecb h\u1ea1n ch\u1ebf ho\u1eb7c ch\u1eb7n trong khu v\u1ef1c c\u1ee7a h\u1ecd b\u1eb1ng c\u00e1ch k\u1ebft n\u1ed1i v\u1edbi m\u00e1y ch\u1ee7 proxy \u0111\u1eb7t \u1edf m\u1ed9t v\u1ecb tr\u00ed \u0111\u1ecba l\u00fd kh\u00e1c.<\/p>\n<\/li>\n<li>\n<p><strong>T\u0103ng t\u1ed1c duy\u1ec7t web:<\/strong> M\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 l\u01b0u v\u00e0o b\u1ed9 nh\u1edb \u0111\u1ec7m n\u1ed9i dung \u0111\u01b0\u1ee3c truy c\u1eadp th\u01b0\u1eddng xuy\u00ean, d\u1eabn \u0111\u1ebfn th\u1eddi gian t\u1ea3i nhanh h\u01a1n v\u00e0 gi\u1ea3m m\u1ee9c s\u1eed d\u1ee5ng b\u0103ng th\u00f4ng.<\/p>\n<\/li>\n<li>\n<p><strong>L\u1ecdc n\u1ed9i dung:<\/strong> C\u00e1c t\u1ed5 ch\u1ee9c th\u01b0\u1eddng s\u1eed d\u1ee5ng m\u00e1y ch\u1ee7 proxy \u0111\u1ec3 th\u1ef1c thi ch\u00ednh s\u00e1ch l\u1ecdc n\u1ed9i dung, ch\u1eb7n quy\u1ec1n truy c\u1eadp v\u00e0o c\u00e1c trang web ho\u1eb7c danh m\u1ee5c n\u1ed9i dung c\u1ee5 th\u1ec3.<\/p>\n<\/li>\n<\/ul>\n<h2>Li\u00ean k\u1ebft li\u00ean quan<\/h2>\n<p>\u0110\u1ec3 bi\u1ebft th\u00eam th\u00f4ng tin v\u1ec1 m\u00e0n h\u00ecnh LCD, b\u1ea1n c\u00f3 th\u1ec3 kh\u00e1m ph\u00e1 c\u00e1c t\u00e0i nguy\u00ean sau:<\/p>\n<ol>\n<li><a href=\"https:\/\/electronics.howstuffworks.com\/lcd.htm\" target=\"_new\" rel=\"noopener nofollow\">HowStuffWorks \u2013 C\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e0n h\u00ecnh LCD<\/a><\/li>\n<li><a href=\"https:\/\/en.wikipedia.org\/wiki\/Liquid-crystal_display\" target=\"_new\" rel=\"noopener nofollow\">Wikipedia - M\u00e0n h\u00ecnh tinh th\u1ec3 l\u1ecfng<\/a><\/li>\n<li><a href=\"https:\/\/www.cnet.com\/tech\/home-entertainment\/lcd-vs-oled-whats-the-difference-and-which-is-better\/\" target=\"_new\" rel=\"noopener nofollow\">LCD so v\u1edbi OLED: S\u1ef1 kh\u00e1c bi\u1ec7t l\u00e0 g\u00ec?<\/a><\/li>\n<li><a href=\"https:\/\/www.displaymate.com\/\" target=\"_new\" rel=\"noopener nofollow\">DisplayMate Technologies \u2013 Cu\u1ed9c \u0111ua c\u00f4ng ngh\u1ec7 hi\u1ec3n th\u1ecb<\/a><\/li>\n<\/ol>","protected":false},"featured_media":468763,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-477808","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>LCD Screen: An Encyclopedia Article<\/mark>","faq_items":[{"question":"What is an LCD screen?","answer":"<p>An LCD screen, short for Liquid Crystal Display, is a flat-panel display technology widely used in electronic devices such as computer monitors, televisions, smartphones, and other consumer electronics. It utilizes liquid crystals to control the passage of light, resulting in the display of images and information.<\/p>"},{"question":"How did the concept of LCD screens originate?","answer":"<p>The concept of liquid crystals was first discovered by the Austrian botanist Friedrich Reinitzer in 1888. However, it wasn't until 1962 when Richard Williams, a scientist at RCA, first demonstrated the liquid crystal effect and the possibility of using liquid crystals in displays. The term \"liquid crystal display\" was coined by George H. Heilmeier, who led the team at RCA that developed the first practical LCD in 1968.<\/p>"},{"question":"How does an LCD screen work?","answer":"<p>An LCD screen comprises several layers, including a backlight, polarizers, glass substrates, liquid crystals, color filters, thin-film transistors (TFTs), and glass alignment layers. When an electric current is applied, the liquid crystals change their orientation, allowing light to pass through and create a bright pixel. By controlling the individual TFTs, the display produces a range of colors and forms images.<\/p>"},{"question":"What are the key features of LCD screens?","answer":"<p>LCD screens offer several key features, including energy efficiency, slim and lightweight design, high resolution, wide viewing angles, and a variety of sizes. They are widely used in various applications, from personal electronics to medical devices and public displays.<\/p>"},{"question":"What are the types of LCD screens?","answer":"<p>LCD screens can be classified based on technology (TN, IPS, VA), application (monitors, TVs, smartphones), and color reproduction (standard color gamut, wide color gamut). Each type offers different characteristics and is suitable for specific purposes.<\/p>"},{"question":"What are some common issues with LCD screens?","answer":"<p>Common issues with LCD screens include dead pixels, image persistence (ghosting), backlight bleeding, and viewing angle dependency. Manufacturers continuously improve their processes to address these issues, and users can mitigate them through calibration and driver updates.<\/p>"},{"question":"What are the future perspectives and technologies related to LCD screens?","answer":"<p>The future of LCD screens includes advancements such as mini-LED and micro-LED technology, quantum dots for improved color reproduction, high refresh rate panels for gaming, and the development of flexible and foldable LCDs for innovative devices.<\/p>"},{"question":"How can proxy servers be associated with LCD screens?","answer":"<p>Proxy servers enhance privacy, bypass geo-restrictions, accelerate web browsing, and filter content on devices with LCD screens. While not directly related, proxy servers play a significant role in improving online experiences.<\/p>"},{"question":"Where can I find more information about LCD screens?","answer":"<p>For more in-depth information about LCD screens, you can explore reputable resources like HowStuffWorks, Wikipedia's Liquid Crystal Display page, and DisplayMate Technologies' Display Technology Shoot-Outs. Additionally, you can refer to OneProxy's comprehensive guide on the topic.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/477808","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/477808\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media\/468763"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media?parent=477808"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}