{"id":431269,"date":"2025-02-03T07:22:34","date_gmt":"2025-02-03T00:22:34","guid":{"rendered":"https:\/\/hoanghamobile.com\/tin-tuc\/?p=431269"},"modified":"2025-02-03T07:22:34","modified_gmt":"2025-02-03T00:22:34","slug":"man-hinh-tivi","status":"publish","type":"post","link":"https:\/\/hoanghamobile.com\/tin-tuc\/man-hinh-tivi\/","title":{"rendered":"Ph\u00e2n bi\u1ec7t c\u00e1c lo\u1ea1i c\u00f4ng ngh\u1ec7 m\u00e0n h\u00ecnh tivi ph\u1ed5 bi\u1ebfn nh\u1ea5t hi\u1ec7n nay"},"content":{"rendered":"

B\u1ea1n c\u00f3 th\u1ec3 s\u1ebd g\u1eb7p nhi\u1ec1u kh\u00f3 kh\u0103n \u0111\u1ec3 l\u1ef1a ch\u1ecdn \u0111\u01b0\u1ee3c m\u1ed9t chi\u1ebfc tivi ph\u00f9 h\u1ee3p trong b\u1ed1i c\u1ea3nh c\u00f4ng ngh\u1ec7 <\/span>m\u00e0n h\u00ecnh tivi<\/b> ng\u00e0y c\u00e0ng \u0111a d\u1ea1ng. V\u1edbi nh\u1eefng ng\u01b0\u1eddi kh\u00f4ng chuy\u00ean, vi\u1ec7c nh\u1eadn bi\u1ebft hay ph\u00e2n bi\u1ec7t c\u00e1c c\u00f4ng ngh\u1ec7 m\u00e0n h\u00ecnh n\u00e0y s\u1ebd l\u00e0 m\u1ed9t th\u00e1ch th\u1ee9c l\u1edbn. Tuy nhi\u00ean, v\u1ea5n \u0111\u1ec1 n\u00e0y s\u1ebd \u0111\u01b0\u1ee3c \u0111\u01a1n gi\u1ea3n h\u00f3a sau khi b\u1ea1n n\u1eafm b\u1eaft t\u1ea5t c\u1ea3 n\u1ed9i dung m\u00e0 ch\u00fang ta s\u1ebd t\u00ecm hi\u1ec3u ngay sau \u0111\u00e2y.<\/span><\/p>\n

M\u00e0n h\u00ecnh tivi LCD<\/b><\/h2>\n

LCD l\u00e0 vi\u1ebft t\u1eaft c\u1ee7a Liquid Crystal Display, m\u1ed9t t\u1ea5m ph\u1eb3ng c\u1ee5 th\u1ec3 cho ph\u00e9p ho\u1eb7c ch\u1eb7n \u00e1nh s\u00e1ng \u0111i qua. C\u00e1c t\u1ea5m \u0111\u01b0\u1ee3c t\u1ea1o th\u00e0nh t\u1eeb c\u00e1c kh\u1ed1i ph\u00e2n \u0111o\u1ea1n ch\u1ee9a \u0111\u1ea7y tinh th\u1ec3 l\u1ecfng. \u0110\u1ed9 trong su\u1ed1t v\u00e0 m\u00e0u s\u1eafc c\u1ee7a c\u00e1c kh\u1ed1i c\u00f3 th\u1ec3 thay \u0111\u1ed5i b\u1eb1ng c\u00e1ch gi\u1ea3m ho\u1eb7c t\u0103ng d\u00f2ng \u0111i\u1ec7n. \u0110\u1ec3 nh\u00ecn th\u1ea5y nh\u1eefng m\u00e0u n\u00e0y, b\u1ea1n c\u1ea7n \u00e1nh s\u00e1ng – nh\u01b0 b\u00f3ng \u0111\u00e8n hu\u1ef3nh quang \u1edf c\u00e1c m\u1eabu c\u0169 ho\u1eb7c \u0111\u00e8n LED (\u0111i\u1ed1t ph\u00e1t s\u00e1ng) l\u1edbn \u1edf Tivi hi\u1ec7n \u0111\u1ea1i.<\/span><\/p>\n

\"M\u00e0n<\/picture><\/p>\n

Nh\u1eefng l\u00fd do t\u1ed1t nh\u1ea5t \u0111\u1ec3 ch\u1ecdn Tivi LCD l\u00e0 \u0111\u1ed9 ph\u00e2n gi\u1ea3i cao, \u0111\u1ed9 n\u00e9t cao, m\u00e0u s\u1eafc tuy\u1ec7t v\u1eddi, hi\u1ec7u qu\u1ea3 n\u0103ng l\u01b0\u1ee3ng, \u0111\u1ed9 t\u01b0\u01a1ng ph\u1ea3n t\u1ed1t h\u01a1n v\u00e0 kh\u00f4ng b\u1ecb l\u01b0u \u1ea3nh m\u00e0n h\u00ecnh sau th\u1eddi gian d\u00e0i s\u1eed d\u1ee5ng. Nh\u01b0ng nh\u01b0\u1ee3c \u0111i\u1ec3m l\u00e0 g\u00f3c nh\u00ecn v\u00e0 \u0111\u1ed9 s\u00e1ng h\u1ea1n ch\u1ebf.<\/span><\/p>\n

V\u00ec nh\u1eefng \u01b0u v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m n\u00e0y, Tivi LCD r\u1ea5t ph\u00f9 h\u1ee3p v\u1edbi ph\u00f2ng kh\u00e1ch c\u1ee7a b\u1ea1n khi ng\u1ed3i tr\u1ef1c ti\u1ebfp tr\u01b0\u1edbc m\u00e0n h\u00ecnh, nh\u01b0ng kh\u00f4ng ph\u1ea3i l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1t nh\u1ea5t khi b\u1ea1n c\u1ea7n xem t\u1eeb nhi\u1ec1u g\u00f3c \u0111\u1ed9, v\u00ed d\u1ee5 n\u1ebfu b\u1ea1n \u0111ang c\u00f3 k\u1ebf ho\u1ea1ch s\u1eed d\u1ee5ng m\u00e1y ch\u01a1i game.<\/span><\/p>\n

M\u00e0n h\u00ecnh tivi LED<\/b><\/h2>\n

M\u1eb7c d\u00f9 nhi\u1ec1u ng\u01b0\u1eddi ngh\u0129 r\u1eb1ng Tivi LED l\u00e0 m\u1ed9t \u0111\u1ecbnh d\u1ea1ng Tivi m\u1edbi, nh\u01b0ng c\u00e1c s\u1ea3n ph\u1ea9m \u0111\u00e3 xu\u1ea5t hi\u1ec7n t\u1eeb l\u00e2u. C\u00f4ng ngh\u1ec7 n\u00e0y ch\u1ec9 \u0111\u01a1n gi\u1ea3n l\u00e0 phi\u00ean b\u1ea3n c\u1eadp nh\u1eadt c\u1ee7a th\u1ebf h\u1ec7 LCD. C\u1ea3 Tivi LED v\u00e0 LCD \u0111\u1ec1u s\u1eed d\u1ee5ng c\u00f9ng m\u1ed9t c\u00f4ng ngh\u1ec7.<\/span><\/p>\n

Thay v\u00ec \u0111\u01b0\u1ee3c chi\u1ebfu s\u00e1ng b\u1eb1ng b\u00f3ng \u0111\u00e8n hu\u1ef3nh quang nh\u01b0 m\u00e0n h\u00ecnh LCD, m\u00e0n h\u00ecnh LED \u0111\u01b0\u1ee3c chi\u1ebfu s\u00e1ng b\u1eb1ng nhi\u1ec1u \u0111\u00e8n LED (\u0111i\u1ed1t ph\u00e1t quang). Nh\u1eefng chi\u1ebfc Tivi n\u00e0y h\u1eb9p h\u01a1n v\u00e0 hi\u1ec7u qu\u1ea3 h\u01a1n do \u0111\u00e8n LED c\u00f3 k\u00edch th\u01b0\u1edbc nh\u1ecf h\u01a1n v\u00e0 \u00edt t\u1ed1n n\u0103ng l\u01b0\u1ee3ng h\u01a1n.\u00a0<\/span><\/p>\n

\"M\u00e0n<\/picture><\/p>\n

G\u00f3c nh\u00ecn v\u00e0 kh\u1ea3 n\u0103ng hi\u1ec3n th\u1ecb h\u00ecnh \u1ea3nh \u0111en v\u00e0 \u0111\u1ed9 s\u00e1ng \u0111\u1ec1u \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n so v\u1edbi c\u00e1c th\u1ebf h\u1ec7 LCD tr\u01b0\u1edbc. Ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 g\u1eb7p m\u1ed9t s\u1ed1 kh\u00f3 kh\u0103n khi g\u1eafn Tivi LED l\u00ean t\u01b0\u1eddng, nh\u01b0ng ngo\u00e0i ra, \u0111\u00e2y l\u00e0 lo\u1ea1i m\u00e0n h\u00ecnh to\u00e0n di\u1ec7n m\u00e0 kh\u00f4ng c\u00f3 c\u00e1c v\u1ea5n \u0111\u1ec1 c\u1ed1 h\u1eefu c\u1ee7a c\u00f4ng ngh\u1ec7 c\u0169.<\/span><\/p>\n

Ngo\u00e0i ra, tivi LED c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chia th\u00e0nh hai lo\u1ea1i: Tivi LED chi\u1ebfu s\u00e1ng c\u1ea1nh v\u00e0 Tivi LED chi\u1ebfu s\u00e1ng tr\u1ef1c ti\u1ebfp t\u1eeb ph\u00eda sau.<\/span><\/p>\n

M\u00e0n h\u00ecnh tivi QLED<\/b><\/h2>\n

QLED l\u00e0 \u0111\u1ea1i di\u1ec7n cho \u0111\u1ec9nh cao v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng trong c\u00e1c Tivi c\u1ee7a Samsung, v\u1edbi m\u1ed9t s\u1ed1 m\u1eabu QLED c\u00f3 \u0111\u1ed9 ph\u00e2n gi\u1ea3i 8K v\u00e0 mang l\u1ea1i ch\u1ea5t l\u01b0\u1ee3ng h\u00ecnh \u1ea3nh \u0111\u1eb7c bi\u1ec7t. QLED l\u00e0 vi\u1ebft t\u1eaft c\u1ee7a Tivi LED ch\u1ea5m l\u01b0\u1ee3ng t\u1eed. \u0110\u00e2y l\u00e0 m\u1ed9t bi\u1ebfn th\u1ec3 c\u1ee7a LED, d\u1ef1a tr\u00ean \u0111\u00e8n n\u1ec1n. Khi \u00e1nh s\u00e1ng t\u1eeb \u0111\u00e8n n\u1ec1n LED chi\u1ebfu v\u00e0o c\u00e1c ch\u1ea5m l\u01b0\u1ee3ng t\u1eed – c\u00e1c ph\u00e2n t\u1eed c\u1ef1c nh\u1ecf b\u00ean trong m\u00e0n h\u00ecnh – c\u00e1c ch\u1ea5m l\u01b0\u1ee3ng t\u1eed ph\u00e1t ra c\u00e1c \u00e1nh s\u00e1ng c\u00f3 m\u00e0u kh\u00e1c nhau. <\/span><\/p>\n

M\u1eb7c d\u00f9 Samsung s\u1eed d\u1ee5ng thu\u1eadt ng\u1eef QLED, nh\u01b0ng c\u00e1c nh\u00e0 s\u00e1ng t\u1ea1o Tivi kh\u00e1c nh\u01b0 Hisense v\u00e0 Vizio c\u0169ng s\u1eed d\u1ee5ng ch\u1ea5m l\u01b0\u1ee3ng t\u1eed trong Tivi LCD, do \u0111\u00f3, \u0111\u00e2y kh\u00f4ng ph\u1ea3i l\u00e0 c\u00f4ng ngh\u1ec7 \u0111\u1ed9c quy\u1ec1n c\u1ee7a Samsung.\u00a0<\/span><\/p>\n

\"M\u00e0n<\/picture><\/p>\n

Ngo\u00e0i \u0111\u1ed9 ph\u00e2n gi\u1ea3i tuy\u1ec7t \u0111\u1ec9nh, c\u00f2n c\u00f3 m\u1ed9t s\u1ed1 l\u00fd do khi\u1ebfn ng\u01b0\u1eddi ta c\u00f3 th\u1ec3 ch\u1ecdn Tivi QLED. \u0110\u1ea7u ti\u00ean, \u0111\u1ed9 s\u00e1ng c\u1ee7a Tivi n\u00e0y s\u00e1ng h\u01a1n kho\u1ea3ng 50 \u0111\u1ebfn 100 l\u1ea7n so v\u1edbi LCD. Th\u00eam v\u00e0o \u0111\u00f3, n\u00f3 s\u1eed d\u1ee5ng \u00edt \u0111i\u1ec7n n\u0103ng h\u01a1n c\u00e1c lo\u1ea1i m\u00e0n h\u00ecnh kh\u00e1c – v\u00ed d\u1ee5, QLED ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng h\u01a1n m\u00e0n h\u00ecnh OLED t\u1edbi hai l\u1ea7n.<\/span><\/p>\n

QLED c\u0169ng tr\u00e1nh \u0111\u01b0\u1ee3c nguy c\u01a1 m\u00e0n h\u00ecnh b\u1ecb ch\u00e1y \u0111\u00e1ng s\u1ee3 th\u01b0\u1eddng g\u1eb7p \u1edf nhi\u1ec1u lo\u1ea1i m\u00e0n h\u00ecnh kh\u00e1c. Tuy nhi\u00ean, lo\u1ea1i m\u00e0n h\u00ecnh n\u00e0y c\u1ea7n \u0111\u00e8n n\u1ec1n gi\u1ed1ng nh\u01b0 m\u00e0n h\u00ecnh LED ti\u00eau chu\u1ea9n. \u0110\u00f4i khi m\u00e0u xanh c\u00f3 th\u1ec3 h\u01a1i l\u1ec7ch (\u00edt b\u00e3o h\u00f2a h\u01a1n) v\u00e0 m\u1ed9t s\u1ed1 m\u00e0n h\u00ecnh QLED b\u1ecb ch\u1ea3y m\u00e0u – m\u1ed9t l\u1edbp s\u01b0\u01a1ng m\u1edd nh\u1eb9 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00e1c v\u1eadt th\u1ec3 trong c\u1ea3nh. Tuy nhi\u00ean, x\u00e9t cho c\u00f9ng, QLED l\u00e0 m\u1ed9t b\u01b0\u1edbc ti\u1ebfn r\u00f5 r\u00e0ng so v\u1edbi LED.\u00a0<\/span><\/p>\n

M\u00e0n h\u00ecnh tivi OLED<\/b><\/h2>\n

OLED l\u00e0 vi\u1ebft t\u1eaft c\u1ee7a \u0111i\u1ed1t ph\u00e1t s\u00e1ng h\u1eefu c\u01a1 v\u00e0 s\u1eed d\u1ee5ng c\u00e1c v\u1eadt li\u1ec7u h\u1eefu c\u01a1, ch\u1eb3ng h\u1ea1n nh\u01b0 carbon, \u0111\u1ec3 t\u1ea1o ra \u00e1nh s\u00e1ng khi \u0111\u01b0\u1ee3c cung c\u1ea5p tr\u1ef1c ti\u1ebfp b\u1edfi d\u00f2ng \u0111i\u1ec7n. Tivi OLED kh\u00f4ng c\u1ea7n \u0111\u00e8n n\u1ec1n \u0111\u1ec3 chi\u1ebfu s\u00e1ng khu v\u1ef1c m\u00e0n h\u00ecnh (kh\u00f4ng gi\u1ed1ng nh\u01b0 LED v\u00e0 QLED). Nh\u1edd \u0111\u00f3, Tivi OLED c\u00f3 th\u1ec3 r\u1ea5t m\u1ecfng v\u00e0 th\u1eadm ch\u00ed linh ho\u1ea1t, v\u1edbi m\u1ed9t s\u1ed1 m\u1eabu m\u00e0n h\u00ecnh cong.<\/span><\/p>\n

Do c\u00e1c khu v\u1ef1c ri\u00eang l\u1ebb \u0111\u01b0\u1ee3c chi\u1ebfu s\u00e1ng tr\u1ef1c ti\u1ebfp ch\u1ee9 kh\u00f4ng ph\u1ea3i t\u1eeb ngu\u1ed3n b\u00ean ngo\u00e0i, m\u00e0u s\u1eafc v\u00e0 \u0111\u1ed9 t\u01b0\u01a1ng ph\u1ea3n c\u1ee7a Tivi OLED c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng t\u1ed1t h\u01a1n so v\u1edbi \u0111\u00e8n LED th\u00f4ng th\u01b0\u1eddng. OLED x\u1eed l\u00fd h\u00ecnh \u1ea3nh nhanh h\u01a1n b\u1eb1ng c\u00e1ch t\u1ea1o ra m\u00e0u s\u1eafc s\u00e2u h\u01a1n v\u00e0 \u0111\u1ed9 t\u01b0\u01a1ng ph\u1ea3n s\u1eafc n\u00e9t.\u00a0<\/span><\/p>\n

\"M\u00e0n<\/picture><\/p>\n

B\u1ea3ng so s\u00e1nh t\u00f3m t\u1eaft c\u00f4ng ngh\u1ec7 hi\u1ec3n th\u1ecb c\u1ee7a c\u00e1c m\u00e0n h\u00ecnh tivi kh\u00e1c nhau<\/b><\/h2>\n

D\u01b0\u1edbi \u0111\u00e2y l\u00e0 b\u1ea3ng t\u00f3m t\u1eaft so s\u00e1nh c\u00e1c c\u00f4ng ngh\u1ec7 hi\u1ec3n th\u1ecb c\u1ee7a m\u00e0n h\u00ecnh TV ph\u1ed5 bi\u1ebfn:<\/span><\/p>\n\n\n\n\n\n\n\n
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C\u00f4ng ngh\u1ec7 hi\u1ec3n th\u1ecb<\/b><\/p>\n<\/td>\n

M\u00f4 t\u1ea3<\/b><\/td>\nC\u00e1c t\u00ednh n\u0103ng ch\u00ednh<\/b><\/td>\n\u01afu \u0111i\u1ec3m<\/b><\/td>\nNh\u01b0\u1ee3c \u0111i\u1ec3m<\/b><\/td>\n<\/tr>\n
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LCD<\/span><\/p>\n<\/td>\n

S\u1eed d\u1ee5ng tinh th\u1ec3 l\u1ecfng v\u00e0 \u0111\u00e8n n\u1ec1n \u0111\u1ec3 t\u1ea1o ra h\u00ecnh \u1ea3nh.<\/span><\/td>\nGi\u00e1 c\u1ea3 ph\u1ea3i ch\u0103ng, ph\u1ed5 bi\u1ebfn r\u1ed9ng r\u00e3i, ch\u1ea5t l\u01b0\u1ee3ng h\u00ecnh \u1ea3nh t\u1ed1t, \u0111\u1ed9 t\u01b0\u01a1ng ph\u1ea3n th\u1ea5p.<\/span><\/td>\n\n
    \n
  • Gi\u00e1 r\u1ebb, ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng<\/span><\/li>\n
  • \u0110\u1ed9 b\u1ec1n cao<\/span><\/li>\n<\/ul>\n<\/td>\n
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    \n
  • G\u00f3c nh\u00ecn h\u1ea1n ch\u1ebf<\/span><\/li>\n
  • Ch\u1ea5t l\u01b0\u1ee3ng m\u00e0u \u0111en kh\u00f4ng s\u00e2u<\/span><\/li>\n<\/ul>\n<\/td>\n<\/tr>\n
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LED<\/span><\/p>\n<\/td>\n

Phi\u00ean b\u1ea3n n\u00e2ng cao c\u1ee7a m\u00e0n h\u00ecnh LCD c\u00f3 \u0111\u00e8n n\u1ec1n LED.<\/span><\/td>\nHi\u1ec7u qu\u1ea3 n\u0103ng l\u01b0\u1ee3ng t\u1ed1t h\u01a1n, \u0111\u1ed9 s\u00e1ng \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n v\u00e0 thi\u1ebft k\u1ebf m\u1ecfng h\u01a1n.<\/span><\/td>\n\n
    \n
  • M\u00e0u s\u1eafc s\u00e1ng, ti\u1ebft ki\u1ec7m \u0111i\u1ec7n<\/span><\/li>\n
  • Tu\u1ed5i th\u1ecd d\u00e0i h\u01a1n LCD<\/span><\/li>\n<\/ul>\n<\/td>\n
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    \n
  • V\u1eabn b\u1ecb h\u1ea1n ch\u1ebf v\u1ec1 \u0111\u1ed9 t\u01b0\u01a1ng ph\u1ea3n<\/span><\/li>\n
  • Ch\u1ea5t l\u01b0\u1ee3ng h\u00ecnh \u1ea3nh kh\u00f4ng b\u1eb1ng OLED<\/span><\/li>\n<\/ul>\n<\/td>\n<\/tr>\n
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OLED<\/span><\/p>\n<\/td>\n

S\u1eed d\u1ee5ng c\u00e1c h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 ph\u00e1t s\u00e1ng khi c\u00f3 d\u00f2ng \u0111i\u1ec7n ch\u1ea1y qua.<\/span><\/td>\nCh\u1ea5t l\u01b0\u1ee3ng h\u00ecnh \u1ea3nh v\u01b0\u1ee3t tr\u1ed9i, m\u00e0u \u0111en s\u00e2u h\u01a1n, \u0111\u1ed9 t\u01b0\u01a1ng ph\u1ea3n t\u1ed1t h\u01a1n v\u00e0 g\u00f3c nh\u00ecn r\u1ed9ng h\u01a1n.<\/span><\/td>\n\n
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  • M\u00e0u s\u1eafc ch\u00e2n th\u1ef1c, g\u00f3c nh\u00ecn r\u1ed9ng<\/span><\/li>\n
  • M\u00e0u \u0111en s\u00e2u tuy\u1ec7t \u0111\u1ed1i<\/span><\/li>\n<\/ul>\n<\/td>\n
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    \n
  • Gi\u00e1 th\u00e0nh cao<\/span><\/li>\n
  • D\u1ec5 b\u1ecb l\u01b0u \u1ea3nh (burn-in)<\/span><\/li>\n<\/ul>\n<\/td>\n<\/tr>\n
QLED<\/span><\/td>\nS\u1eed d\u1ee5ng ch\u1ea5m l\u01b0\u1ee3ng t\u1eed \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng m\u00e0u s\u1eafc v\u00e0 \u0111\u1ed9 s\u00e1ng.<\/span><\/td>\n\u0110\u1ed9 ch\u00ednh x\u00e1c m\u00e0u s\u1eafc v\u01b0\u1ee3t tr\u1ed9i, \u0111\u1ed9 s\u00e1ng cao, tuy\u1ec7t v\u1eddi cho n\u1ed9i dung HDR.<\/span><\/td>\n\n
    \n
  • \u0110\u1ed9 s\u00e1ng cao, d\u1ea3i m\u00e0u r\u1ed9ng<\/span><\/li>\n
  • \u0110\u1ed9 b\u1ec1n t\u1ed1t h\u01a1n OLED<\/span><\/li>\n<\/ul>\n<\/td>\n
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Ch\u1ea5t l\u01b0\u1ee3ng m\u00e0u \u0111en kh\u00f4ng s\u00e2u b\u1eb1ng OLED<\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Ghi ch\u00fa:<\/b><\/p>\n