{"id":560074,"date":"2026-06-29T08:43:19","date_gmt":"2026-06-29T01:43:19","guid":{"rendered":"https:\/\/hoanghamobile.com\/tin-tuc\/?p=560074"},"modified":"2026-06-29T08:43:19","modified_gmt":"2026-06-29T01:43:19","slug":"man-hinh-ipad-bi-ho-sang","status":"publish","type":"post","link":"https:\/\/hoanghamobile.com\/tin-tuc\/man-hinh-ipad-bi-ho-sang\/","title":{"rendered":"M\u00e0n H\u00ecnh iPad B\u1ecb H\u1edf S\u00e1ng: Nguy\u00ean Nh\u00e2n, C\u00e1ch Ki\u1ec3m Tra & X\u1eed L\u00fd 2026"},"content":{"rendered":"

M\u00e0n h\u00ecnh iPad b\u1ecb h\u1edf s\u00e1ng<\/b> (backlight bleed\/light bleed) l\u00e0 hi\u1ec7n t\u01b0\u1ee3ng \u00e1nh s\u00e1ng n\u1ec1n loang ra \u1edf vi\u1ec1n ho\u1eb7c g\u00f3c m\u00e0n h\u00ecnh, th\u1ea5y r\u00f5 nh\u1ea5t khi hi\u1ec3n th\u1ecb n\u1ec1n t\u1ed1i trong ph\u00f2ng t\u1ed1i. M\u1ee9c nh\u1eb9 kh\u00e1 ph\u1ed5 bi\u1ebfn v\u00e0 b\u00ecnh th\u01b0\u1eddng, nh\u01b0ng m\u1ee9c n\u1eb7ng s\u1ebd g\u00e2y kh\u00f3 ch\u1ecbu, \u1ea3nh h\u01b0\u1edfng tr\u1ea3i nghi\u1ec7m xem phim, l\u00e0m vi\u1ec7c. B\u00e0i vi\u1ebft gi\u1ea3i th\u00edch \u0111\u1ea7y \u0111\u1ee7 v\u1ec1 nguy\u00ean nh\u00e2n, c\u00e1ch ki\u1ec3m tra, m\u1ee9c n\u00e0o \u0111\u00e1ng lo, c\u00e1ch gi\u1ea3m c\u1ea3m nh\u1eadn h\u1edf s\u00e1ng v\u00e0 ch\u00ednh s\u00e1ch \u0111\u1ed5i\/b\u1ea3o h\u00e0nh.<\/span><\/p>\n

M\u00e0n h\u00ecnh iPad b\u1ecb h\u1edf s\u00e1ng l\u00e0 g\u00ec?<\/b><\/h2>\n

H\u1edf s\u00e1ng l\u00e0 hi\u1ec7n t\u01b0\u1ee3ng \u00e1nh s\u00e1ng t\u1eeb \u0111\u00e8n n\u1ec1n b\u1ecb r\u00f2 r\u1ec9 kh\u00f4ng \u0111\u1ec1u \u1edf c\u00e1c c\u1ea1nh ho\u1eb7c g\u00f3c c\u1ee7a m\u00e0n h\u00ecnh, t\u1ea1o th\u00e0nh nh\u1eefng v\u1ec7t s\u00e1ng ho\u1eb7c \u0111\u1ed1m s\u00e1ng khi hi\u1ec3n th\u1ecb n\u1ec1n t\u1ed1i. T\u00ecnh tr\u1ea1ng n\u00e0y th\u01b0\u1eddng xu\u1ea5t hi\u1ec7n tr\u00ean c\u00e1c m\u00e0n h\u00ecnh s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 LCD ho\u1eb7c mini-LED do c\u01a1 ch\u1ebf chi\u1ebfu s\u00e1ng t\u1eeb ph\u00eda sau t\u1ea5m n\u1ec1n.<\/span><\/p>\n

\"man-hinh-ipad-bi-ho-sang-1\" <\/p>\n

Ng\u01b0\u1ee3c l\u1ea1i, m\u00e0n h\u00ecnh OLED kh\u00f4ng s\u1eed d\u1ee5ng \u0111\u00e8n n\u1ec1n ri\u00eang m\u00e0 m\u1ed7i \u0111i\u1ec3m \u1ea3nh t\u1ef1 ph\u00e1t s\u00e1ng, n\u00ean kh\u00f4ng g\u1eb7p hi\u1ec7n t\u01b0\u1ee3ng h\u1edf s\u00e1ng theo c\u00e1ch n\u00e0y. Tuy nhi\u00ean, m\u1ee9c \u0111\u1ed9 h\u1edf s\u00e1ng tr\u00ean LCD\/mini-LED c\u00f3 th\u1ec3 kh\u00e1c nhau t\u00f9y theo ch\u1ea5t l\u01b0\u1ee3ng m\u00e0n h\u00ecnh v\u00e0 t\u1eebng thi\u1ebft b\u1ecb c\u1ee5 th\u1ec3.<\/span><\/p>\n

Ph\u00e2n bi\u1ec7t h\u1edf s\u00e1ng v\u1edbi c\u00e1c l\u1ed7i m\u00e0n kh\u00e1c<\/b><\/h2>\n

Hi\u1ec7n t\u01b0\u1ee3ng h\u1edf s\u00e1ng tr\u00ean m\u00e0n h\u00ecnh th\u01b0\u1eddng d\u1ec5 b\u1ecb nh\u1ea7m v\u1edbi m\u1ed9t s\u1ed1 l\u1ed7i hi\u1ec3n th\u1ecb kh\u00e1c, nh\u01b0ng m\u1ed7i v\u1ea5n \u0111\u1ec1 l\u1ea1i c\u00f3 \u0111\u1eb7c \u0111i\u1ec3m ri\u00eang. Vi\u1ec7c ph\u00e2n bi\u1ec7t r\u00f5 h\u1edf s\u00e1ng v\u1edbi c\u00e1c l\u1ed7i m\u00e0n h\u00ecnh ph\u1ed5 bi\u1ebfn gi\u00fap ng\u01b0\u1eddi d\u00f9ng x\u00e1c \u0111\u1ecbnh \u0111\u00fang t\u00ecnh tr\u1ea1ng thi\u1ebft b\u1ecb v\u00e0 c\u00f3 h\u01b0\u1edbng x\u1eed l\u00fd ph\u00f9 h\u1ee3p, tr\u00e1nh nh\u1ea7m l\u1eabn trong qu\u00e1 tr\u00ecnh ki\u1ec3m tra v\u00e0 s\u1eed d\u1ee5ng.\u00a0<\/span><\/p>\n\n\n\n\n\n\n\n
Hi\u1ec7n t\u01b0\u1ee3ng<\/b><\/td>\nBi\u1ec3u hi\u1ec7n<\/b><\/td>\n<\/tr>\n
H\u1edf s\u00e1ng (light bleed)<\/span><\/td>\n\u00c1nh s\u00e1ng loang \u1edf vi\u1ec1n\/g\u00f3c tr\u00ean n\u1ec1n \u0111en<\/span><\/td>\n<\/tr>\n
\u00c1m m\u00e0u (clouding)<\/span><\/td>\nV\u00f9ng s\u00e1ng m\u1edd loang gi\u1eefa m\u00e0n, kh\u00f4ng \u0111\u1ec1u<\/span><\/td>\n<\/tr>\n
\u0110i\u1ec3m ch\u1ebft (dead pixel)<\/span><\/td>\nCh\u1ea5m \u0111en c\u1ed1 \u0111\u1ecbnh tr\u00ean n\u1ec1n s\u00e1ng<\/span><\/td>\n<\/tr>\n
H\u1edf s\u00e1ng do va \u0111\u1eadp<\/span><\/td>\nV\u1ec7t s\u00e1ng m\u1edbi xu\u1ea5t hi\u1ec7n sau khi r\u01a1i\/\u00e9p<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Nguy\u00ean nh\u00e2n iPad b\u1ecb h\u1edf s\u00e1ng<\/b><\/h2>\n

Hi\u1ec7n t\u01b0\u1ee3ng <\/span>m\u00e0n h\u00ecnh iPad b\u1ecb h\u1edf s\u00e1ng<\/b> th\u01b0\u1eddng xu\u1ea5t ph\u00e1t t\u1eeb \u0111\u1eb7c t\u00ednh c\u1ee7a t\u1ea5m n\u1ec1n LCD ho\u1eb7c mini-LED, v\u1ed1n s\u1eed d\u1ee5ng h\u1ec7 th\u1ed1ng \u0111\u00e8n n\u1ec1n chi\u1ebfu t\u1eeb ph\u00eda sau n\u00ean vi\u1ec7c xu\u1ea5t hi\u1ec7n h\u1edf s\u00e1ng nh\u1eb9 \u1edf vi\u1ec1n l\u00e0 \u0111i\u1ec1u kh\u00f3 tr\u00e1nh kh\u1ecfi trong m\u1ed9t s\u1ed1 thi\u1ebft k\u1ebf.<\/span><\/p>\n

Ngo\u00e0i ra, qu\u00e1 tr\u00ecnh l\u1eafp r\u00e1p ho\u1eb7c \u00e9p vi\u1ec1n kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u c\u0169ng c\u00f3 th\u1ec3 khi\u1ebfn \u00e1nh s\u00e1ng b\u1ecb r\u00f2 r\u1ec9 r\u00f5 h\u01a1n \u1edf m\u1ed9t s\u1ed1 khu v\u1ef1c. B\u00ean c\u1ea1nh \u0111\u00f3, c\u00e1c t\u00e1c \u0111\u1ed9ng v\u1eadt l\u00fd nh\u01b0 va \u0111\u1eadp, b\u1ecb \u00e9p m\u1ea1nh ho\u1eb7c l\u00e0m m\u00e1y b\u1ecb cong v\u00eanh c\u0169ng c\u00f3 th\u1ec3 khi\u1ebfn t\u00ecnh tr\u1ea1ng h\u1edf s\u00e1ng tr\u1edf n\u00ean nghi\u00eam tr\u1ecdng h\u01a1n. Trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p, nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng c\u0169ng c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng t\u1ea1m th\u1eddi \u0111\u1ebfn m\u1ee9c \u0111\u1ed9 hi\u1ec3n th\u1ecb c\u1ee7a hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y.<\/span><\/p>\n

C\u00e1ch ki\u1ec3m tra h\u1edf s\u00e1ng m\u00e0n iPad<\/b><\/h2>\n
    \n
  1. M\u1edf <\/span>\u1ea3nh n\u1ec1n \u0111en<\/b> to\u00e0n m\u00e0n h\u00ecnh (ho\u1eb7c d\u00f9ng web hi\u1ec3n th\u1ecb n\u1ec1n \u0111en).<\/span><\/li>\n
  2. V\u00e0o <\/span>ph\u00f2ng t\u1ed1i,<\/b> gi\u1ea3m \u0111\u1ed9 s\u00e1ng xu\u1ed1ng m\u1ee9c v\u1eeba ph\u1ea3i.<\/span><\/li>\n
  3. Quan s\u00e1t k\u1ef9 <\/span>4 g\u00f3c v\u00e0 c\u00e1c c\u1ea1nh<\/b> xem c\u00f3 v\u1ec7t s\u00e1ng loang kh\u00f4ng.<\/span><\/li>\n
  4. Nh\u00ecn \u1edf nhi\u1ec1u g\u00f3c \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 m\u1ee9c \u0111\u1ed9; so v\u1edbi \u0111i\u1ec1u ki\u1ec7n s\u00e1ng b\u00ecnh th\u01b0\u1eddng (th\u01b0\u1eddng kh\u00f4ng th\u1ea5y).<\/span><\/li>\n<\/ol>\n

    \"man-hinh-ipad-bi-ho-sang-2\" <\/p>\n

    M\u1ee9c h\u1edf s\u00e1ng n\u00e0o l\u00e0 b\u00ecnh th\u01b0\u1eddng, m\u1ee9c n\u00e0o \u0111\u00e1ng lo?<\/b><\/h2>\n

    M\u00e0n h\u00ecnh iPad b\u1ecb h\u1edf s\u00e1ng<\/b> l\u00e0 hi\u1ec7n t\u01b0\u1ee3ng kh\u00e1 ph\u1ed5 bi\u1ebfn, \u0111\u1eb7c bi\u1ec7t \u1edf c\u00e1c thi\u1ebft b\u1ecb d\u00f9ng t\u1ea5m n\u1ec1n LCD, v\u00e0 \u1edf m\u1ee9c \u0111\u1ed9 nh\u1eb9 th\u01b0\u1eddng \u0111\u01b0\u1ee3c xem l\u00e0 b\u00ecnh th\u01b0\u1eddng trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t. Tuy nhi\u00ean, khi \u0111\u1ed9 h\u1edf s\u00e1ng qu\u00e1 r\u00f5, lan r\u1ed9ng ho\u1eb7c g\u00e2y \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn tr\u1ea3i nghi\u1ec7m hi\u1ec3n th\u1ecb trong \u0111i\u1ec1u ki\u1ec7n s\u1eed d\u1ee5ng th\u1ef1c t\u1ebf, \u0111\u00f3 c\u00f3 th\u1ec3 l\u00e0 d\u1ea5u hi\u1ec7u \u0111\u00e1ng lo v\u00e0 c\u1ea7n \u0111\u01b0\u1ee3c ki\u1ec3m tra k\u1ef9 h\u01a1n.\u00a0<\/span><\/p>\n\n\n\n\n\n\n
    M\u1ee9c \u0111\u1ed9<\/b><\/td>\n\u0110\u00e1nh gi\u00e1 & x\u1eed l\u00fd<\/b><\/td>\n<\/tr>\n
    Nh\u1eb9 (ch\u1ec9 th\u1ea5y khi n\u1ec1n \u0111en, ph\u00f2ng t\u1ed1i, \u0111\u1ed9 s\u00e1ng cao)<\/span><\/td>\nB\u00ecnh th\u01b0\u1eddng, kh\u00f4ng c\u1ea7n lo<\/span><\/td>\n<\/tr>\n
    V\u1eeba (h\u01a1i kh\u00f3 ch\u1ecbu khi xem phim n\u1ec1n t\u1ed1i)<\/span><\/td>\nGi\u1ea3m \u0111\u1ed9 s\u00e1ng, theo d\u00f5i<\/span><\/td>\n<\/tr>\n
    N\u1eb7ng (v\u1ec7t s\u00e1ng r\u00f5 c\u1ea3 khi d\u00f9ng b\u00ecnh th\u01b0\u1eddng)<\/span><\/td>\nC\u00e2n nh\u1eafc \u0111\u1ed5i m\u00e1y\/b\u1ea3o h\u00e0nh<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    C\u00e1ch gi\u1ea3m c\u1ea3m nh\u1eadn h\u1edf s\u00e1ng<\/b><\/h2>\n

    \u0110\u1ec3 gi\u1ea3m c\u1ea3m nh\u1eadn hi\u1ec7n t\u01b0\u1ee3ng h\u1edf s\u00e1ng tr\u00ean m\u00e1y t\u00ednh b\u1ea3ng iPad<\/a>, b\u1ea1n n\u00ean \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng m\u00e0n h\u00ecnh \u1edf m\u1ee9c v\u1eeba ph\u1ea3i \u0111\u1ec3 h\u1ea1n ch\u1ebf vi\u1ec7c \u00e1nh s\u00e1ng vi\u1ec1n b\u1ecb l\u1ed9 r\u00f5, \u0111\u1eb7c bi\u1ec7t khi s\u1eed d\u1ee5ng trong m\u00f4i tr\u01b0\u1eddng t\u1ed1i. Vi\u1ec7c n\u00e0y gi\u00fap h\u00ecnh \u1ea3nh hi\u1ec3n th\u1ecb c\u00e2n b\u1eb1ng h\u01a1n v\u00e0 gi\u1ea3m s\u1ef1 ch\u00fa \u00fd v\u00e0o c\u00e1c v\u00f9ng s\u00e1ng kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u.<\/span><\/p>\n

    B\u00ean c\u1ea1nh \u0111\u00f3, n\u00ean b\u1eadt True Tone ho\u1eb7c Night Shift \u0111\u1ec3 l\u00e0m d\u1ecbu t\u00f4ng m\u00e0u hi\u1ec3n th\u1ecb, gi\u00fap gi\u1ea3m c\u1ea3m gi\u00e1c ch\u00f3i \u1edf m\u00e9p m\u00e0n h\u00ecnh. \u0110\u1ed3ng th\u1eddi, s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb trong m\u00f4i tr\u01b0\u1eddng \u0111\u1ee7 \u00e1nh s\u00e1ng s\u1ebd khi\u1ebfn hi\u1ec7n t\u01b0\u1ee3ng h\u1edf s\u00e1ng \u00edt b\u1ecb nh\u1eadn th\u1ea5y h\u01a1n, v\u00e0 c\u1ea7n tr\u00e1nh va \u0111\u1eadp ho\u1eb7c t\u00e1c \u0111\u1ed9ng l\u1ef1c m\u1ea1nh \u0111\u1ec3 kh\u00f4ng l\u00e0m t\u00ecnh tr\u1ea1ng tr\u1edf n\u00ean nghi\u00eam tr\u1ecdng h\u01a1n.<\/span><\/p>\n

    L\u01b0u \u00fd: h\u1edf s\u00e1ng kh\u00f4ng th\u1ec3 “s\u1eeda” b\u1eb1ng ph\u1ea7n m\u1ec1m. N\u1ebfu n\u1eb7ng v\u00e0 m\u00e1y c\u00f2n b\u1ea3o h\u00e0nh, n\u00ean ki\u1ec3m tra ch\u00ednh s\u00e1ch \u0111\u1ed5i m\u00e0n c\u1ee7a Apple\/n\u01a1i b\u00e1n.<\/span><\/i><\/p>\n

    Ch\u00ednh s\u00e1ch \u0111\u1ed5i\/b\u1ea3o h\u00e0nh khi iPad h\u1edf s\u00e1ng n\u1eb7ng<\/b><\/h2>\n

    Hi\u1ec7n t\u01b0\u1ee3ng <\/span>m\u00e0n h\u00ecnh iPad b\u1ecb h\u1edf s\u00e1ng<\/b> th\u01b0\u1eddng kh\u00f4ng \u0111\u01b0\u1ee3c xem l\u00e0 l\u1ed7i \u0111\u1ec3 b\u1ea3o h\u00e0nh, v\u00ec \u0111\u00e2y \u0111\u01b0\u1ee3c coi l\u00e0 \u0111\u1eb7c t\u00ednh c\u1ee7a m\u00e0n h\u00ecnh LCD. Tuy nhi\u00ean, m\u1ee9c \u0111\u1ed9 c\u00f3 th\u1ec3 kh\u00e1c nhau t\u00f9y t\u1eebng thi\u1ebft b\u1ecb v\u00e0 t\u1eebng tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng.<\/span><\/p>\n

    \"man-hinh-ipad-bi-ho-sang-3\" <\/p>\n

    Trong tr\u01b0\u1eddng h\u1ee3p h\u1edf s\u00e1ng n\u1eb7ng, xu\u1ea5t hi\u1ec7n v\u1ec7t s\u00e1ng r\u00f5 r\u00e0ng ngay c\u1ea3 khi s\u1eed d\u1ee5ng b\u00ecnh th\u01b0\u1eddng, ng\u01b0\u1eddi d\u00f9ng n\u00ean mang m\u00e1y \u0111\u1ebfn trung t\u00e2m b\u1ea3o h\u00e0nh ho\u1eb7c n\u01a1i b\u00e1n \u0111\u1ec3 \u0111\u01b0\u1ee3c ki\u1ec3m tra. V\u1edbi m\u00e1y m\u1edbi trong th\u1eddi gian \u0111\u1ea7u s\u1eed d\u1ee5ng, nhi\u1ec1u ch\u00ednh s\u00e1ch \u0111\u1ed5i tr\u1ea3 c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng n\u1ebfu x\u00e1c \u0111\u1ecbnh l\u1ed7i m\u00e0n h\u00ecnh r\u00f5 r\u00e0ng, v\u00ec v\u1eady c\u1ea7n gi\u1eef h\u00f3a \u0111\u01a1n v\u00e0 ki\u1ec3m tra k\u1ef9 \u0111i\u1ec1u ki\u1ec7n b\u1ea3o h\u00e0nh\/\u0111\u1ed5i tr\u1ea3.<\/span><\/p>\n

    Kinh nghi\u1ec7m mua iPad tr\u00e1nh h\u1edf s\u00e1ng n\u1eb7ng<\/b><\/h2>\n