{"id":10510,"date":"2026-07-22T08:00:00","date_gmt":"2026-07-22T01:00:00","guid":{"rendered":"https:\/\/adszone.vn\/?p=10510"},"modified":"2026-07-20T17:15:16","modified_gmt":"2026-07-20T10:15:16","slug":"tam-nen-quantum-dot","status":"publish","type":"post","link":"https:\/\/adszone.vn\/en\/tam-nen-quantum-dot\/","title":{"rendered":"T\u1ea5m n\u1ec1n Quantum Dot l\u00e0 g\u00ec? So s\u00e1nh QLED, NanoCell"},"content":{"rendered":"

V\u00ec sao hai TV c\u00f9ng d\u00f9ng LCD nh\u01b0ng m\u00e0u s\u1eafc l\u1ea1i kh\u00e1c bi\u1ec7t r\u00f5 r\u1ec7t? T\u1ea5m n\u1ec1n Quantum Dot<\/a><\/strong> th\u01b0\u1eddng l\u00e0 y\u1ebfu t\u1ed1 t\u1ea1o n\u00ean \u0111\u1ed9 s\u00e1ng v\u00e0 s\u1eafc m\u00e0u n\u1ed5i b\u1eadt \u1ea5y. Tuy nhi\u00ean, nhi\u1ec1u ng\u01b0\u1eddi v\u1eabn xem Quantum Dot nh\u01b0 m\u1ed9t lo\u1ea1i m\u00e0n h\u00ecnh t\u1ef1 ph\u00e1t s\u00e1ng.<\/p>\n

Th\u1ef1c t\u1ebf, QLED, NanoCell, Mini LED, OLED v\u00e0 QD-OLED c\u00f3 c\u1ea5u t\u1ea1o r\u1ea5t kh\u00e1c nhau. V\u00ec v\u1eady, ch\u1ec9 nh\u00ecn t\u00ean th\u01b0\u01a1ng m\u1ea1i ch\u01b0a \u0111\u1ee7 \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 ch\u1ea5t l\u01b0\u1ee3ng. B\u1ea1n c\u1ea7n hi\u1ec3u ngu\u1ed3n s\u00e1ng, l\u1edbp t\u1ea1o m\u00e0u v\u00e0 kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t \u0111i\u1ec3m \u1ea3nh.<\/p>\n

T\u1ea5m n\u1ec1n Quantum Dot l\u00e0 g\u00ec?<\/h2>\n
\"T\u1ea5m<\/figure>\n

Quantum Dot, hay ch\u1ea5m l\u01b0\u1ee3ng t\u1eed, l\u00e0 nh\u1eefng h\u1ea1t b\u00e1n d\u1eabn c\u00f3 k\u00edch th\u01b0\u1edbc ch\u1ec9 v\u00e0i nanomet. Khi nh\u1eadn n\u0103ng l\u01b0\u1ee3ng \u00e1nh s\u00e1ng, ch\u00fang ph\u00e1t ra m\u00e0u s\u1eafc v\u1edbi b\u01b0\u1edbc s\u00f3ng x\u00e1c \u0111\u1ecbnh. K\u00edch th\u01b0\u1edbc h\u1ea1t quy\u1ebft \u0111\u1ecbnh m\u00e0u \u00e1nh s\u00e1ng \u0111\u01b0\u1ee3c t\u1ea1o ra.<\/p>\n

C\u1ee5 th\u1ec3, h\u1ea1t l\u1edbn h\u01a1n th\u01b0\u1eddng t\u1ea1o \u00e1nh s\u00e1ng \u0111\u1ecf. H\u1ea1t nh\u1ecf h\u01a1n t\u1ea1o \u00e1nh s\u00e1ng xanh l\u1ee5c ho\u1eb7c c\u00e1c b\u01b0\u1edbc s\u00f3ng ng\u1eafn h\u01a1n. Nh\u1edd kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t k\u00edch th\u01b0\u1edbc, nh\u00e0 s\u1ea3n xu\u1ea5t c\u00f3 th\u1ec3 t\u1ea1o m\u00e0u r\u1ea5t tinh khi\u1ebft.<\/p>\n

Quantum Dot th\u01b0\u1eddng kh\u00f4ng ph\u1ea3i t\u1ea5m n\u1ec1n \u0111\u1ed9c l\u1eadp<\/h3>\n

C\u00e1ch g\u1ecdi t\u1ea5m n\u1ec1n Quantum Dot<\/strong> kh\u00e1 ph\u1ed5 bi\u1ebfn nh\u01b0ng ch\u01b0a ho\u00e0n to\u00e0n ch\u00ednh x\u00e1c. Trong \u0111a s\u1ed1 TV, Quantum Dot ch\u1ec9 l\u00e0 m\u1ed9t l\u1edbp chuy\u1ec3n \u0111\u1ed5i m\u00e0u. L\u1edbp n\u00e0y l\u00e0m vi\u1ec7c c\u00f9ng m\u00e0n h\u00ecnh LCD v\u00e0 h\u1ec7 th\u1ed1ng \u0111\u00e8n n\u1ec1n LED.<\/p>\n

\u0110\u00e1ng ch\u00fa \u00fd, c\u00e1c ch\u1ea5m l\u01b0\u1ee3ng t\u1eed kh\u00f4ng t\u1ef1 \u0111i\u1ec1u khi\u1ec3n t\u1eebng \u0111i\u1ec3m \u1ea3nh trong c\u1ea5u tr\u00fac ph\u1ed5 th\u00f4ng. \u00c1nh s\u00e1ng v\u1eabn ph\u1ea3i \u0111i qua l\u1edbp tinh th\u1ec3 l\u1ecfng. L\u1edbp LCD s\u1ebd \u0111\u00f3ng, m\u1edf ho\u1eb7c \u0111i\u1ec1u ti\u1ebft l\u01b0\u1ee3ng s\u00e1ng t\u1ea1i m\u1ed7i \u0111i\u1ec3m \u1ea3nh.<\/p>\n

V\u00ec v\u1eady, m\u1ed9t TV d\u00f9ng ch\u1ea5m l\u01b0\u1ee3ng t\u1eed v\u1eabn mang nhi\u1ec1u \u0111\u1eb7c t\u00ednh c\u1ee7a LCD. M\u1ee9c \u0111en v\u00e0 g\u00f3c nh\u00ecn c\u00f2n ph\u1ee5 thu\u1ed9c lo\u1ea1i t\u1ea5m n\u1ec1n b\u00ean d\u01b0\u1edbi. Ch\u1eb3ng h\u1ea1n, t\u1ea5m n\u1ec1n va<\/a> th\u01b0\u1eddng c\u00f3 t\u01b0\u01a1ng ph\u1ea3n t\u1ed1t nh\u01b0ng g\u00f3c nh\u00ecn h\u1eb9p h\u01a1n IPS.<\/p>\n

Th\u1ef1c t\u1ebf, thu\u1eadt ng\u1eef t\u1ea5m n\u1ec1n Quantum Dot<\/strong> c\u00f2n bao ph\u1ee7 nhi\u1ec1u c\u00e1ch tri\u1ec3n khai. M\u1ed9t s\u1ed1 thi\u1ebft b\u1ecb d\u00f9ng m\u00e0ng phim ch\u1ee9a ch\u1ea5m l\u01b0\u1ee3ng t\u1eed. S\u1ea3n ph\u1ea9m kh\u00e1c \u0111\u1eb7t v\u1eadt li\u1ec7u n\u00e0y trong h\u1ec7 th\u1ed1ng \u0111\u00e8n n\u1ec1n ho\u1eb7c ngay g\u1ea7n b\u1ed9 l\u1ecdc m\u00e0u.<\/p>\n

Quan tr\u1ecdng h\u01a1n, QD-OLED l\u1ea1i s\u1eed d\u1ee5ng Quantum Dot theo c\u00e1ch kh\u00e1c. C\u00f4ng ngh\u1ec7 n\u00e0y l\u1ea5y \u00e1nh s\u00e1ng OLED xanh lam \u0111\u1ec3 k\u00edch th\u00edch l\u1edbp ch\u1ea5m l\u01b0\u1ee3ng t\u1eed. V\u00ec v\u1eady, n\u00f3 kh\u00f4ng c\u1ea7n l\u1edbp LCD truy\u1ec1n th\u1ed1ng nh\u01b0 QLED ph\u1ed5 th\u00f4ng.<\/p>\n

C\u00f4ng ngh\u1ec7 Quantum Dot ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/h2>\n
\"C\u00f4ng<\/figure>\n

H\u00e3y h\u00ecnh dung \u00e1nh s\u00e1ng di chuy\u1ec3n qua nhi\u1ec1u c\u00e1nh c\u1eeda tr\u01b0\u1edbc khi \u0111\u1ebfn m\u1eaft b\u1ea1n. V\u1edbi t\u1ea5m n\u1ec1n Quantum Dot<\/strong>, h\u00e0nh tr\u00ecnh th\u01b0\u1eddng b\u1eaft \u0111\u1ea7u t\u1ea1i \u0111\u00e8n n\u1ec1n LED xanh lam. Ngu\u1ed3n s\u00e1ng n\u00e0y cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng cho l\u1edbp ch\u1ea5m l\u01b0\u1ee3ng t\u1eed.<\/p>\n

H\u00e0nh tr\u00ecnh \u00e1nh s\u00e1ng qua m\u00e0n h\u00ecnh<\/h3>\n

M\u1ed9t ph\u1ea7n \u00e1nh s\u00e1ng xanh lam \u0111i xuy\u00ean qua l\u1edbp Quantum Dot. Ph\u1ea7n c\u00f2n l\u1ea1i k\u00edch th\u00edch nh\u1eefng h\u1ea1t t\u1ea1o m\u00e0u \u0111\u1ecf v\u00e0 xanh l\u1ee5c. Ba th\u00e0nh ph\u1ea7n m\u00e0u sau \u0111\u00f3 t\u1ea1o th\u00e0nh ngu\u1ed3n s\u00e1ng tr\u1eafng c\u00f3 ph\u1ed5 m\u00e0u t\u1ed1t h\u01a1n.<\/p>\n

Ti\u1ebfp theo, \u00e1nh s\u00e1ng \u0111i qua c\u00e1c l\u1edbp ph\u00e2n c\u1ef1c v\u00e0 tinh th\u1ec3 l\u1ecfng. L\u1edbp LCD \u0111i\u1ec1u ch\u1ec9nh c\u01b0\u1eddng \u0111\u1ed9 s\u00e1ng cho t\u1eebng \u0111i\u1ec3m \u1ea3nh. Cu\u1ed1i c\u00f9ng, b\u1ed9 l\u1ecdc m\u00e0u ho\u00e0n thi\u1ec7n ba k\u00eanh \u0111\u1ecf, xanh l\u1ee5c v\u00e0 xanh lam.<\/p>\n

C\u00f3 th\u1ec3 t\u00f3m t\u1eaft qu\u00e1 tr\u00ecnh n\u00e0y qua b\u1ed1n b\u01b0\u1edbc:<\/p>\n

    \n
  1. \u0110\u00e8n n\u1ec1n LED xanh lam ph\u00e1t \u00e1nh s\u00e1ng ban \u0111\u1ea7u.<\/li>\n
  2. L\u1edbp ch\u1ea5m l\u01b0\u1ee3ng t\u1eed chuy\u1ec3n \u0111\u1ed5i m\u1ed9t ph\u1ea7n th\u00e0nh \u0111\u1ecf v\u00e0 xanh l\u1ee5c.<\/li>\n
  3. L\u1edbp LCD ki\u1ec3m so\u00e1t l\u01b0\u1ee3ng s\u00e1ng t\u1ea1i t\u1eebng \u0111i\u1ec3m \u1ea3nh.<\/li>\n
  4. B\u1ed9 l\u1ecdc m\u00e0u t\u1ea1o h\u00ecnh \u1ea3nh cu\u1ed1i c\u00f9ng tr\u01b0\u1edbc m\u1eaft ng\u01b0\u1eddi xem.<\/li>\n<\/ol>\n

    V\u00ec sao m\u00e0u s\u1eafc tr\u1edf n\u00ean tinh khi\u1ebft h\u01a1n?<\/h3>\n

    \u0110\u00e8n n\u1ec1n LED tr\u1eafng th\u00f4ng th\u01b0\u1eddng th\u01b0\u1eddng t\u1ea1o ph\u1ed5 m\u00e0u t\u01b0\u01a1ng \u0111\u1ed1i r\u1ed9ng. C\u00e1c m\u00e0u c\u00f3 th\u1ec3 ch\u1ed3ng l\u1ea5n, khi\u1ebfn b\u1ed9 l\u1ecdc ph\u1ea3i lo\u1ea1i b\u1ecf nhi\u1ec1u \u00e1nh s\u00e1ng. Ng\u01b0\u1ee3c l\u1ea1i, t\u1ea5m n\u1ec1n Quantum Dot<\/strong> t\u1ea1o c\u00e1c \u0111\u1ec9nh m\u00e0u h\u1eb9p v\u00e0 r\u00f5 h\u01a1n.<\/p>\n

    V\u00ec v\u1eady, m\u00e0n h\u00ecnh t\u00e1i t\u1ea1o m\u00e0u \u0111\u1ecf s\u00e2u h\u01a1n v\u00e0 xanh l\u1ee5c s\u1ed1ng \u0111\u1ed9ng h\u01a1n. \u0110\u1ed9 ph\u1ee7 d\u1ea3i m\u00e0u c\u0169ng \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3. Nh\u1eefng c\u1ea3nh ho\u00e0ng h\u00f4n, bi\u1ec3n xanh ho\u1eb7c bi\u1ec3n hi\u1ec7u neon s\u1ebd c\u00f3 s\u1eafc \u0111\u1ed9 phong ph\u00fa h\u01a1n.<\/p>\n

    \u0110\u1eb7c bi\u1ec7t, m\u00e0u tinh khi\u1ebft gi\u00fap m\u00e0n h\u00ecnh duy tr\u00ec \u0111\u1ed9 b\u00e3o h\u00f2a khi t\u0103ng \u0111\u1ed9 s\u00e1ng. Kh\u1ea3 n\u0103ng n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 th\u1ec3 t\u00edch m\u00e0u. \u0110\u00e2y l\u00e0 l\u1ee3i th\u1ebf \u0111\u00e1ng k\u1ec3 khi hi\u1ec3n th\u1ecb phim v\u00e0 tr\u00f2 ch\u01a1i c\u00f3 HDR.<\/p>\n

    V\u00ed d\u1ee5, m\u1ed9t chi\u1ebfc TV c\u00f3 th\u1ec3 \u0111\u1ea1t m\u1ee9c s\u00e1ng \u0111\u1ec9nh 1.000 nit. Tuy nhi\u00ean, \u0111\u1ed9 s\u00e1ng cao ch\u01b0a ch\u1eafc gi\u1eef \u0111\u01b0\u1ee3c m\u00e0u \u0111\u1ecf r\u1ef1c. L\u1edbp Quantum Dot gi\u00fap m\u00e0u s\u00e1ng m\u1ea1nh m\u00e0 \u00edt chuy\u1ec3n sang tr\u1eafng nh\u1ea1t.<\/p>\n

    Ngo\u00e0i ra, qu\u00e1 tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i m\u00e0u c\u00f3 hi\u1ec7u su\u1ea5t t\u01b0\u01a1ng \u0111\u1ed1i cao. M\u00e0n h\u00ecnh kh\u00f4ng c\u1ea7n lo\u1ea1i b\u1ecf qu\u00e1 nhi\u1ec1u \u00e1nh s\u00e1ng t\u1ea1i b\u1ed9 l\u1ecdc. Nh\u1edd \u0111\u00f3, nh\u00e0 s\u1ea3n xu\u1ea5t c\u00f3 th\u1ec3 t\u0103ng \u0111\u1ed9 s\u00e1ng m\u00e0 v\u1eabn ki\u1ec3m so\u00e1t \u0111i\u1ec7n n\u0103ng h\u1ee3p l\u00fd.<\/p>\n

    Th\u00f4ng tin khoa h\u1ecdc n\u1ec1n t\u1ea3ng v\u1ec1 ch\u1ea5m l\u01b0\u1ee3ng t\u1eed c\u00f3 th\u1ec3 tham kh\u1ea3o qua t\u00e0i li\u1ec7u c\u1ee7a C\u01a1 quan H\u00f3a ch\u1ea5t ch\u00e2u \u00c2u<\/strong>. Tuy nhi\u00ean, ch\u1ea5t l\u01b0\u1ee3ng th\u1ef1c t\u1ebf v\u1eabn ph\u1ee5 thu\u1ed9c to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng hi\u1ec3n th\u1ecb, kh\u00f4ng ri\u00eang l\u1edbp t\u1ea1o m\u00e0u.<\/p>\n

    T\u1ea5m n\u1ec1n QLED l\u00e0 g\u00ec v\u00e0 li\u00ean quan th\u1ebf n\u00e0o \u0111\u1ebfn Quantum Dot?<\/h2>\n
    \"T\u1ea5m<\/figure>\n

    Nhi\u1ec1u ng\u01b0\u1eddi t\u00ecm hi\u1ec3u t\u1ea5m n\u1ec1n QLED l\u00e0 g\u00ec<\/strong> v\u00ec t\u00ean g\u1ecdi kh\u00e1 gi\u1ed1ng OLED. Th\u1ef1c t\u1ebf, QLED ph\u1ed5 bi\u1ebfn v\u1eabn l\u00e0 m\u00e0n h\u00ecnh LCD. N\u00f3 d\u00f9ng \u0111\u00e8n n\u1ec1n LED k\u1ebft h\u1ee3p m\u1ed9t l\u1edbp ch\u1ea5m l\u01b0\u1ee3ng t\u1eed \u0111\u1ec3 c\u1ea3i thi\u1ec7n m\u00e0u s\u1eafc.<\/p>\n

    Ch\u1eef \u201cQ\u201d trong QLED th\u01b0\u1eddng \u0111\u1ea1i di\u1ec7n cho Quantum Dot. V\u00ec v\u1eady, QLED c\u00f3 quan h\u1ec7 tr\u1ef1c ti\u1ebfp v\u1edbi t\u1ea5m n\u1ec1n Quantum Dot<\/strong>. Tuy nhi\u00ean, hai thu\u1eadt ng\u1eef kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng \u0111\u1ed3ng ngh\u0129a ho\u00e0n to\u00e0n.<\/p>\n

    QLED v\u1eabn c\u1ea7n \u0111\u00e8n n\u1ec1n<\/h3>\n

    \u0110i\u1ec3m \u1ea3nh QLED kh\u00f4ng t\u1ef1 ph\u00e1t s\u00e1ng nh\u01b0 OLED. H\u1ec7 th\u1ed1ng \u0111\u00e8n LED ph\u00eda sau ho\u1eb7c quanh vi\u1ec1n s\u1ebd t\u1ea1o \u00e1nh s\u00e1ng. L\u1edbp LCD sau \u0111\u00f3 ki\u1ec3m so\u00e1t l\u01b0\u1ee3ng s\u00e1ng truy\u1ec1n qua t\u1eebng khu v\u1ef1c.<\/p>\n

    C\u1ee5 th\u1ec3, QLED gi\u00e1 th\u1ea5p c\u00f3 th\u1ec3 ch\u1ec9 d\u00f9ng \u0111\u00e8n n\u1ec1n vi\u1ec1n v\u00e0 \u00edt v\u00f9ng l\u00e0m t\u1ed1i. M\u1eabu cao c\u1ea5p th\u01b0\u1eddng d\u00f9ng \u0111\u00e8n n\u1ec1n to\u00e0n m\u1ea3ng. M\u1ed9t s\u1ed1 s\u1ea3n ph\u1ea9m k\u1ebft h\u1ee3p Mini LED v\u1edbi h\u00e0ng tr\u0103m ho\u1eb7c h\u00e0ng ngh\u00ecn v\u00f9ng \u0111i\u1ec1u khi\u1ec3n.<\/p>\n

    V\u00ec v\u1eady, hai TV c\u00f9ng g\u1eafn nh\u00e3n QLED c\u00f3 th\u1ec3 cho ch\u1ea5t l\u01b0\u1ee3ng r\u1ea5t kh\u00e1c nhau. S\u1ed1 v\u00f9ng l\u00e0m t\u1ed1i \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn m\u00e0u \u0111en. B\u1ed9 x\u1eed l\u00fd c\u0169ng quy\u1ebft \u0111\u1ecbnh kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t qu\u1ea7ng s\u00e1ng v\u00e0 n\u00e2ng c\u1ea5p h\u00ecnh \u1ea3nh.<\/p>\n

    Quantum Dot c\u00f2n xu\u1ea5t hi\u1ec7n ngo\u00e0i QLED<\/h3>\n

    T\u1ea5m n\u1ec1n Quantum Dot<\/strong> kh\u00f4ng ch\u1ec9 xu\u1ea5t hi\u1ec7n tr\u00ean TV mang t\u00ean QLED. M\u00e0n h\u00ecnh m\u00e1y t\u00ednh c\u00f3 th\u1ec3 d\u00f9ng l\u1edbp ch\u1ea5m l\u01b0\u1ee3ng t\u1eed nh\u01b0ng mang t\u00ean th\u01b0\u01a1ng m\u1ea1i kh\u00e1c. M\u1ed9t s\u1ed1 thi\u1ebft b\u1ecb ch\u1ec9 ghi \u201cQuantum Dot Display\u201d trong th\u00f4ng s\u1ed1.<\/p>\n

    M\u1eb7t kh\u00e1c, QD-OLED c\u0169ng \u1ee9ng d\u1ee5ng ch\u1ea5m l\u01b0\u1ee3ng t\u1eed. Tuy nhi\u00ean, ngu\u1ed3n s\u00e1ng c\u1ee7a n\u00f3 \u0111\u1ebfn t\u1eeb l\u1edbp OLED xanh lam. L\u1edbp Quantum Dot chuy\u1ec3n \u0111\u1ed5i \u00e1nh s\u00e1ng th\u00e0nh \u0111\u1ecf v\u00e0 xanh l\u1ee5c m\u00e0 kh\u00f4ng c\u1ea7n LCD.<\/p>\n

    \u0110\u00e1ng ch\u00fa \u00fd, Mini LED kh\u00f4ng ph\u1ea3i c\u00f4ng ngh\u1ec7 t\u1ea1o m\u00e0u. \u0110\u00e2y l\u00e0 ph\u01b0\u01a1ng ph\u00e1p thu nh\u1ecf \u0111\u00e8n n\u1ec1n nh\u1eb1m t\u0103ng s\u1ed1 v\u00f9ng l\u00e0m t\u1ed1i. M\u1ed9t TV c\u00f3 th\u1ec3 \u0111\u1ed3ng th\u1eddi d\u00f9ng LCD, Mini LED v\u00e0 Quantum Dot.<\/p>\n

    Do \u0111\u00f3, khi xem th\u00f4ng s\u1ed1, b\u1ea1n n\u00ean t\u00e1ch ri\u00eang t\u1eebng th\u00e0nh ph\u1ea7n:<\/p>\n