{"id":523734,"date":"2026-01-22T11:00:08","date_gmt":"2026-01-22T04:00:08","guid":{"rendered":"https:\/\/hoanghamobile.com\/tin-tuc\/?p=523734"},"modified":"2026-01-22T11:00:08","modified_gmt":"2026-01-22T04:00:08","slug":"crt","status":"publish","type":"post","link":"https:\/\/hoanghamobile.com\/tin-tuc\/crt\/","title":{"rendered":"CRT l\u00e0 g\u00ec? \u01afu nh\u01b0\u1ee3c \u0111i\u1ec3m v\u00e0 l\u00fd do m\u00e0n h\u00ecnh CRT d\u1ea7n bi\u1ebfn m\u1ea5t"},"content":{"rendered":"<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Trong l\u1ecbch s\u1eed ph\u00e1t tri\u1ec3n c\u1ee7a c\u00f4ng ngh\u1ec7 hi\u1ec3n th\u1ecb, m\u00e0n h\u00ecnh \u1ed1ng tia \u00e2m c\u1ef1c t\u1eebng gi\u1eef vai tr\u00f2 trung t\u00e2m v\u00e0 g\u1ea7n nh\u01b0 kh\u00f4ng c\u00f3 \u0111\u1ed1i th\u1ee7 trong su\u1ed1t nhi\u1ec1u th\u1eadp k\u1ef7. Tuy nhi\u00ean, khi c\u00e1c c\u00f4ng ngh\u1ec7 m\u00e0n h\u00ecnh ph\u1eb3ng hi\u1ec7n \u0111\u1ea1i ra \u0111\u1eddi v\u00e0 kh\u00f4ng ng\u1eebng c\u1ea3i ti\u1ebfn, d\u00f2ng m\u00e0n h\u00ecnh truy\u1ec1n th\u1ed1ng n\u00e0y d\u1ea7n b\u1ecb \u0111\u1ea9y v\u00e0o qu\u00e1 kh\u1ee9. Sau \u0111\u00e2y, <strong>Ho\u00e0ng H\u00e0 Mobile<\/strong> s\u1ebd ph\u00e2n t\u00edch to\u00e0n di\u1ec7n c\u00f4ng ngh\u1ec7 hi\u1ec3n th\u1ecb <\/span><b>CRT<\/b><span style=\"font-weight: 400;\">, t\u1eeb kh\u00e1i ni\u1ec7m, nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng \u0111\u1ebfn \u01b0u \u2013 nh\u01b0\u1ee3c \u0111i\u1ec3m v\u00e0 l\u00fd do v\u00ec sao tivi \u1ed1ng tia \u00e2m c\u1ef1c kh\u00f4ng c\u00f2n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u01b0 tr\u01b0\u1edbc.<\/span><\/p>\n<h2 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">CRT l\u00e0 g\u00ec?<\/span><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Cathode Ray Tube hay c\u00f2n g\u1ecdi l\u00e0 m\u00e0n h\u00ecnh \u1ed1ng tia \u00e2m c\u1ef1c, l\u00e0 c\u00f4ng ngh\u1ec7 hi\u1ec3n th\u1ecb s\u1eed d\u1ee5ng m\u1ed9t \u1ed1ng ch\u00e2n kh\u00f4ng k\u00edch th\u01b0\u1edbc l\u1edbn \u0111\u1ec3 t\u1ea1o h\u00ecnh \u1ea3nh th\u00f4ng qua vi\u1ec7c ki\u1ec3m so\u00e1t c\u00e1c ch\u00f9m electron. Trong su\u1ed1t th\u1ebf k\u1ef7 20, c\u00f4ng ngh\u1ec7 hi\u1ec3n th\u1ecb truy\u1ec1n th\u1ed1ng n\u00e0y t\u1eebng \u0111\u01b0\u1ee3c xem l\u00e0 ti\u00eau chu\u1ea9n g\u1ea7n nh\u01b0 tuy\u1ec7t \u0111\u1ed1i cho tivi v\u00e0 m\u00e0n h\u00ecnh m\u00e1y t\u00ednh, tr\u01b0\u1edbc khi c\u00e1c d\u00f2ng m\u00e0n h\u00ecnh ph\u1eb3ng hi\u1ec7n \u0111\u1ea1i d\u1ea7n xu\u1ea5t hi\u1ec7n v\u00e0 ph\u00e1t tri\u1ec3n.<\/span><\/p>\n<p style=\"text-align: justify;\"><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2026\/01\/CRT-1.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2026\/01\/CRT-1-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2026\/01\/CRT-1-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img fetchpriority=\"high\" decoding=\"async\" class=\"size-full wp-image-523736 aligncenter webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/01\/CRT-1.jpg\" alt=\"CRT-1\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/01\/CRT-1.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/01\/CRT-1-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/01\/CRT-1-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">V\u1ec1 b\u1ea3n ch\u1ea5t, m\u00e0n h\u00ecnh \u1ed1ng tia \u00e2m c\u1ef1c kh\u00f4ng hi\u1ec3n th\u1ecb h\u00ecnh \u1ea3nh d\u1ef1a tr\u00ean h\u1ec7 th\u1ed1ng \u0111i\u1ec3m \u1ea3nh c\u1ed1 \u0111\u1ecbnh nh\u01b0 LCD hay OLED ng\u00e0y nay. Thay v\u00e0o \u0111\u00f3, h\u00ecnh \u1ea3nh \u0111\u01b0\u1ee3c \u201cv\u1ebd\u201d li\u00ean t\u1ee5c tr\u00ean b\u1ec1 m\u1eb7t hi\u1ec3n th\u1ecb th\u00f4ng qua qu\u00e1 tr\u00ecnh qu\u00e9t c\u00e1c ch\u00f9m tia electron theo t\u1eebng d\u00f2ng, t\u1eeb tr\u00e1i sang ph\u1ea3i v\u00e0 t\u1eeb tr\u00ean xu\u1ed1ng d\u01b0\u1edbi. Khi electron va ch\u1ea1m v\u00e0o l\u1edbp v\u1eadt li\u1ec7u ph\u00e1t quang b\u00ean trong \u1ed1ng, \u00e1nh s\u00e1ng \u0111\u01b0\u1ee3c t\u1ea1o ra, h\u00ecnh th\u00e0nh n\u00ean h\u00ecnh \u1ea3nh m\u00e0 ng\u01b0\u1eddi d\u00f9ng quan s\u00e1t \u0111\u01b0\u1ee3c.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">D\u00f9 ng\u00e0y nay d\u00f2ng m\u00e0n h\u00ecnh n\u00e0y kh\u00f4ng c\u00f2n xu\u1ea5t hi\u1ec7n ph\u1ed5 bi\u1ebfn trong \u0111\u1eddi s\u1ed1ng, vai tr\u00f2 l\u1ecbch s\u1eed c\u1ee7a c\u00f4ng ngh\u1ec7 n\u00e0y v\u1eabn mang \u00fd ngh\u0129a quan tr\u1ecdng. Ch\u00ednh m\u00e0n h\u00ecnh \u1ed1ng tia \u00e2m c\u1ef1c \u0111\u00e3 \u0111\u1eb7t n\u1ec1n m\u00f3ng cho s\u1ef1 ph\u00e1t tri\u1ec3n m\u1ea1nh m\u1ebd c\u1ee7a ng\u00e0nh truy\u1ec1n h\u00ecnh v\u00e0 m\u00e1y t\u00ednh c\u00e1 nh\u00e2n trong giai \u0111o\u1ea1n \u0111\u1ea7u.<\/span><\/p>\n<h2 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e0n h\u00ecnh CRT<\/span><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e0n h\u00ecnh \u1ed1ng tia \u00e2m c\u1ef1c d\u1ef1a tr\u00ean qu\u00e1 tr\u00ecnh di chuy\u1ec3n v\u00e0 ki\u1ec3m so\u00e1t c\u00e1c ch\u00f9m electron trong m\u00f4i tr\u01b0\u1eddng ch\u00e2n kh\u00f4ng. B\u00ean trong m\u1ed7i m\u00e0n h\u00ecnh s\u1eed d\u1ee5ng \u1ed1ng tia \u00e2m c\u1ef1c l\u00e0 m\u1ed9t \u1ed1ng th\u1ee7y tinh k\u00edch th\u01b0\u1edbc l\u1edbn, trong \u0111\u00f3 ph\u1ea7n \u0111\u00e1y \u1ed1ng ch\u1ee9a s\u00fang \u0111i\u1ec7n t\u1eed, c\u00f2n b\u1ec1 m\u1eb7t ph\u00eda tr\u01b0\u1edbc \u0111\u01b0\u1ee3c ph\u1ee7 m\u1ed9t l\u1edbp phosphor c\u00f3 kh\u1ea3 n\u0103ng ph\u00e1t s\u00e1ng.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Khi thi\u1ebft b\u1ecb ho\u1ea1t \u0111\u1ed9ng, s\u00fang \u0111i\u1ec7n t\u1eed s\u1ebd ph\u00e1t ra c\u00e1c electron v\u1edbi t\u1ed1c \u0111\u1ed9 r\u1ea5t cao. C\u00e1c ch\u00f9m electron n\u00e0y \u0111\u01b0\u1ee3c \u0111i\u1ec1u h\u01b0\u1edbng th\u00f4ng qua h\u1ec7 th\u1ed1ng t\u1eeb tr\u01b0\u1eddng v\u00e0 \u0111i\u1ec7n tr\u01b0\u1eddng, gi\u00fap ch\u00fang qu\u00e9t \u0111\u1ec1u l\u00ean b\u1ec1 m\u1eb7t hi\u1ec3n th\u1ecb theo t\u1eebng d\u00f2ng ngang. M\u1ed7i khi electron va ch\u1ea1m v\u00e0o l\u1edbp phosphor, khu v\u1ef1c \u0111\u00f3 s\u1ebd ph\u00e1t s\u00e1ng trong m\u1ed9t kho\u1ea3ng th\u1eddi gian r\u1ea5t ng\u1eafn, t\u1eeb \u0111\u00f3 h\u00ecnh th\u00e0nh n\u00ean h\u00ecnh \u1ea3nh li\u00ean t\u1ee5c.<\/span><\/p>\n<p style=\"text-align: justify;\"><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2026\/01\/CRT-2.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2026\/01\/CRT-2-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2026\/01\/CRT-2-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img decoding=\"async\" class=\"size-full wp-image-523737 aligncenter webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/01\/CRT-2.jpg\" alt=\"CRT-2\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/01\/CRT-2.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/01\/CRT-2-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/01\/CRT-2-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u0110\u1ed1i v\u1edbi tivi \u1ed1ng tia \u00e2m c\u1ef1c hi\u1ec3n th\u1ecb m\u00e0u, c\u1ea5u tr\u00fac b\u00ean trong tr\u1edf n\u00ean ph\u1ee9c t\u1ea1p h\u01a1n. Thay v\u00ec ch\u1ec9 m\u1ed9t s\u00fang \u0111i\u1ec7n t\u1eed, c\u00f4ng ngh\u1ec7 hi\u1ec3n th\u1ecb n\u00e0y s\u1eed d\u1ee5ng ba s\u00fang ri\u00eang bi\u1ec7t t\u01b0\u01a1ng \u1ee9ng v\u1edbi ba m\u00e0u c\u01a1 b\u1ea3n g\u1ed3m \u0111\u1ecf, xanh l\u00e1 v\u00e0 xanh d\u01b0\u01a1ng. Th\u00f4ng qua vi\u1ec7c \u0111i\u1ec1u ch\u1ec9nh c\u01b0\u1eddng \u0111\u1ed9 c\u1ee7a t\u1eebng ch\u00f9m tia, m\u00e0n h\u00ecnh c\u00f3 th\u1ec3 t\u00e1i t\u1ea1o h\u00e0ng tri\u1ec7u m\u00e0u s\u1eafc kh\u00e1c nhau, \u0111\u00e1p \u1ee9ng nhu c\u1ea7u hi\u1ec3n th\u1ecb h\u00ecnh \u1ea3nh s\u1ed1ng \u0111\u1ed9ng.<\/span><\/p>\n<h2 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u01afu \u0111i\u1ec3m v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a tivi CRT<\/span><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Tivi s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 \u1ed1ng tia \u00e2m c\u1ef1c t\u1eebng l\u00e0 l\u1ef1a ch\u1ecdn ti\u00eau chu\u1ea9n trong nhi\u1ec1u th\u1eadp k\u1ef7 nh\u1edd ch\u1ea5t l\u01b0\u1ee3ng hi\u1ec3n th\u1ecb \u1ed5n \u0111\u1ecbnh v\u00e0 \u0111\u1ed9 b\u1ec1n cao theo th\u1eddi gian. Tuy v\u1eady, b\u00ean c\u1ea1nh nh\u1eefng \u01b0u \u0111i\u1ec3m \u0111\u00e1ng ghi nh\u1eadn, d\u00f2ng m\u00e0n h\u00ecnh truy\u1ec1n th\u1ed1ng n\u00e0y c\u0169ng b\u1ed9c l\u1ed9 nhi\u1ec1u h\u1ea1n ch\u1ebf, khi\u1ebfn n\u00f3 d\u1ea7n nh\u01b0\u1eddng ch\u1ed7 cho c\u00e1c c\u00f4ng ngh\u1ec7 m\u00e0n h\u00ecnh hi\u1ec7n \u0111\u1ea1i h\u01a1n.<\/span><\/p>\n<h3 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u01afu \u0111i\u1ec3m<\/span><\/h3>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">M\u1ed9t trong nh\u1eefng \u01b0u \u0111i\u1ec3m n\u1ed5i b\u1eadt nh\u1ea5t c\u1ee7a tivi s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 \u1ed1ng tia \u00e2m c\u1ef1c l\u00e0 ch\u1ea5t l\u01b0\u1ee3ng hi\u1ec3n th\u1ecb mang t\u00ednh t\u1ef1 nhi\u00ean cao. M\u00e0u s\u1eafc tr\u00ean m\u00e0n h\u00ecnh <\/span><b>CRT <\/b><span style=\"font-weight: 400;\">th\u01b0\u1eddng c\u00f3 \u0111\u1ed9 chuy\u1ec3n m\u01b0\u1ee3t, h\u1ea1n ch\u1ebf hi\u1ec7n t\u01b0\u1ee3ng r\u1ed7 hay v\u1ee1 h\u00ecnh. \u0110\u1ed9 t\u01b0\u01a1ng ph\u1ea3n c\u0169ng \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 t\u00edch c\u1ef1c nh\u1edd kh\u1ea3 n\u0103ng t\u00e1i t\u1ea1o m\u00e0u \u0111en s\u00e2u, do m\u00e0n h\u00ecnh \u1ed1ng tia \u00e2m c\u1ef1c kh\u00f4ng ph\u1ee5 thu\u1ed9c v\u00e0o h\u1ec7 th\u1ed1ng \u0111\u00e8n n\u1ec1n \u0111\u1ec3 ph\u00e1t s\u00e1ng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">B\u00ean c\u1ea1nh \u0111\u00f3, c\u00f4ng ngh\u1ec7 hi\u1ec3n th\u1ecb truy\u1ec1n th\u1ed1ng n\u00e0y c\u00f2n s\u1edf h\u1eefu l\u1ee3i th\u1ebf r\u00f5 r\u1ec7t v\u1ec1 g\u00f3c nh\u00ecn. Ng\u01b0\u1eddi xem c\u00f3 th\u1ec3 quan s\u00e1t h\u00ecnh \u1ea3nh r\u00f5 r\u00e0ng t\u1eeb nhi\u1ec1u v\u1ecb tr\u00ed kh\u00e1c nhau m\u00e0 kh\u00f4ng g\u1eb7p t\u00ecnh tr\u1ea1ng bi\u1ebfn \u0111\u1ed5i m\u00e0u s\u1eafc hay suy gi\u1ea3m \u0111\u1ed9 s\u00e1ng \u2013 h\u1ea1n ch\u1ebf ph\u1ed5 bi\u1ebfn tr\u00ean c\u00e1c th\u1ebf h\u1ec7 LCD \u0111\u1eddi \u0111\u1ea7u.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2026\/01\/CRT-3.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2026\/01\/CRT-3-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2026\/01\/CRT-3-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img decoding=\"async\" class=\"size-full wp-image-523738 aligncenter webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/01\/CRT-3.jpg\" alt=\"CRT-3\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/01\/CRT-3.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/01\/CRT-3-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/01\/CRT-3-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ngo\u00e0i ra, \u0111\u1ed9 tr\u1ec5 t\u00edn hi\u1ec7u g\u1ea7n nh\u01b0 b\u1eb1ng kh\u00f4ng l\u00e0 m\u1ed9t \u01b0u th\u1ebf k\u1ef9 thu\u1eadt \u0111\u00e1ng ch\u00fa \u00fd. Ch\u00ednh \u0111\u1eb7c \u0111i\u1ec3m n\u00e0y khi\u1ebfn d\u00f2ng m\u00e0n h\u00ecnh truy\u1ec1n th\u1ed1ng t\u1eebng \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng trong nh\u1eefng m\u00f4i tr\u01b0\u1eddng \u0111\u00f2i h\u1ecfi ph\u1ea3n h\u1ed3i nhanh, ch\u1eb3ng h\u1ea1n nh\u01b0 ch\u01a1i game ho\u1eb7c hi\u1ec3n th\u1ecb n\u1ed9i dung chuy\u1ec3n \u0111\u1ed9ng t\u1ed1c \u0111\u1ed9 cao.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">X\u00e9t v\u1ec1 \u0111\u1ed9 b\u1ec1n, nhi\u1ec1u tivi \u1ed1ng tia \u00e2m c\u1ef1c c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh trong h\u00e0ng ch\u1ee5c n\u0103m n\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u00fang c\u00e1ch. C\u1ea5u tr\u00fac \u0111\u01a1n gi\u1ea3n c\u00f9ng s\u1ed1 l\u01b0\u1ee3ng linh ki\u1ec7n \u0111i\u1ec7n t\u1eed kh\u00f4ng qu\u00e1 ph\u1ee9c t\u1ea1p gi\u00fap c\u00f4ng ngh\u1ec7 m\u00e0n h\u00ecnh n\u00e0y \u00edt g\u1eb7p l\u1ed7i v\u1eb7t h\u01a1n so v\u1edbi nhi\u1ec1u d\u00f2ng m\u00e0n h\u00ecnh hi\u1ec7n \u0111\u1ea1i.<\/span><\/li>\n<\/ul>\n<h3 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Nh\u01b0\u1ee3c \u0111i\u1ec3m<\/span><\/h3>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Tr\u01b0\u1edbc h\u1ebft l\u00e0 k\u00edch th\u01b0\u1edbc v\u00e0 tr\u1ecdng l\u01b0\u1ee3ng. M\u1ed9t chi\u1ebfc tivi <\/span><b>CRT <\/b><span style=\"font-weight: 400;\">d\u00f9 c\u00f3 m\u00e0n h\u00ecnh nh\u1ecf v\u1eabn r\u1ea5t n\u1eb7ng v\u00e0 chi\u1ebfm nhi\u1ec1u di\u1ec7n t\u00edch, g\u00e2y kh\u00f3 kh\u0103n trong vi\u1ec7c di chuy\u1ec3n v\u00e0 b\u1ed1 tr\u00ed kh\u00f4ng gian s\u1ed1ng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">M\u1ed9t h\u1ea1n ch\u1ebf \u0111\u00e1ng ch\u00fa \u00fd kh\u00e1c c\u1ee7a tivi s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 \u1ed1ng tia \u00e2m c\u1ef1c l\u00e0 m\u1ee9c ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng cao. D\u00f2ng m\u00e0n h\u00ecnh truy\u1ec1n th\u1ed1ng n\u00e0y c\u1ea7n ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng l\u1edbn \u0111\u1ec3 v\u1eadn h\u00e0nh s\u00fang \u0111i\u1ec7n t\u1eed v\u00e0 duy tr\u00ec ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh c\u1ee7a c\u00e1c ch\u00f9m tia electron, \u0111\u1ed3ng th\u1eddi t\u1ecfa nhi\u1ec7t nhi\u1ec1u h\u01a1n so v\u1edbi c\u00e1c m\u00e0n h\u00ecnh ph\u1eb3ng hi\u1ec7n \u0111\u1ea1i.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2026\/01\/CRT-4.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2026\/01\/CRT-4-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2026\/01\/CRT-4-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-523739 aligncenter webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/01\/CRT-4.jpg\" alt=\"CRT-4\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/01\/CRT-4.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/01\/CRT-4-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/01\/CRT-4-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">X\u00e9t v\u1ec1 m\u1eb7t c\u00f4ng ngh\u1ec7, m\u00e0n h\u00ecnh \u1ed1ng tia \u00e2m c\u1ef1c g\u1eb7p nhi\u1ec1u gi\u1edbi h\u1ea1n trong vi\u1ec7c n\u00e2ng cao \u0111\u1ed9 ph\u00e2n gi\u1ea3i. Khi nhu c\u1ea7u hi\u1ec3n th\u1ecb h\u00ecnh \u1ea3nh ch\u1ea5t l\u01b0\u1ee3ng cao nh\u01b0 HD, Full HD hay 4K ng\u00e0y c\u00e0ng ph\u1ed5 bi\u1ebfn, c\u00f4ng ngh\u1ec7 hi\u1ec3n th\u1ecb c\u0169 kh\u00f4ng c\u00f2n \u0111\u00e1p \u1ee9ng hi\u1ec7u qu\u1ea3, c\u1ea3 v\u1ec1 kh\u1ea3 n\u0103ng k\u1ef9 thu\u1eadt l\u1eabn chi ph\u00ed s\u1ea3n xu\u1ea5t.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">B\u00ean c\u1ea1nh \u0111\u00f3, c\u00e1c v\u1ea5n \u0111\u1ec1 li\u00ean quan \u0111\u1ebfn m\u00f4i tr\u01b0\u1eddng v\u00e0 an to\u00e0n c\u0169ng l\u00e0 nguy\u00ean nh\u00e2n khi\u1ebfn d\u00f2ng tivi n\u00e0y d\u1ea7n b\u1ecb lo\u1ea1i b\u1ecf kh\u1ecfi th\u1ecb tr\u01b0\u1eddng. M\u00e0n h\u00ecnh s\u1eed d\u1ee5ng \u1ed1ng tia \u00e2m c\u1ef1c ch\u1ee9a ch\u00ec v\u00e0 m\u1ed9t s\u1ed1 v\u1eadt li\u1ec7u kh\u00f3 t\u00e1i ch\u1ebf, trong khi c\u00e1c ti\u00eau chu\u1ea9n b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng ng\u00e0y c\u00e0ng \u0111\u01b0\u1ee3c si\u1ebft ch\u1eb7t, bu\u1ed9c c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t ph\u1ea3i chuy\u1ec3n sang nh\u1eefng c\u00f4ng ngh\u1ec7 th\u00e2n thi\u1ec7n h\u01a1n.<\/span><\/li>\n<\/ul>\n<h2 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Tivi CRT \u2013 T\u1eeb m\u00e0n h\u00ecnh l\u1ed3i \u0111\u1ebfn m\u00e0n h\u00ecnh ph\u1eb3ng<\/span><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u1ede giai \u0111o\u1ea1n \u0111\u1ea7u, ph\u1ea7n l\u1edbn tivi s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 \u1ed1ng tia \u00e2m c\u1ef1c \u0111\u1ec1u s\u1edf h\u1eefu m\u1eb7t k\u00ednh l\u1ed3i, ph\u1ea3n \u00e1nh \u0111\u00fang c\u1ea5u tr\u00fac h\u00ecnh h\u1ecdc \u0111\u1eb7c tr\u01b0ng c\u1ee7a \u1ed1ng tia \u00e2m c\u1ef1c. Ki\u1ec3u thi\u1ebft k\u1ebf n\u00e0y khi\u1ebfn h\u00ecnh \u1ea3nh c\u00f3 th\u1ec3 xu\u1ea5t hi\u1ec7n hi\u1ec7n t\u01b0\u1ee3ng bi\u1ebfn d\u1ea1ng nh\u1eb9 \u1edf c\u00e1c g\u00f3c, \u0111\u1ed3ng th\u1eddi l\u00e0m t\u0103ng m\u1ee9c \u0111\u1ed9 ph\u1ea3n x\u1ea1 \u00e1nh s\u00e1ng trong qu\u00e1 tr\u00ecnh quan s\u00e1t.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Khi c\u00f4ng ngh\u1ec7 d\u1ea7n ph\u00e1t tri\u1ec3n, c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u00e3 ti\u1ebfn h\u00e0nh c\u1ea3i ti\u1ebfn thi\u1ebft k\u1ebf m\u1eb7t k\u00ednh ph\u1eb3ng ho\u1eb7c g\u1ea7n ph\u1eb3ng h\u01a1n. M\u1ee5c ti\u00eau c\u1ee7a s\u1ef1 thay \u0111\u1ed5i n\u00e0y l\u00e0 gi\u1ea3m m\u00e9o h\u00ecnh, n\u00e2ng cao t\u00ednh th\u1ea9m m\u1ef9 v\u00e0 c\u1ea3i thi\u1ec7n tr\u1ea3i nghi\u1ec7m xem cho ng\u01b0\u1eddi d\u00f9ng. Tuy nhi\u00ean, d\u00f9 \u0111\u00e3 \u0111\u01b0\u1ee3c tinh ch\u1ec9nh, tivi m\u1eb7t ph\u1eb3ng v\u1eabn kh\u00f3 c\u00f3 th\u1ec3 c\u1ea1nh tranh v\u1ec1 \u0111\u1ed9 m\u1ecfng v\u00e0 tr\u1ecdng l\u01b0\u1ee3ng so v\u1edbi c\u00e1c d\u00f2ng m\u00e0n h\u00ecnh LCD hay LED hi\u1ec7n \u0111\u1ea1i.<\/span><\/p>\n<p style=\"text-align: justify;\"><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2026\/01\/CRT-5.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2026\/01\/CRT-5-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2026\/01\/CRT-5-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-523740 aligncenter webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/01\/CRT-5.jpg\" alt=\"CRT-5\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/01\/CRT-5.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/01\/CRT-5-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/01\/CRT-5-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">S\u1ef1 chuy\u1ec3n d\u1ecbch t\u1eeb m\u00e0n h\u00ecnh l\u1ed3i sang m\u00e0n h\u00ecnh ph\u1eb3ng trong c\u00f4ng ngh\u1ec7 hi\u1ec3n th\u1ecb n\u00e0y th\u1ef1c ch\u1ea5t ch\u1ec9 mang t\u00ednh ch\u1ea5t chuy\u1ec3n ti\u1ebfp. \u0110i\u1ec1u n\u00e0y cho th\u1ea5y n\u1ed7 l\u1ef1c c\u1ee7a c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t trong vi\u1ec7c k\u00e9o d\u00e0i v\u00f2ng \u0111\u1eddi c\u1ee7a d\u00f2ng m\u00e0n h\u00ecnh truy\u1ec1n th\u1ed1ng, tr\u01b0\u1edbc khi c\u00e1c c\u00f4ng ngh\u1ec7 m\u00e0n h\u00ecnh ph\u1eb3ng hi\u1ec7n \u0111\u1ea1i ho\u00e0n to\u00e0n chi\u1ebfm l\u0129nh th\u1ecb tr\u01b0\u1eddng.<\/span><\/p>\n<h2 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">So s\u00e1nh m\u00e0n h\u00ecnh CRT v\u1edbi LCD, LED, OLED<\/span><\/h2>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Ti\u00eau ch\u00ed<\/span><\/td>\n<td><b>CRT<\/b><\/td>\n<td><span style=\"font-weight: 400;\">LCD<\/span><\/td>\n<td><span style=\"font-weight: 400;\">LED<\/span><\/td>\n<td><span style=\"font-weight: 400;\">OLED<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">\u0110\u1ed9 d\u00e0y, tr\u1ecdng l\u01b0\u1ee3ng<\/span><\/td>\n<td><span style=\"font-weight: 400;\">R\u1ea5t d\u00e0y, n\u1eb7ng<\/span><\/td>\n<td><span style=\"font-weight: 400;\">M\u1ecfng, nh\u1eb9<\/span><\/td>\n<td><span style=\"font-weight: 400;\">M\u1ecfng, nh\u1eb9<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Si\u00eau m\u1ecfng<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Ch\u1ea5t l\u01b0\u1ee3ng m\u00e0u \u0111en<\/span><\/td>\n<td><span style=\"font-weight: 400;\">T\u1ed1t<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Trung b\u00ecnh<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Kh\u00e1<\/span><\/td>\n<td><span style=\"font-weight: 400;\">R\u1ea5t t\u1ed1t<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">G\u00f3c nh\u00ecn<\/span><\/td>\n<td><span style=\"font-weight: 400;\">R\u1ed9ng<\/span><\/td>\n<td><span style=\"font-weight: 400;\">H\u1ea1n ch\u1ebf (\u0111\u1eddi c\u0169)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">T\u1ed1t<\/span><\/td>\n<td><span style=\"font-weight: 400;\">R\u1ea5t r\u1ed9ng<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Ti\u00eau th\u1ee5 \u0111i\u1ec7n<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Cao<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Th\u1ea5p<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Th\u1ea5p h\u01a1n<\/span><\/td>\n<td><span style=\"font-weight: 400;\">R\u1ea5t th\u1ea5p<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">\u0110\u1ed9 ph\u00e2n gi\u1ea3i<\/span><\/td>\n<td><span style=\"font-weight: 400;\">H\u1ea1n ch\u1ebf<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Cao<\/span><\/td>\n<td><span style=\"font-weight: 400;\">R\u1ea5t cao<\/span><\/td>\n<td><span style=\"font-weight: 400;\">R\u1ea5t cao<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">T\u00ednh hi\u1ec7n \u0111\u1ea1i<\/span><\/td>\n<td><span style=\"font-weight: 400;\">L\u1ed7i th\u1eddi<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ph\u1ed5 bi\u1ebfn<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ph\u1ed5 bi\u1ebfn<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Cao c\u1ea5p<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"text-align: justify;\"><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2026\/01\/CRT-6.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2026\/01\/CRT-6-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2026\/01\/CRT-6-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-523741 aligncenter webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/01\/CRT-6.jpg\" alt=\"CRT-6\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/01\/CRT-6.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/01\/CRT-6-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/01\/CRT-6-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<h2 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">V\u00ec sao m\u00e0n h\u00ecnh CRT kh\u00f4ng c\u00f2n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn?<\/span><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Nguy\u00ean nh\u00e2n l\u1edbn nh\u1ea5t khi\u1ebfn c\u00f4ng ngh\u1ec7 m\u00e0n h\u00ecnh \u1ed1ng tia \u00e2m c\u1ef1c b\u1ecb khai t\u1eed ch\u00ednh l\u00e0 s\u1ef1 ph\u00e1t tri\u1ec3n v\u01b0\u1ee3t b\u1eadc c\u1ee7a c\u00e1c d\u00f2ng m\u00e0n h\u00ecnh ph\u1eb3ng hi\u1ec7n \u0111\u1ea1i. LCD, LED v\u00e0 OLED kh\u00f4ng ch\u1ec9 s\u1edf h\u1eefu thi\u1ebft k\u1ebf m\u1ecfng nh\u1eb9 h\u01a1n m\u00e0 c\u00f2n \u0111\u00e1p \u1ee9ng hi\u1ec7u qu\u1ea3 nhu c\u1ea7u v\u1ec1 \u0111\u1ed9 ph\u00e2n gi\u1ea3i cao, kh\u1ea3 n\u0103ng ti\u1ebft ki\u1ec7m \u0111i\u1ec7n n\u0103ng v\u00e0 t\u00edch h\u1ee3p nhi\u1ec1u t\u00ednh n\u0103ng th\u00f4ng minh.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">B\u00ean c\u1ea1nh \u0111\u00f3, chi ph\u00ed s\u1ea3n xu\u1ea5t v\u00e0 v\u1eadn chuy\u1ec3n tivi ng\u00e0y c\u00e0ng tr\u1edf n\u00ean k\u00e9m hi\u1ec7u qu\u1ea3. Vi\u1ec7c ch\u1ebf t\u1ea1o c\u00e1c \u1ed1ng th\u1ee7y tinh k\u00edch th\u01b0\u1edbc l\u1edbn, n\u1eb7ng v\u00e0 kh\u00f3 t\u00e1i ch\u1ebf kh\u00f4ng c\u00f2n ph\u00f9 h\u1ee3p v\u1edbi xu h\u01b0\u1edbng c\u00f4ng nghi\u1ec7p hi\u1ec7n \u0111\u1ea1i, v\u1ed1n \u01b0u ti\u00ean t\u1ed1i \u01b0u chi ph\u00ed v\u00e0 th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng.<\/span><\/p>\n<p style=\"text-align: justify;\"><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2026\/01\/CRT-7.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2026\/01\/CRT-7-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2026\/01\/CRT-7-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-523742 aligncenter webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/01\/CRT-7.jpg\" alt=\"CRT-7\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/01\/CRT-7.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/01\/CRT-7-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/01\/CRT-7-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u0110\u1ed3ng th\u1eddi, th\u00f3i quen v\u00e0 nhu c\u1ea7u c\u1ee7a ng\u01b0\u1eddi d\u00f9ng c\u0169ng c\u00f3 s\u1ef1 thay \u0111\u1ed5i r\u00f5 r\u1ec7t. Ng\u01b0\u1eddi ti\u00eau d\u00f9ng ng\u00e0y c\u00e0ng \u01b0u ti\u00ean thi\u1ebft k\u1ebf g\u1ecdn g\u00e0ng, t\u00ednh th\u1ea9m m\u1ef9 cao v\u00e0 kh\u1ea3 n\u0103ng \u0111a n\u0103ng. Ch\u00ednh s\u1ef1 thay \u0111\u1ed5i \u0111\u1ed3ng th\u1eddi t\u1eeb c\u00f4ng ngh\u1ec7, th\u1ecb tr\u01b0\u1eddng v\u00e0 h\u00e0nh vi ng\u01b0\u1eddi d\u00f9ng \u0111\u00e3 \u0111\u01b0a tivi \u1ed1ng tia \u00e2m c\u1ef1c d\u1ea7n l\u00f9i v\u1ec1 vai tr\u00f2 l\u1ecbch s\u1eed.<\/span><\/p>\n<h2 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 CRT<\/span><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Trong qu\u00e1 tr\u00ecnh t\u00ecm hi\u1ec3u v\u1ec1 m\u00e0n h\u00ecnh \u1ed1ng tia \u00e2m c\u1ef1c, ng\u01b0\u1eddi d\u00f9ng th\u01b0\u1eddng \u0111\u1eb7t ra nhi\u1ec1u th\u1eafc m\u1eafc li\u00ean quan \u0111\u1ebfn kh\u1ea3 n\u0103ng s\u1eed d\u1ee5ng, m\u1ee9c \u0111\u1ed9 an to\u00e0n c\u0169ng nh\u01b0 gi\u00e1 tr\u1ecb th\u1ef1c t\u1ebf c\u1ee7a c\u00f4ng ngh\u1ec7 hi\u1ec3n th\u1ecb truy\u1ec1n th\u1ed1ng n\u00e0y \u1edf th\u1eddi \u0111i\u1ec3m hi\u1ec7n t\u1ea1i.<\/span><\/p>\n<h3 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">M\u00e0n h\u00ecnh \u1ed1ng tia \u00e2m c\u1ef1c c\u00f3 c\u00f2n \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t v\u00e0 b\u00e1n tr\u00ean th\u1ecb tr\u01b0\u1eddng kh\u00f4ng?<\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Hi\u1ec7n nay, m\u00e0n h\u00ecnh v\u00e0 tivi s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 \u1ed1ng tia \u00e2m c\u1ef1c h\u1ea7u nh\u01b0 kh\u00f4ng c\u00f2n \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t \u0111\u1ea1i tr\u00e0 cho th\u1ecb tr\u01b0\u1eddng ti\u00eau d\u00f9ng ph\u1ed5 th\u00f4ng. Ph\u1ea7n l\u1edbn c\u00e1c h\u00e3ng \u0111i\u1ec7n t\u1eed l\u1edbn \u0111\u00e3 d\u1eebng ho\u00e0n to\u00e0n d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t d\u00f2ng m\u00e0n h\u00ecnh truy\u1ec1n th\u1ed1ng n\u00e0y \u0111\u1ec3 chuy\u1ec3n sang LCD, LED v\u00e0 OLED \u2013 nh\u1eefng c\u00f4ng ngh\u1ec7 hi\u1ec3n th\u1ecb ph\u00f9 h\u1ee3p h\u01a1n v\u1edbi xu h\u01b0\u1edbng s\u1eed d\u1ee5ng hi\u1ec7n \u0111\u1ea1i.<\/span><\/p>\n<p style=\"text-align: justify;\"><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2026\/01\/CRT-8.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2026\/01\/CRT-8-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2026\/01\/CRT-8-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-523743 aligncenter webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/01\/CRT-8.jpg\" alt=\"CRT-8\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/01\/CRT-8.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/01\/CRT-8-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/01\/CRT-8-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Tr\u00ean th\u1ecb tr\u01b0\u1eddng, <\/span><b>CRT <\/b><span style=\"font-weight: 400;\">ch\u1ec9 c\u00f2n xu\u1ea5t hi\u1ec7n d\u01b0\u1edbi d\u1ea1ng h\u00e0ng t\u1ed3n kho c\u0169, h\u00e0ng \u0111\u00e3 qua s\u1eed d\u1ee5ng ho\u1eb7c ph\u1ee5c v\u1ee5 m\u1ed9t s\u1ed1 m\u1ee5c \u0111\u00edch r\u1ea5t \u0111\u1eb7c th\u00f9 nh\u01b0 thi\u1ebft b\u1ecb nghi\u00ean c\u1ee9u, h\u1ec7 th\u1ed1ng hi\u1ec3n th\u1ecb chuy\u00ean d\u1ee5ng. V\u00ec v\u1eady, ng\u01b0\u1eddi d\u00f9ng g\u1ea7n nh\u01b0 kh\u00f4ng th\u1ec3 t\u00ecm mua tivi m\u1edbi v\u1edbi ch\u1ebf \u0111\u1ed9 b\u1ea3o h\u00e0nh ch\u00ednh h\u00e3ng nh\u01b0 c\u00e1c d\u00f2ng tivi hi\u1ec7n nay.<\/span><\/p>\n<h3 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Tivi s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 \u1ed1ng tia \u00e2m c\u1ef1c c\u00f3 \u01b0u \u0111i\u1ec3m g\u00ec so v\u1edbi m\u00e0n h\u00ecnh hi\u1ec7n \u0111\u1ea1i?<\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">D\u00f9 \u0111\u00e3 \u0111\u01b0\u1ee3c xem l\u00e0 c\u00f4ng ngh\u1ec7 l\u1ed7i th\u1eddi, tivi \u1ed1ng tia \u00e2m c\u1ef1c v\u1eabn s\u1edf h\u1eefu m\u1ed9t s\u1ed1 \u01b0u \u0111i\u1ec3m k\u1ef9 thu\u1eadt nh\u1ea5t \u0111\u1ecbnh. Ti\u00eau bi\u1ec3u l\u00e0 \u0111\u1ed9 tr\u1ec5 h\u00ecnh \u1ea3nh r\u1ea5t th\u1ea5p, gi\u00fap hi\u1ec3n th\u1ecb chuy\u1ec3n \u0111\u1ed9ng m\u01b0\u1ee3t v\u00e0 ph\u1ea3n h\u1ed3i g\u1ea7n nh\u01b0 t\u1ee9c th\u00ec. B\u00ean c\u1ea1nh \u0111\u00f3, m\u00e0n h\u00ecnh kh\u00f4ng ph\u1ee5 thu\u1ed9c v\u00e0o \u0111\u1ed9 ph\u00e2n gi\u1ea3i c\u1ed1 \u0111\u1ecbnh, do \u0111\u00f3 c\u00f3 th\u1ec3 hi\u1ec3n th\u1ecb nhi\u1ec1u chu\u1ea9n t\u00edn hi\u1ec7u kh\u00e1c nhau m\u00e0 kh\u00f4ng l\u00e0m suy gi\u1ea3m ch\u1ea5t l\u01b0\u1ee3ng h\u00ecnh \u1ea3nh m\u1ed9t c\u00e1ch r\u00f5 r\u1ec7t.<\/span><\/p>\n<p style=\"text-align: justify;\"><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2026\/01\/CRT-9.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2026\/01\/CRT-9-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2026\/01\/CRT-9-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-523744 aligncenter webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/01\/CRT-9.jpg\" alt=\"CRT-9\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/01\/CRT-9.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/01\/CRT-9-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/01\/CRT-9-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Kh\u1ea3 n\u0103ng hi\u1ec3n th\u1ecb m\u00e0u \u0111en s\u00e2u v\u00e0 g\u00f3c nh\u00ecn r\u1ed9ng c\u0169ng l\u00e0 nh\u1eefng \u0111i\u1ec3m m\u00e0 nhi\u1ec1u ng\u01b0\u1eddi d\u00f9ng l\u00e2u n\u0103m v\u1eabn \u0111\u00e1nh gi\u00e1 cao. Tuy nhi\u00ean, c\u00e1c \u01b0u \u0111i\u1ec3m n\u00e0y ch\u1ec9 th\u1ef1c s\u1ef1 c\u00f3 \u00fd ngh\u0129a trong nh\u1eefng nhu c\u1ea7u s\u1eed d\u1ee5ng r\u1ea5t chuy\u00ean bi\u1ec7t.<\/span><\/p>\n<h3 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng tivi \u1ed1ng tia \u00e2m c\u1ef1c hi\u1ec7n nay c\u00f3 c\u00f2n ph\u00f9 h\u1ee3p kh\u00f4ng?<\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Trong b\u1ed1i c\u1ea3nh nhu c\u1ea7u gi\u1ea3i tr\u00ed v\u00e0 l\u00e0m vi\u1ec7c ng\u00e0y c\u00e0ng cao, tivi <\/span><b>CRT <\/b><span style=\"font-weight: 400;\">kh\u00f4ng c\u00f2n l\u00e0 l\u1ef1a ch\u1ecdn ph\u00f9 h\u1ee3p cho ng\u01b0\u1eddi d\u00f9ng ph\u1ed5 th\u00f4ng. K\u00edch th\u01b0\u1edbc c\u1ed3ng k\u1ec1nh, m\u1ee9c ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng l\u1edbn c\u00f9ng nh\u1eefng h\u1ea1n ch\u1ebf v\u1ec1 \u0111\u1ed9 ph\u00e2n gi\u1ea3i khi\u1ebfn tivi s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 \u1ed1ng tia \u00e2m c\u1ef1c kh\u00f3 \u0111\u00e1p \u1ee9ng c\u00e1c n\u1ed9i dung hi\u1ec7n \u0111\u1ea1i nh\u01b0 truy\u1ec1n h\u00ecnh s\u1ed1, phim HD hay c\u00e1c n\u1ec1n t\u1ea3ng tr\u1ef1c tuy\u1ebfn. Tuy v\u1eady, v\u1edbi m\u1ee5c \u0111\u00edch s\u01b0u t\u1ea7m, ho\u00e0i ni\u1ec7m ho\u1eb7c s\u1eed d\u1ee5ng cho m\u1ed9t s\u1ed1 thi\u1ebft b\u1ecb \u0111\u1eddi c\u0169, d\u00f2ng m\u00e0n h\u00ecnh truy\u1ec1n th\u1ed1ng n\u00e0y v\u1eabn gi\u1eef \u0111\u01b0\u1ee3c gi\u00e1 tr\u1ecb nh\u1ea5t \u0111\u1ecbnh.<\/span><\/p>\n<p style=\"text-align: justify;\"><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2026\/01\/CRT-10.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2026\/01\/CRT-10-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2026\/01\/CRT-10-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-523745 aligncenter webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/01\/CRT-10.jpg\" alt=\"CRT-10\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/01\/CRT-10.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/01\/CRT-10-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/01\/CRT-10-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<h3 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">M\u00e0n h\u00ecnh \u1ed1ng tia \u00e2m c\u1ef1c c\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ee9c kh\u1ecfe ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng?<\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">So v\u1edbi c\u00e1c d\u00f2ng m\u00e0n h\u00ecnh hi\u1ec7n \u0111\u1ea1i, m\u00e0n h\u00ecnh s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 \u1ed1ng tia \u00e2m c\u1ef1c t\u1eebng khi\u1ebfn ng\u01b0\u1eddi d\u00f9ng lo ng\u1ea1i v\u1ec1 hi\u1ec7n t\u01b0\u1ee3ng nh\u1ea5p nh\u00e1y v\u00e0 m\u1ee9c b\u1ee9c x\u1ea1 r\u1ea5t th\u1ea5p trong qu\u00e1 tr\u00ecnh ho\u1ea1t \u0111\u1ed9ng. Trong \u0111i\u1ec1u ki\u1ec7n s\u1eed d\u1ee5ng b\u00ecnh th\u01b0\u1eddng, c\u00e1c thi\u1ebft b\u1ecb tivi n\u00e0y \u0111\u1ea1t ti\u00eau chu\u1ea9n an to\u00e0n v\u1eabn kh\u00f4ng g\u00e2y nguy hi\u1ec3m tr\u1ef1c ti\u1ebfp \u0111\u1ebfn s\u1ee9c kh\u1ecfe. Tuy nhi\u00ean, vi\u1ec7c quan s\u00e1t m\u00e0n h\u00ecnh \u1ed1ng tia \u00e2m c\u1ef1c trong th\u1eddi gian d\u00e0i c\u00f3 th\u1ec3 g\u00e2y m\u1ecfi m\u1eaft nhi\u1ec1u h\u01a1n so v\u1edbi m\u00e0n h\u00ecnh ph\u1eb3ng th\u1ebf h\u1ec7 m\u1edbi, ch\u1ee7 y\u1ebfu do t\u1ea7n s\u1ed1 qu\u00e9t v\u00e0 c\u00f4ng ngh\u1ec7 hi\u1ec3n th\u1ecb \u0111\u00e3 l\u1ed7i th\u1eddi.<\/span><\/p>\n<p style=\"text-align: justify;\"><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2026\/01\/CRT-11.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2026\/01\/CRT-11-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2026\/01\/CRT-11-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-523746 aligncenter webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/01\/CRT-11.jpg\" alt=\"CRT-11\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/01\/CRT-11.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/01\/CRT-11-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/01\/CRT-11-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<h2 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">L\u1eddi k\u1ebft<\/span><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">S\u1ef1 tho\u00e1i tr\u00e0o c\u1ee7a m\u00e0n h\u00ecnh <\/span><b>CRT <\/b><span style=\"font-weight: 400;\">kh\u00f4ng xu\u1ea5t ph\u00e1t t\u1eeb ch\u1ea5t l\u01b0\u1ee3ng k\u00e9m, m\u00e0 \u0111\u1ebfn t\u1eeb nh\u1eefng gi\u1edbi h\u1ea1n t\u1ef1 nhi\u00ean c\u1ee7a m\u1ed9t c\u00f4ng ngh\u1ec7 \u0111\u00e3 ho\u00e0n th\u00e0nh s\u1ee9 m\u1ec7nh l\u1ecbch s\u1eed. Khi nhu c\u1ea7u v\u1ec1 thi\u1ebft k\u1ebf m\u1ecfng nh\u1eb9, \u0111\u1ed9 ph\u00e2n gi\u1ea3i cao v\u00e0 kh\u1ea3 n\u0103ng ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng ng\u00e0y c\u00e0ng gia t\u0103ng, c\u00f4ng ngh\u1ec7 m\u00e0n h\u00ecnh \u1ed1ng tia \u00e2m c\u1ef1c kh\u00f4ng c\u00f2n ph\u00f9 h\u1ee3p v\u1edbi xu h\u01b0\u1edbng ph\u00e1t tri\u1ec3n chung. D\u00f9 v\u1eady, nh\u1eefng \u0111\u00f3ng g\u00f3p c\u1ee7a d\u00f2ng m\u00e0n h\u00ecnh truy\u1ec1n th\u1ed1ng n\u00e0y \u0111\u1ed1i v\u1edbi s\u1ef1 h\u00ecnh th\u00e0nh v\u00e0 ph\u00e1t tri\u1ec3n c\u1ee7a ng\u00e0nh truy\u1ec1n h\u00ecnh c\u0169ng nh\u01b0 m\u00e1y t\u00ednh c\u00e1 nh\u00e2n v\u1eabn l\u00e0 \u0111i\u1ec1u kh\u00f4ng th\u1ec3 ph\u1ee7 nh\u1eadn.<\/span><\/p>\n<p style=\"text-align: justify;\"><strong>XEM TH\u00caM:<\/strong><\/p>\n<p><strong><a href=\"https:\/\/hoanghamobile.com\/tin-tuc\/32-inch-bang-bao-nhieu-cm\/\">32 inch b\u1eb1ng bao nhi\u00eau cm? K\u00edch th\u01b0\u1edbc tivi 32 inch chu\u1ea9n<\/a><\/strong><\/p>\n<p><strong><a href=\"https:\/\/hoanghamobile.com\/tin-tuc\/tcl-cua-nuoc-nao\/\">TCL c\u1ee7a n\u01b0\u1edbc n\u00e0o? T\u00ecm hi\u1ec3u th\u01b0\u01a1ng hi\u1ec7u v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng tivi TCL<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Trong l\u1ecbch s\u1eed ph\u00e1t tri\u1ec3n c\u1ee7a c\u00f4ng ngh\u1ec7 hi\u1ec3n th\u1ecb, m\u00e0n h\u00ecnh \u1ed1ng tia \u00e2m c\u1ef1c t\u1eebng gi\u1eef vai tr\u00f2 trung t\u00e2m v\u00e0 g\u1ea7n nh\u01b0 kh\u00f4ng c\u00f3 \u0111\u1ed1i th\u1ee7 trong su\u1ed1t nhi\u1ec1u th\u1eadp k\u1ef7. Tuy nhi\u00ean, khi c\u00e1c c\u00f4ng ngh\u1ec7 m\u00e0n h\u00ecnh ph\u1eb3ng hi\u1ec7n \u0111\u1ea1i ra \u0111\u1eddi v\u00e0 kh\u00f4ng ng\u1eebng c\u1ea3i ti\u1ebfn, d\u00f2ng m\u00e0n h\u00ecnh [&hellip;]<\/p>\n","protected":false},"author":65,"featured_media":523735,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16,30567],"tags":[],"class_list":["post-523734","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-thu-thuat","category-tivi"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.2 (Yoast SEO v24.2) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>CRT l\u00e0 g\u00ec? \u01afu nh\u01b0\u1ee3c \u0111i\u1ec3m v\u00e0 l\u00fd do m\u00e0n h\u00ecnh CRT d\u1ea7n bi\u1ebfn m\u1ea5t<\/title>\n<meta name=\"description\" content=\"Ho\u00e0ng H\u00e0 Mobile s\u1ebd ph\u00e2n t\u00edch to\u00e0n di\u1ec7n c\u00f4ng ngh\u1ec7 hi\u1ec3n th\u1ecb CRT v\u00e0 l\u00fd do v\u00ec sao tivi CRT kh\u00f4ng c\u00f2n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u01b0 tr\u01b0\u1edbc.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/hoanghamobile.com\/tin-tuc\/crt\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"CRT l\u00e0 g\u00ec? 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