Tsev > Exhibition > Ntsiab lus

dab tsi yog LCD backlight

Apr 07, 2017

Kua siv lead ua zaub (LCD) tsis ua tej teeb los ntawm nws tus kheej, li ntawd, nws xav tau ib lub teeb qhov chaw yuav ci ntsa iab ib tug duab thiab ua rau nws pom. Nyob rau hauv laptop LCDs no illumination yog ua tau nrog ib tug backlight, hu li ntawd vim hais tias nws yog positioned ntawm cov rov qab los yog sab ntawm lub vaj huam sib luag. LCD panels tuaj nrog cov Backlights ua-nyob rau hauv thiab feem ntau los ntawm lub xeem txheej ntawm lub LCD screen. Lub teeb qhov chaw nyob rau hauv lub backlight yog feem ntau ua los ntawm cov nram qab no:
-Cold cathode Fluorescent Teeb. (CCFL)
- Lub teeb emitting Diode (LED)
LED lub yog ib tug newer technology thiab siv ib tug matrix los yog ib tug sawb ntawm LED lub es tsis txhob ntawm ib tug raj. Feem ntau cov LED raws li Backlights tsis tas yuav inverters. LED Backlights twb siv nyob rau hauv feem ntau cov ntxaij zoo li TV, desktop screen, PC saib, laptop LCD screen, ntsiav tshuaj screen. LED siv nyob rau hauv laptop cov ntxaij vab tshaus twb nyuam qhuav ua nrov vim zoo nyob rau hauv loj, lub hwj chim noj, thiab lwm yam