Xim Qhov Zoo Ntawm LED Backlights
Oct 07, 2022| Hais txog kev qhia xim, LED backlight tseem zoo dua li CCFL. Tus thawj CCFL backlight tsis ua tau zoo nyob rau hauv cov nqe lus ntawm cov xim gradation vim xim purity teeb meem. Qhov no ua rau LCD ua tsis zoo rau CRT hauv grayscale thiab xim hloov. LEDs ua rau qhov tsis muaj CCFL backlights nyob rau hauv cov xim liab, ua rau cov xim saturation ntawm cov khoom siv lead ua kua mus rau qib ze rau 100 feem pua.
Ob leeg Sharp thiab Sony tau qhia cov khoom siv uas siv LED backlight technology. Ua tiav qhov sib piv siab piv rau plasma TVs, thaum txhim kho cov xim luam tawm zoo, nws coj lub cev nyias thiab sib dua. Nws tsuas yog hais tias kev tsim cov LEDs yog qhov siab, thiab cov khoom siv dawb LED yog monopolized los ntawm ntau lub tuam txhab loj, thiab cov khoom tso tawm tsis tuaj yeem nce ntxiv, yog li tus nqi siab.