Txog LCD TV backlight

Raws li paub zoo, lub cav siv ua kua ua kua rau nws tus kheej tsis tuaj yeem tawm lub teeb, thiab lub teeb ci ntsa iab yuav tsum yog ib qho teeb ci. Lub LCD zoo li lub qhov rais me me uas tswj lub teeb thiab kev kaw ntawm lub teeb, thiab tom qab ntawd mam hloov lub teeb rau hauv liab, ntsuab thiab xiav los ntawm xim xim los ua ib qho screen TV. Nyob rau hnub thaum ntxov, muaj ib qho peb-thawj RGB backlight, tab sis tus nqi siab, thiab nws muaj tam sim no zoo. Tam sim no, LCD TV backlights ntawm lub lag luam yog cov dawb (cov quantum dot TV yog ib qho tseem ceeb heev, thiab nws tseem yog peb lub ntsiab xim nws tus kheej-illuminating). Txawm li cas los xij, cov dawb LED zoo siab los ntawm lub teeb xiav, thiab xim tsis meej kiag li, thiab nws nyhav kom daj. Qhov no yog ib qho ntawm cov txheej xwm vim li cas tus neeg txhawb siab feem ntau hais tias cov xim gamut ntawm LCD TV yog pluag.

Ntxiv nrog rau qhov xim, qhov loj tshaj thawj kev txhaum ntawm LCD TV backlights yog qhov sib txawv. Qhov nruab nrab ntawm lub teeb pom kev ntawm tus kheej yuav muab tua ncaj qha thaum nws dub, thiab nws yog "dawb huv dub", thiab LCD TV yuav tsis pom tseeb tseeb dub vim muaj cov teeb pom kev zoo, qhov sib txawv ntawd yog qhov tsis muaj zog ntawm LCD TV .

Ib qho yooj yim dua rau LCD TVs yog tias lawv yog nqus lub teeb. Lub npe hu ua "LCD" TV, uas feem ntau tau hais hauv phau ntawv qhia yav dhau los, yog qhov hu ua CCFL TV. Nws siv cov hluav taws xob ua kom pom tseeb li qhov pom kev. Qhov nrig qaum yog qhov tseem ceeb, tab sis nws loj loj yog nws tsis muaj zog. Nws yog tom qab hloov los ntawm tam sim no mainstream LED backlight. Lub LED kuj yog ib lub teeb-emitting diode, thiab tseem muab faib ua ob hom ua ib qho kev teeb pom kev zoo, ib qho ncaj hom thiab ib hom tshuaj. Yeej piav qhia ncaj qha, qhov ncaj qha yog tias ib lub laub rau ntawm lub TV hauv qab ntawm lub TV, thiab sab nraud yog ib lub teeb ntawm LED teeb tso rau ntawm ntug hauv TV. Nws yog conceivable tias qhov ncaj qha-lit teeb backlight yuav muaj ntau dua uniform, tab sis tib lub sij hawm nws tsis yog nyias thiab lub teeb raws li ib sab-hauv hom. Raws li TVs nce siab rau tsim, sab nraum litlights muaj maj ua feem ntau.

Txawm li cas los xij, qhov pom ntawm ultra-thin ntawm lub sab nraud TV yog zoo nkauj heev, tab sis sab nraud ntawm lub teeb pom kev zoo los ntawm lub teeb qhia cov lus qhia kom pom cov LED teeb ntawm lub TV ntawm sab nraum qab ntawm lub TV, yog li ntawd nws yog tshwj xeeb heev rau lub teeb tov. Nws tuaj yeem hais tias lub teeb xau yog tsuas yog ib qho kev kawm rau sab hauv TV, thiab tsis tuaj yeem zam dhau. Txawm li cas los xij, raws li cov hom kev lag luam hauv khw muag khoom muaj tsawg dua thiab tsawg dua, cov neeg siv uas tsis tshua muaj siab rau lub teeb pom kev zoo yuav tsum ua tib zoo xaiv lub TV thaum lawv yuav lawv.

Txawm li cas los, TV tub lag luam yuav tsis zaum. Rau qhov teeb meem ntawm qhov tsis zoo ntawm LCD TVs, lawv tau tsim ntau cov tswv yim los tswj kev teeb pom kev thiab tsaus ntuj, uas tau kho qhov sib txawv ntawm TVs rau qee qhov twg.