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Kev faib tawm ntawm kev teeb tsa thiab kev tsim teeb ntawm lub teeb

Kev faib tawm ntawm kev teeb tsa thiab kev tsim teeb ntawm lub teeb

Oct 19, 2017

Backlight (txij no mus rau B / L) raws li Teeb Lub Teeb (tube) ntawm Txoj Kev Ncaj Ncees thiab Lub Teeb Hom. Sab Lub Teeb Ntaus ntawm lub teeb ntawm lub teeb tawm ntawm lub teeb ci tawm ntawm lub teeb ci mus rau B / L tawm pom kev zoo, tab sis Direct Lub Teeb Lub Teeb ntawm lub teeb tawm ncaj nraim mus rau B / L pem hauv ntej lub teeb qhia daim phiaj, yog li ntawd yog tsis xav tau.

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Xam 1-1 Lub Teeb Lub Teeb thiab Lub Teeb Hom


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TFT-LCD B / L teeb qhov siv Cathode teeb Fluorescent teeb, los ntawm sab nraud khoom ntawm ib yam voltage, tso tawm ntawm electrons ntawm cathode, luam lub phosphor thiab ua pom pom qhov chaw. Tus qauv ntawm CFL muaj iav phaj, electrode, gas sealing (Hg, Ar, Ne) thiab phosphor. CFL yog ib qho kev tswj tus kheej mercury ultraviolet sab scanning hauv iav raj coated nrog phosphor thiab pom teeb. Thiaj li yuav ua rau me me muaj mercury yooj yim pib, thiab inhibit cathodic khoom evaporation hauv iav raj foob pob zeb. CFL raws li hom kev tso tawm hluav taws xob muaj CCFL (Mob khaub thuas Cathode Fluorescent Teeb) thiab HCFL (Kub Cathode Fluorescent Teeb) ob.

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