Ua ntej ntawm tag nrho cov, saib cov tsos ntawm daim ntawv. Cov ntawv thermal ntawm cov khoom zoo muaj cov xim zoo sib xws, zoo smoothness, siab whiteness thiab me ntsis ntsuab. Yog tias daim ntawv yog xim dawb heev, ces cov txheej tiv thaiv thiab thermal txheej ntawm daim ntawv tsis tsim nyog, ntau phosphor tau ntxiv, yog tias daim ntawv tsis du lossis zoo li tsis sib xws, ces daim ntawv txheej tsis sib xws, yog tias daim ntawv zoo li cuam tshuam. Lub teeb muaj zog heev, thiab ntxiv phosphor ntau dhau.
Qhov thib ob, siv hluav taws kub kub rau sab nraum qab ntawm daim ntawv. Yog tias cov xim ntawm daim ntawv yog xim av, nws txhais tau tias cov qauv thermal tsis tsim nyog, thiab lub sijhawm cia yuav luv luv. Yog tias qhov dub ntawm daim ntawv muaj cov kab txaij me me lossis cov xim thaiv tsis sib xws, qhia tias cov txheej txheem tsis sib xws. Cov ntawv zoo dua yuav tsum yog xim ntsuab tsaus tom qab cua sov, thiab cov xim thaiv cov xim tsis sib xws, thiab xim maj mam ploj ntawm qhov chaw mus rau qhov chaw.