Tsis txhob cia ib yam dab tsi nrog cov dej noo nkag rau hauv LCD zaub. Tau kawg, tsis txhob ntshai yog tias qhov xwm txheej no tshwm sim. Yog tias koj tsuas pom pos huab ntawm qhov screen ua ntej tig nws, maj mam so nws nrog ib daim ntaub mos muag. Yog tias cov dej tau nkag mus rau hauv LCD zaub, muab tso rau hauv qhov chaw zoo thiab qhov chaw qhuav kom maj mam evaporate cov dej noo sab hauv. Yog tias lub vijtsam "ua kom ntub dej" hnyav dua, cov neeg siv zoo tib yam yuav tsum hu rau tus neeg muab kev pabcuam kom tau txais kev pabcuam, Vim tias cov dej noo hnyav tuaj yeem ua rau cov khoom siv ntawm LCD, ua rau corrosion ntawm LCD electrodes thiab ua rau kev puas tsuaj mus tas li. Tsis tas li ntawd, nws raug nquahu kom tsis txhob siv LCD saib hauv qhov chaw ntub dej ntau li ntau tau.
