Direct Hom LED Backlight

Qhov ncaj-hom backlight muaj cov txheej txheem yooj yim thiab tsis xav tau lub teeb qhia lub phaj. LED array yog muab tso rau hauv qab ntawm lub teeb lub thawv. Lub teeb emissions los ntawm LED yog reflected los ntawm lub hauv qab thiab sab qhov chaw, thiab ces tusyees tawm los ntawm lub diffuser phaj thiab kho qhov muag module ntawm qhov chaw. Lub thickness ntawm qhov ncaj hom backlight yog txiav txim los ntawm qhov kev ncua deb ntawm lub hauv qab ntawm lub teeb lub thawv thiab lub diffuser phaj. Feem ntau, qhov tuab tuab, qhov zoo dua lub teeb uniformity ntawm lub backlight. Nyob rau hauv cov ntaub ntawv ntawm nyias backlights, xim thiab brightness uniformity ua tus yuam sij rau kev ncaj-lit backlights. Lub teeb pom kev sib faib hom ntawm LED teeb ua lub luag haujlwm tseem ceeb hauv cov xim thiab qhov ci ci tsis sib xws ntawm qhov chaw teeb pom kev zoo. LED teeb siv nyob rau hauv backlight qhov chaw feem ntau muaj ob hom: Lambertian hom thiab ntug-emitting hom. Lub teeb sib xws, feem ntau ntawm cov teeb pom kev ncaj nraim siv ntug-emitting LEDs. Txawm li cas los xij, vim yog lub teeb qis qis hauv nruab nrab ntawm lub kaum sab xis loj-emitting LED, nws yog ib qho yooj yim uas yuav ua rau tsaus me ntsis, uas cuam tshuam rau cov uniformity ntawm lub backlight qhov chaw.