Luminous Efficiency Ntawm RGB Led

Nws yog feem ntau hu ua sab nraud quantum efficiency ntawm cov tivthaiv, uas yog cov khoom ntawm lub internal quantum efficiency ntawm lub tivthaiv thiab kev tshem tawm efficiency ntawm lub tivthaiv. Lub thiaj li hu ua internal quantum efficiency ntawm lub module yog tiag tiag lub electro-optical conversion efficiency ntawm lub module nws tus kheej, uas yog feem ntau muaj feem xyuam rau cov yam ntxwv ntawm lub module nws tus kheej (xws li lub zog band, tsis xws luag, impurities ntawm module khoom), lub barrier siv lead ua muaj pes tsawg leeg thiab cov qauv ntawm lub module, thiab lwm yam. Qhov kev tshem tawm efficiency ntawm lub module yog hais txog tus naj npawb ntawm photons generated nyob rau hauv lub module uas yuav tsum tau ntsuas nyob rau hauv lub module tom qab absorbed, refracted thiab reflected los ntawm lub module nws tus kheej. Yog li ntawd, cov yam tseem ceeb ntawm kev tshem tawm kev ua tau zoo suav nrog kev nqus ntawm cov khoom siv nws tus kheej, cov qauv geometric ntawm cov khoom, qhov sib txawv ntawm qhov sib txawv ntawm cov khoom thiab cov khoom ntim, thiab cov yam ntxwv ntawm cov khoom siv. Cov khoom ntawm lub sab hauv quantum efficiency ntawm cov tivthaiv thiab kev tshem tawm efficiency ntawm lub tivthaiv yog lub luminous nyhuv ntawm tag nrho cov tivthaiv, uas yog, lub sab nraud quantum efficiency ntawm lub tivthaiv. Kev txhim kho thaum ntxov module tsom rau kev txhim kho nws cov quantum efficiency. Txoj hauv kev tseem ceeb yog txhawm rau txhim kho qhov zoo ntawm qhov barrier siv lead ua thiab hloov cov qauv ntawm barrier siv lead ua, kom hluav taws xob hluav taws xob tsis yooj yim hloov mus rau hauv lub zog hluav taws xob, thiab tom qab ntawd indirectly txhim kho lub luminous efficiency ntawm LED, li ntawm 70 feem pua. theoretical internal quantum efficiency yuav tau txais, tab sis xws li internal quantum efficiency yuav luag ze rau theoretical txwv. Nyob rau hauv cov ntaub ntawv no, nws yog tsis yooj yim sua los txhim kho tag nrho lub teeb kom muaj nuj nqis ntawm lub module los ntawm kev txhim kho lub internal quantum efficiency ntawm lub module, yog li kev txhim kho qhov kev tshem tawm efficiency ntawm lub module tau los ua ib tug tseem ceeb kev tshawb fawb lub ntsiab lus. Cov txheej txheem tseem ceeb yog: kev hloov ntawm cov qoob loo - TIP qauv, nto roughening tshuab.