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Qhov tseem ceeb ntawm dawb LED teeb lub tshav kub dissipation teeb meem kua highlight

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Qhov tseem ceeb ntawm dawb LED teeb lub tshav kub dissipation teeb meem highlight

1. cov feem ntawm lub cua sov rau cov qib high school-brightness LED

Sab nraud yog concentrated hauv lub nti nrog me, si nti kub, tis tsis niaj hnub zoo li cov thermal kev nyuab siab yog tshwm sim los, tus efficiency ntawm lub nti tsis thiab cov efficiency lasing ntawm tus phosphor yog tsis. Thaum tus kub tshaj tej yam muaj nqis, qhov twg tsis ua hauj lwm ntawm tus dais tsub kom exponentially. Txheeb cais qhia tias kom txhua 2 C ntxiv rau qhov kub thiab txias tivthaiv, kev cia siab rau nej ntawd txo 10%. Thaum LEDs ntau cov densely txheej txheem ntawm tsim muaj ib lub teeb dawb lawv, qhov teeb meem kub dissipation tseem loj dua. Dlaws teeb meem los xyuas dua thermal kuj yog ib lub prerequisite rau daim ntaub ntawv LED-brightness.

2. cov me me nti thiab txoj kev sib raug zoo ntawm tshav kub

Feem ntau tib neeg kev ua rau kom lub brightness ntawm cov hwjchim LED yog kom input fais fab, thiab kom tsis txhob saturation ntawm lub txheej, lub hlws ris p-n qhov luaj li cas yuav tsum muab ntau zog raws li; ua rau lub hlws ris kub sawv ua zog input inevitably thiab cov quantum efficiency decreases. Ib leeg-raj muaj hwj huam nyob ntawm tus ntaus ntawv lug txhim khu lub peev xwm kom sov tawm ntawm lub pn hlws ris, hos tuav khoom nti uas twb muaj lawm, qauv, ntim taug txoj cai, lub hav ntom nti tam sim no thiab cov qub thaum tshav kub kub dissipation puag, ua rau kom tus me me nti, kub yuav sawv.


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