Qhov kev ua haujlwm kub kub ua haujlwm li cas ntawm cov zaub coj?Nrog rau kev siv ntau ntxiv ntawm LED cov ntxaij vab tshaus niaj hnub no, txhawm rau ua kom qhov zoo tshaj plaws ntawm lub vijtsam zaub, cov neeg siv yuav tsum muaj kev nkag siab txog kev saib xyuas ntawm LED zaub screen.Txawm hais tias nws yog LED sab hauv tsev lossis sab nraum zoov LED zaub, cua sov yuav raug tsim tawm thaum lub sijhawm ua haujlwm, thiab cov khoom siv hluav taws xob tsim hluav taws xob yuav ua rau qhov kub ntawm LED zaub nce.Tab sis, koj puas paub tias qhov kev ua haujlwm kub kub ua haujlwm zoo li cas ntawm cov zaub coj?Wb tham txog Shenzhen LED zaub chaw tsim tshuaj paus Tuosheng Optoelectronics.

Nyob rau hauv ib txwm muaj xwm txheej, sab hauv LED cov lus qhia ua kom muaj cua sov tsawg dua vim qhov ci ntsa iab thiab tuaj yeem ploj mus lawm.Txawm li cas los xij, lub vijtsam LED sab nraum zoov ua rau muaj cua sov ntau vim nws qhov ci ntsa iab, thiab nws yuav tsum tau dissipated los ntawm lub tshuab cua txias lossis kiv cua axial.Txij li thaum LED zaub yog ib qho khoom siv hluav taws xob, qhov kub thiab txias yuav cuam tshuam rau lub teeb attenuation ntawm LED zaub teeb hlaws, yog li txo qis kev ua haujlwm ntawm tus tsav tsheb IC thiab ua rau lub neej ua haujlwm ntawm LED zaub.

1. LED zaub qhib Circuit Court tsis ua hauj lwm: qhov ua hauj lwm kub ntawm LED zaub tshaj lub load kub ntawm lub nti, uas yuav sai sai txo lub luminous efficiency ntawm lub LED hluav taws xob screen, ua kom pom tseeb lub teeb attenuation thiab ua rau kev puas tsuaj;LED zaub yog tsim los ntawm pob tshab epoxy resin.Rau kev ntim khoom, yog tias qhov sib txuas kub siab tshaj qhov kub hloov pauv hloov pauv (feem ntau yog 125 ° C), cov khoom ntim yuav tig mus rau hauv cov roj hmab thiab cov coefficient ntawm thermal expansion yuav nce siab, ua rau qhib Circuit Court tsis ua hauj lwm ntawm LED zaub.Qhov kub ntau dhau yuav cuam tshuam rau lub teeb tawg ntawm LED zaub.Lub neej ntawm LED zaub yog cuam tshuam los ntawm nws lub teeb attenuation, uas yog, qhov ci ntsa iab yuav qis dua thiab qis dua nrog lub sijhawm dhau mus txog thaum nws tawm mus.Qhov kub thiab txias yog lub ntsiab ua rau lub teeb attenuation ntawm LED zaub, thiab nws yuav shorten lub neej ntawm LED zaub.Lub teeb attenuation ntawm ntau hom ntawm LED zaub yog txawv, feem ntau Shenzhen LED zaub manufacturers yuav muab ib tug txheej txheem teeb attenuation curves.Lub attenuation ntawm lub luminous flux ntawm LED hluav taws xob screen tshwm sim los ntawm kub kub yog irreversible.

Lub luminous flux ua ntej lub teeb irreversible attenuation ntawm LED zaub yog hu ua "thawj luminous flux" ntawm lub LED hluav taws xob screen.

2. Qhov kub thiab txias yuav txo qhov luminous efficiency ntawm LED zaub: qhov kub thiab txias nce, qhov concentration ntawm electrons thiab qhov nce, qhov sib txawv band yuav txo, thiab electron txav mus los txo;qhov kub nce, cov electrons nyob rau hauv lub peev xwm zoo yuav txo lub qhov Qhov muaj peev xwm ntawm hluav taws xob recombination ua rau tsis-radiative recombination (cua sov), yog li txo cov quantum efficiency ntawm LED zaub;Qhov kub nce siab ua rau lub ncov xiav ntawm cov nti txav mus rau qhov kev taw qhia yoj ntev, ua rau lub emission wavelength ntawm cov nti sib xyaw nrog phosphor.Qhov tsis sib haum xeeb ntawm qhov excitation wavelength kuj tseem yuav ua rau lub teeb pom kev sab nraud ntawm lub teeb pom kev zoo ntawm LED zaub kom txo qis.Screen: Raws li qhov kub thiab txias nce, qhov quantum efficiency ntawm phosphor txo, cov nqi ntawm lub teeb emissions txo, thiab lub sab nraud lub teeb extraction efficiency ntawm LED zaub txo.Kev ua haujlwm ntawm silica gel yog cuam tshuam ntau dua los ntawm qhov kub thiab txias.Raws li qhov kub thiab txias, qhov thermal stress nyob rau hauv lub silica gel nce, ua rau lub refractive index ntawm silica gel txo, yog li cuam tshuam lub teeb efficiency ntawm LED zaub.