Yeyiphi imiba eyakuchaphazela uMgangatho wokuBola koKhanya weModyuli yoMthombo wokuKhanya we-LED

Idatha efunyenwe sisibane esinye esimhlophe se-LED kwibhodi yokuguga, kwaye idatha efunyenwe xa idityaniswe izibane ezimhlophe ze-LED ekugugeni kwesibane ngokuqinisekileyo iphumile. Ubungakanani balo mahluko buxhomekeke kwiiparamitha zombane kunye noyilo lwezibane ngexesha lemodyuli yomthombo wokukhanya kwe-LED, kunye nokusingqongileyo okusetyenziswe zizibane. Okokuqala, luhlobo luni lwezibane ze-LED ezikhethayo. Oku kubaluleke kakhulu. Umgangatho wezibane ze-LED unokuthiwa yinto ebaluleke kakhulu. Ngokomzekelo, okufanayo kuboniswa yi-chip ye-chip ye-14mil ye-chip, kunye nezibane zesibane se-LED ezifakwe kwi-gum ephantsi kunye neglue emhlophe kunye neglue yokupakisha eyenziwe nge-epoxy resin eqhelekileyo, elayita enye kwindawo engama-30. izidanga. Emva kwamawaka eeyure, idatha encitshisiweyo yi-70% yokubola kwe-optical; ukuba i-D yohlobo lwe-D ephantsi-i-glue ebolileyo ifakwe kwi-encapsulated, kwindawo efanayo yokuguga, i-1,000-hour light decay yi-45%; , 1,000-iyure ukubola ukukhanya 12%; ukuba udidi lwe-B lufakwe kwi-glue ephantsi yokunciphisa, kwindawo efanayo yokuguga, amawaka eeyure zokubola kokukhanya kwe--3%; ukuba i-Class A i-low-declining glue, kwindawo efanayo yokuguga, amawaka eeyure zokukhanya kwindawo efanayo yokuguga, amawaka eeyure zokukhanya kwindawo efanayo yokuguga, amawaka eeyure zokukhanya kwindawo efanayo yokuguga, amawaka iiyure zokukhanya kwindawo efanayo yokwaluphala, amawaka eeyure zokukhanya ngamawaka eeyure zokukhanya. Uthini umahluko phakathi kwenkqubo yokupakisha eyahlukileyo? Esona sizathu sesokuba imodyuli yomthombo wokukhanya we-LED iyoyika ubushushu. Ngamanye amaxesha ukufudumala ngaphezu kweedigri ze-100 ngexesha elifutshane, akuqinanga, ndiyoyika ukuba kuya kuba kwiqondo lokushisa eliphezulu ixesha elide, eliyingozi kakhulu kwi-chip ye-LED. Ngokuqhelekileyo, i-thermal conductivity ye-epoxy resins eqhelekileyo incinci. Ke ngoko, xa iitshiphusi ze-LED zilayitiwe, iitshiphusi ze-LED kufuneka zikhuphe ubushushu, kwaye i-epoxy resin conductivity eqhelekileyo ye-thermal conductivity ilinganiselwe. Xa ubushushu besibiyeli se-LED bungama-45 degrees, ubushushu obuphakathi beziko letshiphu ekukhanyeni okumhlophe kwe-LED bunokudlula i-80 degrees. Iqondo lokushisa le-LED liyi-80 degrees ngokwenene, ngoko xa i-chip ye-LED isebenza kwiqondo lokushisa lobushushu, ibuhlungu kakhulu, ekhawulezisa ukuguga kwemithombo yokukhanya ye-LED. Xa i-chip ye-LED isebenza, ubushushu beziko buvelisa ubushushu obuphezulu be-100 degrees. Ingasebenzisa ngokukhawuleza iphini yokuma ekushiseni ukunciphisa ubushushu, ngaloo ndlela inciphisa umonakalo kuyo. Ke ngoko, xa ubushushu besibane se-LED bungamadigri angama-60, ubushushu beziko le-chip lunokuba ngama-61 degrees nje. Njengoko kunokubonwa kwidatha engentla, izibane zesibane se-LED ezikhetha ukuba luhlobo luni lwenkqubo yokupakisha ekhethiweyo, kwaye isigqibo esikhanyayo sezibane ze-LED sinquma ngokuthe ngqo isigqibo sokukhanya kwezibane ze-LED. Okwesibini, ubushushu bendawo yokusebenza yemodyuli yomthombo wokukhanya we-LED. Ngokwedatha yomthombo omnye wokukhanya kwe-LED, ukuba umthombo wokukhanya we-LED unomsebenzi omnye wokukhanyisa, kwaye kwangaxeshanye, ubushushu be-ambient bukwi-degrees ezingama-30, ke ubushushu besibiyeli somthombo omnye wokukhanya we-LED awudluli. I-45 degrees ngexesha lomsebenzi we-45 degrees. Ngeli xesha, ubomi bale LED buya kulunga. Ukuba kukho i-100 yemithombo yokukhanya ye-LED emsebenzini ngexesha elifanayo, ikhefu phakathi kwabo yi-11.4mm kuphela, ngoko ubushushu besibiyeli somthombo wokukhanya we-LED malunga nemfumba yesibane ayinakudlula i-45 degrees, kodwa ezo LED ziphakathi iimfumba zezibane aziyi Umthombo wokukhanya unokufikelela kuma-degrees angama-65 aphezulu. Ngeli xesha, umthombo wokukhanya kwe-LED luvavanyo. Emva koko, loo mithombo yokukhanya ye-LED iqokelelwe embindini iya kuthiyori ngokukhawuleza, kwaye imithombo yokukhanya ye-LED ejikeleze imfumba yesibane iya kucotha. Kodwa ukuba izibane zesibane se-LED zingaphezulu kwe-25mm ngaphandle, ke iikhalori abaziphambukisayo aziyi kuqokelelwa kakhulu. Ngeli xesha, ubushushu bezibane ze-LED nganye kufuneka zibe ngaphantsi kwama-degrees angama-50, nto leyo ehambelana nomsebenzi oqhelekileyo we-LED. Ukuba imodyuli yomthombo wokukhanya we-LED ikwindawo ebanda kakhulu, ubushushu obuphakathi bonyaka wonke bunokuba malunga ne-15 degrees okanye encinci, nto leyo inde kwii-LEDs.