Ubwino wa COB LEDs
Monga ukadaulo wofuna kuwongolera bwino kutentha komanso kuwala bwino, ma COB LED, mwa tanthawuzo, ndi tchipisi tambiri ta LED timalumikizidwa mwachindunji ndigawo lapansi ndi wopanga kupanga gawo limodzi. Popeza ma LED omwe amagwiritsidwa ntchito mu COB samapakidwa mwachikhalidwe, amatha kusunga malo ndikukwaniritsa zomwe angathe.
Ubwino wa COB makamaka ndi awa:
1. Imakhala ndi ma diode asanu ndi anayi kapena kupitilira apo pa chip, kuchulukitsa lumen / inchi yokhala ndi ma chip ambiri.
2. Imachepetsa zigawozi ndi kutentha komwe kumapangidwa kuchokera ku tchipisi zotsogola, zomwe zimapangitsa moyo wautali komanso malo ochepa.
3. Kutayika kwa kuwala kumachepa ndipo mbali yowonera imachulukitsidwa chifukwa zida zachikhalidwe za LED siziphatikizidwa mukamagwiritsa ntchito ma COB LED.
4. Kulimbana ndi kugunda: Chip cha LED chimayikidwa mu bolodi la PCB yolimba komanso guluu lolimba la epoxy, lomwe limapangitsa kuti likhale lolimba komanso losalala.
5. Kuthekera kwakukulu kosinthira kutentha kumathandizira kutsika kwa ma LED owonongeka, motero kumachepetsa mtengo wosinthira ndi kukonza ndipo sikulephera kulephera kugwira ntchito m'malo otentha kwambiri.
6. Madzi, anticorrosion, kukana makutidwe ndi okosijeni ndi ultraviolet-proof. Zosiyanasiyana kutentha ntchito kuchokera -40 madigiri mpaka 80 madigiri.
7. Ma LED a COB amatha kukhala otsika mtengo mpaka 10 peresenti kuposa ma SMD LED ngati kupanga.