Hoʻonui ʻia ke kūpaʻa ʻana o ka mahanahana o ke kukui -emitting Diode Structure

ʻO nā kukui kukui LED e ninini ana i nā ʻāpana, nā mākau unpackaged i hana hou i kahi ʻoihana ʻenehana kiʻekiʻe i ka ʻoihana LED. Ma muli o nā kukui kukui LED kuʻuna, ke kaʻina hana o ka hoʻokumu ʻana i ka wela wela, ka māmā ʻole a me nā bottlenecks akamai ʻē aʻe. ʻO nā kukui kukui LED e ninini ana i nā ʻāpana a me nā mākau unpackaged e like me ka 10 mau makahiki i hala aku nei, e hoʻokomo nā ʻāina ʻē i ka noiʻi kālā nui. ʻO ka mea i manaʻo ʻia i nā lei kukui LED mai ka substrate glue a me nā mākau kuʻi pololei. Hoʻopau loa ʻia ia e nā kukui kukui LED nā ʻāpana maʻamau i ke ʻano o nā maʻi lauoho he nui, e ʻae ana i nā pahu kukui LED e kū i ka pale wela kiʻekiʻe a hoʻonui i nā pahu kukui LED. Aia ka ʻoihana ma luna o nā mākau ʻoki ʻoki o ka pahu kukui kukui LED. & LED kukui Daspeed Ehia wnbsp; akā ʻo ka nīnau: No ke aha ke kukui kukui LED e ninini ana i nā mākau? ʻAʻole maʻalahi ka hilinaʻi ʻana i nā substrate alumini (keleawe), ka hoʻoheheʻe ʻana i ka substrate seramika, a me ka hoʻonohonoho ʻana ʻaʻole maʻalahi e like me nā substrates metala, no ka mea (ʻelua ʻelua) ʻo ka wili tin e kū i 280 degere o ka wela kiʻekiʻe, ʻaʻole hiki ke kōkua akā e hōʻino i nā mea a me nā mea. ʻAʻole ʻoi aku ka kiʻekiʻe o nā substrate seramika a me nā mea metala ma mua o ka helu noʻonoʻo, a paʻakikī ka hoʻomaikaʻi ʻana i ka hopena māmā. ʻO ka palena o ka hoʻohaʻahaʻa ʻana i ka wela o nā substrates seramika a me ka wahi pili puʻupuʻu i kaupalena ʻia i kona hopena māmā paʻa. ʻO ke kaʻina hoʻoheheʻe ʻana o nā kukui LED i ʻelua mau manawa ma waena o ka hoʻoheheʻe ʻana i ke tini a me ka substrate seramika alumini substrate ʻelua pale wela ua lawa e hoʻopau i ka makani luna i ʻōlelo ʻia. Eia kekahi, ʻoi aku ka kiʻekiʻe o ka welding wela a me ka reflux welding o nā kukui kukui LED, a paʻa ʻole ka hua. Mai ka hiʻohiʻona o nā mea hoʻohana hope, pono e loaʻa i kahi hāmeʻa LED maikaʻi ka maikaʻi o ka kukui, ʻoi aku ka nui o nā hana kukui, nā kumukūʻai haʻahaʻa haʻahaʻa a me ka hoʻihoʻi wikiwiki ʻana. E paʻa ana i nā mākau kukui kukui LED i ka wā e hiki mai ana (LM yuan). Ma kahi manaʻo, ʻo nā mākau kukui kukui LED ka hoʻomohala ʻana a me ka hana ʻana i nā mākaukau o nā bracket packaging. Ua hōʻike ʻo COB LED lamp bead encapsulation a me ka pahu kukui kukui LED hoʻokahi i nā mea ikaika e pili ana i ke kukui ikaika, ka wela wela, ka hāʻawi ʻana i ka māmā, ke kumukūʻai, etc. ʻO nā pahu kukui COB LED kuʻuna i kēia manawa ka bracket e hoʻohana ana i nā substrates alumini (a i ʻole keleawe) e hoʻohui i ka papa fiber FR4 i hoʻokahi. ʻO nā papa semi-curing home FR-4, ʻo ka conductivity thermal wale nō 0.3 / m-k, ʻo ka puka komo maikaʻi loa he 2.0 /m-k wale nō ma ka mea kūʻai aku, aʻo ka coefficient hoʻomehana alumini maʻemaʻe he 237 / m-k. Pono e hoʻonui i ka pale wela o ka ʻōnaehana, e hoʻopōʻino i nā kukui kukui LED a hōʻemi i ke ola lawelawe. No laila, hoʻopau nā manaʻo noʻonoʻo o ka poʻe i ka fiber insulation o nā substrate alumini. “Palena LMCOB ”(ʻEli i ka ʻili keleawe a me ka insulating layer o ka alumini substrate), akā ua kaupalena ʻia i ke kumu o nā lako, gel, kaʻina hana a me ke kumukūʻai, ʻaʻole i hoʻolaha ʻia. Eia kekahi, kaulana loa ka mākeke o kēia manawa i kapa ʻia “Kumu kukui hoʻohui ”E ka ʻepekema, e ʻae ana i ke kaʻina hana hoʻoheheʻe e hoʻokomo i ka pā electrode i PPA (a i ʻole ka EMC e hoʻokau nei), no ka mea, e lilo ka PPA i ka pauka melemele ma lalo o ka wela wela a me ka ultraviolet irradiation, e hopena i ka wai hanu a me ka wai. ʻO ka hoʻolālā no ka mea ʻoi aku ka kiʻekiʻe o ka pā electrode ma mua o ke kaikuahine chip 1.5, a ʻo kona pauka fluorescent a me ka dosage gel he kahiko loa. ʻAʻole wale ia e hoʻonui i ke kumukūʻai o ka hoʻopili ʻana, ʻo nā colloids mānoanoa hoʻi e hoʻopilikia i ka transmittance. I kēia manawa, ʻaʻohe ʻokoʻa nā pale kukui kukui COB a pau i ka hoʻonohonoho ʻana i kahi hoʻolālā pā e hoʻopaʻa ai i nā ʻāʻī huikau fluorescent me ka ʻole o ka wai ʻana, no ka mea, ʻo ka dam gel a me ka ʻaila keʻokeʻo e hoʻomoʻi i ka mālamalama. Ma mua, ʻo ka ikaika o ka māmā a me ka hoʻoili wela o ke kūlanakauhale he kumu koʻikoʻi no ka hopena māmā transient o ke kumu kukui kukui COB LED kuʻuna a me ka paʻakikī o ka hopena māmā. I ka hoʻolālā ʻana o nā kukui kukui LED, ʻo ka nīnau maʻamau ʻo 5052LED lamp bead nīnau pehea e koho ai i ka lako mana hoʻokele, a ʻo ka ʻoiaʻiʻo ua hāʻule a luku ʻia nā kukui kukui LED, a ua mākaukau ka māhele o ka mana hoʻokele. ʻO nā mākau kukui ʻōniʻoniʻo māmā papa pōkole. Eia naʻe, ua ʻae ka COB LED lamp beads aluminum substrates i ka decentralized packaging layout of thermal power, a (ua ʻōlelo pololei ʻia ka chip ma ka substrate).