Muri iki gihe ikoranabuhanga riri gutera imbere cyane, ibisubizo byo kwerekana LED byateye imbere cyane. Ikoranabuhanga rya LED ryahinduye imikorere mu nganda z'amatara, ritanga amahitamo yo gukoresha ingufu nke kandi arambye ku bakoresha ndetse n'ibigo. Mu miterere itandukanye ya LED, COB (Chip on Board) yagaragaye nk'amahitamo meza bitewe n'imiterere yayo ya tekiniki. Muri iyi nkuru, turasuzuma impamvu COB ifite inyungu kurusha ikoranabuhanga rya SMD (Surface Mount Device) rikoreshwa cyane. Kuva ku ibyuka bihumanya ikirere kugeza ku kurinda ibidukikije, COB irusha cyane abo bahanganye.
1.SMD vs. COB: Ni iyihe nziza kurusha izindi?
Ku bijyanye n'ikoranabuhanga ryo kwerekana LED, hari ibintu bibiri by'ingenzi bihatanira isoko: SMD na COB. Nubwo Surface Mount Device imaze igihe kinini ari yo ihitamo ry'ibisubizo by'amatara ya LED, COB yagaragaye nk'ubundi buryo bukomeye bwo kuyikoresha.
Bitandukanye na SMD, igizwe na diode za LED zishyirwa ku giti cyazo ku kibaho cy’urukiramende, COB ikoresha utubumbe twinshi twa LED muri module imwe. Iyi miterere idasanzwe ntiyongerera gusa urumuri n’ubukana bw’urumuri ahubwo inagabanya ubukana bw’urumuri mu ntera ndende. Imiterere igezweho ya COB ituma urumuri rusohoka neza kandi rufite imiterere imwe n’iy’amabara menshi.
II. Ubushyuhe buke hamwe n'ubushyuhe buke
Imwe mu nyungu z'ingenzi za COB kuruta SMD ni ubushobozi bwayo bwo gucunga ubushyuhe. Ikoranabuhanga rya COB ritanga ubushobozi bwo kudakoresha ubushyuhe bwinshi bitewe n'imiterere yaryo nto. Ubudakoresha ubushyuhe bugena uburyo ubushyuhe bushira buva kuri module ya LED, bigatuma COB irushaho gukora neza mu kugabanya ubushyuhe. Ibi bituma habaho kugabanuka k'uburambe no kugabanuka kw'ibisabwa mu kubungabunga, ndetse binatuma umutekano urushaho kwiyongera.Moduli za COBntibikunze gushyuha cyane.
III. Uburinzi bwiza ku bintu bifitanye isano n'ibidukikije
Icyerekanwa cya COBItanga uburinzi bwiza ku bintu bitandukanye bidukikije, ikanatuma biramba kandi bikaba byizewe mu bihe bitandukanye. Ivugururwa na epoxy resin kugira ngo yongere imikorere yo kurinda. Ifite ubudahangarwa bukomeye ku bushuhe, ivumbi, ikirere gihindagurika, ogisijeni, n'urumuri rw'ubururu. Ubu burinzi bwongerewe butuma ibisubizo by'urumuri rwa COB bitera imbere mu bidukikije bigoye nko hanze cyangwa ahantu hari ubushuhe bwinshi. Byongeye kandi, ubudahangarwa bukomeye bwa COB ku ogisijeni butuma LED zigumana urumuri rwazo n'ubuziranenge bw'amabara yazo mu gihe kirekire, bitandukanye na SMD.
IV. Ubwiza bwijimye kandi burambuye.
Imiterere y'ikoranabuhanga rya COB ntiyongerera gusa ubushobozi bwo gucunga ubushyuhe no kurinda, ahubwo inagira uruhare mu gutuma urumuri rwayo rugaragara neza. Bitewe n'udupira twa LED duto cyane, COB itanga urumuri rwinshi kandi rukomeye, bigatuma habaho igicucu cyijimye n'ibice bito cyane. Ibi bituma COB ikwiriye cyane gukoreshwa aho ubwiza n'itandukaniro rikomeye ari ingenzi, nko mu ngoro ndangamurage, mu maduka, no mu nzu ndangamurage. Umucyo mwinshi utangwa n'ikoranabuhanga rya COB wongera ubwiza bw'ahantu hafite urumuri kandi hakagaragara neza.
Uko inganda za LED Display zikomeza gutera imbere,Ikoranabuhanga rya COBYagaragaye nk'amahitamo mashya kandi meza cyane yo gukoresha mu kwerekana LED. Imiterere yayo ya tekiniki, nko gutanga urumuri rumwe, imyuka ihumanya ikirere mike, uburinzi buhagije ku bidukikije, n'urumuri rwinshi, bituma iba amahitamo akomeye. COB ntitanga imikorere myiza no kuramba gusa ahubwo inatanga ubwiza bw'amashusho, ibyo bikaba ari ingenzi mu bikorwa bitandukanye.
Bitewe no kwiyongera kwayo mu gukundwa no gutera imbere mu nganda,Ikoranabuhanga rya COBiri kuboneka ku buryo bworoshye ku baguzi n'ibigo by'ubucuruzi hirya no hino ku isi. Icyerekanwa cya COBibisubizo bisezeranya gutanga amahitamo y'urumuri agaragara neza, akora neza kandi arambye mu gihe bivugurura uburyo tumurikira ibidukikije.
Igihe cyo kohereza: 25 Ukwakira 2023
