Ubufakazi bokuqhuma kwe-Shenhai
Yonke ingxenye yomkhiqizo ingaba nomthelela wokuphila kwawo, ngakho-ke kubalulekile ukuthi zonke izingxenye zokukhanya zibe sezingeni eliphezulu ukuvimbela izinkinga ezihlukahlukene. Amakhasimende amaningi ajwayele ukubhekana nezinto zokukhanyisa kungenzeka ahlangabezane nalesi simo: isibani se-LED esingaqhumi esingakhanyi. Kungenzeka yini lokhu? Ake sihlole ndawonye namuhla!
Ukukhishwa kwe-Electrostatic (ESD):
I-chip ye-LED ingalimala ngenxa yokukhishwa kwe-electrostatic, ukunikeza ukuhlangana kwe-PN ukungasebenzi kanye nokwandisa ukuvuza kwamanje, empeleni ukuyiphendula ibe yi-resistor. Ukuvimbela ukulimala kwe-ESD ezingxenyeni ze-elekthronikhi kuwumsebenzi obalulekile embonini yezogesi. Noma yiluphi udaba kunoma yisiphi isigaba lungalimaza i Isibani se-LED esingaqhumi, okuholela ekusebenzeni okonakele.
Ukunqanyulwa Kwentambo Yesiliva:
Uxhumo lwentambo yesiliva yangaphakathi ekukhanyeni kwe-LED kungaphuka, okubangela ukuntuleka kokugeleza kukagesi futhi kubangele into efile yokukhanya. Le nkinga ingase ithinte namanye ama-LED’ ukusebenza okuvamile, ikakhulukazi njengoba ama-LED asebenza ngama-voltage aphansi (1.8I-V—2.2V kokubomvu, ophuzi, ama-LED amawolintshi; 2.8—3.2V kokuluhlaza okwesibhakabhaka, eluhlaza, ama-LED amhlophe) futhi ngokuvamile axhunywe ochungechungeni noma ngokuhambisana ukuze athwale ama-voltage ahlukene okusebenza. Uma i-LED eyodwa kusekethe yochungechunge inoxhumano lwangaphakathi oluvulekile, lonke uchungechunge ngeke lukhanyise, okwenza lokhu kube udaba olunzima kakhulu kunezinye.
Ukuvuza kwamanje:
Ukuvuza okudlulele kwamanje kungabangela ukuhlangana kwe-PN ukuthi kuhluleke, ukuvimbela ukukhanya kwe-LED ekukhanyeni. Ngokuvamile, lolu daba akuthinti ukusebenza kwamanye ama-LED.
I-Cold Solder Joint:
Ijoyinti elibandayo le-solder lenzeka lapho ubuhlalu be-LED, noma i-chip, ayithengiswanga ngokuvikelekile. Ukuxilonga lokhu, ukushisa i-LED kuholela ku-200-300 ° C usebenzisa i-lighter, bese ususa umthombo wokushisa bese uxhuma inkinobho yebhethri engu-3V ku-LED ngendlela efanele. Uma i-LED ikhanya kodwa inciphe njengoba imikhondo iphola, lokhu kubonisa i-solder ebandayo ehlangene. Ukushisisa kuvumela insimbi ukuthi inwebe futhi ixhumane nephoyinti langaphakathi le-solder, ivumela i-LED ukuthi ikhanyise. Njengoba i izinga lokushisa kuncipha futhi izinkontileka zensimbi, uxhumano luyanqamuka, futhi i-LED iyacisha. Le ndlela isebenza ngokuqhubekayo ekuboneni amalunga abandayo e-solder.