Imigca yezakhono zokukhanyisa izibane ze-LED zihlanganiswe kunye nokwandiswa, i-substrate, ukupakishwa, ukukhanya okumhlophe kwe-LED ubuhlalu, njl. Amaso esibane se-LED abomvu, aluhlaza, naluhlaza okwesibhakabhaka ziikhompawundi zomdyarho ze-III-V ezifana ne-phosphorus, i-arsenic, i-nitrogen, njl. GAN) kunye nezinye iinkqubo zesemi-guiidance. 1. Izakhono zexabiso zamaso wesibane se-LED ezandisiweyo zamaso isibane se-LED ngaphezu kweminyaka elishumi ziye zaphucula inkqubo yokukhula ngenkqubo yokuphucula. Nangona kunjalo, i-nitrogen galfa gan yokukhanya okuqhelekileyo kwamaso amhlophe kunye neletiyisi yelethisi phakathi kwe-substrate kunye ne-coefficient enganelisiyo yokwandisa ubushushu i-coefficient yokwandisa ubushushu ibangela uxinano lwempazamo ephezulu kakhulu. Kwangexesha elide, ibikukufunda isakhono sezibane zesibane se-LED ukunciphisa ukuxinana kunye nokuphucula umgangatho wekristale yeentsimbi ze-LED ubusuku obuninzi. Ukwandiswa kwezibane zesibane se-LED lisebe eligxininisekileyo leentsimbi zesibane se-LED. Ubude bobude, umbane ohamba phambili, ukuqaqamba, okanye umthamo okhanyayo wamaso wesibane se-LED ngokusisiseko kuxhomekeke kwizinto eziphathekayo. Izakhono zokwandisa kunye nezixhobo zingundoqo kwizakhono zokuvelisa ifilimu eyandisiweyo. I-Metal organic material qi deposition skills (MOCVD) yimfuneko ebalulekileyo ekukhuleni kwe-III-LED ye-bead yesibane. Ukungabikho kwe-lattice yangaphandle kusetyenziswa njengeziko le-composite non-radiation non-radiation composite, enempembelelo enkulu kakhulu kumsebenzi we-optical wesixhobo. Isibane sokwandiswa koyilo lwesibane kunye nophando lwezakhono zokwandisa: Izakhono zokukhula zamaso esibane se-LED zikhulelwe, kunye nenani elikhulu lemibhalo engezantsi kunye namacandelo aphantsi IN ye-Ingan yoxinzelelo lwangaphambili.
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”Emva koko ukufudumala kunye nokukhulisa i-GAN isithintelo somgangatho wokuphucula umgangatho we-crystal we-barrier layer, i-Ingaaln barrier layer okanye uxinzelelo lokukhula kokukhula kwegridi. Umgibe we-quantum unendawo yomthombo Ingan / Gan quantum trap. Indawo yomthombo yingqwalasela yeentsimbi zesibane se-LED. Isitshixo ekukhuliseni i-Ingan quantum trap kukulawula uxinzelelo lwe-quantum trap, ukunciphisa imiphumo ye-polarization effects. Ukukhula kwezibane zezibane ze-LED kwiminyaka edlulileyo, i-extension layer of LED beads kunye nezakhono zokwandiswa zikhulile. Ukusebenza kwe-quantum yangaphakathi yezibane ze-LED zifikelele ngaphezu kwe-90%. Nangona kunjalo, kuphononongo lwamandla ezibane ze-LED, ukusebenza kakuhle kwe-quantum ekuyileni inaliti yangoku yonyaka ibalulekile, kwaye ibizwa ngokuba yi-DROOP effect. Impembelelo ye-DROOP ye-GAN-based LED izibane ze-LED ekuqaleni zithambekele ngokubhekiselele kwindawo yendawo yomphathi. Ukuveliswa kovavanyo kwamkela i-quantum trap ebanzi yokunciphisa ukuxinana komthuthi kunye nokwandisa i-electronic interception layer ye-P-shaped area. Ezinye izakhono ezineenkcukacha kwi-LED isibane amaso ukwandiswa ubeko kunye nophando lwezakhono zolwandiso zezi: Inkangeleko rough inkangeleko amaso isibane LED ilibaziseka ngenkangeleko, nto leyo ehambelana i-engile inguqu ukuthintela ukubonakaliswa ngokupheleleyo ukukhanya. Umahluko phakathi kwesalathiso se-refractive kunye nempahla yokupakisha ubangelwa kukuhamba kwe-outlet yesebe iya kuboniswa emva kolwaleko olwandisiweyo. Inkqubo ijeziswa ngokuthe ngqo ngokulahlwa kwembonakalo yokwandiswa, kwaye kulula ukutshabalalisa ukwandiswa komthombo wokwandiswa, kwaye i-electrode ebonakalayo inzima kakhulu ukuyakha. Yindlela enokwenzeka yokufikelela kwinkangeleko erhabaxa ngokutshintshwa kolwandiso lomaleko wokulibaziseka wangaphandle. Izakhono zokusebenza amaso isibane LED isafire substrate laser stripping izakhono zisekelwe kwi-GAN homogeneous ukwandiswa kunye nezakhono ukukhula, coaxing UV laser irradiation base, ukunyibilika inguqu umaleko peeling. Ukuya kwi-75%, iphindwe kathathu yendabuko, kwaye iqulunqe umgca wemveliso. LED isibane bead ugalele izakhono chip. Ngokutsho kwedatha yenkampani ye-Lumileds, amaso wesibane se-LED sesafire substrate izinga lokukhula malunga namaxesha angama-1.6. Ukongeza kwisibane sangaphambili sokukhanya kwesibane se-LED, ngaphandle kobuso bokukhanya, ukukhanya kwe-outlet yobunye ubuso kubonakalisa kangangoko kunokwenzeka emva kokwandiswa kwesandiso, kwaye ukunyuswa kokugqibela kuvela ngaphambili ngaphambili. I-micro-layout ye-crystal-dimensional photon crystals ye-Lyric beads yesibane inokugqithisa ukusebenza kokukhanya okuhambayo. NgoSeptemba 2003, iintsimbi ze-LED ezinobubanzi obuyi-1.5 microns kunye ne-0.5 microns ubude be-0.5 microns zakhiwe. Okwesibini, isiseko se-chip yeentsimbi ze-LED zihlala zisebenzisa imigca yezakhono ze-chip zihlala zisebenzisa i-sapphire substrates, i-silicon carbide substrates, i-silicon substrate yobusuku beminyaka emithathu, kunye ne-nitride, i-zinc oxide njalo njalo. Ukufikelela kwiimfuno ze-substrate material: Ukungaguquguquki kweekhemikhali ze-lumine bead substrate kunye ne-membrane yangaphandle ihambelana. I-substrate imathiriyeli kufuneka ibe nokungaguquki kakuhle kweekhemikhali. Ukubonakaliswa kweekhemikhali zokuzala kwe-membrane kubangela umgangatho we-membrane ethe nkqo emhlabeni; I-substrate yesibane sesibane se-LED ihambelana ne-coefficient yokwandisa i-thermal ye-membrane ethe nkqo, kunye ne-coefficients yokwandiswa kwe-thermal yahlukile. Ukutshatyalaliswa kwesixhobo kutshabalalisiwe; Uyilo lwesiseko sesibane se-LED kunye ne-membrane yangaphandle iyahambelana. ilizwe lam LED isibane amaso silicon izakhono isiseko baye babandezeleka kwizakhono impumelelo, kwaye ziyakhula ukuya kwisicelo propatization lokuphela konyaka. Okwangoku, kuphela iisafire kunye ne-silicon substrates ezisetyenziselwe urhwebo amaso ezibane ze-LED ezisekelwe kwi-GAN. Ezinye izinto ze-substrate ezingasetyenziselwa i-GAN-based LED izibane ze-LED zihlulwe kwipropati kwaye zihambelana ne-GAN homogeneous substrates kunye ne-ZNO substrates.
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Isifo sokubulala umoya
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Abavelisi be-UV Led
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Isifo samanzi e-UV
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Isisombululo se-UV LED
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UV Led diode
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Abavelisi be-UV Led diodes
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Imodyuli ekhona
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Inkqubo yokushicilela i-UV LED
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