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Tianhui- m'modzi mwa otsogola opanga zida za UV LED ndi ogulitsa amapereka ODM/OEM UV led chip service.

Kodi Mfundo Zazikulu ndi Zikhalidwe Za Mikanda Yanyali Yakuda Yakuda ya Ultraviolet LED ndi Chiyani?

DUVLED mikanda nyali " > Duvled mikanda mfundo ndi makhalidwe 1. Njira yowunikira ya mikanda yopindika: Magetsi omaliza a mfundo ya PN amapanga chotchinga china chake. Zi wabalalika wina ndi mzake. Chifukwa chakuti chiwerengero cha kusamuka kwamagetsi ndi kwakukulu kwambiri kuposa kusuntha kwa phanga, chiwerengero chachikulu cha kugawa kwamagetsi chidzawonekera m'dera la P, ndipo chonyamulira chochepa chimapangidwa m'dera la P. Mtundu uwu wamagetsi umaphatikizidwa paphanga pamtengo, ndipo mphamvu imatulutsidwa kudzera mu njira ya mphamvu yowunikira. Ndiko kuti, mfundo ya PN tsitsi kuyatsa. DUVLED nyali nyali gwero gwero kuchiritsa zida DUV nyali mikanda mikanda kuwala gwero kuchiritsa zida 2. DUV nyali mikanda kuwala emitting mphamvu: nthawi zambiri amatchedwa kunja quantum mphamvu ya chigawo chimodzi. Mphamvu yamkati ya quantum ya chigawocho poyamba ndi mphamvu ya kutembenuka kwa photoelectric ya chigawocho chokha. Choyamba, kumaphatikizapo makhalidwe a chigawocho chokha (monga kutha kubweretsa, zolakwika, zonyansa, etc.), ndi mapangidwe ndi mapangidwe a chigawocho chokha. Komabe, mphamvu yochokera ku chigawocho imatanthawuza photon yopangidwa mkati mwa chigawocho. Pambuyo pa kuyamwa, kukonzanso, ndi kuwonetsera kwa chigawocho, chiwerengero cha mafotoni opangidwa kunja kwa chigawocho chikhoza kuyesedwa mu ntchito yeniyeni. Choncho, zinthu zomwe zimakhudza kuchotsa mphamvu zimaphatikizapo kuchuluka kwa mayamwidwe a chigawocho chokha, mawonekedwe a geometric a chigawocho, kusiyana kwa chiwerengero cha refractive cha chigawo ndi chigawo choyikapo, ndi makhalidwe obalalika a chigawocho. Pakati pawo, mphamvu yamkati ya quantum ndi yopangidwa ndi mphamvu yotulutsa gawo, ndiye kuti, gawo lonse la gawoli, ndiye kuti, mphamvu yakunja ya chigawocho. Kumayambiriro kwa gawo lachitukuko, sinthani mphamvu yamkati ya quantum. Njira yoyamba ndi kusintha khalidwe la chotchinga galasi kristalo ndi kusintha dongosolo chotchinga, kuti mphamvu mphamvu n'zosavuta kusintha mu mphamvu matenthedwe, ndiyeno mwachindunji bwino kuwala mphamvu zakuya ultraviolet LED nyali mikanda, ndi ndiye ndiye Kuwonjezeka ongokamba mkati quantum mphamvu 70%, koma kotero mkati quantum mphamvu pafupifupi pafupi malire ongolankhula. Pachifukwa ichi, mphamvu yamkati ya quantum ya chigawo chowongolera sichikhoza kuwonjezera kuwala kwathunthu kwa gawolo, kotero kuti kuchotsedwa kwa kusintha kwa gawo lopita patsogolo kumakhala mutu waukulu wa kafukufuku. Njira yaikulu tsopano ndi: kusintha mawonekedwe akunja a njere —— Kapangidwe ka TIP, sinthani roughness pamwamba. 3. Kuzama kwa nyali ya ultraviolet LED nyali yamagetsi: chipangizo chowongolera chamakono, mawonekedwe olemetsa ndi ofanana ndi mapindikidwe a UI a mfundo ya PN, kusintha kochepa kwa voliyumu yolowera kungayambitse kusintha kwakukulu kutsogolo (mulingo wa index). Yaing'ono, ndi reverse breakdown voltage. Muyenera kusankha njira yoyenera yogwiritsira ntchito. Kutentha kumawonjezeka, voteji yakutsogolo ya mikanda yakuya ya ultraviolet LED imachepetsa, ndipo kutentha kumakhala koyipa. Mikanda yakuda ya ultraviolet LED imagwiritsa ntchito mphamvu ndikusinthidwa pang'ono kukhala mphamvu yowunikira. Izi ndi zomwe tikusowa. Otsala kutentha mphamvu kuonjezera mfundo kutentha. Itha kuyimiridwa ndi ma calories (mphamvu) yotulutsidwa. 4. Mawonekedwe owoneka bwino a mikanda yakuzama ya nyali ya ultraviolet: Mikanda yakuya ya nyale ya UV ya LED imapereka theka-m'lifupi mwa monochrome. Pamene kusiyana kwa mphamvu zama semiconductors kumachepa kutentha kumawonjezeka, kutalika kwake kwa luminescence kumakhala ndi kutentha ndi kutentha ndi kutentha. Kuonjezera kuwonjezeka, ndiko kuti, mawonekedwewo ndi ofiira, kutentha kwa kutentha ndi2 3A /. Kuwala kwa ngale kwakuda kwa kuwala kwa LED kumasintha ndikusintha kwaposachedwa. Kuchulukitsa kwapano, mutha kuyerekeza kuwala kwa kuwala; kutentha kozungulira kumakwera, kutsika kwa mphamvu zamagulu osiyanasiyana, kutsika kwa kuwala kowala, ndi kutsika kwa kuwala kwina kowala. Deep ultraviolet nyali nyali mkanda malungo makhalidwe: yaing'ono panopa, kutentha kukwera si zoonekeratu. Kutentha kozungulira kukakhala kokwera, kutalika kwake kwa mikanda yakuya ya ultraviolet kumawonjezekanso, kuwala kumachepa, kuwala kowala kumachepa, ndipo kusasinthasintha kumakhala kocheperako. Matrix apadera adontho ndi kukwera kwakukulu kwa kutentha kwa skrini kumakhudza kwambiri kudalirika ndi kukhazikika kwa LED. Chifukwa chake mapangidwe ochepetsa kutentha ndiye chinsinsi. Moyo wozama wa nyali ya ultraviolet: Kugwira ntchito kwa nthawi yayitali kwa mikanda yakuya ya ultraviolet LED kumapangitsa kuti ukalamba ukhale wopepuka, makamaka mikanda ya nyali yakuya ya ultraviolet. Poyesa moyo wa mikanda yakuya yakuya ya ultraviolet LED, sikokwanira kugwiritsa ntchito kuwonongeka kwa babu ngati kutayika kwa moyo wa mikanda yakuya ya ultraviolet LED. Mwachitsanzo, 35%, izi ndizomveka. Mphamvu yayikulu Kuyika kwakuya kwa UV kuwala kotulutsa diode: Choyamba, lingalirani za kutaya kutentha komanso kuzimitsa. Pankhani ya kutentha kwa kutentha, zitsulo zokhala ndi mkuwa zimagwiritsidwa ntchito, ndiyeno zimagwirizanitsidwa ndi radiator ya aluminiyamu. Njere ndi nsabwe za kutentha zimatenthedwa. Njira yochepetsera kutentha ndi yabwinoko. Pankhani ya kuwala, sankhani chip inverted luso, ndipo yonjezerani reflex pamwamba kuti muwonetse kuwala kuti muwononge kuwala kuchokera pansi ndi mbali, kuti muthe kupeza zambiri.

Kodi Mfundo Zazikulu ndi Zikhalidwe Za Mikanda Yanyali Yakuda Yakuda ya Ultraviolet LED ndi Chiyani? 1

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