Mfundo yofunika kwambiri ya LED

OnseKuwala kokonzanso, kuwala kowoneka bwinondiMultifinunul Teamlampgwiritsani ntchito mtundu wa Bulb. Kuti mumvetsetse mfundo ya dediode yotsogozedwa, yoyamba kumvetsetsa chidziwitso choyambirira cha semiconductors. Zomwe zimapangitsa kuti semico ikhale pakati pa ochititsa chidwi ndi oyambitsa. Zosiyanasiyana zake zapadera ndi: Pamene Sevopoctor imalimbikitsidwa ndi kuunika kwakunja ndi kutentha kwa kutentha, luso lake limasintha kwambiri; Kuphatikiza zodetsa zazing'ono kwa semicokokiti yoyera kwambiri imawonjezera mphamvu zake zamagetsi. Silicon (SI) ndi Germanium (Ge) amagwiritsidwa ntchito kwambiri semiconductors m'magetsi amakono, ndipo ma elekitoni awo akunja ndi anayi. Pamene atomu a Silicon kapena ma atomu oyandikana, oyandikana oyandikana nawo amalumikizana ndi maatomu awiriwo, zomwe zimapanga mawonekedwe a Covale. Kutentha kwa firiji (300k), kutentha kwa ma elekitala kumapangitsa kuti ma elekitala ena okwanira athetse mgwirizano ku Coolele ndikukhala ma elekitoni aulere, njirayi imatchedwa chidwi. Intaneti isasunthike kuti ikhale yamagetsi yaulere, malo omwe atsala mu mgwirizano wa Covale. Izi zimatchedwa dzenje. Kuwoneka kwa dzenje ndi chinthu chofunikira chomwe chimasiyanitsa semiconductor kuchokera kwa wochititsa.

Mukakhala pang'ono zodetsa zopepuka monga phosphorous amawonjezeredwa semictic semicouctor, idzakhala ndi elekitoni yowonjezera atapanga mgwirizano ndi ma atomu ena a semiconductor. Elekitoni yowonjezerayi imangofunika mphamvu zochepa kuti muchotse mgwirizano ndikukhala electron yaulere. Mtundu wamtunduwu wa Semiconductor amatchedwa magetsi semiconductor (n-mtundu semiconductor). Komabe, kuwonjezera zochepa zokhazikika zolimba (monga Boron, etc.) kwa electoctor squonductor, chifukwa ali ndi ma elekitala atatu okha, atapanga mgwirizano wa Covaler ndi ma atomu ozungulira, zimapangitsa kuti pakhale ntchito yozungulira. Mtundu wamtunduwu wa Semiconductor amatchedwa Hole Semiconductor (p-lembani semiconductor). Pamene n-mtundu ndi p-t-lembani semiconductors zimaphatikizidwa, pali kusiyana mu kuchuluka kwa ma elekitoni aulere ndi mabowo. Ma elekitironi onse ndi mabowo amasokonekera kutsika pang'ono, ndikusiya masitima okhazikika koma osokoneza bongo omwe amawononga zigawo zamagetsi zoyambirira za n-mtundu ndi p-P-P-lemba. Tinthu tomwe timatetezerachikuluwa nthawi zambiri zimatchedwa danga, ndipo amakhazikika pafupi ndi mawonekedwe a N ndi ndi P Eniarnion kuti apange dera loonda kwambiri la malo, omwe amadziwika kuti ndi gawo la PN.

Pamene mphamvu yamphamvu yamphamvu imagwiritsidwa ntchito kumapeto onse a PNGET (magetsi okwanira mbali imodzi ya P-Mtundu wa P-Mtundu), ma elekitoni aulere amasunthira mozungulira, ndikupanga gawo lamagetsi lamagetsi. Mabowo omwe amalowetsedwa kumene ndiye amabwerera ndi ma elekitoni aulere, nthawi zina amatulutsa mphamvu zochulukirapo mu mawonekedwe a zithunzi, zomwe ndi kuwala komwe timawona komwe kumachitika. Kuwoneka kotereku kumakhala kopapatiza, ndipo popeza zinthu zilizonse zili ndi gawo lina, mafunde a matope omwe amaphatikizidwa ndi osiyana, kotero mitundu ya ma LED zimatsimikiziridwa ndi zida zoyambira zomwe zimagwiritsidwa ntchito.