Yintoni i-LED?

Jonga kwakhona i-diode laser.

Idayode ekhupha ukukhanya (i-LED) sisixhobo semiconductor esikhupha ukukhanya okubonakalayo xa kudlula umbane wombane kuyo. Ukukhanya akukhanyi ngokukodwa, kodwa kwii-LED ezininzi yi-monochromatic, eyenzeka kwilungu elinye lobude. Iziphumo ezivela kwi-LED zinokubakho zibomvu (kubude obuphakathi kwama-nanometer angama-700) ukuya kwi-blue-violet (malunga neenanometer ezingama-400). Ezinye ii-LED zikhupha amandla e-infrared (IR) (ii-nanometer ezingama-830 okanye ngaphezulu); isixhobo esinjalo saziwa njenge imodi yokuhambisa infrared (IRED).

I-LED okanye i-IRED inezinto ezimbini ezinokusetyenziswa ekusetyenzwa ngokubizwa Uhlobo lweP-semiconductorkunye Uhlobo lwe-Nic semiconductors. Ezi zinto zimbini zibekwe ekunxibelelaneni ngqo, zisenza indawo ebizwa ngokuba yi I-PN yokudibana. Kule meko, i-LED okanye i-IRED iyafana nezinye iintlobo zedayode, kodwa kukho umahluko obalulekileyo. I-LED okanye i-IRED inephakheji ebonakalayo, evumela amandla abonakalayo okanye e-IR ukuba adlule. Kwakhona, i-LED okanye i-IRED inendawo enkulu ye-PN-junction enobume bayo obenzelwe isicelo.

Izibonelelo zee-LEDs nee-IRED, xa kuthelekiswa nezixhobo zokukhanyisa ze-incandescent kunye ne-fluorescent, zibandakanya:

• Imfuno yamandla aphantsiUninzi lweentlobo ezinokusebenza ngombane webhetri.

• Ukusebenza ngokuphezulu: Uninzi lwamandla anikezelwa kwi-LED okanye i-IRED iguqulwa ibe yimitha kwimo oyifunayo, kunye nokuveliswa kobushushu okuncinci.

• Ubomi obude: Xa ifakwe kakuhle, i-LED okanye i-IRED inokusebenza amashumi eminyaka.

Izicelo eziqhelekileyo zibandakanya:

• Izibane zesikhombisi: Ezi zinokuba yimimandla emibini (okt, ukuvala / ukuvala), igrafu yegrafu, okanye ukufundwa kwealfabhethi.

• Ukukhanyiswa kwepaneli ye-LCD: Ii-LED ezimhlophe ezikhethekileyo zisetyenziswa kwimiboniso bhanyabhanya yephaneli.

• Ukuhanjiswa kwedatha ye-fiber Ukunyenyiswa kwemodyuli kuvumela ukunxibelelana kwebhendi ebanzi ngengxolo encinci, kukhokelela kwisantya esiphezulu kunye nokuchaneka.

• Ulawulo LWERIMOTHI: Uninzi lwezinto zokuzonwabisa zasekhaya "ezikude" zisebenzisa ii-IREDs ukuhambisa idatha kwicandelo eliphambili.

• I-Optoisolator: Amanqanaba enkqubo ye-elektroniki anokuqhagamshelwa kunye ngaphandle kokudibana okungafunekiyo.