1907 Onye ọkà mmụta sayensị Britain bụ Henry Joseph Round chọpụtara na enwere ike ịhụ luminescence na kristal silicon carbide mgbe etinyere ya ugbu a.
1927 Ọkà mmụta sayensị Russia bụ Oleg Lossew hụkwara “mmetụta gburugburu” nke ikuku ọkụ.Mgbe ahụ, ọ nyochara ma kọwaa ihe a n'ụzọ zuru ezu karị
1935 Onye ọkà mmụta sayensị France bụ Georges Destriau bipụtara akụkọ banyere ihe omume elector-luminescence nke zinc sulfide powder.Iji na-echeta ndị bu ụzọ, ọ kpọrọ mmetụta a "Lossew Light" ma tụpụta okwu ahụ bụ "elector-luminescence phenomenon" taa.
1950 Mmepe nke physics semiconductor na mmalite 1950 nyere nyocha usoro ihe omimi maka ihe ngosi elector-optical, ebe ụlọ ọrụ semiconductor nyere ihe dị ọcha, doped semiconductor wafers maka nyocha LED.
1962 Nick Holon yak, Jr. na SF Bevacqua nke GF Company jiri ihe GaAsP mee ka diodes na-acha uhie uhie.Nke a bụ ọkụ ọkụ mbụ a na-ahụ anya, a na-ewere dị ka nna ochie nke LED ọgbara ọhụrụ
1965 Azụmahịa nke ọkụ infrared na-ebupụta LED, na ịzụ ahịa nke red phosphorous gallium arsenide LED n'oge adịghị anya.
1968 Igwe ọkụ gallium arsenide nwere nitrogen pụtara
1970s Enwere gallium phosphate green LEDs na silicon carbide odo LEDs.Iwebata ihe ọhụrụ na-eme ka ọkụ ọkụ na-arụ ọrụ nke ọma ma na-agbatị ụdị dị iche iche nke LED na oroma, odo na ọkụ ndụ ndụ.
1993 Nichia Chemical Company's Nakamura Shuji na ndị ọzọ mepụtara gallium nitride LED nke mbụ na-egbuke egbuke, wee jiri indium gallium nitride semiconductor mepụta ultra-bright ultraviolet, blue and green LEDs, na-eji aluminum gallium indium phosphide Semiconductor mepụtara nnukwu uhie uhie na odo LEDs.E mekwara ọkụ ọkụ na-acha ọcha.
1999 Ịzụ ahịa nke LEDs nwere ike mmepụta ruo 1W
Ugbu a Ụlọ ọrụ LED zuru ụwa ọnụ nwere ụzọ teknụzụ atọ.Nke mbụ bụ ụzọ mkpụrụ osisi sapphire nke Nichia nke Japan nọchiri anya ya.Ugbu a ọ bụ teknụzụ kachasị eji eme ihe na nke tozuru oke, mana ọghọm ya bụ na enweghị ike ịme ya n'ogo buru ibu.Nke abụọ bụ silicon carbide substrate LED technology ụzọ nke American CREE Company nọchitere anya ya.Ụdị ihe dị mma dị mma, ma ihe onwunwe ya dị elu ma ọ na-esiri ike iru nnukwu nha.Nke atọ bụ teknụzụ LED mkpụrụ silicon nke China Jingneng Optoelectronics chepụtara, nke nwere uru nke ọnụ ala dị ala, arụmọrụ dị mma, yana nrụpụta nnukwu.
Oge nzipu: Jan-27-2021