1. Nchịkọta nke ugbu a n'ozuzu nkà na ụzụ ọnọdụ nke silicon dabeere LEDs

Mmụba nke ihe GaN na mkpụrụ silicon na-eche ihe ịma aka ọrụ aka abụọ ihu. Nke mbu, nkwekorita nke lattice ruru 17% n'etiti ihe ndi silicon na GaN na-ebute njupụta di elu di elu n'ime ihe GaN, nke na-emetụta oru luminescence; Nke abuo, enwere nkwekorita nke ihe ruru 54% n'etiti ihe eji eme silicon na GaN, nke na-eme ihe nkiri GaN na-adighi ike igbari mgbe uto okpomoku di elu ma na-agbada n'ime ulo, na-emetụta mpụta mmepụta. Ya mere, uto nke oyi akwa dị n'etiti mkpụrụ silicon na ihe nkiri GaN dị mkpa dị oke mkpa. Ihe nchekwa nchekwa na-ekere òkè n'ibelata njupụta nbipu n'ime GaN yana ibelata mgbawa GaN. Ruo n'ókè dị ukwuu, ọkwa teknụzụ nke oyi akwa mkpuchi na-ekpebi arụmọrụ quantum dị n'ime na mmepụta nke LED, nke bụ elekwasị anya na ihe isi ike nke dabere na silicon.Ikanam. Ka ọ dị ugbu a, site na itinye nnukwu ego na nyocha na mmepe sitere na ụlọ ọrụ ma ụlọ akwụkwọ agụmakwụkwọ, emeriwo ihe ịma aka teknụzụ a n'ụzọ bụ isi.

Mkpụrụ silicon na-amịkọrọ ọkụ a na-ahụ anya nke ọma, yabụ a ga-ebufe ihe nkiri GaN na mkpụrụ ọzọ. Tupu ebufe ya, a na-etinye ihe nlegharị anya dị elu n'etiti ihe nkiri GaN na mkpụrụ nke ọzọ iji gbochie ìhè GaN na-ewepụta ka ọ ghara ịmịnye ya. Ihe owuwu LED mgbe mbufe mkpụrụ ga-ama na ụlọ ọrụ ahụ dị ka mgbawa ihe nkiri dị mkpa. Mpempe ihe nkiri dị gịrịgịrị nwere uru karịa ibe ihe owuwu usoro ọdịnala n'ihe gbasara mgbasa ugbu a, nrụpụta ọkụ, yana otu ntụpọ.

2. Nchịkọta nke ugbu a n'ozuzu ngwa ọnọdụ na ahịa nnyocha nke silicon substrate LEDs

Silicon based LEDs nwere usoro kwụ ọtọ, nkesa otu ugbu a, yana mgbasa ngwa ngwa, na-eme ka ha dabara maka ngwa ike dị elu. N'ihi mmepụta ọkụ nke nwere otu akụkụ, ezigbo ntụziaka, na ezigbo ọkụ ọkụ, ọ dị mma maka ọkụ mkpanaaka dị ka ọkụ ụgbọ ala, ọkụ ọchụchọ, oriọna na-egwuputa ihe, ọkụ ọkụ ekwentị mkpanaaka, na ebe ọkụ ọkụ dị elu nwere nnukwu ọkụ chọrọ. .

Teknụzụ na usoro nke Jingneng Optoelectronics silicon substrate LED etoola. Na ndabere nke ịnọgide na-enwe ndị na-eduga uru na ubi nke silicon substrate blue ìhè LED ibe, ngwaahịa anyị na-aga n'ihu na-agbatị ọkụ ubi na-achọ ntụziaka ìhè na elu-edu mmepụta, dị ka na-acha ọcha ọkụ LED ibe na elu arụmọrụ na agbakwunyere uru. , Ikanam ekwentị mkpanaaka ọkụ ọkụ, ikanam ụgbọ ala ọkụ, LED n'okporo ámá ọkụ, LED backlight, wdg, ji ​​nwayọọ nwayọọ guzosie ike na ọnọdụ nke silicon mkpụrụ Ikanam ibe na segmented ụlọ ọrụ.

3. Development na-emekarị amụma nke silicon mkpụrụ ikanam

Imelite arụmọrụ ọkụ, ibelata ọnụ ahịa ma ọ bụ ọnụ ahịa ọnụ ahịa bụ isiokwu ebighi ebi naỤlọ ọrụ LED. Silicon mkpụrụ obere ihe nkiri ibe ga-packed tupu ha nwere ike tinye, na-eri nke nkwakọ akaụntụ maka nnukwu akụkụ nke ikanam ngwa na-eri. Mafee nkwakọ ngwaahịa ọdịnala wee chịkọta ihe ndị dị na wafer ozugbo. N'ikwu ya n'ụzọ ọzọ, nkwakọ ngwaahịa mgbawa (CSP) na wafer nwere ike ịwụpụ njedebe nkwakọ ngwaahịa wee banye kpọmkwem na njedebe ngwa site na njedebe mgbawa, na-ebelata ọnụahịa ngwa nke LED. CSP bụ otu n'ime atụmanya maka GaN dabere na LED na silicon. Companieslọ ọrụ mba ụwa dị ka Toshiba na Samsung akọwo na iji silicon based LEDs maka CSP, a kwenyere na ngwaahịa ndị metụtara ya ga-adị n'ahịa n'oge na-adịghị anya.

N'afọ ndị na-adịbeghị anya, ebe ọzọ na-ekpo ọkụ na ụlọ ọrụ LED bụ Micro LED, nke a makwaara dị ka micrometer larịị LED. Ogo nke Micro LED sitere na micrometers ole na ole ruo iri iri nke micrometers, ọ fọrọ nke nta ka ọ bụrụ otu ọkwa dị ka ọkpụrụkpụ nke ihe nkiri GaN dị mkpa nke epitaxy toro. N'ọtụtụ micrometer, enwere ike ịme ihe GaN ka ọ bụrụ GaNLED kwụ ọtọ na-enweghị mkpa nkwado. Nke ahụ bụ, na usoro nke ịkwadebe Micro LEDs, a ga-ewepụrịrị mkpụrụ maka na-eto eto GaN. Uru sitere n'okike nke LEDs dabere na silicon bụ na enwere ike wepu mkpụrụ silicon site na mmiri mmiri etching naanị, na-enweghị mmetụta ọ bụla na ihe GaN n'oge usoro mwepụ, na-eme ka mkpụrụ na ntụkwasị obi sie ike. Site na nke a, silicon substrate teknụzụ LED ga-enwerịrị ebe n'ọhịa nke Micro LEDs.