Isingeniso: I-Chen Sheming nabanye abavela eningizimu yeSayensi neTekhnoloji bathuthukise uchungechunge oluxhunyiwe i-quatum dot emfishane ekhipha ukukhanya i-diode ngokusebenzisa i-estraparent ekhipha i-Indium zinc onide njenge-electrode ephakathi. I-diode ingasebenza ngaphansi kwemijikelezo emihle futhi embi yokushintshana ngokushintshana kwamanje, ngokusebenza kwe-quantum yangaphandle kwe-20.09% no-21.15%, ngokulandelana. Ngaphezu kwalokho, ngokuxhuma amadivaysi aceliwe amaningi axhunyiwe, iphaneli lingaqhutshwa ngokuqondile ngamandla e-AC e-AC ngaphandle kwesidingo semibuthano ye-backend eyinkimbinkimbi. Ngaphansi kwedrayivu engama-220 v / 50 hz, ukusebenza kahle kwamandla kwe-plug ebomvu nephaneli yokudlala kungu-15.70 lm W-1, futhi ukukhanya okuguquguqukayo kungafinyelela ku-25834 CD M-2.
Ukukhanya okukhanyisayo ama-diode (ama-LEDs) sekuphenduke ubuchwepheshe bokukhanyisa okujwayelekile ngenxa yokusebenza kwawo okuphezulu, isikhathi eside isikhathi eside, ukubhekana nesidingo semvelo sokusebenza kahle kwamandla kanye nokusimama kwemvelo. Njenge-semiconductor pn diode, i-LED ingasebenza kuphela ngaphansi kwedrayivu yomthombo wamanje we-voltage eqondile (DC). Ngenxa yokwakhiwa kabusha kanye nokukhokhiswa okuqhubekayo, izindleko kanye nokushisa kwe-joule kuqongelela ngaphakathi kwedivayisi, ngaleyo ndlela kunciphise ukuqina kokusebenza kwe-LED. Ngaphezu kwalokho, ukuhlinzekwa kwamandla komhlaba kusekelwe ikakhulu kumandla kagesi aphezulu okushintshana kwamanje, kanye nemishini eminingi yasendlini efana namalambu we-LED ayikwazi ukusebenzisa ngokuqondile amandla aphezulu angenawo amandla aphezulu. Ngakho-ke, lapho i-LED iqhutshwa ngogesi wendlu, kudingeka i-AC-DC Converter eyengeziwe njengommeli ukuze aguqule amandla aphezulu e-ac awela amandla aphansi we-DC. Isiguquli esijwayelekile se-ACC-DC sifaka i-transformer yokunciphisa amandla kagesi we-mains kanye nomjikelezo wokulungisa ukulungiswa kokufaka kwe-ac (bheka umfanekiso 1a). Yize ukusebenza okuguqukayo kwabaguquli abaningi be-ACC kungafinyelela ngaphezulu kwe-90%, kunamandla okulahleka kwamandla ngesikhathi sokuguqulwa. Ngaphezu kwalokho, ukulungisa ukugqama kwe-LED, isifunda sokushayela esizinikezele kufanele sisetshenziselwe ukulawula ukuhlinzekwa kwamandla we-DC futhi sinikeze okwamanje esifanele kwe-LED (bheka i-OFFUMERYICTION 1B).
Ukwethenjwa komjikelezo womshayeli kuzothinta ukuqina kwamalambu we-LED. Ngakho-ke, ukwethula abaguquli be-AC-DC nabashayeli be-DC akugcini nje ngezindleko ezingezekile (ababalwa cishe ngo-17% wezindleko zesibani se-LED), kepha futhi kukhulisa ukusetshenziswa kwamandla futhi kunciphisa ukuqina kwamalambu aholwa. Ngakho-ke, ukuthuthukisa amadivaysi e-LED noma ama-electrolminence (el) angaqhutshwa ngokuqondile yindlu ka-110 v / 220 v v / ama-voltages angama-50 hz / 60 hz ngaphandle kwesidingo samadivayisi we-backend ayinkimbinkimbi afiselekayo kakhulu.
Eminyakeni engamashumi ambalwa edlule, amadivaysi athile aqhutshwa ama-electrolyminescent (AC-EL) abonisiwe. I-ballast ye-ac electronic ejwayelekile iqukethe i-fluorescent powder ekhipha i-sandwiched efakwe phakathi kwezingqimba ezimbili zokufaka insulating (Umdwebo 2a). Ukusetshenziswa kwesendlalelo sokufakelwa kuvimbela umjovo wezithwali zangaphandle zokuthwala, ngakho-ke akukho ukugeleza kwamanje okuqondile ngedivayisi. Idivayisi inomsebenzi we-capacitor, futhi ngaphansi kwedrayivu yenkambu ye-High Ac Electric, ama-elektroni akhiqizwa ngaphakathi ehuduni angaphakathi kwendawo yokuthwebula eqenjini lokukhipha. Ngemuva kokuthola amandla anele we-kinetic, ama-elektroni ahlangana nesikhungo se-luminescent, akhiqiza ama-ebabani nokukhipha ukukhanya. Ngenxa yokungakwazi ukujova ama-elektroni kusuka ngaphandle kwe-electrodes, ukukhanya kanye nokusebenza kwalawa madivayisi kuphansi kakhulu, okukhawulela ukusetshenziswa kwawo emikhakheni yokukhanya nokuboniswa.
Ukuze uthuthukise ukusebenza kwawo, abantu baye baklama ama-ballast we-elekthronikhi anesendlalelo esisodwa sokufakelwa (bona okungeziwe 2b). Kulesi sakhiwo, ngesikhathi somjikelezo oqondile wengxenye ye-AC Drayivu, umthwali wokukhokhisa uxhaswa ngokuqondile engxenyeni yokuphuma evela ku-electrode yangaphandle; Ukuphuma okulula okukhanyayo kungabhekwa ukubuyiselwa kabusha ngolunye uhlobo lwenkampani yenethiwekhi ekhokhiswa ngaphakathi. Kodwa-ke, ngesikhathi somjikelezo ongemuhle we-ac drive, abathwali abangenayo bazodedelwa kudivayisi ngakho-ke ngeke bakhiphe ukukhanya. Ngaphezu kwalokho, ngenxa yezici ze-capcacitance zamadivayisi, ukusebenza kwe-electrolUminescence kwamadivayisi we-AC imvamisa kuncike ekufinyelelekelweni okuphezulu kwamanani ambalwa we-ac, 50 HETHZ / 60 HERTZ).
Muva nje, othile uphakamise idivaysi ye-AC electronic engasebenza kumafrikhwensi angu-50 hz / 60 hz. Le divayisi iqukethe amadivaysi amabili e-DC afanayo (bheka umfanekiso 2c). Ngokujikeleza ngogesi ama-electrodes aphezulu amadivaysi amabili kanye nokuxhuma ama-electrodes aphansi angezansi emthonjeni wamandla we-AC, amadivaysi amabili angavulwa. Ngokombono wokujikeleza, le divayisi ye-ACC ye-ACC itholakala ngokuxhuma idivaysi yangaphambili kanye nedivayisi evuselelekile ochungechungeni. Lapho kuvulwa ucingo phambili, idivaysi evuselelayo icishiwe, yenza njenge-resistor. Ngenxa yokuba khona kokumelana, ukusebenza kahle kwe-electrolrolinescence kuphansi. Ngaphezu kwalokho, amadivaysi okumkhanyisela akhanyayo angasebenza kuphela kumandla kagesi aphansi futhi awakwazi ukuhlanganiswa ngokuqondile nogesi we-110 v / 220 V V V V V indlu ejwayelekile. Njengoba kukhonjisiwe ku-Supplementary FACE 3 kanye neThebula Lesekeli 1, ukusebenza (ukugqama kanye nokusebenza kwamandla kagesi) amadivaysi akwa-AC-DC avuselelwa aqhutshwa ngama-High Ac Voltage aphansi kunalokho kwamadivayisi we-DC. Kuze kube manje, ayikho idivaysi yamandla e-ACC-DC engaqhutshwa ngokuqondile ngogesi wasendlini ngo-110 v / 220 v, 50 hz / 60 Hz, futhi inokuphila okuphezulu kanye nokuphila isikhathi eside.
UChen Sheming nethimba lakhe elivela eSouthern University of Science neTechnology bathuthukise uchungechunge oluxhunyiwe i-quantum dot emfishane ekhipha i-diode ekhanyayo isebenzisa i-entraparent evuthayo ye-Indiin zinc onide njenge-electrode ephakathi. I-diode ingasebenza ngaphansi kwemijikelezo emihle futhi embi yokushintshana ngokushintshana kwamanje, ngokusebenza kwe-quantum yangaphandle kwe-20.09% no-21.15%, ngokulandelana. Ngaphezu kwalokho, ngokuxhuma amadivaysi axhunyiwe ama-Multiple Series axhunyiwe, iphaneli lingaqhutshwa ngokuqondile ngamandla e-AC e-AC ngaphandle kwesidingo se-Rulend BaseClends.Umen phone i-15.70 lm w-1, futhi ukugqama okulungisekayo kungafinyelela ku-25834 CD M-2. I-plug ethuthukisiwe ne-play quantum dot i-LED Panel ingakhiqiza imithombo yokukhanya ekhanyayo yezomnotho, eqinile, esebenza kahle futhi eqinile enganikwa amandla ngogesi wezendlu ye-AC.
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Isikhathi Sokuposa: Jan-14-2025