Umboniso we-elektroniki we-LED uneepikseli ezilungileyo, kungakhathaliseki ukuba imini okanye ubusuku, ilanga okanye iintsuku ezinemvula,Umboniso we-LEDinokuvumela abaphulaphuli babone umxholo, ukuhlangabezana neemfuno zabantu zenkqubo yokubonisa.
Itekhnoloji yokufumana imifanekiso
Umgaqo ophambili wokuboniswa kwe-elektroniki ye-LED kukuguqula imiqondiso yedijithali ibe yimiqondiso yomfanekiso kwaye ibonise ngenkqubo ekhanyayo.Indlela yemveli kukusebenzisa ikhadi lokubamba ividiyo elidityaniswe nekhadi leVGA ukufezekisa umsebenzi wokubonisa.Umsebenzi ophambili wekhadi lokufumana ividiyo kukufota imifanekiso yevidiyo, kwaye ufumane iidilesi zesalathiso zesantya somgca, ukuphindaphindeka kwebala kunye namanqaku e-pixel ngeVGA, kwaye ufumane imiqondiso yedijithali ikakhulu ngokukopa itafile yokujonga umbala.Ngokubanzi, isoftware inokusetyenziselwa uphindaphindo lwexesha lokwenyani okanye ubusela behardware, xa kuthelekiswa nobusela behardware busebenza ngakumbi.Nangona kunjalo, indlela yendabuko inengxaki yokuhambelana neVGA, ekhokelela kumaphethelo amnyama, umgangatho ombi womfanekiso njalo njalo, kwaye ekugqibeleni uyonakalisa umgangatho womfanekiso wokuboniswa kombane.
Ngokusekwe koku, iingcali zoshishino zenze ikhadi levidiyo elizinikeleyo le-JMC-LED, umgaqo wekhadi usekwe kwibhasi ye-PCI usebenzisa i-accelerator ye-graphics ye-64-bit ukukhuthaza imisebenzi ye-VGA kunye nevidiyo ibe nye, kunye nokufezekisa idatha yevidiyo kunye nedatha ye-VGA yenza i-superposition effect, iingxaki zokuhambelana kwangaphambili zisonjululwe ngokufanelekileyo.Okwesibini, ukufunyanwa kwesisombululo kwamkela imowudi yesikrini esigcweleyo ukuze kuqinisekiswe ukuba i-Angle epheleleyo yomfanekiso wevidiyo ilungile, indawo esemaphethelweni ayisenantsonkotha, kwaye umfanekiso unokulinganiswa ngokungqongqo kwaye uhanjiswe ukuhlangabezana neemfuno zokudlala ezahlukeneyo.Okokugqibela, imibala emithathu ebomvu, eluhlaza kunye nebhlowu inokwahlulwa ngokufanelekileyo ukuze ihlangabezane neemfuno zombala wokwenyani wesikrini somboniso we-elektroniki.
2. Ukuveliswa kombala wokwenene womfanekiso
Umgaqo wokubonisa umbala ogcweleyo we-LED ufana nowomabonakude ngokumalunga nokusebenza okubonakalayo.Ngokudibanisa okusebenzayo kwemibala ebomvu, eluhlaza kunye nohlaza okwesibhakabhaka, imibala eyahlukeneyo yomfanekiso inokubuyiselwa kwaye iphinde iveliswe.Ukucoceka kwemibala emithathu ebomvu, eluhlaza kunye nohlaza okwesibhakabhaka kuya kuchaphazela ngokuthe ngqo ukuveliswa kombala womfanekiso.Kufuneka kuqatshelwe ukuba ukuveliswa komfanekiso akuyiyo inhlanganisela engahleliweyo yombala obomvu, oluhlaza kunye nohlaza okwesibhakabhaka, kodwa isiseko esithile siyafuneka.
Okokuqala, umlinganiselo wokukhanya obomvu, oluhlaza kunye nohlaza okwesibhakabhaka kufuneka usondele kwi-3: 6: 1;Okwesibini, xa kuthelekiswa neminye imibala emibini, abantu banovakalelo oluthile kubomvu kumbono, ngoko ke kuyimfuneko ukusabalalisa ngokulinganayo obomvu kwindawo yokubonisa.Okwesithathu, ngenxa yokuba umbono wabantu uphendula kwigophe elingenamgca lokukhanya okubomvu, okuluhlaza kunye noluhlaza okwesibhakabhaka, kuyimfuneko ukulungisa ukukhanya okuphuma ngaphakathi kwi-TV ngokukhanya okumhlophe kunye nokukhanya okungafaniyo.Okwesine, abantu abahlukeneyo banezakhono ezahlukeneyo zokusombulula imibala phantsi kweemeko ezahlukeneyo, ngoko ke kuyimfuneko ukufumana izikhombisi zenjongo zokuzala kombala, ezihlala zimi ngolu hlobo lulandelayo:
(1) Ubude bamaza obubomvu, obuluhlaza kunye nobhlowu bebuyi-660nm, 525nm kunye ne-470nm;
(2) Ukusetyenziswa kweyunithi ye-tube ye-4 enokukhanya okumhlophe kungcono (ngaphezu kweetyhubhu ezi-4 nazo, ngokuyininzi kuxhomekeke kukukhanya kokukhanya);
(3) Umgangatho ongwevu wemibala emithathu ephambili ngama-256;
(4) Ulungiso olungelulo kufuneka lwamkelwe ukuze kuqhutywe iipikseli ze-LED.
Inkqubo yokulawula ukukhanya kokukhanya okubomvu, okuluhlaza kunye nohlaza okwesibhakabhaka inokuqondwa ngenkqubo yehardware okanye ngesoftware ehambelanayo yenkqubo yokudlala.
3. isekethe ekhethekileyo yenyani yokuqhuba
Kukho iindlela ezininzi zokuhlela ityhubhu ye-pixel yangoku: (1) umqhubi wokuskena;(2) DC drive;(3) ngokuqhubekayo umthombo wangoku drive.Ngokweemfuno ezahlukeneyo zesikrini, indlela yokuskena yahlukile.Kwisikrini sebhlokhi ye-lattice yangaphakathi, imowudi yokuskena isetyenziswa ikakhulu.Kwiscreen setyhubhu ye-pixel yangaphandle, ukuze kuqinisekiswe uzinzo kunye nokucaca komfanekiso wayo, imowudi yokuqhuba ye-DC kufuneka yamkelwe ukongeza ngoku rhoqo kwisixhobo sokuskena.
I-LED yamandulo yayisetyenziselwa uchungechunge lwe-voltage ephantsi kunye nemo yokuguqula, le ndlela inamalungu amaninzi e-solder, iindleko eziphezulu zemveliso, ukuthembeka okunganeleyo kunye nezinye iintsilelo, ezi ntsilelo zithintele ukuphuhliswa komboniso we-elektroniki we-LED kwixesha elithile.Ukuze kulungiswe ezi ntsilelo zingentla zomboniso we-elektroniki we-LED, inkampani yase-United States iphuhlise isekethe edibeneyo yesicelo, okanye i-ASIC, enokuqonda ukuguqulwa kwe-series-parallel kunye ne-drive yangoku ibe yinye, isekethe edibeneyo inezi mpawu zilandelayo. : umthamo wokuqhuba imveliso ehambelanayo, ukuqhuba iklasi yangoku ukuya kuthi ga kwi-200MA, i-LED kwesi siseko ingaqhutywa ngokukhawuleza;Ukunyamezela okukhulu kwangoku kunye nombane, uluhlu olubanzi, ngokubanzi lunokuba phakathi kwe-5-15V ukhetho oluguquguqukayo;I-serial-parallel output current inkulu, i-inflow yangoku kunye nemveliso inkulu kune-4MA;Isantya sokusetyenzwa kwedatha esikhawulezayo, silungele umsebenzi wangoku we-multi-gray wombala we-LED wokubonisa umqhubi.
4. ukulawula ukukhanya iteknoloji yokuguqula i-D / T
Umboniso we-elektroniki we-LED uqulunqwe ngeepikseli ezininzi ezizimeleyo ngolungiselelo kunye nokudibanisa.Ngokusekwe kuphawu lokwahlula iipikseli enye kwenye, umboniso we-elektroniki we-LED unokwandisa kuphela imowudi yokulawula ekhanyayo ngemiqondiso yedijithali.Xa i-pixel ikhanyisiwe, imeko yayo ekhanyayo ilawulwa ikakhulu ngumlawuli, kwaye iqhutywa ngokuzimeleyo.Xa ividiyo ifuna ukuboniswa ngombala, oko kuthetha ukuba ukuqaqamba kunye nombala wepixel nganye kufuneka ilawulwe ngokufanelekileyo, kwaye umsebenzi wokuskena kufuneka ugqitywe ngolungelelwaniso ngexesha elithile.
Eminye imiboniso emikhulu ye-elektroniki ye-LED yenziwe ngamashumi amawaka eepikseli, nto leyo eyandisa kakhulu ukuntsonkotha kwinkqubo yolawulo lombala, ngoko ke iimfuno eziphezulu zibekwe phambili kuthumelo lwedatha.Akukho ngqiqweni ukuseta i-D/A yepikseli nganye kwinkqubo yolawulo yokwenyani, ngoko ke kuyimfuneko ukufumana iskimu esinokulawula ngokufanelekileyo inkqubo yepixel entsonkothileyo.
Ngokuhlalutya umgaqo wombono, kufunyaniswa ukuba ukugqama okuphakathi kwepixel ubukhulu becala kuxhomekeke kumlinganiselo wayo wokuqaqamba.Ukuba i-bright-off ratio ilungiswa ngokufanelekileyo kule ngongoma, ulawulo olusebenzayo lokukhanya lunokufezekiswa.Ukusebenzisa lo mgaqo kwimiboniso ye-elektroniki ye-LED kuthetha ukuguqula iimpawu zedijithali kwiimpawu zexesha, oko kukuthi, ukuguqulwa phakathi kwe-D / A.
5. Ukwakhiwa kwakhona kwedatha kunye neteknoloji yokugcina
Okwangoku, kukho iindlela ezimbini eziphambili zokucwangcisa amaqela ememori.Enye yindlela ye-pixel edityanisiweyo, oko kukuthi, onke amanqaku e-pixel emfanekisweni agcinwa kumzimba omnye wenkumbulo;enye yindlela ye-bit plane, oko kukuthi, onke amanqaku e-pixel emfanekisweni agcinwa kwimizimba yenkumbulo eyahlukeneyo.Isiphumo esithe ngqo sosetyenziso oluninzi lomzimba wogcino kukuqonda iindidi ezahlukeneyo zolwazi lwepixel ngexesha.Phakathi kwezi zakhiwo zimbini zokugcina, indlela ye-bit plane ineenzuzo ezininzi, ezingcono ekuphuculeni umphumo wokubonisa kwesikrini se-LED.Ngokusebenzisa i-data reconstruction circuit ukuphumeza ukuguqulwa kwedatha ye-RGB, ubunzima obufanayo kunye neepixels ezahlukeneyo zidibaniswe ngokudibeneyo kwaye zibekwe kwisakhiwo sokugcina esikufutshane.
6. I-teknoloji ye-ISP kuyilo lwesekethe ye-logic
I-LED yemveli yolawulo lwe-electronic control circuit yenzelwe ikakhulu yisekethe yedijithali yesiqhelo, elawulwa ngokubanzi yindibaniselwano yesekethe yedijithali.Kwitheknoloji yendabuko, emva kokuba inxalenye yoyilo lwesekethe igqityiwe, ibhodi yesiphaluka yenziwa kuqala, kwaye amacandelo afanelekileyo afakwe kwaye umphumo ulungelelaniswe.Xa umsebenzi we-logic yebhodi yesekethe awukwazi ukuhlangabezana nemfuno yangempela, kufuneka ihlaziywe ide ihlangabezane nefuthe lokusetyenziswa.Kuyabonakala ukuba indlela yokuyila yendabuko ayinayo kuphela iqondo elithile lokuxakeka, kodwa inomjikelezo omde woyilo, ochaphazela uphuhliso olusebenzayo lweenkqubo ezahlukeneyo.Xa amacandelo esilela, ukugcinwa kunzima kwaye iindleko ziphezulu.
Ngesi siseko, iteknoloji programmable inkqubo (ISP) yabonakala, abasebenzisi unokuba umsebenzi ukuguqula ngokuphindaphindiweyo iinjongo zabo uyilo kunye nenkqubo okanye ibhodi yesekethe kunye namanye amacandelo, beqonda inkqubo yenkqubo yehardware abayili 'kwiprogram yesoftware, inkqubo yedijithali kwi Isiseko setekhnoloji yenkqubo enokucwangciswa ithatha inkangeleko entsha.Ngokungeniswa kwethekhnoloji ecwangcisiweyo yenkqubo, akukuphela nje umjikelo wokuyila omfutshane, kodwa kwakhona ukusetyenziswa kwamacandelo kwandiswa kakhulu, ukugcinwa kwentsimi kunye nemisebenzi yezixhobo ezijoliswe kuyo yenziwe lula.Uphawu olubalulekileyo lweteknoloji ecwangcisiweyo yenkqubo kukuba ayifuni kuqwalasela ukuba isixhobo esikhethiweyo sinempembelelo xa usebenzisa isoftware yenkqubo ukufaka ingqiqo.Ngexesha lokufakwayo, amacandelo anokukhethwa ngokwentando yakhe, kunye nezixhobo ezibonakalayo zinokukhethwa.Emva kokuba igalelo ligqityiwe, ukulungiswa kunokwenziwa.
Ixesha lokuposa: Dec-21-2022
