Umboniso we-LED uqulunqwe luluhlu lweediode ezikhupha ukukhanya, ngoko umgangatho we-LED uchaphazela ngqo umgangatho womboniso.
1. Ukukhanya kunye ne-angle yokujonga
Ukukhanya kwesikrini sokubonisa ubukhulu becala kuxhomekeke kukuqina okukhanyayo kunye noxinzelelo lwe-LED ye-LED.Kwiminyaka yakutshanje, ubuchwepheshe obutsha be-LED kwi-substrate, i-epitaxy, i-chip kunye ne-package ziye zavela ngokungapheliyo, ngakumbi ukuzinza kunye nokuvuthwa kobuchwephesha beteknoloji yokwandisa kunye nenkqubo ye-indium tin oxide (ITO), ephucule kakhulu ukukhanya kwe-LED. .Okwangoku, phantsi kwemeko yokuba i-angle ethe tyaba yokujonga i-degrees ze-110 kwaye i-angle yokujonga ngokuthe nkqo i-degrees ezingama-50, ukukhanya okukhanyayo kwetyhubhu eluhlaza kuye kwafikelela kwi-4000 mcd, ityhubhu ebomvu ifikelele kwi-1500 mcd, kwaye ityhubhu eluhlaza ifikelele kwi-1000 mcd.Xa isithuba sepixel siyi-20mm, ukuqaqamba kwesikrini sokubonisa kunokufikelela ngaphezulu kwe-10,000nit.Isiboniso sinokusebenza ubusuku nemini kuyo nayiphi na imeko-bume
Xa sithetha ngombono wesikrini sokubonisa, kukho into ekufanele uyicinge: Izikrini zokubonisa i-LED, ngokukodwa izikrini zokubonisa zangaphandle, zijongwa ngokusisiseko ukusuka ezantsi ukuya phezulu, ngelixa zikwimo yezikrini ze-LED ezikhoyo, isiqingatha se-flux ekhanyayo. iyanyamalala kwisibhakabhaka esikhulu.
2. Ukufana nokucaca
Ngokuphuhliswa kobuchwephesha bokubonisa i-LED, ukufana kuye kwaba yeyona nto ibalulekileyo yokulinganisa umgangatho wesiboniso.Kuhlala kusithiwa umboniso we-LED "uqaqambile kuyo yonke into kwaye uqaqambile kwiqhekeza ngalinye", isikweko esicacileyo sokungalingani okukhulu phakathi kweepikseli kunye neemodyuli.Amagama obuchwephesha ngala "dust effect" kunye "nemosaic phenomenon".
Izizathu eziphambili zezinto ezingalinganiyo zezi: iiparamitha ze-LED azihambisani;Ukuchaneka kwendibano enganeleyo yesikrini sokubonisa ngexesha lokuvelisa kunye nokufakwa;Iiparamitha zombane zamanye amacandelo e-elektroniki azihambelani ngokwaneleyo;Uyilo lweemodyuli kunye neePCB azifani.
Isizathu esiphambili "kukungahambelani kweeparamitha ze-LED zokusebenza".Ukungahambelani kwezi parameters zokusebenza kubandakanya: ukukhanya okungahambelaniyo, i-optical axis engahambelaniyo, ulungelelwaniso lombala olungaguqukiyo, ukungahambi kakuhle kokukhanya okuguquguqukayo kokuhanjiswa kombala wombala ngamnye oyintloko, kunye neempawu zokuthomalalisa ezingahambelaniyo.
Indlela yokusombulula ukungahambelani kweeparamitha zokusebenza kwe-LED, kukho iindlela ezimbini eziphambili zobugcisa kwishishini okwangoku: okokuqala, ukuphucula ukuhambelana kwentsebenzo ye-LED ngokuqhubeka nokuhlulahlula iiparitha zokucaciswa kwe-LED;Enye kukuphucula ukufana kwesikrini somboniso ngolungiso olulandelayo.Ulungiso olulandelayo luye lwaphuhliswa ukusuka kulungiso lwemodyuli yokuqala kunye nolungiso lwemodyuli ukuya kwinqanaba lanamhlanje ngolungiso lwamanqaku.Itekhnoloji yokulungisa iphuhlile ukusuka kulungiso olulula lokukhanya ukuya kwisilungiso solungelelwaniso lombala.
Nangona kunjalo, sikholelwa ukuba ukulungiswa okulandelayo akunamandla onke.Phakathi kwabo, ukungahambelani kwe-axis optical, ukungahambelani kwejika lokusabalalisa ukukhanya, ukungahambelani kweempawu zokunciphisa, ukuchaneka kwendibano embi kunye noyilo olungekho mgangathweni alukwazi ukupheliswa ngolungiso olulandelayo, kwaye nolu lungiso lulandelayo luya kwandisa ukungahambi kakuhle kwe-axis optical. , ukuthothisa kunye nokuchaneka kwendibano.
Ngoko ke, ngokuziqhelanisa, isigqibo sethu kukuba ukulungiswa okulandelayo kunyango kuphela, ngelixa ulwahlulo lweparamitha ye-LED yimbangela kunye nekamva eliqhelekileyo loshishino lokubonisa i-LED.
Ngokubhekiselele kubudlelwane phakathi kokufana kwesikrini kunye nenkcazo, kuhlala kukho ukungaqondi kakuhle kwishishini, oko kukuthi, isisombululo sithatha indawo yenkcazo.Enyanisweni, inkcazo yesikrini somboniso yimvakalelo ehambelanayo yeso lomntu kwisisombululo, ukufana (umlinganiselo wesignali ukuya kwingxolo), ukukhanya, ukuchasana kunye nezinye izinto zesikrini sokubonisa.Ukunciphisa nje isithuba se-pixel yomzimba ukuphucula isisombululo, ngelixa ungahoywa ukufana, ngokungathandabuzekiyo kukuphucula ukucaca.Khawube nomfanekiso wesikrini esinempembelelo enkulu "yothuli" kunye "nesiganeko se-mosaic".Nokuba isithuba se-pixel somzimba sincinci kwaye isisombululo sayo siphezulu, akunakwenzeka ukufumana inkcazo yomfanekiso olungileyo.
Ke ngoko, ngandlela ithile, "ukufana" kunokuba "isithuba se-pixel ebonakalayo" okwangoku kuthintela ukuphuculwa kwenkcazo yesikrini se-LED.
3. I-pixel yesikrini sokubonisa ngaphandle kolawulo
Kukho izizathu ezininzi zokubonisa iipikseli zesikrini ukuba ziphume kulawulo, eyona nto ibalulekileyo "kukungaphumeleli kwe-LED".
Izizathu eziphambili zokungaphumeleli kwe-LED zinokuhlulwa zibe ziinkalo ezimbini: enye ikumgangatho ophantsi we-LED ngokwayo;Okwesibini, indlela yokusetyenziswa ayifanelekanga.Ngokuhlalutya, sigqiba ubudlelwane obuhambelanayo phakathi kweendlela zokungaphumeleli kwe-LED kunye nezizathu ezibini eziphambili.
Njengoko kukhankanyiwe ngasentla, ezininzi iintsilelo ze-LED azikwazi ukufunyanwa kuhlolo lwesiqhelo kunye novavanyo lwe-LED.Ukongeza ekuthotyweni kwe-electrostatic discharge, yangoku enkulu (ebangela ubushushu obugqithisileyo), amandla angaphandle kunye nolunye usetyenziso olungafanelekanga, iintsilelo ezininzi ze-LED zibangelwa kuxinzelelo olwahlukeneyo lwangaphakathi olubangelwa yi-coefficients yokwandiswa kwe-thermal ye-chips ze-LED, i-epoxy resins, inkxaso, yangaphakathi. ikhokelela, i-crystal adhesives eqinile, iikomityi zePPA kunye nezinye izinto eziphantsi kobushushu obuphezulu, ukushisa okuphantsi, utshintsho olukhawulezayo lobushushu okanye ezinye iimeko ezinzima.Ngoko ke, ukuhlolwa komgangatho we-LED ngumsebenzi onzima kakhulu.
4. Ubomi
Izinto ezichaphazela ubomi besikrini sokubonisa i-LED ziquka izinto zangaphakathi nangaphandle, kubandakanywa nokusebenza kwamacandelo e-peripheral, ukusebenza kwezixhobo zokukhanyisa ukukhanya kwe-LED, kunye nokumelana nokukhathala kweemveliso;Izinto zangaphakathi ziquka indawo yokusebenza yesikrini sokubonisa i-LED, njl.
1).Impembelelo yecandelo leperipheral
Ukongeza kwizixhobo zokukhanyisa ukukhanya kwe-LED, iziboniso ze-LED zisebenzisa ezinye izinto ezininzi ze-peripheral, ezibandakanya iibhodi zeesekethe, iigobolondo zeplastiki, ukutshintshwa kwamandla ombane, izixhumi, i-chassis, njl.Ke ngoko, obona bomi bude besikrini sokubonisa buchongwa bubomi becandelo eliphambili kunye nobomi obufutshane.Ngokomzekelo, i-LED, ukutshintsha umbane kunye nezindlu zetsimbi zonke zikhethwa ngokwemigangatho ye-8 yeminyaka, ngelixa inkqubo yokukhusela ibhodi yesiphaluka inokuxhasa kuphela umsebenzi wayo iminyaka emi-3.Emva kweminyaka emi-3, iya konakaliswa ngenxa yokubola, ngoko sinokufumana kuphela isikrini sokubonisa seminyaka emi-3.
2).Impembelelo yokuSebenza kweDivayisi yokuKhanya kwe-LED
Izixhobo zokukhupha izibane ze-LED zezona zinto zibaluleke kakhulu kwaye zinxulumene nobomi besikrini sokubonisa.Kwi-LED, ikakhulu ibandakanya ezi zalathisi zilandelayo: iimpawu zokuthomalalisa, iimpawu zokungena komphunga wamanzi, kunye nokumelana ne-ultraviolet.Ukuba umenzi womboniso we-LED akaphumeleli ukudlula uvavanyo kwisalathisi sokusebenza kwezixhobo ze-LED, iya kusetyenziswa kwisiboniso, esiya kukhokelela kwinani elikhulu leengozi zekhwalithi kunye nokuchaphazela kakhulu ubomi bomboniso we-LED.
3).Impembelelo yokumelana nokudinwa kweemveliso
Ukusebenza okuchasene nokudinwa kwemveliso yesikrini se-LED kuxhomekeke kwinkqubo yemveliso.Kunzima ukuqinisekisa ukusebenza kokudinwa kweemodyuli eziveliswa yinkqubo yonyango yokuthintela ezintathu.Xa iqondo lokushisa kunye nomswakama uguquka, indawo ekhuselayo yebhodi yesekethe iya kubonakala i-cracks, ekhokelela ekunciphiseni kokusebenza kokukhusela.
Ke ngoko, inkqubo yokuvelisa isikrini sokubonisa i-LED ikwayinto ephambili yokumisela ubomi besikrini sokubonisa.Inkqubo yokuvelisa ebandakanyekayo ekuveliseni isikrini sokubonisa ibandakanya: ukugcinwa kwecandelo kunye nenkqubo yokulungiswa kwangaphambili, inkqubo yokutshisa i-furnace, inkqubo yobungqina obuthathu, inkqubo yokutywinwa kwamanzi, njl njl. umgangatho wabaqhubi.Kwabaninzi abavelisi be-LED, ukuqokelela amava kubaluleke kakhulu.Umzi-mveliso onamava eminyaka emininzi uya kulawula inkqubo yokuvelisa ngokufanelekileyo.
4).Impembelelo yendawo yokusebenza
Ngenxa yeenjongo ezahlukeneyo, iimeko zokusebenza kwesikrini sokubonisa ziyahluka kakhulu.Ngokumalunga nokusingqongileyo, ukuhluka kweqondo lokushisa kwangaphakathi kuncinci, kwaye akukho mpembelelo yemvula, ikhephu kunye nokukhanya kwe-ultraviolet;Umahluko omkhulu wobushushu ngaphandle ungafikelela kuma-70 degrees, kunye nomoya, ilanga kunye nemvula.Indawo embi iya kwandisa ukuguga kwesikrini sokubonisa, kwaye indawo yokusebenza yinto ebalulekileyo echaphazela ubomi besikrini sokubonisa.
Ubomi besikrini sokubonisa i-LED bumiselwa yimiba emininzi, kodwa ukuphela kobomi okubangelwa yimiba emininzi kunokwandiswa ngokuqhubekayo ngokutshintshwa kweengxenye (ezifana nokutshintsha ukunikezelwa kwamandla).Nangona kunjalo, i-LED ayinakutshintshwa ngobuninzi.Ke, emva kokuba ubomi be-LED buphelile, oko kuthetha ukuba ubomi besikrini sokubonisa buphela.
Sithi ubomi be-LED bumisela ubomi besikrini sokubonisa, kodwa asithethi ukuba ubomi be-LED bulingana nobomi besikrini sokubonisa.Ekubeni isikrini sokubonisa singasebenzi kumthwalo ogcweleyo ngamaxesha onke xa sisebenza, ubude bobomi besikrini sokubonisa kufuneka bube ngamaxesha angama-6-10 e-LED xa idlala iinkqubo zevidiyo ngokuqhelekileyo, kunye nexesha lokuphila kwe-LED. ibe nde xa isebenza kumsinga ophantsi.Ke ngoko, ixesha lokuphila kwesikrini se-LED esinolu phawu linokufikelela malunga neeyure ezingama-50000.
Ixesha lokuposa: Dec-20-2022