Ngaphambili, xa sinikela ingqalelo kwi-Micro LED, asikwazanga ukuphepha isihloko esinzima "sokudluliselwa kobuninzi".Namhlanje, kungcono ukutsiba ngaphandle kwamakhamandela eetshiphusi kwaye uxoxe ngalo mbandela kwindlela ye-miniaturization ye-LED.Makhe sijonge kwiinguqu zokuziqhelanisa ukusukaI-LED encinciukuya kwi-Micro LED, ifom yokupakisha, i-luminescent material kunye nomqhubi we-IC.Zeziphi eziya kuhamba phambili?Zeziphi eziya kuphelelwa emehlweni ethu?
Ukusuka kwi-pitch encinci ukuya kwi-Micro LED, loluphi utshintsho oluya kwenzeka kwimo yeemveliso ezipakishweyo?
Ukususela kumbono wokupakisha, iziboniso ze-LED zingahlulwa zibe ngamaxesha amathathu: i-pitch encinci, i-Mini kunye ne-Micro.Eras ukupakisha ezahlukeneyo zineendlela ezahlukeneyo imvelisoumboniso we-LED oguquguqukayoizixhobo.1. I-Single-pixel 3-in-1 isixhobo sokwahlula i-SMD: I-1010 ngummeli oqhelekileyo;2. Isixhobo sokwahlula iphakheji yohlobo lwe-Array i-AIP: Isine kwelinye ngummeli oqhelekileyo;3. I-Surface gluing GOB: I-SMD ye-SMD yeqondo lokushisa eliqhelekileyo igluing yolwelo ngummeli oqhelekileyo;4. I-COB yokupakisha edibeneyo: iglue yolwelo oluqhelekileyo lobushushu ngummeli oqhelekileyo.
Kwixesha le-Mini le-LED, kukho iintlobo ezimbini eziphambili zeefom zemveliso: zonke izixhobo ezicacileyo kunye nokupakishwa okudibeneyo.Ummeli oqhelekileyo we-SMT zizo zonke-kwinye kunye nezixhobo ezahlukeneyo.Ummeli oqhelekileyo wokudibanisa imodyuli yomzimba kukupakishwa okuhlanganisiweyo.Itekhnoloji yokupakisha edityanisiweyo isenazo iingxaki ezinjengombala we-inki kunye nokungaguquguquki kombala, isivuno, kunye neendleko.Isixhobo sokwahlula i-0505 ngumda we-SMD.Okwangoku, ijongene ikakhulu nokuthembeka, ukusebenza kakuhle kwe-SMT, i-thrust kunye neminye imiba.Ngexesha le-Mini le-LED, inokuba ilahlekelwe yinto ephambili yetekhnoloji.Ngexesha leMicro LED, akukho mathandabuzo ukuba iya kuhlanganiswa ukupakishwa.Kodwa ugxininiso lwengxaki kukudluliselwa kwetshiphu.
Ngokuphathelele ukuqikelela itekhnoloji yekamva lemiboniso ye-LED, kukho amanqaku amane aphambili:1. Itekhnoloji yokupakisha iye yavela kwipakethe yetekhnoloji yenqaku ukuya kwipakethe yetekhnoloji yomphezulu, ejongene ne-LED miniaturization.Oku kuya kuba yindlela yokunciphisa amanyathelo okuvelisa kunye nokunciphisa iindleko zenkqubo.2. Ukusuka kwiNye kwenye, Isine kwenye ukuya ku-N kwenye.Ifom yokupakisha yenziwe lula.3. Ukusuka kwimbono yobungakanani bechip kunye ne-dot pitch, akukho sikrokro ukusuka kwi-Mini LED ukuya kwi-LED encinci.4. Ukusuka kwimbono ye-terminal market, umboniso we-LED wexesha elizayo uya kutshintsha ukusuka kubunjineli kunye nemarike yokurenta ukuya kwimarike yokubonisa intengiso.Utshintsho ukusuka kwisiboniso "isikrini" ukuya kwisiboniso "isixhobo".
Ngexesha le-Mini LED kunye ne-Micro LED, kuthekani nge-phosphors?
I-Mini ye-LED / i-Micro LED egcwele i-chip ibonisa ngokubanzi ithandwa yiumboniso okhokelwayo, kodwa iingxaki zokudluliselwa okukhulu kwinkqubo yokuvelisa, ukulawulwa kwe-chip yemibala emininzi kunye nokuthotywa okwahlukileyo nazo zivelele kakhulu.Ngaphambi kokuba ezi ngxaki zingentla zisonjululwe ngokupheleleyo, ukuphuhlisa iiphosphors ezintsha ezivuyiswa yi-blue Mini LED / Micro LED ukuphepha ukungonelanga kobuchwephesha obukhoyo kunye nokunika umdlalo opheleleyo kwiinzuzo zayo zobugcisa kwakhona yindlela yobugcisa eqwalaselwa lishishini.Nangona kunjalo, kuyimfuneko ukuxazulula ingxaki ye-particle encinci ye-phosphor kunye nokulahleka okusebenzayo okubangelwa yincinci encinci.
Okwangoku, i-Mini LED isafanelekile kwishishini le-LCD njengomthombo wokukhanya ngasemva, kodwa okwangoku ayinayo inzuzo yeendleko.Namhlanje, inqanaba loshishino lwe-crystal ye-liquid display color gamut esekelwe kwimithombo emitsha yokukhanya kwe-LED idlule i-90% ye-NTSC.Uphando lwemihlaba enqabileyo luzuze imveliso yobuninzi kunye nokusetyenziswa okubanzi kwee-fluoride ezimxinwa.Ekoyiseni ngakumbi ukukhutshwa kwebhendi emxinwa yephosphors ebomvu neluhlaza kunye nezibane ze-LED.Oku kunceda ukwandisa ngakumbi i-gamut yombala we-liquid crystal display kwi-110% ye-NTSC, efaniswa ne-OLED / iteknoloji ye-QLED.
Ukongeza, mhlawumbi i-quantum dot light-emitting materials inokudlala indima.Kodwa izixhobo ze-quantum dot luminescent "zibukeka zintle" kwaye zinikwe amathemba aphezulu.Nangona kunjalo, iingxaki zokuzinza, ukusebenza kakuhle okukhanyayo, ukukhuselwa kwendalo kunye neendleko eziphezulu zesicelo azizange zisonjululwe kakuhle.Ngaphaya koko, amachaphaza e-photoluminescent quantum ayatshintshatshintsha.Ukusetyenziswa kwangempela kwamachaphaza e-quantum kwi-QLED.Okwangoku, eminye imihlaba enqabileyo iye yabeka uphuhliso lwemathiriyeli ye-luminescent ye-QLED.
Kutheni le nto indlela yokuqhubela phambili yokubonisa i-LED ingasebenzi xa kufikwa kwixesha leMini kunye neMicro LED?
Xa iziboniso ze-LED zingena kwi-Micro LED kunye ne-Mini ye-LED, iindlela zokuqhuba ze-LED zendabuko azikwazi ukusetyenziswa.Esona sizathu siphambili yindawo ekhoyo.Ngokuqhelekileyo, isithetheUmboniso we-LEDUmqhubi we-IC unokuqhuba ukuya kuma-pixels angama-600, kwaye ngenxa yokuba iziboniso ze-LED zidla ngokusetyenziswa kwindawo engaphezu kwama-intshi angama-120, ubukhulu be-IC abuyi kubangela iingxaki.Nangona kunjalo, ukuba iipixels ezifanayo zingena kubukhulu bencwadana okanye ifowuni ephathwayo, ii-ICs zobukhulu obufanayo kunye nenombolo aziyi kungena kwisixhobo sencwadana okanye ifowuni ephathwayo, ngoko ke iMicro LED kunye ne-Mini LED zifuna iindlela ezahlukeneyo zokuqhuba.
Ngokubanzi, iindlela zokuqhuba zokubonisa zinokwahlulwa ngokurhabaxa zibe ziindidi ezimbini.Uhlobo lokuqala yiPassive Matrix.Ngokuqhelekileyo i-passive ithetha ukuba kuphela xa ii-pixels eziskeniweyo ziphantsi kwangoku okanye i-voltage kuya kubakho ukukhutshwa kokukhanya.Ixesha eliseleyo elingaskenwanga alisebenzi.Ekubeni le ndlela isebenza kuphela kwikholamu enye ngexesha lokuguqulwa kwesakhelo ngasinye, kunzima kakhulu ukufezekisa iimfuno zesisombululo esiphezulu kunye nokukhanya okuphezulu kwipaneli enye.Kwaye okoko nje kukho isekethe emfutshane kwenye yeepikseli, kulula ukubangela umqondiso we-crosstalk.
Ukongeza, kukho noyilo olusebenzisa i-transistor eyongezelelweyo njengokutshintsha ukuphepha ukuphazamiseka komqondiso okubangelwa ziingxaki zecandelo.Nokuba yeyiphi na indlela, isenzo sisahleli.Okwangoku, le ndlela yokuqhuba isetyenziswa kakhulu kwizicelo ezisezantsi ngenxa yoyilo lwesekethe olulula kunye neendleko eziphantsi.Ezinje ngezemidlalo zinxibe izacholo.Ukuba kukho imfuneko yepaneli yesisombululo esiphezulu, iimodyuli ezininzi ezisezantsi zingasetyenziselwa ukudibanisa, njengesikrini esikhulu sokubonisa.
Olunye uhlobo lwendlela yokuqhuba yi-Active Matrix.Njengoko igama libonisa, i-Active Matrix inokuqhubekeka igcina i-voltage yangoku okanye imeko yangoku ngesixhobo sokugcina se-pixel ngokwayo ngaphakathi kwesakhelo sesakhelo.Ngenxa yokuba i-capacitor isetyenziselwa ukugcinwa, kukwakho iingxaki zokuvuza kunye ne-signal crosstalk, kodwa incinci kakhulu kunokuqhuba i-passive.Indlela yokuqhuba i-analog isenayo ingxaki yokufana okubangelwa yinkqubo yefilimu ebhityileyo ye-transistor kunye nesixhobo esikhupha ukukhanya ngokwaso kwisisombululo esiphezulu.Ke ngoko, kukho izinto ezintsonkothileyo zangoku zemithombo efana ne-7T1C okanye i-5T2C ukusombulula ingxaki yokufana.
Xa ubungakanani bepixel buncinci ukuya kumlinganiselo othile kwaye iimfuno zesisombululo ziphezulu kakhulu, indlela yedijithali yokuqhuba iya kusetyenziswa kangangoko ukuhlangabezana nengxaki efanayo ekhankanywe ngasentla.Ngokuqhelekileyo, i-pulse width modulation (PWM) isetyenziselwa ukulungiswa kwesikali esingwevu.ukuvelisa izithunzi ezahlukeneyo ezingwevu.
Indlela ye-PWM isebenzisa ubukhulu becala amacandelo e-pulse asasazwa ekuhambeni kwexesha ukwenza utshintsho olwahlukileyo lwe-grayscale ngokutshintsha ubude bexesha lokuvula nokucima.Obu buchule bunokubizwa ngokuba kukumodareyitha komjikelo.Ekubeni ii-LED ubukhulu becala zizinto eziqhutywa ngoku, kwi-design ye-Micro-LED micro displays, indlela yokuyila yomthombo ozimeleyo okhoyo ngoku isoloko isetyenziselwa ukuqhuba ipikseli nganye ezimeleyo ukuhlangabezana neemfuno zokukhanya okufanayo kunye nobude obuzinzile., Ukongeza, ukuba ukuhanjiswa kombala ozimeleyo wetekhnoloji ye-Micro-LED isetyenzisiwe, kuyafuneka ukuba kuqwalaselwe umbane wokusebenza we-RGB eyahlukileyo, kwaye ke ngoko kufuneka uyile isekethe yolawulo lombane ozimeleyo ngaphakathi kwepikseli.
Ixesha lokuposa: Oct-10-2022