Eyona nto iphambili, itekhnoloji ye-COB, njengoko isetyenziswa kwi-LCDs, ibandakanya uncamathiselo oluthe ngqo lwesekethe edibeneyo (IC) elawula ukusebenza komboniso kwibhodi yesekethe eprintiweyo (PCB), ethi ke iqhagamshelwe kwiphaneli yeLCD ngokwayo. Oku kuchasene kakhulu neendlela zokupakisha zemveli, ezihlala zifuna iibhodi zomqhubi zangaphandle ezinkulu, ezinzima. Ubuchule be-COB buxhomekeke ekukwazini ukulungelelanisa indibano, ukukhuthaza imodyuli yokubonisa edibeneyo kunye neyomelele. I-silicon engenanto iyafa, eyona ngqondo yomboniso, ibotshelelwe ngobunono kwi-PCB, kwaye emva koko igqunywe ngeresin ekhuselayo. Oku kudityaniswa ngokuthe ngqo akugcini nje ngokugcina umhlaba oxabisekileyo wemihlaba kodwa komeleza uqhagamshelo lombane, okukhokelela ekuthembekeni okuphuculweyo kunye nobomi obude bokusebenza.
Izibonelelo ezinikezelwa yi-COB LCDs zinamabakala amaninzi kwaye ziyanyanzelisa. Okokuqala, yaboukuthembeka okuphuculweyosisiphumo esithe ngqo soyilo oludityanisiweyo. Ngokunciphisa amacandelo adityanisiweyo kunye ne-wiring yangaphandle, ukuchaphazeleka kokungaphumeleli koxhulumaniso kuncitshiswe kakhulu. Oku komelela kwendalo kwenza ukuba ii-LCDs ze-COB zifanelekele ngakumbi izicelo ezifuna ukusebenza okungagungqiyo kwiindawo ezinomngeni, ezifana neepaneli zezixhobo zemoto okanye iinkqubo ezingqongqo zolawulo lwemizi-mveliso. Ukuncamathisela ngokuthe ngqo kunciphisa ubuthathaka obuhlala bunxulunyaniswa noqhagamshelo oluninzi, lunikezela ngesisombululo sokubonisa esinokumelana ne-vibratory enkulu kunye noxinzelelo lwe-thermal.
Okwesibini,ukusebenza kakuhle kwendawoluphawu lwetekhnoloji yeCOB. Ngexesha apho izixhobo zombane ziyancipha ngokuqhubekayo, yonke imilimitha ixabisekile. I-LCDs ze-COB, kunye neenyawo zabo ezinciphileyo, zivumela ukudalwa kweemveliso ezinqabileyo, ezikhaphukhaphu ngaphandle kokunciphisa ukusebenza. Oku kubumbana kwenza inkqubo yokuhlanganisa ibe lula, ibe negalelo ekuncitshisweni kobunzima bokuvelisa kwaye, ngokongezelela, iindleko zemveliso. Ukudityaniswa kukhulula abaqulunqi kwimithintelo yeemodyuli eziqhelekileyo, ukuvula iimbono ezintsha zoyilo lwemveliso kunye nokuphatheka. Umzekelo, iMalio, ivaneard kwizisombululo zokubonisa, ibonelela ngeCOB LCD Module(P/N MLCG-2164). Le modyuli ethile ngumzekelo weempawu zokonga indawo ze-COB, ibonelela ngendawo yokujonga ebanzi yolwazi ngaphakathi kohlobo olusebenzayo, olulungele uluhlu olubanzi lwezicelo ezifuna zombini umzobo kunye nesakhono sokubonisa abalinganiswa.
Ngaphaya koko, ii-LCD ze-COB ziyabonakalaukusebenza kakuhle kwamandla. Ubume be-chip obuphuculweyo kunye nokunciphisa ukunganyangeki kombane okuhambelana noyilo lwazo kunegalelo ekusetyenzisweni kombane okuphantsi, eyona nto ibalulekileyo kwizixhobo ezisebenza ngebhetri kunye neenkqubo ezizama ukusebenza ngokuzinzileyo. Ulawulo olusebenzayo lwe-thermal lolunye uncedo lwangaphakathi. Uyilo luququzelela ukutshatyalaliswa okusebenzayo kobushushu obuveliswa ngexesha lokusebenza kuyo yonke imodyuli, ehlala inyuswa ngokudibeneyo kokushisa okudibeneyo, ngaloo ndlela yandisa ixesha lokuphila lomboniso kunye nokuthintela ukuthotywa kwe-thermal. Ubunjineli bucokisekileyo buqinisekisa ukuba naphantsi komsebenzi oqhubekayo, isiboniso sigcina ukusebenza kakuhle ngaphandle kokunikezela kwizinto ezingaqhelekanga ezibangelwa bubushushu.
Ukuguquguquka kwee-COB LCDs kungqinwa kukwamkelwa kwazo okugqubayo kumacandelo awohlukeneyo. Kwindawo ye-smart utility, iMalio'sIcandelo le-LCD yokuBonisa iModyuli yeCOB yeemitha zoMbanengumzekeliso oyintloko. Ezi modyuli zenzelwe ngokukodwa ukucaca, ukuqhayisa umlinganiselo ophezulu wokuchasana oqinisekisa ukufundeka naphantsi kwelanga elithe ngqo - uphawu olubalulekileyo kwizicelo zemitha zangaphandle okanye ezingaphandle. Ukusetyenziswa kwabo kwamandla aphantsi kunye nokwandisa ixesha lokuphila kwabo kugxininisa ngakumbi ukufaneleka kwabo kwizixhobo ezibaluleke kakhulu. Ngaphaya kwezinto eziluncedo, ii-LCD ze-COB zifumana i-métier yazo kwizixhobo zonyango, ezifana ne-oximeters kunye nezixhobo ze-X-ray, apho ukuthembeka okungagungqiyo kunye nokubonwa kwedatha ngokuchanekileyo kungenakuxoxisana. Usetyenziso lweemoto ngokufanayo lusebenzisa i-COB kwimiboniso yedeshibhodi kunye neenkqubo ze-infotainment, zixhamla ekomeleleni kwazo kunye nokubonakala okucacileyo. Nakumatshini wemizi-mveliso, apho iziboniso zinyamezela iimeko zokusebenza ezinzima, iiLCD zeCOB zibonelela ngengxelo ebonakalayo ethembekileyo.
I-COB vs. I-COG: INdibaniselwano yeNgcaciso zefilosofi yoYilo
Ukuqonda okungafaniyo kwetekhnoloji yokubonisa kudla ngokufuna umahluko phakathi kweendlela ezibonakala zifana. Kwintetho yokudityaniswa komboniso, ii-acronyms ezimbini zihlala zivela: COB (Chip-on-Board) kunyeI-COG (iChip-on-Glass). Ngelixa zombini zijolise ekunciphiseni nasekuphuculeni ukusebenza komboniso, ukwahluka kolwakhiwo lwabo olusisiseko kukhokelela kuncedo olwahlukileyo kunye nezicelo ezikhethwayo.
Umahluko osisiseko ulele kwi-substrate apho umqhubi we-IC afakwe khona. Njengoko kucacisiwe, itekhnoloji ye-COB incamathelisa i-IC ngqo kwi-PCB, ethi emva koko idibane ne-LCD. Ngokwahlukileyo, itekhnoloji ye-COG idlula i-PCB yemveli ngokupheleleyo, ifaka umqhubi we-IC ngqo kwi-substrate yeglasi yephaneli yeLCD. Oku kudityaniswa ngokuthe ngqo kwe-IC kwiglasi kubangela imodyuli edibeneyo kunye ne-svelte ngakumbi, okwenza i-COG ibe lolona khetho lufanelekileyo lwezixhobo apho ukubhitya okugqithisileyo kunye nobunzima obuncinci bubaluleke kakhulu, njengee-smartphones, ii-smartwatches, kunye nezinye izixhobo ze-elektroniki eziphathwayo.
Ukusuka kuyilo kunye nembono yobungakanani, ii-LCD ze-COG ngokwemvelo zineprofayile encinci ngenxa yokungabikho kwePCB eyahlukileyo. Olu hlanganiso luthe ngqo lufezekisa ubunzulu bemodyuli, luququzelela uyilo lwemveliso ebhitye kakhulu. I-COB, ngelixa isabambene ngokumangalisayo xa kuthelekiswa nobuchwepheshe obudala, igcina ukuguquguquka okubonelelwa yi-PCB, ivumela uyilo oluntsonkothileyo kunye nolwenzelwe wena. Oku kunokubandakanya ukudibanisa iinxalenye ezongezelelweyo okanye iisekethe ezintsonkothileyo ngokuthe ngqo ebhodini, ezinokuba luncedo kwizicelo ezithile ezifuna ubukrelekrele obukhulu bebhodi okanye indibaniselwano yeperipheral.
Ngokumalunga nokusebenza kunye nokuqina, zombini itekhnoloji inika ukuthembeka okuphezulu. Nangona kunjalo, ii-LCD ze-COG, ngenxa yokuba neendawo ezimbalwa zoqhagamshelwano (i-IC ngqo kwiglasi), ngamanye amaxesha inokubonisa umda wokuqina okukrwada ngokuchasene neentlobo ezithile zoxinzelelo lomatshini. Ngokuchaseneyo, ii-COB LCDs, kunye ne-IC zifakwe ngokukhuselekileyo kwi-PCB ezinzileyo kwaye zifakwe kwi-encapsulated, zihlala zibonelela ngeqonga esomeleleyo ngakumbi ekusebenzeni kwenkqubo iyonke, ngakumbi apho ukuxhathisa ukungcangcazela okanye impembelelo kuyinkxalabo ephambili. Umba wokulungisa nawo uyohlukana; ngelixa iimodyuli ze-COG ziyaziwa ngokuba ngumngeni wokulungisa ngenxa yokudibanisa ngokuthe ngqo kwiglasi, iimodyuli ze-COB, kunye ne-IC yazo kwi-PCB eyahlukileyo, inokubonelela ngokulula ukulungiswa kunye neendlela zokuguqulwa.
Ukuqwalaselwa kweendleko kukwabonisa i-dichotomy. Kwimveliso ephezulu kakhulu yeemodyuli ezisemgangathweni, itekhnoloji ye-COG inokubonisa ixabiso elithe kratya ngenxa yeenkqubo zokuhlanganisana ezilula kunye nokunciphisa ukusetyenziswa kwezinto ezibonakalayo ekuhambeni kwexesha. Nangona kunjalo, kwizicelo ezifuna uhlengahlengiso oluthile okanye ukuhanjiswa kwevolumu ephantsi, itekhnoloji yeCOB ihlala ibonelela ngamandla oqoqosho, njengoko iindleko zezixhobo zokubumba iglasi yeCOG zinokuthintelwa. Ubuchwephesha bukaMalio budlulelaLCD/LCM Segment Iziboniso zokulinganisa, inikezela ngobuninzi bezinto onokukhetha kuzo ezibandakanya uhlobo lwe-LCD, umbala ongasemva, imowudi yokubonisa, kunye noluhlu lobushushu obusebenzayo. Oku bhetyebhetye ekulungiseni izisombululo zokubonisa kuthetha ukuguquguquka okungokwemvelo kobuchwepheshe obufana ne-COB ekuhlangabezaneni neemfuno ze-bespoke, apho ukukwazi ukuguqula uyilo lwe-PCB kubaluleke kakhulu.
Ukhetho phakathi kweCOB kunye neCOG ekugqibeleni luxhomekeke kwiingxamiseko ezithile zesicelo. Kuyilo olubeka phambili ukubhitya okuphezulu kunye nomthamo omkhulu we-elektroniki wabathengi, i-COG ihlala ithatha indawo yokuqala. Nangona kunjalo, kwizicelo ezifuna ulungelelwaniso lokusebenza olomeleleyo, ukuguquguquka koyilo, kunye nokuhambelana okuphezulu kwe-electromagnetic, i-COB ihlala iyinketho enyanzelekileyo. Ukukwazi kwayo ukuxhasa isekethe enzima ngakumbi kwi-PCB edibeneyo iyenza ixabiseke kakhulu kumashishini, kwiimoto, nakwisixhobo esikhethekileyo.
Umzila wexesha elizayo weZiboniso eziDityanisiweyo
Ukuvela kwetekhnoloji yokubonisa kukufuna okungapheliyo kwesisombululo esikhulu, ukucaca okuphuculweyo, kunye nezinto ezincitshisiweyo zefomu. Itekhnoloji yeCOB LCD, enezinto zayo eziluncedo, ikulungele ukuhlala ingumdlali obalulekileyo kolu qhubekeko luqhubekayo. Ukuqhubela phambili okuqhubekayo kwizinto zokudibanisa, ubuchule bokudibanisa, kunye ne-IC miniaturization iya kuphucula ngakumbi iimodyuli ze-COB, ukutyhala imida yento enokwenzeka ekuboniseni ukuhlanganiswa.
Ukukwazi ukupakisha izinto ezixineneyo, okukhokelela kwimiboniso "ye-ultra-micro pitch", iya kuvelisa izikrini ezinobume obungenakuthelekiswa nanto kunye nokungenamthungo. Olu xinaniso lukwanegalelo kumlinganiselo ophezulu wokuchasana, njengoko ukungabikho kwezinto zokupakisha zendabuko kunciphisa ukuvuza kokukhanya kunye nokwandisa ubunzulu bomnyama. Ngaphaya koko, ukuqina kwendalo kunye nolawulo olusebenzayo lobushushu lwezakhiwo ze-COB kubenza babe ngabagqatswa abafanelekileyo kwizicelo ezisakhulayo zokubonisa, kubandakanya nemiboniso ebhetyebhetye kunye neselubala, apho iindlela zemveli ziyasokola ukuhlangabezana neemfuno zomzimba.
I-Malio, ngokuzibophelela kwayo kwizisombululo zemiboniso ephambili, ihlala iphonononga ezi nkqubela phambili. Uluhlu lwabo lweemveliso ze-COB, ukusuka kwiimodyuli zegraphic ezinesisombululo esiphezulu ukuya kwimiboniso yecandelo elikhethekileyo ukwenzela izixhobo ezintsonkothileyo, zigxininisa ubuchule babo ekusebenziseni amandla apheleleyo obu buchwepheshe. Ikamva liza kungqina ngokungathandabuzekiyo ii-LCD ze-COB ziphambili kuyilo lwemveliso, iququzelela ukuntywiliselwa ngakumbi, ukuhlala ixesha elide, kunye nembonakalo yelizwe eyonga amandla kuwo wonke amashishini.
Ixesha lokuposa: Jun-06-2025