A baya, lokacin da muka kula da Micro LED, ba za mu iya guje wa mawuyacin batun "canja wurin taro".A yau, yana da kyau a yi tsalle daga sarƙoƙi na kwakwalwan kwamfuta da tattauna wannan batu a kan hanyar miniaturization LED.Bari mu dubi canje-canjen daidaitawa dagaMini LEDzuwa Micro LED, nau'in marufi, kayan luminescent da direba IC.Wadanne ne za su tafi na yau da kullun?Waɗanne ne za su shuɗe daga ganinmu?
Daga ƙaramin farar zuwa Micro LED, menene canje-canje zai faru a cikin nau'in samfuran fakitin?
Daga hangen nesa na marufi, LED nuni za a iya raba uku eras: kananan farar, Mini da Micro.Zamanin marufi daban-daban suna da nau'ikan samfur daban-daban nam LED nunina'urori.1. Single-pixel 3-in-1 rabuwa na'urar SMD: 1010 shine wakilci na yau da kullun;2. Array nau'in kunshin rabuwa na'urar AIP: Hudu cikin ɗaya shine wakilci na yau da kullun;3. Surface gluing GOB: SMD al'ada zazzabi ruwa gluing ne na hali wakilin;4. Hadakar marufi COB: manne ruwan zafi na al'ada shine wakilci na yau da kullun.
A cikin Mini LED zamanin, akwai nau'ikan nau'ikan nau'ikan samfuri guda biyu: na'urori masu hankali duka-cikin-ɗaya da haɗaɗɗen marufi.Wakilin al'ada na SMT shine duk-in-daya kuma na'urori daban.Wakilin na yau da kullun na ƙirar ƙirar jiki shine haɗaɗɗen marufi.Haɗin fasahar marufi har yanzu yana da matsaloli kamar launin tawada da daidaiton launi, yawan amfanin ƙasa, da farashi.Na'urar rabuwa ta 0505 ita ce iyakar SMD.A halin yanzu, ana fuskantar galibi tare da dogaro, ingantaccen SMT, turawa da sauran batutuwa.A zamanin Mini LED, ƙila ya yi asarar babbar hanyar fasaha.A zamanin Micro LED, babu shakka cewa za a haɗa marufi.Amma matsalar matsalar ita ce canja wurin guntu.
Dangane da tsinkayar yanayin fasaha na gaba na nunin LED, akwai manyan maki hudu:1. Marufi fasaha ya samo asali daga batu fasaha marufi zuwa surface fasahar marufi, fuskantar LED miniaturization.Wannan zai zama hanyar rage matakan masana'antu da rage farashin tsarin.2. Daga Daya daya, Hudu a daya zuwa N daya.An sauƙaƙe fom ɗin marufi.3. Daga hangen nesa na guntu girman da dige farar, babu wani shakka daga Mini LED zuwa micro LED.4. Daga hangen nesa na kasuwa mai mahimmanci, nunin LED na gaba zai canza daga aikin injiniya da kasuwar haya zuwa kasuwar nunin kasuwanci.Canji daga nuni "allon" zuwa nuni "na'urar".
A zamanin Mini LED da Micro LED, menene game da phosphor?
Mini LED/Micro LED cikakken guntu nuni ana fifita su gabaɗayajagoranci nuni masana'antu, amma matsalolin matsananciyar canja wuri a cikin tsarin masana'antu, sarrafa guntu masu launi da yawa da raguwa daban-daban suma suna shahara sosai.Kafin a warware matsalolin da ke sama gaba ɗaya, haɓaka sabbin phosphor masu farin ciki da shuɗi Mini LED / Micro LED don guje wa ƙarancin fasahar da ke akwai da ba da cikakkiyar wasa ga fa'idodin fasaha kuma tsarin fasaha ne da masana'antu ke la'akari da su.Duk da haka, wajibi ne a magance matsalar ƙananan ƙwayar phosphor da asarar inganci da ƙananan ƙwayar ƙwayar cuta ta haifar.
A halin yanzu, Mini LED har yanzu yana dacewa da masana'antar LCD a matsayin tushen hasken baya, amma a halin yanzu ba shi da fa'idar tsada.A yau, matakin masana'antu na gamut launi mai nunin kristal na ruwa dangane da sabbin hanyoyin hasken baya na LED ya wuce 90% NTSC.Binciken da ba kasafai aka yi bincike ba sun sami nasarar samar da yawan jama'a da amfani da fa'ida na kunkuntar fluorides.A ci gaba da cinye sabon kunkuntar-band watsi da ja da kore phosphor da LED backlights.Wannan yana taimakawa don ƙara haɓaka gamut ɗin launi na nunin crystal ruwa zuwa 110% NTSC, wanda yayi daidai da fasahar OLED/QLED.
Bugu da ƙari, ƙila kayan ke fitar da hasken ɗigon ƙididdiga su ma na iya taka rawa.Amma kayan kwalliyar adadi mai haske "suna da kyau" kuma an ba su babban bege.Koyaya, matsalolin kwanciyar hankali, ingantaccen haske, kare muhalli da tsadar aikace-aikacen ba a warware su da kyau ba.Bugu da ƙari, ɗigon ƙididdiga na photoluminescent na wucin gadi ne.Ainihin aikace-aikacen dige ƙididdiga yana cikin QLED.A halin yanzu, wasu duniyoyin da ba kasafai ba suma sun shimfida haɓakar kayan aikin haske don QLED.
Me yasa hanyar tuƙi na nunin LED na asali baya aiki idan yazo zamanin Mini da Micro LED?
Lokacin da nunin LED ya shiga Micro LED da Mini LED, ba za a iya amfani da hanyoyin tuƙi na LED na gargajiya ba.Babban dalilin shine wurin samuwa.Gabaɗaya magana, na gargajiyaLED nunidireban IC na iya tuƙi har zuwa 600 pixels, kuma saboda yawanci ana amfani da nunin LED a cikin yanki sama da inci 120, girman IC ɗin ba zai haifar da matsala ba.Duk da haka, idan pixels iri ɗaya sun dace da girman littafin rubutu ko wayar hannu, ICs masu girma da lamba ɗaya ba za su shiga cikin na'urar littafin rubutu ko wayar hannu ba, don haka Micro LED da Mini LED suna buƙatar hanyoyin tuki daban-daban.
Gabaɗaya, nau'ikan tuƙi na nuni za a iya kasu kusan iri biyu.Nau'in farko shine Passive Matrix.Yawanci m yana nufin cewa kawai lokacin da pixels ɗin da aka duba akan halin yanzu ko ƙarfin lantarki ne kawai za a sami fitowar haske.Sauran lokacin da ba a duba ba ya aiki.Tun da wannan hanya tana aiki ne kawai don shafi ɗaya yayin lokacin kowane juzu'in firam ɗin, yana da matukar wahala a cimma buƙatun babban ƙuduri da haske mai girma akan panel guda.Kuma idan dai akwai gajeriyar da'ira a cikin ɗayan pixels, yana da sauƙi don haifar da sigina.
Bugu da kari, akwai kuma zane-zane masu amfani da karin transistor a matsayin canji don guje wa tsoma bakin siginar da matsalolin bangaren ke haifarwa.Ko ta yaya, aikin har yanzu yana da m.A halin yanzu, wannan hanyar tuƙi galibi ana amfani da ita a aikace-aikace masu ƙarancin ƙima saboda sauƙin ƙirar kewayawa da ƙarancin farashi.Irin su wasanni sa mundaye.Idan akwai buƙatar babban kwamiti mai mahimmanci, ana iya amfani da ƙananan ƙananan kayayyaki masu yawa don haɗuwa, kamar babban allon nuni.
Wani nau'in yanayin tuƙi shine Active Matrix.Kamar yadda sunan ke nunawa, Matrix Active na iya ci gaba da kula da wutar lantarki na yanzu ko yanayin halin yanzu ta na'urar ajiya ta pixel kanta a cikin firam na firam.Domin ana amfani da capacitor don ajiya, akwai kuma matsalolin yoyo da siginar magana, amma ya fi ƙanƙanta da tuƙi.Hanyar tuƙi na analog yawanci har yanzu tana da matsalar daidaituwa ta hanyar siraren fim ɗin transistor da na'urar da ke ba da haske kanta a babban ƙuduri.Saboda haka, akwai ƙarin hadaddun tsarin tushen yanzu kamar 7T1C ko 5T2C don magance matsalar daidaito.
Lokacin da girman pixel yayi ƙanƙanta zuwa ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun buƙatun, za a yi amfani da hanyar tuƙi na dijital gwargwadon yuwuwa don saduwa da matsalar daidaiton da aka ambata a sama.Gabaɗaya, ana amfani da na'ura mai faɗin bugun jini (PWM) don daidaita ma'aunin launin toka.don samar da launi daban-daban na launin toka.
Hanyar PWM galibi tana amfani da sassan bugun jini da aka rarraba cikin tazarar lokaci don haifar da canje-canje daban-daban na launin toka ta canza tsawon lokacin kunna da kashewa.Ana iya kiran wannan dabarar kuma ana iya kiranta aikin sake zagayowar lokaci.Tun da LEDs galibi ana sarrafa su ne a halin yanzu, a cikin ƙirar ƙirar micro-LED, ana amfani da tsarin ƙira na ingantaccen tushe na yanzu don fitar da kowane pixel mai zaman kansa don saduwa da buƙatun haske iri ɗaya da tsayin tsayi., Bugu da ƙari, idan aka yi amfani da fasahar Micro-LED ta hanyar canja wurin launi daban-daban, wajibi ne a yi la'akari da ƙarfin aiki na RGB daban-daban, sabili da haka dole ne a tsara tsarin kula da wutar lantarki mai zaman kanta a cikin pixel.
Lokacin aikawa: Oktoba-10-2022