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　　韓聯社(she)報道稱(cheng)三(san)星(xing)顯(xian)(xian)示(SDC)公司全球率先推出的(de)(de)低功(gong)(gong)耗智能手機OLED面板技術榮獲(huo)國際信息顯(xian)(xian)示學(xue)會(SID)授予(yu)的(de)(de)“年度(du)最(zui)(zui)佳顯(xian)(xian)示獎”。三(san)星(xing)低功(gong)(gong)耗OLED斬獲(huo)SID年度(du)最(zui)(zui)佳顯(xian)(xian)示獎

　　圖(tu)片(pian)來源(global.samsungdisplay.com)三(san)星顯(xian)示研發的“Eco2 OLED™”技(ji)術(shu)采用(yong)(yong)疊(die)層結構代替傳統(tong)核心(xin)材料(liao)偏光(guang)片(pian)，將OLED面板(ban)的透光(guang)率提升33%，功耗降低(di)25%，首次應(ying)用(yong)(yong)于(yu)三(san)星旗下折(zhe)疊(die)屏(ping)智(zhi)能手(shou)機Galaxy Z Fold3。由(you)于(yu)該技(ji)術(shu)去除偏光(guang)片(pian)，被視為(wei)環境(jing)友好型(xing)技(ji)術(shu)。Eco2 OLED 技(ji)術(shu)首次應(ying)用(yong)(yong)于(yu)去年8月份發布的三(san)星 Galaxy Z Fold3 上的可折(zhe)疊(die)顯(xian)示屏(ping)，它(ta)也對 UPC（屏(ping)下攝(she)像頭(tou)）的應(ying)用(yong)(yong)做出(chu)了貢獻。三(san)星顯(xian)示表示，隨著(zhu)顯(xian)示屏(ping)透光(guang)率的提升，它(ta)能為(wei)面板(ban)內的攝(she)像頭(tou)模塊(kuai)提供更(geng)多的光(guang)線(xian)，從而確保了基于(yu) UPC 技(ji)術(shu)的應(ying)用(yong)(yong)。

　　三(san)(san)星科(ke)普道(dao)，偏(pian)(pian)(pian)(pian)(pian)光(guang)(guang)(guang)(guang)(guang)(guang)片(pian)是(shi)(shi)(shi)一(yi)(yi)(yi)(yi)(yi)塊不(bu)透(tou)明(ming)的(de)(de)(de)(de)(de)(de)(de)(de)塑料片(pian)，是(shi)(shi)(shi)通過防止來(lai)自(zi)面(mian)板外部(bu)(bu)(bu)的(de)(de)(de)(de)(de)(de)(de)(de)光(guang)(guang)(guang)(guang)(guang)(guang)線擊中像素(su)間(jian)的(de)(de)(de)(de)(de)(de)(de)(de)電極并(bing)反(fan)(fan)射，從(cong)而(er)(er)增加OLED顯(xian)(xian)(xian)(xian)(xian)示(shi)(shi)屏(ping)可(ke)視(shi)性(xing)的(de)(de)(de)(de)(de)(de)(de)(de)部(bu)(bu)(bu)件。一(yi)(yi)(yi)(yi)(yi)般而(er)(er)言，光(guang)(guang)(guang)(guang)(guang)(guang)線通過偏(pian)(pian)(pian)(pian)(pian)光(guang)(guang)(guang)(guang)(guang)(guang)片(pian)時，亮(liang)度會(hui)(hui)(hui)下降(jiang)50%以(yi)(yi)(yi)上(shang)(shang)，導致光(guang)(guang)(guang)(guang)(guang)(guang)效率(lv)(lv)不(bu)佳(jia)。常規(gui)的(de)(de)(de)(de)(de)(de)(de)(de)OLED器(qi)件采(cai)用的(de)(de)(de)(de)(de)(de)(de)(de)是(shi)(shi)(shi)圓(yuan)偏(pian)(pian)(pian)(pian)(pian)光(guang)(guang)(guang)(guang)(guang)(guang)片(pian)以(yi)(yi)(yi)減少外界(jie)入射環境光(guang)(guang)(guang)(guang)(guang)(guang)對(dui)顯(xian)(xian)(xian)(xian)(xian)示(shi)(shi)效果(guo)(guo)的(de)(de)(de)(de)(de)(de)(de)(de)影響。雖(sui)然配有(you)圓(yuan)偏(pian)(pian)(pian)(pian)(pian)光(guang)(guang)(guang)(guang)(guang)(guang)片(pian)的(de)(de)(de)(de)(de)(de)(de)(de)OLED器(qi)件顯(xian)(xian)(xian)(xian)(xian)示(shi)(shi)效果(guo)(guo)優秀，但是(shi)(shi)(shi)其器(qi)件厚度大(da)約(yue)增加50~100μm的(de)(de)(de)(de)(de)(de)(de)(de)同時會(hui)(hui)(hui)損失部(bu)(bu)(bu)分(fen)亮(liang)度。根據(ju)(ju)OLED技(ji)術(shu)原理(li)(li)，在屏(ping)幕(mu)正面(mian)防反(fan)(fan)光(guang)(guang)(guang)(guang)(guang)(guang)，不(bu)同于LCD的(de)(de)(de)(de)(de)(de)(de)(de)偏(pian)(pian)(pian)(pian)(pian)光(guang)(guang)(guang)(guang)(guang)(guang)片(pian)，OLED用的(de)(de)(de)(de)(de)(de)(de)(de)是(shi)(shi)(shi)1/4波片(pian)。如果(guo)(guo)沒有(you)偏(pian)(pian)(pian)(pian)(pian)光(guang)(guang)(guang)(guang)(guang)(guang)片(pian)OLED屏(ping)會(hui)(hui)(hui)像鏡子一(yi)(yi)(yi)(yi)(yi)樣反(fan)(fan)光(guang)(guang)(guang)(guang)(guang)(guang)，貼上(shang)(shang)之(zhi)后屏(ping)幕(mu)馬上(shang)(shang)會(hui)(hui)(hui)很黑。偏(pian)(pian)(pian)(pian)(pian)光(guang)(guang)(guang)(guang)(guang)(guang)片(pian)是(shi)(shi)(shi)一(yi)(yi)(yi)(yi)(yi)種(zhong)不(bu)透(tou)明(ming)的(de)(de)(de)(de)(de)(de)(de)(de)塑料片(pian)，是(shi)(shi)(shi)一(yi)(yi)(yi)(yi)(yi)種(zhong)通過防止來(lai)自(zi)面(mian)板外部(bu)(bu)(bu)的(de)(de)(de)(de)(de)(de)(de)(de)光(guang)(guang)(guang)(guang)(guang)(guang)線“擊中“像素(su)間(jian)的(de)(de)(de)(de)(de)(de)(de)(de)電極并(bing)被反(fan)(fan)射，從(cong)而(er)(er)增加OLED顯(xian)(xian)(xian)(xian)(xian)示(shi)(shi)屏(ping)的(de)(de)(de)(de)(de)(de)(de)(de)可(ke)視(shi)性(xing)的(de)(de)(de)(de)(de)(de)(de)(de)部(bu)(bu)(bu)件。OLED偏(pian)(pian)(pian)(pian)(pian)光(guang)(guang)(guang)(guang)(guang)(guang)片(pian)的(de)(de)(de)(de)(de)(de)(de)(de)基本結構分(fen)為(wei)(wei)(wei)(wei)偏(pian)(pian)(pian)(pian)(pian)光(guang)(guang)(guang)(guang)(guang)(guang)部(bu)(bu)(bu)分(fen)（偏(pian)(pian)(pian)(pian)(pian)光(guang)(guang)(guang)(guang)(guang)(guang)片(pian)）和(he)1/4λ功(gong)能性(xing)補(bu)償(chang)部(bu)(bu)(bu)分(fen)（1/4λ波片(pian)）。偏(pian)(pian)(pian)(pian)(pian)光(guang)(guang)(guang)(guang)(guang)(guang)片(pian)最理(li)(li)想的(de)(de)(de)(de)(de)(de)(de)(de)狀態需要偏(pian)(pian)(pian)(pian)(pian)光(guang)(guang)(guang)(guang)(guang)(guang)度＞99.9％，透(tou)過率(lv)(lv)達到45％以(yi)(yi)(yi)上(shang)(shang)，而(er)(er)1/4λ補(bu)償(chang)部(bu)(bu)(bu)分(fen)要求(qiu)可(ke)見(jian)光(guang)(guang)(guang)(guang)(guang)(guang)區全(quan)波長進(jin)行(xing)補(bu)償(chang)。一(yi)(yi)(yi)(yi)(yi)般來(lai)說，當(dang)光(guang)(guang)(guang)(guang)(guang)(guang)線通過偏(pian)(pian)(pian)(pian)(pian)光(guang)(guang)(guang)(guang)(guang)(guang)片(pian)時，亮(liang)度就(jiu)(jiu)會(hui)(hui)(hui)下降(jiang)50%以(yi)(yi)(yi)上(shang)(shang)，進(jin)而(er)(er)導致光(guang)(guang)(guang)(guang)(guang)(guang)效率(lv)(lv)不(bu)佳(jia)。為(wei)(wei)(wei)(wei)了(le)(le)克服偏(pian)(pian)(pian)(pian)(pian)光(guang)(guang)(guang)(guang)(guang)(guang)片(pian)的(de)(de)(de)(de)(de)(de)(de)(de)缺點(dian)，顯(xian)(xian)(xian)(xian)(xian)示(shi)(shi)行(xing)業(ye)進(jin)行(xing)了(le)(le)各種(zhong)嘗試。而(er)(er)三(san)(san)星顯(xian)(xian)(xian)(xian)(xian)示(shi)(shi)首(shou)次成(cheng)(cheng)功(gong)地將偏(pian)(pian)(pian)(pian)(pian)光(guang)(guang)(guang)(guang)(guang)(guang)片(pian)的(de)(de)(de)(de)(de)(de)(de)(de)外部(bu)(bu)(bu)光(guang)(guang)(guang)(guang)(guang)(guang)反(fan)(fan)射功(gong)能內(nei)部(bu)(bu)(bu)化，同時提(ti)高(gao)了(le)(le)OLED顯(xian)(xian)(xian)(xian)(xian)示(shi)(shi)面(mian)板的(de)(de)(de)(de)(de)(de)(de)(de)光(guang)(guang)(guang)(guang)(guang)(guang)效率(lv)(lv)。因此，去偏(pian)(pian)(pian)(pian)(pian)光(guang)(guang)(guang)(guang)(guang)(guang)片(pian)實際上(shang)(shang)就(jiu)(jiu)是(shi)(shi)(shi)要減少光(guang)(guang)(guang)(guang)(guang)(guang)損失，提(ti)升(sheng)OLED光(guang)(guang)(guang)(guang)(guang)(guang)效率(lv)(lv)。特別(bie)是(shi)(shi)(shi)特別(bie)是(shi)(shi)(shi)作為(wei)(wei)(wei)(wei)隨著屏(ping)幕(mu)變寬(kuan)的(de)(de)(de)(de)(de)(de)(de)(de)可(ke)折(zhe)疊手機(ji)以(yi)(yi)(yi)及(ji)未來(lai)卷(juan)曲型(xing)柔性(xing)顯(xian)(xian)(xian)(xian)(xian)示(shi)(shi)產品，在體驗游(you)戲、超高(gao)清晰度視(shi)頻時，以(yi)(yi)(yi)及(ji)采(cai)用120赫茲(Hz)以(yi)(yi)(yi)上(shang)(shang)高(gao)刷新率(lv)(lv)已(yi)成(cheng)(cheng)為(wei)(wei)(wei)(wei)必需，對(dui)低(di)功(gong)耗技(ji)術(shu)的(de)(de)(de)(de)(de)(de)(de)(de)需求(qiu)必然大(da)漲。而(er)(er)去偏(pian)(pian)(pian)(pian)(pian)光(guang)(guang)(guang)(guang)(guang)(guang)片(pian)技(ji)術(shu)也就(jiu)(jiu)成(cheng)(cheng)為(wei)(wei)(wei)(wei)一(yi)(yi)(yi)(yi)(yi)種(zhong)必然的(de)(de)(de)(de)(de)(de)(de)(de)選擇。三(san)(san)星顯(xian)(xian)(xian)(xian)(xian)示(shi)(shi)成(cheng)(cheng)功(gong)開發出了(le)(le)一(yi)(yi)(yi)(yi)(yi)種(zhong)阻擋外部(bu)(bu)(bu)光(guang)(guang)(guang)(guang)(guang)(guang)線反(fan)(fan)射的(de)(de)(de)(de)(de)(de)(de)(de)屏(ping)幕(mu)疊層結構，來(lai)替代“偏(pian)(pian)(pian)(pian)(pian)光(guang)(guang)(guang)(guang)(guang)(guang)片(pian)”，進(jin)而(er)(er)實現了(le)(le)功(gong)耗大(da)降(jiang)25%，透(tou)光(guang)(guang)(guang)(guang)(guang)(guang)率(lv)(lv)提(ti)升(sheng)33%的(de)(de)(de)(de)(de)(de)(de)(de)巨大(da)效果(guo)(guo)提(ti)升(sheng)。業(ye)內(nei)把無偏(pian)(pian)(pian)(pian)(pian)光(guang)(guang)(guang)(guang)(guang)(guang)片(pian)OLED稱(cheng)為(wei)(wei)(wei)(wei)POL-LESS OLED，其結構被稱(cheng)為(wei)(wei)(wei)(wei)On Cell Polarizers（OCP）和(he)Color On Encapsulation（COE）。據(ju)(ju)悉，目前業(ye)界(jie)對(dui)一(yi)(yi)(yi)(yi)(yi)些(xie)技(ji)術(shu)術(shu)語都有(you)自(zi)己的(de)(de)(de)(de)(de)(de)(de)(de)定義(yi)，比如這個(ge)POL-LESS OLED技(ji)術(shu)，在BOE被稱(cheng)作COE，而(er)(er)天馬稱(cheng)為(wei)(wei)(wei)(wei)CFOT。

　　天馬(ma)8.3吋(cun)折疊CFOT技術屏幕

　　實際(ji)上，這種(zhong)去(qu)偏(pian)光(guang)(guang)片(pian)技(ji)術(shu)就(jiu)是(shi)(shi)在(zai)在(zai)OLED屏的(de)(de)發光(guang)(guang)像素區域制作對應顏色(se)(se)(se)的(de)(de)CF，在(zai)像素間隙做上黑(hei)色(se)(se)(se)的(de)(de)BM（BM：black matrix，一(yi)種(zhong)黑(hei)色(se)(se)(se)的(de)(de)膠），即防止了(le)反射光(guang)(guang)，又提(ti)高了(le)透過(guo)率。據了(le)解，去(qu)偏(pian)光(guang)(guang)片(pian)需要涉及(ji)以下三項關鍵技(ji)術(shu)：1.一(yi)種(zhong)黑(hei)色(se)(se)(se)不透明的(de)(de)像素定義材(cai)料（PDL），以前沒(mei)有(you)披露，是(shi)(shi)新(xin)產品，其優(you)點是(shi)(shi)可以降低圓偏(pian)光(guang)(guang)片(pian)反射光(guang)(guang)，提(ti)高對比度(du)；2.新(xin)加濾色(se)(se)(se)片(pian)；3.新(xin)加黑(hei)色(se)(se)(se)矩陣。

　　多(duo)數(shu)面板(ban)廠(chang)的(de)去偏光片技術(shu)

　　PDL是(shi)(shi)TFT工(gong)(gong)(gong)藝中位(wei)于(yu)OLED層(ceng)(ceng)下面(mian)的(de)(de)(de)(de)(de)(de)最后(hou)一個掩(yan)模(mo)。它是(shi)(shi)一個相對(dui)較厚的(de)(de)(de)(de)(de)(de)層(ceng)(ceng)，用于(yu)定(ding)義(yi)(yi)每個子像(xiang)素，以便OLED顏色(se)(se)不會(hui)(hui)相互干擾。在加(jia)入(ru)吸光(guang)(guang)組份后(hou)，它就能(neng)吸收任(ren)何通過彩色(se)(se)濾(lv)光(guang)(guang)片(pian)的(de)(de)(de)(de)(de)(de)光(guang)(guang)，而這(zhe)些(xie)光(guang)(guang)不會(hui)(hui)被(bei)金屬(shu)電極和(he)(he)發射(she)(she)層(ceng)(ceng)吸收或反(fan)射(she)(she)，將(jiang)(jiang)有助于(yu)提高反(fan)射(she)(she)率(lv)，同(tong)時OCP/COE的(de)(de)(de)(de)(de)(de)反(fan)射(she)(she)率(lv)性能(neng)也(ye)不再需(xu)要(yao)(yao)單層(ceng)(ceng)抗反(fan)射(she)(she)膜。三(san)星則是(shi)(shi)在Y-OCTA圖層(ceng)(ceng)上加(jia)載(zai)彩色(se)(se)濾(lv)光(guang)(guang)片(pian)和(he)(he)黑矩陣(zhen)圖案(an)作(zuo)為改善(shan)反(fan)射(she)(she)的(de)(de)(de)(de)(de)(de)主要(yao)(yao)方式。但這(zhe)增(zeng)加(jia)了制(zhi)造過程的(de)(de)(de)(de)(de)(de)復雜程度。據(ju)預(yu)計，還(huan)需(xu)要(yao)(yao)另外五次光(guang)(guang)罩來(lai)添加(jia)BM、RGB彩色(se)(se)濾(lv)光(guang)(guang)片(pian)和(he)(he)OC層(ceng)(ceng)。業內(nei)表示，由于(yu)低(di)溫與保護底層(ceng)(ceng)的(de)(de)(de)(de)(de)(de)要(yao)(yao)求，采用新增(zeng)材料層(ceng)(ceng)來(lai)實現無(wu)偏光(guang)(guang)片(pian)OLED技術將(jiang)(jiang)導(dao)致與這(zhe)些(xie)步(bu)驟相關聯的(de)(de)(de)(de)(de)(de)生產(chan)速度較慢，這(zhe)將(jiang)(jiang)導(dao)致在光(guang)(guang)罩設(she)備上的(de)(de)(de)(de)(de)(de)巨額資本支出，光(guang)(guang)罩設(she)備是(shi)(shi)背板(ban)制(zhi)造中最昂(ang)貴的(de)(de)(de)(de)(de)(de)工(gong)(gong)(gong)具之一，隨(sui)著加(jia)工(gong)(gong)(gong)步(bu)驟數(shu)量(liang)的(de)(de)(de)(de)(de)(de)增(zeng)加(jia)，產(chan)量(liang)降低(di)的(de)(de)(de)(de)(de)(de)風險也(ye)會(hui)(hui)存在。三(san)星顯(xian)示中小(xiao)型顯(xian)示事業部總(zong)裁金圣哲表示，“Eco2 OLED™”技術大(da)幅改善(shan)OLED面(mian)板(ban)的(de)(de)(de)(de)(de)(de)功(gong)耗，意義(yi)(yi)深(shen)遠(yuan)。公司將(jiang)(jiang)積(ji)極擴大(da)該技術的(de)(de)(de)(de)(de)(de)應用范(fan)圍，繼(ji)續研發低(di)功(gong)耗綠色(se)(se)技術，引領顯(xian)示器(qi)行(xing)業創(chuang)新。來(lai)源：AIOT大(da)數(shu)據(ju)