500万彩票

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硅基光電子學_光通信百科


OLED(OrganicLight-Emitting Diode),又稱為有機電激光顯示、有機發光半導體(OrganicElectroluminesence Display,OLED)。OLED屬于一種電流型的有機發光器件,是通過載流子的注入和復合而致發光的現象,發光強度與注入的電流成正比。OLED在電場的作用下,陽極產生的空穴和陰極產生的電子就會發生移動,分別向空穴傳輸層和電子傳輸層注入,遷移到發光層。當二者在發光層相遇時,產生能量激子,從而激發發光分子最終產生可見光。
中文全稱
有機發光二極管
英文全稱
OrganicLight-Emitting Diode
簡稱
OLED

簡介

500万彩票 YOUJIFAGUANGERJIGUAN(OrganicLight-Emitting Diode,OLED),YOUCHENGWEIYOUJIDIANJIGUANGXIANSHI、YOUJIFAGUANGBANDAOTI(OrganicElectroluminesence Display,OLED),SHIZHIYOUJIBANDAOTICAILIAOHEFAGUANGCAILIAOZAIDIANCHANGQUDONGXIA,TONGGUOZAILIUZIZHURUHEFUHEDAOZHIFAGUANGDEXIANXIANG。


500万彩票 YIBANERYAN,OLEDKEANFAGUANGCAILIAOFENWEILIANGZHONG:XIAOFENZIOLEDHEGAOFENZIOLED(YEKECHENGWEIPLED)。OLEDSHIYIZHONGLIYONGDUOCENGYOUJIBOMOJIEGOUCHANSHENGDIANZHIFAGUANGDEQIJIAN,TAHENRONGYIZHIZUO,ERQIEZHIXUYAODIDEQUDONGDIANYA,ZHEXIEZHUYAODETEZHENGSHIDEOLEDZAIMANZUPINGMIANXIANSHIQIDEYINGYONGSHANGXIANDEFEICHANGTUCHU。OLEDXIANSHIPINGBILCDGENGQINGBO、LIANGDUGAO、GONGHAODI、XIANGYINGKUAI、QINGXIDUGAO、ROUXINGHAO、FAGUANGXIAOLVGAO,NENGMANZUXIAOFEIZHEDUIXIANSHIJISHUDEXINXUQIU。QUANQIUYUELAIYUEDUODEXIANSHIQICHANGJIAFENFENTOURUYANFA,DADADETUIDONGLEOLEDDECHANYEHUAJINCHENG。

結構

OLEDQIJIANYOUJIBAN、YINJI、YANGJI、KONGXUEZHURUCENG(HIL)、DIANZIZHURUCENG(EIL)、KONGXUECHUANSHUCENG(HTL)、DIANZICHUANSHUCENG(ETL)、DIANZIZUDANGCENG(EBL)、KONGXUEZUDANGCENG(EBL)、FAGUANGCENG(EML)DENGBUFENGOUCHENG。QIZHONG,JIBANSHIZHENGGEQIJIANDEJICHU,SUOYOUGONGNENGCENGDOUXUYAOZHENGDUDAOQIJIANDEJIBANSHANG;TONGCHANGCAIYONGBOLIZUOWEIQIJIANDEJIBAN,DANSHIRUGUOXUYAOZHIZUOKEWANQUDEROUXINGOLEDQIJIAN,ZEXUYAOSHIYONGQITACAILIAORUSULIAODENGZUOWEIQIJIANDEJIBAN。YANGJIYUQIJIANWAIJIAQUDONGDIANYADEZHENGJIXIANGLIAN,YANGJIZHONGDEKONGXUEHUIZAIWAIJIAQUDONGDIANYADEQUDONGXIAXIANGQIJIANZHONGDEFAGUANGCENGYIDONG,YANGJIXUYAOZAIQIJIANGONGZUOSHIJUYOUYIDINGDETOUGUANGXING,SHIDEQIJIANNEIBUFACHUDEGUANGNENGGOUBEIWAIJIEGUANCHADAO;YANGJIZUICHANGSHIYONGDECAILIAOSHIITO。KONGXUEZHURUCENGNENGGOUDUIQIJIANDEYANGJIJINXINGXIUSHI,BINGKEYISHILAIZIYANGJIDEKONGXUESHUNLIDEZHURUDAOKONGXUECHUANSHUCENG;KONGXUECHUANSHUCENGFUZEJIANGKONGXUEYUNSHUDAOFAGUANGCENG;DIANZIZUDANGCENGHUIBALAIZIYINJIDEDIANZIZUDANGZAIQIJIANDEFAGUANGCENGJIEMIANCHU,ZENGDAQIJIANFAGUANGCENGJIEMIANCHUDIANZIDENONGDU;FAGUANGCENGWEIQIJIANDIANZIHEKONGXUEZAIJIEHEXINGCHENGJIZIRANHOUJIZITUIJIFAGUANGDEDIFANG;KONGXUEZUDANGCENGHUIJIANGLAIZIYANGJIDEKONGXUEZUDANGZAIQIJIANFAGUANGCENGDEJIEMIANCHU,JINERTIGAOQIJIANFAGUANGCENGJIEMIANCHUDIANZIHEKONGXUEZAIJIEHEDEGAILV,ZENGDAQIJIANDEFAGUANGXIAOLV;DIANZICHUANSHUCENGFUZEJIANGLAIZIYINJIDEDIANZICHUANSHUDAOQIJIANDEFAGUANGCENGZHONG;DIANZIZHURUCENGQIDUIYINJIXIUSHIJIJIANGDIANZICHUANSHUDAODIANZICHUANSHUCENGDEZUOYONG;YINJIZHONGDEDIANZIHUIZAIQIJIANWAIJIAQUDONGDIANYADEQUDONGXIAXIANGQIJIANDEFAGUANGCENGYIDONG,RANHOUZAIFAGUANGCENGYULAIZIYANGJIDEKONGXUEJINXINGZAIJIEHE。

發光原理

OLED器件的發光過程可分為:電子和空穴的注入、電子和空穴的傳輸、電子和空穴的再結合、激子的退激發光。

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