公开(公告)号：US20140131677A1

公开(公告)日：2014-05-15

申请号：US14024537

申请日：2013-09-11

Applicant: Samsung Display Co., Ltd.

Inventor： Jae-Hwan Oh ,  Won-Kyu Lee ,  Young-Jin Chang ,  Seong-Hyun Jin ,  Jae-Beom Choi

IPC: H01L27/32 ,  H01L51/56

CPC classification number: H01L51/56 ,  H01L27/3262 ,  H01L51/5228 ,  H01L2251/5315

Abstract: An organic light emitting display device includes: a substrate; a thin film transistor (TFT) on the substrate and including an active layer, a gate electrode, a source electrode, and a drain electrode; an organic light emitting device including a pixel electrode that contacts at least one of the source electrode or the drain electrode of the TFT, an interlayer including a light emitting layer, and a counter electrode facing the pixel electrode, the pixel electrode, the interlayer, and the counter electrode being stacked; and a cathode contact part including a first contact layer and a second contact layer, the first contact layer being at a same layer as the active layer and being doped with ion impurities, the second contact layer including a same material as the source electrode and the drain electrode and coupling the first contact layer and the counter electrode to each other.

Abstract translation: 有机发光显示装置包括：基板; 薄膜晶体管（TFT），其包括有源层，栅电极，源电极和漏电极; 具有与TFT的源电极或漏电极中的至少一个接触的像素电极的有机发光器件，包括发光层的中间层和面对像素电极的对电极，像素电极，中间层， 并且所述对电极堆叠; 以及包括第一接触层和第二接触层的阴极接触部分，所述第一接触层与所述有源层处于相同的层并且掺杂有离子杂质，所述第二接触层包括与所述源电极相同的材料， 漏电极，并将第一接触层和对电极彼此耦合。