发明申请
US20110140113A1 ORGANIC ELECTROLUMINESCENT DISPLAY DEVICE AND METHOD FOR FABRICATING THE SAME
有权
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基本信息:
- 专利标题: ORGANIC ELECTROLUMINESCENT DISPLAY DEVICE AND METHOD FOR FABRICATING THE SAME
- 专利标题(中):有机电致发光显示装置及其制造方法
- 申请号:US12887992 申请日:2010-09-22
- 公开(公告)号:US20110140113A1 公开(公告)日:2011-06-16
- 发明人: Dong-Sik Park
- 申请人: Dong-Sik Park
- 优先权: KR10-2009-0123982 20091214
- 主分类号: H01L33/26
- IPC分类号: H01L33/26 ; H01L21/28
摘要:
An organic electroluminescent display and a method for fabricating the same are disclosed. An organic electroluminescent display device includes at least one switching transistor and driving transistor formed on a array substrate, wherein the array substrate includes a gate pad and a date pad formed thereon; a passivation layer having a plurality of a first contact holes to expose a portion of a drain electrode of the driving transistor, a gate pad bottom electrode of the gate pad and a date pad bottom electrode of the data pad respectively; a contact electrode, a gate pad top electrode of the gate pad and a data pad top electrode of the data pad formed on the passivation layer, the contact electrode, a top gate pad electrode and a top data pad electrode electrically connected to the exposed portion of the drain electrode of the driving transistor, the gate pad bottom electrode and the date pad bottom electrode respectively, a planarization layer formed on the passivation layer, the planarization layer including a plurality of a second contact holes to expose a portion of the contact electrode, the gate pad top electrode and the data pad top electrode respectively; a light-emitting cell including a cathode electrode, an anode electrode and an organic layer interposed therebetween formed on the planarization layer; wherein the cathode electrode is electrically connected to the contact electrode via one of the contact hole; wherein the contact electrode has acid-resistance with respect to an etchant used in patterning the cathode electrode.
摘要(中):
公开了一种有机电致发光显示器及其制造方法。 一种有机电致发光显示装置,包括形成在阵列基板上的至少一个开关晶体管和驱动晶体管,其中所述阵列基板包括形成在其上的栅极焊盘和日期焊盘; 钝化层,具有多个第一接触孔,以暴露驱动晶体管的漏电极的一部分,栅极焊盘的栅极焊盘底部电极和数据焊盘的日期焊盘底部电极; 接触电极,栅极焊盘的栅极焊盘顶部电极和形成在钝化层上的数据焊盘的数据焊盘顶部电极,接触电极,顶部栅极焊盘电极和电连接到暴露部分的顶部数据焊盘电极 驱动晶体管的漏电极,栅极焊盘底部电极和日期焊盘底部电极,形成在钝化层上的平坦化层,平坦化层包括多个第二接触孔,以暴露接触电极的一部分 ,栅极顶部电极和数据焊盘顶部电极; 包括形成在平坦化层上的阴极电极,阳极电极和介于其间的有机层的发光单元; 其中所述阴极电极经由所述接触孔中的一个电连接到所述接触电极; 其中所述接触电极相对于用于图案化所述阴极电极的蚀刻剂具有耐酸性。