公开(公告)号：US11107868B2

公开(公告)日：2021-08-31

申请号：US16716368

申请日：2019-12-16

Applicant: LG Display Co., Ltd.

Inventor： Hongmyeong Jeon ,  Kanghyun Kim ,  Taeyong Kim

IPC: H01L27/32

Abstract: An organic light emitting display device comprises a substrate on which a plurality of sub-pixels is arranged in a column direction and a row direction; a plurality of first electrodes allocated to the plurality of sub-pixels; a first bank disposed on the first electrodes and having a plurality of first openings that exposes the plurality of first electrodes; and a second bank disposed on the first bank and having a plurality of second openings that exposes the plurality of first electrodes and a part of the first bank, wherein the plurality of first electrodes include a plurality of (1-1)-th electrodes arranged in a (3n-2)-th column, a plurality of (1-2)-th electrodes arranged in a (3n-1)-th column and a plurality of (1-3)-th electrodes arranged in a 3n-th column, where n is a natural number equal to or greater than 1, wherein the first bank is disposed between the plurality of first electrodes neighboring in the column direction and disposed between the (1-3)-th electrodes and the (1-1)-th electrodes neighboring in the row direction, wherein the second bank is disposed between the plurality of (1-1)-th electrodes arranged in the (3n-2)-th column and the plurality of (1-2)-th electrodes neighboring the plurality of (1-1)-th electrodes and arranged in the (3n-1)-th column and disposed between the plurality of (1-2)-th electrodes arranged in the (3n-1)-th column and the plurality of (1-3)-th electrodes neighboring the plurality of (1-2)-th electrodes and arranged in the 3n-th column, and wherein the second bank is not disposed between the plurality of (1-3)-th electrodes arranged in the 3n-th column and the plurality of (1-1)-th electrodes neighboring the plurality of (1-3)-th electrodes in the row direction and arranged in the (3n-2)-th column.