公开(公告)号：US20210183973A1

公开(公告)日：2021-06-17

申请号：US17119712

申请日：2020-12-11

Applicant: LG Display Co., Ltd.

Inventor： Seong-Hyun KIM ,  Jae-Ki LEE ,  Jeong-Won LEE ,  Chang-Yong GONG

IPC: H01L27/32

Abstract: An organic light emitting display device includes a substrate including a display area and a non-display area, the display area including a plurality of sub-pixels; an overcoat layer disposed on the substrate; first electrodes disposed on the overcoat layer and in the sub-pixels; a first bank disposed in the display area and the non-display area and including first openings, the first openings respectively exposing the first electrodes; a second bank disposed on the first bank and including second openings in the display area, third openings in the non-display area and fourth openings, the second openings exposing the plurality of first electrodes arranged in the display area, the third openings exposing the first openings arranged in the non-display area, and the fourth openings connecting the second openings and the third openings; and an organic light emitting layer disposed in each of the second openings, the third openings and the fourth openings.

公开(公告)号：US20180254310A1

公开(公告)日：2018-09-06

申请号：US15974496

申请日：2018-05-08

Applicant: LG DISPLAY CO., LTD.

Inventor： Hong-Myeong JEON ,  Jae-Ki LEE ,  Hwang-Un SEO ,  A-Ryoung LEE ,  Geum-Young LEE

IPC: H01L27/32 ,  H01L51/56 ,  H01L51/00

CPC classification number: H01L27/3246 ,  H01L27/3258 ,  H01L27/326 ,  H01L27/3262 ,  H01L51/0005 ,  H01L51/56

Abstract: An organic light emitting diode display device includes a first substrate including a display region, wherein a plurality of pixel regions are defined in the display region; a first electrode over the substrate and in each of the plurality of pixel regions; a bank on edges of the first electrode and surrounding each of the plurality of pixel regions, the bank including a lower layer having a hydrophilic property and an upper layer having a hydrophobic property; an organic emitting layer on the first electrode and in each of the plurality of pixel regions surrounded by the bank; and a second electrode on the organic emitting layer and covering an entire surface of the display region.