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.