公开(公告)号：US20180076267A1

公开(公告)日：2018-03-15

申请号：US15700549

申请日：2017-09-11

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hajin SONG ,  Byeongwook YOO ,  Jihwan YOON ,  Jaehoon HWANG

IPC: H01L27/32 ,  G09G3/3225

CPC classification number: H01L27/3211 ,  G09G3/3225 ,  G09G3/3233 ,  G09G2300/0426 ,  G09G2300/0439 ,  H01L27/3246 ,  H01L27/326 ,  H01L51/5096 ,  H01L51/5265 ,  H01L2251/558

Abstract: An OLED display device includes a substrate including red, green, and blue pixel areas, a first electrode at each of the red pixel area, the green pixel area, and the blue pixel area on the substrate, a hole transport layer on the first electrode, a light emission portion on the hole transport layer, the light emission portion including a red light emitting layer at the red pixel area, a green light emitting layer at the green pixel area, and a blue light emitting layer at the blue pixel area, a first charge generation layer and a first resonance auxiliary layer between the hole transport layer and the blue light emitting layer, a second resonance auxiliary layer between the hole transport layer and the red light emitting layer, an electron transport layer on the light emission portion, and a second electrode on the electron transport layer.