公开(公告)号：US10790337B2

公开(公告)日：2020-09-29

申请号：US16288002

申请日：2019-02-27

Applicant: Samsung Display Co., Ltd.

Inventor： Hee Seong Jeong ,  Won Ju Kwon ,  Dal Ho Kim ,  Gi-Na Yoo ,  Dong Jin Lee

IPC: H01L27/32 ,  H01L51/50 ,  H01L51/52

Abstract: An OLED display including first, second, and third color pixels each including a first electrode, an organic emission layer, a second electrode, and a capping layer disposed on the disposed on the substrate, in which the first color pixel is configured to emit green light, and the second and third color pixels are each configured to emit a color of light other than green, the organic emission layer of the first color pixel includes a first emission layer and a second emission layer each being configured to emit light, the organic emission layer of the second color pixel or in the third color pixel includes a third emission layer configured to emit light, the second emission layer and the third emission layer include both a host and a dopant, and the first emission layer includes the host, and does not include any dopants therein.

公开(公告)号：US11380734B2

公开(公告)日：2022-07-05

申请号：US17033873

申请日：2020-09-27

Applicant: Samsung Display Co., Ltd.

Inventor： Hee Seong Jeong ,  Won Ju Kwon ,  Dal Ho Kim ,  Gi-Na Yoo ,  Dong Jin Lee

IPC: H01L27/32 ,  H01L51/50 ,  H01L51/52

Abstract: An OLED display including first, second, and third color pixels on a substrate, each including a first electrode, an organic emission layer, a second electrode, and a capping layer, in which the first color pixel emits green light, and each of the second and third color pixels emits a color of light other than green, the organic emission layer of the first color pixel includes first and second emission layers that emit light, the organic emission layer of the second or third color pixel includes a third emission layer that emit light, the second and third emission layers include both a host and a dopant, the first emission layer includes the host, but not any dopants therein, and the second emission layer is disposed on the first electrode, and the first emission layer is disposed on the second emission layer.