公开(公告)号：US09893124B2

公开(公告)日：2018-02-13

申请号：US14510697

申请日：2014-10-09

Applicant: Samsung Display Co., Ltd.

Inventor： Ha Jin Song ,  Dal Ho Kim ,  Heun Seung Lee

IPC: H01L29/08 ,  H01L35/24 ,  H01L51/00 ,  H01L27/32 ,  H01L51/50 ,  H01L51/52

CPC classification number: H01L27/3211 ,  H01L27/3216 ,  H01L51/0058 ,  H01L51/006 ,  H01L51/0065 ,  H01L51/0072 ,  H01L51/0085 ,  H01L51/5004 ,  H01L51/5008 ,  H01L51/5012 ,  H01L51/5016 ,  H01L51/5056 ,  H01L51/5072 ,  H01L51/5092 ,  H01L51/5096 ,  H01L51/5265 ,  H01L2251/5376 ,  H01L2251/552

Abstract: An organic light-emitting display including a substrate having a first pixel area to emit a light of a first color and a second pixel area to emit a light of a second color, a first anode disposed on the first pixel area and a second anode disposed on the second pixel area, a first emitting layer disposed on the first anode and a second emitting layer disposed on the second anode, the first emitting layer including a fluorescent light-emitting material and the second emitting layer including a first phosphorescent light-emitting material, a first buffer layer disposed on the first emitting layer and a second buffer layer disposed on the second emitting layer, the first buffer layer and the second buffer layer being formed of different materials, and a first cathode disposed on the first buffer layer and a second cathode disposed on the second buffer layer.

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：US11985846B2

公开(公告)日：2024-05-14

申请号：US17226554

申请日：2021-04-09

Applicant: Samsung Display Co., Ltd.

Inventor： Dal Ho Kim ,  Hee Seong Jeong ,  Won Ju Kwon ,  Sun Hwa Kim ,  Hyang Ki Sung ,  Na Ri Heo ,  Sang Min Hong

IPC: H10K50/81 ,  H10K50/84 ,  H10K50/844 ,  H10K50/85 ,  H10K50/858 ,  H10K59/12 ,  H10K59/80 ,  H10K50/816 ,  H10K50/818 ,  H10K59/121 ,  H10K59/122 ,  H10K59/131 ,  H10K77/10 ,  H10K102/00

CPC classification number: H10K50/858 ,  H10K50/844 ,  G09G2300/0408 ,  H10K50/816 ,  H10K50/818 ,  H10K50/8445 ,  H10K59/12 ,  H10K59/1216 ,  H10K59/122 ,  H10K59/131 ,  H10K59/80516 ,  H10K59/80517 ,  H10K77/111 ,  H10K2102/311 ,  H10K2102/351

Abstract: A display device includes: a substrate; a display element on the substrate; a capping layer on the display element; and a thin film encapsulation layer on the capping layer, wherein the capping layer includes: a first capping layer on the display element; a second capping layer on the first capping layer, the second capping layer having a refractive index greater than that of the first capping layer; and a third capping layer on the second capping layer, the third capping layer having a refractive index smaller than that of the second capping layer, wherein the second capping layer has a thickness of 30 nanometers (nm) to 60 nm.

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.