公开(公告)号：US12232417B2

公开(公告)日：2025-02-18

申请号：US16216192

申请日：2018-12-11

Applicant: LG Display Co., Ltd.

Inventor： Dong-Hyeok Lim ,  Jin-Ho Park

IPC: H10K50/16 ,  H10K50/11 ,  H10K85/60 ,  H10K50/15 ,  H10K50/17 ,  H10K50/18 ,  H10K101/40

Abstract: Provided are an organic light emitting device with improved UV lifespan, based on changed configuration of an electron transport layer, and an organic light emitting display including the same.

公开(公告)号：US12082494B2

公开(公告)日：2024-09-03

申请号：US17292128

申请日：2019-12-21

Applicant: LG DISPLAY CO., LTD.

Inventor： In-Bum Song ,  Seung-Hee Yoon ,  Shin-Han Kim ,  So-Young Jang ,  Jin-Ho Park ,  Dong-Hyeok Lim ,  Yoon-Deok Han

IPC: H01L51/50 ,  H10K85/30 ,  H10K85/60 ,  H10K50/13 ,  H10K101/00

CPC classification number: H10K85/626 ,  H10K85/322 ,  H10K85/6574 ,  H10K50/131 ,  H10K2101/90

Abstract: The present disclosure relates to an OLED that includes a first electrode; a second electrode facing the first electrode; and a first emitting material layer including a first host, a second host and a first blue dopant and positioned between the first and second electrodes, wherein the first host is an anthracene derivative, and the second host is a deuterated anthracene derivative.

公开(公告)号：US11882745B2

公开(公告)日：2024-01-23

申请号：US17536964

申请日：2021-11-29

Applicant: LG Display Co., Ltd.

Inventor： Dong-Hyeok Lim ,  Min-Chul Jun

IPC: H10K59/35 ,  H10K71/00 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K50/822

CPC classification number: H10K59/35 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K50/171 ,  H10K50/822 ,  H10K71/00

Abstract: A method for manufacturing a light emitting display device, includes preparing a substrate having an active area and edge areas around the active area, forming a first electrode in each of a plurality of subpixels in the active area, forming a first common layer configured to cover an entirety of the active area and to have a first process margin in the edge areas outside the active area, forming a conductivity improvement layer on the first common layer in the edge areas, forming a light emitting layer in each of the subpixels, forming a second common layer having a large size than a size of the active area, on the light emitting layer, and forming a second electrode having a second process margin in the edge areas to cover at least the first common layer, on the second common layer.

公开(公告)号：US10950680B2

公开(公告)日：2021-03-16

申请号：US16453420

申请日：2019-06-26

Applicant: LG Display Co., Ltd.

Inventor： Dong-Hyeok Lim ,  Song-Yi Jeong ,  Kyu-Il Han ,  Nam-Seok Yoo ,  Yu-Ri Park

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

Abstract: A light-emitting display device includes a substrate having a plurality of subpixels; a first electrode provided in each of the subpixels; a bank defining an emission part in each of the subpixels and having an upper surface that has a larger degree of surface roughness than an upper surface of the first electrode; a first common layer over the subpixels and covering the first electrode and the bank; a light-emitting layer on the first common layer and corresponding to the emission part of each of the subpixels; and a second common layer and a second electrode stacked on the light-emitting layer over the plurality of subpixels.

公开(公告)号：US11222926B2

公开(公告)日：2022-01-11

申请号：US16725829

申请日：2019-12-23

Applicant: LG Display Co., Ltd.

Inventor： Dong-Hyeok Lim ,  Min-Chul Jun

IPC: H01L27/32 ,  H01L51/52 ,  H01L51/50 ,  H01L51/56

Abstract: Disclosed are a light emitting display device and a method for manufacturing the same. The light emitting display device changes a configuration of common layers disposed in edge areas and can thus satisfy structural characteristics of a narrow bezel and prevent light leakage generated around the edge areas.

公开(公告)号：US09385345B2

公开(公告)日：2016-07-05

申请号：US14134119

申请日：2013-12-19

Applicant: LG Display Co., Ltd.

Inventor： Heui-Dong Lee ,  Kwan-Soo Kim ,  Dae-Gwon Song ,  Jin-Ho Park ,  Sung-Ji Yoon ,  Dong-Hyeok Lim

IPC: H01L51/00 ,  H01L51/56 ,  H01L51/50 ,  H01L27/32

CPC classification number: H01L51/56 ,  H01L27/3211 ,  H01L51/506 ,  H01L51/5064

Abstract: Disclosed herein are an organic light emitting display device includes first to third sub-pixels realizing different colors, wherein each of the first to third sub-pixels includes first and second electrodes disposed on a substrate so as to face each other, an emission layer formed between the first and second electrodes, a multi-layered hole transporting layer formed between the first electrode and the emission layer to be in contact with the first electrode and the emission layer, and an electron transporting layer formed between the second electrode and the emission layer, wherein multi-layered hole transporting layer of at least one of the first to third sub-pixels includes an at least two-layered first hole transporting layer formed of a hole host and a p-type dopant having a doping concentration of 1 to 10% and a second hole transporting layer formed of the hole host.

Abstract translation: 本文公开了一种有机发光显示装置，包括实现不同颜色的第一至第三子像素，其中第一至第三子像素中的每一个包括设置在基板上以彼此面对的第一和第二电极，形成的发射层 在第一和第二电极之间，形成在第一电极和发射层之间的与第一电极和发射层接触的多层空穴传输层，以及形成在第二电极和发射层之间的电子传输层 其中，所述第一至第三子像素中的至少一个的多层空穴传输层包括由空穴宿主形成的至少两层的第一空穴传输层和掺杂浓度为1〜10的p型掺杂剂 ％和由孔主体形成的第二空穴传输层。