公开(公告)号：US20210202846A1

公开(公告)日：2021-07-01

申请号：US17136653

申请日：2020-12-29

Applicant: LG DISPLAY CO., LTD. ,  SOLUS ADVANCED MATERIALS CO., LTD.

Inventor： Seonkeun Yoo ,  HeeJun Park ,  Soyoung Jang ,  JiHo Baek ,  Jeongdae Seo ,  SunKap Kwon ,  Minchul Jun ,  HyunChul Choi ,  Young Mo Kim ,  Jae Yi Sim

IPC: H01L51/00

Abstract: Provided are an organic electric element, a display panel and a display device having high efficiency or long life by including layers having excellent hole transport ability and carrier resistance.

公开(公告)号：US11744145B2

公开(公告)日：2023-08-29

申请号：US16674966

申请日：2019-11-05

Applicant: LG Display Co., Ltd. ,  MATERIAL SCIENCE CO., LTD.

Inventor： Inbum Song ,  Seunghee Yoon ,  Heejun Park ,  Seonkeun Yoo ,  Soyoung Jang ,  Sunghoon Kim ,  Seong-Min Park ,  Tae Wan Lee ,  Sunjae Kim ,  Dong Hun Lee ,  Jeonghoe Heo

IPC: H01L51/00 ,  H10K85/60 ,  H10K50/15 ,  H10K50/16 ,  H10K50/81 ,  H10K50/82 ,  H10K50/17

CPC classification number: H10K85/624 ,  H10K85/633 ,  H10K85/6572 ,  H10K85/6574 ,  H10K50/15 ,  H10K50/16 ,  H10K50/171 ,  H10K50/81 ,  H10K50/82

Abstract: Disclosed is an organic electroluminescent device with lowered driving voltage, and enhanced efficiency and lifetime.

公开(公告)号：US11895911B2

公开(公告)日：2024-02-06

申请号：US17978065

申请日：2022-10-31

Applicant: LG Display Co., Ltd.

Inventor： Heejun Park ,  Seonkeun Yoo ,  Soyoung Jang ,  Jicheol Shin ,  Sangbeom Kim ,  Sunghoon Kim ,  Tae Wan Lee ,  Dong Hun Lee ,  Jeonghoe Heo

IPC: H10K85/60 ,  C07D333/76 ,  H01L27/12 ,  H01L29/786 ,  H10K50/11 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K50/844 ,  H10K59/12 ,  H10K71/00 ,  H10K71/16 ,  H10K102/00

CPC classification number: H10K85/636 ,  C07D333/76 ,  H10K85/633 ,  H01L27/1255 ,  H01L29/7869 ,  H10K50/11 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K50/171 ,  H10K50/844 ,  H10K59/12 ,  H10K71/00 ,  H10K71/164 ,  H10K85/624 ,  H10K85/6576 ,  H10K2102/351

Abstract: The present disclosure provides an organic light-emitting device comprising a novel compound. When the novel compound is applied as a hole transport material to an organic light emitting device, the novel compound allows the device to have improved drive voltage, efficiency and lifespan characteristics.

公开(公告)号：US11332474B2

公开(公告)日：2022-05-17

申请号：US16530234

申请日：2019-08-02

Applicant: LG Display Co., Ltd.

Inventor： Heejun Park ,  Seonkeun Yoo ,  Sangbeom Kim ,  Soyoung Jang ,  Jicheol Shin

IPC: H01L51/00 ,  C07D493/04 ,  C07D497/04 ,  C07D495/04 ,  H01L51/50

Abstract: The present invention provides a novel compound of an amine derivative including a spiro compound. The novel compound has excellent hole transport characteristics. Thus, when the novel compound is applied to a hole transport layer, an auxiliary hole transport layer and an electron blocking layer of an organic light-emitting device, the device realizes low driving voltage, high efficiency, high thermal stability and long life-span. Further, when the novel compound is applied as a blue light-emitting material, the device realizes a low driving voltage and high efficiency.

公开(公告)号：US11844270B2

公开(公告)日：2023-12-12

申请号：US16850348

申请日：2020-04-16

Applicant: LG DISPLAY CO., LTD.

Inventor： Heejun Park ,  Jeongdae Seo ,  Seonkeun Yoo ,  Soyoung Jang ,  Sunghoon Kim ,  Sang-Hoon Hong ,  Seong-Min Park ,  Tae Wan Lee ,  Sunjae Kim ,  Dong Hun Lee ,  Jeonghoe Heo ,  Gwangyong Kim

IPC: H01L51/00 ,  H01L51/52 ,  H01L27/32 ,  H01L29/786 ,  H01L51/05 ,  H01L51/50 ,  H10K85/60 ,  C07C211/54 ,  H10K50/15 ,  H10K50/844 ,  H10K59/123 ,  H10K71/00 ,  H10K71/16 ,  H10K102/00

CPC classification number: H10K85/633 ,  C07C211/54 ,  C07C2603/18 ,  C07C2603/74 ,  H01L29/7869 ,  H10K50/156 ,  H10K50/844 ,  H10K59/123 ,  H10K71/00 ,  H10K71/164 ,  H10K85/626 ,  H10K2102/351

Abstract: Disclosed is a novel compound and an organic light-emitting device. The novel compound is represented by the following Chemical Formula 1, and when the novel compound is used as a material for a hole transport layer of an organic light emitting device, the novel compound allows the device to have lowered drive voltage, and improved efficiency and lifespan characteristics.

公开(公告)号：US11696497B2

公开(公告)日：2023-07-04

申请号：US16724057

申请日：2019-12-20

Applicant: LG Display Co., Ltd.

Inventor： Heejun Park ,  Seonkeun Yoo ,  Soyoung Jang ,  Jicheol Shin ,  Sangbeom Kim ,  Sunghoon Kim ,  Tae Wan Lee ,  Seong-Min Park

IPC: H01L51/50 ,  H10K85/60 ,  C07D333/76 ,  C07D409/04 ,  C07D307/77 ,  H10K50/18 ,  H10K50/15 ,  H10K50/844 ,  H10K59/123

CPC classification number: H10K85/636 ,  C07D307/77 ,  C07D333/76 ,  C07D409/04 ,  H10K85/633 ,  H10K50/156 ,  H10K50/18 ,  H10K50/844 ,  H10K59/123 ,  H10K85/615 ,  H10K85/6574 ,  H10K85/6576

Abstract: The present disclosure provides a novel compound and an organic light-emitting device comprising the same. When the novel compound is applied as a hole transport material to an organic light emitting device, the novel compound allows the device to have improved drive voltage, efficiency and lifespan characteristics.

公开(公告)号：US20230172060A1

公开(公告)日：2023-06-01

申请号：US17978065

申请日：2022-10-31

Applicant: LG Display Co., Ltd.

Inventor： Heejun Park ,  Seonkeun Yoo ,  Soyoung Jang ,  Jicheol Shin ,  Sangbeom Kim ,  Sunghoon Kim ,  Tae Wan Lee ,  Dong Hun Lee ,  Jeonghoe Heo

IPC: H01L51/00 ,  C07D333/76

CPC classification number: H01L51/0061 ,  C07D333/76 ,  H01L51/006 ,  H01L51/001 ,  H01L51/0056 ,  H01L51/0074 ,  H01L51/5056

Abstract: The present disclosure provides an organic light-emitting device comprising a novel compound. When the novel compound is applied as a hole transport material to an organic light emitting device, the novel compound allows the device to have improved drive voltage, efficiency and lifespan characteristics.

公开(公告)号：US11515480B2

公开(公告)日：2022-11-29

申请号：US16721777

申请日：2019-12-19

Applicant: LG Display Co., Ltd.

Inventor： Heejun Park ,  Seonkeun Yoo ,  Soyoung Jang ,  Jicheol Shin ,  Sangbeom Kim ,  Sunghoon Kim ,  Tae Wan Lee ,  Dong Hun Lee ,  Jeonghoe Heo

IPC: H01L51/50 ,  H01L51/00 ,  C07D333/76 ,  H01L51/52 ,  H01L27/32 ,  H01L27/12 ,  H01L29/786 ,  H01L51/56

Abstract: The present disclosure provides an organic light-emitting device comprising a novel compound. When the novel compound is applied as a hole transport material to an organic light emitting device, the novel compound allows the device to have improved drive voltage, efficiency and lifespan characteristics.

公开(公告)号：US11302875B2

公开(公告)日：2022-04-12

申请号：US16563025

申请日：2019-09-06

Applicant: LG DISPLAY CO., LTD.

Inventor： Jicheol Shin ,  Seonkeun Yoo ,  Sangbeom Kim ,  Soyoung Jang ,  Heejun Park

IPC: H01L51/50 ,  H01L51/00 ,  H01L51/52

Abstract: Disclosed is an organic electroluminescence device including an anode, a cathode, at least two light-emission sub-stacks and a charge generation layer. The charge generation layer is located between the light-emission sub-stacks, and the charge generation layer includes a stack of a n-type charge generation layer and a p-type charge generation layer. The n-type charge generation layer includes a Compound of Formula 1 and a Compound of Formula 2. The present organic electroluminescence device improves injection and transport properties of electrons to lower driving voltage of the device, improves efficiency and lifespan of the device, and has excellent thermal/electrical stability for long driving duration of the device.