公开(公告)号：US11258019B2

公开(公告)日：2022-02-22

申请号：US16216764

申请日：2018-12-11

Applicant: LG Display Co., Ltd.

Inventor： Jicheol Shin ,  Seonkeun Yoo ,  Seunghee Yoon

IPC: H01L51/00 ,  C07D471/04 ,  H01L27/32 ,  H01L51/50 ,  H01L51/52

Abstract: Disclosed herein is an organic compound, an organic light emitting diode including the same, and an organic light emitting display. The organic compound according to the present disclosure is a phenanthroline compound represented by the following Formula 1, which is used as an electron transport material of an organic light emitting diode. The phenanthroline compound can increase lifespan of the organic light emitting diode while reducing driving voltage of the organic light emitting diode.

公开(公告)号：US11997919B2

公开(公告)日：2024-05-28

申请号：US17133856

申请日：2020-12-24

Applicant: LG DISPLAY CO., LTD. ,  LG CHEM, LTD.

Inventor： Jicheol Shin ,  Seonkeun Yoo ,  Jeongdae Seo ,  Shinhan Kim ,  JooYong Yoon ,  Jun Yun ,  DongHeon Kim ,  YongHan Lee ,  SungJae Lee

IPC: H10K50/17 ,  H10K85/60

CPC classification number: H10K85/615 ,  H10K85/633 ,  H10K50/17

Abstract: Provided are an organic electric element, a display panel and a display device including the organic electric element which include a charge generating layer including a first layer comprising a first compound and a second compound and a second layer comprising a third compound so that they can have excellent efficiency or lifespan.

公开(公告)号：US11716865B2

公开(公告)日：2023-08-01

申请号：US17138226

申请日：2020-12-30

Applicant: LG Display Co., Ltd. ,  LG Chem, Ltd.

Inventor： Jicheol Shin ,  Seonkeun Yoo ,  Jeongdae Seo ,  Shinhan Kim ,  JooYong Yoon ,  Jun Yun ,  DongHeon Kim ,  YongHan Lee ,  SungJae Lee

IPC: H10K50/11 ,  H10K50/12 ,  H10K50/17 ,  H10K101/40

CPC classification number: H10K50/11 ,  H10K50/12 ,  H10K50/17 ,  H10K2101/40

Abstract: An organic electric element, a display panel and a display device including the organic electric element are provided. The organic electric element includes a first electrode; a second electrode; and an organic layer positioned between the first electrode and the second electrode. The organic layer includes a first layer having a first compound and a second compound, and a emitting layer having a third compound. A specific general formula related to energy levels of the component compounds is satisfied so that they may have excellent efficiency or lifespan.

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.