公开(公告)号：US12137611B2

公开(公告)日：2024-11-05

申请号：US16702269

申请日：2019-12-03

Applicant: LG Display Co., Ltd. ,  DONGJIN SEMICHEM CO., LTD.

Inventor： Kyung-Jin Yoon ,  Yu-Jin Bae ,  Bo-Min Seo ,  Jeong-Eun Baek ,  Joong-Hwan Yang ,  Chun-Ki Kim ,  Jung-Hyun Yoon ,  Hyung-Won Cho ,  Kyu-Soon Shin ,  Jeong-A Seo ,  Hyung-Jin Lee ,  Young-Sam Jin ,  Dong-Hyun Lee

IPC: H01L51/50 ,  C07D491/20 ,  C07D519/00 ,  C09K11/06 ,  H10K85/60 ,  H10K50/11 ,  H10K50/13 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K50/844 ,  H10K101/10 ,  H10K101/30 ,  H10K101/40

Abstract: The present disclosure provides a compound of following formula and an organic light emitting device and an organic light emitting display device including the compound. The compound of the present disclosure serves as a host or a dopant in an emitting material layer.

公开(公告)号：US11943946B2

公开(公告)日：2024-03-26

申请号：US17102049

申请日：2020-11-23

Applicant: LG Display Co., Ltd.

Inventor： Wook Song ,  Eun-Jung Park ,  Chun-Ki Kim ,  Se-Ung Kim

IPC: H10K50/13 ,  H10K50/11 ,  H10K50/15 ,  H10K50/19 ,  H10K59/12 ,  H10K59/38 ,  H10K85/30 ,  H10K85/60 ,  H10K101/00 ,  H10K101/10 ,  H10K101/30 ,  H10K101/40

CPC classification number: H10K50/131 ,  H10K50/11 ,  H10K50/15 ,  H10K50/19 ,  H10K59/38 ,  H10K59/12 ,  H10K85/342 ,  H10K85/654 ,  H10K2101/10 ,  H10K2101/27 ,  H10K2101/30 ,  H10K2101/40 ,  H10K2101/90

Abstract: Disclosed are a white organic light emitting element, which may uniformize the color coordinates of white regardless of a change in current density by changing the configuration of different kinds of light emitting layers contacting each other, and a display device using the same.

公开(公告)号：US11505557B2

公开(公告)日：2022-11-22

申请号：US16712291

申请日：2019-12-12

Applicant: LG Display Co., Ltd. ,  Korea University Research and Business Foundation

Inventor： Dae-Wi Yoon ,  Bo-Min Seo ,  Chun-Ki Kim ,  Dong-Hoon Choi ,  Min-Ju Cho ,  Su-Na Choi ,  Mallesham Godumala

IPC: C07D491/052 ,  C07D519/00 ,  H01L51/00 ,  H01L51/50

Abstract: Discussed is an organic compound of Formula 1 and an organic light emitting diode and an OLED device including the organic compound. In the organic compound, Ar1 is a heteroaryl group comprising a nitrogen atom, and Ar2 is a C6 to C30 aryl group, and R is a C1 to C10 alkyl group. The organic compound may be included in an emitting material layer of the organic light emitting diode as a host such that an emitting efficiency and a lifespan of the organic light emitting diode and the OLED device are improved.

公开(公告)号：US10651396B2

公开(公告)日：2020-05-12

申请号：US15794632

申请日：2017-10-26

Applicant: LG Display Co., Ltd.

Inventor： In-Bum Song ,  Chun-Ki Kim

IPC: H01L51/50 ,  H01L51/00 ,  C07D403/10 ,  C07D487/04 ,  C07D491/048 ,  C07D495/04 ,  H01L27/32 ,  H01L51/56

Abstract: The present invention provides an organic compound for an organic light emitting diode. An example of the organic compound is represented by:

公开(公告)号：US09608210B2

公开(公告)日：2017-03-28

申请号：US15018560

申请日：2016-02-08

Applicant: LG DISPLAY CO., LTD.

Inventor： In-Bum Song ,  Gee-Sung Chae ,  Joong-Hwan Yang ,  Suk-Young Bae ,  Chun-Ki Kim

IPC: H01L51/54 ,  C09K11/06 ,  H01L51/00 ,  H05B33/14 ,  C09B57/00 ,  C09B69/00 ,  H01L51/50

CPC classification number: H01L51/0072 ,  C09B57/00 ,  C09B57/008 ,  C09B69/008 ,  C09K11/06 ,  C09K2211/1029 ,  C09K2211/1044 ,  C09K2211/1077 ,  C09K2211/1081 ,  H01L51/005 ,  H01L51/0052 ,  H01L51/006 ,  H01L51/0061 ,  H01L51/0073 ,  H01L51/0074 ,  H01L51/0094 ,  H01L51/5004 ,  H01L51/5012 ,  H01L51/5056 ,  H01L51/5088 ,  H01L2251/552 ,  H05B33/14

Abstract: Discussed is an organic electroluminescent device including a first charge carrying layer being disposed adjacent to a first electrode; and a second charge carrying layer disposed adjacent to a second electrode, wherein the first charge carrying layer includes an emitting part, a hole injection part and a hole transporting part between the hole injection part and the emitting part, wherein at least one of the hole injection part, the hole transporting part and the emitting part includes a host material having an organic compound of Formula: wherein R is substituted or non-substituted C1 to C12 alkyl, and A and B are symmetrically or asymmetrically positioned in 2-position or 7-position of the fluorene core, and wherein each of A and B is independently selected from substituted or non-substituted aromatic group or substituted or non-substituted heterocyclic group.