公开(公告)号：US20210384444A1

公开(公告)日：2021-12-09

申请号：US17329602

申请日：2021-05-25

Applicant: LG DISPLAY CO., LTD.

Inventor： Seung-Hee Yoon ,  Sang-Beom Kim ,  In-Bum Song ,  Shiren Kazushi ,  Sasada Yasuyuki

IPC: H01L51/00

Abstract: The present disclosure relates to an organic light emitting device that includes a substrate; and an organic light emitting diode positioned on the substrate and including a first electrode; a second electrode facing the first electrode; a first emitting material layer including a first host of an anthracene derivative and a first dopant of a boron derivative and positioned between the first and second electrodes; and an electron blocking layer including an electron blocking material of a heteroaryl-substituted amine derivative and positioned between the first electrode and the first emitting material layer, wherein an anthracene core of the first host is deuterated.

公开(公告)号：US11690291B2

公开(公告)日：2023-06-27

申请号：US17101701

申请日：2020-11-23

Applicant: LG DISPLAY CO., LTD.

Inventor： Seon-Keun Yoo ,  Sung-Hoon Joo ,  Seung-Hee Yoon ,  Ji-Cheol Shin

IPC: H01L51/00 ,  C07D471/04 ,  H10K85/60 ,  H05B45/60 ,  H10K50/16 ,  H10K50/19 ,  H10K50/81 ,  H10K50/82 ,  H10K50/13 ,  H10K59/12

CPC classification number: H10K85/6572 ,  C07D471/04 ,  H10K85/615 ,  H10K85/622 ,  H10K85/626 ,  H10K85/654 ,  H05B45/60 ,  H10K50/131 ,  H10K50/16 ,  H10K50/19 ,  H10K50/81 ,  H10K50/82 ,  H10K59/12

Abstract: Embodiments of the present invention provide an organic light emitting diode and an organic light emitting display device including the organic compound. The organic compound is capable of reducing a driving voltage of an organic light emitting diode and improves a current efficiency and a lifetime of the organic light emitting diode and the organic light emitting display device including the same.

公开(公告)号：US11155543B2

公开(公告)日：2021-10-26

申请号：US15799421

申请日：2017-10-31

Applicant: LG Display Co., Ltd.

Inventor： Sung-Hoon Joo ,  Seon-Keun Yoo ,  Seung-Hee Yoon ,  Ji-Cheol Shin

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

Abstract: An embodiment of the present invention provides an organic compound represented by: and an organic light emitting diode and an organic light emitting display device using the organic compound. The organic compound of the present invention includes a phenanthroline core, which has a nitrogen atom of a relatively electron rich sp2 hybrid orbital, and a phosphine oxide moiety, which has an excellent electron transporting property and an excellent thermal stability. The electron transporting property of the organic compound of the present invention is improved based on the chemical structure of the organic compound. Accordingly, when the organic compound is used for the organic light emitting diode and the organic light emitting display device, the driving voltage is reduced, and the lifetime and the emitting efficiency are improved.

公开(公告)号：US10468605B2

公开(公告)日：2019-11-05

申请号：US15717414

申请日：2017-09-27

Applicant: LG DISPLAY CO., LTD.

Inventor： Seung-Hee Yoon ,  Sung-Hoon Joo ,  Seon-Keun Yoo ,  Ji-Cheol Shin

IPC: H01L51/00 ,  H01L27/32 ,  C07D401/14 ,  C07D405/14 ,  C07D409/14 ,  C07F7/08 ,  H01L51/50 ,  H01L51/52

Abstract: The present invention provides an organic compound represented by: an organic light emitting diode and an organic light emitting display device using the organic compound. The organic compound of the present invention is capable of reducing a driving voltage of an organic light emitting diode and improving an emitting efficiency and a lifetime of the organic light emitting diode and the organic light emitting display device including the organic compound.

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：US11856846B2

公开(公告)日：2023-12-26

申请号：US17355801

申请日：2021-06-23

Applicant: LG DISPLAY CO., LTD.

Inventor： Seung-Hee Yoon ,  Sung-Hoon Joo ,  Seon-Keun Yoo ,  Ji-Cheol Shin

IPC: H10K85/60 ,  C07D401/14 ,  C07D405/14 ,  C07D409/14 ,  C07F7/08 ,  H10K59/12 ,  H10K59/38 ,  H10K85/40 ,  H10K50/13 ,  H10K50/16 ,  H10K50/19 ,  H10K50/17

CPC classification number: H10K85/654 ,  C07D401/14 ,  C07D405/14 ,  C07D409/14 ,  C07F7/0816 ,  H10K59/12 ,  H10K59/38 ,  H10K85/40 ,  H10K85/615 ,  H10K85/622 ,  H10K85/6572 ,  H10K85/6574 ,  H10K85/6576 ,  H10K50/13 ,  H10K50/16 ,  H10K50/171 ,  H10K50/19

Abstract: An example of the present invention provides an organic compound represented by:




an organic light emitting diode and an organic light emitting display device using the organic compound. The organic compound of the present invention is capable of reducing a driving voltage of an organic light emitting diode and improving an emitting efficiency and a lifetime of the organic light emitting diode and the organic light emitting display device including the organic compound.

公开(公告)号：US11081648B2

公开(公告)日：2021-08-03

申请号：US16583990

申请日：2019-09-26

Applicant: LG DISPLAY CO., LTD.

Inventor： Seung-Hee Yoon ,  Sung-Hoon Joo ,  Seon-Keun Yoo ,  Ji-Cheol Shin

IPC: H01L51/00 ,  H01L27/32 ,  C07D401/14 ,  C07D405/14 ,  C07D409/14 ,  C07F7/08 ,  H01L51/50 ,  H01L51/52

Abstract: The present invention provides an organic compound represented by: an organic light emitting diode and an organic light emitting display device using the organic compound. The organic compound of the present invention is capable of reducing a driving voltage of an organic light emitting diode and improving an emitting efficiency and a lifetime of the organic light emitting diode and the organic light emitting display device including the organic compound.

公开(公告)号：US10937984B2

公开(公告)日：2021-03-02

申请号：US15803227

申请日：2017-11-03

Applicant: LG DISPLAY CO., LTD.

Inventor： Ji-Cheol Shin ,  Sung-Hoon Joo ,  Seon-Keun Yoo ,  Seung-Hee Yoon

IPC: H01L51/50 ,  H01L51/00 ,  H05B45/00 ,  C07D401/14 ,  H01L27/32 ,  C07D471/04 ,  C09K11/06

Abstract: The present disclosure relates to an organic compound, a light emitting diode and an organic light emitting diode display device using the same. The organic compound is represented by a following chemical formula 1.

公开(公告)号：US10862044B2

公开(公告)日：2020-12-08

申请号：US15606679

申请日：2017-05-26

Applicant: LG DISPLAY CO., LTD.

Inventor： Ki-Dong Koo ,  Jung-Keun Kim ,  Do-Han Kim ,  Jeong-Dae Seo ,  Seon-Keun Yoo ,  Seung-Hee Yoon ,  Ji-Cheol Shin

IPC: H01L51/50 ,  H01L51/54 ,  H01L51/00 ,  C07C211/61 ,  C07D495/10 ,  C07D491/107 ,  C07D471/10 ,  C07D333/78 ,  C07D307/94 ,  C07D491/20 ,  C07F7/08 ,  C07D209/96 ,  C07D405/14 ,  C07D491/22 ,  C07D521/00 ,  H01L27/32

Abstract: The present disclosure relates to an organic compound, a light emitting diode and an organic light emitting diode display device using the same. The organic compound is represented by a following chemical formula 1. This organic compound has the advantages in the thermal stability, the emission property, the color purity, the hole transport property and the hole movement property, and thus the lifetime, the emission efficiency and the emission property of the LED using the same are improved.