公开(公告)号：US11522139B2

公开(公告)日：2022-12-06

申请号：US16229890

申请日：2018-12-21

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

Inventor： Seunghee Yoon ,  Jungkeun Kim ,  Jicheol Shin ,  Jeongdae Seo ,  Seonkeun Yoo ,  Joon Yoon ,  Wan Pyo Hong ,  Joo Yong Yoon

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

Abstract: Disclosed herein are an organic light emitting diode including: at least two light emitting stacks interposed between an anode and a cathode and including at least one light emitting material layer; and a charge generation layer interposed between the light emitting stacks. The charge generation layer includes an N-type charge generation layer and a P-type charge generation layer, wherein the N-type charge generation layer and the P-type charge generation layer are stacked in such direction for the N-type charge generation layer to face the anode and for the P-type charge generation layer to face the cathode. The N-type charge generation layer includes a compound represented by Formula 1. The P-type charge generation layer includes any one selected from the group consisting of a compound represented by Formula 2, a compound represented by Formula 3, and a combination thereof. The material for N-type charge generation layers and the material for P-type charge generation layers of the disclosure can secure low driving voltage and long lifespan of an organic light emitting diode when used in the organic light emitting diode. Compounds of Formulae 1, 2, and 3 are as defined herein.

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：US20190181354A1

公开(公告)日：2019-06-13

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

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：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：US20230217809A1

公开(公告)日：2023-07-06

申请号：US17969372

申请日：2022-10-19

Applicant: LG DISPLAY CO., LTD.

Inventor： Seongsu Jeon ,  Jicheol Shin ,  Seonkeun Yoo ,  SangBeom Kim

IPC: H01L51/00 ,  C07C255/52 ,  C09K11/06

CPC classification number: H01L51/0052 ,  C07C255/52 ,  C09K11/06 ,  H01L51/5278

Abstract: An organic electronic element, a display panel and a display device can each include a charge generating layer and a hole injection layer including a p-type dopant with low absorption rate for a blue wavelength band so that they can have excellent light extraction efficiency or luminous efficiency.

公开(公告)号：US10290814B2

公开(公告)日：2019-05-14

申请号：US14673078

申请日：2015-03-30

Applicant: LG DISPLAY CO., LTD.

Inventor： Seonkeun Yoo ,  Sunghoon Joo ,  Jungkeun Kim ,  Dohan Kim ,  Jeongdae Seo ,  Hyoseok Kim ,  Hyeseung Kang ,  Jungsoo Park ,  Min Yun

IPC: H01L51/00 ,  C09K11/02 ,  H01L51/50 ,  H01L51/52

Abstract: Disclosed is an organic light emitting diode. The organic light-emitting diode comprises at least one light-emitting part between an anode and a cathode, wherein the at least one light-emitting part has at least one organic layer and an emissive layer. The at least one organic layer is composed of a compound having one or more heteroatoms, and the compound has an energy level due to the heteroatoms and conductive characteristics due to the energy level.

公开(公告)号：US09893298B2

公开(公告)日：2018-02-13

申请号：US14955259

申请日：2015-12-01

Applicant: LG Display Co., Ltd.

Inventor： Jeongdae Seo ,  ChangWook Han ,  SungHoon Joo ,  Hyoseok Kim ,  Hyeseung Kang ,  Seonkeun Yoo ,  JungSoo Park

IPC: C09K11/02 ,  H01L51/00 ,  H01L27/32 ,  H01L51/50 ,  C07D401/10 ,  H01L51/52

CPC classification number: H01L51/0072 ,  C07D401/10 ,  C09K11/025 ,  H01L27/3244 ,  H01L51/0058 ,  H01L51/0067 ,  H01L51/5044 ,  H01L51/5056 ,  H01L51/5072 ,  H01L51/5278 ,  H01L2251/5315 ,  H01L2251/5384

Abstract: An organic light emitting display device is disclosed. The organic light emitting display device comprises an emitting layer over an anode, the light emitting part having an emitting layer and an electron transporting layer, and a cathode on the light emitting part, wherein each of the emitting layer and the electron transporting layer includes a compound with the same core to facilitate electron transport from the electron transporting layer to the emitting layer.

公开(公告)号：US20240284776A1

公开(公告)日：2024-08-22

申请号：US18400336

申请日：2023-12-29

Applicant: LG Display Co., Ltd.

Inventor： Sangbeom Kim ,  Seongsu Jeon ,  Youngjun Yu ,  Seonkeun Yoo ,  Kusun Choung

IPC: H10K85/30 ,  C09K11/02 ,  C09K11/06

CPC classification number: H10K85/342 ,  C09K11/02 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1029 ,  C09K2211/1088 ,  C09K2211/185 ,  H10K50/10 ,  H10K2101/10 ,  H10K2101/30 ,  H10K2101/90 ,  H10K2102/351

Abstract: Disclosed are a structure of an organic light-emitting diode capable of lowering an operation voltage, and improving luminous efficacy and lifetime of an organic light-emitting diode, and a material thereof.

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：US11430964B2

公开(公告)日：2022-08-30

申请号：US17136784

申请日：2020-12-29

Applicant: LG Display Co., Ltd.

Inventor： Seonkeun Yoo ,  Shinhan Kim ,  Jicheol Shin ,  Seongsu Jeon ,  Jeongdae Seo

IPC: H01L51/50 ,  H01L27/32

Abstract: Provided are an organic electric element, a display panel and a display device including the organic electric element. The organic electric element includes a specific compound and satisfies a specific general formula related to energy levels of the component compounds so that they can have excellent efficiency or lifespan.