公开(公告)号：US20220255032A1

公开(公告)日：2022-08-11

申请号：US17724784

申请日：2022-04-20

Applicant: LG Display Co., Ltd.

Inventor： Sangbeom KIM ,  Jeongdae SEO

IPC: H01L51/50 ,  H01L27/32 ,  H01L51/56 ,  H01L51/52

Abstract: An organic light-emitting diode includes: a first electrode, a light-emitting stack thereon including: a hole transport layer (HTL), a blue light-emitting layer including: a blue host material (BHM), and a blue fluorescent dopant (BFD) material, and an electron transport layer (ETL), and a second electrode on the light-emitting stack, wherein BFD LUMO>BHM, BFD HOMO>BHM, BFD singlet energy BHM and BFD, HTL HOMO−BFD HOMO≤0.1 eV, the HTL material LUMO>the BHM, HTL LUMO−BHM LUMO>0.5 eV, HTL LUMO>BFD, ETL LUMO>BHM and BFD, a difference in LUMO between the ETL material and the BFD material ≤0.1 eV, and the HTL material, the ETL material, and the BHM have the following triplet energy relationships: T1,BH

公开(公告)号：US20210202872A1

公开(公告)日：2021-07-01

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: H01L51/50

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：US20200335698A1

公开(公告)日：2020-10-22

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 ,  C07C211/54

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：US20160155950A1

公开(公告)日：2016-06-02

申请号：US14886420

申请日：2015-10-19

Applicant: LG DISPLAY CO., LTD.

Inventor： JungKeun KIM ,  ChangWook HAN ,  DoHan KIM ,  YoonHeung TAK ,  Jeongdae SEO ,  Hyoseok KIM ,  Hyeseung KANG ,  Jun Yeob LEE

IPC: H01L51/00

CPC classification number: H01L51/0058 ,  H01L51/0052 ,  H01L51/5004 ,  H01L51/5012 ,  H01L51/5044 ,  H01L51/5056 ,  H01L51/506 ,  H01L51/5084 ,  H01L51/5088 ,  H01L51/5278 ,  H01L2251/552

Abstract: An organic light emitting display device is disclosed. The organic light emitting device includes a first light emitting part between an anode and a cathode, the first light emitting layer having a hole injection layer, a first hole transport layer, and a first light emitting layer; a second light emitting part over the first light emitting part, the second light emitting part having a second hole transport layer and a second light emitting layer; and a first charge generation layer between the first light emitting part and the second light emitting part, the first charge generation layer having a P-type charge generation layer, wherein at least one among the hole injection layer, the first hole transport layer, the second hole transport layer, and the P-type charge generation layer includes a carbonitrile compound.

Abstract translation: 公开了一种有机发光显示装置。 有机发光器件包括在阳极和阴极之间的第一发光部分，第一发光层具有空穴注入层，第一空穴传输层和第一发光层; 在所述第一发光部分上方的第二发光部分，所述第二发光部分具有第二空穴传输层和第二发光层; 以及在第一发光部分和第二发光部分之间的第一电荷产生层，第一电荷产生层具有P型电荷产生层，其中空穴注入层，第一空穴传输层， 第二空穴传输层，P型电荷产生层包括腈化合物。

公开(公告)号：US20150280141A1

公开(公告)日：2015-10-01

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

CPC classification number: H01L51/0072 ,  C09K11/025 ,  H01L51/0052 ,  H01L51/0056 ,  H01L51/0058 ,  H01L51/0067 ,  H01L51/0085 ,  H01L51/5012 ,  H01L51/5044 ,  H01L51/5072 ,  H01L51/5092 ,  H01L51/5278

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.

Abstract translation: 公开了一种有机发光二极管。 有机发光二极管包括在阳极和阴极之间的至少一个发光部分，其中至少一个发光部分具有至少一个有机层和发射层。 所述至少一个有机层由具有一个或多个杂原子的化合物组成，并且该化合物具有归因于能级的杂原子和导电特性的能级。

公开(公告)号：US20210202857A1

公开(公告)日：2021-07-01

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: H01L51/00

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：US20210202845A1

公开(公告)日：2021-07-01

申请号：US17136559

申请日：2020-12-29

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: H01L51/00

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 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 may have excellent efficiency or lifespan.

公开(公告)号：US20190198791A1

公开(公告)日：2019-06-27

申请号：US16217164

申请日：2018-12-12

Applicant: LG Display Co., Ltd.

Inventor： Sangbeom KIM ,  Jeongdae SEO ,  Dohan KIM ,  Hyeseung KANG ,  Seonkeun YOO ,  Seunghee YOON ,  Daewon RYU ,  Jicheol SHIN

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

CPC classification number: H01L51/506 ,  H01L27/3209 ,  H01L51/5004 ,  H01L51/5203 ,  H01L51/5262

Abstract: Disclosed is an organic light emitting diode and an organic light emitting display including the same, where the organic light emitting diode includes: a first electrode; a light emitting stack disposed on the first electrode; and a second electrode disposed on the light emitting stack, where the light emitting stack includes a hole transport layer and a blue light emitting layer such that the hole transport layer and the blue light emitting layer are sequentially stacked on the first electrode, where the blue light emitting layer includes a blue host material and a blue fluorescent dopant material, and the hole transport layer includes a hole transport layer material. The blue fluorescent dopant material has a higher LUMO energy level than the blue host material and the blue fluorescent dopant material has a higher HOMO energy level than the blue host material.

公开(公告)号：US20170162792A1

公开(公告)日：2017-06-08

申请号：US15250214

申请日：2016-08-29

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

Inventor： Jungkeun KIM ,  Dohan KIM ,  Jeongdae SEO ,  Hyoseok KIM ,  Heungwoo CHOI ,  Wanpyo HONG

IPC: H01L51/00 ,  C09K11/06 ,  C07D213/61 ,  C07C255/47

CPC classification number: H01L51/0052 ,  C07C255/47 ,  C07C2603/10 ,  C07D213/61 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1011 ,  C09K2211/1029 ,  H01L51/0053 ,  H01L51/0064 ,  H01L51/0067 ,  H01L51/5012 ,  H01L51/5056 ,  H01L51/5088 ,  H01L51/5206 ,  H01L51/5221 ,  H01L51/5278

Abstract: An organic light emitting display device is provided. The organic light emitting display device may include at least one light emitting part between an anode and a cathode, and the at least one light emitting part having at least one organic layer and a light emitting layer, wherein the at least one organic layer comprises a compound represented by Chemical Formula 1 or 2.

公开(公告)号：US20150034923A1

公开(公告)日：2015-02-05

申请号：US14339168

申请日：2014-07-23

Applicant: LG Display Co., Ltd.

Inventor： Shinhan KIM ,  Byungchul AHN ,  Changwook HAN ,  Dohyung KIM ,  Hongseok CHOI ,  Sunghoon PIEH ,  Yoonheung TAK ,  Jeongdae SEO ,  Youngkwan JUNG ,  Gwijeong CHO ,  Younseok KAM ,  Taeshick KIM

IPC: H01L51/50

CPC classification number: H01L51/5004 ,  H01L27/3209 ,  H01L51/504 ,  H01L51/5044 ,  H01L51/5278 ,  H01L2251/5376

Abstract: Provided is a white organic light emitting diode device, including first and second electrodes facing each other above a substrate, first and second charge generation layers formed between the first electrode and the second electrode, a first stack disposed between the first electrode and the first charge generation layer and including a first light emitting layer, a second stack disposed between the first charge generation layer and the second charge generation layer and including a second light emitting layer, and a third stack disposed between the second charge generation layer and the second electrode and including a third light emitting layer, wherein two of the first to third light emitting layers emit a blue light and the rest light emitting layer emits a yellow-green light.

Abstract translation: 提供了一种白色有机发光二极管装置，其包括在基板上面对的第一和第二电极，形成在第一电极和第二电极之间的第一和第二电荷产生层，设置在第一电极和第一电荷之间的第一堆叠 设置在第一电荷产生层和第二电荷产生层之间并包括第二发光层的第二叠层和设置在第二电荷产生层和第二电极之间的第三堆叠， 包括第三发光层，其中第一至第三发光层中的两个发射蓝色光，其余发光层发射黄绿色光。