公开(公告)号：US12082497B2

公开(公告)日：2024-09-03

申请号：US17277710

申请日：2019-03-12

Applicant: Samsung Display Co., Ltd.

Inventor： Seulong Kim ,  Jungmin Kang ,  Tsuyoshi Naijo ,  Hyein Jeong ,  Soungwook Kim

IPC: H01L51/50 ,  C07D471/06 ,  C09K11/06 ,  H10K85/60 ,  H10K50/11 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K50/18 ,  H10K101/10 ,  H10K101/30

CPC classification number: H10K85/636 ,  C07D471/06 ,  C09K11/06 ,  C09K2211/1018 ,  H10K50/11 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K50/171 ,  H10K50/18 ,  H10K85/654 ,  H10K85/6572 ,  H10K2101/10 ,  H10K2101/30

Abstract: An organic light-emitting device includes a condensed cyclic compound represented by Formula 1:




The condensed cyclic compound has an electron withdrawing group (EWG) substituent and an electron donating group (EDG) substituent at suitable positions, and thus has a low ΔEST and may be used as an effective thermally activated delayed fluorescence (TADF) light-emitting material.

公开(公告)号：US11557744B2

公开(公告)日：2023-01-17

申请号：US15895724

申请日：2018-02-13

Applicant: Samsung Display Co., Ltd.

Inventor： Hye-In Jeong ,  Seul-Ong Kim ,  Dong-Hyun Kim ,  Sung-Wook Kim ,  Tsuyoshi Naijo ,  Sung-Soo Bae ,  Hwan-Hee Cho

IPC: H01L51/50 ,  H01L51/52 ,  H01L27/32 ,  H01L51/00 ,  C09K11/06

Abstract: An organic light-emitting device includes a first electrode, a second electrode facing the first electrode, an emission layer between the first electrode and the second electrode, and a hole transport region between the first electrode and the emission layer. The emission layer includes a first compound represented by Formula 1, and the hole transport region includes a second compound represented by Formula 2:

公开(公告)号：US20220077416A1

公开(公告)日：2022-03-10

申请号：US17223952

申请日：2021-04-06

Applicant: Samsung Display Co., Ltd.

Inventor： Hyosup Shin ,  Tsuyoshi Naijo ,  Hyunyoung Kim ,  Dongyoun Yoo ,  Jiyoung Lee

IPC: H01L51/50

Abstract: A light-emitting device including a first electrode; a second electrode facing the first electrode; and interlayer arranged between the first electrode and the second electrode and including an emission layer, wherein the emission layer includes a first emission layer and a second emission layer, the first emission layer includes a first dopant, wherein the second dopant is an electron-trapping dopant, and the second emission layer includes a third dopant and a fourth dopant, wherein the fourth dopant is a hole-trapping dopant.

公开(公告)号：US20190027698A1

公开(公告)日：2019-01-24

申请号：US15870587

申请日：2018-01-12

Applicant: Samsung Display Co., Ltd.

Inventor： Sung-Soo Bae ,  Seul-Ong Kim ,  Dong-Hyun Kim ,  Sung-Wook Kim ,  Tsuyoshi Naijo ,  Hye-In Jeong ,  Hwan-Hee Cho

IPC: H01L51/00 ,  H01L51/50 ,  C09K11/06

Abstract: An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode, the organic layer including an emission layer. The organic layer includes a first compound represented by Formula 1 and a second compound represented by Formula 2. The first compound may be included in an emission layer, and the second compound may be included in an electron transport region.

公开(公告)号：US09991446B2

公开(公告)日：2018-06-05

申请号：US14719505

申请日：2015-05-22

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Sung-Soo Bae ,  Mikyung Kim ,  Donghyun Kim ,  Tsuyoshi Naijo

IPC: H01L51/50 ,  H01L51/00

CPC classification number: H01L51/0058 ,  H01L51/006 ,  H01L51/0072 ,  H01L51/5072

Abstract: An organic light emitting device including a first electrode, a hole transport region on the first electrode, a light emission layer on the hole transport region, a buffer layer on the light emission layer, an electron transport region on the buffer layer, and a second electrode on the electron transport region. The buffer layer includes at least one selected from the group consisting of a carbazole derivative, a phenanthroline derivative, a triazole derivative, and a quinolinolato-based metal complex.

公开(公告)号：US09231221B2

公开(公告)日：2016-01-05

申请号：US14156585

申请日：2014-01-16

Applicant: Samsung Display Co., Ltd.

Inventor： Tsuyoshi Naijo

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

CPC classification number: H01L51/0097 ,  H01L27/3244 ,  H01L27/326 ,  H01L27/3267 ,  H01L51/5246 ,  H01L51/5284 ,  H01L2251/5338 ,  Y02E10/549

Abstract: An organic light emitting diode display includes: a flexible substrate configured to be bent at least once; a first display part on the flexible substrate and including a plurality of first light emitting elements; and a second display part on the flexible substrate and including a plurality of second light emitting elements. Each of a first light emitting element and a second light emitting element among the plurality of first and second light emitting elements includes a first electrode, an emission layer and a second electrode, the first electrode of the first light emitting element includes a transparent layer or a semi-transparent layer, the first electrode of the second light emitting element includes a reflective layer, and the second electrode of the first light emitting element and the second light emitting element, includes the transparent layer or the semi-transparent layer.

Abstract translation: 有机发光二极管显示器包括：柔性基板，其被配置为弯曲至少一次; 柔性基板上的第一显示部分，并且包括多个第一发光元件; 以及在所述柔性基板上的第二显示部分，并且包括多个第二发光元件。 多个第一和第二发光元件中的第一发光元件和第二发光元件中的每一个包括第一电极，发射层和第二电极，第一发光元件的第一电极包括透明层或 半透明层，第二发光元件的第一电极包括反射层，第一发光元件和第二发光元件的第二电极包括透明层或半透明层。

公开(公告)号：US20150333268A1

公开(公告)日：2015-11-19

申请号：US14513144

申请日：2014-10-13

Applicant: Samsung Display Co., Ltd.

Inventor： Sang-Hyun Han ,  Soo-Yon Kim ,  Young-Kook Kim ,  Seok-Hwan Hwang ,  Tsuyoshi Naijo

IPC: H01L51/00

CPC classification number: H01L51/0073 ,  H01L51/0052 ,  H01L51/0054 ,  H01L51/0058 ,  H01L51/0067 ,  H01L51/0072 ,  H01L51/0074 ,  H01L51/0081 ,  H01L51/0094 ,  H01L51/5012 ,  H01L51/5016 ,  H01L51/5068 ,  H01L51/5072 ,  H01L51/5092

Abstract: A condensed cyclic compound is represented by Formula 1. The components of Formula 1 are described herein. An organic light-emitting device includes the condensed cyclic compound. The organic light-emitting device has improved driving voltage, improved luminance, improved efficiency, and improved half-lifetime, as compared to those of an organic light-emitting device that does not include the condensed cyclic compound.

Abstract translation: 缩合的环状化合物由式1表示。本文描述了式1的组分。 有机发光器件包括缩合的环状化合物。 与不包含缩合环状化合物的有机发光器件相比，有机发光器件具有改善的驱动电压，改善的亮度，提高的效率和改善的半衰期。

公开(公告)号：US09041284B2

公开(公告)日：2015-05-26

申请号：US14021975

申请日：2013-09-09

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Tsuyoshi Naijo

IPC: H05B33/04

CPC classification number: H05B33/04

Abstract: A flexible display device including: a flexible substrate having a display area and a moisture absorption area at a surface; a display unit at the display area; a moisture absorption layer at the moisture absorption area; and a sealant along an edge of the display area and configured to seal the moisture absorption layer and the display unit. The flexible substrate is configured to be folded at least one time, and the display area and the moisture absorption area are opposite to each other.

Abstract translation: 一种柔性显示装置，包括：在表面具有显示区域和吸湿区域的柔性基板; 在显示区域的显示单元; 在吸湿区域的吸湿层; 以及沿着显示区域的边缘的密封剂，并且被配置为密封吸湿层和显示单元。 柔性基板被配置为至少折叠一次，并且显示区域和吸湿区域彼此相反。

公开(公告)号：US20240023367A1

公开(公告)日：2024-01-18

申请号：US18357463

申请日：2023-07-24

Applicant: Samsung Display Co., Ltd.

Inventor： Sungwook Kim ,  Kyungsik Kim ,  Seulong Kim ,  Tsuyoshi Naijo ,  Sungsoo Bae ,  Dongchan Lee ,  Hyein Jeong ,  Hyewon Choi ,  Seungjin Chu ,  Jaeweon Hur

IPC: H10K50/852 ,  H10K59/12

CPC classification number: H10K50/852 ,  H10K59/12 ,  H10K2102/351

Abstract: An organic light-emitting display apparatus including; a first pixel electrode, a second pixel electrode, a third pixel electrode; a first lower functional layer, a second lower functional layer, and a third lower functional layer; a first organic emission layer for emitting a first color, a second organic emission layer for emitting a second color, and a third organic emission layer for emitting a third color; an opposite electrode; and a first upper functional layer, a second upper functional layer, and a third upper functional layer respectively disposed between the opposite electrode and the first organic emission layer, the second organic emission layer, and the third organic emission layer and each having a thickness that is equal to or greater than about 1300 Å and less than or equal to about 1800 Å.

公开(公告)号：US20220344593A1

公开(公告)日：2022-10-27

申请号：US17714872

申请日：2022-04-06

Applicant: Samsung Display Co., Ltd.

Inventor： Jiyoung Lee ,  Tsuyoshi Naijo ,  Hyunyoung Kim ,  Hyosup Shin ,  Jungsub Lee

IPC: H01L51/00 ,  C07F5/02 ,  C09K11/06

Abstract: A light-emitting device including a heterocyclic compound represented by Formula 1 and a phosphorescent dopant, and an electronic apparatus including the light-emitting device are provided. Formula 1 is the same as described in the present specification. The light-emitting device includes: a first electrode, a second electrode facing the first electrode, an interlayer between the first electrode and the second electrode and including an emission layer, and the heterocyclic compound represented by Formula 1.