公开(公告)号：US20160028014A1

公开(公告)日：2016-01-28

申请号：US14806523

申请日：2015-07-22

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Myeongsuk Kim ,  Sungwook Kim ,  Jaebok Kim ,  Wonjun Song ,  Jahyun Im ,  Taekyung Kim

IPC: H01L51/00 ,  H01L27/32

CPC classification number: H01L51/006 ,  H01L27/3244 ,  H01L51/0052 ,  H01L51/0056 ,  H01L51/0058 ,  H01L51/0059 ,  H01L51/0061 ,  H01L51/0072 ,  H01L51/0073 ,  H01L51/0074 ,  H01L51/5016 ,  H01L51/5056 ,  H01L51/5064 ,  H01L51/5072 ,  H01L51/508

Abstract: An organic light-emitting device includes: a first electrode; a second 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, wherein the hole transport region includes an auxiliary layer, and the auxiliary layer includes an amine-based compound represented by Formula 1: The organic light-emitting device according to one or more embodiments of the present invention may exhibit high efficiency and improved lifespan.

Abstract translation: 一种有机发光装置，包括：第一电极; 第二电极; 在第一电极和第二电极之间的发射层; 以及在第一电极和发光层之间的空穴传输区域，其中空穴传输区域包括辅助层，辅助层包括由式1表示的胺基化合物：根据一个或多个的有机发光器件 本发明的实施例可以表现出高效率和改善的寿命。

公开(公告)号：US12289987B2

公开(公告)日：2025-04-29

申请号：US16935004

申请日：2020-07-21

Applicant: Samsung Display Co., Ltd.

Inventor： Jaeweon Hur ,  Kyungsik Kim ,  Sungwook Kim ,  Seulong Kim ,  Seungjin Chu ,  Hyein Jeong

IPC: H10K85/60 ,  C07D209/88 ,  C07F7/08 ,  H10K50/15 ,  H10K50/17 ,  H10K50/18 ,  H10K85/40 ,  H10K101/30 ,  H10K101/40

Abstract: An organic light-emitting device in which a hole transport region includes a first hole transport stack, a second hole transport stack between the first hole transport stack and an emission layer, and an electron blocking layer between the second hole transport stack and the emission layer, wherein a HOMO energy level of the hole transport region satisfies a certain equations. The organic light-emitting devices according to embodiments of the present disclosure may have high efficiency and a long lifespan.

公开(公告)号：US12279475B2

公开(公告)日：2025-04-15

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 ,  H10K102/00

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：US20250160199A1

公开(公告)日：2025-05-15

申请号：US19026041

申请日：2025-01-16

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jaeweon Hur ,  Kyungsik Kim ,  Sungwook Kim ,  Seulong Kim ,  Seungjin Chu ,  Hyein Jeong

IPC: H10K85/60 ,  C07D209/88 ,  C07F7/08 ,  H10K50/15 ,  H10K50/17 ,  H10K50/18 ,  H10K85/40 ,  H10K101/30 ,  H10K101/40

Abstract: An organic light-emitting device in which a hole transport region includes a first hole transport stack, a second hole transport stack between the first hole transport stack and an emission layer, and an electron blocking layer between the second hole transport stack and the emission layer, wherein a HOMO energy level of the hole transport region satisfies a certain equations. The organic light-emitting devices according to embodiments of the present disclosure may have high efficiency and a long lifespan.

公开(公告)号：US20240090263A1

公开(公告)日：2024-03-14

申请号：US18347096

申请日：2023-07-05

Applicant: Samsung Display Co., Ltd.

Inventor： Jeonggi Kim ,  Sungwook Kim ,  Taesik Kim ,  Youngwoo Park ,  Jeongsoo Lee ,  Jina Lee ,  Wansoon Im ,  Seongbaik Chu

IPC: H10K59/121 ,  H10K59/131

CPC classification number: H10K59/1213 ,  H10K59/1216 ,  H10K59/131

Abstract: A display panel includes a driving voltage line, an organic light-emitting diode, a driving transistor electrically connected between the driving voltage line and the organic light-emitting diode, a data write transistor electrically connected between the driving transistor and a data line, a first voltage line extending in a first direction, a first transistor electrically connected between the driving transistor and the first voltage line, a first vertical voltage line extending in a second direction perpendicular to the first direction and electrically connected to the first voltage line, and a second transistor electrically connected between the driving transistor and the driving voltage line.

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：US20230225144A1

公开(公告)日：2023-07-13

申请号：US18179306

申请日：2023-03-06

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Seungjin Chu ,  Kyungsik Kim ,  Sungwook Kim ,  Seulong Kim ,  Tsuyoshi NAIJO ,  Yunjee Park ,  Sungsoo Bae ,  Dongchan Lee ,  Hyewon Choi ,  Jaeweon Hur

IPC: H01L51/00

CPC classification number: H10K50/12 ,  H10K85/654 ,  H10K85/6572 ,  H10K85/6574 ,  H10K85/324 ,  H10K85/615 ,  H10K50/16 ,  H10K50/15

Abstract: An organic light-emitting device includes a mixed layer, an emission layer, and a buffer layer and satisfies one of Equation 1 or Equation 2 and Equation 3:


T1(D)≥T1(Mix)+0.3 eV  Equation 1



T1(H)≥T1(Mix)+0.3 eV  Equation 2



T1(Mix)

公开(公告)号：US11018304B2

公开(公告)日：2021-05-25

申请号：US16861571

申请日：2020-04-29

Applicant: Samsung Display Co., Ltd.

Inventor： Myeongsuk Kim ,  Sungwook Kim ,  Wonjun Song ,  Jinsoo Hwang ,  Changwoong Chu

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

Abstract: An organic light-emitting device having a low driving voltage, high efficiency, and a long lifespan is provided. The device includes a first electrode, a second electrode, and an organic layer between the first electrode and the second electrode, wherein the organic layer includes an emission layer, a first compound, and a second compound. Various chemical structures for the first compound and the second compound are provided.

公开(公告)号：US10087145B2

公开(公告)日：2018-10-02

申请号：US14701088

申请日：2015-04-30

Applicant: SAMSUNG DISPLAY CO., LTD. ,  Research & Business Foundation SUNGKYUNKWAN UNIVERSITY

Inventor： Myeongsuk Kim ,  Sungwook Kim ,  Jinsoo Hwang ,  Seungsoo Yoon

IPC: H01L51/00 ,  C07D221/18 ,  C09K11/06 ,  C07D471/04 ,  C07D471/14 ,  H01L51/50

Abstract: A condensed cyclic compound represented by Formula 1 and an organic light-emitting device including the condensed cyclic compound are provided;

公开(公告)号：US12150376B2

公开(公告)日：2024-11-19

申请号：US16996543

申请日：2020-08-18

Applicant: Samsung Display Co., Ltd.

Inventor： Seulong Kim ,  Kyungsik Kim ,  Sungwook Kim ,  Seungjin Chu ,  Jaeweon Hur

IPC: H01L51/00 ,  H10K85/30 ,  H10K85/60 ,  H10K50/11 ,  H10K50/16 ,  H10K59/123 ,  H10K101/10

Abstract: An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; an organic layer between the first electrode and the second electrode and comprising an emission layer; and an electron transport region between the emission layer and the second electrode, wherein the electron transport region comprises a first auxiliary layer and a second auxiliary layer, the first auxiliary layer is between the emission layer and the second auxiliary layer, the first auxiliary layer comprises a first compound, the second auxiliary layer comprises a second compound, the second compound comprises at least one π electron-depleted nitrogen-containing ring, and the organic light-emitting device satisfies equations: T1(EML)≥T1(AXL1)+0.3 eV and T1(AXL2)≥T1(AXL1)+0.5 eV.