公开(公告)号：US12167618B2

公开(公告)日：2024-12-10

申请号：US18449368

申请日：2023-08-14

Applicant: Samsung Display Co., LTD.

Inventor： Sungwook Kim ,  Kyungsik Kim ,  SeulOng Kim ,  Tsuyoshi Naijo ,  Sung-Soo Bae ,  Dongchan Lee ,  Hyein Jeong ,  Hyewon Choi ,  Seung-Jin Chu ,  Jaeweon Hur

IPC: H10K50/16 ,  H01L27/15 ,  H01L33/00 ,  H10K50/12 ,  H10K50/15

Abstract: A light emitting element includes: a first electrode, a second electrode facing the first electrode, a first light emitting layer between the first electrode and the second electrode to emit a first light, a second light emitting layer between the first light emitting layer and the second electrode to emit a second light, and an intermediate layer including a host material between the first light emitting layer and the second light emitting layer and, wherein the intermediate layer has a thickness of from about 90 nm to 170 nm.

公开(公告)号：US20220173331A1

公开(公告)日：2022-06-02

申请号：US17533135

申请日：2021-11-23

Applicant: Samsung Display Co., Ltd.

Inventor： Seulong Kim ,  Soungwook Kim ,  Sungsoo Bae ,  Hyein Jeong ,  Hyewon Choi ,  Jaeweon Hur

IPC: H01L51/00

Abstract: A 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 a capping layer disposed on the second electrode, wherein the interlayer further includes an electron transport region between the emission layer and the second electrode, the capping layer includes at least one first material represented by Formula 1 or Formula 2, and the electron transport region satisfies at least one of Condition (1) and Condition (2), as defined herein.

公开(公告)号：US20240334820A1

公开(公告)日：2024-10-03

申请号：US18582243

申请日：2024-02-20

Applicant: Samsung Display Co., Ltd. ,  Solus Advanced Materials Co., Ltd.

Inventor： Hyewon Choi ,  Youngmo Kim ,  Taehyung Kim ,  Jaeyi Sim ,  Seunggyu Yang ,  Jaehoon Lee ,  Yeongrong Park ,  Hyun Shin ,  Ilsoo Oh ,  Daewoong Lee ,  Hyeonjeong Im ,  Illhun Cho

IPC: H10K85/60 ,  C07D251/24 ,  C07D401/14 ,  C07D405/14 ,  C09K11/06 ,  H10K50/16

CPC classification number: H10K85/654 ,  C07D251/24 ,  C07D401/14 ,  C07D405/14 ,  C09K11/06 ,  H10K85/615 ,  H10K85/626 ,  H10K85/6574 ,  C09K2211/1018 ,  H10K50/16 ,  H10K50/166

Abstract: A 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 a heterocyclic compound represented by Formula 1. In addition, an electronic apparatus including the light-emitting device and the heterocyclic compound represented by Formula 1 are also provided.

公开(公告)号：US12069890B2

公开(公告)日：2024-08-20

申请号：US17551016

申请日：2021-12-14

Applicant: Samsung Display Co., Ltd.

Inventor： Hyewon Choi ,  Soungwook Kim ,  Seulong Kim ,  Sungsoo Bae ,  Hyein Jeong ,  Jaeweon Hur

IPC: H10K85/60 ,  H10K50/858 ,  H10K50/82 ,  H10K59/122

CPC classification number: H10K50/858 ,  H10K85/633 ,  H10K85/636 ,  H10K85/6572 ,  H10K50/82 ,  H10K59/122 ,  H10K85/626

Abstract: A 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 a first capping layer and a second capping layer outside the second electrode, wherein the first capping layer includes at least one compound selected from compounds represented by Formulae 1-1 to 1-3, as defined herein, and the second capping layer includes at least one compound selected from compounds represented by Formulae 2-1 to 2-6, as defined herein.

公开(公告)号：US11758760B2

公开(公告)日：2023-09-12

申请号：US17900007

申请日：2022-08-31

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

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：US11626566B2

公开(公告)日：2023-04-11

申请号：US16996599

申请日：2020-08-18

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 ,  H01L51/50

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：US20220416210A1

公开(公告)日：2022-12-29

申请号：US17900007

申请日：2022-08-31

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: H01L51/52 ,  H01L27/32

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：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：US11812659B2

公开(公告)日：2023-11-07

申请号：US17028922

申请日：2020-09-22

Applicant: Samsung Display Co., Ltd. ,  Lapto Co., Ltd.

Inventor： Seulong Kim ,  Eu-gene Oh ,  Munsoo Kim ,  JuWan Maeng ,  Kap-jong Han ,  Jaeweon Hur ,  Hyewon Choi ,  Kyungsik Kim ,  Sung-Soo Bae

IPC: H10K85/60 ,  H10K85/30 ,  C09K11/06 ,  H10K50/11 ,  H10K50/15 ,  H10K50/165 ,  H10K101/10 ,  H10K102/00

CPC classification number: H10K85/6572 ,  C09K11/06 ,  H10K85/324 ,  H10K85/636 ,  H10K85/654 ,  H10K85/656 ,  C09K2211/1044 ,  H10K50/11 ,  H10K50/157 ,  H10K50/165 ,  H10K2101/10 ,  H10K2102/00

Abstract: An organic electroluminescence device of an embodiment includes a first electrode, a second electrode opposite the first electrode, and an emission layer between the first electrode and the second electrode, wherein the emission layer includes a polycyclic compound represented by Formula 1, thereby showing improved emission efficiency.

公开(公告)号：US20230309393A1

公开(公告)日：2023-09-28

申请号：US18178383

申请日：2023-03-03

Applicant: Samsung Display Co., Ltd.

Inventor： Sungsoo Bae ,  Mikyung Kim ,  Sanggyun Kim ,  Hyejeong Park ,  Yoojin Sohn ,  Hyewon Choi ,  Jaeweon Hur

IPC: H10K85/60 ,  H10K59/35

CPC classification number: H10K85/6572 ,  H10K59/35 ,  H10K50/171

Abstract: A light-emitting device and an electronic apparatus that includes the light-emitting device are provided. 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 an electron transport region between the second electrode and the emission layer. The electron transport region includes an electron injection layer, and the electron injection layer includes a heterocyclic compound.