公开(公告)号：US11437604B2

公开(公告)日：2022-09-06

申请号：US16851174

申请日：2020-04-17

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：US20210005844A1

公开(公告)日：2021-01-07

申请号：US16851174

申请日：2020-04-17

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：US11980091B2

公开(公告)日：2024-05-07

申请号：US17023189

申请日：2020-09-16

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

Inventor： Dongchan Lee ,  Eu-gene Oh ,  SeulOng Kim ,  Yunjee Park ,  Munsoo Kim ,  JuWan Maeng ,  Kap-jong Han

IPC: H10K85/60 ,  C07D498/04 ,  C07D513/04 ,  C09K11/02 ,  C09K11/06 ,  H10K50/11 ,  H10K101/10

CPC classification number: H10K85/657 ,  C07D498/04 ,  C07D513/04 ,  C09K11/02 ,  C09K11/06 ,  H10K85/636 ,  H10K85/6572 ,  C09K2211/1007 ,  C09K2211/1018 ,  H10K50/11 ,  H10K2101/10

Abstract: An organic electroluminescence device of an embodiment includes a first electrode, a second electrode, and an emission layer between the first electrode and the second electrode, and the emission layer includes a compound represented by Formula 1 below, and thus the organic electroluminescence device may exhibit high luminous efficiency characteristics and improved service life characteristics.

公开(公告)号：US20230371299A1

公开(公告)日：2023-11-16

申请号：US18071878

申请日：2022-11-30

Applicant: Samsung Display Co., Ltd.

Inventor： Eunhye Song ,  Jinwon Sun ,  Dongchan Lee ,  Pyungeun Jeon

IPC: H10K50/15 ,  H10K50/16 ,  H10K85/30 ,  H10K85/60

CPC classification number: H01L51/5056 ,  H01L51/5072 ,  H01L51/0087 ,  H01L51/0085 ,  H01L51/006 ,  H01L51/0054 ,  H01L51/0073 ,  H01L51/008 ,  H01L51/0061 ,  H01L51/0072 ,  H01L51/0056 ,  H01L51/50

Abstract: Embodiments provide an organic light-emitting device that includes a first electrode, a second electrode facing the first electrode, and an interlayer between the first electrode and the second electrode and including an emission layer. The emission layer includes a first compound, a second compound, a third compound, and a fourth compound, the first compound is a hole transporting host, the second compound is an electron transporting host, the third compound is a Pt complex, and the fourth compound is an Ir complex containing a halogen group.

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：US20230276698A1

公开(公告)日：2023-08-31

申请号：US18169794

申请日：2023-02-15

Applicant: Samsung Display Co., Ltd.

Inventor： Pyungeun Jeon ,  Jinwon Sun ,  Eunhye Song ,  Dongchan Lee

IPC: H10K85/60 ,  C09K11/06

CPC classification number: H10K85/631 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1014 ,  H10K50/156

Abstract: A light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an interlayer arranged between the first electrode and the second electrode, the interlayer including an emission layer,
wherein the interlayer includes a multi-layered film consisting of an odd number of layers, and the multi-layered film is formed by alternately stacking layers having different refractive indices from each other.

公开(公告)号：US20230217817A1

公开(公告)日：2023-07-06

申请号：US18150053

申请日：2023-01-04

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Dongchan Lee ,  Jinwon Sun ,  Eunhye Song ,  Jonghyeon Lee ,  Pyungeun Jeon ,  Changwoong Chu

IPC: H10K85/60 ,  H10K85/30 ,  C09K11/06

CPC classification number: H10K85/654 ,  C09K11/06 ,  H10K85/346 ,  H10K85/6572 ,  H10K50/166

Abstract: A light-emitting device includes an electron transport region including a first electron transport layer and a second electron transport layer. The first electron transport layer includes a first compound, the second electron transport layer includes a second compound, the first compound includes a pyrimidine group, the second compound includes a triazine group, and an absolute value of a lowest unoccupied molecular orbital (LUMO) energy of the first compound (ELUMO_E1) is less than an absolute value of a LUMO energy of the second compound (ELUMO_E2). An electronic apparatus including the light-emitting device.

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：US20220285633A1

公开(公告)日：2022-09-08

申请号：US17653260

申请日：2022-03-02

Applicant: Samsung Display Co., Ltd.

Inventor： Dongchan Lee ,  Eunhye Song ,  Pyungeun Jeon ,  Jinwon Sun

IPC: H01L51/00

Abstract: The present application provides a light-emitting device. The light-emitting device includes: a first electrode; a second electrode; and an interlayer located between the first electrode and the second electrode, the interlayer including an emission layer, wherein the emission layer includes a first compound represented by Formula 1 and a second compound including at least one of an electron withdrawing group and a π electron-deficient nitrogen-containing C1-C60 cyclic group.