公开(公告)号：US20230180493A1

公开(公告)日：2023-06-08

申请号：US18075282

申请日：2022-12-05

Applicant: Samsung Display Co., Ltd.

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

IPC: H10K50/11 ,  H10K50/155 ,  H10K50/18

CPC classification number: H01L51/5004 ,  H01L51/506 ,  H01L51/5096 ,  H01L2251/5384

Abstract: A light-emitting device includes an interlayer that includes a first hole transport layer, a second hole transport layer, and a third hole transport layer, wherein the first hole transport layer includes a first hole transport compound and a first p-dopant compound, the second hole transport layer includes a second hole transport compound and a second p-dopant compound, the third hole transport layer includes a third hole transport compound and does not include a p-dopant, and an absolute value of lowest unoccupied molecular orbital (LUMO) energy of the second p-dopant compound is greater than an absolute value of LUMO energy of the first p-dopant compound.

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：US11968888B2

公开(公告)日：2024-04-23

申请号：US17146928

申请日：2021-01-12

Applicant: Samsung Display Co., Ltd.

Inventor： Jaeweon Hur ,  Seulong Kim ,  Hyeongpil Kim ,  Sungsoo Bae ,  Dongchan Lee

IPC: H01L51/00 ,  H10K85/30 ,  H10K85/60 ,  H10K50/11 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K101/40

CPC classification number: H10K85/633 ,  H10K85/324 ,  H10K85/342 ,  H10K85/346 ,  H10K85/348 ,  H10K85/622 ,  H10K85/623 ,  H10K85/653 ,  H10K85/654 ,  H10K85/656 ,  H10K85/6572 ,  H10K85/6574 ,  H10K85/6576 ,  H10K50/11 ,  H10K50/15 ,  H10K50/16 ,  H10K50/171 ,  H10K2101/40

Abstract: An electronic apparatus includes an organic light-emitting device including: a first electrode, a second electrode facing the first electrode, m light-emitting units stacked between the first electrode and the second electrode and including at least one emission layer; and m−1 charge generating layers, each located between two neighboring light-emitting units of the m light-emitting units and including an n-type charge generating layer and a p-type charge generation layer, wherein m is an integer of 2 or more, at least one of the m−1 p-type charge generation layers includes a first doping layer and a second doping layer, the first doping layer includes a first organic material and a first inorganic material, the second doping layer includes a second organic material and a second inorganic material, and the first inorganic material and the second inorganic material are different from each other.

公开(公告)号：US11690287B2

公开(公告)日：2023-06-27

申请号：US16444485

申请日：2019-06-18

Applicant: Samsung Display Co., Ltd.

Inventor： Kyungsik Kim ,  Seulong Kim ,  Sungsoo Bae ,  Dongchan Lee ,  Jaeweon Hur

IPC: H01L51/00 ,  C07D209/86 ,  C07D401/14 ,  C07D403/10 ,  C07D403/14 ,  C07D487/04 ,  C07F5/02 ,  C09K11/06 ,  H01L27/32 ,  H01L51/50

CPC classification number: H01L51/0067 ,  C07D209/86 ,  C07D401/14 ,  C07D403/10 ,  C07D403/14 ,  C07D487/04 ,  C07F5/022 ,  C09K11/06 ,  H01L27/3248 ,  H01L51/008 ,  H01L51/0061 ,  H01L51/0072 ,  C09K2211/1018 ,  H01L51/5012 ,  H01L51/5056

Abstract: An organic light-emitting device includes a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode. The organic layer includes an emission layer. The emission layer includes a first compound, a second compound, and a third compound. The first compound is represented by Formula 1, the second compound is represented by Formula 2, the third compound is represented by Formula 3, and the first compound and the second compound are different from each other.

公开(公告)号：US20210098713A1

公开(公告)日：2021-04-01

申请号：US16904419

申请日：2020-06-17

Applicant: Samsung Display Co., Ltd.

Inventor： Hyewon CHOI ,  Tsuyoshi Naijo ,  Yunjee Park ,  Sung-Soo Bae ,  Dongchan Lee

IPC: H01L51/00 ,  C09K11/06

Abstract: An organic electroluminescence device of the present embodiments includes a first electrode, a second electrode on the first electrode, and a first emission layer and a second emission layer, both between the first electrode and the second electrode, wherein the first emission layer includes a first host and a first dopant including an anthracene-based compound, the second emission layer includes a second host represented by Formula H-1 and a second dopant including an organometal compound, and the first emission layer and the second emission layer are adjacent to each other. The device of the present embodiments thereby shows high emission efficiency and long-life characteristics.

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：US20200235303A1

公开(公告)日：2020-07-23

申请号：US16546041

申请日：2019-08-20

Applicant: Samsung Display Co., Ltd.

Inventor： Seulong KIM ,  Tsuyoshi Naijo ,  Sungsoo Bae ,  Dongchan Lee

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

Abstract: Provided are an organic light-emitting device and a display apparatus including the same. The organic light-emitting 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, the emission layer includes a first compound, a second compound, and a third compound, the first compound is represented by Formula 1, the second compound is represented by Formula 2, the third compound is represented by Formula 3, and the first compound and the second compound are different from each other.

公开(公告)号：US12219789B2

公开(公告)日：2025-02-04

申请号：US16992837

申请日：2020-08-13

Applicant: Samsung Display Co., Ltd.

Inventor： Seulong Kim ,  Tsuyoshi Naijo ,  Yunjee Park ,  Sungsoo Bae ,  Dongchan Lee ,  Hyewon Choi

IPC: H10K50/16 ,  H10K85/60

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, wherein the organic layer includes an emission layer, a first auxiliary layer, a second auxiliary layer, and an electron transport layer, the first auxiliary layer and the second auxiliary layer are disposed between the emission layer and the electron transport layer, the first auxiliary layer includes a first compound including a carbocyclic group that has three or more rings, and the second auxiliary layer includes: (i) a second compound that is a bipolar compound, (ii) a third compound that is a hole transport compound and a fourth compound that is an electron transport compound, or (iii) the second compound that is the bipolar compound and the fourth compound that is the electron transport compound.

公开(公告)号：US11778844B2

公开(公告)日：2023-10-03

申请号：US16901672

申请日：2020-06-15

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: H01L27/32 ,  H01L27/15 ,  H01L33/08 ,  H01L33/14 ,  H01L33/26 ,  H01L33/50 ,  H01L33/36 ,  H10K50/12 ,  H10K50/15 ,  H10K50/16

CPC classification number: H10K50/12 ,  H10K50/15 ,  H10K50/16

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.