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：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：US11316125B2

公开(公告)日：2022-04-26

申请号：US16407810

申请日：2019-05-09

Applicant: Samsung Display Co., Ltd.

Inventor： Sungwook Kim ,  Seulong Kim ,  Sungsoo Bae ,  Tsuyoshi Naijo ,  Jaeweon Hur ,  Hyein Jeong

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

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, wherein the organic layer comprises an emission layer, a mixed layer, and a hole transport region, the hole transport region is between the emission layer and the first electrode, the mixed layer is between the hole transport region and the emission layer, and comprises a first compound and a second compound, the first compound comprises an anthracene-based compound represented by Formula 1, and the second compound comprises an amine-based compound represented by Formula 2. A display apparatus includes the organic light-emitting device.

公开(公告)号：US10367150B2

公开(公告)日：2019-07-30

申请号：US14795857

申请日：2015-07-09

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Eunjae Jeong ,  Youngkook Kim ,  Junha Park ,  Munki Sim ,  Eunyoung Lee ,  Seokhwan Hwang ,  Sungsoo Bae

IPC: C07D471/04 ,  H01L51/00 ,  C09K11/06 ,  C07F9/6561 ,  H01L51/50

Abstract: A compound represented by Formula 1 or Formula 2, and an organic light-emitting device including 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 and the compound represented by Formula 1 or Formula 2.

公开(公告)号：US20250120313A1

公开(公告)日：2025-04-10

申请号：US18883228

申请日：2024-09-12

Applicant: Samsung Display Co., Ltd.

Inventor： Jiyoung Lee ,  Tsuyoshi Naijo ,  Seran Kim ,  Sungsoo Bae ,  Hyosup Shin ,  Changwoong Chu ,  Moran Ha

IPC: H10K85/60 ,  C09K11/02 ,  C09K11/06 ,  H10K50/12 ,  H10K85/30 ,  H10K85/40 ,  H10K101/00 ,  H10K101/25 ,  H10K101/30

Abstract: Embodiments provide a 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. The interlayer includes an emission layer, a first compound that is a hole-transporting compound, a second compound that is an electron-transporting compound, a third compound that is an organometallic compound, and a fourth compound that is a boron-containing compound. The fourth compound has a difference (ΔEST) between a lowest excitation singlet energy level and a lowest excitation triplet energy level less than or equal to about 0.4 eV; and the light-emitting device satisfies Condition 1 or Condition 2, which are explained in the specification: KFRET>Krt  [Condition 1] R0>RDA.  [Condition 2]

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：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.

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.