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：US20240130226A1

公开(公告)日：2024-04-18

申请号：US18509807

申请日：2023-11-15

Applicant: Samsung Display Co., LTD.

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

IPC: H10K85/60 ,  H10K85/30

CPC classification number: H10K85/633 ,  H10K85/342 ,  H10K85/615 ,  H10K85/626 ,  H10K85/636 ,  H10K85/654 ,  H10K85/6572 ,  H10K85/6574 ,  H10K50/11

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.

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：US11302871B2

公开(公告)日：2022-04-12

申请号：US16556715

申请日：2019-08-30

Applicant: Samsung Display Co., Ltd.

Inventor： Jaeweon Hur ,  Soungwook Kim ,  Seulong Kim

IPC: H01L51/00 ,  C07D209/88 ,  H01L51/52 ,  H01L51/50 ,  H01L27/32

Abstract: Provided are an organic light-emitting device including a capping layer including an amine-based compound represented by a set or predetermined formula and a radical scavenger, and a light-emitting apparatus including the organic light-emitting device. The 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 including an emission layer a capping layer on the second electrode, wherein the capping layer includes the amine-based compound.

公开(公告)号：US09741307B2

公开(公告)日：2017-08-22

申请号：US14848481

申请日：2015-09-09

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Kyungho Park ,  Young Gu Kim ,  Suji Park ,  Yeongrong Park ,  Baekkyun Jeon ,  Min-Sik Jung ,  Jaeweon Hur

IPC: G09G3/36

CPC classification number: G09G3/3648 ,  G09G3/3614 ,  G09G2300/0434 ,  G09G2320/0238 ,  G09G2320/0257 ,  G09G2320/041

Abstract: A display apparatus includes a timing controller for converting data values of black image signals to have one polarity with respect to a common voltage and for converting data values of low gray scale image signals to have one polarity with respect to the common voltage, a data driver for converting the image signals outputted from the timing controller into data voltages, and a plurality of pixels for receiving the data voltages in response to gate signals to display an image. The low gray scale image signals displays a gray scale equal to or less than a reference gray scale at a surrounding temperature lower than a reference temperature.