公开(公告)号：US12171142B2

公开(公告)日：2024-12-17

申请号：US17393958

申请日：2021-08-04

Applicant: Samsung Display Co., Ltd.

Inventor： Seulong Kim ,  Eungyoung Park ,  Jiyoung Song

IPC: C09K11/06 ,  C07F5/02 ,  H10K85/60 ,  H10K50/11 ,  H10K59/35 ,  H10K101/10

Abstract: A light emitting device includes a first electrode, a second electrode facing the first electrode, and at least one emission layer disposed between the first electrode and the second electrode. The at least one emission layer includes a polycyclic compound represented by Formula 1, thereby exhibiting long service life characteristics.

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：US11818947B2

公开(公告)日：2023-11-14

申请号：US17029003

申请日：2020-09-22

Applicant: Samsung Display Co., Ltd.

Inventor： Seulong Kim ,  Heungsu Park

IPC: H10K85/60 ,  C07D251/24 ,  C07D239/26 ,  C07D403/10 ,  C07D231/56 ,  H10K50/11 ,  H10K50/18 ,  H10K50/115 ,  H10K101/10

CPC classification number: H10K85/654 ,  C07D231/56 ,  C07D239/26 ,  C07D251/24 ,  C07D403/10 ,  H10K85/6572 ,  H10K50/11 ,  H10K50/115 ,  H10K50/18 ,  H10K2101/10

Abstract: Disclosed are an organic light-emitting device including a first compound represented by Formula 1 below and a second compound represented by Formula 2 below, and an electronic apparatus including the organic light-emitting device. The variables in Formula 1 and Formula 2 are the same as described in the present specification.

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：US11569454B2

公开(公告)日：2023-01-31

申请号：US16813539

申请日：2020-03-09

Applicant: Samsung Display Co., Ltd.

Inventor： Jaeyong Lee ,  Taekyung Kim ,  Minkyung Kim ,  Seulong Kim ,  Pilgu Kang ,  Jiyoung Kwon ,  Soonchul Chang ,  Jaehoon Hwang

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

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 facing the first electrode; and an organic layer between the first electrode and the second electrode and including at least one light-emitting unit, wherein the at least one light-emitting unit includes: an emission layer; and a hole transport region between the first electrode and the emission layer and including a first hole transport (HT) layer, the emission layer includes a host, the first HT layer includes a first compound, a minimum bond dissociation energy (BDE1HT) of the first compound is larger than a triplet energy (T1,host) of the host, and a minimum bond dissociation energy (BDEhost) of the host is larger than the triplet energy (T1,host) of the host.

公开(公告)号：US11414430B2

公开(公告)日：2022-08-16

申请号：US16514854

申请日：2019-07-17

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Seulong Kim ,  Sunwoo Kang ,  Pilgu Kang ,  Jiyoung Kwon ,  Taekyung Kim ,  Soonchul Chang ,  Dahye Cho

IPC: C07D519/00 ,  H01L51/00 ,  H01L51/50

Abstract: A condensed cyclic compound is represented by Formula 1. An organic light-emitting device includes: a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode and comprising an emission layer, the organic layer including the condensed cyclic compound represented by Formula 1. A display apparatus includes: a thin-film transistor comprising a source electrode, a drain electrode, and an active layer; and the organic light-emitting device.

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：US11335857B2

公开(公告)日：2022-05-17

申请号：US16677576

申请日：2019-11-07

Applicant: Samsung Display Co., Ltd.

Inventor： Seulong Kim ,  Pilgu Kang ,  Jiyoung Kwon ,  Taekyung Kim ,  Soon-Chul Chang

IPC: H01L51/50 ,  H01L51/00 ,  C07C15/28 ,  C07D213/06 ,  C09K11/06 ,  H01L27/32 ,  H01L51/52

Abstract: Provided are an organic electroluminescence device and a display device including the same. The organic electroluminescence device includes a polycyclic compound represented by Formula 1 in a hole blocking layer and at least one of a first light emitting layer and an electron transport layer, wherein each of Y1 to Y5 and Y11 to Y15 is independently CH or N, at least four of Y1 to Y5 are CH, at least four of Y11 to Y15 are CH, and R1, R2, and R3 are as disclosed in the description.

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.