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公开(公告)号：US20220310921A1
公开(公告)日：2022-09-29
申请号：US17522855
申请日：2021-11-09
Applicant: Samsung Display Co., Ltd.
Inventor： Hyosup SHIN , Soobyung KO , Tsuyoshi NAIJO , Jiyoung LEE
Abstract: A light-emitting device 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, wherein the emission layer includes: a first host, a second host, and a dopant, at least one of the first host and the second host is an organometallic compound, and the first host, the second host, and the dopant satisfy the following Equation (1): |LUMO energy of H2−HOMO energy of H1|≥0.9×T1 energy of D.
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公开(公告)号：US20220190276A1
公开(公告)日：2022-06-16
申请号：US17399013
申请日：2021-08-10
Applicant: Samsung Display Co., Ltd.
Inventor： Tsuyoshi NAIJO , Hyunyoung KIM , Hyosup SHIN , Jiyoung LEE
Abstract: A light-emitting device includes: a first electrode; a second electrode facing the first electrode; an interlayer located between the first electrode and the second electrode and including an emission layer; and an electron transport region located between the emission layer and the second electrode and including: a hole blocking layer; and an electron transport layer, an electron injection layer, or any combination thereof, wherein the emission layer includes a first host, a second host, a first dopant, and a second dopant, and the electron transport region includes a layer including a red dopant compound.
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公开(公告)号：US20210351359A1
公开(公告)日：2021-11-11
申请号：US17277710
申请日：2019-03-12
Applicant: Samsung Display Co., Ltd.
Inventor： Seulong KIM , Jungmin KANG , Tsuyoshi NAIJO , Hyein JEONG , Soungwook KIM
IPC: H01L51/00 , C07D471/06 , C09K11/06
Abstract: An organic light-emitting device includes a condensed cyclic compound represented by Formula 1: The condensed cyclic compound has an electron withdrawing group (EWG) substituent and an electron donating group (EDG) substituent at suitable positions, and thus has a low ΔEST and may be used as an effective thermally activated delayed fluorescence (TADF) light-emitting material.
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公开(公告)号：US20250120250A1
公开(公告)日：2025-04-10
申请号：US18910942
申请日：2024-10-09
Applicant: Samsung Display Co., LTD.
Inventor： Tsuyoshi NAIJO , Hyunyoung KIM , Hyosup SHIN , Jiyoung LEE
IPC: H10K50/18 , H10K50/11 , H10K85/30 , H10K85/40 , H10K85/60 , H10K101/00 , H10K101/10 , H10K101/30
Abstract: A light-emitting device includes: a first electrode; a second electrode facing the first electrode; an interlayer located between the first electrode and the second electrode and including an emission layer; and an electron transport region located between the emission layer and the second electrode and including: a hole blocking layer; and an electron transport layer, an electron injection layer, or any combination thereof, wherein the emission layer includes a first host, a second host, a first dopant, and a second dopant, and the electron transport region includes a layer including a red dopant compound.
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公开(公告)号：US20230225207A1
公开(公告)日：2023-07-13
申请号：US18095093
申请日：2023-01-10
Applicant: Samsung Display Co., Ltd.
Inventor： Jiyoung LEE , Tsuyoshi NAIJO , Jangyeol BAEK , Hyosup SHIN
CPC classification number: H10K85/658 , C07F5/027 , C09K11/06 , H10K50/12
Abstract: Embodiments provide a condensed cyclic compound, a light-emitting device including the condensed cyclic compound, and an electronic apparatus including the light-emitting device. 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 the condensed cyclic compound. The condensed cyclic compound is represented by Formula 1:
The description of Formula 1 is provided in the specification.-
Patent Agency Ranking
公开(公告)号：US20200251663A1
公开(公告)日：2020-08-06
申请号：US16738886
申请日：2020-01-09
Applicant: Samsung Display Co., Ltd.
Inventor： Hyewon CHOI , Sungwook KIM , SeulOng KIM , Tsuyoshi NAIJO , Hyein JEONG , JungMin KANG
Abstract: Provided is an organic electroluminescence device including an emission layer between a first electrode and a second electrode, wherein the emission layer includes a first host represented by Formula 1, a second host which is different from the first host, a first dopant which is a thermally activated delayed fluorescence material having an electron donor and an electron acceptor, and a second dopant represented by Formula 2.
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公开(公告)号：US20150008396A1
公开(公告)日：2015-01-08
申请号：US14156585
申请日：2014-01-16
Applicant: Samsung Display Co., Ltd.
Inventor： Tsuyoshi NAIJO
CPC classification number: H01L51/0097 , H01L27/3244 , H01L27/326 , H01L27/3267 , H01L51/5246 , H01L51/5284 , H01L2251/5338 , Y02E10/549
Abstract: An organic light emitting diode display includes: a flexible substrate configured to be bent at least once; a first display part on the flexible substrate and including a plurality of first light emitting elements; and a second display part on the flexible substrate and including a plurality of second light emitting elements. Each of a first light emitting element and a second light emitting element among the plurality of first and second light emitting elements includes a first electrode, an emission layer and a second electrode, the first electrode of the first light emitting element includes a transparent layer or a semi-transparent layer, the first electrode of the second light emitting element includes a reflective layer, and the second electrode of the first light emitting element and the second light emitting element, includes the transparent layer or the semi-transparent layer.
Abstract translation: 有机发光二极管显示器包括：柔性基板，其被配置为弯曲至少一次; 柔性基板上的第一显示部分，并且包括多个第一发光元件; 以及在所述柔性基板上的第二显示部分，并且包括多个第二发光元件。 多个第一和第二发光元件中的第一发光元件和第二发光元件中的每一个包括第一电极，发射层和第二电极，第一发光元件的第一电极包括透明层或 半透明层，第二发光元件的第一电极包括反射层，第一发光元件和第二发光元件的第二电极包括透明层或半透明层。
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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：US20210036255A1
公开(公告)日：2021-02-04
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: H01L51/50
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.
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公开(公告)号：US20160211484A1
公开(公告)日：2016-07-21
申请号：US14755028
申请日：2015-06-30
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Tsuyoshi NAIJO
CPC classification number: H01L51/5259 , H01L27/3211 , H01L27/3267 , H01L27/3293 , H01L51/0097 , H01L51/5246 , H01L2251/5338 , Y02E10/549 , Y02P70/521
Abstract: An organic light emitting diode display includes a substrate including at least one folding part, two or more emission units parallel to each other and on a same surface of the substrate in an unfolded state of the substrate, the two or more emission units overlapping each other in a folded state of the substrate, and a moisture absorbent on an inner surface of the folding part.
Abstract translation: 有机发光二极管显示器包括：基板，其包括至少一个折叠部分，两个或更多个发射单元彼此平行并且在基板的未折叠状态下的基板的相同表面上，所述两个或更多个发射单元彼此重叠 在所述基板的折叠状态下，在所述折叠部的内表面上具有吸湿性。
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