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公开(公告)号：US11411187B2
公开(公告)日：2022-08-09
申请号：US15870587
申请日：2018-01-12
Applicant: Samsung Display Co., Ltd.
Inventor： Sung-Soo Bae , Seul-Ong Kim , Dong-Hyun Kim , Sung-Wook Kim , Tsuyoshi Naijo , Hye-In Jeong , Hwan-Hee Cho
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, the organic layer including an emission layer. The organic layer includes a first compound represented by Formula 1 and a second compound represented by Formula 2. The first compound may be included in an emission layer, and the second compound may be included in an electron transport region.
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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
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.
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公开(公告)号：US09853248B2
公开(公告)日：2017-12-26
申请号：US14657609
申请日：2015-03-13
Applicant: Samsung Display Co., Ltd.
Inventor： Tsuyoshi Naijo
IPC: H01L51/52
CPC classification number: H01L51/5271 , H01L51/5234 , H01L51/524 , H01L2251/5307 , H01L2251/5338 , H01L2251/5361
Abstract: An organic light-emitting illumination apparatus that may be easily manufactured and may provide high-brightness illumination, and a method of manufacturing the same. The organic light-emitting illumination apparatus includes: a first flexible substrate; a first electrode disposed on the first flexible substrate and configured to transmit light; an intermediate layer disposed on the first electrode and including a light emission layer; a second electrode disposed on the intermediate layer and configured to transmit light; a second flexible substrate disposed on the second electrode; and a reflector interposed between the second flexible substrate and the second electrode to correspond to a first region of the second flexible substrate.
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公开(公告)号：US09793494B2
公开(公告)日：2017-10-17
申请号：US14629121
申请日：2015-02-23
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Donghyun Kim , Mikyung Kim , Tsuyoshi Naijo , Sungsoo Bae
CPC classification number: H01L51/0072 , C09B1/00 , C09B3/14 , C09B23/148 , C09B57/00 , C09B57/001 , C09B57/008 , C09B57/02 , C09B57/10 , H01L51/0054 , H01L51/0058 , H01L51/0067 , H01L51/5072 , H01L2251/308
Abstract: An organic light-emitting device including a first electrode; a second electrode; an organic layer 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 including a charge control layer, wherein the charge control layer includes a first compound represented by Formula 1 and a second compound represented by Formula 2:
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公开(公告)号：US09711736B2
公开(公告)日：2017-07-18
申请号：US14513144
申请日：2014-10-13
Applicant: Samsung Display Co., Ltd.
Inventor： Sang-Hyun Han , Soo-Yon Kim , Young-Kook Kim , Seok-Hwan Hwang , Tsuyoshi Naijo
CPC classification number: H01L51/0073 , H01L51/0052 , H01L51/0054 , H01L51/0058 , H01L51/0067 , H01L51/0072 , H01L51/0074 , H01L51/0081 , H01L51/0094 , H01L51/5012 , H01L51/5016 , H01L51/5068 , H01L51/5072 , H01L51/5092
Abstract: A condensed cyclic compound is represented by Formula 1. The components of Formula 1 are described herein. An organic light-emitting device includes the condensed cyclic compound. The organic light-emitting device has improved driving voltage, improved luminance, improved efficiency, and improved half-lifetime, as compared to those of an organic light-emitting device that does not include the condensed cyclic compound.
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Patent Agency Ranking
公开(公告)号：US20140117844A1
公开(公告)日：2014-05-01
申请号：US14021975
申请日：2013-09-09
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Tsuyoshi Naijo
IPC: H05B33/04
CPC classification number: H05B33/04
Abstract: A flexible display device including: a flexible substrate having a display area and a moisture absorption area at a surface; a display unit at the display area; a moisture absorption layer at the moisture absorption area; and a sealant along an edge of the display area and configured to seal the moisture absorption layer and the display unit. The flexible substrate is configured to be folded at least one time, and the display area and the moisture absorption area are opposite to each other.
Abstract translation: 一种柔性显示装置，包括：在表面具有显示区域和吸湿区域的柔性基板; 在显示区域的显示单元; 在吸湿区域的吸湿层; 以及沿着显示区域的边缘的密封剂，并且被配置为密封吸湿层和显示单元。 柔性基板被配置为至少折叠一次，并且显示区域和吸湿区域彼此相反。
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公开(公告)号：US12262629B2
公开(公告)日：2025-03-25
申请号：US17811211
申请日：2022-07-07
Applicant: Samsung Display Co., Ltd.
Inventor： Sung-Soo Bae , Seul-Ong Kim , Dong-Hyun Kim , Sung-Wook Kim , Tsuyoshi Naijo , Hye-In Jeong , Hwan-Hee Cho
IPC: H01L51/00 , C09K11/06 , H10K50/11 , H10K85/30 , H10K85/60 , H10K50/15 , H10K50/16 , H10K50/17 , H10K101/10
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, the organic layer including an emission layer. The organic layer includes a first compound represented by Formula 1 and a second compound represented by Formula 2. The first compound may be included in an emission layer, and the second compound may be included in an electron transport region.
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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
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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19.发明公开公开(公告)号：US20240334729A1
公开(公告)日：2024-10-03
申请号：US18491154
申请日：2023-10-20
Applicant: Samsung Display Co., Ltd.
Inventor： Jiyoung Lee , Makoto Yamamoto , Tsuyoshi Naijo , Toshiyuki Matsuura , Sungsoo Bae , Hojung Syn , Hyosup Shin , Heechoon Ahn , Changwoong Chu
IPC: H10K50/135 , H10K50/155 , H10K50/16 , H10K85/30 , H10K85/40 , H10K85/60
CPC classification number: H10K50/135 , H10K50/155 , H10K50/16 , H10K85/346 , H10K85/40 , H10K85/631 , H10K85/654 , H10K85/6572 , H10K85/658 , H10K2101/25
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 compound, a second compound, a transition metal-containing compound, and a delayed fluorescence compound, the first compound being a hole transport material, and the second compound being an electron transport material, the first compound and the second compound form an exciplex, the first compound, the second compound, or any combination thereof is substituted with at least one deuterium, and an absolute value of a triplet charge transfer state-singlet ground state non-radiative decay rate constant of a mixture of the first compound and the second compound is decreased, compared to a case in which the first compound, the second compound, or any combination thereof is not substituted with deuterium.
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公开(公告)号：US20240298457A1
公开(公告)日：2024-09-05
申请号：US18465294
申请日：2023-09-12
Applicant: Samsung Display Co., Ltd.
Inventor： Sungsoo Bae , Tsuyoshi Naijo , Hojung Syn , Hyosup Shin , Jiyoung Lee , Changwoong Chu
CPC classification number: H10K50/12 , H10K50/15 , H10K50/181 , H10K85/342 , H10K85/346
Abstract: Embodiments provide a light-emitting device that include 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, and the emission layer includes a first emission layer and a second emission layer. The first emission layer includes a first host and a first-first dopant, or a first host, a first-first dopant, and a first-second dopant. The second emission layer includes a second host and a second-first dopant, or a second host, a second-first dopant, and a second-second dopant. The emission layer includes the first-second dopant and/or the second-second dopant, the first emission layer and the second emission layer directly contact each other, and a thickness of the second emission layer is greater than a thickness of the first emission layer.
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