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公开(公告)号：US20230180605A1
公开(公告)日：2023-06-08
申请号：US18073396
申请日：2022-12-01
Applicant: Samsung Display Co., Ltd.
Inventor： Byungseok Lee , Soobyung Ko , Seokgyu Yoon , Minsoo Choi
IPC: H01L51/00
CPC classification number: H01L51/0072 , H01L27/288 , H01L51/4253
Abstract: An organic photodetector includes a first electrode, a second electrode facing the first electrode, and an activation layer between the first electrode and the second electrode, wherein the activation layer includes a compound represented by Formula 1. An electronic apparatus includes the organic photodetector. In Formula 1, R1 to R6 and a3 to a6 are as described in the specification.
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公开(公告)号：US11527725B2
公开(公告)日：2022-12-13
申请号：US16859894
申请日：2020-04-27
Applicant: Samsung Display Co., Ltd.
Inventor： Hyojeong Kim , Minje Kim , Eungdo Kim , Hyunyoung Kim , Hyosup Shin , Seokgyu Yoon , Youngki Lee , Jungsub Lee , Jiyoung Lee , Hyejin Jung , Kunwook Cho , Hyeongu Cho , Minsoo Choi , Youngeun Choi , Jaejin Lyu
Abstract: An organic light-emitting device having improved efficiency and lifespan 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, a third compound, and a fourth compound, the first compound, the second compound, the third compound, and the fourth compound are different from each other, the third compound includes a metal element having an atomic number of 40 or more, the fourth compound includes boron (B), the third compound and the fourth compound each satisfy Conditions 1-1 and 1-2 below, and the fourth compound satisfies Condition 2 or 3: T1(C3)onset≥S1(C4)onset Condition 1-1 T1(C3)max≥S1(C4)max Condition 1-2 KRISC(C4)≥103S−1 Condition 2 f(C4)≥0.1. Condition 3
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Patent Agency Ranking
公开(公告)号：US11417865B2
公开(公告)日：2022-08-16
申请号：US16544857
申请日：2019-08-19
Applicant: Samsung Display Co., Ltd.
Inventor： Hyosup Shin , Seokgyu Yoon
Abstract: An organic light-emitting device including an emission layer that is adjacent to a hole blocking layer or an electron blocking layer and includes a thermally activated delayed fluorescence (TADF) emission dopant.
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公开(公告)号：US20220231253A1
公开(公告)日：2022-07-21
申请号：US17451624
申请日：2021-10-20
Applicant: Samsung Display Co., Ltd.
Inventor： Hyeongpil Kim , Jungmin Kang , Kyungsik Kim , Seokgyu Yoon , Jaeyong Lee , Kunwook Cho
Abstract: A light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an interlayer located between the first electrode and the second electrode and including an emission layer, wherein the interlayer includes a hole transport region located between the first electrode and the emission layer, the hole transport region includes a hole injection layer, the first electrode includes a conductive oxide and a first inorganic material, and the hole injection layer includes a second inorganic material. An electronic apparatus includes the light-emitting device.
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公开(公告)号：US20220131108A1
公开(公告)日：2022-04-28
申请号：US17508480
申请日：2021-10-22
Applicant: Samsung Display Co., Ltd
Inventor： Myoungjin PARK , Changhee Lee , Jaehong Park , Jingoo Kang , Seokgyu Yoon , Jaeyong Lee
Abstract: A light-emitting device includes: a first electrode; a second electrode; an interlayer between the first electrode and the second electrode and including an emission layer; a hole transport region between the first electrode and the emission layer; and an electron transport region between the second electrode and the emission layer, wherein the first electrode is a multi-layered electrode including: a first layer including a first material, a second layer disposed on the first layer and including a second material, and a third layer between the second layer and the hole transport region and including a third material, wherein a first surface of the third layer contacts the second layer, and a second surface of the third layer facing the first surface directly contacts the hole transport region, and the third material has a work function of greater than about 4.8 eV and less than or equal to about 6.8 eV.
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公开(公告)号：US09847491B2
公开(公告)日：2017-12-19
申请号：US15140379
申请日：2016-04-27
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Jinsoo Hwang , Seokgyu Yoon , Hyein Jeong
CPC classification number: H01L51/0061 , H01L51/0052 , H01L51/006 , H01L51/0072 , H01L51/0073 , H01L51/0085 , H01L51/5064
Abstract: An organic light-emitting device including: a first electrode; a second electrode; an emission layer between the first electrode and the second electrode; and a hole transport region between the first electrode and the emission layer, wherein the hole transport region comprises a first compound represented by Formula 1 and a second compound represented by Formula 2: When the first compound represented by Formula 1 and the second compound represented by Formula 2 are used in the hole transport layer and the hole auxiliary layer, respectively, an organic light-emitting device may have improved driving voltage, efficiency, brightness, and lifespan characteristics.
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公开(公告)号：US20160322581A1
公开(公告)日：2016-11-03
申请号：US15143452
申请日：2016-04-29
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Jinsoo Hwang , Seokgyu Yoon , Hyein Jeong
IPC: H01L51/00
CPC classification number: H01L51/0061 , C09B1/00 , C09B57/00 , C09B57/008 , C09B57/10 , C09K11/06 , H01L51/0052 , H01L51/0054 , H01L51/0056 , H01L51/0058 , H01L51/006 , H01L51/0067 , H01L51/0072 , H01L51/0073 , H01L51/0074 , H01L51/0085 , H01L51/5024 , H01L51/506 , H01L51/5064 , H01L51/5206 , H01L51/5221 , H01L2251/308
Abstract: According to one or more embodiments, an organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; an emission layer between the first electrode and the second electrode; and a hole transport region between the first electrode and the emission layer. The hole transport region includes a first compound represented by Formula 1A and a second compound represented by Formula 1B:
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