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21.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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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
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.
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公开(公告)号：US20210098713A1
公开(公告)日：2021-04-01
申请号：US16904419
申请日：2020-06-17
Applicant: Samsung Display Co., Ltd.
Inventor： Hyewon CHOI , Tsuyoshi Naijo , Yunjee Park , Sung-Soo Bae , Dongchan Lee
Abstract: An organic electroluminescence device of the present embodiments includes a first electrode, a second electrode on the first electrode, and a first emission layer and a second emission layer, both between the first electrode and the second electrode, wherein the first emission layer includes a first host and a first dopant including an anthracene-based compound, the second emission layer includes a second host represented by Formula H-1 and a second dopant including an organometal compound, and the first emission layer and the second emission layer are adjacent to each other. The device of the present embodiments thereby shows high emission efficiency and long-life characteristics.
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公开(公告)号：US10673006B2
公开(公告)日：2020-06-02
申请号：US15957667
申请日：2018-04-19
Applicant: Samsung Display Co., Ltd.
Inventor： Sung Wook Kim , Sung-Soo Bae , Hye In Jeong , Dong Hyun Kim , Seul Ong Kim , Tsuyoshi Naijo , Hwan Hee Cho
Abstract: An organic light emitting device includes: a first electrode; a second electrode that overlaps the first electrode; and an organic layer that is disposed between the first electrode and the second electrode, wherein the organic layer comprises a hole transport region that includes a hole transport material and a p-dopant, and wherein when a doping amount of the p-dopant doped to the hole transport region exceeds 1 wt %, the following Equation 1 is satisfied, while when the doping amount of the p-dopant is 1 wt % or less than 1 wt %, the following Equation 2 is satisfied: HOMO_HTM−LUMO_p-dopant −0.05 eV [Equation 2] In Equation 1 and Equation 2, HOMO_HTM denotes HOMO energy of the hole transport material and LUMO_p-dopant denotes LUMO energy of the p-dopant.
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Patent Agency Ranking
公开(公告)号：US09171890B2
公开(公告)日：2015-10-27
申请号：US14065560
申请日：2013-10-29
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Tsuyoshi Naijo
CPC classification number: H01L27/3218 , H01L27/3244 , H01L27/3267 , H01L51/0097 , Y02E10/549 , Y02P70/521
Abstract: An organic light emitting diode display includes a substrate having three folded portions overlapping each other, and a first light emitting unit, a second light emitting unit, and a third light emitting unit on respective ones of the three folded portions of the substrate, the first through third light emitting units overlapping each other and emitting different colors, wherein the first through third light emitting units are on a same surface of the substrate, when the substrate is unfolded to have the three folded portions substantially planar.
Abstract translation: 有机发光二极管显示器包括具有三个彼此重叠的折叠部分的基板，以及在基板的三个折叠部分中的相应的一个上的第一发光单元，第二发光单元和第三发光单元，第一 通过第三发光单元彼此重叠并发射不同的颜色，其中当基板展开以使三个折叠部分基本上平面时，第一至第三发光单元位于基板的相同表面上。
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公开(公告)号：US20150041766A1
公开(公告)日：2015-02-12
申请号：US14104224
申请日：2013-12-12
Applicant: Samsung Display Co., Ltd.
Inventor： Tsuyoshi Naijo
IPC: H01L27/32
CPC classification number: H01L27/3244 , H01L27/326 , H01L27/3267 , H01L51/0097 , H01L51/5246 , H01L2251/5338
Abstract: The present invention relates to an organic light emitting diode display, and in order to improve luminance, the organic light emitting diode display includes a flexible substrate bent at least one time, a first display unit positioned on the flexible substrate and including a plurality of first light emitting diodes, and a second display unit positioned on the flexible substrate and including a plurality of second light emitting diodes, in which a width of each second light emitting diode is larger than the width of each first light emitting diode.
Abstract translation: 本发明涉及有机发光二极管显示器，并且为了提高亮度，有机发光二极管显示器包括至少弯曲至少一次的柔性基板，位于柔性基板上的第一显示单元，并且包括多个第一 发光二极管和第二显示单元，其位于柔性基板上并且包括多个第二发光二极管，其中每个第二发光二极管的宽度大于每个第一发光二极管的宽度。
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公开(公告)号：US12274117B2
公开(公告)日：2025-04-08
申请号：US17399013
申请日：2021-08-10
Applicant: Samsung Display Co., Ltd.
Inventor： Tsuyoshi Naijo , Hyunyoung Kim , Hyosup Shin , Jiyoung Lee
IPC: H01L51/50 , H10K50/11 , H10K50/18 , 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：US12219789B2
公开(公告)日：2025-02-04
申请号：US16992837
申请日：2020-08-13
Applicant: Samsung Display Co., Ltd.
Inventor： Seulong Kim , Tsuyoshi Naijo , Yunjee Park , Sungsoo Bae , Dongchan Lee , Hyewon Choi
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, wherein the organic layer includes an emission layer, a first auxiliary layer, a second auxiliary layer, and an electron transport layer, the first auxiliary layer and the second auxiliary layer are disposed between the emission layer and the electron transport layer, the first auxiliary layer includes a first compound including a carbocyclic group that has three or more rings, and the second auxiliary layer includes: (i) a second compound that is a bipolar compound, (ii) a third compound that is a hole transport compound and a fourth compound that is an electron transport compound, or (iii) the second compound that is the bipolar compound and the fourth compound that is the electron transport compound.
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公开(公告)号：US20240155861A1
公开(公告)日：2024-05-09
申请号：US18335401
申请日：2023-06-15
Applicant: Samsung Display Co., LTD.
Inventor： Tsuyoshi Naijo , Yunjee Park , Sungsoo Bae , Hojung Syn , Hyosup Shin , Jiyoung Lee , Changwoong Chu
CPC classification number: H10K50/13 , C07F15/0086 , H10K50/12 , H10K50/15 , H10K50/16 , H10K85/346 , H10K2101/90
Abstract: Embodiments provide an organic light-emitting device and an electronic apparatus including the organic light-emitting device. The organic light-emitting device includes a first electrode, a second electrode facing the first electrode, m light-emitting units stacked between the first electrode and the second electrode and each including an emission layer, and m−1 charge generation layers between adjacent ones of the m light-emitting units, wherein m is an integer of 2 or more, at least one of the emission layers of the light-emitting units includes a first emission layer and a second emission layer, the first emission layer includes a first host, a second host, a first dopant, and a second dopant, the second emission layer includes a third host and a third dopant.
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