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公开(公告)号：US12133402B2
公开(公告)日：2024-10-29
申请号：US18340664
申请日：2023-06-23
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Dongkyu Seo , Dongchan Kim , Wonjong Kim , Eungdo Kim , Jihye Lee , Dahea Im , Sanghoon Yim , Yoonhyeung Cho , Wonsuk Han
IPC: H10K50/13 , H10K50/11 , H10K50/15 , H10K50/17 , H10K50/18 , H10K71/00 , H10K85/30 , H10K85/60 , H10K101/10 , H10K102/00
CPC classification number: H10K50/131 , H10K50/11 , H10K50/15 , H10K50/17 , H10K50/18 , H10K71/00 , H10K85/30 , H10K85/324 , H10K85/341 , H10K85/342 , H10K85/346 , H10K85/348 , H10K85/381 , H10K85/60 , H10K85/615 , H10K85/622 , H10K85/623 , H10K85/624 , H10K85/626 , H10K85/631 , H10K85/633 , H10K85/636 , H10K85/653 , H10K85/654 , H10K85/657 , H10K85/6572 , H10K85/6574 , H10K85/6576 , H10K2101/10 , H10K2102/00
Abstract: An organic light-emitting device including: a first electrode; a second electrode facing the first electrode; a first emission unit and a second emission unit between the first electrode and the second electrode; and a first charge generation layer between the first emission unit and the second emission unit; wherein the first emission unit includes a first emission layer and a first inorganic buffer layer, and the second emission unit includes a second emission layer and a second inorganic buffer layer.
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公开(公告)号：US20230345754A1
公开(公告)日：2023-10-26
申请号：US18340664
申请日：2023-06-23
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Dongkyu Seo , Dongchan Kim , Wonjong Kim , Eungdo Kim , Jihye Lee , Dahea Im , Sanghoon Yim , Yoonhyeung Cho , Wonsuk Han
IPC: H10K50/13
CPC classification number: H10K50/131 , H10K50/11
Abstract: An organic light-emitting device including: a first electrode; a second electrode facing the first electrode; a first emission unit and a second emission unit between the first electrode and the second electrode; and a first charge generation layer between the first emission unit and the second emission unit; wherein the first emission unit includes a first emission layer and a first inorganic buffer layer, and the second emission unit includes a second emission layer and a second inorganic buffer layer.
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公开(公告)号：US11737299B2
公开(公告)日：2023-08-22
申请号：US17649548
申请日：2022-01-31
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Dongkyu Seo , Dongchan Kim , Wonjong Kim , Eungdo Kim , Jihye Lee , Dahea Im , Sanghoon Yim , Yoonhyeung Cho , Wonsuk Han
IPC: H01L51/00 , H01L51/50 , H01L51/56 , H10K50/13 , H10K50/11 , H10K50/15 , H10K50/17 , H10K50/18 , H10K71/00 , H10K85/30 , H10K85/60 , H10K101/10 , H10K102/00
CPC classification number: H10K50/131 , H10K50/11 , H10K50/15 , H10K50/17 , H10K50/18 , H10K71/00 , H10K85/30 , H10K85/324 , H10K85/341 , H10K85/342 , H10K85/346 , H10K85/348 , H10K85/381 , H10K85/60 , H10K85/615 , H10K85/622 , H10K85/623 , H10K85/624 , H10K85/626 , H10K85/631 , H10K85/633 , H10K85/636 , H10K85/653 , H10K85/654 , H10K85/657 , H10K85/6572 , H10K85/6574 , H10K85/6576 , H10K2101/10 , H10K2102/00
Abstract: An organic light-emitting device including: a first electrode; a second electrode facing the first electrode; a first emission unit and a second emission unit between the first electrode and the second electrode; and a first charge generation layer between the first emission unit and the second emission unit; wherein the first emission unit includes a first emission layer and a first inorganic buffer layer, and the second emission unit includes a second emission layer and a second inorganic buffer layer.
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公开(公告)号：US11653517B2
公开(公告)日：2023-05-16
申请号：US17033772
申请日：2020-09-26
Applicant: Samsung Display Co., Ltd.
Inventor： Dongchan Kim , Jiyoung Moon , Heechang Yoon , Jihye Lee , Hakchoong Lee , Haemyeong Lee , Yoonhyeung Cho , Myungsuk Han , Jihwan Yoon , Jonghyuk Lee
CPC classification number: H01L51/5056 , H01L27/322 , H01L27/3244 , H01L51/5016 , H01L51/5072 , H01L51/5092 , H01L51/5096 , H01L51/56
Abstract: A light-emitting device includes a first electrode; a second electrode facing the first electrode; m emission units between the first electrode and the second electrode; and m−1 charge-generating unit(s) between adjacent ones of the emission units, where m is a natural number of 2 or more. The emission units each include an emission layer. At least one of the charge-generating unit(s) includes an n-type charge-generating layer and a p-type charge-generating layer; and the n-type charge-generating layer includes a first material and a second material. The first material includes an organic electron transport compound; and the second material includes at least one selected from an alkali metal, an alkali metal alloy, an alkaline earth metal, an alkaline earth metal alloy, a lanthanide metal, and a lanthanide metal alloy. The light-emitting device may have improved hole and electron balance, a decreased driving voltage, and excellent efficiency and/or lifespan characteristics.
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公开(公告)号：US20220209157A1
公开(公告)日：2022-06-30
申请号：US17483675
申请日：2021-09-23
Applicant: Samsung Display Co., Ltd.
Inventor： Hakchoong Lee , Jihye Lee , Myungsuk Han , Dongchan Kim , Yoonseok Ka , Jiyoung Moon
Abstract: A display apparatus including a pixel electrode disposed on a substrate, an opposite electrode disposed to face the pixel electrode, a first emission layer and a second emission layer disposed on the first emission layer and overlapping each other between the pixel electrode and the opposite electrode, and a charge generation layer disposed between the first emission layer and the second emission layer, in which the charge generation layer includes an n-type charge generation layer, a p-type charge generation layer, and a metal interlayer disposed between the n-type charge generation layer and the p-type charge generation layer, and the metal interlayer includes metal having a work function of about −6.0 eV to about −3.5 eV.
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Patent Agency Ranking
公开(公告)号：US20190267556A1
公开(公告)日：2019-08-29
申请号：US16286327
申请日：2019-02-26
Applicant: Samsung Display Co., Ltd.
Inventor： Dongchan Kim , Wonjong Kim , Dongkyu Seo , Myungchul Yeo , Hyungseok Jang , Yoonhyeung Cho
Abstract: An electronic apparatus and a lighting apparatus are provided. The apparatus includes a light-emitting device that has an intermediate layer between two electrodes, wherein the intermediate layer includes an emission layer having a perovskite compound represented by one of the following formulas: 1) [A][B1n1B2(1-n1)][X]3, 2) [A]2[B1n2B2(1-n2)][X]4, 3) [A]3[B1n2B2(1-n2)]2[X]7, and 4) [A]4[B1n2B2(1-n2)]3[X]10, wherein, in Formula 1), A is at least one monovalent organic-cation, a monovalent inorganic cation, or any combination thereof, B1 is a Sm2+ ion, B2 is at least one divalent inorganic cation and does not include a Sm2+ ion, n1 is a real number satisfying 0
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公开(公告)号：US20190221707A1
公开(公告)日：2019-07-18
申请号：US16362388
申请日：2019-03-22
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Yisu Kim , Dongchan Kim , Eungseok Park , Wonmin Yun , Byoungduk Lee , Yongchan Ju
CPC classification number: H01L33/06 , B82Y20/00 , H01L33/16 , H01L33/42 , H01L51/502
Abstract: A quantum dot light-emitting device includes: a first electrode; a second electrode opposite to the first electrode; an emission layer between the first electrode and the second electrode, the emission layer including quantum dots; and an inorganic layer between the emission layer and the second electrode, the inorganic layer including a metal halide.
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公开(公告)号：US10236455B2
公开(公告)日：2019-03-19
申请号：US15223514
申请日：2016-07-29
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Wonsuk Han , Dongchan Kim , Wonjong Kim , Eungdo Kim , Dongkyu Seo , Jihye Lee , Dahea Im , Sanghoon Yim , Yoonhyeung Cho
Abstract: An organic light-emitting device is provided to have high efficiency and long lifespan. The organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; an emission layer disposed between the first electrode and the second electrode and including a host and a dopant; an electron blocking layer disposed between the first electrode and the emission layer; and an electron transport region disposed between the emission layer and the second electrode, in which the electron blocking layer includes a metal halide, a metal oxide, or a combination thereof, and the actually measured lowest unoccupied molecular orbital (LUMO) value of the electron blocking layer is greater than the actually measured LUMO value of the host in the emission layer.
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公开(公告)号：US09997733B2
公开(公告)日：2018-06-12
申请号：US15173336
申请日：2016-06-03
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Dongkyu Seo , Dongchan Kim , Wonjong Kim , Eungdo Kim , Jihye Lee , Dahea Im , Sanghoon Yim , Yoonhyeung Cho , Wonsuk Han
CPC classification number: H01L51/5044 , H01L51/005 , H01L51/0052 , H01L51/0054 , H01L51/0055 , H01L51/0056 , H01L51/0058 , H01L51/0059 , H01L51/006 , H01L51/0061 , H01L51/0065 , H01L51/0067 , H01L51/0071 , H01L51/0072 , H01L51/0073 , H01L51/0074 , H01L51/0077 , H01L51/0081 , H01L51/0084 , H01L51/0085 , H01L51/0087 , H01L51/0088 , H01L51/0092 , H01L51/5012 , H01L51/5016 , H01L51/5056 , H01L51/5088 , H01L51/5096 , H01L51/56 , H01L2251/301
Abstract: An organic light-emitting device including: a first electrode; a second electrode facing the first electrode; a first emission unit and a second emission unit between the first electrode and the second electrode; and a first charge generation layer between the first emission unit and the second emission unit; wherein the first emission unit includes a first emission layer and a first inorganic buffer layer, and the second emission unit includes a second emission layer and a second inorganic buffer layer.
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公开(公告)号：US20180047928A1
公开(公告)日：2018-02-15
申请号：US15588134
申请日：2017-05-05
Applicant: Samsung Display Co., Ltd.
Inventor： Yisu Kim , Dongchan Kim , Byoungduk Lee , Yoonhyeung Cho
IPC: H01L51/50 , C09K11/06 , H01L51/00 , C07C211/63
CPC classification number: H01L51/5036 , C07C211/63 , C09K11/06 , C09K11/584 , C09K11/7732 , C09K11/883 , C09K2211/10 , C09K2211/182 , H01L51/0077 , H01L51/502 , H05B33/14
Abstract: A light-emitting device is provided. The light emitting device includes a first electrode, second electrode facing the first electrode, and an emission layer between the first electrode and the second electrode. The emission layer includes at least one perovskite compound, a first quantum dot, and a second quantum dot. The first quantum dot and the second quantum dot may be different from each other.
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