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公开(公告)号：US12082434B2
公开(公告)日：2024-09-03
申请号：US17361873
申请日：2021-06-29
Applicant: Samsung Display Co., Ltd.
Inventor： Soungwook Kim , Seokgyu Yoon , Kyungsik Kim , Eungdo Kim , Jaejin Lyu , Kunwook Cho , Hyeongu Cho
IPC: H10K50/818
CPC classification number: H10K50/818
Abstract: A light-emitting device including: first and second electrodes facing each other; an emission layer located therebetween; and a charge transport region located between the emission layer and the first electrode. Light emitted from the emission layer passes to the outside through the second electrode, the first electrode is a reflective electrode, the first electrode includes a transparent layer and a reflective layer, a distance between i) an interface between the transparent layer of the first electrode and the charge transport region and ii) an interface between the emission layer and the charge transport region is a first resonance distance of light emitted from the emission layer, and a distance between a) an interface between the reflective layer of the first electrode and the transparent layer of the first electrode and b) an interface between the emission layer and the charge transport region is a second resonance distance of light emitted from the emission layer.
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公开(公告)号：US11793065B2
公开(公告)日：2023-10-17
申请号：US16865180
申请日：2020-05-01
Applicant: Samsung Display Co., Ltd.
Inventor： Hyunyoung Kim , Youngeun Choi , Minje Kim , Eungdo Kim , Hyojeong Kim , Hyosup Shin , Seokgyu Yoon , Youngki Lee , Jungsub Lee , Jiyoung Lee , Hyejin Jung , Kunwook Cho , Hyeongu Cho , Minsoo Choi , Jaejin Lyu
IPC: H10K85/30 , H10K50/11 , H10K50/18 , H10K50/12 , H10K50/84 , H10K85/40 , H10K85/60 , C09K11/06 , H10K50/15 , H10K50/16 , H10K50/17 , H10K101/00
CPC classification number: H10K85/342 , H10K50/11 , H10K50/121 , H10K50/18 , H10K50/841 , H10K85/346 , H10K85/40 , H10K85/631 , H10K85/654 , H10K85/6572 , H10K85/6574 , C09K11/06 , C09K2211/1014 , H10K50/15 , H10K50/16 , H10K50/171 , H10K2101/90
Abstract: An organic light-emitting device and an apparatus including the same are disclosed. The organic light-emitting device includes: a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode. 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 is represented by Formula 1, the second compound is represented by Formula 2A or Formula 2B, the third compound is represented by Formula 3, the fourth compound is represented by any one of Formulae 4-1 to 4-3, each as respectively described in the detailed description.
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公开(公告)号：US11264583B2
公开(公告)日：2022-03-01
申请号：US16852171
申请日：2020-04-17
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Dongkyu Seo , Dongchan Kim , Wonjong Kim , Eungdo Kim , Jihye Lee , Dahea Im , Sanghoon Yim , Yoonhyeung Cho , Wonsuk Han
Abstract: An organic light-emitting device comprising: a first electrode; a second electrode facing the first electrode; a first emission unit, a second emission unit and a third emission unit between the first electrode and the second electrode; a first charge generation layer between the first emission unit and the second emission unit; and a second charge generation layer between the second emission unit and the third emission unit, wherein the first emission unit comprises a first emission layer, the second emission unit comprises a second emission layer, the third emission unit comprises a third emission layer, and at least one of the first emission unit, the second emission unit and the third emission unit comprises an inorganic buffer layer.
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公开(公告)号：US10305059B2
公开(公告)日：2019-05-28
申请号：US16005169
申请日：2018-06-11
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Dongkyu Seo , Dongchan Kim , Wonjong Kim , Eungdo Kim , Jihye Lee , Dahea Im , Sanghoon Yim , Yoonhyeung Cho , Wonsuk Han
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：US09905791B2
公开(公告)日：2018-02-27
申请号：US14831824
申请日：2015-08-20
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Eungdo Kim , Dongchan Kim , Wonjong Kim , Dongkyu Seo , Dahea Im , Sanghoon Yim , Wonsuk Han
CPC classification number: H01L51/5072 , H01L51/0081 , H01L51/5084 , H01L51/5092 , H01L51/5221 , H01L51/5231 , H01L2251/301 , H01L2251/558
Abstract: An organic light-emitting device includes a substrate, an anode on the substrate, a hole transport region on the anode, an emission layer on the hole transport region, an electron transport region on the emission layer, and a cathode on the electron transport region, wherein the electron transport region includes an electron injection layer including a first material including at least one of a halide of an alkali metal, and a second material including at least one of a lanthanide metal and a alkaline earth metal, and wherein the cathode contacts the electron injection layer and includes a first metal including at least one of silver, gold, platinum, copper, manganese, titanium, cobalt, nickel, and tungsten, and a second metal including at least one of a lanthanide metal and an alkaline earth metal, wherein an amount of the first metal is equal to or greater than that of the second metal.
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Patent Agency Ranking
公开(公告)号：US20170125717A1
公开(公告)日：2017-05-04
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
IPC: H01L51/50
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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7.发明公开公开(公告)号：US20240341115A1
公开(公告)日：2024-10-10
申请号：US18597699
申请日：2024-03-06
Applicant: Samsung Display Co., Ltd.
Inventor： Youngki Lee , Yujin Kang , Minje Kim , Seongkeun Kim , Eungdo Kim , Hyunyoung Kim , Hyojeong Kim , Jungsub Lee , Hyunwoo Lee , Mieun Jun
IPC: H10K50/12 , C09K11/06 , H10K50/15 , H10K85/30 , H10K85/60 , H10K101/20 , H10K102/00
CPC classification number: H10K50/121 , C09K11/06 , H10K50/156 , H10K85/342 , H10K85/346 , H10K85/6572 , H10K85/658 , C09K2211/1018 , H10K2101/20 , H10K2102/351
Abstract: A 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 a hole transport region and an emission layer, the hole transport region including a first layer including a compound represented by Formula 1 and a second layer, where a thickness of the emission layer is greater than or equal to about 25% of a thickness of the first layer. In addition, an electronic apparatus and an electronic device each including the light-emitting device are also provided.
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公开(公告)号：US20240292747A1
公开(公告)日：2024-08-29
申请号：US18364157
申请日：2023-08-02
Applicant: Samsung Display Co., Ltd.
Inventor： Eungdo Kim , Yujin Kang , Minje Kim , Seongkeun Kim , Hyunyoung Kim , Hyojeong Kim , Youngki Lee , Jungsub Lee , Hyunwoo Lee , Mieun Jun
CPC classification number: H10K85/6572 , H10K85/40 , H10K85/624 , H10K85/626 , H10K85/636 , H10K85/654 , H10K85/6574 , H10K85/6576 , H10K50/12 , H10K2101/90
Abstract: Embodiments provide a light-emitting device including a first electrode, a second electrode facing the first electrode, m emitting units between the first electrode and the second electrode, and m-1 charge generation layers between adjacent ones of the m emitting units, wherein m is an integer of 3 or more, and the emitting units include a first emitting unit, a second emitting unit, and a third emitting unit. The first emitting unit includes a first-first host and a first-second host, the second emitting unit includes a second-first host and a second-second host, the third emitting unit includes a third-first host and a third-second host, and T1 values of hosts of at least one of a first emitting unit, a second emitting unit, and a third emitting unit are each smaller than T1 values of hosts of the other emitting units.
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公开(公告)号：US20230157041A1
公开(公告)日：2023-05-18
申请号：US17852154
申请日：2022-06-28
Applicant: Samsung Display Co., Ltd.
Inventor： Eungdo Kim , Changwoong Chu , Junha Park , Mieun Jun
CPC classification number: H01L51/5004 , H01L51/5072 , H01L51/0072 , H01L51/0059 , H01L51/0074 , H01L51/0094 , H01L51/0064 , H01L51/0087 , H01L51/0067 , H01L51/0069 , H01L51/008 , H01L51/5092 , H01L51/5024 , H01L51/5056
Abstract: A light-emitting device in which a difference between a highest occupied molecular orbital (HOMO) energy level of a dopant, which has a smaller absolute value of HOMO energy level among a first dopant and a second dopant, and a HOMO energy level of a first host is 0.3 eV or less.
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公开(公告)号：US20220209156A1
公开(公告)日：2022-06-30
申请号：US17553799
申请日：2021-12-17
Applicant: Samsung Display Co., Ltd.
Inventor： Eungdo Kim , Jungsub Lee
Abstract: A light-emitting device includes: a first electrode; a second electrode; and an interlayer between the first electrode and the second electrode and including an emission layer, wherein the emission layer includes a first emission layer and a second emission layer, the first emission layer includes a first host and a first dopant, the second emission layer includes a second host and a second dopant, the first host and the second host each satisfy Condition 1 as defined herein, Compound A, as defined herein, is excluded from the first host, and Compound B, as defined herein, is excluded from the second host:
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