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公开(公告)号:US11856839B2
公开(公告)日:2023-12-26
申请号:US17038768
申请日:2020-09-30
Applicant: Samsung Display Co., Ltd.
Inventor: Dongchan Kim , Jiyoung Moon , Jihwan Yoon , Donghui Lee , Jihye Lee , Chulsoon Lee , Hakchoong Lee , Haemyeong Lee , Yoonhyeung Cho , Wonsuk Han
CPC classification number: H10K85/342 , C09K11/06 , H10K85/346 , C09K2211/185 , H10K50/11 , H10K50/15 , H10K50/16 , H10K50/17 , H10K50/171 , H10K50/18
Abstract: A light-emitting device and a method of manufacturing the same are provided. The light-emitting device may include a first electrode, a second electrode, and an interlayer located between the first electrode and the second electrode. The interlayer may include an emission layer that includes a first material, a second material, and a third material. The first material may include an inorganic semiconductor compound, an inorganic insulator compound, or any combination thereof. The second material may include a lanthanide metal. The third material may include an organic compound. An apparatus including the light-emitting device is provided.
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公开(公告)号:US11825670B2
公开(公告)日:2023-11-21
申请号:US17031828
申请日:2020-09-24
Applicant: Samsung Display Co., Ltd.
Inventor: Wonsuk Han , Donghui Lee , Hakchoong Lee , Dongchan Kim , Jiyoung Moon , Jihye Lee , Chulsoon Lee , Haemyeong Lee , Yoonhyeung Cho
IPC: H10K50/11 , H10K50/16 , H10K50/17 , H10K50/18 , H10K50/19 , H10K50/155 , H10K50/15 , H10K59/123 , H10K85/60 , H10K101/40 , H10K101/10 , H10K102/00
CPC classification number: H10K50/11 , H10K50/155 , H10K50/156 , H10K50/16 , H10K50/17 , H10K50/171 , H10K50/18 , H10K50/19 , H10K59/123 , H10K85/624 , H10K85/626 , H10K2101/10 , H10K2101/40 , H10K2102/00 , H10K2102/351
Abstract: An organic light-emitting device includes an auxiliary layer located between a first electrode and a hole injection layer or a hole transport layer and including a metal fluoride. The metal of the metal fluoride may be a Group III metal having a high work function of 3.8 eV or more. The hole injection barrier at the interface between the first electrode and the hole injection layer may be adjusted by the fluoride of the high work function metal in the auxiliary layer so that the electron-hole charge balance and the efficiency of the organic light-emitting device may be improved.
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公开(公告)号:US11700737B2
公开(公告)日:2023-07-11
申请号:US16895842
申请日:2020-06-08
Applicant: Samsung Display Co., Ltd.
Inventor: Dongchan Kim , Jiyoung Moon , Donghui Lee , Jihye Lee , Chulsoon Lee , Hakchoong Lee , Haemyeong Lee , Wonsuk Han , Jihwan Yoon , Yoonhyeung Cho
IPC: H01L51/52 , H10K50/19 , H10K50/13 , H10K59/38 , H10K59/123 , H10K50/15 , H10K50/16 , H10K50/17 , H10K71/00 , H10K85/30 , H10K85/60 , H10K101/30 , H10K102/00
CPC classification number: H10K50/19 , H10K50/13 , H10K59/123 , H10K59/38 , H10K50/15 , H10K50/16 , H10K50/17 , H10K50/171 , H10K71/00 , H10K85/30 , H10K85/322 , H10K85/615 , H10K85/626 , H10K85/633 , H10K85/636 , H10K85/654 , H10K85/6572 , H10K85/6574 , H10K2101/30 , H10K2102/331 , H10K2102/351
Abstract: A light-emitting device includes: a first electrode; a second electrode facing the first electrode; light-emitting units in the number of n between the first electrode and the second electrode; and a charge-generation unit(s) in the number of n−1 between the adjacent light-emitting units. The light-emitting units each include an emission layer, and at least one of the charge-generation unit(s) includes an n-type charge-generation layer, a p-type charge-generation layer, and an interlayer between the n-type charge-generation layer and the p-type charge-generation layer. The p-type charge-generation layer includes a first material and a second material, the first material includes a hole-transporting organic compound, an inorganic insulation compound, or any combination thereof, the second material includes at least one inorganic semiconductor compound, the interlayer comprises a third material, and the third material is selected from an organic compound, an inorganic semiconductor compound, and an inorganic insulation compound.
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公开(公告)号:US20220344595A1
公开(公告)日:2022-10-27
申请号:US17544866
申请日:2021-12-07
Applicant: Samsung Display Co., Ltd.
Inventor: Heechang Yoon , Dongchan Kim , Yoonseok Ka , Jiyoung Moon , Haemyeong Lee , Yoonhyeung Cho
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 a first layer, wherein the first electrode has a work function value of about −5.5 eV to about −6.1 eV, and the interlayer includes a second layer doped with a non-lead-based perovskite compound.
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公开(公告)号:US10797250B2
公开(公告)日:2020-10-06
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:US10476036B2
公开(公告)日:2019-11-12
申请号:US15713407
申请日:2017-09-22
Applicant: Samsung Display Co., Ltd.
Inventor: Jihye Lee , Dongchan Kim , Donghoon Kim , Wonjong Kim , Jiyoung Moon , Dongkyu Seo , Dahea Im , Sanghoon Yim , Yoonhyeung Cho , Wonsuk Han
Abstract: An organic light emitting diode display device includes a substrate, an organic light emitting diode on the substrate and a capping layer on the organic light emitting diode. The capping layer includes metal iodide selected from alkali metal iodide and alkaline-earth metal iodide. The organic light emitting diode may have reduced driving voltage and improved luminous efficiency.
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公开(公告)号:US20190280237A1
公开(公告)日:2019-09-12
申请号:US16417426
申请日:2019-05-20
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
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:US20180294425A1
公开(公告)日:2018-10-11
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
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:US20180182991A1
公开(公告)日:2018-06-28
申请号:US15904286
申请日:2018-02-23
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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公开(公告)号:US20180159083A1
公开(公告)日:2018-06-07
申请号:US15832010
申请日:2017-12-05
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor: Donghoon Kim , Dongchan Kim , Wonjong Kim , Wonmin Yun , Byoungduk Lee , Jihye Lee , Sanghoon Yim , Yoonhyeung Cho , Youngcheol Joo , Wonsuk Han
CPC classification number: H01L51/5275 , H01L27/3244 , H01L27/3272 , H01L51/5253 , H01L51/5256
Abstract: An organic light emitting display device includes: a substrate; an organic light emitting element on the substrate; and a thin film encapsulation layer on the organic light emitting element. The thin film encapsulation layer includes a first thin film, a second thin film and a third thin film which are sequentially stacked therein, a refractive index of the second thin film is about 1.7 or greater, and a refractive index of the first thin film and a refractive index of the third thin film are greater than the refractive index of the second thin film by about 0.35 or greater.
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