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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：US12052885B2
公开(公告)日：2024-07-30
申请号：US17212003
申请日：2021-03-25
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Sanghoon Yim , Wonjong Kim , Yisu Kim , Minho Oh , Wonmin Yun , Kwanhee Lee , Byoungduk Lee , Yoonhyeung Cho , Youngcheol Joo , Yongchan Ju
IPC: H10K50/858 , H10K50/844 , H10K59/12 , H10K71/00 , H10K102/00
CPC classification number: H10K50/858 , H10K50/8445 , H10K59/12 , H10K71/00 , H10K59/1201 , H10K2102/351
Abstract: An display device including a substrate, an organic light-emitting diode, and a thin film encapsulation layer. The organic light-emitting diode is disposed on the substrate. The thin film encapsulation layer is disposed on the organic light-emitting diode. The thin film encapsulation layer includes at least one inorganic layer, at least one organic layer, and a first refractive-index control layer. The at least one organic layer is alternately disposed with the at least one inorganic layer. The first refractive-index layer is disposed between one of the at least one inorganic layer and one of the at least one organic layer disposed adjacent to each other. The first refractive-index control layer has a refractive-index variation ratio per unit length (Δn/nm) from about 0.001/nm to about 0.002/nm along a direction from the organic light-emitting diode toward the thin film encapsulation 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：US20210351365A1
公开(公告)日：2021-11-11
申请号：US17098455
申请日：2020-11-16
Applicant: Samsung Display Co, Ltd.
Inventor： Jinsook Bang , Donghoon Kim , Sanghoon Yim , Jinyoung Choi , Eunjeong Hong , Kwanhee Lee
Abstract: A light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an interlayer disposed between the first electrode and the second electrode and including an emission layer patterned into a red emission layer and a green emission layer for a corresponding sub-pixel, wherein the red emission layer includes a red dopant having a horizontal dipole moment, and the green emission layer comprises a green dopant having a horizontal dipole moment, and the horizontal dipole moment of the green dopant is greater than the horizontal dipole moment of the red dopant.
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Patent Agency Ranking
公开(公告)号：US11107865B2
公开(公告)日：2021-08-31
申请号：US16662630
申请日：2019-10-24
Applicant: Samsung Display Co., Ltd.
Inventor： Jinsook Bang , Sanghoon Yim , Donghoon Kim
IPC: H01L27/32
Abstract: An organic light emitting display device includes a first substrate, a second substrate opposite from the first substrate, a plurality of organic light emitting elements on the first substrate, and a color filter on the organic light emitting elements, wherein a transmission wavelength band of the color filter has an upper limit value for transmitting a light wavelength corresponding to a first intensity of a light emitted from the organic light emitting elements at a viewing angle of about 0°, and has a lower limit value for transmitting a light wavelength corresponding to a second intensity that is less than the first intensity.
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公开(公告)号：US10553651B2
公开(公告)日：2020-02-04
申请号：US16016145
申请日：2018-06-22
Applicant: Samsung Display Co., Ltd.
Inventor： Sanghoon Yim , Donghoon Kim , Samil Kho , Mikyung Kim , Eunkyoung Kim , Seunggak Yang , Kwanhee Lee
Abstract: An organic light-emitting display apparatus includes a first sub-pixel, a second sub-pixel, and a third sub-pixel configured to emit different colors of light. The organic light-emitting display apparatus includes: a substrate; first through third pixel electrodes; a first organic emission layer configured to emit light having a first wavelength; a second organic emission layer configured to emit light having a second wavelength; a third organic emission layer configured to emit light having a third wavelength; an opposite electrode; a capping layer over the opposite electrode and having a refractive index with respect to the first wavelength that is higher than a refractive index with respect to the second wavelength by at least 7%; and a thin-film encapsulation layer over the capping layer.
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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：US20160248034A1
公开(公告)日：2016-08-25
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.
Abstract translation: 有机发光装置包括基板，基板上的阳极，阳极上的空穴传输区域，空穴传输区域上的发光层，发光层上的电子传输区域和电子传输区域上的阴极 其中，所述电子传输区域包括电子注入层，所述电子注入层包括包含碱金属的卤化物中的至少一种的第一材料和包含镧系金属和碱土金属中的至少一种的第二材料，并且其中所述阴极接触 电子注入层，并且包括包含银，金，铂，铜，锰，钛，钴，镍和钨中的至少一种的第一金属和包含镧系金属和碱土金属中的至少一种的第二金属 其中所述第一金属的量等于或大于所述第二金属的量。
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