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公开(公告)号：US10510989B2
公开(公告)日：2019-12-17
申请号：US15742890
申请日：2016-07-04
Applicant: Sharp Kabushiki Kaisha
Inventor： Tohru Sonoda , Takeshi Hirase , Tetsuya Okamoto , Tohru Senoo , Mamoru Ishida , Takashi Ochi
Abstract: An organic EL display device includes a flexible base and an organic EL element (electroluminescent element) provided on the base, and further includes an adjustment layer that has heat dissipating properties and that adjusts a neutral surface of the organic EL display device. The adjustment layer is provided on the organic EL element side relative to the center of the whole organic EL display device in the film thickness direction.
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公开(公告)号：US10340479B2
公开(公告)日：2019-07-02
申请号：US15742537
申请日：2016-08-22
Applicant: Sharp Kabushiki Kaisha
Inventor： Mamoru Ishida , Tetsuya Okamoto , Takeshi Hirase , Takashi Ochi , Tohru Senoo , Tohru Sonoda
Abstract: In an organic EL (electroluminescence) display device including a base member, and an organic EL element disposed on the base member, the organic EL display device further includes a sealing film to seal the organic EL element. The sealing film includes two inorganic layers, and two organic layers disposed between the two inorganic layers and having infiltration rates different from each other.
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公开(公告)号：US10159120B2
公开(公告)日：2018-12-18
申请号：US15579294
申请日：2016-06-07
Applicant: Sharp Kabushiki Kaisha
Inventor： Mamoru Ishida , Tetsuya Okamoto , Takeshi Hirase , Tohru Senoo , Tohru Sonoda
Abstract: An EL display device in which the adhesion between a substrate and a sealing film is increased and in which the occurrence of cracks in the sealing film is reduced is provided. A lower inorganic film (31) has a multilayer structure including a first inorganic layer (34), which is in contact with the substrate and an EL element, and a second inorganic layer (35). The absolute value of the film stress of the first inorganic layer (34) is less than the absolute value of the film stress of the second inorganic layer (35), and the film thickness of the first inorganic layer (34) is less than the film thickness of the second inorganic layer (35).
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公开(公告)号：US10014489B2
公开(公告)日：2018-07-03
申请号：US15517524
申请日：2015-10-08
Applicant: Sharp Kabushiki Kaisha
Inventor： Tohru Sonoda , Takeshi Hirase , Tetsuya Okamoto , Tohru Senoo , Seiji Fujiwara , Daichi Nishikawa , Mamoru Ishida
CPC classification number: H01L51/5246 , H01L27/3244 , H01L51/0097 , H01L51/50 , H01L51/5253 , H01L51/56 , H05B33/04
Abstract: An organic EL display device 1 that includes a TFT substrate (substrate) 2 and an organic EL element (electroluminescent element) 4 provided on the TFT substrate 2 includes a sealing film 14 that seals the organic EL element 4. The sealing film 14 has a layered structure composed of an organic layer 14b and inorganic layers 14a, 14c. At least a peripheral portion 14b2 of the organic layer 14b has a lower carbon content than a central portion 14b1 of the organic layer 14b.
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公开(公告)号：US09692011B2
公开(公告)日：2017-06-27
申请号：US14890595
申请日：2014-02-25
Applicant: Sharp Kabushiki Kaisha
Inventor： Tohru Senoo , Tohru Sonoda , Takeshi Hirase , Tetsuya Okamoto
CPC classification number: H01L51/5259 , H01L27/3244 , H01L51/0035 , H01L51/004 , H01L51/5246 , H01L51/5253
Abstract: In an organic EL display device (electroluminescence device) including an organic EL element (electroluminescence element), the organic EL element is covered with a desiccant layer. Between a TFT substrate (substrate) and an opposite substrate, a frame-shaped moisture high-permeable layer and a frame-shaped sealing member are disposed in a state successively surrounding the desiccant layer.
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Patent Agency Ranking
公开(公告)号：US20150214504A1
公开(公告)日：2015-07-30
申请号：US14419647
申请日：2013-08-28
Applicant: Sharp Kabushiki Kaisha
Inventor： Tohru Sonoda , Takeshi Hirase , Tetsuya Okamoto , Tohru Senoo , Yuki Yasuda
CPC classification number: H01L51/5253 , H01L27/3244 , H01L51/5256 , H01L51/56 , H05B33/04 , H05B33/10
Abstract: A barrier film configured to reduce degradation of an organic EL element includes a first inorganic film, a second inorganic film, and a third inorganic film which are provided in order from a base substrate, a first organic film between the first inorganic film and the second inorganic film, and a second organic film between the second inorganic film and the third inorganic film. The first organic film has a plurality of first through holes formed therein so that the first inorganic film is in contact with the second inorganic film through the first through holes. The second organic film has a plurality of second through holes formed therein so that the second inorganic film is in contact with the third inorganic film through the second through holes.
Abstract translation: 构成为降低有机EL元件的劣化的阻挡膜包括从基底基板依次设置的第一无机膜，第二无机膜和第三无机膜，第一无机膜和第二无机膜之间的第一有机膜 无机膜和第二无机膜与第三无机膜之间的第二有机膜。 第一有机膜具有形成在其中的多个第一通孔，使得第一无机膜通过第一通孔与第二无机膜接触。 第二有机膜具有形成在其中的多个第二通孔，使得第二无机膜通过第二通孔与第三无机膜接触。
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公开(公告)号：US10600982B2
公开(公告)日：2020-03-24
申请号：US15762132
申请日：2016-09-26
Applicant: Sharp Kabushiki Kaisha
Inventor： Mamoru Ishida , Tetsuya Okamoto , Takeshi Hirase , Takashi Ochi , Tohru Senoo , Tohru Sonoda
Abstract: In an organic EL display device that includes a base material having flexibility and an organic EL element (electroluminescence element) provided on the base material, a sealing film is formed that seals the organic EL element. Additionally, a first adjustment layer and a second adjustment layer, which are configured of materials having the same thickness and the same Young's modulus and are configured to adjust a neutral surface of the organic EL display device, are each provided at an end portion on one side and an end portion on another side of the organic EL display device in a film thickness direction T.
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公开(公告)号：US10333103B2
公开(公告)日：2019-06-25
申请号：US15526171
申请日：2015-11-04
Applicant: Sharp Kabushiki Kaisha
Inventor： Takeshi Hirase , Tetsuya Okamoto , Tohru Senoo , Tohru Sonoda , Daichi Nishikawa , Seiji Fujiwara
Abstract: In an organic EL display device that includes a TFT substrate (substrate) and an organic EL element (electroluminescent element) provided on the TFT substrate, a sealing film is provided that seals the organic EL element.The sealing film includes one or more layers of inorganic film. The thickness of a peripheral portion of at least one layer of inorganic film among the one or more layers of inorganic film is made thick.Further, a liquid repellent layer is provided covering the sealing film.
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公开(公告)号：US10043999B2
公开(公告)日：2018-08-07
申请号：US15511740
申请日：2015-09-17
Applicant: Sharp Kabushiki Kaisha
Inventor： Tohru Senoo , Takeshi Hirase , Tetsuya Okamoto , Tohru Sonoda , Mamoru Ishida , Seiji Fujiwara , Daichi Nishikawa
Abstract: In an organic EL display device (electroluminescence device) including a flexible TFT substrate (substrate), an organic EL element (electroluminescence element) provided on the TFT substrate, and a sealing film that seals the organic EL element, a foldable bend portion is provided. The film thickness of the sealing film is reduced at the bend portion.
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公开(公告)号：US09947894B2
公开(公告)日：2018-04-17
申请号：US15310479
申请日：2015-05-07
Applicant: Sharp Kabushiki Kaisha
Inventor： Tohru Sonoda , Takeshi Hirase , Tetsuya Okamoto , Tohru Senoo , Seiji Fujiwara
CPC classification number: H01L51/5246 , H01L27/3244 , H01L51/50 , H01L51/5253 , H01L2251/558 , H05B33/04
Abstract: Provided is a TFT substrate (substrate); a second electrode (vapor-deposited membrane) that is formed on the TFT substrate and includes a protruding portion; and a sealing membrane provided so as to cover the second electrode, wherein, when σ represents an absolute value of a stress of the sealing membrane, t represents a thickness of the sealing membrane, and P represents a sum of a product of an oblique side length and an oblique side slope in a minute region on an oblique side of the protruding portion, a value of an index N expressed by the expression (N=σ·t·P) is less than or equal to 935 MPa·μm2.
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