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公开(公告)号：US20200136090A1
公开(公告)日：2020-04-30
申请号：US16689502
申请日：2019-11-20
发明人： Katsuhiko KISHIMOTO
摘要： A method for producing an organic EL device in this disclosure includes the steps of providing an element substrate including a substrate and a plurality of organic EL devices arranged on the substrate; and forming a thin film encapsulation structure over the element substrate. The step of forming the thin film encapsulation structure includes the steps of forming a first inorganic barrier layer over the element substrate; condensing a photocurable resin on the first inorganic barrier layer; irradiating a plurality of selected regions of the photocurable resin with a laser beam to cure at least a part of the photocurable resin, thus to form a photocurable resin layer; removing an uncured part of the photocurable resin; and forming a second inorganic barrier layer, covering the photocurable resin layer, on the first inorganic barrier layer.
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公开(公告)号：US20190358748A1
公开(公告)日：2019-11-28
申请号：US15774481
申请日：2017-05-23
IPC分类号： B23K26/352 , H01L21/304 , B24B49/12
摘要： A method for producing a device support base in an embodiment according to the present disclosure includes step A of providing a support base having a first surface and a second surface parallel to the first surface; step B of forming a laser beam in a first direction parallel to the first surface of the support base; and step C of translating or rotating the laser beam in a second direction parallel to the first surface of the support base and crossing the first direction to remove at least a part of protruding portions or contamination elements on the first surface of the support base.
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公开(公告)号：US20190058160A1
公开(公告)日：2019-02-21
申请号：US15756858
申请日：2017-03-30
发明人： Katsuhiko KISHIMOTO
摘要： An organic electroluminescent device (100A) in an embodiment includes an element substrate including a plurality of organic electroluminescent elements (3) supported by a substrate; and a thin film encapsulation structure (10E) formed on the plurality of organic electroluminescent elements. The thin film encapsulation structure (10E) includes at least one complex stack body (10S) including a first inorganic barrier layer (12E), an organic barrier layer (14E) in contact with a top surface of the first inorganic barrier layer (12E) and including a plurality of solid portions discretely distributed, and a second inorganic barrier layer (16E) in contact with the top surface of the first inorganic barrier layer and a top surface of each of the plurality of solid portions of the organic barrier layer. The plurality of solid portions include a plurality of solid portions discretely provided and each having a recessed surface.
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公开(公告)号：US20190019993A1
公开(公告)日：2019-01-17
申请号：US15750593
申请日：2017-06-27
发明人： Yozo NARUTAKI , Katsuhiko KISHIMOTO
摘要： A method for producing an organic electroluminescent device (100) includes the step of forming a driving circuit layer (2) on a substrate (1); the step of forming an inorganic protective layer (Pa) on the driving circuit layer; the step of forming an organic flattening layer (Pb) on the inorganic protective layer; the step of heating the organic flattening layer to a temperature higher than, or equal to, 200° C.; the step of forming an organic electroluminescent element layer (3) on the organic flattening layer after the step of heating; and, after the organic flattening layer is formed but before the organic flattening layer is heated, the step of forming an organic polymer film covering the organic flattening layer and the step of removing the organic polymer film.
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公开(公告)号：US20210313543A1
公开(公告)日：2021-10-07
申请号：US17354387
申请日：2021-06-22
发明人： Katsuhiko KISHIMOTO
摘要： An organic EL device includes an active region including a plurality of organic EL elements and a peripheral region in a region other than the active region. The organic EL device includes an element substrate including a substrate supporting the organic EL elements; and a thin film encapsulation structure covering the organic EL elements and including a first inorganic barrier layer, an organic barrier layer in contact with a top surface of the first inorganic barrier layer, and a second inorganic barrier layer in contact with the top surface of the first inorganic barrier layer and a top surface of the organic barrier layer. The peripheral region includes a first protruding structure including a portion extending along at least one side of the active region, the first protruding structure supported by the substrate, and an extending portion, of the first inorganic barrier layer, extending onto the first protruding structure.
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公开(公告)号：US20210167338A1
公开(公告)日：2021-06-03
申请号：US17173616
申请日：2021-02-11
摘要： According to a flexible OLED device production method of the present disclosure, a multilayer stack is provided which includes a glass base, a functional layer region including a TFT layer and an OLED layer, and a synthetic resin film provided between the glass base and the functional layer region and bound to the glass base. In a dry gas atmosphere whose dew point is not more than −50° C., the multilayer stack is separated into a first portion and a second portion, and a surface of the synthetic resin film is exposed to the dry gas atmosphere, the first portion including the functional layer region and the synthetic resin film, the second portion including the glass base. The first portion is transported from the dry gas atmosphere to a reduced-pressure atmosphere, and a protection layer is formed on the surface of the synthetic resin film in the reduced-pressure atmosphere.
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公开(公告)号：US20200161596A1
公开(公告)日：2020-05-21
申请号：US16748110
申请日：2020-01-21
发明人： Katsuhiko KISHIMOTO , Takuji KATO
摘要： An organic EL display device including a plurality of pixels includes an element substrate including a substrate, and a plurality of organic EL elements supported by the substrate and respectively located in the plurality of pixels; and a thin film encapsulation structure covering the plurality of pixels. The thin film encapsulation structure includes a first inorganic barrier layer, an organic barrier layer in contact with a top surface of the first inorganic barrier layer, the organic barrier layer including a plurality of solid portions distributed discretely, and a second inorganic barrier layer in contact with the top surface of the first inorganic barrier layer and top surfaces of the plurality of solid portions of the organic barrier layer. The organic barrier layer is black.
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公开(公告)号：US20200080189A1
公开(公告)日：2020-03-12
申请号：US16567456
申请日：2019-09-11
发明人： Yuko KATO , Satohiro OKAYAMA , Shuichi OKANO , Takahiro YAJIMA , Takashi OCHI , Takeshi HIRASE , Tsuyoshi SENZAKI , Takuji KATO , Katsuhiko KISHIMOTO , Toru MASUNO
摘要： A flow resistant part having a rod shape is disposed in a raw liquid introduction path in a manner such that the raw liquid is sprayed onto a vaporization plate to reduce the conductance of the raw liquid introduction path with respect to the raw liquid. Because the pressure on an outlet side of the liquid mass flow controller is increased, and the pressure difference from the pressure on the inlet side of the liquid mass flow controller is reduced, the occurrence of cavitation can be prevented. A plurality of the flow resistant parts can be provided.
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公开(公告)号：US20190392736A1
公开(公告)日：2019-12-26
申请号：US15774806
申请日：2017-11-17
摘要： According to a flexible OLED device production method of the present disclosure, after an intermediate region (30i) and a flexible substrate region (30d) of a plastic film (30) of a muitilayer stack (100) are divided, the interface between the flexible substrate region (30d) and a glass base (10) is irradiated with laser light. The multilayer stack (100) is separated into the first portion (110) and the second portion (120) while the multilayer stack (100) is kept in contact with the stage (210). The first portion (110) includes a plurality of OLED devices (1000) which are in contact with the stage (210). The OLED devices (1000) include a plurality of functional layer regions (20) and the flexible substrate region (30d). The second portion (120) includes the glass base (10) and the intermediate region (30i). The step of irradiating with the laser light includes forming the laser light from a plurality of arranged laser light sources and temporally and spatially modulating a power of the plurality of laser light sources according to a shape of the flexible substrate region of the synthetic resin film such that the irradiation intensity of the laser light for at least part of the interface between the intermediate region (30i) and the glass base (10) is lower than the irradiation intensity of the laser light for the interface between the flexible substrate region (30d) and the glass base (10).
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公开(公告)号：US20190363288A1
公开(公告)日：2019-11-28
申请号：US15763288
申请日：2017-06-13
发明人： Yozo NARUTAKI , Katsuhiko KISHIMOTO
摘要： An organic electroluminescent device (100) includes a substrate (1), a driving circuit layer (2), an inorganic protective layer (Pa), an organic flattening layer (Pb), an organic electroluminescent element layer (3), and a TFE structure (10). The TFE structure includes a first inorganic barrier layer (12), an organic barrier layer (14), and a second inorganic barrier layer (16). As seen in a direction of normal to the substrate, the organic flattening layer (Pb) is formed in a region where the inorganic protective layer (Pa) is formed, organic electroluminescent elements are located in a region where the organic flattening layer (Pb) is formed, and an outer perimeter of the TFE structure (10) crosses lead wires (32) and is present between an outer perimeter of the organic flattening layer (Pb) and an outer perimeter of the inorganic protective layer (Pa). In a region where the inorganic protective layer (Pb) and the first inorganic barrier layer (12) are in direct contact with each other on the lead wires (32), a tapering angle θ(12) of a side surface of a cross-section of the first inorganic barrier layer (12) taken along a plane parallel to a width direction of the lead wires (32) is smaller than 90 degrees.
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