Patents Assigned to Sakai Display Products Corporation
  • Patent number: 11812634
    Abstract: 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.
    Type: Grant
    Filed: June 22, 2021
    Date of Patent: November 7, 2023
    Assignee: Sakai Display Products Corporation
    Inventor: Katsuhiko Kishimoto
  • Patent number: 11230759
    Abstract: A method for manufacturing a vapor deposition mask including a resin layer, and a magnetic metal body formed on the resin layer, the method including the steps of: (A) providing a magnetic metal body having at least one first opening; (B) providing a substrate; (C) forming a resin layer by applying a solution including a resin material or a varnish of a resin material on a surface of a substrate, and then performing a heat treatment thereon; (D) securing the resin layer formed on the substrate on the magnetic metal body so as to cover the at least one first opening; (E) forming a plurality of second openings in a region of the resin layer that is located in the at least one first opening of the magnetic metal body; and (F) after the step (E), removing the substrate from the resin layer.
    Type: Grant
    Filed: December 19, 2019
    Date of Patent: January 25, 2022
    Assignee: Sakai Display Products Corporation
    Inventors: Koshi Nishida, Susumu Sakio, Katsuhiko Kishimoto
  • Patent number: 11177466
    Abstract: A display apparatus comprises: a display panel to control emission or transmission of light to display an image; a support comprising a surface on which the display panel is placed; and a holding member that is adhered onto the surface of the support and engages with an edge of the display panel to hold the display panel at a given position of the surface, wherein the display panel has an opposite surface of a display surface of the display panel, the opposite surface being directed to the support; the holding member comprises a front surface portion formed using a light-transmitting material to cover the display surface, the front surface portion being plate shaped, and a frame portion comprising a rod-shaped member provided in such a manner as to be protruded from a first surface of the front surface portion and to be along an edge of the front surface portion, the first surface being directed to the display surface; and the front surface portion comprises a first functional layer on the first surface or on
    Type: Grant
    Filed: April 23, 2021
    Date of Patent: November 16, 2021
    Assignee: Sakai Display Products Corporation
    Inventor: Katsuhiko Kishimoto
  • Patent number: 11148510
    Abstract: A shading device comprises: a shading member formed using a dimming glass plate capable of changing light transmittance, the shading member having a plate shape; a display apparatus being capable of transmitting light and disposed on a surface of the shading member, the surface being to face an operator during use of the shading member, in such a manner that a display portion faces the operator; an image pickup device to pick up, as an image, a region which an opposite surface of the surface faces, and generate image pickup data; a data processing circuit to generate display image data to be displayed on the display portion during use of the shading member, based on the image pickup data generated by the image pickup device; and a switch to change light transmittance of the dimming glass plate.
    Type: Grant
    Filed: August 3, 2020
    Date of Patent: October 19, 2021
    Assignee: Sakai Display Products Corporation
    Inventor: Katsuhiko Kishimoto
  • Patent number: 11145839
    Abstract: An organic EL display device includes an element substrate including a substrate, plurality of organic EL elements supported by the substrate and respectively located in the plurality of pixels, and bank layer defining each of the plurality of pixels; and thin film encapsulation structure covering the plurality of pixels. The bank layer has an inclining surface enclosing each of the plurality of pixels. The thin film encapsulation structure includes a first inorganic barrier layer, organic barrier layer including a plurality of solid portions in contact with a top surface of the first inorganic barrier layer, and 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. The plurality of solid portions include pixel periphery solid portions each extending from a portion on the inclining surface to a peripheral area in the corresponding pixel.
    Type: Grant
    Filed: March 24, 2020
    Date of Patent: October 12, 2021
    Assignee: Sakai Display Products Corporation
    Inventor: Katsuhiko Kishimoto
  • Patent number: 11114650
    Abstract: According to a flexible OLED device production method of the present disclosure, after an intermediate region (30i) and flexible substrate regions (30d) of a plastic film (30) of a multilayer stack (100) are divided from one another, the interface between the flexible substrate regions (30d) and a glass base (10) is irradiated with laser light. The multilayer stack (100) is separated into a first portion (110) and a second portion (120) while the multilayer stack (100) is in contact with a stage (212). The first portion (110) includes a plurality of OLED devices (1000) which are in contact with the stage (212). The OLED devices (1000) include a plurality of functional layer regions (20) and the flexible substrate regions (30d). The second portion (120) includes the glass base (10) and the intermediate region (30i).
    Type: Grant
    Filed: October 26, 2017
    Date of Patent: September 7, 2021
    Assignee: Sakai Display Products Corporation
    Inventors: Kohichi Tanaka, Katsuhiko Kishimoto
  • Patent number: 11094747
    Abstract: An organic EL display apparatus (100) has a plurality of pixels including red pixels (R), green pixels (G) and blue pixels (B), the apparatus (100) including: a substrate (1); a plurality of organic EL elements (10) supported on the substrate, with one organic EL element provided in each pixel; a generally lattice-shaped first bank (21) defining the pixels, the first bank including a plurality of first portions (21A) extending in a first direction and a plurality of second portions (21B) extending in a second direction that crosses the first direction; and a plurality of second banks (22) provided on a top portion (21t) of the first bank, wherein the second banks are not formed at intersections (cr) between the first portions and the second portions of the first bank, and the second banks are more liquid repellent than the first bank.
    Type: Grant
    Filed: March 18, 2020
    Date of Patent: August 17, 2021
    Assignee: Sakai Display Products Corporation
    Inventors: Yukiya Nishioka, Katsuhiko Kishimoto
  • Patent number: 11084358
    Abstract: A shading device comprises: a shading member formed using a dimming glass plate capable of changing light transmittance, the shading member having a plate shape; a display apparatus being capable of transmitting light and disposed on a surface of the shading member, the surface being to face an operator during use of the shading member, in such a manner that a display portion faces the operator; an image pickup device to pick up, as an image, a region which an opposite surface of the surface faces, and generate image pickup data; a data processing circuit to generate display image data to be displayed on the display portion during use of the shading member, based on the image pickup data generated by the image pickup device; and a switch to change light transmittance of the dimming glass plate.
    Type: Grant
    Filed: August 3, 2020
    Date of Patent: August 10, 2021
    Assignee: Sakai Display Products Corporation
    Inventor: Katsuhiko Kishimoto
  • Patent number: 11075361
    Abstract: 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.
    Type: Grant
    Filed: May 11, 2020
    Date of Patent: July 27, 2021
    Assignee: Sakai Display Products Corporation
    Inventor: Katsuhiko Kishimoto
  • Patent number: 11052732
    Abstract: A shading device for a vehicle, comprising a dimming glass plate capable of changing a light transmittance thereof, wherein the dimming glass plate is provided at a portion of a vehicular window glass to separate an interior of vehicular compartment from outside of the vehicular compartment or provided at a portion of a surface of the vehicular window glass that faces inside of the vehicular compartment; a display apparatus formed of a light transmitting material and disposed at a surface of the dimming glass plate that faces inside of the vehicular compartment, with a display portion facing inside the vehicular compartment; an image pickup device to capture an area outside of a vehicle to generate image pickup data, wherein the area is at an opposite surface on the dimming glass plate, the opposite surface being opposite a surface on which the display apparatus is provided; a data processing circuit to generate display image data to be displayed on the display portion based on the image pickup data generated
    Type: Grant
    Filed: December 16, 2019
    Date of Patent: July 6, 2021
    Assignee: Sakai Display Products Corporation
    Inventor: Katsuhiko Kishimoto
  • Patent number: 11024677
    Abstract: An organic-EL display apparatus comprises: a substrate comprising a first electrode; an organic layer formed of organic materials so as to form a plurality of pixels arrayed in a matrix form, the organic material being vapor-deposited on the first electrode; and a second electrode formed on the organic layer. Each of the plurality of pixels comprises at least three sub-pixels having substantially rectangular shapes; a first sub-pixel and a second sub-pixel among the at least three sub-pixels are arranged in parallel with each other such that a long side of the first sub-pixel and a long side of the second sub-pixel are substantially parallel with each other; and a third sub-pixel among the at least three sub-pixels is formed such that a long side of the third sub-pixel is substantially parallel with a short side of the first sub-pixel and a short side of the second sub-pixel.
    Type: Grant
    Filed: August 20, 2020
    Date of Patent: June 1, 2021
    Assignee: Sakai Display Products Corporation
    Inventor: Nobuo Saito
  • Patent number: 11024831
    Abstract: A display apparatus comprises: a display panel to control emission or transmission of light; a support comprising a surface on which the display panel is placed; and a holding member that is adhered onto the surface and engages with an edge of the display panel to hold the display panel at a given position of the surface. The holding member comprises a front surface portion formed using a light-transmitting material to cover a display surface of the display panel and a frame portion provided, on a first surface of the front surface portion, along an edge of the front surface portion. The first surface is directed to the display surface. The front surface portion comprises a first functional layer having a given function related to propagation of light on the first surface or on a second surface opposite the first surface.
    Type: Grant
    Filed: November 8, 2017
    Date of Patent: June 1, 2021
    Assignee: Sakai Display Products Corporation
    Inventor: Katsuhiko Kishimoto
  • Patent number: 11016353
    Abstract: A display apparatus includes thin-film transistors respectively provided for pixels arranged in a matrix form, one or more driving circuits provided at a side of one end of the display panel, a plurality of signal lines to each connect more than one of the plurality of thin-film transistors arranged in one line in the matrix form to the driving circuit, a plurality of spare lines formed to be connectable to any of the plurality of signal lines in an outer area of a display panel, and arranged separated from one another in an opposing region in the outer area, the opposing region being opposed to the driving circuits across the display area, and a metal pattern overlapping a first spare line and a second spare line with an insulating layer therebetween, so as to be connectable to the first spare line arranged in a first region and the second spare line arranged in a second region.
    Type: Grant
    Filed: April 5, 2018
    Date of Patent: May 25, 2021
    Assignee: Sakai Display Products Corporation
    Inventor: Hidetoshi Nakagawa
  • Patent number: 11016322
    Abstract: A method for attaching display panel comprises: preparing a frame-shaped body comprising a first rod-like member and two second rod-like members, the two second rod-like members being substantially parallel to each other and crossing the first rod-like member; bonding the first rod-like member and the two second rod-like members to a given plane surface or a given curved surface; and moving a display panel having a width to be supported between the two second rod-like members from one of the ends of two second rod-like members towards the first rod-like member along a first surface of the two second rod-like members and a second surface of the two second rod-like members, the first surface and the second surface facing each other.
    Type: Grant
    Filed: October 7, 2020
    Date of Patent: May 25, 2021
    Assignee: Sakai Display Products Corporation
    Inventor: Katsuhiko Kishimoto
  • Patent number: 11011735
    Abstract: In a flexible OLED device production method, after an intermediate region and flexible substrate region of a plastic film of a multilayer stack are divided, the interface between the flexible substrate region and glass base is irradiated with laser light. The multilayer stack is separated into first and second portions while the multilayer stack is kept in contact with the stage. The first portion includes a plurality of OLED devices in contact with the stage. The OLED devices include a plurality of functional layer regions and the flexible substrate region. The second portion includes the glass base and intermediate region. The laser light is formed from a plurality of arranged laser light sources and irradiation intensity for at least part of the interface between the intermediate region and the glass base is lower than the irradiation intensity for the interface between the flexible substrate region and the glass base.
    Type: Grant
    Filed: January 21, 2020
    Date of Patent: May 18, 2021
    Assignee: Sakai Display Products Corporation
    Inventors: Katsuhiko Kishimoto, Kohichi Tanaka
  • Patent number: 11008646
    Abstract: A vapor deposition apparatus disclosed by an embodiment comprises: a vacuum chamber (8); a mask holder (15) for holding a deposition mask 1; a substrate holder (29) for holding a substrate for vapor deposition (2); an electromagnet (3) disposed above a surface; a vapor deposition source 5 for vaporizing or sublimating a vapor deposition material; and a heat pipe (7) including at least a heat absorption part (71) and a heat dissipation part (72), the heat absorption part being in contact with the electromagnet (3), and the heat dissipation part being derived to an outside of the vacuum chamber (8). The heat pipe (7) and the electromagnet (3) are in intimate contact with each other at an area of a contact part between the heat pipe (7) and the electromagnet (3), the area being equal to or more than a cross-sectional area within an inner perimeter of a coil (32).
    Type: Grant
    Filed: April 21, 2020
    Date of Patent: May 18, 2021
    Assignee: Sakai Display Products Corporation
    Inventors: Susumu Sakio, Katsuhiko Kishimoto
  • Patent number: 11003004
    Abstract: A method for attaching display panel comprises: preparing a frame-shaped body comprising a first rod-like member and two second rod-like members, the two second rod-like members being substantially parallel to each other and crossing the first rod-like member; bonding the first rod-like member and the two second rod-like members to a given plane surface or a given curved surface; and moving a display panel having a width to be supported between the two second rod-like members from one of the ends of two second rod-like members towards the first rod-like member along a first surface of the two second rod-like members and a second surface of the two second rod-like members, the first surface and the second surface facing each other.
    Type: Grant
    Filed: August 21, 2020
    Date of Patent: May 11, 2021
    Assignee: Sakai Display Products Corporation
    Inventor: Katsuhiko Kishimoto
  • Patent number: 10978651
    Abstract: According to a flexible OLED device production method of the present disclosure, after an intermediate region (30i) and flexible substrate regions (30d) of a plastic film (30) of a multilayer stack (100) are divided from one another, the interface between the flexible substrate regions (30d) and a glass base (10) is irradiated with laser light. The multilayer stack (100) is separated into a first portion (110) and a second portion (120) while the multilayer stack (100) is in contact with a stage (212). The first portion (110) includes a plurality of OLED devices (1000) which are in contact with the stage (212). The OLED devices (1000) include a plurality of functional layer regions (20) and the flexible substrate regions (30d). The second portion (120) includes the glass base (10) and the intermediate region (30i). The stage (212) has ejection holes in a region which is to face the intermediate region (30i), from which a fluid is ejected in the separation step.
    Type: Grant
    Filed: October 26, 2017
    Date of Patent: April 13, 2021
    Assignee: Sakai Display Products Corporation
    Inventors: Kohichi Tanaka, Katsuhiko Kishimoto, Yukiya Nishioka
  • Patent number: 10957881
    Abstract: According to a flexible OLED device production method of the present disclosure, a multilayer stack (100) is provided which includes a glass base (10), a functional layer region (20) including a TFT layer (20A) and an OLED layer (20B), and a synthetic resin film (30) provided between the glass base (10) and the functional layer region (20) and bound to the glass base (10). In a dry gas atmosphere whose dew point is not more than ?50° C., the multilayer stack (100) is separated into a first portion (110) and a second portion (120), and a surface (30s) of the synthetic resin film (30) is exposed to the dry gas atmosphere, the first portion (110) including the functional layer region (20) and the synthetic resin film (30), the second portion (120) including the glass base (10). The first portion (110) is transported from the dry gas atmosphere to a reduced-pressure atmosphere R, and a protection layer (60) is formed on the surface (30s) of the synthetic resin film (30) in the reduced-pressure atmosphere R.
    Type: Grant
    Filed: October 26, 2017
    Date of Patent: March 23, 2021
    Assignee: Sakai Display Products Corporation
    Inventors: Kohichi Tanaka, Katsuhiko Kishimoto
  • Patent number: 10923678
    Abstract: A reflective liquid crystal display device (30) including a reflection electrode (31), a liquid crystal layer (32), and a counter electrode (33) is formed above an insulating layer (25) in a first region (R) of a TFT substrate (20). An organic EL display device (40) including a first electrode (41), an organic layer (43), and a second electrode (44) is formed on the insulating layer (25) of the TFT substrate (20) in a second region (T). A coating layer (45) is formed at least on a surface of the organic EL display device (40) so as to wrap the second electrode (44) and the organic layer (43) of the organic EL display device (40). A part of the coating layer (45) is in contact with the insulating layer (25). As a result, a complex display apparatus capable of preventing the organic layer from deteriorating and excellent in reliability can be obtained.
    Type: Grant
    Filed: December 11, 2019
    Date of Patent: February 16, 2021
    Assignees: Sakai Display Products Corporation, Sharp Kabushiki Kaisha
    Inventors: Yozo Narutaki, Katsuhiko Kishimoto, Shinji Shimada, Masahiro Mitani, Kohzoh Nakamura, Kiyoshi Minoura, Hiroshi Tsuchiya, Yuhki Kobayashi, Shinichi Kawato