Patents by Inventor Katsuhiko Kishimoto

Katsuhiko Kishimoto has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • 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: 11114517
    Abstract: The present invention is equipped with: a substrate (10) that has a surface upon which a drive circuit containing a TFT (20) is formed; a planarizing layer (30) that makes the surface of the substrate (10) planar by covering the drive circuit; and an organic light emitting element (40) that is provided with a first electrode (41) formed upon the surface of the planarization film and connected to the drive circuit, an organic light emitting layer (43) formed upon the first electrode, and a second electrode (44) formed upon the organic light emitting layer. In addition, the planarizing layer (30) includes a first inorganic insulating layer (31) and an organic insulating layer (32) that are layered upon the drive circuit, and the surface of the organic insulating layer (32) is formed with an arithmetic mean roughness Ra of no more than 50 nm.
    Type: Grant
    Filed: March 28, 2018
    Date of Patent: September 7, 2021
    Assignee: SAKAI DISPLAY PRODUCTS CORPORATION
    Inventor: Katsuhiko Kishimoto
  • Publication number: 20210273207
    Abstract: To obtain a vapor-deposition mask that suppresses heat conduction at a frame of the vapor-deposition mask and make the weight thereof lighter to achieve upsizing of the vapor-deposition mask and carry out high-definition vapor-deposition cheaply, the frame (15) to which a mask main body (10) is bonded is formed as a sandwich structure (150) in which end plate (152) is bonded onto an opposing surface of at least a part of a core portion (151) in the vapor-deposition mask disclosed in the present embodiment.
    Type: Application
    Filed: May 14, 2021
    Publication date: September 2, 2021
    Inventor: KATSUHIKO KISHIMOTO
  • Publication number: 20210273168
    Abstract: A rigid material whose linear expansion coefficient is small and whose relative density is small is used to provide a vapor-deposition mask using a lightweight and highly dimension-accurate frame. A frame (15) of the vapor-deposition mask disclosed in accordance with the present embodiment is formed with a carbon-fiber reinforced plastic (CFRP).
    Type: Application
    Filed: May 14, 2021
    Publication date: September 2, 2021
    Inventors: Katsuhiko Kishimoto, Susumu Sakio
  • Patent number: 11107876
    Abstract: An organic EL device (100D) according to an embodiment of the present invention has: a substrate (1); a drive circuit layer (2) having a plurality or TFTs formed on the substrate; interlayer insulation layers (2Pa, 2Pb) formed on the drive circuit layer; an organic EL element layer (3) formed on the interlayer insulation layers; and a thin-film sealing structure (10DE) formed so as to cover the organic EL element layer. The interlayer insulation layers have contact holes (CH1, CH2). Contact parts (C1, C2) that connect the drive circuit layer and the organic EL element layer are formed inside the contact holes. The surface (2Pb_Sb) of the interlayer insulation layers and the surface (C_Sb) of the contact parts are flush, and the arithmetic average roughness Ra of the surfaces are 50 nm or less.
    Type: Grant
    Filed: April 26, 2018
    Date of Patent: August 31, 2021
    Assignee: SAKAI DISPLAY PRODUCTS CORPORATION
    Inventors: Katsuhiko Kishimoto, Yozo Narutaki
  • Publication number: 20210265602
    Abstract: A vapor deposition mask (100) including: a magnetic metal member (20) including at least one first opening (25); and a layered member (30) that is arranged on the magnetic metal member (20) so as to cover the at least one first opening (25) and has a plurality of second openings (13) located in the at least one first opening (25), wherein: the layered member (30) includes a first layer (m1) and a second layer (m2) that is arranged between the first layer (m1) and the magnetic metal member (20); and in the at least one first opening (25), at a first temperature that is greater than or equal to room temperature, an elastic modulus E1 of the first layer, a thickness a1 of the first layer, an internal stress ?1 of the first layer, an elastic modulus E2 of the second layer, a thickness a2 of the second layer and an internal stress ?2 of the second layer (where ?1 and ?2 are positive for tensile stress) satisfy Expressions (1) and (2) below: ?1/E1??2/E2<0??(1) 0<a1×?1+a2×?2??(2).
    Type: Application
    Filed: August 8, 2018
    Publication date: August 26, 2021
    Inventors: SUSUMU SAKIO, KATSUHIKO KISHIMOTO
  • Publication number: 20210265605
    Abstract: A film formation device according to an embodiment is provided with: a substrate holder for holding a substrate in an upright position relative to the horizontal plane, the substrate having a vapor deposition surface on which a vapor-deposited film is to be formed; and an evaporation source for spraying a vapor deposition material onto the vapor deposition surface while moving relative to the substrate holder upward and/or downward, the evaporation source being disposed in a region which the vapor deposition surface of the substrate held by the substrate holder is to face. The substrate holder is configured to hold the substrate in an inclined orientation relative to the vertical plane such that the upper end of the substrate is located away from the evaporation source.
    Type: Application
    Filed: May 10, 2021
    Publication date: August 26, 2021
    Inventors: HIDENORI OGATA, SUSUMU SAKIO, KATSUHIKO KISHIMOTO
  • Patent number: 11101438
    Abstract: According to a flexible light-emitting device production method of the present disclosure, after an intermediate region and flexible substrate regions of a plastic film of a multilayer stack are divided from one another, the interface between the flexible substrate regions and a glass base is irradiated with lift-off light. The multilayer stack is separated into a first portion and a second portion while the multilayer stack is in contact with a stage. The first portion includes a plurality of light-emitting devices which are in contact with the stage. The light-emitting devices include a plurality of functional layer regions and the flexible substrate regions. The second portion includes the glass base and the intermediate region. The stage has ejection holes in a region which is to face the intermediate region, from which a fluid is ejected in the separation step.
    Type: Grant
    Filed: May 9, 2018
    Date of Patent: August 24, 2021
    Assignee: SAKAI DISPLAY PRODUCTS CORPORATION
    Inventors: Katsuhiko Kishimoto, Yukiya Nishioka, Kohichi Tanaka
  • Patent number: 11101258
    Abstract: According to a flexible light-emitting 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 multilayer stack (100) are divided, the interface between the plastic film (30) and a glass base (10) is irradiated with lift-off 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 (212). The first portion (110) includes the intermediate region (30i) and a light-emitting device (1000) which are adhered to the stage (212). The light-emitting device (1000) includes a functional layer region (20) and the flexible substrate region (30d). The second portion (120) includes the glass base (10). The intermediate region (30i) adhered to the stage (212) is removed from the stage while the light-emitting device (1000) is kept adhered to the stage.
    Type: Grant
    Filed: May 9, 2018
    Date of Patent: August 24, 2021
    Assignee: SAKAI DISPLAY PRODUCTS CORPORATION
    Inventors: Katsuhiko Kishimoto, Kohichi Tanaka
  • Patent number: 11101431
    Abstract: An organic EL light-emitting element is provided in which, by means of an organic material that is oligomeric, an organic layer coated film 25 is formed in a high-definition pixel pattern in the openings 23a of insulation banks 23 that are formed to be hydrophilic; a manufacturing method of said organic EL light-emitting element is also provided. The coated film 25 is formed by dropwise injection of a liquid composition containing an organic material oligomer.
    Type: Grant
    Filed: November 28, 2017
    Date of Patent: August 24, 2021
    Assignee: SAKAI DISPLAY PRODUCTS CORPORATION
    Inventors: Katsuhiko Kishimoto, Yukiya Nishioka
  • Patent number: 11101455
    Abstract: A vapor deposition mask is provided with: a resin film, which has at least one of first to third opening patterns in which first to third openings, for forming first to third subpixels that configure one pixel of a display panel, are disposed with a fixed periodicity; and a metal support layer, which is bonded to the resin film and has an opening pattern for fourth openings that are formed so as to be able to encompass all of the first to third openings of the resin film. In regions of the resin film exposed by the fourth openings of the metal support layer, one or two of the first to third openings of the resin film are formed.
    Type: Grant
    Filed: February 9, 2021
    Date of Patent: August 24, 2021
    Assignee: SAKAI DISPLAY PRODUCTS CORPORATION
    Inventors: Katsuhiko Kishimoto, Kazunobu Mameno
  • Patent number: 11096292
    Abstract: A display apparatus comprises a display panel comprising a plurality of driving elements to drive pixels and a first terminal group electrically connected to the driving elements; a supporting member comprising a surface on which the display panel is to be placed and comprising, on the surface, a plurality of wirings and a second terminal group connected to the plurality of wirings; and a holding member provided along an edge of the display panel using a rod-shaped material having a linear or curved shape to hold the display panel at a given position on the surface of the supporting member, wherein the first terminal group is provided on a surface of the display panel to be directed to the supporting member; and the display panel is placed on the surface of the supporting member, and each of terminals constituting the first terminal group is connected to each of terminals constituting the second terminal.
    Type: Grant
    Filed: May 13, 2020
    Date of Patent: August 17, 2021
    Assignee: SAKAI DISPLAY PRODUCTS CORPORATION
    Inventor: 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: 11094763
    Abstract: This organic-EL display apparatus comprises: a substrate with a drive circuit comprising a thin-film transistor (TFT), a planarizing layer to cover the drive circuit, and an organic light-emitting element formed upon the surface of the planarizing layer facing the opposite direction from the drive circuit. The surface of the planarizing layer has an arithmetic average roughness of 50 nm or less. The TFT comprises a drain electrode, a source electrode, and a semiconductor layer that includes regions to be a channel of TFT and partially overlaps with the source and drain electrodes. Respective parts of a first conductor layer forming the drain electrode and a second conductor layer forming the source electrode are arranged in an alternating manner along a prescribed direction, and the region to be the channel is sandwiched between the part of the first conductor layer and the part of the second conductor layer.
    Type: Grant
    Filed: March 28, 2018
    Date of Patent: August 17, 2021
    Assignee: SAKAI DISPLAY PRODUCTS CORPORATION
    Inventors: Katsuhiko Kishimoto, Yukiya Nishioka
  • Publication number: 20210247637
    Abstract: The present invention has: a reflective liquid crystal display element (30) that is formed in a first region (R) on a TFT substrate (20) and having at least the upper surface thereof comprising an inorganic insulating film (25b), and that has a reflective electrode (31), a liquid crystal layer (32), and a counter electrode (33); and a light-emitting element (40) that is formed in a second region (T) above the insulating layer of the TFT substrate, and that has a first electrode (41), a light-emitting layer (43), and a second electrode (44). In addition, the light-emitting element has an encapsulating layer (45) formed of an inorganic insulating layer that covers the entirety of each light-emitting region, and an end portion of the encapsulating layer is bonded to the inorganic insulating film of the insulating layer.
    Type: Application
    Filed: June 11, 2018
    Publication date: August 12, 2021
    Inventors: KATSUHIKO KISHIMOTO, YOZO NARUTAKI, SHINJI SHIMADA, KIYOSHI MINOURA
  • 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: 11088348
    Abstract: An organic EL display device (100) includes a plurality of pixels, and also includes an element substrate including organic EL elements (3) respectively located in the plurality of pixels and a bank layer (48) defining each of the pixels; and a thin film encapsulation structure (10) covering the plurality of pixels. The thin film encapsulation structure includes a first inorganic barrier layer (12) and an organic barrier layer (14) in contact with a top surface or a bottom surface of the first inorganic barrier layer. The plurality of pixels include a red pixel, a green pixel and a blue pixel. The organic EL display device further includes a polydiacetylene layer (52) selectively provided on a second inorganic barrier layer (16) of the thin film encapsulation structure on the blue pixel and exhibiting a blue color. The polydiacetylene layer is a polymer of 10,12-pentacosadiynoic acid.
    Type: Grant
    Filed: January 31, 2018
    Date of Patent: August 10, 2021
    Assignee: SAKAI DISPLAY PRODUCTS CORPORATION
    Inventors: Katsuhiko Kishimoto, Takuji Kato
  • Patent number: 11088122
    Abstract: According to a flexible light-emitting 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 lift-off 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 (210). The first portion (110) includes a plurality of light-emitting devices (1000) which are in contact with the stage (210). The light-emitting 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: May 9, 2018
    Date of Patent: August 10, 2021
    Assignee: SAKAI DISPLAY PRODUCTS CORPORATION
    Inventors: Katsuhiko Kishimoto, Kohichi Tanaka
  • Publication number: 20210242436
    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: Application
    Filed: April 23, 2021
    Publication date: August 5, 2021
    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