Patents Assigned to Sakai Display Products Corporation
  • 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: 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
  • 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: 11091308
    Abstract: A container (100) having: a housing member (10) having a bottom surface member (12) and a side surface member (14); and a protective member (20a) having a receiving surface in contact with an item to be housed. The bottom surface member defines the xy plane and the side surface member defines the xz plane and the yz plane that are orthogonal to the xy plane. The side surface member has a cut-out section (15a) that faces a housing space. The protective member has: an inside member (22a) comprising a receiving section (22R) having two receiving surfaces (23, 24) parallel to the xz plane and the yz plane; and an outside member (32a) arranged between the inside member and a side surface parallel to the yz plane of the side surface member, said outside member being fitted to the inside member so as to be slidable in a direction intersecting the bottom surface. The inside member and the outside member are arranged in the cut-out section so as to each be independently attachable and detachable.
    Type: Grant
    Filed: September 7, 2017
    Date of Patent: August 17, 2021
    Assignee: SAKAI DISPLAY PRODUCTS CORPORATION
    Inventor: Kazuki Nakamichi
  • Patent number: 11092835
    Abstract: A light guide member has a plurality of optical fibers extending from a light receiving surface to a light emitting surface, and an extension part formed on the light emitting surface extending laterally, with respect to the light receiving surface, in a width direction. At least one part of the plurality of optical fibers is configured that the dimension of each optical fiber in the width direction is greater on the light emitting surface than the light receiving surface. The light guide member is configured to be provided on the outer periphery of at least two adjacent display panels to reduce non-display areas of a multi-display arrangement.
    Type: Grant
    Filed: December 6, 2019
    Date of Patent: August 17, 2021
    Assignee: SAKAI DISPLAY PRODUCTS CORPORATION
    Inventor: Tomohiro Asamizu
  • 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: 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
  • 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: 11081073
    Abstract: A liquid crystal display apparatus is disclosed. In the liquid crystal display apparatus, a first pixel of a plurality of pixels arranged in a matrix comprises a first sub-pixel and a second sub-pixel. The first sub-pixel and the second sub-pixel are connected to a first scanning line of a plurality of scanning lines, to which the first scanning line is supplied a first scanning signal. A first potential is supplied to a first auxiliary capacitance of the first sub-pixel based on a first control signal to select any of a plurality of row pixel groups after the first scanning signal. A second potential being different from the first potential is supplied to a second auxiliary capacitance of the second sub-pixel based on a second control signal to select any one of a plurality of row pixel groups after the first scanning signal.
    Type: Grant
    Filed: March 17, 2020
    Date of Patent: August 3, 2021
    Assignee: SAKAI DISPLAY PRODUCTS CORPORATION
    Inventors: Koji Hasegawa, Yoshitaka Okumoto, Tokuyoshi Awa
  • Patent number: 11081507
    Abstract: A semiconductor device includes a thin film transistor 101 including: a semiconductor layer 4 provided on a gate electrode 2 with a gate insulating layer 3 therebetween, wherein the semiconductor layer includes a first region Rs, a second region Rd, and a source-drain interval region RG that is located between the first region and the second region and overlaps with the gate electrode as seem from a direction normal to a substrate; a protection layer 5 arranged on the semiconductor layer 4; a first contact layer Cs in contact with the first region and a second contact layer Cd in contact with the second region; a source electrode 8s; and a drain electrode 8d, wherein: the semiconductor layer 4 includes a crystalline silicon region 4p, and at least a portion of the crystalline silicon region 4p is located in the source-drain interval region RG; and at least one opening 10 is provided that runs through the protection layer 5 and the semiconductor layer 4 and reaches the gate insulating layer 3, wherein the at l
    Type: Grant
    Filed: July 12, 2017
    Date of Patent: August 3, 2021
    Assignee: SAKAI DISPLAY PRODUCTS CORPORATION
    Inventors: Shigeru Ishida, Tomohiro Inoue, Ryohei Takakura
  • Patent number: 11079633
    Abstract: A liquid crystal display apparatus includes first and second substrates and a liquid crystal layer of vertical alignment type. The first substrate includes pixel electrodes and a first alignment film, whereas the second substrate includes a counter electrode and a second alignment film. Each pixel includes first and second subpixels which allow respectively different voltages to be applied across the liquid crystal layer. Each pixel electrode includes first and second subpixel electrodes. Each of the first and second subpixels includes first to fourth liquid crystal domains having respectively different reference alignment directions being defined by the first and second alignment films. First to fourth directions, which are the reference alignment directions of the first to fourth liquid crystal domains, each make an angle which is substantially equal to an odd multiple of 45° with respect to the pixel transverse direction.
    Type: Grant
    Filed: May 28, 2020
    Date of Patent: August 3, 2021
    Assignees: SAKAI DISPLAY PRODUCTS CORPORATION, SHARP KABUSHIKI KAISHA
    Inventors: Mitsuaki Hirata, Fumikazu Shimoshikiryoh
  • Patent number: 11075249
    Abstract: This organic EL display device (100) is provided with an element substrate which comprises multiple pixels and which comprises organic EL elements (3) arranged in each pixel and bank layers (48) defining the pixels, and a thin-film sealing structure (10) which covers the pixels. The thin-film sealing structure includes a first inorganic barrier layer (12), and an organic barrier layer (14) in contact with the upper surface or lower surface of the first inorganic barrier layer. The multiple pixels include red pixels, green pixels and blue pixels, and further have a first polydiacetylene layer (52a) which exhibits a blue color and which is provided selectively on a second inorganic barrier layer (16) of the thin-film sealing structure on blue pixels, and a second polydiacetylene layer (52b) which exhibits a red color and which is provided selectively on the thin-film sealing structure on red pixels. The first and second polydiacetylene layers are a polymer of 10,12-pentacosadiynoic acid.
    Type: Grant
    Filed: January 31, 2018
    Date of Patent: July 27, 2021
    Assignee: SAKAI DISPLAY PRODUCTS CORPORATION
    Inventors: Katsuhiko Kishimoto, Takuji Kato
  • 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: 11067857
    Abstract: Provided are: a display panel whereby a frame can be narrowed, while ensuring conduction between substrates; a display device; and a method for manufacturing the display panel. The display panel is provided with: a first substrate having a surface, on which an electrode layer is formed; a second substrate having a surface, on which a wiring path for supplying the electrode layer with signals is formed; and a sealing section that defines a space sealed between the first substrate surface and the second substrate surface, which are facing each other. The display panel is also provided with a columnar section that electrically connects the electrode layer to the wiring path. The columnar section is formed at a position in contact with the sealing section.
    Type: Grant
    Filed: September 5, 2016
    Date of Patent: July 20, 2021
    Assignee: SAKAI DISPLAY PRODUCTS CORPORATION
    Inventors: Kenta Takeuchi, Chikanori Tsukamura, Naoki Kotani, Kenichi Mukai
  • Patent number: 11054693
    Abstract: An illuminating device (200) according to the present invention is provided with: a substrate (4) having a surface, on which a plurality of light sources (3) are mounted; a housing (12), in which an opening is defined; a diffusion plate (9) that is disposed facing a bottom plate section (50) so as to close the opening; a duct (14) having an air inlet (23) and an air outlet (24); a fan (15) that generates an airflow in the duct (14); a first flow channel (P1); and a second flow channel (P2). The first flow channel (P1) communicates a space inside of the housing (12) closed by the diffusion plate (9) with the inside of the duct (14). The housing (12) is connected to, via a first opening (55) that is provided at the bottom plate section (50) or a side plate section (52), a venturi section (140) that is formed between the air inlet (23) and the air outlet (24) of the duct (14).
    Type: Grant
    Filed: March 29, 2017
    Date of Patent: July 6, 2021
    Assignee: SAKAI DISPLAY PRODUCTS CORPORATION
    Inventor: Daisuke Teragawa
  • Patent number: 11054709
    Abstract: A display panel (300) equipped with a display region (301) in which a plurality of switching elements (303) are positioned, a plurality of supply circuits (10) which supply a scanning signal the switching elements (303) and are arranged in a first direction in the periphery of the display region (301), a plurality of first signal lines (11, 12, 13, 14) which supply a prescribed signal to the supply circuits (10), extend in the first direction, and are arranged in a second direction which intersects the first direction, and a plurality of second signal lines (40, 41) which supply the prescribed signal to the supply circuits (10) and connect the first signal lines (11, 12, 13, 14) and the supply circuits (10) to one another, the display panel (300) being characterized in that some of the second signal lines (40, 41) have a meandering section (4a) that meanders in the portion thereof that overlaps the connected first signal lines (12, 13, 14).
    Type: Grant
    Filed: January 24, 2017
    Date of Patent: July 6, 2021
    Assignee: SAKAI DISPLAY PRODUCTS CORPORATION
    Inventor: Hidetoshi Nakagawa
  • 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: 11043635
    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: Grant
    Filed: December 25, 2017
    Date of Patent: June 22, 2021
    Assignee: SAKAI DISPLAY PRODUCTS CORPORATION
    Inventors: Katsuhiko Kishimoto, Susumu Sakio
  • Patent number: 11038154
    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: Grant
    Filed: December 25, 2017
    Date of Patent: June 15, 2021
    Assignee: SAKAI DISPLAY PRODUCTS CORPORATION
    Inventor: Katsuhiko Kishimoto