Patents Assigned to Seiko Epson Corporation
  • Publication number: 20240090301
    Abstract: A display device according to the present disclosure includes a substrate, a lens layer including a lens, a pixel electrode disposed between the substrate and the lens layer, and a color filter disposed between the pixel electrode and the lens layer. The color filter includes a colored portion that overlaps a part of the pixel electrode in plan view and is disposed between the substrate and the lens layer. The pixel electrode is provided in a display region in which an image is displayed. The lens overlaps a part of the pixel electrode in the plan view. A distance between the center of the pixel electrode and the display center of the display region is shorter than a distance between the center of the lens and the display center in the plan view.
    Type: Application
    Filed: November 22, 2023
    Publication date: March 14, 2024
    Applicant: SEIKO EPSON CORPORATION
    Inventor: Takeshi KOSHIHARA
  • Publication number: 20240085749
    Abstract: A liquid crystal device includes a transistor, a pixel electrode provided corresponding to the transistor, a lens layer provided in a layer between the transistor and the pixel electrode, a relay layer provided in a layer between the transistor and the lens layer, and a contact plug configured to electrically connect the relay layer and the pixel electrode, and a part of the contact plug is provided in the relay layer.
    Type: Application
    Filed: September 10, 2023
    Publication date: March 14, 2024
    Applicant: SEIKO EPSON CORPORATION
    Inventor: Masahito YOSHII
  • Patent number: 11930152
    Abstract: A plurality of nozzle rows include a first nozzle row including first nozzles, a second nozzle row including second nozzles, and a third nozzle row including third nozzles. The third nozzle row is provided between the first nozzle row and the second nozzle row in a relative movement direction. When the first ink from the first nozzle is replaced at least by the second ink from the second nozzle and the third ink from the third nozzle, an edge portion of an output image to be formed is formed in such a manner that a first use rate is lower than a second use rate, the first use rate being a use rate of the second nozzle for the edge portion of the output image, the second use rate being a use rate of the second nozzle for a non-edge portion of the output image.
    Type: Grant
    Filed: September 21, 2021
    Date of Patent: March 12, 2024
    Assignee: Seiko Epson Corporation
    Inventor: Takuma Hayashi
  • Patent number: 11926095
    Abstract: A three-dimensional object printing apparatus includes a first head, an energy emitter, and a moving mechanism. The first head has a first nozzle face in which a nozzle for ejecting liquid is provided. The energy emitter has an emission face from which energy for curing the liquid ejected from the first head is emitted. The moving mechanism changes relative position of the first head and the energy emitter in relation to a three-dimensional workpiece. The moving mechanism includes a linear motion mechanism that changes the relative position of the first head and the energy emitter in relation to the workpiece along a first axis, a first up-and-down mechanism that moves the first nozzle face along a second axis intersecting with the first axis, and a second up-and-down mechanism that moves the emission face along the second axis.
    Type: Grant
    Filed: August 31, 2022
    Date of Patent: March 12, 2024
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Keigo Sugai
  • Patent number: 11926151
    Abstract: A winding device is capable of easily moving a flange portion to a position corresponding to a width of a continuous medium. A winding device that winds a print medium, the winding device including a winding shaft, a winding core portion that is provided to be rotatable on the winding shaft and that winds a continuous medium, a first flange portion that is provided on the winding shaft to be movable in an extending direction of the winding shaft and that guides the continuous medium wound around the winding core portion in a width direction of the continuous medium, a flange-side engaging portion capable of moving integrally with the first flange portion, and a flange moving section that includes a cylindrical cam provided with a cam-side engaging portion that engages with the flange-side engaging portion and that moves the first flange portion to a plurality of flange positions.
    Type: Grant
    Filed: March 1, 2019
    Date of Patent: March 12, 2024
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Akihiro Shintani
  • Patent number: 11930143
    Abstract: There is provided an image reading apparatus in which a low output mode is a mode that can be controlled in a coupling state where a low power-feeding USB device is coupled, a high output mode is a mode that can be controlled in a coupling state where a high power-feeding USB device capable of feeding power higher than the low power-feeding USB device is coupled, and a control section does not perform image reading at a second reading speed faster than a first reading speed and performs image reading at the first reading speed in the low output mode.
    Type: Grant
    Filed: February 24, 2023
    Date of Patent: March 12, 2024
    Assignee: Seiko Epson Corporation
    Inventors: Yasunori Fukumitsu, Masahiko Mizoguchi
  • Patent number: 11929710
    Abstract: An oscillator includes a resonator, an oscillation circuit, and first and temperature compensation circuits. The first temperature compensation circuit performs a first-order first temperature compensation processing in a first mode and performs the first-order first temperature compensation processing and a high-order first temperature compensation processing in a second mode for a frequency of a first clock signal generated by oscillation of the resonator by the oscillation circuit. The second temperature compensation circuit receives the first clock signal and outputs a second clock signal subjected to a high-order second temperature compensation processing based on the first clock signal.
    Type: Grant
    Filed: December 22, 2022
    Date of Patent: March 12, 2024
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Yosuke Itasaka
  • Patent number: 11926166
    Abstract: A liquid ejecting apparatus includes a first liquid ejecting head configured to eject a liquid to an ejection direction, a sub-carriage that holds the first liquid ejecting head, and a carriage that holds the sub-carriage. The sub-carriage includes: a first member that is thermally conductive and holds the first liquid ejecting head; and a heating section provided in the first member. The first liquid ejecting head includes a first side wall facing the first member. The first member is located between the heating section and the first side wall when viewed in the ejection direction.
    Type: Grant
    Filed: May 9, 2022
    Date of Patent: March 12, 2024
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Yukihiro Hanaoka, Takao Yamamoto
  • Patent number: 11926154
    Abstract: A liquid ejecting apparatus includes a digital signal output circuit and a liquid accommodating container, in which the print head includes a supply port, a nozzle plate, a substrate having first and second sides positioned opposite to each other, third and fourth sides positioned opposite to each other, a first surface, and a second surface, a connector to which the digital signal is input, and an integrated circuit to which the digital signal is input via the connector and that outputs an abnormality detection signal, the connector is provided on the first surface, the integrated circuit is provided on the second surface, the substrate includes an annular wiring electrically coupled to the integrated circuit, and the annular wiring is disposed in an annular shape along an outer periphery of the substrate including the first side, the second side, the third side, and the fourth side.
    Type: Grant
    Filed: March 28, 2022
    Date of Patent: March 12, 2024
    Assignee: Seiko Epson Corporation
    Inventors: Kazuma Fujihashi, Yasuhiko Kosugi
  • Patent number: 11927754
    Abstract: A virtual image display device includes: an image light generating device; a projection optical system configured to project image light emitted from the image light generating device; a folding mirror configured to reflect, in an intersecting direction, the image light from the projection optical system; a semi-transmissive mirror configured to reflect a portion of the image light from the folding mirror; and a concave surface mirror configured to reflect, toward the semi-transmissive mirror, the image light reflected at the semi-transmissive mirror to form an exit pupil, in which an optical axis of the image light extending from the image light generating device to the folding mirror is disposed between a first virtual extension plane obtained by imaginarily extending the semi-transmissive mirror and a second virtual extension plane obtained by imaginarily extending the concave surface mirror.
    Type: Grant
    Filed: March 31, 2021
    Date of Patent: March 12, 2024
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Daiki Matsumoto, Masatoshi Yonekubo, Takashi Takeda
  • Patent number: 11926162
    Abstract: An ink refill container configured to refill an ink tank with ink and an ink refill system. An ink refill container includes a container main body having an ink chamber; an ink outlet forming portion provided at an edge of the container main body including an ink outlet configured to allow ink to flow out from the ink chamber; a valve provided in ink outlet forming portion and configured to seal the ink outlet in an openable and closable manner; and a positioning structure configured to abut on part of the ink tank and position the valve relative to ink tank when valve is opened. The positioning structure has a positioning surface located on an opposite side to a container main body side where the container main body is located, across the valve and extends in a direction intersecting with a center axis of the ink outlet.
    Type: Grant
    Filed: April 19, 2023
    Date of Patent: March 12, 2024
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Tadahiro Mizutani, Taku Ishizawa, Noriyuki Fukasawa, Naomi Kimura, Shoma Kudo, Manabu Akahane
  • Patent number: 11927916
    Abstract: For example, an escape gear wheel part as a watch component includes a base member including a first surface and a second surface opposite the first surface, the base member being mainly composed of silicon, and a light reflecting layer provided at the first surface of the base member, the light reflecting layer having a three-layer structure in which a first silicon oxide layer, a silicon layer, and a second silicon oxide layer are layered in this order.
    Type: Grant
    Filed: March 13, 2020
    Date of Patent: March 12, 2024
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Kazuyuki Miyashita
  • Patent number: 11928324
    Abstract: A colorimetric system includes an acquiring unit that acquires a colorimetric value obtained by performing colorimetry by a colorimetric unit, a display processing unit that performs a process of displaying a comparison graphic obtained by combining a reference color graphic of a reference color region with a sample color graphic of a sample color region, and a comparison processing unit that compares a color value of a reference color set in the reference color region with a color value of a sample color set in the sample color region.
    Type: Grant
    Filed: May 27, 2022
    Date of Patent: March 12, 2024
    Assignee: Seiko Epson Corporation
    Inventor: Masami Ishihara
  • Patent number: 11927484
    Abstract: A color measurement apparatus includes an incident light processing portion that processes light incident through the opening portion, a light emission portion that emits light toward the measurement target, a first circuit substrate in which the incident light processing portion is disposed, a second circuit substrate in which the light emission portion is disposed, and a frame assembly that is formed of a metal material, and in which the first circuit substrate and the second circuit substrate are disposed, in which the frame assembly includes a main frame that forms a base of the apparatus, a first subframe that holds the first circuit substrate, and a second subframe that holds the second circuit substrate, and the first subframe and the second subframe are in direct or indirect contact with the main frame.
    Type: Grant
    Filed: November 9, 2021
    Date of Patent: March 12, 2024
    Assignee: Seiko Epson Corporation
    Inventors: Haruki Miyasaka, Sho Aruga
  • Patent number: 11929223
    Abstract: An abnormality detection circuit includes a first voltage detection circuit to which a voltage is applied from an AC power source when a first relay contact is closed and a second voltage detection circuit to which a voltage is applied from the AC power source when a second relay contact is closed. One end of the first voltage detection circuit is connected to the AC power source via the second wiring line while passing through no other switch. One end of the second voltage detection circuit is connected to the AC power source via the first wiring line while passing through no other switch. Abnormalities of the first and second relay contacts are detected by comparing the voltage applied to a comparative voltage detection circuit with each of the voltages applied to the first and second voltage detection circuits, respectively.
    Type: Grant
    Filed: December 23, 2021
    Date of Patent: March 12, 2024
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Toshihiko Katayama
  • Patent number: 11930140
    Abstract: An information processing device includes an acquisition unit configured to obtain a group datum in which a plurality of print layers to be printed in a stacked manner is grouped, and a display controller configured to make a display unit output a plurality of icons which corresponds respectively to the plurality of print layers included in the group datum, and which is arranged in an order of stacking the print layers corresponding to the icons, as layer configuration information representing a layer configuration of the group datum.
    Type: Grant
    Filed: January 26, 2023
    Date of Patent: March 12, 2024
    Assignee: Seiko Epson Corporation
    Inventor: Ryotaro Hayashi
  • Patent number: 11930305
    Abstract: A circuit apparatus is used in a laser projector that projects an image onto a projection surface by using laser beams having different wavelengths or a plurality of colors. The circuit apparatus includes a distortion correction circuit and an output circuit. The distortion correction circuit performs distortion correction on a color basis on display image data corresponding to the plurality of colors. The output circuit outputs the display image data as a result of the distortion correction. The distortion correction circuit performs the distortion correction on a color basis by using warp parameters different from one another among the plurality of colors.
    Type: Grant
    Filed: July 8, 2022
    Date of Patent: March 12, 2024
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Yasutoshi Akiba
  • Patent number: 11929036
    Abstract: An electro-optical device includes: a data signal output circuit including a D/A converter circuit; a plurality of terminals; a control circuit supplied with a power supply potential VL from at least one terminal of the plurality of terminals via a first power supply wiring line; and a power supply circuit configured to generate a power supply potential VPL in accordance with potentials AVDD and AVSS supplied via two or more terminals of the plurality of terminals and supply the power supply potential VPL to a second power supply wiring line. The D/A converter circuit includes a plurality of capacitance elements. The first power supply wiring line or the second power supply wiring line is selectively coupled to one portion of the plurality of capacitance elements.
    Type: Grant
    Filed: March 27, 2023
    Date of Patent: March 12, 2024
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Hitoshi Ota
  • Publication number: 20240080420
    Abstract: An illuminator includes a first light source that emits first light, a second light source that emits second light, a light combining member that combines the first light and the second light, a light diffuser that diffuses combined light, a light collector that is disposed between the light combining member and the light diffuser and directs the combined light toward the light diffuser, and a collimator that parallelizes the combined light emitted from the light diffuser. The light diffuser includes a diffusion plate having a diffusion surface that diffusively reflects the combined light, and a driver that rotates the diffusion plate. The diffusion surface inclines with respect to the optical axis of the light collector. An incidence position where the chief ray of the combined light is incident on the light collector is shifted with respect to the optical axis toward the side where the collimator is disposed.
    Type: Application
    Filed: September 6, 2023
    Publication date: March 7, 2024
    Applicant: SEIKO EPSON CORPORATION
    Inventor: Koichi AKIYAMA
  • Publication number: 20240075746
    Abstract: A liquid storage includes: a liquid storing portion for storing liquid; a liquid supply member coupled to the liquid storing portion and having a supply path for supplying the liquid stored in the liquid storing portion to a printing apparatus; and an adapter having a plurality of engaging portions configured to engage the liquid supply member.
    Type: Application
    Filed: September 1, 2023
    Publication date: March 7, 2024
    Applicant: SEIKO EPSON CORPORATION
    Inventor: Masahiro KARASAWA