Patents Examined by Thanh P Nguyen
  • Optical substrate, electro-optical device, electronic apparatus, and method for manufacturing optical substrate
    Patent number: 11635652
    Abstract: An optical substrate includes a first substrate, a light-transmitting layer disposed at the first substrate, concave portions provided in the light-transmitting layer, and a lens layer disposed so as to fill the concave portions. The light-transmitting layer is constituted by a plurality of light-transmitting layers, and an edge of the concave portion is in contact with an edge of an adjacent concave portion adjacent to the concave portion.
    Type: Grant
    Filed: April 14, 2021
    Date of Patent: April 25, 2023
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Shotaro Izawa, Satoshi Ito