Patents Assigned to Toyoda Gose Co., Ltd.
  • Light emitting diode display unit
    Patent number: 6496162
    Abstract: An LED display unit disclosed. A plurality of pixels are provided on an insulation substrate. Each pixel comprises vertically arranged green, red, and blue LEDs, wherein the green LED is above the red LED, and the blue LED is below the red LED. Each pixel is positioned in a corresponding one of cavities defined in a predetermined pattern on the insulation substrate, and each cavity provides a light reflection surface on the inner wall.
    Type: Grant
    Filed: January 4, 2001
    Date of Patent: December 17, 2002
    Assignees: Koha Co., Ltd., Toyoda Gose Co., Ltd.
    Inventors: Shingo Kawakami, Junichi Mizutani, Hideki Mori
  • Light emitting diode display unit
    Patent number: 6236382
    Abstract: An LED display unit disclosed. A plurality of pixels are provided on an insulation substrate. Each pixel comprises vertically arranged green, red, and blue LEDs, wherein the green LED is above the red LED, and the blue LED is below the red LED. Each pixel is positioned in a corresponding one of cavities defined in a predetermined pattern on the insulation substrate, and each cavity provides a light refletion surface on the inner wall.
    Type: Grant
    Filed: May 18, 1998
    Date of Patent: May 22, 2001
    Assignees: Koha Co., Ltd., Toyoda Gose Co., Ltd.
    Inventors: Shingo Kawakami, Jun ichi Mizutani, Hideki Mori