Patents by Inventor Masaru Matsuzawa

Masaru Matsuzawa 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: 9423653
    Abstract: A backlight unit includes: a bottom chassis including a lower portion and side portions enclosing the lower portion; a light source plate to which a light source is attached; a diffuser configured to diffuse light generated from the light source; an optical sheet disposed on the diffuser and adapted to further diffuse the light diffused by the diffuser; and a first mold including a first inclined portion which is disposed between the diffuser and the optical sheet and may prevent the diffuser and the optical sheet from contacting each other, the first inclined portion may reflect light transmitted by the diffuser and emitted from the side of the diffuser toward the bottom chassis.
    Type: Grant
    Filed: June 16, 2014
    Date of Patent: August 23, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ki Chang Lee, Byung Kook Sim, Sung-Hun Lee, Masaru Matsuzawa, Hyun Su Park
  • Publication number: 20150016090
    Abstract: A backlight unit includes: a bottom chassis including a lower portion and side portions enclosing the lower portion; a light source plate to which a light source is attached; a diffuser configured to diffuse light generated from the light source; an optical sheet disposed on the diffuser and adapted to further diffuse the light diffused by the diffuser; and a first mold including a first inclined portion which is disposed between the diffuser and the optical sheet and may prevent the diffuser and the optical sheet from contacting each other, the first inclined portion may reflect light transmitted by the diffuser and emitted from the side of the diffuser toward the bottom chassis.
    Type: Application
    Filed: June 16, 2014
    Publication date: January 15, 2015
    Inventors: Ki Chang LEE, Byung Kook SIM, Sung-Hun LEE, Masaru MATSUZAWA, Hyun Su PARK
  • Publication number: 20100301714
    Abstract: A cabinet includes a first and a second sub-cabinet having a first and a second inner wall, respectively. The sub-cabinets are fixed to each other so that the inner walls face each other with a gap of a specific distance therebetween. A first and a second rib are laid on the first and second inner walls, respectively. The first and second ribs have an almost same shape as the outer shape of the first and second sub-cabinets, respectively. The first rib is placed outside the second rib at least in a specific direction among upper, lower, left and right directions of the sub-cabinets. The first and second ribs have a height in the specific direction, the height being greater than at least a half of the specific distance.
    Type: Application
    Filed: May 28, 2010
    Publication date: December 2, 2010
    Applicant: Victor Company of Japan. Ltd. a Corporation of Japan
    Inventors: Hidetoshi Ishibashi, Masaru Matsuzawa, Mikio Okumura
  • Publication number: 20090225254
    Abstract: A display module includes a base plate having a front surface section and a rear surface section that has at least one edge section, a display panel provided on the front surface section of the base plate, a circuit board provided in a specific zone of the rear surface section of the base plate in which the specific zone is closer to the edge section of the rear surface section of the base plate than a center of the rear surface section is, and a protecting cover to protect the circuit board and the base plate. The protecting cover has a higher section and a lower section that is closer to the base plate than the higher section is so that the higher section at least partially covers the circuit board while the lower section at least partially covers the base plate. The higher and lower sections give a space inside the display module but outside the protecting cover.
    Type: Application
    Filed: March 9, 2009
    Publication date: September 10, 2009
    Applicant: Victor Company of Japan, Ltd.
    Inventors: Masaru Matsuzawa, Michitaka Sakamoto, Hidetoshi Ishibashi, Shigehiro Masuji