Patents by Inventor Yasuhiro Matsuhita

Yasuhiro Matsuhita 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).

  • Publication number: 20080030658
    Abstract: An object of the invention is to accurately and easily manufacture a color filter. A method of manufacturing a color filter comprises: a first step of forming a first rib (220) forming a light shield layer and a second rib (230) having a smaller height than the first rib (220) in pattern on a base layer (1) by means of a photolithography method; a second step of forming a step-forming layer (4) by dripping an optical transmissive material into an area defined by the first and second ribs (220, 230) by means of ink-jet technique; and a third step of forming a coloring layer by dripping an optical coloring material (5) into an are defined by the first rib (220) by means of ink-jet technique after forming the step-forming layer (4).
    Type: Application
    Filed: July 14, 2005
    Publication date: February 7, 2008
    Inventor: Yasuhiro Matsuhita