The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 05, 2010
Filed:
Jul. 22, 2005
Applicants:
Toru Shirai, Mie, JP;
Yasuhiro Kohara, Mie, JP;
Morihide Ohsaki, Mie, JP;
Kenji Takii, Mie, JP;
Inventors:
Assignee:
Sharp Kabushiki Kaisha, Osaka-Shi, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 21/00 (2006.01); G01N 21/25 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for inspecting a color filter includes a first step of disposing the color filter so that the color filter is opposed to a light source, a second step of outputting, from the light source, monochromatic light of a color corresponding to one of the colors of color layers of the color filter and entering the light into the plurality of color layers, and a third step of inspecting for display unevenness in each of the color layers with light transmitted through the color layers.