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:
Nov. 10, 2009
Filed:
Jun. 10, 2005
Applicants:
Tetsuya Minobe, Kusatsu, JP;
Masayuki Shinohara, Nagaokakyo, JP;
Inventors:
Tetsuya Minobe, Kusatsu, JP;
Masayuki Shinohara, Nagaokakyo, JP;
Assignee:
OMRON Corporation, Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 7/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A diffusing board which can suppress moiré fringes, color flickering and screen brightness deterioration on a screen of a liquid crystal display device. On the surface of a transparent board (), a pattern wherein substantially rectangular shapes are arranged in lattice by using a synthesized pattern () is formed. The synthesized pattern () is provided by synthesizing a plurality of first uneven patterns () having a linear shape which is long in one direction, and a plurality of concave lens shaped second uneven patterns () arranged at random.