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. 24, 2009
Filed:
Feb. 20, 2004
Applicants:
Sadao Ioki, Kiryu, JP;
Sanji Arisawa, Joetsu, JP;
Seijiro Tomita, Komae, JP;
Inventors:
Assignees:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G 3/36 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention is intended to change the viewing angle in accordance with a viewer's intention. Disposed between a light source () and a liquid crystal display panel (), a Fresnel lens () converts light coming from the light source () to approximately parallel light and allows plural images to be displayed to different positions. The light source () is configured in such a manner that lighting positions and lighting regions can be changed. Lighting control means for changing the lighting positions or lighted regions of the light sources () is provided.