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:
Dec. 25, 2007
Filed:
Mar. 29, 2005
Katsumasa Yoshii, Fukushima-ken, JP;
Katsumasa Yoshii, Fukushima-ken, JP;
Alps Electric Co., Ltd., Tokyo, JP;
Abstract
In a concave portion of a reflector of a liquid crystal display, a shape of an opening surface is approximately elliptical. A straight line parallel to a first section line passing through a deepest point of the concave portion along a long axis of the elliptical shape is formed in a portion of the elliptical shape. The concave portion has an asymmetrical shape with respect to the first section which becomes wide from the first section line passing through the deepest point toward a depth direction and has a symmetrical shape with respect to the second section which becomes wide from the second section line perpendicular to the first section line toward the depth direction. A maximum angle of inclination of the second section is larger than a maximum angle of inclination of the first section.