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:
Apr. 15, 2008
Filed:
Mar. 26, 2004
Tetsuya Hamada, Kawasaki, JP;
Kunihiro Tashiro, Kawasaki, JP;
Mari Sugawara, Kawasaki, JP;
Toshihiro Suzuki, Kawasaki, JP;
Tetsuya Hamada, Kawasaki, JP;
Kunihiro Tashiro, Kawasaki, JP;
Mari Sugawara, Kawasaki, JP;
Toshihiro Suzuki, Kawasaki, JP;
Sharp Kabushiki Kaisha, Osaka, JP;
Abstract
To suppress a decrease in the contrast caused by the reflection on the interface to the air layer without decreasing the quality of display. A reflection-type liquid crystal display device includes a light guide plate having a polarizing element stuck or adhered thereto on the side facing a reflection-type liquid crystal display panel, a source of light arranged on an end surface side of the light guide plate, and the reflection-type liquid crystal display panel arranged maintaining a predetermined gap relative to the light guide plate, wherein a light-diffusing function is imparted to the surface of the reflection-type liquid crystal display panel on the side facing the light guide plate.