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:
Aug. 14, 2012
Filed:
Sep. 07, 2007
Yoshihito Hara, Osaka, JP;
Tetsuo Kikuchi, Osaka, JP;
Hideki Kitagawa, Osaka, JP;
Hajime Imai, Osaka, JP;
Mitsunori Imade, Osaka, JP;
Junya Shimada, Osaka, JP;
Yoshihito Hara, Osaka, JP;
Tetsuo Kikuchi, Osaka, JP;
Hideki Kitagawa, Osaka, JP;
Hajime Imai, Osaka, JP;
Mitsunori Imade, Osaka, JP;
Junya Shimada, Osaka, JP;
Sharp Kabushiki Kaisha, Osaka, JP;
Abstract
A transflective-type and a reflection-type liquid crystal display device having a high reflection efficiency and a high image quality are provided. A liquid crystal display device of the present invention is a liquid crystal display device including a reflection region for reflecting incident light toward a display surface, wherein the reflection region includes a metal layer, an insulating layer formed on the metal layer, a semiconductor layer formed on the insulating layer, and a reflective layer formed on the semiconductor layer; a plurality of recesses are formed in at least one of the metal layer, the insulating layer and the semiconductor layer; a plurality of dents are formed in the reflective layer in the reflection region according to the plurality of recesses; and a shortest distance a between edge portions of at least two of the plurality of recesses is 4 μm or less.