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:
Jul. 21, 2015
Filed:
Apr. 18, 2011
Mitsuru Hineno, Osaka, JP;
Masanobu Okano, Osaka, JP;
Mitsuru Hineno, Osaka, JP;
Masanobu Okano, Osaka, JP;
SHARP KABUSHIKI KAISHA, Osaka-shi, JP;
Abstract
Provided is a liquid crystal display device that can reduce costs while preventing moving image blurring. The device includes a liquid crystal panel and a backlight device. The backlight device includes a rectangular light guide platein plan view, and a light source unit emitting light toward a light incident surface corresponding to a side surface of the light guide plate. The light source unit is configured by a plurality of light source blocks arranged in a Y direction. The light guide plateincludes a groove structurefor taking out light upward on its front surface opposed to a back surface of the liquid crystal panel, and a dot patternfor scattering light on its back surface. The groove structurehas a plurality of stripe-like grooves extending in an X direction, wherein a ridge extending in the X direction is formed at a portion sandwiched between the two adjacent grooves.