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:
Feb. 04, 2014
Filed:
Mar. 01, 2012
Hiroyuki Miyazaki, Mutsuzawa, JP;
Akio Miyauchi, Mobara, JP;
Nobuyuki Koganezawa, Chiba, JP;
Japan Display Inc., Tokyo, JP;
Abstract
The liquid crystal display device is a liquid crystal display device having: a light guide plate for converting light from a light source into backlight for illumination; a first frame for containing the light guide plate; and a liquid crystal display panel provided over said light guide plate, wherein the liquid crystal display device further has a photosensor that is placed so as to face a sidewall of the light guide plate and detect an amount of the backlight, and the photosensor is placed so as to face the sidewall of the light guide plate through a hole or a notch created in a sidewall portion of the first frame.