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:
Mar. 23, 1999
Filed:
Mar. 06, 1996
Naohiro Mashino, Mobara, JP;
Hisao Hirayama, Mobara, JP;
Hitachi, Ltd., Tokyo, JP;
Hitachi Electronic Devices Co. Ltd., Mobara, JP;
Abstract
In order to provide a liquid crystal display (LCD) device capable of improving the display quality by preventing light leakage in the end portion of a display window on the side adjacent a fluorescent tube, a liquid crystal display device has a LCD panel, a light guide placed under the LCD panel, a fluorescent tube placed close to and along at least one side of the light guide, a lamp reflector sheet for covering substantially the whole length of the fluorescent tube, a diffusion sheet placed on the light guide under the LCD panel, and a reflective sheet placed under the light guide, wherein the surface of the lamp reflector sheet, reflective sheet or the diffusion sheet on the one side of the light guide is printed in color.