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. 10, 2009
Filed:
Sep. 08, 2006
Kiyokazu Watanabe, Fujiyoshida, JP;
Toshinobu Katsumata, Fujiyoshida, JP;
Kiyokazu Watanabe, Fujiyoshida, JP;
Toshinobu Katsumata, Fujiyoshida, JP;
Citizen Electronics Co., Ltd., Yamanashi-ken, JP;
Abstract
A lighting device for a liquid crystal display and the like comprises: a light guide plate having a top surface serving as a light exiting surface, a bottom reflective surface and a circumferential surface; and a least one LED unit disposed adjacent to the circumferential surface of the light guide plate. The LED unit comprises at least one LED chip, a light emission section facing the circumferential surface of the light guide plate, and a substrate is disposed on and covering the back surface of the light emission section and electrically connected to the LED chip. A flat reflective member is disposed over a top of the light emission section and extending in parallel with and partly overlapping the light guide plate's top surface adjacent to the circumferential surface which faces the LED unit.