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. 03, 2001
Filed:
Jul. 29, 1999
Toshiyuki Tsumura, Kanagawa, JP;
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Abstract
A backlighting element,includes an EL panel for illuminating the back of a display unit,to thereby provide a good viewing. A control unit,sends an instruction to a backlight driver,and intermittently drives the backlighting element,at appropriate timings, or temporarily stops the driving of the backlighting element,in synchronism with operation timings of a radio processing unit,The radio processing unit is adversely affected by noise generated when the backlighting element is operated. A light storage member is provided on the backlighting element,or in its vicinity. With provision of the light storage member, the lighting time of the backlighting element is reduced. When the backlighting element is lit off, the user is not put to inconvenience.