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. 20, 1999
Filed:
Mar. 31, 1998
Duane A Grave, Marion, IA (US);
Richard D Hanson, Toddville, IA (US);
Rockwell Science Center, Inc., Thousand Oaks, CA (US);
Abstract
Disclosed are a backlight and a method of driving the same to provide a uniform low intensity source of light for a liquid crystal display. The fluorescent lamp includes a fluorescent lamp and a drive circuit coupled to the anode and to the cathode of the fluorescent lamp for supplying the fluorescent lamp with a drive current. First and second longitudinally extending substantially transparent conductor members are disposed externally along the length of the lamp. A radio frequency (RF) signal generator connected to each of the first and second longitudinally extending conductor members drives the first and second conductor members with an RF signal to generate a dynamic RF electric field within the glass tube.