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:
Aug. 19, 2003
Filed:
Jul. 30, 1999
Randall D. Blanchard, San Diego, CA (US);
Other;
Abstract
A display device ( ) is comprised of a display unit ( ) and a high efficiency backlight assembly ( ). The backlight assembly ( ) is comprised of an inductively coupled electrodless fluorescent lamp ( ) for providing light to the display unit ( ). The display unit ( ) includes a liquid crystal display (LCD) element ( ) for displaying an image and a diffuser ( ) for using the light generated by the backlight unit ( ) to create a relatively uniform level of brightness over the entire area of the LCD element ( ). The electrodless lamp ( ) is preferably mounted in a reflective lamp housing ( ) having a reflective lamp lining ( ) designed to provide uniform illumination intensity on the LCD element ( ). The electrodless lamp ( ) may have a rectangular shape and a center reflector ( ) mounted within the rectangular opening to further direct light toward the LCD element ( ). In a further version of the invention, a backlight unit ( ) is comprised of a light guide ( ) having remote electrodless lamps optically connected to the ends ( ) thereof.