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.

Date of Patent:
Oct. 26, 1999

Filed:

Aug. 20, 1997
Applicant:
Inventor:

Wido Van Duijneveldt, Eindhoven, NL;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F21V / ;
U.S. Cl.
CPC ...
362296 ; 362346 ; 362347 ; 359851 ;
Abstract

A backlight luminaire (50) comprising a plurality of fluorescent lamps (44, 45) and a plurality of sub-reflectors (42, 43) is characterized in that the majority of the sub-reflectors (43) are provided with a portion of more than one lamp. In addition, the majority of the lamps (44, 45) are distributed over more than one sub-reflector (43). The lamps (44, 45) are preferably U-shaped and alternately connected in series. The backlight luminaire (50) is employed in liquid-crystal display devices (51) to attain a uniform light distribution.


Find Patent Forward Citations

Van Duijneveldt, Wido. (1999). Backlight luminaire (U.S. Patent No. 5971567). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5971567

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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