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:
Sep. 14, 2004
Filed:
Mar. 25, 2003
Applicant:
Inventors:
Christian T. Deloy, Marion, IA (US);
Roger W. Heidt, Robins, IA (US);
Assignee:
Rockwell Collins, Cedar Rapids, IA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F21S 1/314 ;
U.S. Cl.
CPC ...
F21S 1/314 ;
Abstract
An LED backlight system for dual mode operation with an NVIS system which utilizes non-edge lit night mode LED and a thermal conduction path from the day mode array of LEDS to a rearward disposed heat sink which cross the night mode array of LEDS. The system includes first and second LED arrays, the second array being located behind the first array. Light from the second LED array pass through a plurality of apertures located on the circuit card supporting the first array.
Deloy, Christian. (2004). Method and apparatus for backlighting a dual mode liquid crystal display (U.S. Patent No. 6789921). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6789921
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile