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:
Feb. 04, 2003
Filed:
Mar. 19, 2001
Applicant:
Inventor:
Hirokazu Fukuyoshi, Tokyo, JP;
Assignee:
NEC Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F21V 7/04 ;
U.S. Cl.
CPC ...
F21V 7/04 ;
Abstract
In a backlight unit including an illumination member such as a light guide panel equipped with a line-shaped light source and a light diffusing optical sheet or a light collecting optical sheet arranged on the light guide panel, a reinforcing plate having light transmittance higher than that of the optical sheet and resistive against thermal deformation is stuck on at least one of these optical sheet to restrict thermal deformation of the optical sheet.
Fukuyoshi, Hirokazu. (2003). Backlight unit and display device using the same backlight unit (U.S. Patent No. 6513943). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6513943
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile