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. 12, 2006
Filed:
Mar. 24, 2004
Shin-ichirou Ono, Kanagawa, JP;
Hirokazu Fukuyoshi, Kanagawa, JP;
Shin-Ichirou Ono, Kanagawa, JP;
Hirokazu Fukuyoshi, Kanagawa, JP;
NEC LCD Technologies, Ltd., Kanagawa, JP;
Abstract
A double-sided, direct-irradiation type backlight unit has a structure of capable of reducing the luminance irregularity and improve the luminance efficiency. The backlight unit has a scatter-reflection rod memberbetween each adjacent two of elongate lamps. The scatter-reflection rod memberhas a symmetric shape with respect to the line passing the center thereof in X-direction, and that passing the center thereof in Y-direction. The light emitted from the elongate lampin X-direction is reflected by the scatter-reflection-rod memberand then travels in the direction toward the front- and rear-side diffusion plates