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.:

US 7226199 B1

PDF
Full Text
Expired
Date of Patent:
Jun. 05, 2007

Filed:

Oct. 07, 2002
Applicants:

Makoto Shimizu, Kanazawa, JP;

Yoshinori Yasuda, Ishikawa-gun, JP;

Toshihiko Ura, Nomi-gun, JP;

Inventors:

Makoto Shimizu, Kanazawa, JP;

Yoshinori Yasuda, Ishikawa-gun, JP;

Toshihiko Ura, Nomi-gun, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 8/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A lighting unit of the present invention includes a light guiding plate (), a light source () disposed so as to face an end face of the light guiding plate, a reflector () disposed so as to surround the light source, a housing () disposed so as to have a light guiding plate-retaining portion () that retains at least the reflector and is partially interposed between the light source and the end face of the light guiding plate so as to retain the light guiding plate, and a reflecting sheet () disposed on one of principal surfaces of the light guiding plate, the lighting unit being configured such that light from the light source enter into the end face of the light guiding plate and goes out from another principal surface of the light guiding plate. The reflecting sheet is disposed so that an edge portion () is bent so as to be positioned between the light guiding plate-retaining portion of the housing and the end face of the light guiding plate.


Find Patent Forward Citations

Shimizu, Makoto. (2007). Lighting unit and liquid crystal display device using the unit (U.S. Patent No. 7226199). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7226199

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