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 7468579 B1

PDF
Full Text
Expired
Date of Patent:
Dec. 23, 2008

Filed:

Feb. 10, 2005
Applicant:

Akio Hiraki, Hyogo, JP;

Inventor:

Akio Hiraki, Hyogo, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J 19/06 (2006.01); H01J 1/62 (2006.01);
U.S. Cl.
CPC ...
Abstract

A carbon fiber mixed paperobtained by mixing a fiber blend, which is obtained by knitting a carbon fiber and a glass fiber, into a paper material is used as the material for an anode that opposes to an electron emission cathode. A phosphor is applied onto this carbon fiber mixed paper, and further, an electrodeis provided. The present invention reduces heat generation at the anode as much as possible and enables uniform illumination without providing a diffuser. Moreover, the present invention does not require an electrode made of a transparent conductive film.


Find Patent Forward Citations

Hiraki, Akio. (2008). Lighting device with anode including carbon fiber mixed paper (U.S. Patent No. 7468579). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7468579

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