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 6830354 B1

PDF
Full Text
Expired
Date of Patent:
Dec. 14, 2004

Filed:

Sep. 20, 2002
Applicant:
Inventor:

Shin-Ichirou Ono, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F21V 7/04 ;
U.S. Cl.
CPC ...
F21V 7/04 ;
Abstract

A relatively small-diameter aperture fluorescent lamp is manufactured easily with high yield and at low cost. An aperture portion is formed in a manner that a thread-like member is inserted into a glass tube having an ultraviolet ray reflection layer and a phosphor layer formed on its inner surface, the glass tube is bent in a predetermined shape by using a bending jig, the thread-like member is pressed to the phosphor layer formed in a predetermined region in the bending member side of the glass tube while both ends thereof are pulled tight, the thread-like member is reciprocated, and phosphor of the phosphor layer in this region is exfoliated.


Find Patent Forward Citations

Ono, Shin-Ichirou. (2004). Aperture fluorescent lamp, surface illuminator, manufacturing methods thereof, liquid crystal display device, and electronic device (U.S. Patent No. 6830354). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6830354

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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