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 6618214 B1

PDF
Full Text
Expired
Date of Patent:
Sep. 09, 2003

Filed:

Mar. 07, 2002
Applicant:
Inventors:

Shu-Wen Sung, Hsin-Chu, TW;

Hsien-Chang Tsai, Hsin-Chu, TW;

Assignee:

Coretronic Corporation, Hsin-Chu, TW;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 5/22 ; G02B 7/00 ;
U.S. Cl.
CPC ...
G02B 5/22 ; G02B 7/00 ;
Abstract

A color wheel comprisinga carrier having a central axis, a first principal surface, and a periphery, the carrier being rotatable around the central axis; and a filter assembly having a first principal surface and having the central axis as its central axis, wherein the first principal surface of the carrier is adjacent to the first principal surface of the filter assembly, the first principal surface of the carrier includes a carrier bonding zone, the first principal surface of the filter assembly includes a filter bonding zone, the carrier bonding zone and the filter bonding zone are bound together by an adhesive, a loop-shaped groove is formed around the carrier bonding zone or the filter bonding zone and is innerly apart from the periphery so that an excessive portion, if any, of the adhesive can flow into the loop-shaped groove.


Find Patent Forward Citations

Sung, Shu-Wen. (2003). Color wheel having adhesive-escape-prevention means (U.S. Patent No. 6618214). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6618214

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

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