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:
May. 26, 2009
Filed:
Nov. 11, 2005
Chun-yeh Huang, Taoyuan County, TW;
Yao-tung Wang, Taoyuan, TW;
Chun-Yeh Huang, Taoyuan County, TW;
Yao-Tung Wang, Taoyuan, TW;
Chunghwa Picture Tubes, Ltd., Taoyuan, TW;
Abstract
A method for improving color purity of a light source module is provided. The light source module includes a light source suitable for emitting color lights with different wavelengths and a transparent cover encapsulating the light source. In the method, a light filtering material is coated on or doped into the transparent cover to absorb part of the color lights with specific wavelengths. Besides, a light source module which adopts the method is provided.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile