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. 12, 2015
Filed:
May. 15, 2012
Hsiao Hsien Chen, Guangdong, CN;
Hsiao Hsien Chen, Guangdong, CN;
Shenzhen China Star Optoelectronics Technology Co Ltd., Guangdong, CN;
Abstract
The present invention provides a color filter and a manufacturing method thereof. The method includes steps of: coating a first material layer on a substrate and patterning it to have first photoresists, first filter portions and first spacer portions; coating a second material layer on the substrate and patterning it to have second photoresists, second filter portions and second spacer portions; and coating a third material layer on the substrate and patterning it to have third photoresists, third filter portions and third spacer portions; and the first, the second, the third filter portions are correspondingly overlapped with each other, and the first, the second, the third spacer portions are correspondingly overlapped with each other.