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:
Jul. 22, 2014
Filed:
Jun. 27, 2011
Hsung-hsing Wang, Kaohsiung, TW;
Po-wen Lin, Kaohsiung, TW;
Yi-chia Wang, Kaohsiung, TW;
Jui-kai HU, Kaohsiung, TW;
Hsung-Hsing Wang, Kaohsiung, TW;
Po-Wen Lin, Kaohsiung, TW;
Yi-Chia Wang, Kaohsiung, TW;
Jui-Kai Hu, Kaohsiung, TW;
Eternal Chemical Co., Ltd., Kaohsiung, TW;
Abstract
A composite optical film is provided. The composite optical film sequentially includes a substrate, a light diffusion layer, and a light-gathering layer. The light diffusion layer includes a binder and plural micro beads dispersed therein. The thickness of the light diffusion layer is 2-6 times of the average diameter of the micro beads, and the distance between adjacent micro beads is smaller than the average diameter of the micro beads. The light-gathering layer has plural light-gathering micro structures.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile