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:
Feb. 10, 2015
Filed:
Dec. 06, 2011
Hsin-yuan Chen, Ping-Zhen, TW;
Yu-yun Hsieh, Ping-Zhen, TW;
Cheng-lun Liao, Ping-Zhen, TW;
Entire Technology Co., Ltd., , TW;
Abstract
An optical microstructure film includes a base and multiple microstructure units. The base has at least a surface. The microstructure units are disposed in an array manner on the surface of the base. Each microstructure unit is formed to be a polygonal cone having the bottom face is attached to the surface of the base. The concave region is a surface part of a pseudo-spherical structure having a lower point on the microstructure unit. The distance from the lower point to the bottom face is defined as a second height, the sum of a radius of the spherical structure and the second height is defined as a first height, and the ratio of the second height to the first height is ranged from 0.1 to 0.8.