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:
Jun. 12, 2012
Filed:
Sep. 17, 2010
Tzeng-ke Shiau, Jiangsu, CN;
Ching-shiang LI, Jiangsu, CN;
Chao-hung Weng, Jiangsu, CN;
Wei-chung Chao, Jiangsu, CN;
Tzeng-Ke Shiau, Jiangsu, CN;
Ching-Shiang Li, Jiangsu, CN;
Chao-Hung Weng, Jiangsu, CN;
Wei-Chung Chao, Jiangsu, CN;
Coretronic Corporation, Hsin-Chu, TW;
Abstract
A brightness enhancement sheet including a light transmissive substrate, a plurality of strip prisms, and a plurality of protruding structures is provided. The light transmissive substrate has a first surface and a second surface opposite to the first surface. The strip prisms are disposed on the first surface. Each of the strip prisms has two prism surfaces, and a junction of the two prism surfaces forms a crest line, and a valley line is formed between each of the two adjacent strip prisms. Each of the protruding structures has two wing portions. The two wing portions are respectively disposed on two prism surfaces of the corresponding strip prism. A junction of the two wing portions forms a protruding end. The protruding end protrudes from the crest line of the corresponding strip prism. Each of the wing portions extends from the protruding end to the valley line.