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. 24, 2015
Filed:
Jul. 20, 2012
Minghui Zhang, Beijing, CN;
Ning Sun, Beijing, CN;
Zhishuai Jia, Beijing, CN;
Jie Liu, Beijing, CN;
Yihong MA, Beijing, CN;
Minghui Zhang, Beijing, CN;
Ning Sun, Beijing, CN;
Zhishuai Jia, Beijing, CN;
Jie Liu, Beijing, CN;
Yihong Ma, Beijing, CN;
BOE Technology Group Co., Ltd., Beijing, CN;
Bejing BOE Display Technology Co., Ltd., Beijing, CN;
Abstract
The present invention discloses a prism sheet and a display device comprising the prism sheet for improving performances of a backlight module in a liquid crystal display device. The prism sheet comprises a first substrate and a second substrate, wherein the first substrate comprises a first surface and a second surface opposite to the first surface, and the second surface comprises a plurality of first protrusions arranged in parallel along a first direction; the second substrate comprises a third surface and a fourth surface opposite to the third surface, the third surface comprises a plurality of second protrusions arranged in parallel along the first direction, and the fourth surface comprises a plurality of third protrusions arranged in parallel along a second direction; and the second surface and the third surface are joined by meshing of the first protrusions with the second protrusions.