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. 25, 2020
Filed:
Aug. 19, 2016
Applicants:
Boe Technology Group Co., Ltd., Beijing, CN;
Boe Optical Science and Technology Co., Ltd., Suzhou, CN;
Inventors:
Assignees:
BOE TECHNOLOGY GROUP CO., LTD., Beijing, CN;
BOE OPTICAL SCIENCE AND TECHNOLOGY CO., LTD, Suzhou, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 8/00 (2006.01); G02B 6/00 (2006.01); G02B 5/04 (2006.01);
U.S. Cl.
CPC ...
G02B 6/0053 (2013.01); G02B 6/00 (2013.01); G02B 6/0058 (2013.01); G02B 6/0061 (2013.01); G02B 5/045 (2013.01);
Abstract
Embodiments of the present application provides a prism film, a light guide plate, a backlight module and a display apparatus. The prism film includes a sheet and an array of prisms arranged on a side of the sheet and vertex angles of the prisms in the array increase or decrease in magnitude sequentially from one end of the array of prisms to the other end of the array opposite to the one end.