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:
Mar. 19, 2019
Filed:
Jun. 18, 2018
Boe Technology Group Co., Ltd., Beijing, CN;
Hefei Boe Optoelectronics Technology Co., Ltd., Hefei, Anhui, CN;
Hanqi Chu, Beijing, CN;
Liangliang Zheng, Beijing, CN;
BOE TECHNOLOGY GROUP CO., LTD., Beijing, CN;
HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., Hefei, Anhui, CN;
Abstract
A composite prism, a manufacturing method thereof, a backlight unit and a display device are provided. The composite prism includes: a first prism sheet and a second prism sheet superimposed on each other, a part of a first surface of the second prism sheet near the first prism sheet contacting the first prism sheet; a gap being formed between the other part of the first surface and the first prism sheet; and a reflecting layer disposed on the surface of the second prism sheet contacting the first prism sheet and configured to allow light irradiated from the second prism sheet to the first prism sheet to travel through the gap.