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:
Oct. 19, 2021
Filed:
Dec. 17, 2020
Coretronic Corporation, Hsin-Chu, TW;
Chun-Chien Liao, Hsin-Chu, TW;
Ping-Yen Chen, Hsin-Chu, TW;
Yung-Lung Liu, Hsin-Chu, TW;
Chun-Wei Lee, Hsin-Chu, TW;
Coretronic Corporation, Hsin-Chu, TW;
Abstract
A backlight module includes a light guide member, a first light source, a second light source, a plurality of first optical microstructures, and a plurality of second optical microstructures. The light guide member has a first light incident surface and an adjacent second light incident surface. The first light source is disposed at one side of the first light incident surface and is configured to generate a first light beam. The second light source is disposed at one side of the second light incident surface and is configured to generate a second light beam. The first and the second optical microstructures are disposed at the light guide member and are configured to reflect the first and the second light beams. The reflected first light beam has a first light emitting angle range without a normal viewing angle range. A display apparatus using the backlight module is also provided.