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:
Jul. 29, 2025
Filed:
Mar. 08, 2024
CM Visual Technology Corporation, Tainan, TW;
Tsang-Chi Wang, Tainan, TW;
Hsin Wen Chang, Tainan, TW;
Hung Yu Lin, Tainan, TW;
Yung Pin Chen, Tainan, TW;
CM Visual Technology Corporation, Tainan, TW;
Abstract
A light guide plate includes a light incident surface, a first surface connected to the light incident surface, and a plurality of optical microstructures disposed on the first surface. Each optical microstructure has a first cross-sectional profile along a first direction and a second cross-sectional profile along a second direction perpendicular to the first direction. The first cross-sectional profile is different from the second cross-sectional profile. The optical microstructures include a plurality of first optical microstructures and a plurality of second optical microstructures. The second cross-sectional profile of each first optical microstructure is different from the second cross-sectional profile of each second optical microstructure. A light source module including the light guide plate projects light into the light incident surface.