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. 22, 2022
Filed:
Dec. 08, 2020
Coretronic Corporation, Hsin-Chu, TW;
Yi-Cheng Lin, Hsin-Chu, TW;
Cheng-Tsung Li, Hsin-Chu, TW;
Tsung-Wen Chiu, Hsin-Chu, TW;
Tzeng-Ke Shiau, Hsin-Chu, TW;
CORETRONIC CORPORATION, Hsin-Chu, TW;
Abstract
A backlight module includes a light guide plate, a light source and a surface deposition layer. The light guide plate has a light incident surface, an opposite surface opposite the light incident surface, and a light exit surface connected between the light incident surface and the opposite surface. The light source is disposed adjacent to the light incident surface, and a surface deposition layer is at least provided on a part of the opposite surface and a part of the light exit surface. The surface deposition layer includes an opaque material or a low light-transmittance material and has a thickness of smaller than 0.1 mm.