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:
Jun. 09, 2026
Filed:
Nov. 29, 2023
Darwin Precisions Corporation, Hsinchu County, TW;
Ya-Ching Lee, Hsinchu County, TW;
Hsiang-I Hu, Hsinchu County, TW;
DARWIN PRECISIONS CORPORATION, Hsinchu County, TW;
Abstract
A backlight module includes a light-emitting element and a light guide plate. The light guide plate includes a first surface disposed opposite to the light-emitting element, a second surface and the third surface connected to opposite sides of the first surface. The second surface is provided with a plurality of light-scattering microstructures, and each of the light-scattering microstructures is provided with a body portion and an edge portion. The edge portion surrounds the body portion, and the body portion and the edge portion protrude from or are recessed into the second surface. The edge portion has a first height for protruding from the second surface, or a first depth for being recessed into the second surface, and the first height and the first depth range from 0.2 μm to 1.4 μm.