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:
Sep. 29, 2026
Filed:
Dec. 20, 2023
E Ink Holdings Inc., Hsinchu, TW;
Chih Cheng Ko, Hsinchu, TW;
Yun-Nan Hsieh, Hsinchu, TW;
E Ink Holdings Inc., Hsinchu, TW;
Abstract
A front light module including a light guide plate, a light source, a protective cover plate, an appearance color layer, and a functional layer is provided. The light guide plate has a first surface, a second surface opposite to the first surface, and a light incident surface connecting the first surface to the second surface. The light source is disposed beside the light incident surface and configured to emit light toward the light incident surface. The protective cover plate is disposed on the first surface, and the protective cover plate has a third surface facing away from the light guide plate and a fourth surface facing the light guide plate. The appearance color layer is disposed on a portion of the third surface. The functional layer covers the appearance color layer and the third surface. An electrophoretic display device is also provided.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile