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:
Jan. 30, 2024
Filed:
Sep. 05, 2022
E Ink Holdings Inc., Hsinchu, TW;
Sheng-Chieh Tai, Hsinchu, TW;
Ching-Huan Liao, Hsinchu, TW;
E Ink Holdings Inc., Hsinchu, TW;
Abstract
A front light module including a light guide plate, a light source, an optical film, and a first optical clear adhesive is provided. The light guide plate has a top surface, a bottom surface opposite to the top surface, and a light input surface connecting the top surface with the bottom surface. The light source is disposed beside the light input surface. An optical surface of the optical film facing away from the light guide plate has a plurality of optical microstructures. Each of the optical microstructures is a recess, and has a light receiving surface more adjacent to the light input surface and a light back surface further away from the light input surface. The optical clear adhesive is disposed between the light guide plate and the optical film in a fully bonding manner. An electrophoretic display is also provided.