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:
Nov. 23, 2021
Filed:
Oct. 13, 2020
Applicant:
E Ink Holdings Inc., Hsinchu, TW;
Inventors:
Chao-Chun Cheng, Hsinchu, TW;
Sheng-Chieh Tai, Hsinchu, TW;
Assignee:
E Ink Holdings Inc., Hsinchu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/42 (2006.01); G02F 1/13357 (2006.01); F21V 8/00 (2006.01);
U.S. Cl.
CPC ...
G02B 6/0031 (2013.01); G02B 6/0066 (2013.01);
Abstract
A front light module includes a light guide plate, a light source and a light guide medium. The light guide plate includes a top surface, a bottom surface opposite to the top surface and a light incident surface adjoining the top surface and the bottom surface. The light source is disposed beside the light incident surface. A top surface of the light source and the top surface of the light guide plate have a first step therebetween. The light guide medium is between the light source and the light incident surface of the light guide plate.