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:
Oct. 04, 2022
Filed:
Jul. 07, 2021
Applicant:
E Ink Holdings Inc., Hsinchu, TW;
Inventors:
Hsin-Tao Huang, Hsinchu, TW;
Yu-Chuan Wen, Hsinchu, TW;
Assignee:
E Ink Holdings Inc., Hsinchu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 8/00 (2006.01);
U.S. Cl.
CPC ...
G02B 6/0055 (2013.01); G02B 6/0036 (2013.01); G02B 6/0088 (2013.01); G02B 6/0093 (2013.01);
Abstract
A light guide module suitable for being disposed on a reflective display panel includes a light guide plate and a light-shielding part. The light guide plate has a first surface, a second surface opposite to the first surface, and an optical structure formed in the first surface. The first surface has a display area and an edge area surrounding the display area, and the optical structure is distributed in the display area. The light-shielding part is disposed on the first surface and covers the edge area, in which the light-shielding part has an opening exposing the display area.