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:
Dec. 27, 2022
Filed:
Feb. 08, 2021
Applicant:
E Ink Holdings Inc., Hsinchu, TW;
Inventors:
Chao-Jen Wang, Hsinchu, TW;
Jen-Pin Yu, Hsinchu, TW;
Assignee:
E Ink Holdings Inc., Hsinchu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 3/041 (2006.01); F21V 8/00 (2006.01);
U.S. Cl.
CPC ...
G06F 3/041 (2013.01); G06F 3/0412 (2013.01); G02B 6/0011 (2013.01);
Abstract
A functional module is applied in a front light module of a display device. The functional module includes a composite cover structure having a first plate and a second plate and a reflective display panel. The second plate is located between the first plate and the reflective display panel. At least one medium layer is located between the first plate of the composite cover structure and the reflective display panel. The refractive index of the medium layer is greater than or equal to 1 and is smaller than 1.474.