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.

Date of Patent:
Nov. 25, 2025

Filed:

Sep. 24, 2023
Applicant:

E Ink Holdings Inc., Hsinchu, TW;

Inventors:

Kun-Hsien Lee, Hsinchu, TW;

Ching-Huan Liao, Hsinchu, TW;

Hsin-Tao Huang, Hsinchu, TW;

Assignee:

E Ink Holdings Inc., Hsinchu, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 45/28 (2020.01); F21V 8/00 (2006.01); G02B 27/09 (2006.01); G02B 27/30 (2006.01); H05B 47/155 (2020.01);
U.S. Cl.
CPC ...
H05B 45/28 (2020.01); G02B 6/0028 (2013.01); G02B 27/0922 (2013.01); G02B 27/0977 (2013.01); G02B 27/30 (2013.01); H05B 47/155 (2020.01);
Abstract

A display module includes a front light module and a reflective display panel. The front light module comprises a light source and a light guide plate. The light source comprises a plurality of major light sources comprising a first color temperature and a plurality of auxiliary light sources comprising a second color temperature. The first color temperature is different from the second color temperature. The light guide plate comprises a front surface comprising a light mixing area and an active area. The light mixing area comprises a light entrance surface. The light source is disposed adjacent to the light entrance surface. The reflective display panel is disposed on a back surface of the light guide plate. The light mixing area of the light guide plate is foldable. When the light mixing area is folded, the light mixing area is on the back surface of the light guide plate.


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