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:
Sep. 22, 2026

Filed:

Dec. 20, 2023
Applicant:

E Ink Holdings Inc., Hsinchu, TW;

Inventor:

Chao-Chun Cheng, Hsinchu, TW;

Assignee:

E Ink Holdings Inc., Hsinchu, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/00 (2006.01); F21V 8/00 (2006.01);
U.S. Cl.
CPC ...
G02B 6/0091 (2013.01); G02B 6/0068 (2013.01); G02B 6/0083 (2013.01);
Abstract

A light source module which includes a flexible circuit substrate, a light-emitting component and a light guide film is provided. The light-emitting component and the light guide film are disposed on the flexible circuit substrate and both of them are on the same side of the flexible circuit substrate. A light-emitting surface faces the light guide film. The width of the light-emitting surface is between the farthest edge from the flexible circuit substrate and the nearest edge to the flexible circuit substrate. In addition, the width of the light-emitting surface is not larger than four times of the thickness of the light guide film.


Find Patent Forward Citations

Loading…