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:
Apr. 28, 2026

Filed:

Sep. 12, 2023
Applicants:

Lite-on Electronics (Guangzhou) Limited, Guangzhou, CN;

Lite-on Technology Corporation, Taipei, TW;

Inventors:

Shih-Wen Chiu, Taipei, TW;

Yi-Wen Chen, Taipei, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01H 13/84 (2006.01); F21V 8/00 (2006.01); H01H 3/12 (2006.01); H01H 13/83 (2006.01); H01H 13/705 (2006.01);
U.S. Cl.
CPC ...
H01H 13/84 (2013.01); G02B 6/0028 (2013.01); G02B 6/0055 (2013.01); H01H 3/125 (2013.01); H01H 13/83 (2013.01); H01H 13/705 (2013.01); H01H 2219/044 (2013.01); H01H 2219/06 (2013.01); H01H 2219/0621 (2013.01); H01H 2239/004 (2013.01);
Abstract

A backlight module including a circuit layer, a light guide plate, a light-emitting component, an electronic component, a reflective layer, and an identifier is provided. The light guide plate includes an escape opening and a light-source opening. The light-emitting component is connected to the circuit layer. The electronic component is connected to the circuit layer. The reflective layer is disposed between the light guide plate and the circuit layer. The identifier is disposed on the reflective layer. A keyboard using this backlight module is also provided.


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