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:
Jun. 28, 2022
Filed:
Jan. 27, 2021
Applicant:
Primax Electronics Ltd., Taipei, TW;
Inventors:
Assignee:
PRIMAX ELECTRONICS LTD., Taipei, TW;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01H 13/83 (2006.01); F21V 11/14 (2006.01); F21V 8/00 (2006.01); G06F 3/02 (2006.01); F21V 29/50 (2015.01);
U.S. Cl.
CPC ...
F21V 11/14 (2013.01); F21V 29/50 (2015.01); G02B 6/0055 (2013.01); G02B 6/0066 (2013.01); G06F 3/0202 (2013.01); H01H 13/83 (2013.01); H01H 2219/06 (2013.01); H01H 2219/062 (2013.01);
Abstract
A keyboard device and a backlight module of the keyboard device are provided. The keyboard device includes a casing, the backlight module, a keyboard module and an expansion module. The backlight module includes a main body region and an extension region. The main body region and the extension region are connected with each other. A first light beam is outputted from the main body region to plural keys of the keyboard device. A second light beam is outputted from the extension region to the expansion module.