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. 16, 2014
Filed:
Sep. 23, 2011
Guo-chen Lee, Taoyuan, TW;
Jerry Wu, Taoyuan, TW;
Yu-jeng Lin, Taoyuan, TW;
Tsung-yung Hung, Taoyuan, TW;
I-ping Huang, Taoyuan, TW;
Guo-Chen Lee, Taoyuan, TW;
Jerry Wu, Taoyuan, TW;
Yu-Jeng Lin, Taoyuan, TW;
Tsung-Yung Hung, Taoyuan, TW;
I-Ping Huang, Taoyuan, TW;
Global Lighting Technology Inc., Taoyuan, TW;
Abstract
A keyboard comprises a key module and a backlight module in which the key module comprises a light-transmissive key part and an electric circuit substrate, and the backlight module comprises a light guide plate, a reflection unit and at least one light source. The backlight module is disposed between the key part and the electric circuit substrate. Thus, lights emitted by the light source are projected into the light guide plate from the lateral side of the light guide plate, and the lights are reflected by the reflection unit for directly passing through the light output surface of the light guide plate and the key part.