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:
Apr. 25, 2017
Filed:
Jul. 01, 2015
Chicony Power Technology Co., Ltd., New Taipei, TW;
Pai-Hsiang Wang, New Taipei, TW;
Chicony Power Technology Co., Ltd., New Taipei, TW;
Abstract
A keyboard backlight module includes a backlight device including a reflective layer, a light shielding layer and a light guide layer sandwiched between the reflective layer and the light shielding layer and carrying a set of key switches on the top surface thereof, a light source mounted between the reflective layer and the light shielding layer, and high-refractive index scatter points prepared from a mixture containing a colored light-transmissive ink and high-refractive index particles at a predetermined ratio and mounted in the top side and/or bottom side of the light guide layer for refracting light toward the key switches to enhance illumination brightness.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile