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:
Nov. 20, 2018
Filed:
Sep. 12, 2017
Primax Electronics Ltd., Taipei, TW;
Hui-Ling Lin, Taipei, TW;
PRIMAX ELECTRONICS LTD., Taipei, TW;
Abstract
A luminous keyboard includes plural keys and a backlight module under the plural keys. The backlight module includes a light-shading plate, a light guide plate and a reflecting plate, which are sequentially stacked on each other from top to bottom. The light-shading plate includes a first cutting hole and a first cutting hole periphery around the first cutting hole. The light guide plate includes a perforation. The reflecting plate includes a second cutting hole and a second cutting hole periphery around the second cutting hole. A top surface of the second cutting hole periphery is attached on a bottom surface of the first cutting hole periphery through the perforation. While an object is penetrated through the first cutting hole and the second cutting hole, the object is closely covered by the first cutting hole periphery and the second cutting hole periphery in response to an elastic restoring force.