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:
Feb. 25, 2025
Filed:
Dec. 20, 2023
Lenovo (Singapore) Pte. Ltd., Singapore, SG;
Kentaro Nagase, Yokohama, JP;
Satoshi Douzono, Yokohama, JP;
LENOVO (SINGAPORE) PTE. LTD., Singapore, SG;
Abstract
A keyboard unit includes a plurality of keytops; a baseplate supporting the plurality of keytops; and a light-emitting module having a light guide plate, a first flexible sheet covering a first surface of the light guide plate, and a second flexible sheet covering a second surface of the light guide plate opposite to the first surface of the light guide plate, wherein the light-emitting module is disposed on the baseplate such that the first flexible sheet is between the baseplate and the light guide plate, a hole is formed in the light-emitting module through the light guide plate, the first flexible sheet, and the second flexible sheet, and at a periphery of the hole, the second flexible sheet is fixed to the baseplate to form a continuous barrier from the second surface of the light guide plate to the baseplate.