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:
Jul. 20, 2021
Filed:
Sep. 25, 2020
Chicony Power Technology Co., Ltd., New Taipei, TW;
Hsuan-Wei Ho, New Taipei, TW;
Chun-Ming Huang, New Taipei, TW;
CHICONY POWER TECHNOLOGY CO., LTD., New Taipei, TW;
Abstract
An illuminated touch device includes a circuit board, a backlight module, and a cover plate. The backlight module includes a light guide plate, a light source assembly, and a light-shielding bar. The light guide plate includes a first plate body and a second plate body fitted with each other. The first plate body has a plurality of first microstructures, and the second plate body has a plurality of second microstructures. The light-shielding bar is at an outer periphery of the light guide plate and extends at an intersection between the first plate body and the second plate body, for blocking penetration of light between the first plate body and the second plate body. The cover plate includes first transparent regions and second transparent regions respectively corresponding to the first microstructures and the second microstructures.