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:
Sep. 17, 2024
Filed:
Jun. 19, 2023
Chicony Power Technology Co., Ltd., New Taipei, TW;
Chen-Hao Chiu, New Taipei, TW;
Chicony Power Technology Co., Ltd., New Taipei, TW;
Abstract
A touchpad and a backlight module are provided. The backlight module includes a circuit board, a first light emitting element and a second light emitting element respectively located on two surfaces of the circuit board, a bottom layer, and a second light guide plate having a second microstructure, a middle layer having a light transmitting region and a first light guide plate having a first microstructure sequentially disposed on the bottom layer. A position of the second microstructure corresponds to the light transmitting region. An area of the light transmitting region of the middle layer is smaller than or equal to an area of the first microstructure. The first light emitting element corresponds to a side surface of the first light guide plate. The second light emitting element corresponds to a side surface of the second light guide plate.