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. 27, 2021
Filed:
Nov. 28, 2018
Lite-on Technology (Chang Zhou) Co., Ltd., Jiangsu Province, CN;
Lite-on Technology Corporation, Taipei, TW;
Yi Ren Lin, Jiangsu Province, CN;
Tsung Yan Wu, Jiangsu Province, CN;
LITE-ON TECHNOLOGY (CHANG ZHOU) CO., LTD., Jiangsu, CN;
LITE-ON TECHNOLOGY CORPORATION, Taipei, TW;
Abstract
A touch pad comprises a capacitive sensor for sensing a manipulation gesture; a light guiding plate arranged on the capacitive sensor; an identification layer having a pattern disposed on the light guiding plate; a filter layer disposed on the identification layer, the filter layer having a first filter region and a second filter region, wherein the first filter region and the second filter region do not overlap; and a light emitting module having a light emitting surface, wherein the light emitting module is disposed at the periphery of the light guiding plate; wherein the light emitting surface provides light to the light guiding plate; the light passes through the first filter region to be a first shade, and the light passes through the second filter region to be a second shade; the color of the first shade is different from the color of the second shade.