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:
May. 23, 2023
Filed:
Nov. 24, 2021
Darwin Precisions Corporation, Hsinchu County, TW;
Yu-Jen Lai, Hsinchu County, TW;
Yi-Feng Chen, Hsinchu County, TW;
DARWIN PRECISIONS CORPORATION, Hsinchu County, TW;
Abstract
A touch indicating cover includes a light-guide plastic piece, a printed circuit layer, an ink layer, a passivation layer, and a light-emitting component. The light-guide plastic piece has a first surface and a second surface opposite to each other, wherein the second surface of the light-guide plastic piece comprises a plurality of microstructures. The printed circuit layer is disposed on the first surface of the light-guide plastic piece. The ink layer is disposed on the printed circuit layer and the first surface of the light-guide plastic piece, wherein the ink layer comprises a light-emitting pattern region corresponding to the microstructures. The passivation film is disposed on the ink layer. The light-emitting component is embedded in the first surface of the light-guide plastic piece and connected to the printed circuit layer, wherein the light-emitting component is disposed adjacent the light-emitting pattern region.