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.

Date of Patent:
Apr. 08, 2025

Filed:

Jun. 09, 2023
Applicant:

Chicony Power Technology Co., Ltd., New Taipei, TW;

Inventor:

Chen-Hao Chiu, New Taipei, TW;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/00 (2006.01); F21V 8/00 (2006.01); G06F 1/16 (2006.01); G06F 3/0354 (2013.01); G06F 3/041 (2006.01); G06F 3/033 (2013.01); G06F 3/04895 (2022.01);
U.S. Cl.
CPC ...
G06F 1/1684 (2013.01); G02B 6/0036 (2013.01); G02B 6/0055 (2013.01); G02B 6/006 (2013.01); G06F 3/03547 (2013.01); G06F 3/033 (2013.01); G06F 3/04895 (2013.01); G06F 2203/04107 (2013.01);
Abstract

An illuminated touch module includes a base sheet, a light-shielding sheet, a light guide plate, a light-emitting element, and a cover plate. The base sheet is disposed on a circuit board and has a light reflection area. The light-shielding sheet is disposed above the base sheet and has a side surface and a notch recessed from the side surface. An opening of the notch is aligned with an edge of the base sheet. The light guide plate is embedded in the notch and located above the light reflection area. The light guide plate has a light guide pattern formed by microstructures and has a light incident surface. The light-emitting element is disposed on the circuit board and has a light outputting surface facing the light incident surface and the light guide pattern. The cover plate covers above the light guide plate and the light-shielding sheet.


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