Hybrid touch module

• US 10,572,061 B2
• Filed: 05/28/2018
• Issued: 02/25/2020
• Est. Priority Date: 05/28/2018
• Status: Active Grant

• Current Assignee: Higgstec, Inc.
• Original Assignee: Higgstec, Inc.
• Inventors: Tsai, Hung-Yu, Tsai, Chang-You
• Primary Examiner(s): Khan, Ibrahim A
• Application Number:
  US15/990,717
• Publication Number:
  US 20190361561A1
• Time in Patent Office: 638 Days
• CPC Class Codes: G06F 2203/04106 Multi-sensing digitiser, i.e. digitiser using at least two different sensing technologies simultaneously or alternatively, e.g. for detecting pen and finger, for saving power or for improving position detection
• CPC Class Codes: G06F 3/0416 Control or interface arrangements specially adapted for digitisers
• CPC Class Codes: G06F 3/044 by capacitive means
• CPC Class Codes: G06F 3/045 using resistive elements, e.g. a single continuous surface or two parallel surfaces put in contact

Abstract

A hybrid touch module includes a bottom layer structure, a common layer structure, and a top layer structure. The bottom layer structure includes a conductive layer, and a bezel disposed on the conductive layer. The common layer structure is disposed on the bezel. The common layer structure includes a common film, a resistive conductive layer, and a capacitive conductive layer. The resistive conductive layer and the capacitive conductive layer are disposed on a first surface of the common film. The top layer structure is attached to the common layer structure, and the top layer structure includes an insulation film and an electrode layer disposed on the insulation film. The common layer structure can be cooperated with the bottom layer structure to provide a resistive touch function, and the common layer structure can be cooperated with the top layer structure to provide a capacitive touch function.

Claims

1. A hybrid touch module, comprising:

a bottom layer structure including;

a substrate;

a conductive layer disposed on a top face of the substrate; and

a bezel disposed on the conductive layer;

a common layer structure disposed on the bezel and spaced apart from the conductive layer, and the common layer structure including;

a common film having a first surface and a second surface opposite to the first surface, and the first surface facing the top face of the substrate;

a resistive conductive layer disposed on the first surface of the common film; and

a capacitive conductive layer disposed on one of the first surface and the second surface of the common film; and

a top layer structure attached to the common layer structure, and the top layer structure including;

an insulation film having a bottom face facing the second surface of the common film; and

an electrode layer disposed on the insulation film;

wherein the common layer structure is capable of being cooperated with the bottom layer structure so as to provide a resistive touch function, and the common layer structure is capable of being cooperated with the top layer structure so as to provide a capacitive touch function;

wherein the resistive conductive layer and the capacitive conductive layer are commonly disposed on the first surface of the common film and are spaced apart from each other, and the electrode layer is disposed on the bottom face of the insulation film;

wherein the resistive conductive layer surrounds a plurality of accommodating grooves, and the capacitive conductive layer is disposed in the accommodating grooves.

2. The hybrid touch module according to claim 1, further comprising a protection structure, and the protection structure including:

a transparent plate disposed and attached on the top layer structure, and the transparent plate being located at a side of the top layer structure away from the common layer structure; and

a mask film located between the transparent plate and the top layer structure, and being configured to define a non-visible area of the hybrid touch module;

wherein a projection area formed by the bezel being orthogonally projected toward the protection structure falls on the mask film.

3. The hybrid touch module according to claim 1, further comprising a common controller;

wherein the common controller is electrically connected to the conductive layer of the bottom layer structure, the resistive conductive layer and the capacitive conductive layer of the common layer structure, and the electrode layer of the top layer structure, such that the common controller is capable of controlling and performing at least one of the resistive touch function and the capacitive touch function.

4. The hybrid touch module according to claim 1, wherein the bottom layer structure includes a plurality of spacers separately disposed on the conductive layer, and the spacers face the common layer structure and are spaced apart from the common layer structure.