Touch panel and three-dimensional cover plate thereof

Patent metadata

Field	Value
Publication number	US-9874956-B2
Application number	US-201514918518-A
Country	US
Kind code	B2
Filing date	Oct 20, 2015
Priority date	Oct 21, 2014
Publication date	Jan 23, 2018
Grant date	Jan 23, 2018

Abstract

A three-dimensional cover plate includes a transparent substrate, a side panel, and a first binding layer. The side panel is bonded to a part of the transparent substrate, and the first binding layer is disposed between the transparent substrate and the side panel to bond the transparent substrate and the side panel.

First claim

What is claimed is:

1. A three-dimensional structure, comprising:
a transparent substrate, having a hydrophilic surface, comprising:
a sapphire substrate;
a glass substrate disposed below the sapphire substrate; and
a second binding layer bonding the sapphire substrate and the glass substrate;

a side panel bonding to only a part of the glass substrate of the transparent substrate;
a first binding layer disposed between the hydrophilic surface of the transparent substrate and the side panel to bond the transparent substrate and the side panel; and
an inorganic material layer disposed between the first binding layer and the side panel, wherein:
the inorganic material layer comprises either a silicon layer or a silicon dioxide layer,
the first binding layer comprises silicon-oxygen-silicon bonds formed from silicon in of the glass substrate, oxygen ions at a lower surface of the glass substrate, and silicon inside the inorganic material layer, and
the second binding layer comprises aluminum-oxygen-silicon bonds formed from aluminum in the sapphire substrate and silicon in the glass substrate.

2. The three-dimensional structure of claim 1 , wherein:
the transparent substrate has a side surface adjacent to the lower surface of the glass substrate,
the side panel has a side surface adjacent to an upper surface of the side panel facing the transparent substrate, and
the side surface of the side panel is co-planar with the side surface of the transparent substrate.

3. A touch panel, comprising:
a three-dimensional structure, comprising:
a transparent substrate, having a hydrophilic surface, comprising:
a sapphire substrate;
a glass substrate disposed below the sapphire substrate; and
a second binding layer bonding the sapphire substrate and the glass substrate;

a side panel bonding to only a part of the glass substrate of the transparent substrate;
a first binding layer disposed between the hydrophilic surface of the transparent substrate and the side panel to bond the transparent substrate and the side panel;
an inorganic material layer disposed between the first binding layer and the side panel, wherein:
the inorganic material layer comprises either a silicon layer or a silicon dioxide layer,
the first binding layer comprises silicon-oxygen-silicon bonds formed from silicon in the glass substrate, oxygen ions at a lower surface of the glass substrate, and silicon inside the inorganic material layer, and
the second binding layer comprises aluminum-oxygen-silicon bonds formed from aluminum in the sapphire substrate and silicon in the glass substrate.

4. The touch panel of claim 3 , wherein the side panel comprises a hydrophilic surface facing the transparent substrate.

5. The three-dimensional structure of claim 1 , wherein the first binding layer is in contact with a sidewall and a bottom surface of the transparent substrate.

6. The three-dimensional structure of claim 1 , further comprising:
a sensing electrode layer disposed at a lower surface of the transparent substrate; and
a wire layer disposed at a side surface of the side panel adjacent to the lower surface of the transparent substrate, wherein the wire layer is electrically connected to the sensing electrode layer.

7. The three-dimensional structure of claim 6 , further comprising a touch functional device disposed at the side surface of the side panel, wherein the wire layer is disposed between the touch functional device and the sensing electrode layer.

8. The touch panel of claim 3 , wherein:
the transparent substrate has a side surface adjacent to the lower surface of the glass substrate,
the side panel has a side surface adjacent to an upper surface of the side panel facing the transparent substrate, and
the side surface of the side panel is co-planar with the side surface of the transparent substrate.

9. The touch panel of claim 3 , further comprising:
a sensing electrode layer disposed at a lower surface of the transparent substrate; and
a wire layer disposed at a side surface of the side panel adjacent to the lower surface of the transparent substrate, wherein the wire layer is electrically connected to the sensing electrode layer.

10. The touch panel of claim 9 , further comprising a touch functional device disposed at the side surface of the side panel, wherein the wire layer is disposed between the touch functional device and the sensing electrode layer.

11. The touch panel of claim 3 , wherein the first binding layer is in contact with a sidewall and a bottom surface of the transparent substrate.

Assignees

• Tpk Touch Solutions Xiamen Inc

Inventors

• Lee Yuh-Wen
• Hsia Hsiang-Lung
• Dai Quanfen
• Ye Dongmei

Classifications

• G06F2203/04103

  Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices · CPC title

• B32B17/06

  comprising glass as the main or only constituent of a layer, next to another layer of a specific {material} · CPC title

• B32B9/005

  comprising one layer of ceramic material, e.g. porcelain, ceramic tile (layered products with at least two ceramic layers composed mainly of ceramic B32B18/00) · CPC title

• B32B2457/208

  Touch screens · CPC title

• B32B9/04

  comprising such {particular} substance as the main or only constituent of a layer, {which is} next to another layer of {the same or of} a {different material (next to a glass layer B32B17/06; layered products with at least two ceramic layers composed mainly of ceramic B32B18/00)} · CPC title