Touch control device and vehicle having the same

Patent metadata

Field	Value
Publication number	US-11320940-B2
Application number	US-201816213911-A
Country	US
Kind code	B2
Filing date	Dec 7, 2018
Priority date	Dec 28, 2017
Publication date	May 3, 2022
Grant date	May 3, 2022

Abstract

Disclosed is a touch control device. The touch control device includes a touch panel having a curved surface shape of multiple curvatures. The touch control device includes a base including a metal complex, an electrode groove formed in a touch area of the base, a plurality of sensor electrodes formed on the electrode groove, each including a conductive material, a via hole penetrating the base, a connection electrode connecting the plurality of sensor electrodes through the via hole and an integrated circuit coupled to the base and connected to the sensor electrodes to sense a change in capacitance of the sensor electrodes.

First claim

What is claimed is:

1. A touch control device comprising:
a base including a metal complex;
via holes penetrating the base;
an electrode groove formed on an upper surface of the base, wherein the upper surface of the base includes a curved surface shape of different curvatures;
a plurality of sensor electrodes formed on the electrode groove and having a conductive material, the plurality of sensor electrodes including first sensor electrodes disposed on the upper surface of the base and directly connected to each other, and including second sensor electrodes disposed on the upper surface of the base and spaced apart from each other;
connection electrodes formed on a lower surface of the base;
an integrated circuit coupled to the base, disposed below the base, and connected to the plurality of sensor electrodes to sense a change in capacitance of the plurality of sensor electrodes;
an overlay configured to cover the upper surface of the base; and
a plurality of terminal engaging portions disposed on an inner side surface of a peripheral portion of the base,
wherein bubbles, generated between the overlay and the base, pass through the via holes,
wherein the connection electrodes and the second sensor electrodes are connected through the via holes,
wherein the connection electrodes include:
a first terminal electrode configured to connect the first sensor electrodes and the integrated circuit; and
a second terminal electrode configured to connect the second sensor electrodes and the integrated circuit, and
wherein the integrated circuit includes a printed circuit board and a plurality of terminal portions disposed on an edge of the printed circuit board to be coupled to the plurality of terminal engaging portions.

2. The touch control device according to claim 1 , wherein the first sensor electrodes are connected along a first direction and the second sensor electrodes are separated along the first direction and a second direction crossing the first direction.

3. The touch control device according to claim 2 , wherein the first sensor electrodes are disposed to cross the second sensor electrodes along the second direction.

4. The touch control device according to claim 1 , wherein the electrode groove is a first electrode groove, and wherein the connection electrodes are formed in a second electrode groove formed on the lower surface of the base by a plating process or a deposition process.

5. The touch control device according to claim 1 , wherein the overlay includes a non-metallic material.

6. A vehicle comprising:
the touch control device according to claim 1 ,
a display device and
a processor configured to operate the display device according to an input signal input to the touch control device.

7. The vehicle according to claim 6 , wherein the touch control device is installed on at least one of a gear box, a steering wheel, and a center fascia.

8. A method for manufacturing a touch control device, the method comprising:
forming first electrode grooves and second electrode grooves by irradiating a laser on an upper surface of a base including a metal complex and via holes and including a curved surface shape of different curvatures;
forming first sensor electrodes including a conductive material on the first electrode grooves directly connected to each other and through a plating process or a deposition process;
forming second sensor electrodes including a conductive material on the second electrode grooves spaced apart from each other and through a plating process or a deposition process;
forming connection electrodes on a lower surface of the base;
attaching an integrated circuit to the lower surface of the base; and
attaching an overlay to the upper surface of the base,
wherein the base includes a plurality of terminal engaging portions disposed on an inner side surface of a peripheral portion of the base,
wherein bubbles, generated between the overlay and the base, pass through the via holes,
wherein the connection electrodes and the second sensor electrodes are connected through the via holes,
wherein the connection electrodes include:
a first terminal electrode configured to connect the first sensor electrodes and the integrated circuit; and
a second terminal electrode configured to connect the second sensor electrodes and the integrated circuit, and
wherein the integrated circuit includes a printed circuit board and a plurality of terminal portions disposed on an edge of the printed circuit board to be coupled to the plurality of terminal engaging portions.

Assignees

• Hyundai Motor Co Ltd
• Kia Motors Corp
• Seoyon Electronics Co Ltd

Inventors

• Joo Sihyun
• Kang Nae Seung
• Min Jungsang
• Oh Jongmin
• Park Sam Min
• Choi Jun Sam

Classifications

• G06F2203/04111

  Cross over in capacitive digitiser, i.e. details of structures for connecting electrodes of the sensing pattern where the connections cross each other, e.g. bridge structures comprising an insulating layer, or vias through substrate · CPC title

• G06F3/038

  Control and interface arrangements therefor, e.g. drivers or device-embedded control circuitry · CPC title

• G06F2203/04103

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

• G06F2203/04101

  2.5D-digitiser, i.e. digitiser detecting the X/Y position of the input means, finger or stylus, also when it does not touch, but is proximate to the digitiser's interaction surface and also measures the distance of the input means within a short range in the Z direction, possibly with a separate measurement setup · CPC title

• G06F3/04164

  Connections between sensors and controllers, e.g. routing lines between electrodes and connection pads · CPC title