Touch input device, vehicle including the same, and method of manufacturing the vehicle
A touch input device includes: a main body including a touch input unit disposed on a surface of the main body and a base including a metal composite disposed on another surface of the main body; a first pattern groove engraved in a surface of the base; a second pattern groove engraved in the surface of the base and disposed adjacent to the first pattern groove; a first sensing pattern disposed in the first pattern groove and including a conductive material; and a second sensing pattern disposed in the second pattern groove and including a conductive material; and a wire connecting the first sensing pattern and the second sensing pattern to an integrated circuit.
1. A touch input device comprising: a main body including a touch input unit having at least one curved portion disposed on a surface of the main body and a base including a metal composite disposed on another surface of the main body; a first pattern groove engraved in a surface of the base; a second pattern groove engraved in the surface of the base and disposed adjacent to the first pattern groove; a first sensing pattern disposed in the first pattern groove and including a conductive material; and a second sensing pattern disposed in the second pattern groove and including a conductive material; and a wire connecting the first sensing pattern and the second sensing pattern to an integrated circuit, wherein: the first sensing pattern is formed with a plurality of pattern columns arranged in parallel, each pattern column formed by successively connecting a pattern of a predetermined shape, one end of each pattern column connected to the wire, and the second sensing pattern is formed with a plurality of pattern columns arranged in parallel, the plurality of pattern columns respectively maintained at a predetermined distance to the plurality of pattern columns of the first sensing pattern, wherein the first and second sensing patterns are disposed to cover a gesture input area or a swiping input area of the touch input unit.
2. The touch input device according to claim 1 , wherein the base includes a resin containing at least one of Polycarbonate (PC), Polyamide (PA), and Acrylonitrile-Butadiene-Styrene copolymer (ABS) and includes a metal oxide containing at least one of Mg, Cr, Cu, Ba, Fe, Ti, and Al.
3. The touch input device according to claim 1 , wherein the base is coated on the other surface of the touch input unit formed of a resin, glass, or leather.
4. The touch input device according to claim 1 , wherein:
the second sensing pattern includes:
a successive pattern disposed at a predetermined distance to a pattern column of the first sensing pattern and formed by successively connecting a pattern of a predetermined shape; and
an extension pattern diverging from the successive pattern and connected to the wire, and
the extension pattern includes a plurality of patterns diverging from the successive pattern at regular distances.
5. The touch input device according to claim 1 , wherein a surface of the touch input unit includes a curved surface or a discontinuous surface.
6. The touch input device according to claim 5 , wherein a thickness of the main body is uniform in an area where the first sensing pattern and the second sensing pattern are disposed.
7. A method of manufacturing a touch input device, the method comprising: preparing a main body including a touch input unit having at least one curved portion disposed on a surface of the main body and a base including a metal composite on another surface of the main body; forming a first pattern groove and a second pattern groove by irradiating a laser on a surface of the base, wherein the second pattern groove is formed adjacent to the first pattern groove; forming a first sensing pattern with a plurality of pattern columns arranged in parallel, each pattern column formed by successively connecting a pattern of a predetermined shape, one end of each pattern column connected to the wire; forming a second sensing pattern with a plurality of pattern columns arranged in parallel, the plurality of pattern columns respectively maintained at a predetermined distance to the plurality of pattern columns of the first sensing pattern, by performing plating or deposition on the first pattern groove and the second pattern groove, wherein the first sensing pattern is spaced from the second sensing pattern; supplying current to the first sensing pattern and the second sensing pattern to determine whether the first sensing pattern and the second sensing pattern are able to be used as sensors; and detecting a change in mutual capacitance between the first sensing pattern and the second sensing pattern, wherein the first and second sensing patterns are disposed to cover a gesture input area or a swiping input area of the touch input unit.
8. The method according to claim 7 , wherein the preparing of the main body further comprises coating the base on the other surface of the touch input unit formed of a resin, glass, or leather.
9. The method according to claim 7 , wherein the preparing of the main body comprises integrating the base into the touch input unit, the base formed of a resin including a metal composite.
10. The method according to claim 7 , wherein:
when a laser is irradiated to the surface of the base, metal seeds are exposed from inner side surfaces of the first pattern groove and the second pattern groove, and
when the first sensing pattern and the second sensing pattern are plated or deposited, a conductive material is attached on the metal seeds.
11. A vehicle comprising the touch input device according to claim 1 .
12. The vehicle according to claim 11 , wherein the touch input device is installed at a centralized control system in a gear box of the vehicle.
13. A vehicle including a touch input device comprising: a touch input unit formed of a resin, glass, or leather, the touch input unit having at least one curved portion; a base including a metal composite and coated on a rear surface of the touch input unit; a first pattern groove formed in a surface of the base; a second pattern groove formed in the surface of the base and disposed adjacent to the first pattern groove; a first sensing pattern disposed in the first pattern groove and including a conductive material; a second sensing pattern disposed in the second pattern groove and including a conductive material; and a wire connecting the first sensing pattern and the second sensing pattern to an integrated circuit, wherein: the first sensing pattern is formed with a plurality of pattern columns arranged in parallel, each pattern column formed by successively connecting a pattern of a predetermined shape, one end of each pattern column connected to the wire, the second sensing pattern is formed with a plurality of pattern columns arranged in parallel, the plurality of pattern columns respectively maintained at a predetermined distance to the plurality of pattern columns of the first sensing pattern, and wherein the first and second sensing patterns are disposed to cover a gesture input area or a swiping input area of the touch input unit.