Touch input device and method for manufacturing the same
First Claim
1. A touch input apparatus comprising:
- a first base including a first metal compound;
a first pattern groove formed over one surface of the first base;
a first sense pattern formed over the first pattern groove and including a conductive material;
a second base stacked over the first base, and configured to include a second metal compound;
a second pattern groove formed over one surface of the second base;
a second sense pattern formed over the second pattern groove, including a conductive material, and spaced apart from the first sense pattern; and
a line unit connecting the first sense pattern and the second sense pattern to an integrated-circuit, whereina lower part of the first sense pattern is accommodated in the first pattern groove formed over a front surface of the base, and an upper part of the first sense pattern protrudes from the surface of the first base,a lower part of the second sense pattern is accommodated in the second pattern groove formed over the surface of the base, and an upper part of the second sense pattern protrudes from the surface of the second base,the first base is formed to have a thickness of X mm,the first sense pattern protrudes from one surface of the first base by a thickness of a μ
m,the second sense pattern is recessed from one surface of the second base by a thickness of b μ
m, andthe thickness (Y μ
m) of the second base satisfies the following Equation 1;
(a+b)μ
m<
Y μ
m<
−
1210 μ
m*2(X mm−
1.0 mm)/1 mm+1350 μ
m.
[Equation 1]
1 Assignment
0 Petitions
Accused Products
Abstract
A touch input device and a method for manufacturing the same are disclosed. The touch input device includes: a first base including a metal compound; a first pattern groove formed over one surface of the first base; a first sense pattern formed over the first pattern groove and including a conductive material; a second base stacked over the first base, and configured to include a metal compound; a second pattern groove formed over one surface of the second base; a second sense pattern formed over the second pattern groove, including a conductive material, and spaced apart from the first sense pattern; and a line unit connecting the first sense pattern and the second sense pattern to an integrated-circuit.
21 Citations
19 Claims
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1. A touch input apparatus comprising:
-
a first base including a first metal compound; a first pattern groove formed over one surface of the first base; a first sense pattern formed over the first pattern groove and including a conductive material; a second base stacked over the first base, and configured to include a second metal compound; a second pattern groove formed over one surface of the second base; a second sense pattern formed over the second pattern groove, including a conductive material, and spaced apart from the first sense pattern; and a line unit connecting the first sense pattern and the second sense pattern to an integrated-circuit, wherein a lower part of the first sense pattern is accommodated in the first pattern groove formed over a front surface of the base, and an upper part of the first sense pattern protrudes from the surface of the first base, a lower part of the second sense pattern is accommodated in the second pattern groove formed over the surface of the base, and an upper part of the second sense pattern protrudes from the surface of the second base, the first base is formed to have a thickness of X mm, the first sense pattern protrudes from one surface of the first base by a thickness of a μ
m,the second sense pattern is recessed from one surface of the second base by a thickness of b μ
m, andthe thickness (Y μ
m) of the second base satisfies the following Equation 1;
(a+b)μ
m<
Y μ
m<
−
1210 μ
m*2(X mm−
1.0 mm)/1 mm+1350 μ
m.
[Equation 1] - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
-
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14. A touch input apparatus comprising:
-
a first base, a top surface of which is used as a touch surface to which a touch signal is input, and configured to include a first metal compound; a first pattern groove formed over a bottom surface of the first base; a first sense pattern formed in the first pattern groove, and configured to include a conductive material; a second base stacked over the bottom surface of the first base, and configured to include a second metal compound; a second pattern groove formed over the bottom surface of the second base; and a second sense pattern formed in the second pattern groove, including a conductive material, and spaced apart from the first sense pattern, wherein a lower part of the first sense pattern is accommodated in the first pattern groove formed over a front surface of the base, and an upper part of the first sense pattern protrudes from the surface of the first base, a lower part of the second sense pattern is accommodated in the second pattern groove formed over the surface of the base, and an upper part of the second sense pattern protrudes from the surface of the second base, the first base is formed to have a thickness of X mm, the first sense pattern protrudes from one surface of the first base by a thickness of a μ
m,the second sense pattern is recessed from one surface of the second base by a thickness of b μ
m, andthe thickness (Y μ
m) of the second base satisfies the following Equation 1;
(a+b)μ
m<
Y μ
m<
−
1210 μ
m*2(X mm−
1.0 mm)/1 mm+1350 μ
m.
[Equation 1]
-
-
15. A touch input apparatus comprising:
-
a basic material, a top surface of which is used as a touch surface to which a user'"'"'s touch signal is input; a first base stacked over a bottom surface of the basic material, and configured to include a first metal compound; a first pattern groove formed over a bottom surface of the first base; a first sense pattern formed in the first pattern groove, and configured to include a conductive material; a second base stacked over the bottom surface of the first base, and configured to include a second metal compound; a second pattern groove formed over a bottom surface of the second base; and a second sense pattern formed in the second pattern groove, including a conductive material, and spaced apart from the first sense pattern, wherein a lower part of the first sense pattern is accommodated in the first pattern groove formed over a front surface of the base, and an upper part of the first sense pattern protrudes from the surface of the first base, a lower part of the second sense pattern is accommodated in the second pattern groove formed over the surface of the base, and an upper part of the second sense pattern protrudes from the surface of the second base, the first base is formed to have a thickness of X mm, the first sense pattern protrudes from one surface of the first base by a thickness of a μ
m,the second sense pattern is recessed from one surface of the second base by a thickness of b μ
m, andthe thickness (Y μ
m) of the second base satisfies the following Equation 1;
(a+b)μ
m<
Y μ
m<
−
1210 μ
m*2(X mm−
1.0 mm)/1 mm+1350 μ
m.
[Equation 1]
-
-
16. A method for manufacturing a touch input apparatus, comprising:
-
providing a first base including a first metal compound; forming a first pattern groove by irradiating laser light to one surface of the first base; forming a first sense pattern in the first pattern groove through a plating or deposition process; stacking a second base including a second metal compound; forming a second pattern groove by irradiating laser light to one surface of the second base; forming a second sense pattern spaced apart from the first sense pattern over the second pattern groove through a plating or deposition process; and providing a current to the first and second sense patterns, determining a change of capacitance between the two sense patterns, and determining whether the two sense patterns are used as a sensor on the basis of the determined change of capacitance, wherein a lower part of the first sense pattern is accommodated in the first pattern groove formed over a front surface of the base, and an upper part of the first sense pattern protrudes from the surface of the first base, a lower part of the second sense pattern is accommodated in the second pattern groove formed over the surface of the base, and an upper part of the second sense pattern protrudes from the surface of the second base, the first base is formed to have a thickness of X mm, the first sense pattern protrudes from one surface of the first base by a thickness of a μ
m,the second sense pattern is recessed from one surface of the second base by a thickness of b μ
m, andthe thickness (Y μ
m) of the second base satisfies the following Equation 1;
(a+b)μ
m<
Y μ
m<
−
1210 μ
m*2(X mm−
1.0 mm)/1 mm+1350 μ
m.
[Equation 1] - View Dependent Claims (17, 18, 19)
-
Specification