TOUCH SENSING APPARATUS AND METHOD FOR DETECTING APPROACH
First Claim
1. A touch sensing apparatus comprising:
- an approach sensing electrode unit comprising a plurality of first approach sensing electrode arrays disposed on a substrate and a plurality of second approach sensing arrays disposed adjacent to the plurality of first approach sensing electrode arrays;
a voltage supply unit to supply a voltage to at least one of the plurality of first approach sensing electrode arrays and the plurality of second approach sensing electrode arrays;
a signal generation unit to generate an approach sensing signal by detecting a variation of capacitance generated between the plurality of first approach sensing electrode arrays and the plurality of second approach sensing electrode arrays, the variation of capacitance occurring in a 3-dimensional (3D) approach sensing region; and
an information generation unit to generate contact information corresponding to the approach sensing signal generated by the signal generation unit.
1 Assignment
0 Petitions
Accused Products
Abstract
A touch sensing apparatus includes an approach sensing electrode unit including a plurality of first approach sensing electrode arrays disposed on a substrate and a plurality of second approach sensing arrays disposed adjacent to the first approach sensing electrode arrays, a voltage supply unit to supply a voltage to any of the first approach sensing electrode arrays and the second approach sensing electrode arrays, a signal generation unit to generate an approach sensing signal by detecting a variation of capacitance generated between the first approach sensing electrode arrays and the second approach sensing electrode arrays, the variation of capacitance occurring in a 3-dimensional (3D) approach sensing region, and an information generation unit to generate contact information corresponding to the approach sensing signal generated by the signal generation unit.
-
Citations
20 Claims
-
1. A touch sensing apparatus comprising:
-
an approach sensing electrode unit comprising a plurality of first approach sensing electrode arrays disposed on a substrate and a plurality of second approach sensing arrays disposed adjacent to the plurality of first approach sensing electrode arrays; a voltage supply unit to supply a voltage to at least one of the plurality of first approach sensing electrode arrays and the plurality of second approach sensing electrode arrays; a signal generation unit to generate an approach sensing signal by detecting a variation of capacitance generated between the plurality of first approach sensing electrode arrays and the plurality of second approach sensing electrode arrays, the variation of capacitance occurring in a 3-dimensional (3D) approach sensing region; and an information generation unit to generate contact information corresponding to the approach sensing signal generated by the signal generation unit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
-
-
12. A method of sensing an approach by a touch sensing apparatus, comprising:
-
supplying a voltage to at least one of a plurality of first approach sensing electrode arrays disposed on a substrate and a plurality of second approach sensing arrays disposed adjacent to the plurality of first approach sensing electrode arrays; detecting a variation of capacitance generated between the plurality of first approach sensing electrode arrays and the plurality of second approach sensing electrode arrays, the variation of capacitance occurring in a 3-dimensional (3D) approach sensing region; generating an approach sensing signal denoting detection of approach within the 3D approach sensing region using the detected capacitance; and generating contact information corresponding to the generated approach sensing signal. - View Dependent Claims (13, 14, 15, 16)
-
-
17. A touch sensing apparatus comprising:
-
approach sensing electrode arrays disposed on a substrate; a signal generation unit to generate an approach sensing signal by detecting a variation of capacitance generated between the approach sensing electrode arrays when an object approaches the approach sensing electrode arrays, the variation of capacitance occurring in a 3-dimensional (3D) approach sensing region; and an information generation unit to generate contact information corresponding to the approach sensing signal generated by the signal generation unit. - View Dependent Claims (18)
-
-
19. A method of sensing an approach by a touch sensing apparatus, comprising:
-
detecting a variation of capacitance generated between approach sensing electrode arrays disposed on a substrate when an object approaches the approach sensing electrode arrays, the variation of capacitance occurring in a 3-dimensional (3D) approach sensing region; generating an approach sensing signal denoting detection of approach within the 3D approach sensing region using the detected capacitance; and generating contact information corresponding to the generated approach sensing signal. - View Dependent Claims (20)
-
Specification