APPARATUS AND METHOD FOR DETECTING ADJACENT OBJECT AND METHOD OF DRIVING ELECTRONIC DEVICE
First Claim
1. An apparatus for detecting an adjacent object, comprising:
- a substrate;
a plurality of first electrodes including one or more 1a electrodes and one or more 1b electrodes disposed to extend in a first direction on one surface of the substrate;
a plurality of second electrodes disposed alternately and in parallel with the first electrodes on the surface of the substrate to form capacitors together with the first electrodes;
a signal source configured to generate electrical signals;
a detector configured to detect current signals output when the electrical signals are applied to the capacitors; and
a controller configured to connect the signal source to the first electrodes and the detector to the second electrodes,wherein the signal source applies out of phase signals with each other to the 1a electrodes and the 1b electrodes.
1 Assignment
0 Petitions
Accused Products
Abstract
Provided are an apparatus and method for detecting an adjacent object, and a method of driving an electronic device. The apparatus includes a substrate, a plurality of first electrodes including a plurality of first electrodes disposed to extend in a first direction on one surface of the substrate, a plurality of second electrodes disposed alternately and in parallel with the first electrodes on the surface of the substrate to form capacitors together with the first electrodes, a signal source configured to generate electrical signals, a detector configured to detect current signals output when the electrical signals are applied to the capacitors, and a controller configured to connect the signal source to the first electrodes and the detector to the second electrodes.
-
Citations
34 Claims
-
1. An apparatus for detecting an adjacent object, comprising:
-
a substrate; a plurality of first electrodes including one or more 1a electrodes and one or more 1b electrodes disposed to extend in a first direction on one surface of the substrate; a plurality of second electrodes disposed alternately and in parallel with the first electrodes on the surface of the substrate to form capacitors together with the first electrodes; a signal source configured to generate electrical signals; a detector configured to detect current signals output when the electrical signals are applied to the capacitors; and a controller configured to connect the signal source to the first electrodes and the detector to the second electrodes, wherein the signal source applies out of phase signals with each other to the 1a electrodes and the 1b electrodes. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
-
-
11. An apparatus for detecting an adjacent object, comprising:
-
a substrate; a plurality of first electrodes including one or more 1a electrodes and one or more 1b electrodes disposed to extend in a first direction on one surface of the substrate; a plurality of second electrodes disposed alternately and in parallel with the first electrodes on the surface of the substrate to form capacitors together with the first electrodes; a signal source configured to generate electrical signals; a detector configured to detect current signals output when the electrical signals are applied to the capacitors; and a controller configured to connect the signal source to the first electrodes and the detector to the second electrodes, wherein the signal source applies signals in phase with each other to the 1a electrodes and the 1b electrodes. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19)
-
-
20. A method for detecting an adjacent object, comprising:
-
(a) applying electrical signals in phase with each other to at least one 1a electrode and at least one 1b electrode disposed to extend in a first direction on one surface of a substrate; (b) receiving current signals from a plurality of second electrodes disposed alternately and in parallel with the 1a electrode and the 1b electrode on the surface of the substrate to form capacitors together with the 1a electrode and the 1bth electrode; and (c) converting the received current signals into voltage signals to detect an object adjacent to the substrate. - View Dependent Claims (21, 22, 23)
-
-
24. A method for detecting an adjacent object, comprising:
-
(a) applying electrical signals out of phase with each other to at least one 1a electrode and at least one 1b electrode disposed to extend in a first direction on one surface of a substrate; (b) receiving current signals from a plurality of second electrodes disposed alternately and in parallel with the 1a electrode and the 1b electrode on the surface of the substrate to form capacitors together with the 1a electrode and the 1b electrode; and (c) converting the received current signals into voltage signals to detect an object adjacent to the substrate. - View Dependent Claims (25, 26, 27, 28)
-
-
29. A method of driving an electronic device, comprising:
-
(a) applying electrical signals in phase with each other to a plurality of first electrodes disposed to extend in a first direction on one surface of a substrate and receiving current signals from a plurality of second electrodes disposed alternately and in parallel with the first electrodes on the surface of the substrate to detect approach of an object; (b) when approach of an object is detected, applying electrical signals out of phase with each other to the first electrodes and receiving current signals generated by electric field fluxes formed by the electrical signals out of phase with each other from the second electrodes to detect a touch of the object; and (c) when a touch of the object is detected, driving the electronic device in an active mode. - View Dependent Claims (30, 31)
-
-
32. A method of driving an electronic device, comprising:
-
(a) applying electrical signals out of phase with each other to a plurality of first electrodes disposed to extend in a first direction on one surface of a substrate and receiving current signals from a plurality of second electrodes disposed alternately and in parallel with the first electrodes on the surface of the substrate to detect a touch of an object; (b) when no touch of an object is detected for a predetermined time, applying electrical signals in phase with each other to the first electrodes and receiving current signals generated by electric field fluxes formed by the electrical signals in phase with each other from the second electrodes to detect approach of the object; and (c) when no approach of the object is detected for a predetermined time, driving the electronic device in a stop mode. - View Dependent Claims (33, 34)
-
Specification