DISPLAY DEVICE AND METHOD OF DRIVING THE SAME
First Claim
Patent Images
1. A display device, comprising:
- at least one row sensor data line extending in a row direction;
at least one column sensor data line extending in a column direction;
a first sensing unit that is connected to the row sensor data line, the first sensing unit to output a first sensing signal according to a touch;
a second sensing unit that is connected to the column sensor data line, the second sensing unit to output a second sensing signal according to the touch;
a sensing signal processor to alternately apply a reset voltage to the row sensor data line and the column sensor data line and generate a sensing data signal according to the first sensing signal and the second sensing signal; and
a touch determiner to process the sensing data signal to generate touch information.
2 Assignments
0 Petitions
Accused Products
Abstract
In a touch sensible display device, a first sensing unit is connected to a row sensor data line and outputs a first sensing signal according to a touch, and a second sensing unit is connected to a column sensor data line and outputs a second sensing signal according to the touch. A sensing signal processor alternately applies a reset voltage to the row sensor data line and the column sensor data line and generates a sensing data signal according to the first sensing signal and the second sensing signal, and a touch determiner processes a sensing data signal to generate touch information.
83 Citations
25 Claims
-
1. A display device, comprising:
-
at least one row sensor data line extending in a row direction; at least one column sensor data line extending in a column direction; a first sensing unit that is connected to the row sensor data line, the first sensing unit to output a first sensing signal according to a touch; a second sensing unit that is connected to the column sensor data line, the second sensing unit to output a second sensing signal according to the touch; a sensing signal processor to alternately apply a reset voltage to the row sensor data line and the column sensor data line and generate a sensing data signal according to the first sensing signal and the second sensing signal; and a touch determiner to process the sensing data signal to generate touch information. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
-
-
14. A display device, comprising:
-
an insulator having a first surface that can be touched by a user and a second surface at an opposite side thereof; a plurality of first sensing signal lines that are disposed on the second surface of the insulator and that extend in a first direction; a plurality of second sensing signal lines that are disposed on the second surface of the insulator and that extend in a second direction; a sensing signal processor to alternately apply a reset voltage to the first sensing signal lines and the second sensing signal lines and generate a sensing data signal according to a first sensing signal flowing to the first sensing signal lines and a second sensing signal flowing to the second sensing signal lines; and a touch determiner to process the sensing data signal to generate touch information, wherein each first sensing signal line comprises; a plurality of first sensor electrodes, and a plurality of first connectors that connect the first sensor electrodes and that have a smaller width than the first sensor electrodes, wherein each second sensing signal line comprises; a plurality of second sensor electrodes that are adjacent to the first sensor electrodes, and a plurality of second connectors that connect the second sensor electrodes, that cross the first connectors, and that have a smaller width than the second sensor electrodes, and wherein the sensing signal processor receives the second sensing signal while the reset voltage is applied to the first sensing signal lines and the second sensing signal lines are floated, and receives the first sensing signal while the reset voltage is applied to the second sensing signal lines and the first sensing signal lines are floated. - View Dependent Claims (15, 16, 17)
-
-
18. A method of driving a display device comprising at least one row sensor data line extending in a row direction and at least one column sensor data line extending in a column direction, the method comprising:
-
applying a reset voltage to the column sensor data line during a first period; generating a first output voltage by processing a first sensing signal that is output through the row sensor data line according to a touch during the first period; applying a reset voltage to the row sensor data line during a second period; generating a second output voltage by processing a second sensing signal that is output through the column sensor data line according to the touch during the second period; generating a sensing data signal by processing the first output voltage and the second output voltage; and generating touch information from the sensing data signal. - View Dependent Claims (19, 20, 21, 22, 23, 24, 25)
-
Specification