DISPLAY DEVICE AND SENSING SIGNAL PROCESSING APPARATUS
First Claim
1. A display device comprising:
- a plurality of first sensing data lines extending in a first direction;
a plurality of second sensing data lines extending in a second direction;
a plurality of first sensors connected to the first sensing data lines;
a plurality of second sensors connected to the second sensing data lines;
a plurality of first signal converters which compare first sensing data signals from each of the first sensing data lines with a first reference voltage and output first sensing output signals;
a plurality of second signal converters which compare second sensing data signals from each of the second sensing data lines with the first reference voltage and output second sensing output signals;
a first position signal output unit which outputs a predetermined bit of a first position signal depending on the plurality of first sensing output signals;
a second position signal output unit which outputs a predetermined bit of a second position signal depending on the plurality of second sensing output signals;
a signal output unit which outputs a digital sensing signal in series based on the first and second position signals from the first and second position signal output units; and
a contact determiner which determines a contact position of the first and second sensors based on the digital sensing signal from the signal output unit.
2 Assignments
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Accused Products
Abstract
A display device includes a plurality of first and second sensing data lines; a plurality of first and second sensors connected to the first and second sensing data lines, respectively; a plurality of first signal converters which compare a first sensing data signal with a first reference voltage and output a first sensing output signal; a plurality of second signal converters which compare a second sensing data signal with the first reference voltage and output a second sensing output signal; a first position signal output unit which outputs a predetermined bit of a first position signal; a second position signal output unit which outputs a predetermined bit of a second position signal; a signal output unit which outputs a digital sensing signal in series; and a contact determiner which determines a contact position of the first and second sensors.
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Citations
31 Claims
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1. A display device comprising:
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a plurality of first sensing data lines extending in a first direction; a plurality of second sensing data lines extending in a second direction; a plurality of first sensors connected to the first sensing data lines; a plurality of second sensors connected to the second sensing data lines; a plurality of first signal converters which compare first sensing data signals from each of the first sensing data lines with a first reference voltage and output first sensing output signals; a plurality of second signal converters which compare second sensing data signals from each of the second sensing data lines with the first reference voltage and output second sensing output signals; a first position signal output unit which outputs a predetermined bit of a first position signal depending on the plurality of first sensing output signals; a second position signal output unit which outputs a predetermined bit of a second position signal depending on the plurality of second sensing output signals; a signal output unit which outputs a digital sensing signal in series based on the first and second position signals from the first and second position signal output units; and a contact determiner which determines a contact position of the first and second sensors based on the digital sensing signal from the signal output unit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A sensing signal processing apparatus comprising:
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a plurality of first signal converters which compare a first sensing data signal from a plurality of first sensors with a first reference voltage and output first sensing output signals; a plurality of second signal converters which compare a second sensing data signal from a plurality of second sensors with the first reference voltage and output second sensing output signals; a first position signal output unit which outputs a predetermined bit of a first position signal depending on the plurality of first sensing output signals; a second position signal output unit which outputs a predetermined bit of a second position signal depending on the plurality of second sensing output signals; and a signal output unit which outputs a digital sensing signal in series based on the first and second position signals from the first and second position signal output units. - View Dependent Claims (19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31)
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Specification