TOUCH SENSING ERROR COMPENSATION
First Claim
1. A touch screen comprising:
- a drive region that is driven by a drive signal;
a sense region that outputs a sense signal that includes information of a first amount of touch on or near the touch screen and information of a first amount of error, wherein the first amount of touch is based on the drive signal;
a compensation sensor that outputs a compensation signal that includes information of a second amount of error; and
an error compensator that compensates for the first amount of error in the sense signal based on the second amount of error.
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Accused Products
Abstract
Error compensation of a touch sensing signal is provided. A touch screen can include a drive region that can be driven by a drive signal, and a sense region that can output a sense signal that includes information of a first amount of touch on or near the touch screen and information of a first amount of error. The first amount of touch can be based on the drive signal. The touch screen can include a compensation sensor that can output a compensation signal that includes information of a second amount of error, and an error compensator that can compensate for the first amount of error in the sense signal based on the second amount of error.
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Citations
17 Claims
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1. A touch screen comprising:
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a drive region that is driven by a drive signal; a sense region that outputs a sense signal that includes information of a first amount of touch on or near the touch screen and information of a first amount of error, wherein the first amount of touch is based on the drive signal; a compensation sensor that outputs a compensation signal that includes information of a second amount of error; and an error compensator that compensates for the first amount of error in the sense signal based on the second amount of error. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A method of compensating for error in a touch sensing signal, the method comprising:
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obtaining the touch sensing signal that includes information of a first amount of touch and information of a first amount of error; obtaining a compensation signal that includes information of a second amount of error; and compensating for the first amount of error based on the second amount of error. - View Dependent Claims (13, 14, 15, 16, 17)
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Specification