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US 11,531,429 B2Granted
Touch sensing device with a circular display and method of detecting touch coordinates thereof
AssigneeSilicon Works Co., Ltd.
InventorSe Jeong Park
Life of this patent
Estimating the term…
Abstract
Disclosed is a method of detecting touch coordinates in a touch sensing device. The method of detecting touch coordinates may include calculating touch coordinates of a touch point, determining whether the touch coordinates need to be corrected, extending a first distance between reference coordinates and the touch coordinates to a second distance when the touch coordinates need to be corrected, and correcting the touch coordinates by using a value of the second distance.
Claims18
A method of detecting touch coordinates in a touch sensing device, the method comprising:
- calculating touch coordinates of a touch point;
- determining that the touch are coordinates that need to be corrected, when a value of a first distance, which is between reference coordinates and the touch coordinates, is within a reference range;
- extending the first distance to a second distance when the touch coordinates need to be corrected;
- and
- correcting the touch coordinates by using a value of the second distance,
- wherein the touch coordinates are on a circular display,
- wherein the extending of the first distance to the second distance comprises:
- extending the first distance to the second distance by calculating the value of the first distance as the value of the second distance according to an equation corresponding to the value of the first distance,
- wherein the first distance is between the touch coordinates and the center of a circle of the circular display, and
- wherein the equation is set to extend the first distance to the second distance at a greater slope as the first distance becomes closer to a radius of the circle.
7 more elements
A touch sensing device comprising:
- a read-out circuit configured to read charges from a touch sensing panel and output data corresponding to the read charges;
- and
- a controller configured to:
- calculate touch coordinates by using the data,
- determine that the touch coordinates are coordinates that need to be corrected, when a value of a first distance, which is between reference coordinates and the touch coordinates, is within a reference range,
- extend the first distance to a second distance when the touch coordinates need to be corrected, and
- correct the touch coordinates by using a value of the second distance,
- wherein the touch coordinates are on a circular display,
- wherein the controller configured to extend the first distance to the second distance by calculating the value of the first distance as the value of the second distance according to an equation corresponding to the value of the first distance,
- wherein the first distance is between the touch coordinates and the center of a circle of the circular display, and
- wherein the equation is set to extend the first distance to the second distance at a greater slope as the first distance becomes closer to a radius of the circle.
8 more elements
Dependencies are inferred from the claim text.