# US 2014/0152601 A1 · Touch display device and control method thereof

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- Number: US 2014/0152601 A1
- Document ID: US20140152601A1
- Status: Published application
- Kind: A1
- Application number: 14/092,899
- Filed: 2013-11-27
- Published: 2014-06-05
- Earliest claimed: 2012-12-03
- Assignees: Hon Hai Precision Industry Co., Ltd.
- Applicants: Hon Hai Precision Industry Co., Ltd.
- Inventors: KUO-WEI HUNG
- Web page: https://patentgrep.com/patent/US20140152601A1

## CPC

- G06F 3/04886: by partitioning the display area of the touch-screen or the surface of the digitising tablet into independently controllable areas, e.g. virtual keyboards or menus
- G06F 3/0416: {Control or interface arrangements specially adapted for digitisers}
- G06F 2203/04803: Split screen, i.e. subdividing the display area or the window area into separate subareas
- G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N)

## Abstract

A touch display device includes a display, a touch panel, a storage, a touch driver, and a processor. The display displays a graphical user interface (GUI). The touch panel senses a touch operation. The touch driver defines a valid operation area of the touch panel according to the GUI and obtains information of touch operations applied to the touch panel. When a location of the touch operation is located within the valid operation area, the touch driver generates a touch signal. When a location of the touch operation is not located within the valid operation area, the touch operation is determined to be an invalid touch operation, and the touch driver does not generate a touch signal.

## Claims

### Claim 1

A touch display device, comprising:
a display displaying a graphic user interface (GUI);
a touch panel;
a processor; and
a touch driver comprising a plurality of software programs, the plurality of software programs comprising:
an area defining module defining a valid operation area according to the GUI;
a touch detection module detecting a touch operation applied to the touch panel and obtaining information of the touch operation;
a determination module determining whether the touch operation is within the valid operation area, and sending a touch signal to the processor when the touch operation is located within the valid operation area; and when the touch operation is not within the valid operation area, no touch signals are generated.

### Claim 2 (depends on 1)

The touch display device of claim 1, wherein the GUI comprises a plurality of touchable items, each touchable item corresponds to a function or an application of the touch display device; when one of the touchable items is touched, a corresponding function or application of the touch display device is activated.

### Claim 3 (depends on 2)

The touch display device of claim 2, further comprising a storage storing attribute information of the GUI, the touchable items, and applications corresponding to the touchable items.

### Claim 4 (depends on 3)

The touch display device of claim 3, wherein the attribute information comprises coordinates of four endpoints of the GUI on the display which four connection lines between the four endpoints form four edges of the GUI and a location of each touchable item on the GUI.

### Claim 5 (depends on 4)

The touch display device of claim 4, wherein the touch panel comprises a plurality of scanning lines Xi(1≦i≦M, M is a natural number) to sense a first coordinate of the touch operation and a plurality of sensing lines Yj(1≦j≦N, N is a natural number) to sense a second coordinate of the touch operation.

### Claim 6 (depends on 5)

The touch display device of claim 5, wherein the valid operation area is determined by:
determining two scanning lines and two sensing lines corresponding to four edges, respectively, of the GUI according to the size of the GUI; and
determining a rectangular area surrounded by the two scanning lines and the two sensing lines, where the rectangular are is determined to be the valid operation area.

### Claim 7 (depends on 1)

The touch display device of claim 1, wherein a type of the touch operation comprises a single-tap touch, a multiple-tap touch, and a sliding touch.

### Claim 8

A control method of a touch display device, comprising:
displaying a graphic user interface (GUI) on a display of the touch display device;
defining a valid operation area according to attribute information of the GUI;
detecting a touch operation applied to a touch panel of the touch display device;
determining whether the touch operation is located within the valid operation area; sending a touch signal to a processor of the touch display device when the touch operation is located within the valid operation area; and
when the touch operation is not located within the valid operation area, detecting step is repeated.

### Claim 9 (depends on 8)

The control method of claim 8, further comprising performing a corresponding function corresponding to the touch signal.

### Claim 10 (depends on 8)

The control method of claim 8, wherein in the step of defining a valid operation area comprising: determining two scanning lines and two sensing lines corresponding to four edges, respectively, of the GUI according to the attribute information of the GUI; and determining a rectangular area surrounded by the two scanning lines and the two sensing lines, where the rectangular are is determined to be the valid operation area.

### Claim 11 (depends on 8)

The control method of claim 8, wherein the attribute information includes a size, a position of the GUI, and a position of each touchable item on the GUI.