METHOD FOR PROCESSING BENDING EVENT IN FLEXIBLE PORTABLE TERMINAL, MACHINE-READABLE STORAGE MEDIUM, AND FLEXIBLE TERMINAL

• US 20140043263A1
• Filed: 08/06/2013
• Published: 02/13/2014
• Est. Priority Date: 08/13/2012
• Status: Abandoned Application

• Current Assignee: Samsung Electronics Co. Ltd.
• Original Assignee: Samsung Electronics Co. Ltd.
• Inventors: PARK, Kyung-Wan, KANG, Seok-Myong, CHOI, Youn-Ho, SEO, Ho-Seong, JUNG, Ji-Hyun, CHO, Shi-Yun
• Application Number:
  US13/960,453
• Publication Number:
  US 20140043263A1
• Time in Patent Office: Days
• US Class Current: 345/173
• CPC Class Codes: G06F 1/1626 with a single-body enclosure integrating a flat display, e.g. Personal Digital Assistants [PDAs]
• CPC Class Codes: G06F 1/1652 the display being flexible, e.g. mimicking a sheet of paper, or rollable
• CPC Class Codes: G06F 2203/04802 3D-info-object: information is displayed on the internal or external surface of a three dimensional manipulable object, e.g. on the faces of a cube that can be rotated by the user
• CPC Class Codes: G06F 2203/04803 Split screen, i.e. subdividing the display area or the window area into separate subareas
• CPC Class Codes: G06F 3/04186 Touch location disambiguation
• CPC Class Codes: G06F 3/0443 using a single layer of sensing electrodes
• CPC Class Codes: G06F 3/0446 using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes
• CPC Class Codes: G06F 3/0488 using a touch-screen or digitiser, e.g. input of commands through traced gestures

Abstract

A method and apparatus for processing a bending event of a touch screen in a portable terminal. The method includes counting a number of touch sensing values of the touch screen; comparing the number of the touch sensing values with a threshold; determining that a bending event occurs in the touch screen when the number of the touch sensing values is at least equal to the threshold; and performing at least one of correction of an error of the touch sensing values, a function of the portable terminal allocated to the bending event upon a determination that the bending event occurs.

Claims

1. A method of processing a bending event of a touch screen in a portable terminal, comprising:

counting a number of touch sensing values of the touch screen;

comparing the number of the touch sensing values with a threshold;

determining that a bending event occurs in the touch screen when the number of the touch sensing values is at least equal to the threshold; and

performing at least one of correction of an error of the touch sensing values and a function of the portable terminal allocated to the bending event upon a determination that the bending event occurs.

2. The method of claim 1, wherein the error of the touch sensing values is corrected by updating offset values to be applied to touch sensing values of a next touch sensing period based on the touch sensing values.

3. The method of claim 1, further comprising detecting touch sensing values of the touch screen that are at least equal to a second threshold,

wherein counting the number of touch sensing values of the touch screen comprises counting a number of the detected touch sensing values.

4. The method of claim 3, wherein, in detecting the touch sensing values, differences between the detected touch sensing values and offset values applied to the touch sensing values of a previous touch sensing period are compared with the second threshold.

5. The method of claim 1, wherein a plurality of sensing points of the touch screen are arranged in a matrix structure, and

the touch sensing values are generated by sensing points arranged in a pre-set column among the plurality of sensing points.

6. The method of claim 4, wherein the touch sensing values indicate capacitance values.

7. The method of claim 1, wherein the function of the portable terminal is one of a multimedia control function, an application interface change function and a mode change function.

8. The method of claim 1, wherein the function of the portable terminal is controlled according to a bending direction or a bending angle.

9. The method of claim 1, wherein the correction of the error of the touch sensing values is performed upon determining that the bending event occurs.

10. The method of claim 1, wherein the function of the portable terminal allocated to the bending event is performed upon determining that the bending event occurs.

11. The method of claim 1, wherein the controller is configured to perform the function of the portable terminal allocated to the bending event upon the determination that the bending event occurs.

12. A flexible portable terminal comprising:

a display unit configured to display an image;

a touch panel configured to output touch sensing values; and

a control unit configured to count the number of touch sensing values of the touch panel, to compare the number of the touch sensing values with a threshold, to determine a bending event occurs in the touch panel when the number of the touch sensing values is at least equal to the threshold, and to perform at least one of correction of an error of the touch sensing values and a function of the portable terminal allocated to the bending event upon a determination that the bending event occurs.

13. The flexible portable terminal of claim 12, wherein the control unit is configured to correct the error of the touch sensing values by updating offset values to be applied to touch sensing values of a next touch sensing period based on the touch sensing values.

14. The flexible portable terminal of claim 12, wherein the function of the portable terminal is one of a multimedia control function, an application interface change function and a mode change function.

15. The flexible portable terminal of claim 12, wherein the function of the portable terminal is controlled according to a bending direction or a bending angle.

16. The flexible portable terminal of claim 12, further comprising:

a printed circuit board assembly including a plurality of rigid regions each of which includes a circuit module, and at least one flexible region disposed between the plurality of rigid regions,

the printed circuit board assembly is bent with reference to the flexible region.

17. The flexible portable terminal of claim 16, wherein the at least one flexible region has a grid form.

18. The flexible portable terminal of claim 12, the controller is configured to detect touch sensing values of the touch screen that are at least equal to a second threshold,

wherein the counted number of touch sensing values is a number of the detected touch sensing values.

19. The flexible portable terminal of claim 12, wherein the controller is configured to perform the correction of the error of the touch sensing values upon the determination that the bending event occurs.

20. A machine-readable storage medium in which a program for executing a method comprising:

counting a number of touch sensing values of the touch screen;

comparing the number of the touch sensing values with a threshold;

determining that a bending event occurs in the touch screen when the number of the touch sensing values is at least equal to the threshold; and

performing at least one of correction of an error of the touch sensing values and a function of the portable terminal allocated to the bending event upon a determination that the bending event occurs.