Control method and electronic device

Patent metadata

Field	Value
Publication number	US-10558289-B2
Application number	US-201615376973-A
Country	US
Kind code	B2
Filing date	Dec 13, 2016
Priority date	Dec 14, 2015
Publication date	Feb 11, 2020
Grant date	Feb 11, 2020

Abstract

For controlling flexible display electronic devices, a control method and electronic device are disclosed. The control method includes receiving signals from touch electrodes of a flexible display touch screen for an electronic device, calculating a bending parameter of the flexible display touch screen, and controlling an operation of the electronic device. The electronic device includes a flexible display touch screen, wherein the flexible display touch screen includes touch electrodes and a touch detection circuit. The electronic device includes a driving chip that controls the electronic device. The electronic device includes a processor that calculates a bending parameter of the flexible display touch screen.

First claim

What is claimed is:

1. A method comprising:
receiving a plurality of signals from touch electrodes of a flexible display touch screen for an electronic device;
calculating a bending parameter of the flexible display touch screen based upon the plurality of signals, wherein the bending parameter is associated with a bending state, wherein the bending state is one of a flat work mode, a statically-bending work mode, and a dynamically-bending work mode wherein changes in the amount of bending in a first area of the flexible display touch screen within a set period of time exceed a set threshold;
determining whether the flexible display touch screen has the first area based on changes in inductive capacitances corresponding to the touch electrodes; and
controlling an operation of the electronic device in response to receiving the plurality of signals, wherein, in response to determining that the flexible display touch screen is in the dynamically-bending working mode based on changes in the amount of bending of the first area of the flexible display touch screen within the set period of time satisfying the set threshold,
the touch electrodes in the first area are used for obtaining the bending parameter, and
the touch electrodes in one or more non-first areas are used for recognizing touch operations.

2. The method of claim 1 , wherein calculating a bending parameter of the flexible display touch screen based upon the plurality of signals comprises analyzing changes of inductive capacitances corresponding to the plurality of signals.

3. The method of claim 2 , wherein analyzing changes of inductive capacitances corresponding to the plurality of signals comprises:
determining whether the flexible display touch screen has the first area that spans across the flexible display touch screen in a first direction, in which an amount of change in the inductive capacitances of touch electrodes corresponding to a central line parallel to the first direction in the first area is at its greatest, and the farther a position is from the central line of the first area, the smaller the amount of change is in the inductive capacitances corresponding to this position.

4. The method of claim 2 , wherein in response to determining that the flexible display screen does not have the first area, the method further comprises executing the flat work mode in a flat state of the flexible display touch screen and driving the touch electrodes to detect touch operations.

5. The method of claim 2 , wherein in response to determining that the flexible display touch screen has the first area, analyzing changes of inductive capacitances corresponding to the plurality of signals further comprises analyzing the amount of change in the inductive capacitances of the touch electrodes corresponding to the position of the central line.

6. The method of claim 5 , wherein, in response to determining that the flexible display touch screen has the first area and the flexible display touch screen has entered a dynamically-bending state, the method further comprises executing the dynamically-bending work mode in accordance with the amount of change in the inductive capacitances of the touch electrodes corresponding to the position of the central line.

7. The method of claim 6 , wherein the method further comprises:
calculating the bending parameter of the flexible display touch screen based upon the plurality of signals of the touch electrodes corresponding to the first area and detecting touch operations through the plurality of signals of the touch electrodes in other areas of the flexible touch display screen.

8. The method of claim 5 , wherein, in response to determining that the flexible display touch screen has the first area and the flexible touch screen has entered a statically-bending state, the method further comprises executing the statically-bending work mode.

9. The method of claim 8 , wherein the method further comprises detecting touch operations through all the touch electrodes of the flexible display touch screen.

10. The method of claim 8 , wherein a touch detection threshold of the touch electrodes corresponding to the first area is different from that of the touch electrodes in other areas of the flexible display touch screen.

11. An electronic device comprising:
a flexible display touch screen, the flexible display touch screen comprising a layer of touch electrodes and a touch detection circuit coupled with the touch electrodes, the touch detection circuit detecting signals from the touch electrodes;
a driving chip coupled with the touch detection circuit configured to control the electronic device in response to the signals from the touch electrodes detected by the touch detection circuit; and
a processor configured to calculate a bending parameter of the flexible display touch screen in response to the touch detection circuit detecting signals from the touch electrodes, wherein the bending parameter is associated with a bending state selected from a flat work mode, a statically-bending work mode, and a dynamically-bending work mode wherein changes in the amount of bending in a first area of the flexible display touch screen within a set period of time exceed a set threshold,
wherein in response to the processor determining that the flexible display touch screen is in the dynamically-bending working mode based on changes in the amount of bending of the first area of the flexible display touch screen within the set period of time satisfying the set threshold,
the touch electrodes in the first area are used for obtaining the bending parameter, and
the touch electrodes in one or more non-first areas are used for recognizing touch operations.

12. The electronic device of claim 11 , wherein the processor calculates the bending parameter of the flexible display touch screen by analyzing changes of inductive capacitances corresponding to the plurality of signals.

13. The electronic device of claim 12 , wherein analyzing changes of inductive capacitances corresponding to the plurality of signals comprises:
determining whether the flexible display touch screen has the first area that spans across the flexible display touch screen in a first direction, in which an amount of change in the inductive capacitances of touch electrodes corresponding to a central line parallel to the first direction in the first area is at its greatest, and the farther a position is from the central line of the first area, the smaller the amount of change is in the inductive capacitances corresponding to this position.

14. The electronic device of claim 13 , wherein in response to determining that the flexible display screen does not have the first area, the processor executes the flat work mode in a flat state of the flexible display touch screen and the driver chip drives the touch electrodes to detect touch operations.

15. The electronic device of claim 13 , wherein after determining that the flexible display touch screen has the first area, the processor analyzes the amount of change in the inductive capacitances of the touch electrodes corresponding to the position of the central line.

16. The electronic device of claim 15 , wherein in response to determining that the flexible display touch screen has entered a dynamically-bending state, the processor executes the dynamically-bending work mode in accordance with the amount of change in the inductive capacitances of the touch electrodes corresponding to the position of the central line.

17. The electronic device of claim 16 , wherein in response to the processor determining th

Assignees

• Lenovo Beijing Ltd

Inventors

• Wang Dongyang
• Li Guangbin
• Xie Bing
• Zhang Xuhui

Classifications

• G06F2203/04102

  Flexible digitiser, i.e. constructional details for allowing the whole digitising part of a device to be flexed or rolled like a sheet of paper · CPC title

• G06F3/0412 Primary

  Digitisers structurally integrated in a display · CPC title

• G06F3/0414

  using force sensing means to determine a position · CPC title

• G06F3/044

  by capacitive means · CPC title

• G06F3/0416 Primary

  Control or interface arrangements specially adapted for digitisers · CPC title