Mobile terminal and method for controlling the same

• US 9,977,541 B2
• Filed: 02/07/2017
• Issued: 05/22/2018
• Est. Priority Date: 04/11/2014
• Status: Active Grant

• Current Assignee: LG Electronics, Inc. (LG Corporation)
• Original Assignee: LG Electronics, Inc. (LG Corporation)
• Inventors: Lee, Hanbin
• Primary Examiner(s): Safaipour, Bobbak
• Application Number:
  US15/426,857
• Publication Number:
  US 20170147150A1
• Time in Patent Office: 469 Days
• CPC Class Codes: G02F 1/133345 Insulating layers G02F1/1335, G02F1/1337, G02F1/135, G02F1/136 take precedence
• CPC Class Codes: G02F 1/13338 Input devices, e.g. touch panels
• CPC Class Codes: G02F 1/133514 Colour filters
• CPC Class Codes: G02F 1/133528 Polarisers
• CPC Class Codes: G02F 1/13439 characterised by their electrical, optical, physical properties; materials therefor; method of making
• CPC Class Codes: G02F 1/1368 in which the switching element is a three-electrode device G02F1/136277 takes precedence
• CPC Class Codes: G06F 1/1643 the display being associated to a digitizer, e.g. laptops that can be used as penpads details related to the relative motion of the display enclosure with respect to the body enclosure, e.g. to move between laptop and tablet PC configuration G06F1/1615
• CPC Class Codes: G06F 2203/04101 2.5D-digitiser, i.e. digitiser detecting the X/Y position of the input means, finger or stylus, also when it does not touch, but is proximate to the digitiser's interaction surface and also measures the distance of the input means within a short range in the Z direction, possibly with a separate measurement setup
• CPC Class Codes: G06F 2203/04102 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 Class Codes: G06F 2203/04105 Pressure sensors for measuring the pressure or force exerted on the touch surface without providing the touch position
• CPC Class Codes: G06F 2203/04806 Zoom, i.e. interaction techniques or interactors for controlling the zooming operation
• CPC Class Codes: G06F 3/03547 Touch pads, in which fingers can move on a surface
• CPC Class Codes: G06F 3/0412 Digitisers structurally integrated in a display
• CPC Class Codes: G06F 3/0418 for error correction or compensation, e.g. based on parallax, calibration or alignment
• CPC Class Codes: G06F 3/0445 using two or more layers of sensing electrodes, e.g. using two layers of electrodes separated by a dielectric layer
• 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 3/0447 Position sensing using the local deformation of sensor cells
• CPC Class Codes: G06F 3/047 using sets of wires, e.g. crossed wires
• CPC Class Codes: G06F 3/04847 Interaction techniques to control parameter settings, e.g. interaction with sliders or dials
• CPC Class Codes: G06F 3/04883 for inputting data by handwriting, e.g. gesture or text
• CPC Class Codes: 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
• CPC Class Codes: H04M 1/0266 : for a display module assembly
• CPC Class Codes: H04M 1/72469 : for operating the device by selecting functions from two or more displayed items, e.g. menus or icons
• CPC Class Codes: H10K 2102/311 : Flexible OLED
• CPC Class Codes: H10K 50/868 : Arrangements for polarized light emission H10K50/86 takes precedence
• CPC Class Codes: H10K 59/1213 : the pixel elements being TFTs
• CPC Class Codes: H10K 59/38 : comprising colour filters or colour changing media [CCM]
• CPC Class Codes: H10K 59/40 : OLEDs integrated with touch screens
• CPC Class Codes: H10K 59/8793 : Arrangements for polarized light emission H10K59/8791 takes precedence

Abstract

A mobile terminal including a body forming an external appearance of the terminal; a window; a touch screen containing a first display region and a second display region and including a touch sensor and disposed in the body; the touch screen deposed below the window; a first sensing layer configured to sense a change of capacitance on the first sensing layer for detecting a pressure of a touch input; and a controller configured to display a virtual keyboard in the second display region for a text input, display text in the first display region based on a first touch input applied to the virtual keyboard in the second display region, display an indicator in the first display region based on a second touch input applied to the virtual keyboard in the second display region, if the second touch input is determined as a pressure touch based on the sensed change of the capacitance of the second touch input via the first sensing layer, and move the indicator in the first display region based on a movement of the second touch input in the second display region.

Claims

1. A mobile terminal, comprising:

a touch screen including a touch sensing layer sensing touch coordinates and a display unit displaying information;

a window provided on the touch screen;

a deformation layer deformable by a pressure of a touch input on the window;

a third sensing layer sensing a change of capacitance based on deforming a deformation region of the deformation layer corresponding to a region of the touch input on the window; and

a controller configured to;

control the touch screen to display a virtual keyboard on the touch screen,

control the touch screen to detect a first touch input on the virtual keyboard on the touch screen,

determine a touch pressure and a touch coordinate when the first touch input is applied on a region of the window corresponding to the virtual keyboard on the touch screen,

if the controller detects the first touch input with a first touch pressure less than a reference touch pressure when the first touch input is applied on the region of the window corresponding to the virtual keyboard on the touch screen, control the touch screen to display text corresponding to a coordinate of the first touch input with the first touch pressure applied to the virtual keyboard in the touch screen, and

if the controller detects the first touch input with a second touch pressure over than the reference touch pressure when the first touch input is applied on the region of the window corresponding to the virtual keyboard on the touch screen, control the touch screen to display a pointer in the touch screen,

wherein the controller controls the touch screen to change a location of the displayed pointer in response to touch coordinates changed by a movement of the first touch input with the second touch pressure applied on the region of the window corresponding to the virtual keyboard on the touch screen, and

wherein the controller controls the touch screen to move a location of the displayed pointer based on changing coordinates of the first touch input without maintaining the second touch pressure while the touch coordinates are changed.

2. The mobile terminal of claim 1, wherein the deformation layer is disposed between the touch sensing layer and the third sensing layer.

3. The mobile terminal of claim 1, wherein the touch sensing layer further includes a first sensing layer and a second sensing layer.

4. The mobile terminal of claim 3, wherein the controller is further configured to detect a position of the first touch input by sensing the change of capacitance occurring on the first sensing layer and the second sensing layer.

5. The mobile terminal of claim 3, wherein one of the first sensing layer and the second sensing layer is a transmit (Tx) layer and the other one is a receive (Rx) layer.

6. The mobile terminal of claim 3, wherein the first sensing layer comprises a plurality of first sensing lines and the second sensing layer comprises a plurality of second sensing lines, and

wherein an insulating layer is foil led in regions at which the plurality of first sensing lines and the plurality of second sensing lines are crossed.

7. The mobile terminal of claim 6, wherein the plurality of first sensing lines and the plurality of second sensing lines are formed on a same layer of the touch screen.

8. The mobile terminal of claim 1, wherein the controller is further configured to display the pointer continuously even though the second touch pressure of the first touch input is no longer detected.

9. The mobile terminal of claim 1, wherein the touch screen comprises an LCD panel or an OLED panel.

10. The mobile terminal of claim 1, wherein the changing of the touch coordinates of the first touch input includes a movement within any area of the virtual keyboard.

11. An electronic device, comprising:

a window;

a display displaying information;

a touch sensing layer sensing touch coordinates;

a deformation layer deformable by a touch pressure;

a third sensing layer sensing a change of capacitance in response to deforming the deformation layer;

one or more processors;

memory; and

one or more programs, wherein the one or more programs are stored in the memory and configured to be executed by the one or more processors,

the one or more programs including instructions for;

controlling the touch screen to display a virtual keyboard on the touch screen,

controlling the touch screen to detect a first touch input on the virtual keyboard on the touch screen,

determining a touch pressure and a touch coordinate when the first touch input is applied on a region of the window corresponding to the virtual keyboard on the touch screen,

if the controller detects the first touch input with a first touch pressure less than a reference touch pressure when the first touch input is applied on the region of the window corresponding to the virtual keyboard on the touch screen, controlling the touch screen to display text corresponding to a coordinate of the first touch input with the first touch pressure applied to the virtual keyboard on the touch screen, and

if the controller detects the first touch input with a second touch pressure over than the reference touch pressure when the first touch input is applied on the region of the window corresponding to the virtual keyboard in the touch screen, control the touch screen to display a pointer in the touch screen,

wherein the controller controls the touch screen to change a location of the displayed pointer in response to touch coordinates changed by a movement of the first touch input with the second touch pressure applied on the region of the window corresponding to the virtual keyboard on the touch screen, and

wherein the controller controls the touch screen to move a location of the displayed pointer based on changing coordinates of the first touch input without maintaining the second touch pressure while the touch coordinates are changed.

12. The electronic device of claim 11, wherein the deformation layer is disposed between the touch sensing layer and the third sensing layer.

13. The electronic device of claim 11, wherein the touch sensing layer further includes a first sensing layer and a second sensing layer.

14. The electronic device of claim 13, wherein the controller is further configured to detect a position of the first touch input by sensing the change of capacitance occurring on the first sensing layer and the second sensing layer.

15. The electronic device of claim 13, wherein one of the first sensing layer and the second sensing layer is a transmit (Tx) layer and the other one is a receive (Rx) layer.

16. The electronic device of claim 13, wherein the first sensing layer comprises a plurality of first sensing lines and the second sensing layer comprises a plurality of second sensing lines, and

wherein an insulating layer is formed in regions at which the plurality of first sensing lines and the plurality of second sensing lines are crossed.

17. The electronic device of claim 16, wherein the plurality of first sensing lines and the plurality of second sensing lines are formed on a same layer of the touch screen.

18. The electronic device of claim 11, wherein the controller is further configured to display the pointer continuously even though the second touch pressure of the first touch input is no longer detected.

19. The electronic device of claim 11, wherein the touch screen comprises an LCD panel or an OLED panel.

20. The electronic device of claim 11, wherein the changing of the touch coordinates of the first touch input includes a movement within any area of the virtual keyboard.