Mobile terminal and method for controlling the same

• US 9,977,539 B2
• Filed: 05/12/2016
• 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): Boyd, Jonathan
• Application Number:
  US15/153,551
• Publication Number:
  US 20160259481A1
• Time in Patent Office: 740 Days
• Field of Search: 345174
• 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 force sensitive touch screen device can include a device body including a first region and a second region, a window on the device body and corresponding to the first and second regions, a display unit below the window corresponding to the first region, a key input unit on the second region, and a touch sensor including a first touch sensing layer, a second touch sensing layer, and a force sensing layer, in which the first and second touch sensing layers are between a polarizer layer and a thin film transistor (TFT) layer that can detect a position of a touch input by sensing a change of capacitance on the first sensing layer and the second sensing layer, the force sensing layer can detect a force of the touch input by sensing capacitance on the third sensing layer, and a finger scan sensor is installed in the key input unit.

Claims

1. A mobile terminal comprising:

a touch screen including a touch sensing layer having a first sensing layer and a second sensing layer and a display unit displaying information;

a window provided on the touch screen;

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

a third sensing layer sensing a change of capacitance in response to deforming the deformation region corresponding to a region of the touch input on the window, wherein the deformation region is disposed between the touch sensing layer and the third sensing layer; and

a controller configured to;

control the touch screen to display a map screen on the touch screen,

control the touch screen to detect a first touch input on a specific region of the map screen 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 specific region of the map screen on the touch screen,

in response to detecting the first touch input with a first touch pressure less than a first reference touch pressure when the first touch input is applied on the region of the window corresponding to the specific region of the map screen on the touch screen, control the touch screen to display an enlarged image of the specific region of the map screen on the touch screen,

in response to detecting the first touch input with a second touch pressure less than a second reference touch pressure when the first touch input is applied on the region of the window corresponding to the specific region of the map screen on the touch screen, control the touch screen to display a cursor to check the specific region of the map screen applying the first touch pressure, and

in response to detecting the first touch input with a second touch pressure greater than the second reference touch pressure when the first touch input is applied on the region of the window corresponding to the specific region of the map screen on the touch screen, control the touch screen to display relevant information of the specific region of the map screen on the touch screen,

wherein the first reference pressure is less than the second reference pressure.

2. The mobile terminal according to claim 1, wherein one of the first sensing layer or the second sensing layer is a transmit (Tx) layer and the other of the first sensing layer or the second sensing layer is a receive (Rx) layer.

3. The mobile terminal according to claim 1, 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 the mobile terminal further comprises an insulating layer disposed in a region at which the first plurality of sensing lines cross the second plurality of sensing lines.

4. The mobile terminal according to claim 1, wherein the first sensing layer and the second sensing layer are disposed on a same layer.

5. The mobile terminal according to claim 1, wherein the deformation region is a space including a gas and, as the pressure of the touch input increases, the pressure applied to the deformation region increases, and a deformation of the deformation region is formed.

6. An electronic device comprising:

a window;

a display displaying information;

a touch sensing layer sensing touch coordinates;

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

a third sensing layer sensing a change of capacitance in response to deforming the deformation region corresponding to a region of the touch input on the window,

wherein the deformation region is disposed between the touch sensing layer and the third sensing layer, and

wherein the electronic device further comprises;

power;

one or more processors;

a memory; and

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

wherein the one or more programs includes instructions for;

controlling the touch screen to display a map screen on the touch screen,

controlling the touch screen to detect a first touch input on a specific region of the map screen 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 specific region of the map screen on the touch screen,

in response to detecting the first touch input with a first touch pressure less than a first reference touch pressure when the first touch input is applied on the region of the window corresponding to the specific region of the map screen on the touch screen, controlling the touch screen to display an enlarged image of the specific region of the map screen on the touch screen,

in response to detecting the first touch input with a second touch pressure less than a second reference touch pressure when the first touch input is applied on the region of the window corresponding to the specific region of the map screen on the touch screen, controlling the touch screen to display a cursor to check the specific region of the map screen applying the first touch pressure, and

in response to detecting the first touch input with a second touch pressure greater than the second reference touch pressure when the first touch input is applied on the region of the window corresponding to the specific region of the map screen on the touch screen, controlling the touch screen to display relevant information of the specific region of the map screen on the touch screen,

wherein the first reference pressure is less than the second reference pressure.

7. The electronic device according to claim 6, wherein the sensing layer has a first sensing layer and a second sensing layer, and

wherein one of the first sensing layer or the second sensing layer is a transmit (Tx) layer and the other of the first sensing layer or the second sensing layer is a receive (Rx) layer.

8. The electronic device according to claim 7, 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 the electronic device further comprises an insulating layer disposed in a region at which the first plurality of sensing lines cross the second plurality of sensing lines.

9. The electronic device according to claim 7, wherein the first sensing layer and the second sensing layer are disposed on a same layer.

10. The electronic device according to claim 7, wherein the deformation region is a space including a gas and, as the pressure of the touch input increases, the pressure applied to the deformation region increases, and a deformation of the deformation region is formed.