Mobile terminal and method for controlling the same

Patent metadata

Field	Value
Publication number	US-9977539-B2
Application number	US-201615153551-A
Country	US
Kind code	B2
Filing date	May 12, 2016
Priority date	Apr 11, 2014
Publication date	May 22, 2018
Grant date	May 22, 2018

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.

First claim

What is claimed is:

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.

Assignees

• Lg Electronics Inc

Inventors

• Lee Hanbin

Classifications

• G02F1/1368

  in which the switching element is a three-electrode device {(G02F1/136277 takes precedence)} · CPC title

• G06F1/1643

  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 title

• G06F2203/04105

  Pressure sensors for measuring the pressure or force exerted on the touch surface without providing the touch position · CPC title

• G06F3/04883

  for inputting data by handwriting, e.g. gesture or text · CPC title

• G06F3/04847

  Interaction techniques to control parameter settings, e.g. interaction with sliders or dials · CPC title