Mobile terminal and method for controlling the same

Patent metadata

Field	Value
Publication number	US-2016259481-A1
Application number	US-201615153551-A
Country	US
Kind code	A1
Filing date	May 12, 2016
Priority date	Apr 11, 2014
Publication date	Sep 8, 2016
Grant date	—

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 force sensitive touch screen device comprising:
a device body including a first region and a second region; a window mounted on the device body and corresponding to the first region and the second region; a display unit disposed below the window corresponding to the first region; a key input unit disposed on the second region; and a touch sensor comprising a first touch sensing layer, a second touch sensing layer, and a force sensing layer, wherein the first touch sensing layer and the second touch sensing layer are disposed between a polarizer layer and a thin film transistor (TFT) layer configured to detect a position of a touch input by sensing a change of capacitance on the first sensing layer and the second sensing layer, wherein the force sensing layer is configured detect a force of the touch input by sensing a change of capacitance on the third sensing layer, and wherein a finger scan sensor is installed in the key input unit.

2 . The force sensitive touch screen device according to claim 1 , wherein one of the first touch sensing layer or the second touch sensing layer is a transmit (Tx) layer and the other of the first touch sensing layer or the second touch sensing layer is a receive (Rx) layer.

3 . The force sensitive touch screen device according to claim 1 , wherein the first touch sensing layer comprises a plurality of first sensing lines and the second touch sensing layer comprises a plurality of second sensing lines.

4 . The force sensitive touch screen device according to claim 3 , further comprising:
an insulating layer disposed in a region at which the first plurality of sensing lines cross the second plurality of sensing lines.

5 . The force sensitive touch screen device according to claim 1 , wherein the first touch sensing layer and the second touch sensing layer are disposed on a same layer.

6 . The force sensitive touch screen device according to claim 1 , further comprising:
a deformation region configured to deform with at least the first region or the second region of the window where the touch input is applied on the window.

7 . The force sensitive touch screen device according to claim 6 , wherein the force sensing layer is configured to detect the force of the touch input according to the deformation region deforming with at least the first region or the second region of the window where the touch input is applied on the window.

8 . The force sensitive touch screen device according to claim 6 , wherein the deformation region is a space.

9 . A force sensitive touch screen device comprising:
a device body including a first region and a second region; a window mounted on the device body and corresponding to the first region and the second region; a display unit disposed below the window corresponding to the first region; a key input unit disposed on the second region; and a touch sensor comprising a first touch sensing layer, a second touch sensing layer, and a force sensing layer, wherein the first touch sensing layer and the second touch sensing layer are disposed between a polarizer layer and a thin film transistor (TFT) layer configured to detect a position of a touch input by sensing a change of capacitance on the first sensing layer and the second sensing layer, wherein an insulating layer is disposed between the first sensing layer and the second sensing layer, wherein the force sensing layer is configured detect a force of the touch input by sensing a change of capacitance on the third sensing layer, and wherein the key input unit is a mechanical key and a finger scan sensor is installed in the key input unit.

10 . The force sensitive touch screen device according to claim 9 , wherein one of the first touch sensing layer or the second touch sensing layer is a transmit (Tx) layer and the other of the first touch sensing layer or the second touch sensing layer is a receive (Rx) layer.

11 . The force sensitive touch screen device according to claim 9 , wherein the first touch sensing layer comprises a plurality of first sensing lines and the second touch sensing layer comprises a plurality of second sensing lines.

12 . The force sensitive touch screen device according to claim 11 , wherein the insulating layer is disposed in a region at which the first plurality of sensing lines cross the second plurality of sensing lines.

13 . The force sensitive touch screen device according to claim 9 , wherein the first touch sensing layer and the second touch sensing layer are disposed on a same layer.

14 . The force sensitive touch screen device according to claim 9 , further comprising:
a deformation region configured to deform with at least the first region or the second region of the window where the touch input is applied on the window.

15 . The force sensitive touch screen device according to claim 14 , wherein the force sensing layer is configured to detect the force of the touch input according to the deformation region deforming with at least the first region or the second region of the window where the touch input is applied on the window.

16 . The force sensitive touch screen device according to claim 14 , wherein the deformation region is a space.

Assignees

• Lg Electronics Inc

Inventors

• Lee Hanbin

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

• G02F1/1368

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

• G06F2203/04806

  Zoom, i.e. interaction techniques or interactors for controlling the zooming operation · CPC title

• H04M1/0266

  for a display module assembly · CPC title

• G02F1/13338

  Input devices, e.g. touch panels · CPC title