Mobile terminal and method for controlling the same

Patent metadata

Field	Value
Publication number	US-10620766-B2
Application number	US-201816110457-A
Country	US
Kind code	B2
Filing date	Aug 23, 2018
Priority date	Jan 26, 2018
Publication date	Apr 14, 2020
Grant date	Apr 14, 2020

Abstract

A mobile terminal including a touch screen including a display panel; and a controller configured to determine surrounding environment information of the mobile terminal by comparing a variation value of touch data sensed on the touch screen with a reference condition set based on a change in the touch data according to a temperature in an atmospheric environment and an underwater environment, set a touch sensing method for sensing a touch input applied to the touch screen to sensing the touch input using a change in capacitance of the touch screen when the surrounding environment information indicates the mobile terminal is operating in the atmospheric environment, and set the touch sensing method for sensing the touch input applied to the touch screen to sensing the touch input using a pressure change applied to the touch screen when the surrounding environment information indicates the mobile terminal is operating in the underwater environment. Further, the display panel includes a color filter glass, a liquid crystal layer, a touch sensor, and a rear glass sequentially layered on the touch screen.

First claim

What is claimed is:

1. A mobile terminal, comprising:
a touch screen including a display panel; and
a controller configured to:
determine surrounding environment information of the mobile terminal by comparing a variation value of touch data sensed on the touch screen with a reference condition set based on a change in the touch data according to a temperature in an atmospheric environment and an underwater environment,
set a touch sensing method for sensing a touch input applied to the touch screen to sensing the touch input using a change in capacitance of the touch screen when the surrounding environment information indicates the mobile terminal is operating in the atmospheric environment, and
set the touch sensing method for sensing the touch input applied to the touch screen to sensing the touch input using a pressure change applied to the touch screen when the surrounding environment information indicates the mobile terminal is operating in the underwater environment,
wherein the display panel includes a color filter glass, a liquid crystal layer, a touch sensor, and a rear glass sequentially layered on the touch screen,
wherein the touch screen comprises a plurality of nodes, and
wherein the controller is further configured to:
measure frame data formed of a set of touch data of the plurality of nodes at preset intervals,
determine whether or not a variation value of the measured frame data satisfies the reference condition, and
determine the mobile terminal is operating in the underwater environment when the number of frame data satisfying the reference condition is above a reference number.

2. The mobile terminal of claim 1 , wherein the reference condition is related to at least one of an average value and a minimum value of difference values of the touch data of the touch screen in the atmospheric environment and the underwater environment.

3. The mobile terminal of claim 1 , wherein the controller is further configured to:
set the reference condition based on an ambient temperature of the touch screen.

4. The mobile terminal of claim 1 , wherein the controller is further configured to:
set the reference condition to a first reference condition when a protective film is attached to the touch screen and set the reference condition to a second reference condition when the protective film is not attached on the touch screen.

5. The mobile terminal of claim 1 , wherein the controller is further configured to:
determine the surrounding environment information at preset intervals.

6. The mobile terminal of claim 1 , wherein the controller is further configured to:
determine whether or not an average value of the variation values of the frame data is above a first threshold value,
extract at least one node satisfying the reference condition associated with a node among a plurality of nodes included in the frame data when the average value of the variation values of the frame data is above the first threshold value, and
determine that the frame data satisfies the reference condition when the extracted at least one node is above a reference number.

7. The mobile terminal of claim 1 , wherein the controller is further configured to:
change a display position of a graphic object on the touch screen to a central region on the touch screen when the surrounding environment indicates the mobile terminal is operating in the underwater environment.

8. The mobile terminal of claim 1 , wherein the controller is further configured to:
display notification information for protecting external input/output terminals of the mobile terminal when the surrounding environment of the touch screen indicates the mobile terminal is operating in the underwater environment.

9. The mobile terminal of claim 1 , wherein the controller is further configured to:
change a brightness of the touch screen when the surrounding environment indicates the mobile terminal is operating in the underwater environment.

10. The mobile terminal of claim 1 , wherein the controller is further configured to:
display notification information notifying the touch sensing method is using the pressure change applied to the touch screen when the surrounding environment of the touch screen indicates the mobile terminal is operating in the underwater environment.

11. The mobile terminal of claim 1 , further comprising:
a camera configured to capture an image,
wherein the controller is further configured to:
control the camera to capture the image when a mechanical button on the mobile terminal is pressed or when a graphical object displayed on the touch screen next to the mechanical button is pressed.

12. A method of controlling a mobile terminal, the method comprising:
determining, via a controller of the mobile terminal, surrounding environment information of the mobile terminal by comparing a variation value of touch data sensed on a touch screen including a display panel of the mobile terminal with a reference condition set based on a change in the touch data according to a temperature in an atmospheric environment and an underwater environment;
setting, via the controller, a touch sensing method for sensing a touch input applied to the touch screen to sensing the touch input using a change in capacitance of the touch screen when the surrounding environment information indicates the mobile terminal is operating in the atmospheric environment; and
setting, via the controller, the touch sensing method for sensing the touch input applied to the touch screen to sensing the touch input using a pressure change applied to the touch screen when the surrounding environment information indicates the mobile terminal is operating in the underwater environment,
wherein the display panel includes a color filter glass, a liquid crystal layer, a touch sensor, and a rear glass sequentially layered on the touch screen,
wherein the touch screen comprises a plurality of nodes, and
wherein the method further comprises:
measuring, via the controller, frame data formed of a set of touch data of the plurality of nodes at preset intervals;
determining, via the controller, whether or not a variation value of the measured frame data satisfies the reference condition; and
determining, via the controller, the mobile terminal is operating in the underwater environment when the number of frame data satisfying the reference condition is above a reference number.

13. The method of claim 12 , wherein the reference condition is related to at least one of an average value and a minimum value of difference values of the touch data of the touch screen in the atmospheric environment and the underwater environment.

14. The method of claim 12 , further comprising:
setting, via the controller, the reference condition based on an ambient temperature of the touch screen.

15. The method of claim 12 , further comprising:
setting, via the controller, the reference condition to a first reference condition when a protective film is attached to the touch screen; and
setting, via the controller, the reference condition to a second reference condition when the protective film is not attached on the touch screen.

16. The method of claim 12 , further comprising:
determining, via the controller, the surrounding environment information at preset intervals.

17. The method of claim 12 , further comprising:
determining, via the controller, whether or not an average value of the variation values of the frame data is above a first threshold value;
extracting, via the controller, at least one node satisfying the reference cond

Assignees

• Lg Electronics Inc

Inventors

• Kim Yongkil
• Jo Sungmin
• Ho Sungmin

Classifications

• G06F3/0414

  using force sensing means to determine a position · CPC title

• G06F1/1656 Primary

  Details related to functional adaptations of the enclosure, e.g. to provide protection against EMI, shock, water, or to host detachable peripherals like a mouse or removable expansions units like PCMCIA cards, or to provide access to internal components for maintenance or to removable storage supports like CDs or DVDs, or to mechanically mount accessories (mounting of accessories to a computer display G06F1/1607; display hoods G06F1/1603; cooling arrangements for portable computers G06F1/203) · CPC title

• G06F3/044 Primary

  by capacitive means · CPC title

• H04M1/0266

  for a display module assembly · CPC title

• G06F3/0416

  Control or interface arrangements specially adapted for digitisers · CPC title