# US 8,543,166 B2 · Mobile terminal equipped with flexible display and controlling method thereof

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- Number: US 8,543,166 B2
- Document ID: US8543166B2
- Status: Granted
- Kind: B2
- Application number: 12/510,942
- Filed: 2009-07-28
- Published: 2010-03-04
- Granted: 2013-09-24
- Earliest claimed: 2008-09-02
- Assignees: LG Electronics Inc.
- Applicants: Kil Soo Choi; Sang Won Jung; Dae Hyun Baek; Kyung Ju Lee; Byung Ean Bong; Kyung Jin Seo; Kwang Suh Jung; Yeong Seok Kim
- Inventors: Kil Soo Choi; Sang Won Jung; Dae Hyun Baek; Kyung Ju Lee; Byung Ean Bong; Kyung Jin Seo; Kwang Suh Jung; Yeong Seok Kim
- Web page: https://patentgrep.com/patent/US8543166B2

## CPC

- H04M 1/724: User interfaces specially adapted for cordless or mobile telephones
- G06F 1/1601: {Constructional details related to the housing of computer displays, e.g. of CRT monitors, of flat displays (constructional details related to flat displays integrated in a portable computer, e.g. laptop, handheld computer G06F1/1637; constructional details related to television receivers H04N5/64)}
- G06F 1/1615: {with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function (constructional details of portable telephones comprising a plurality of mechanically joined movable body parts H04M1/0206)}
- G06F 1/1626: {with a single-body enclosure integrating a flat display, e.g. Personal Digital Assistants [PDAs]}
- G06F 1/1652: {the display being flexible, e.g. mimicking a sheet of paper, or rollable}
- G06F 1/1684: {Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675}
- G06F 1/1686: {the I/O peripheral being an integrated camera}
- G06F 3/017: {Gesture based interaction, e.g. based on a set of recognized hand gestures (interaction based on gestures traced on a digitiser G06F3/04883)}
- H04M 1/0268: {including a flexible display panel}
- H04M 1/72445: for supporting Internet browser applications
- G09G 2340/0407: Resolution change, inclusive of the use of different resolutions for different screen areas
- G09G 2340/0464: Positioning
- G09G 2380/02: Flexible displays
- H04M 1/2747: Scrolling on a display
- H04M 1/72436: for text messaging, e.g. short messaging services [SMS] or e-mails
- H04M 1/72442: for playing music files
- H04M 2250/10: including a GPS signal receiver
- H04M 2250/12: including a sensor for measuring a physical value, e.g. temperature or motion
- H04M: TELEPHONIC COMMUNICATION (circuits for controlling other apparatus via a telephone cable and not involving telephone switching apparatus G08)
- G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N)
- G09G: ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION (arrangements for transferring data between digital computers and displays G06F3/14; static indicating arrangements comprising an association of a number of separate sources or light control cells G09F9/00; static indicating arrangements comprising integral associations of a number of light sources H01J, H01K, H10H, H05B33/12; scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission, details thereof H04N1/00)

## Abstract

The present invention relates to a mobile terminal equipped with flexible display. The controller changes a screen displayed on the flexible display or controls the operation according to a bent part of the flexible display.

## Claims

### Claim 1

A method of controlling a mobile terminal equipped with a flexible display, the method comprising:
displaying data on a display region of the flexible display;
dividing the display region into a plurality of parts;
detecting that a part of the display region of the flexible display is bent;
selecting one of the divided plurality of parts in response to a location of the bent part;
enlarging a size of an image of the data displayed in the selected part without changing a size of an image of the data displayed in the unselected parts, if a detected bend direction is a first direction; and
reducing a size of an image of the data displayed in the selected part without changing a size of an image of the data displayed in the unselected parts, if the detected bend direction is a second direction opposite to the first direction.

### Claim 2

A mobile terminal, comprising:
a flexible display configured to display data;
a sensing unit configured to determine that a part of a display region of the flexible display is bent; and
a controller configured to
divide the display region into a plurality of parts,
select one of the divided plurality of parts in response to a location of the bent part,
enlarge a size of an image of the data displayed in the selected part without changing a size of an image of the data displayed in the unselected parts, if a detected bend direction is a first direction, and
reduce a size of an image of the data displayed in the selected part without changing a size of an image of the data displayed in the unselected parts, if the detected bend direction is a second direction opposite to the first direction.

### Claim 3

A method of controlling a mobile terminal equipped with a flexible display, the method comprising:
displaying data on a display region of the flexible display, the display region divided into a plurality of divided parts;
detecting a bend in a predetermined portion of the flexible display; and
changing a characteristic of data displayed in one part of the plurality of divided parts without changing a characteristic of data displayed in any remaining parts of the plurality of divided parts in response to the detected bend.

### Claim 4 (depends on 3)

The method of claim 3, wherein the step of changing comprises:
enlarging a size of an image displayed in the one part while not changing a size of an image displayed in the remaining parts of the plurality of divided parts if a bend direction of the detected bend is a first direction; and
reducing the size of the image displayed in the one part while not changing the size of the image displayed in the remaining parts of the plurality of divided parts if the bend direction of the detected bend is a second direction opposite to the first direction.

### Claim 5 (depends on 4)

The method of claim 4,
wherein the step of enlarging a size includes enlarging a font, and
wherein the step of reducing the size includes reducing the font.

### Claim 6 (depends on 3)

The method of claim 3, wherein the step of changing comprises:
increasing a brightness or a contrast of an image displayed in the one part while not changing a brightness or a contrast of an image displayed in the remaining parts of the plurality of divided parts if a bend direction of the detected bend is a first direction; and
decreasing the brightness or the contrast of the image displayed in the one part while not changing the brightness or the contrast of the image displayed in the remaining parts of the plurality of divided parts if the bend direction of the detected bend is a second direction opposite to the first direction.

### Claim 7 (depends on 3)

The method of claim 3, wherein the step of changing comprises:
replacing an image displayed in the one part with a next image while not changing an image displayed in the remaining parts of the plurality of divided parts if a bend direction of the detected bend is a first direction; and
replacing the image displayed in the one part with a previous image while not changing the image displayed in the remaining parts of the plurality of divided parts if the bend direction of the detected bend is a second direction opposite to the first direction.

### Claim 8 (depends on 3)

The method of claim 3, wherein the step of changing comprises:
scrolling an image displayed in the one part in a first direction while not scrolling an image displayed in the remaining parts of the plurality of divided parts if a bend direction of the detected bend is a first direction; and
scrolling the image displayed in the one part in a second direction opposite to the first direction while not scrolling the image displayed in the remaining parts of the plurality of divided parts if the bend direction of the detected bend is a second direction opposite to the first direction.

### Claim 9 (depends on 3)

The method of claim 3, wherein the step of changing comprises:
bookmarking data displayed in the one part while not bookmarking data displayed in the remaining parts of the plurality of divided parts if a bend direction of the detected bend is a first direction; and
removing a bookmark of the displayed in the one part while not removing a bookmark of the data displayed in the remaining parts of the plurality of divided parts if the bend direction of the detected bend is a second direction opposite to the first direction.

### Claim 10

A mobile terminal, comprising:
a flexible display;
a sensing unit configured to determine a bend in a display region of the flexible display; and
a controller operatively connected to the flexible display and the sensing unit, the controller configured to:
display data on the display region of the flexible display, the display region divided into a plurality of divided parts,
detect a bend in a predetermined portion of the flexible display, and
change a characteristic of data displayed in one part of the plurality of divided parts without changing a characteristic of data displayed in any remaining parts of the plurality of divided parts in response to the detected bend.

### Claim 11 (depends on 10)

The mobile terminal of claim 10, wherein the controller is configured to:
enlarge a size of an image displayed in the one part while not changing a size of an image displayed in the remaining parts of the plurality of divided parts if a bend direction of the detected bend is a first direction, and
reduce the size of the image displayed in the one part while not changing the size of the image displayed in the remaining parts of the plurality of divided parts if the bend direction of the detected bend is a second direction opposite to the first direction.

### Claim 12 (depends on 11)

The mobile terminal of claim 11,
enlarge a size of a font displayed in the one part while not changing a size of a font displayed in the remaining parts of the plurality of divided parts if the bend direction of the detected bend is the first direction, and
reduce the size of the font displayed in the one part while not changing the size of the font displayed in the remaining parts of the plurality of divided parts if the bend direction of the detected bend is the second direction opposite to the first direction.

### Claim 13 (depends on 10)

The mobile terminal of claim 10, wherein the controller is configured to:
increase a brightness or a contrast of an image displayed in the one part while not changing a brightness or a contrast of an image displayed in the remaining parts of the plurality of divided parts if a bend direction of the detected bend is a first direction, and
decrease the brightness or the contrast of the image displayed in the one part while not changing the brightness or the contrast of the image displayed in the remaining parts of the plurality of divided parts if the bend direction of the detected bend is a second direction opposite to the first direction.

### Claim 14 (depends on 10)

The mobile terminal of claim 10, wherein the controller is configured to:
replace an image displayed in the one part with a next image while not changing an image displayed in the remaining parts of the plurality of divided parts if a bend direction of the detected bend is a first direction, and
replace the image displayed in the one part with a previous image while not changing the image displayed in the remaining parts of the plurality of divided parts if the bend direction of the detected bend is a second direction opposite to the first direction.

### Claim 15 (depends on 10)

The mobile terminal of claim 10, wherein the controller is configured to:
scroll an image displayed in the one part in a first direction while not scrolling an image displayed in the remaining parts of the plurality of divided parts if a bend direction of the detected bend is a first direction, and
scroll the image displayed in the one part in a second direction opposite to the first direction while not scrolling the image displayed in the remaining parts of the plurality of divided parts if the bend direction of the detected bend is a second direction opposite to the first direction.

### Claim 16 (depends on 10)

The mobile terminal of claim 10, wherein the controller is configured to:
bookmark data displayed in the one part while not bookmarking data displayed in the remaining parts of the plurality of divided parts if a bend direction of the detected bend is a first direction, and
remove a bookmark of the displayed in the one part while not removing a bookmark of the data displayed in the remaining parts of the plurality of divided parts if the bend direction of the detected bend is a second direction opposite to the first direction.

### Claim 17

A method of controlling a mobile terminal equipped with a flexible display, the method comprising:
displaying data on a display region of the flexible display;
selecting a portion of the data via a user input; and
one of
copying the selected portion in response to detecting a first bend of the flexible display; and
pasting the selected portion in response to detecting a second bend of the flexible display,
wherein the second bend is different than the first bend.

### Claim 18 (depends on 17)

The method of claim 17, further comprising:
deleting the selected portion after detecting the first bend of the flexible display.

### Claim 19 (depends on 17)

The method of claim 17,
wherein the first bend is a bend of a predetermined portion of the flexible display in a first direction, and
wherein the second bend is a bend of the predetermined portion of the flexible display in a second direction opposite to the first direction.

### Claim 20 (depends on 17)

The method of claim 17,
wherein the first bend is a bend in a first predetermined portion of the flexible display, and
wherein the second bend is a bend in a second predetermined portion of the flexible display different from the first predetermined portion.

### Claim 21 (depends on 17)

The method of claim 17, wherein the user input is one of a single touch, a multi touch, a swipe and a touch-and-drag.

### Claim 22 (depends on 17)

The method of claim 17, wherein the user input is another bend of the flexible display different from the first bend and the second bend.

### Claim 23 (depends on 22)

The method of claim 22, wherein the step of selecting the portion of the data via the user input comprises scrolling through the displayed data.

### Claim 24

A mobile terminal, comprising:
a flexible display;
a sensing unit configured to determine a bend in a display region of the flexible display; and
a controller operatively connected to the flexible display and the sensing unit, the controller configured to:
display data on a display region of the flexible display,
select a portion of the data via a user input, and
one of
copy the selected portion in response to detecting a first bend of the flexible display, and
paste the selected portion in response to detecting a second bend of the flexible display,
wherein the second bend is different than the first bend.

### Claim 25 (depends on 24)

The mobile terminal of claim 24, wherein the controller is configured to delete the selected portion after detecting the first bend of the flexible display.

### Claim 26 (depends on 24)

The mobile terminal of claim 24,
wherein the first bend is a bend of a predetermined portion of the flexible display in a first direction, and
wherein the second bend is a bend of the predetermined portion of the flexible display in a second direction opposite to the first direction.

### Claim 27 (depends on 24)

The mobile terminal of claim 24,
wherein the first bend is a bend in a first predetermined portion of the flexible display, and
wherein the second bend is a bend in a second predetermined portion of the flexible display different from the first predetermined portion.

### Claim 28 (depends on 24)

The mobile terminal of claim 24, wherein the user input is one of a single touch, a multi touch, a swipe and a touch-and-drag.

### Claim 29 (depends on 24)

The mobile terminal of claim 24, wherein the user input is another bend of the flexible display different from the first bend and the second bend.

### Claim 30 (depends on 29)

The mobile terminal of claim 29, wherein the controller is configured to scroll through the displayed data in response to the user input to select the portion of the data.