# US 2013/0155032 A1 · Display Apparatus Having Bimetal Element Which Can Be Controllably Bent

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- Number: US 2013/0155032 A1
- Document ID: US20130155032A1
- Status: Published application
- Kind: A1
- Application number: 13/428,638
- Filed: 2012-03-23
- Published: 2013-06-20
- Earliest claimed: 2011-12-20
- Assignees: Samsung Mobile Display Co., Ltd.
- Inventors: Tae-Eun Kim
- Web page: https://patentgrep.com/patent/US20130155032A1

## CPC

- G06F 1/1652: {the display being flexible, e.g. mimicking a sheet of paper, or rollable}
- G02F 1/133305: {Flexible substrates, e.g. plastics, organic film}
- G02F 1/133388: {with constructional differences between the display region and the peripheral region}
- Y02E 10/549: Organic PV cells
- G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N)
- G02F: OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION

## Abstract

A display apparatus includes: a substrate having a display area and anon-display area; a display device formed on the display area; a bending embodiment unit formed on the non-display area and including bimetal elements; and a control unit for controlling bending of each of the bimetal elements so as to improve convenience to the user.

## Claims

### Claim 1

A display apparatus, comprising:
a substrate having a display area and a non-display area;
a display device formed on the display area;
a bending embodiment unit formed on the non-display area and including bimetal elements; and
a control unit for controlling bending of each of the bimetal elements.

### Claim 2 (depends on 1)

The display apparatus of claim 1, wherein the control unit controls a voltage applied to each of the bimetal elements.

### Claim 3 (depends on 1)

The display apparatus of claim 1, wherein the control unit individually controls a voltage applied to each of the bimetal elements.

### Claim 4 (depends on 1)

The display apparatus of claim 1, wherein the bending embodiment unit is disposed facing a first side of the display area and a second side of the display area facing the first side.

### Claim 5 (depends on 4)

The display apparatus of claim 4, wherein the number of bimetal elements of the bending embodiment unit disposed on the first side of the display area is the same as the number of bimetal elements of the bending embodiment unit disposed on the second side of the display area.

### Claim 6 (depends on 4)

The display apparatus of claim 4, wherein the bimetal elements of the bending embodiment unit disposed on the first side of the display area are disposed in correspondence to the bimetal elements of the bending embodiment unit disposed on the second side of the display area.

### Claim 7 (depends on 1)

The display apparatus of claim 1, wherein the control unit is connected to the bimetal elements via a plurality of conductive line elements that are separated from each other.

### Claim 8 (depends on 1)

The display apparatus of claim 1, further comprising a plurality of thin film transistors disposed between the control unit and the bimetal elements.

### Claim 9 (depends on 8)

The display apparatus of claim 8, wherein the thin film transistors are respectively disposed in correspondence to the bimetal elements.

### Claim 10 (depends on 8)

The display apparatus of claim 8, wherein each of the thin film transistors comprises an end that is electrically connected to the control unit via a common interconnection line, an end that is electrically connected to a corresponding bimetal element from among the bimetal elements, and an end that is electrically connected to the control unit via a plurality of conductive line elements which are separated from each other.

### Claim 11 (depends on 10)

The display apparatus of claim 10, wherein the control unit comprises a shape process unit and a conductive line control unit that receives a signal transmitted by the shape process unit; and
wherein the shape process unit is connected to the common interconnection line, and the conductive line control unit is connected to the conductive line elements.

### Claim 12 (depends on 1)

The display apparatus of claim 1, further comprising a driving circuit unit for transmitting a signal to the display device for driving the display device, wherein the control unit is electrically connected to the driving circuit unit.

### Claim 13 (depends on 12)

The display apparatus of claim 12, further comprising an input signal unit that produces a signal required by the driving circuit unit, and transmits the signal to the driving circuit unit.

### Claim 14 (depends on 1)

The display apparatus of claim 1, wherein the substrate comprises a flexible material.

### Claim 15 (depends on 1)

The display apparatus of claim 1, wherein the display device is one of a liquid crystalline device and an organic light-emitting device.