DISPLAY DEVICE

• US 20170213488A1
• Filed: 08/16/2016
• Published: 07/27/2017
• Est. Priority Date: 01/26/2016
• Status: Abandoned Application

• Current Assignee: Samsung Display Company Limited (Samsung Electronics Co. Ltd.)
• Original Assignee: Samsung Display Company Limited (Samsung Electronics Co. Ltd.)
• Inventors: LEE, Kyung-Hun, KOO, Ja Hun, KIM, Hak Sun
• Application Number:
  US15/238,476
• Publication Number:
  US 20170213488A1
• Time in Patent Office: Days
• CPC Class Codes: G02B 30/00 Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images in microscopes G02B21/22
• CPC Class Codes: G02F 1/133 Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements arrangements or circuits for control of liquid crystal elements in a matrix, not structurally associated with these elements G09G3/36
• CPC Class Codes: G02F 1/133305 Flexible substrates, e.g. plastics, organic film
• CPC Class Codes: G02F 1/13336 Combining plural substrates to produce large-area displays, e.g. tiled displays
• CPC Class Codes: G02F 1/133394 Piezoelectric elements associated with the cells
• CPC Class Codes: G02F 2203/62 Switchable arrangements whereby the element being usually not switchable
• CPC Class Codes: G06F 1/1652 the display being flexible, e.g. mimicking a sheet of paper, or rollable
• CPC Class Codes: G09G 3/003 to produce spatial visual effects
• CPC Class Codes: G09G 3/035 for flexible display surfaces
• CPC Class Codes: G09G 3/2092 Details of a display terminals using a flat panel, the details relating to the control arrangement of the display terminal and to the interfaces thereto suitable for both CRT and flat panel G09G5/003; specific for a CRT G09G1/165
• CPC Class Codes: H04N 13/393 the volume being generated by a moving, e.g. vibrating or rotating, surface

Abstract

The present disclosure is related to a display device including: a display panel including a display surface displaying an image; and a morphing driver disposed at an opposite side of the display surface of the display panel and physically controlling a height of the display surface in a first direction which is substantially perpendicular to the display surface according to depth information of input image data, wherein the morphing driver comprises at least one among a piezoelectric film, an electroactive polymer, and a magnetic generator.

Claims

1. A display device, comprising:

a display panel comprising a display surface displaying an image; and

a morphing driver disposed at an opposite side of the display surface of the display panel and physically controlling a height of the display surface in a first direction which is substantially perpendicular to the display surface according to depth information of input image data,

wherein the morphing driver comprises at least one among a piezoelectric film, an electroactive polymer, and a magnetic generator.

2. The display device of claim 1, wherein

the morphing driver comprises a plurality of morphing units respectively corresponding to a plurality of portions of the display panel, and

each of the plurality of morphing units controls the height of the display surface according to the depth information.

3. The display device of claim 2, wherein a morphing unit of the plurality of morphing units comprises:

a first driving electrode receiving a depth data voltage corresponding to the depth information; and

a morphing member connected with the first driving electrode and transformed according to the depth data voltage.

4. The display device of claim 3, wherein

the morphing member comprises portions having different degrees of transformation when the depth data voltage is applied to the first driving electrode.

5. The display device of claim 4, wherein

when the depth data voltage is applied to the first driving electrode, a degree of bending of an edge portion of the morphing member is greater than a degree of bending of a middle portion of the morphing member.

6. The display device of claim 4, wherein

when the depth data voltage is applied to the first driving electrode, a degree of bending of a middle portion of the morphing member is greater than a degree of bending of an edge portion of the morphing member.

7. The display device of claim 3, wherein

in an original state in which the depth data voltage is not applied to the first driving electrode, the morphing member extends mainly in a direction perpendicular to the first direction.

8. The display device of claim 3, wherein

in an original state in which the depth data voltage is not applied to the first driving electrode, the morphing member extends mainly in the first direction.

9. The display device of claim 8, wherein

the morphing driver and the display panel are adhered to each other.

10. The display device of claim 3, wherein

the first driving electrode contacts a first surface of the morphing member, and

the one morphing unit further comprises a second driving electrode which contacts and is connected to a second surface opposite to the first surface, and is supplied with a common voltage.

11. The display device of claim 10, wherein

the morphing driver comprises a plurality of data lines transmitting the depth data voltage and a plurality of gate lines transmitting gate signals, and

the morphing unit comprises a switching element which includes an input terminal connected with one of the plurality of data lines, a gate terminal connected with one of the plurality of gate lines, and an output terminal connected with the first driving electrode.

12. The display device of claim 3, wherein,

when the first driving electrode is supplied with the depth data voltage, a length of the morphing member in the first direction varies according to the depth data voltage.

13. The display device of claim 12, wherein,

when the length of the morphing member in the first direction is elongated, a width of the morphing member in a second direction perpendicular to the first direction decreases.

14. The display device of claim 13, wherein

the morphing driver and the display panel are adhered to each other.

15. The display device of claim 13, wherein

a plurality of the morphing members included in at least two adjacent ones of the morphing units are connected with each other.

16. The display device of claim 2, wherein

the magnetic generator generates a magnetic field which has a polarity and an intensity according to the depth information, and

each of the plurality of morphing units comprises the magnetic generator.

17. The display device of claim 16, wherein

the display panel comprises a first magnetic element generating a magnetic field toward the morphing driver.

18. The display device of claim 17, wherein

the magnetic generator comprises a charging element, a resistor, a coil, and a power element, and

the charging element, the resistor, the coil, and the power element together constitute a circuit.

19. The display device of claim 18, wherein

the power element outputs a voltage which is about a half of a chargeable maximum voltage of the charging element.

20. The display device of claim 19, wherein

the morphing driver comprises a plurality of data lines transmitting the depth data voltage, and a plurality of gate lines transmitting a gate signal.

21. The display device of claim 17, further comprising

a second magnetic element opposing the display panel with reference to the morphing driver,

wherein the second element generates a magnetic field toward the display panel.