KR20150146355A - transparent display apparatus, group play system using transparent display apparatus and performance methods thereof - Google Patents

Abstract

Disclosed is a transparent display device. The transparent display device comprises: a first transparent display unit; an interface unit for performing communications with other display device; and a control unit for connecting communications with the other display device and being interlocked with the other display device, when the first transparent display unit overlaps at least a part of the other display device. Accordingly, a user may use various group play functions by using the transparent display device and other display device, thereby improving device utilization and convenience.

Description

TECHNICAL FIELD [0001] The present invention relates to a transparent display device, a group play system using a transparent display device, and a method of performing the same. [0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a group play system using a transparent display device, a transparent display device, and a method of performing the same, and more particularly to a group play system for providing a group play function using a transparent display device and another display device, .

Due to the development of electronic technology, various types of display devices have been used in various fields. Particularly, in recent years, research discussions on a next generation display device including a transparent display have been accelerated.

Transparent display means a device that has transparent properties and the background behind the device is reflected. Conventionally, a display panel is fabricated by using an opaque semiconductor compound such as silicon (Si), gallium arsenide (GaAs), or the like. However, since there is a demand for various display services that can not be realized using existing display panels, Development efforts have been made on new types of electronic devices. One of the developments under this effort is transparent display.

The transparent display is realized in a form including a transparent oxide semiconductor film, so that it has a transparent property. When using a transparent display, the user can see the necessary information on the transparent display screen while viewing the background behind the device. Accordingly, the spatial and temporal constraints of existing display devices can be solved.

However, even a display device including a transparent display is not so different from a conventional display device, except that the display screen is limited in its representation and the back background located at the rear can be seen at the same time.

Also, in a display device including a transparent display, a camera function can be provided by providing a single camera part in view of space limitations. However, this display device does not show a large difference in utilization with a display device including a conventional camera.

Therefore, there is a need to secure various possibilities for transparent display devices for user satisfaction.

It is an object of the present invention to provide a group play system and method for providing a group play function using a transparent display device and another display device.

According to an aspect of the present invention, there is provided a display apparatus including a first transparent display unit, an interface unit for performing communication with another display apparatus, And a control unit for communicating with the other display apparatuses and interlocking with the other display apparatuses when at least a part of the display apparatuses are overlapped with each other.

In addition, when the second transparent display unit of the other display device and the first transparent display unit are overlapped with each other, the control unit may interlock with the other display device so as to provide an interlocking screen through the overlapped area have.

The controller may further include a graphic guide for guiding the area of the overlapping area between the first transparent display part and the second transparent display part to be adjusted stepwise, to the first transparent display part and the second transparent display part, It can display at least one.

When the 3D content is reproduced in a state in which the first transparent display unit and the second transparent display unit are overlapped, the control unit displays the left-eye image of the 3D content in one of the first transparent display unit and the second transparent display unit And a barrier screen corresponding to the 3D content screen may be displayed on the other of the first transparent display unit and the second transparent display unit.

When the contents composed of the foreground image and the background image are reproduced in a state in which the first transparent display unit and the second transparent display unit are overlapped, the control unit controls the user to select one of the first transparent display unit and the second transparent display unit And the background image may be displayed on the other transparent display unit of the first transparent display unit and the second transparent display unit.

The control unit may further include a camera unit, a storage unit for storing a first image taken by the camera unit, an input unit for receiving a shooting command, and an image processing unit. And transmits the image capturing command to the other display device. When the second image captured by the other display device is received through the interface unit, the first image and the second image are combined to generate a content The image processing unit can control the image processing unit.

The control unit may perform at least one of size conversion and color correction of the image so as to correspond to at least one of the first image and the second image to generate a composite image.

The image processing unit may generate 3D content using one of the first image and the second image as a left eye image and using the other of the first image and the second image as a right eye image.

The display device may further include a connection unit for connecting with the other display device.

The control unit may further include a sensing unit for sensing whether the first transparent display unit and the other display device overlap with each other, and when the first transparent display unit and the other display device are detected to overlap with each other, A message inquiring whether or not the display device is interlocked with another display device is displayed on the first transparent display part, and when an interlocking command is inputted, the interfacing device can be interlocked with the other display device through the interface.

According to another aspect of the present invention, there is provided a method of performing a group play of a transparent display device, the method comprising: when a first transparent display unit and another display unit provided in the transparent display unit are overlapped with each other at least partially, And performing a group play function to provide one service in cooperation with the other display device.

In addition, the step of performing the group play function may include a step of, when the second transparent display unit provided in the other display device and the first transparent display unit are overlapped with each other at least partially, And can be interlocked with the display device.

A graphic guide for guiding the stepwise adjustment of the area of the overlapping area between the first transparent display part and the second transparent display part is displayed on at least one of the first transparent display part and the second transparent display part, The method comprising the steps of:

The step of performing the group play function may further include the step of, when the 3D content is reproduced in a state in which the first transparent display unit and the second transparent display unit are overlapped, Displaying a 3D content screen in which a left eye image and a right eye image of the 3D content are combined and displaying a barrier screen corresponding to the 3D content screen on another one of the first transparent display unit and the second transparent display unit . ≪ / RTI >

In addition, the step of performing the group play function may be such that, when the content composed of the foreground image and the background image is reproduced in a state in which the first transparent display unit and the second transparent display unit are overlapped, Displaying the foreground image on a transparent display part arranged in a user direction among the transparent display parts and displaying the background image on the other transparent display part of the first transparent display part and the second transparent display part .

The step of performing the group play function may further include the steps of photographing a subject to obtain a first image and transmitting the photographing command to the other display device when the photographing command is input, 2 image, and generating the content by combining the first image and the second image.

The generating of the content may include performing at least one of size conversion and color correction of the image so as to correspond to at least one of the first image and the second image, .

The generating of the content may include generating 3D content using one of the first image and the second image as a left eye image and using the other of the first image and the second image as a right eye image .

If it is detected that the first transparent display unit and the other display devices are overlapped with each other and the overlapping of the first transparent display unit and the other display devices is detected, Displaying a message asking whether or not to execute the play function on the first transparent display unit, wherein the group play function can be executed when a user acceptance corresponding to the message is input.

Meanwhile, a group play system that provides a group play function in which a plurality of apparatuses according to an embodiment of the present invention cooperate to perform one service, includes a first transparent display apparatus and a first transparent display apparatus And another display device for communicating with the first transparent display device and performing a group play function in cooperation with the first transparent display device.

If the first transparent display device and the second transparent display device are overlapped with each other at least partially, the other display device is provided with an interlocking screen through the overlapped area to perform a group play function have.

When the user command for executing the 3D content playback function is inputted, one of the first transparent display device and the second transparent display device displays the left-eye image and the left-eye image of the 3D content, And the other one of the first transparent display device and the second transparent display device may display a barrier screen corresponding to the 3D content screen.

In addition, the group play function is a playback function for playing back content composed of a foreground image and a background image, and when a user command for executing the playback function is input, Direction may display the foreground image, and the other one of the first and second transparent display devices may display the background image.

When the user command for executing the group photographing function is inputted, the first transparent display device and the other display device can display the subject using the camera provided in each device The first and second images may be captured and the first and second images may be combined to generate one content.

According to another aspect of the present invention, there is provided a transparent display device including: a transparent display unit having flexible characteristics; and a second area of the transparent display unit where the first area is bent and overlapped with the second area, And a control unit for controlling the display operation of the first area and the second area to control the transparent display unit to display the interlocking screen in the overlapping area.

In addition, the control unit may display different screens by separately controlling the third region and the overlapping region that are not overlapped with the first region in the transparent display unit.

The controller may display the 2D image in the third area and display the 3D image in the overlap area of the first area and the second area.

Also, the controller may display a graphic guide on the transparent display unit to guide the area of the overlapped area of the transparent display unit to be adjusted stepwise.

When the 3D content is reproduced in a state in which the first area and the second area are overlapped, the control unit combines the left-eye image and the right-eye image of the 3D content in one of the first area and the second area A 3D content screen may be displayed and a barrier screen corresponding to the 3D content screen may be displayed on the other of the first area and the second area.

In addition, when the content composed of the foreground image and the background image is reproduced while the first area and the second area are overlapped, the control part may display, in the first area and the second area, Display a foreground image, and display the background image in another area of the first area and the second area.

The control unit may further include a sensing unit for sensing whether the first area and the second area overlap with each other, and when the first area and the second area are detected to overlap with each other, A message inquiring whether or not the second area is interlocked is displayed on the transparent display unit and the first area and the second area can be interlocked when an interlocking command is input.

When the transparent display unit is bent a plurality of times so that an overlap region including at least three transparent layers is generated, the control unit divides the three-dimensional image into two-dimensional slice images corresponding to the number of layers of the overlap region, Respectively.

According to various embodiments of the present invention, a user can utilize various group play functions using a transparent display device and another display device. Thus, the device usability and convenience can be increased.

1 is a view for explaining a group play system according to an embodiment of the present invention.
2 is a block diagram showing a configuration of a transparent display device according to an embodiment of the present invention.
3 is a view for explaining various examples of detailed configurations of the first transparent display unit according to an embodiment of the present invention.
4 is a diagram illustrating a method of using a plurality of display devices according to various embodiments of the present invention.
FIG. 5 is a diagram illustrating a method for inquiring whether a transparent display device and another display device according to an embodiment of the present invention are coupled to each other.
6 is a view for explaining a connection unit for connecting a transparent display device and another display device according to various embodiments of the present invention.
7 is a block diagram showing a circuit configuration of a transparent display device including a camera unit according to an embodiment of the present invention.
8 is a view illustrating a method of providing a guide for combining a transparent display device according to various embodiments of the present invention and another display device having a second transparent display part.
9 is a diagram illustrating a method of generating 3D content by combining a transparent display device and another display device according to an embodiment of the present invention and a method of correcting 3D content.
10 is a diagram illustrating a method of displaying 2D contents in a display device having a transparent display device and a second transparent display device according to various embodiments of the present invention.
11 is a diagram illustrating a principle of displaying 3D contents in a display device having a transparent display device and a second transparent display device according to various embodiments of the present invention.
12 is a view illustrating a method of displaying contents composed of a foreground image and a background image in another display apparatus having a transparent display apparatus and a second transparent display unit according to various embodiments of the present invention.
13 is a flowchart illustrating a group play method of a transparent display device according to an embodiment of the present invention.
FIG. 14 is a sequence diagram illustrating a method of performing a group play of a transparent display device and another display device according to an embodiment of the present invention.
15 is a sequence diagram for explaining a group play method of another display apparatus having a transparent display apparatus and a second transparent display unit according to another embodiment of the present invention.
16 is a sequence diagram for explaining a group play method of another display apparatus having a transparent display apparatus and a second transparent display unit according to still another embodiment of the present invention.
17 is a block diagram illustrating a configuration of a transparent display device according to another embodiment of the present invention.
18 is a block diagram showing a configuration of a transparent display device according to another embodiment of the present invention.
19 is a view for explaining a function provided according to bending of the first transparent display unit according to another embodiment of the present invention.
20 is a view illustrating a method of providing a bending guide by dividing a first region, a second region, and a third region of a first transparent display unit according to another embodiment of the present invention.
21 is a view for explaining a case where the first transparent display unit according to another embodiment of the present invention is bent a plurality of times.

Various embodiments of the present invention will now be described in more detail with reference to the accompanying drawings. In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear. The following terms are defined in consideration of the functions of the present invention, and these may be changed according to the intention of the user, the operator, or the like. Therefore, the definition should be based on the contents throughout this specification.

1 is a view for explaining a group play system according to an embodiment of the present invention.

FIG. 1A is a view for explaining a group play system including a transparent display device 100-1 and another display device 100-2 according to an embodiment of the present invention. The group play system refers to a system in which a plurality of independent apparatuses are combined with each other to perform group play. Group play refers to a function in which a plurality of independent devices cooperate with each other to provide a single service.

The user overlaps the transparent display device 100-1 with the other display device 100-2 to connect the communication between the transparent display device 100-1 and the other display device 100-2, Can be used. For example, the transparent display device 100-1 and the other display device 100-2 may include first and second camera units 140-1 and 140-2, respectively. The transparent display device 100-1 and the other display device 100-2 can simultaneously photograph using the first and second camera parts 140-1 and 140-2 and generate 3D contents therefrom .

1B illustrates a group play system including another display device 100-2 having a transparent display device 100-1 and a second transparent display device 110-2 according to another embodiment of the present invention FIG. That is, FIG. 1B is a diagram for explaining a case where the other display device 100-2 is a transparent display device in particular.

The group play system including the plurality of transparent display devices 100-1 and 100-2 may provide additional functions in addition to the camera functions described above. For example, when a user command for executing a 3D content playback function is inputted, one of the two devices displays a 3D content screen in which a left eye image and a right eye image of 3D content are combined, Can be displayed.

When a user command for executing the playback function of the content composed of the foreground image and the background image is inputted, the device arranged in the user direction among the two devices displays the foreground image, and the other device of the two devices displays the background image A playback function for playing back content composed of a foreground image and a background image to be displayed may be supported.

The user can check the surrounding objects through the overlapped transparent display device 100-1 and the transparent display parts 110-1 and 110-2 of the other display device 100-2. In addition, since the overlapped transparent display device 100-1 and the other display device 100-2 are different from each other in display layers, the user can easily select the overlapped first and second transparent display parts 110-1 and 110-2 You can feel the perspective through it, and you can feel the natural sense of depth. Accordingly, it is possible to display 3D contents or display contents composed of foreground images and background images.

Each of the devices according to Figs. 1A and 1B can be coupled to each other by various coupling methods. For example, a plurality of display devices may be coupled by fastening structures, magnetic bodies, etc., such as connection rings, concavo-convex structures, and the like. Alternatively, a user may use a plurality of display devices by attaching them using his / her hand or other accessory structure (band, tape, device case, etc.). The binding method will be described later in detail in the specification.

Meanwhile, in FIGS. 1A and 1B, both the transparent display device 100-1 and the other display device 100-2 can be disposed in front of the user. Hereinafter, for convenience of explanation, it is assumed that the transparent display device 100-1 is disposed in front of the user.

2 is a block diagram showing a configuration of a transparent display device 100-1 according to an embodiment of the present invention. The transparent display device 100-1 of FIG. 2 may be included in the group play system of FIG.

2, the transparent display device 100-1 includes a transparent display unit 110-1, a control unit 120, and an interface unit 130. As shown in FIG. The interface unit 130 is a component for performing communication with the other display device 100-2. Hereinafter, the transparent display unit 110-1 will be referred to as a first transparent display unit 110-1 in order to distinguish the second display unit 100-2 from the second transparent display unit 110-2.

The first transparent display unit 110-1 refers to a display unit having a transparent property. The user can view the background background of the first transparent display unit 110-1 through the first transparent display unit 110-1. The first transparent display unit 110-1 may be configured as an OLED, and the detailed structure of the first transparent display unit 110-1 will be described later in detail.

The control unit 120 may control the transparent display device 100-1 to provide various group play functions to the user.

Specifically, when the first transparent display unit 110-1 and the other display device 100-2 are overlapped with each other at least in part, the control unit 120 connects the communication with the other display device 100-2, And can be interlocked with the other display device 100-2.

If at least a part of the second transparent display part 110-2 and the first transparent display part 110-1 provided in the other display device 100-2 are overlapped with each other, an interlocking screen is provided through the overlapped area The other display device 100-2 can be interlocked.

When the 3D content is reproduced in a state where the first transparent display unit 110-1 and the second transparent display unit 110-2 are overlapped, the controller 120 controls the first transparent display unit 110-1 and the second transparent display unit 110-2, A 3D content screen in which a left eye image and a right eye image of 3D contents are combined is displayed on one of the second transparent display units 110-2 and the first transparent display unit 110-1 and the second transparent display unit 110- 2 to display a barrier screen corresponding to the 3D content screen.

When the content composed of the foreground image and the background image is reproduced in a state where the first transparent display unit 110-1 and the second transparent display unit 110-2 are overlapped with each other, It is possible to control to display the foreground image on the first transparent display unit 110-1 and display the background image on the second transparent display unit 110-2, but this is merely an example, The first transparent display unit 110-1 may be controlled to display a background image, and the second transparent display unit 110-2 may be controlled to display a foreground image.

If the first transparent display unit 110-1 and the second transparent display unit 110-2 are overlapped with each other at least partially, (100-2). At this time, the interface unit 130 may be configured to be wired and wirelessly connected. And the communication unit 150 may include various communication chips such as a Wi-Fi chip 151, a Bluetooth chip 152, an NFC chip, a wireless communication chip 153, and the like.

FIG. 3 is a view for explaining various examples of detailed configurations of the first transparent display unit 110-1 according to an embodiment of the present invention. The second transparent display unit 110-2 may be the same as the first transparent display unit 110-1.

According to an embodiment of the present invention shown in FIG. 3, the first transparent display unit 110-1 may be implemented as a transparent OLED type, and is a diagram showing an example of the configuration thereof.

First, the first transparent display part 110-1 includes a transparent substrate 111-1, a transparent transistor layer 112-1, a first transparent electrode 113-1, a transparent organic light- layer 114-1, a second transparent electrode 115-1, and a connection electrode 116-1. Hereinafter, the detailed configuration and operation of the first transparent display unit 110-1 will be described in detail.

The transparent substrate 111-1 may be made of a polymer material such as plastic having transparency or glass. The material of the transparent substrate 111-1 can be determined based on the use environment to which the first transparent display portion 110-1 is applied. For example, polymeric materials have the advantage of being light and flexible and can be used in portable display devices, and glass can be used in show windows or window windows of stores.

The transparent transistor layer 112-1 is a layer including a transistor formed by replacing opaque silicon of a conventional thin film transistor with a transparent material such as transparent zinc oxide, titanium oxide, or the like. A source electrode, a gate electrode, a drain electrode, and various dielectric films 117-1 and 118-1 are provided in the transparent transistor layer 112-1. A connection electrode (not shown) for electrically connecting the drain and the first transparent electrode 113-1 116-1 may also be provided. In FIG. 3, only one transparent transistor made of a source, a gate, and a drain is shown in the transparent transistor layer 112-1, but actually, a plurality of transparent transistors are evenly distributed over the entire area of the display surface.

The control unit 120 applies the above-described image source signal to the source, gate, drain, etc. of each transistor in the transparent transistor layer 112-1, scans the cell in which the specific transparent transistor is disposed, And various screens can be displayed. Specifically, the first transparent electrode 113-1 and the second transparent electrode 115-1 are disposed in opposite directions to each other with respect to the transparent organic light emitting layer 114-1. The first transparent electrode, the transparent organic light emitting layer, and the second transparent electrodes 113-1, 114-1, and 115-1 form organic light-emitting diodes.

Transparent organic light emitting diodes are classified into Passive Matrix OLED and Active Matrix OLED depending on the driving method. The PMOLED is a structure in which pixels intersect each other at the intersection of the first and second transparent electrodes 113-1 and 115-1. On the other hand, AMOLED is a structure having a thin film transistor (TFT) driving each pixel. The active type is shown in Fig.

The first transparent electrode 113-1 and the second transparent electrode 115-1 each include a plurality of line electrodes, and the alignment directions of the line electrodes are perpendicular to each other. For example, if the line electrodes of the first transparent electrode 113-1 are arranged in the horizontal direction, the line electrodes of the second transparent electrode 115-1 are arranged in the vertical direction. Accordingly, a plurality of intersecting regions are formed between the first transparent electrode 113-1 and the second transparent electrode 115-1. A transparent transistor is connected to each crossing region as shown in FIG.

The controller 120 uses a transparent transistor to form a potential difference for each crossing region. Electrons and holes are injected from the respective electrodes into the transparent organic light emitting layer 114-1 in the cross region where the potential difference is formed, and light is emitted while being coupled. On the other hand, the intersection area where the potential difference is not formed does not emit light, so that the background of the background is transparently displayed.

ITO (indium tin oxide) may be used for the first and second transparent electrodes 113-1 and 115-1. Alternatively, a new material such as graphene may be used. Graphene refers to a substance with a transparent nature that forms a honeycomb-like planar structure of carbon atoms. In addition, the transparent organic light emitting layer 114-1 may be formed of various materials.

4 is a diagram illustrating a method of using a plurality of display devices according to various embodiments of the present invention.

According to an embodiment of the present invention shown in FIG. 4A, the transparent display device 100-1 and the other display device 100-2 may not include a camera part. In this case, the group play function utilizing the camera unit is not provided. The provided group play function may be a function of displaying a 3D content display function or a content composed of a foreground image and a background image.

When the transparent display device 100-1 and the other display device 100-2 are connected to each other to communicate with each other, the transparent display device 100-1 and the other display device 100-2 may be interlocked However, this is merely an embodiment, and only one device may be interlocked to have control authority. Specifically, the transparent display device 100-1 may control the other display device 100-2 to transmit and display the 3D content information. Or the other display device 100-2 may control the transparent display device 100-1. Hereinafter, it is assumed that the transparent display device 100-1 controls the other display device 100-2.

According to another embodiment of the present invention shown in FIG. 4B, the transparent display device 100-1 and the other display device 100-2 include first and second camera parts 140-1 and 140-2, respectively. . In this case, in addition to the group play function provided in FIG. 4A, the transparent display device 100-1 and the other display device 100-2 can display the group using the first and second camera parts 140-1 and 140-2 Play function can be provided. Specifically, the group play function utilizing the first and second camera units 140-1 and 140-2 is a function of capturing a subject by controlling the first camera unit 140-1 when a shooting command is input When a second image captured by the other display device 100-2 is received through the interface unit 130 by transmitting a photographing command to the display device 100-2, the first image and the second image are combined to transmit the content Lt; / RTI > It may be a function of displaying 3D contents or a function of displaying contents composed of foreground images and background images.

At this time, when content is generated, a function of generating a composite image by performing at least one of image size conversion and color correction so as to correspond to at least one of the first image and the second image may be further applied. Details of this will be described later.

The transparent display device 100-1 and the other display device 100-2 may be disposed so that the first and second camera parts 140-1 and 140-2 overlap each other. However, the first camera part 140 -1) and the second camera unit 140-2 may not be overlapped with each other. Details of this will be described later.

FIG. 5 is a diagram illustrating a method of inquiring whether a transparent display device 100-1 and another display device 100-2 are coupled to each other according to an embodiment of the present invention.

According to an embodiment of the present invention shown in FIG. 5, when the transparent display device 100-1 and the other display device 100-2 are overlapped by the user, A message 510 inquiring whether or not it is interlocked with the mobile terminal 100-2 can be displayed. At this time, the device name of the other display device 100-2 may be displayed on the transparent display part 110-1, but this is only an example, and the name of the device set by the user, The name may be displayed. A touch menu may be provided below the message 510 inquiring whether or not to be interlocked so that the user can perform an interlock command.

On the other hand, the transparent display device 100-1 can detect the overlap with the other display device 100-2, and when it detects the message, communicates with the other display device 100-2, However, this is merely an embodiment, and a message inquiring whether or not an interlocking operation is performed may not be displayed, and interlocking may be performed as soon as overlapping is sensed.

When the user inputs an interlock command after the transparent display device 100-1 and the other display device 100-2 are overlapped, the interlocking approval message 520 may be displayed on the transparent display part 110-1 .

At this time, the device name of the other display device 100-2 interlocked with the transparent display device 100-1 can be displayed on the first transparent display device 110-1, but this is only an embodiment, The name of a device or the name of the device set by the manufacturer at the time of manufacture may be displayed.

6 is a view for explaining a connection unit connecting the transparent display device 100-1 and the other display device 100-2 according to various embodiments of the present invention.

6A, the transparent display device 100-1 includes a hook cap (not shown) on one side of the device so that the transparent display device 100-1 overlaps with the other display device 100-2 600 may be formed. The hook cap 600 formed on the transparent display device 100-1 can be connected to the other display device 100-2 and the other display device 100-2 The hook cap 610 may be connected to the hook cap 610. However, this is merely an embodiment, and the hook cap may be attached to only one of the plurality of display devices.

According to another embodiment of the present invention according to FIG. 6B, the transparent display device 100-1 and the other display device 100-2 may be connected by the bumper case 620. FIG. The bumper case 620 may cover only the rim portion of the transparent display device 100-1. Further, the material may be a stretchable material such as rubber or silicone.

The bumper case 620 may surround only the transparent display device 100-1 during normal operation. In the case of connecting with the other display device 100-2, the folded portion may be stretched and covered with another device, but this is only an embodiment, and in some cases, it may be extended to cover other devices .

Although FIGS. 6A and 6B illustrate the case where the camera units 140-1 and 140-2 are present, the same can be applied to the case where the camera units 140-1 and 140-2 are not provided.

The transparent display device 100-1 and the other display device 100-2 are connected to each other through the interface unit 130. The interface unit 130 is connected to the hook cap or the bumper case ≪ / RTI >

The above description relates to the fact that the transparent display device 100-1 and the other display device 100-2 are connected to each other and the two devices 100-1 and 100-2 are interlocked. Hereinafter, various group play functions provided to the user after interworking will be described. The group play function may include a 3D content creation function through simultaneous shooting, a 3D content display function, and a display function of a content composed of a foreground image and a background image. First, a 3D content creation function through simultaneous shooting is described.

7 is a block diagram showing a circuit configuration of a transparent display device 100-1 including a camera unit 140-1 according to an embodiment of the present invention.

7, the transparent display device 100-1 including the camera unit 140-1 includes a lens 111, a solid-state image sensor 112, a TG (Timing Generator) 114, an AFE An image processing unit 170, a communication unit 150, a control unit 120, a first transparent display unit 110-1, a second transparent display unit 110-1, An SDRAM module 117, a memory card 118, and a USB module 116.

The lens 111 includes a short focal lens in which light reflected by a subject is incident, and although not shown in the drawing, the transparent display device 100-1 may further include a diaphragm (not shown) have.

The iris passes through the lens 111 and adjusts the amount of light incident on the image sensor. The iris has a mechanical structure capable of gradually increasing or decreasing the size of the opening so as to adjust the amount of incident light. Such an iris is an aperture value called an F number, and indicates the degree of opening. The smaller the aperture value is, the wider the opening size becomes, so that the amount of incident light is increased and a bright image can be generated.

The solid-state image sensor 112 has a configuration in which an image of an object passed through the lens 111 is imaged. The solid-state image pickup device 112 includes a plurality of pixels arranged in a matrix form. Each of the plurality of pixels accumulates light charges corresponding to the incident light, and outputs an image due to the photoelectric charge as an electric signal. The solid-state image pickup device 112 may be composed of a complementary metal oxide semiconductor (CMOS) or a charge coupled device (CCD).

The solid-state image pickup device 112 is a photodiode (PD). A transfer transistor TX, a reset transistor RX, and a floating diffusion node FD. The photodiode PD generates and accumulates photo charges corresponding to the optical image of the subject. The transfer transistor TX transmits the photocharge generated in the photodiode PD to the floating diffusion node FD in response to the transfer signal. The reset transistor discharges the charge stored in the floating diffusion node FD in response to the reset signal. Before the reset signal is applied, the charges stored in the floating diffusion node FD are output. In the case of the CDS image sensor, CDS (Correlated Double Sampling) processing is performed. Then, the ADC converts the analog signal subjected to CDS processing into a digital signal.

The TG (Timing Generator) 114 outputs a timing signal for reading out the pixel data of the solid-state image pickup device 112. The TG 114 is controlled by the control unit 120.

An AFE (Analog Front End) 113 samples and digitizes an electric signal on a subject output from the solid-state image pickup device 112. [ The AFE (Analog Front End) 113 is controlled by the control unit 120.

However, the AFE 113 and the TG 114 may be replaced by other structures as described above. In particular, when the solid-state image pickup device 112 is implemented in a CMOS type, such a configuration may be unnecessary.

The motor driver 115 drives the focusing lens based on the information calculated by reading out the phase difference pixel to focus the image. However, when the transparent display device 100-1 is implemented as a smart phone or a cellular phone, the lens for focusing may be software-processed without being driven, and the motor driver 115 may not be provided.

The image processing unit 170 performs image processing on the raw image data RAW IMAGE DATA under the control of the control unit 120 and writes the raw image data into the SDRAM 117. Then, the image-processed data of the SDRAM 117 is transferred to the first transparent display unit 110-1.

In the case of performing autofocusing using a phase difference, the image processing unit 170 generates a signal (a signal led out from a general pixel) for generating an image among the signals output from the solid-state image sensor 112 and sampled by the AFE 113 And separates the signal for calculating the phase difference (the signal read out from the phase difference pixel).

The image processing unit 170 processes the row image data and generates YCbCr data. First, in the row image data, a pixel defect is corrected by a correction circuit (not shown). The correction circuit refers to the correction table to correct the pixel defect, and the correction table registers the address of the defective pixel. And performs correction from surrounding pixels with respect to the pixel coincident with this address.

The image processing unit 170 includes an OB clamp circuit (not shown) for determining the black level of the image. The solid-state image pickup device 112 has an OB (Optical Black) region, detects a signal average value of the OB region, and determines a black level through a difference between pixel values.

In addition, the image processing unit 170 performs different sensitivity ratio adjustment for each color using a sensitivity ratio adjusting circuit (not shown). The sensitivity ratio adjustment circuit adjusts the sensitivity of R, G, and B colors under a standard light source. Normally, the gain value of G is fixed to 1 and the sensitivity of R and B is adjusted accordingly.

When a still image is output, the image data is output through the output buffer after adjusting the sensitivity ratio. In this case, since the image is generated by the interlace method, the post-processing can not be performed immediately. On the other hand, when the live view image is outputted, the image is generated in a progressive manner, Do.

In addition, the image processing unit 170 performs skip lead-out using a horizontal skip lead-out circuit (not shown) to read out some pixel lines and skip the remaining pixel lines, thereby reducing the number of pixels of the row image.

The image processor 170 adjusts white balance (WB) for image data using a WB adjustment circuit (not shown). Since the spectral distribution of the illumination light differs depending on the shooting environment, white objects may not be displayed whitish. Different gain values are assigned to the R, G, and B pixels to adjust the signal level.

In addition, the image processing unit 170 performs gamma correction on the image data. The gradation conversion corresponding to the output of the first transparent display unit 110-1 is performed through the gamma correction.

In addition, the image processing unit 170 generates a normal color image signal composed of three colors per pixel in a Bayer signal of one color per pixel using a color interpolation circuit (not shown).

Further, a color conversion / color correction circuit (not shown) is used to perform color space conversion corresponding to the output, and color correction is performed. A look up table (LUT) can be used as needed. After color conversion / color correction, the image data becomes YCbCr data.

The image processing unit 170 converts the resolution using a resolution conversion circuit (not shown) to adjust the size.

The image processing unit 170 processes a spatial filter for image data using a spatial filter circuit (not shown). Edge enhancement of the Y signal is performed, and LPF (Low Pass Filter) processing of the Cb / CR signal is performed.

In addition, the image processing unit 170 skips the Cb / Cr signal using the CbCr skip lead-out circuit (not shown) and converts it into image data of YCbCr4: 2: 2. The image data is output through the output buffer and written to the SDRAM 117 via the bus.

In the case of still images, lead-out can be performed in an interlaced manner, in which case the direct color interpolation can not be processed because there are no adjacent pixel lines. Therefore, after the preprocessing is completed, the pixel line order is adjusted to the SDRAM 117 through the output buffer and stored in a progressive form.

However, the embodiment of the present invention is not limited to the interlace method in the case of still images, and may be implemented to lead out in a progressive manner.

On the other hand, in the case of a still image, it is necessary to generate a preview image or a thumbnail image which is displayed little after the shooting. This is done by omitting some pixel data, such as a skip lead-out.

The image processing unit 170 interpolates the phase difference pixel portion into a general pixel value using an AF signal interpolation circuit (not shown). Since the phase difference pixels are located between normal pixels, resolution degradation may occur and interpolation is performed using surrounding pixels.

The image processing unit 170 may display a plurality of images obtained through the transparent display device 100-1 and the other display device 100-2 under the control of the control unit 120 based on the process of the image processing unit 170 described above. The attributes of the remaining images can be adjusted equally based on the attributes of one of the images.

On the other hand, the signal of the phase difference pixel separated in the separation circuit (not shown) is once written to the SDRAM 117 through the first bus. Since the readout is made for all of the plurality of pixels and the separation is made, the respective phase difference pixel signals are accumulated in the SDRAM 117 for a short period of time.

The stored phase difference pixel signals are input to a phase difference calculation circuit (not shown) through a first bus. The phase difference calculation circuit calculates the phase difference between the phase difference pixels and calculates the movement direction and the movement amount of the focus lens. The calculated movement amount is temporarily stored in a register in the phase difference calculation circuit, and is read out by the control unit (120).

The control unit 120 reads the calculated amount of movement of the focus lens, and generates a control command. And transmits the generated control command to the motor driver 115 to drive the focus lens.

The JPEG codec compresses YCbCr data. Then, the compressed image data is recorded in the SDRAM 117. The control unit 120 reads the compressed image data recorded in the SDRAM 117 and writes the read compressed image data to the memory card 118, thereby completing the image generation procedure.

The communication unit 150 is a configuration for performing communication with another device. The communication unit 150 may be implemented by various wireless communication technologies. The communication unit 150 may include a short-range communication module that performs direct communication without an inter-device relay device.

The coupling portion 119 can be used to be fixed in combination with another device, and can also perform wired communication through the coupling portion 119. [ The case where it is used in combination with another apparatus will be described later.

The communication unit 150 includes at least one of a WIFI DIRECT communication module, a Bluetooth module, an IrDA (infrared data association) module, a NFC (Near Field Communication) module, and a Zigbee module .

But does not preclude the application of other communication technology means. For example, any one of a cellular communication module, a 3G (third generation) mobile communication module, a 4G (fourth generation) mobile communication module, and a fourth generation LTE (Long Term Evolution) communication module.

The USB module 116 provides an interface with an external device. When the USB module 116 is connected to a PC or other external device via a USB cable, the USB module 116 processes transmission and reception of image data. It also handles firmware transmission and reception for performing firmware upgrade.

The input unit 190 is a configuration for receiving a user input. The input unit 190 may include at least one button. In addition, the input unit 190 may include a touch screen located in the first transparent display unit 110-1.

In addition to the shooting command or the image capturing command, the input unit 190 may receive a user command for adjusting the magnification of the photographed image.

The photographic magnification adjustment command may be a user command for pressing a button included in the transparent display device 100-1. For example, when the input unit 190 includes the up button and the down button, the live view image can be enlarged when a user command to press the up button is input while the live view is displayed.

Also, the input unit 190 may be implemented as a touch screen, and may receive a user command for adjusting the magnification of the photographed image through the first transparent display unit 110-1.

SDRAM (Synchronous Dynamic RAM 117) is used for storing images or for image processing by a CPU. In an embodiment of the present invention, a DDR SDRAM can be used that can output twice at the rising edge and output at twice as much as the output at both the rising and falling edges of the system clock.

The memory card 118 may include a flash memory and may be implemented as a removable card in the transparent display device 100-1. Then, the memory card 118 can store the photographed image file.

In the above embodiments, the transparent display device 100-1 and the other display device 100-2 are fixedly installed at predetermined positions in the camera parts 140-1 and 140-2, , The transparent display device 100-1 and the other display device 100-2 may be arranged by adjusting the overlapped area in a stepwise manner.

Hereinafter, a description will be given of a group play function that can be provided to the user by the transparent display device 100-1 and the other display device 100-2 including the camera units 140-1 and 140-2 described above. do.

8 is a view illustrating a method of providing a guide for coupling the other display device 100-2 having the transparent display device 100-1 and the second transparent display part 110-2 according to various embodiments of the present invention Fig.

3D contents can be generated when photographing using the first and second camera units 140-1 and 140-2, but the distance between the first and second camera units 140-1 and 140-2 The stereoscopic effect of the 3D content may be felt differently according to the user's preference, and the transparent display device 100-1 and the other display device 100-2 may have a function of giving guidance to the user. In particular, there is a need to provide a user with a specific message or a guide for combining the transparent display device 100-1 and the other display device 100-2.

According to an embodiment of the present invention according to FIG. 8A, the transparent display device 100-1 may be disposed so as to completely overlap with the other display device 100-2. In this case, the first camera unit 140-1 of the transparent display device 100-1 may be covered by the second camera unit 140-2 of the other display device 110-2, 110-2 of the second transparent display unit 110-2.

According to another embodiment of the present invention according to Figs. 8B and 8C, the transparent display device 100-1 may be arranged so that only a part thereof overlaps with the other display device 100-2. The first camera unit 140-1 of the transparent display device 100-1 can be photographed without overlapping with the other display device 100-2, (110-2).

8A to 8C, a message may be displayed to the user on the display unit of any one of the transparent display device 100-1 and the other display device 100-2. For example, in the case of FIG. 8A, the first camera unit 140-1 is disposed so as to completely overlap, and when the first camera unit 140-1 is covered with the second camera unit 140-2, , And if the first camera unit 140-1 is not covered by the second camera unit 140-2, a message may be displayed that the color may be distorted by shooting through the other display unit 110-2.

According to one embodiment of the present invention shown in FIG. 8D, the control unit 120 may include a graphic guide for guiding the area of the overlapping area to be stepwise adjusted to the first transparent display unit 110-1 and the second transparent display unit And 110-2. At this time, the graphic guide may be such that the interval between the first and second camera units 140-1 and 140-2 is equal to the distance between two eyes of a person, but it is only one embodiment, You may. As the size of the overlapped area is smaller, the 3D effect can be improved when 3D contents are generated. As the size of the overlapped area is larger, the 3D effect can be reduced when 3D contents are generated. Such a function can increase user convenience and satisfaction.

FIG. 9 is a diagram illustrating a method of generating 3D content by combining a transparent display device 100-1 and another display device 100-2 according to an embodiment of the present invention and a method of correcting the 3D content.

9, the transparent display device 100-1 and the other display device 100-2 include first and second camera units 140-1 and 140-2 having the same angle of view, 2), but this is merely an example and the angle of view may not be the same. Hereinafter, the case where the view angles are the same will be described.

The transparent display device 100-1 and the other display device 100-2 are overlapped and interlocked with each other. At this time, the transparent display device 100-1 is disposed further to the left than the other display device 100-2 so that the image 810 by the first camera unit 140-1 is displayed on the right side of the building 800, May be in a deployed state. In addition, the other display device 100-2 may be placed on the left side in the image in the photographed image 820, which is disposed to the right of the transparent display device 100-1.

The transparent display device 100-1 controls the first camera unit 140-1 to shoot the building 800 when a user inputs a photographing instruction by controlling the other display device 100-2, It is possible to transmit a photographing command to the other display device 100-2. In this case, the transparent display device 100-1 and the other display device 100-2 may be simultaneously photographed, but this is merely an example, and the first camera part 140-1 The second camera unit 140-2 may take a picture.

The control unit 120 of the transparent display device 100-1 receives the second image photographed by the other display device 100-2 through the interface unit 130 and outputs the combination of the first image and the second image And control the image processing unit 170 to generate the content. At this time, the generated content may be 3D content, or may be a content composed of a foreground image and a background image.

When the generated content is 3D content, the controller 120 of the transparent display device 100-1 transmits the focus of the first camera unit 140-1 to the second camera unit 140-2 of the other display device 100-2 -2). The control unit 120 of the transparent display device 100-1 controls the focus of the first camera unit 140-1 and the focus of the second camera unit 140-1 of the other display device 100-2, The first camera unit 140-1 of the transparent display device 100-1 may focus on the foreground and the second camera 140- 2 may be controlled so as to be set in the background.

In addition, it is possible to create multi-layer contents by overlapping not only the transparent display device 100-1 and the other display device 100-2 but also a plurality of transparent display devices (not shown). However, the following description is limited to the case of using only the transparent display device 100-1 and the other display device 100-2.

According to an embodiment of the present invention shown in FIG. 9, there is a time difference between the first and second camera units 140-1 and 140-2 by the thickness of the transparent display device 100-1. Specifically, according to FIG. 9, the second camera unit 140-2 is located closer to the building than the first camera unit 140-1. 9, the first camera unit 140-1 is arranged so as not to overlap with the other display device 100-2. However, according to another embodiment of the present invention, 2 transparent display unit 100-1 and the other display unit 100-2 are completely overlapped (not shown), the first camera unit 140-1 And may be photographed through the second transparent display unit 110-2.

The size of the photographed subject can be expressed differently according to the viewpoint difference of the camera unit. When the other display device 100-2 includes the second transparent display part 110-2 and the transparent display device 100-1 and the other display device 100-2 are completely overlapped, When shooting through the transparent display unit of the apparatus or when there is a difference in the position of the camera unit (for example, when one camera unit is placed at sunlight and another camera unit is placed at a shady place) It is possible.

The transparent display device 100-1 can receive the second image from the other display device 100-2 and compare it with the first image captured by the first camera 140-1 based on the capture command. At this time, the first image may be temporarily stored in the SDRAM 117 as an image taken by the first camera unit 140-1 of the transparent display device 100-1, and may be stored in the storage unit 155 There may be.

The control unit 120 of the transparent display device 100-1 may control the image processing unit 170 to compare the first and second images and correct the difference. As shown in FIG. 9, in the image 820 taken by the other display device 100-2, the building 800 as the subject is displayed on the building 800 in the image 810 photographed by the transparent display device 100-1. And the image processing unit 170 may convert a portion of the image 810 to correspond to the image 820 photographed by the other display device 100-2 by cutting out a portion of the image 810. [

When the other display device 100-2 includes the second transparent display part 110-2 and the transparent display device 100-1 and the other display device 100-2 are completely overlapped, The control unit 120 compares the overall color of the image with the color of the image and then performs the color correction to the image processing unit 170 Can be controlled.

The plurality of corrected images may be generated as 3D content, or may be generated as content composed of a foreground image and a background image, and the generated content is stored in the storage unit 155. For example, the image processing unit 170 may generate 3D content using one of the first image and the second image as a left eye image and using the other of the first image and the second image as a right eye image.

10 illustrates a method of displaying 2D contents in another display device 100-2 having a transparent display device 100-1 and a second transparent display part 110-2 according to various embodiments of the present invention. Fig.

According to an embodiment of the present invention shown in FIG. 10A, there may be two images taken by the first and second camera units 140-1 and 140-2 with respect to the building 800, which is the subject of FIG. And may be displayed on one of the first and second transparent display units 110-1 and 110-2 and may be displayed on the first transparent display unit 110-1 when the second transparent display unit 110-2 ) Can display black to increase visibility.

10A shows a first image captured by the first camera unit 140-1. However, this is only an example, and the first image captured by the second camera unit 140-2, as shown in FIG. 10B, And may display the second image. Which image is to be displayed may be determined to be the default setting or may be determined by the user's instruction at the time of display.

11 illustrates a principle of displaying 3D contents in another display device 100-2 having a transparent display device 100-1 and a second transparent display part 110-2 according to various embodiments of the present invention. Fig.

According to an embodiment of the present invention shown in FIG. 11A, 3D content is displayed on a display device 100-2 using another display device 100-2 including a transparent display device 100-1 and a second transparent display device 110-2. can do. The 3D contents may be stored in the storage unit 155 or may be the contents photographed using the first and second camera units 140-1 and 140-2.

11A, when a playback command for 3D content is inputted, the controller 120 displays the left-eye image and the left-eye image of the 3D content in one of the first transparent display unit 110-1 and the second transparent display unit 110-2, A 3D content screen in which a right eye image is combined is displayed and a barrier screen corresponding to the 3D content screen is displayed on the other of the first transparent display unit 110-1 and the second transparent display unit 110-2 can do.

Specifically, a barrier screen is displayed on the first transparent display unit 110-1, a 3D content screen on which a left eye image and a right eye image of 3D contents are combined is displayed on the second transparent display unit 110-2, Only the left eye image displayed on the second transparent display unit 110-2 can be viewed as the left eye of the user and only the right eye image displayed on the second transparent display unit 110-2 can be viewed as the right eye of the user .

The above-described configuration is a general method for displaying the spectacle-free 3D contents, but this is merely an example, and the second transparent display unit 110-2 may also be implemented by a method of increasing the visibility by displaying a barrier screen.

According to another embodiment of the present invention as shown in FIG. 11B, 3D content is displayed on a display device 100-2 using another display device 100-2 having a transparent display device 100-1 and a second transparent display device 110-2. can do.

11B, a 2D-3D switching lens filter is added to the first transparent display part 110-1 of the transparent display device 100-1, The voltage can be applied to the 2D-3D switching lens filter to operate as a filter.

Specifically, when no voltage is applied to the 2D-3D switching lens filter, light entering the user's eyes is not refracted, and thus the user can view the 2D content. However, when a voltage is applied to the 2D- The light entering the eye is refracted.

When light entering the user's eyes is refracted, a 3D content screen in which the left and right eye images of 3D contents are combined is displayed on the second transparent display unit 110-2, and a second transparent Only the left eye image displayed on the display unit 110-2 can be viewed and only the right eye image displayed on the second transparent display unit 110-2 can be viewed on the user's right eye. By using the first and second transparent display units 110-1 and 110-2, 2D and 3D contents can be provided to the user.

12 is a flowchart illustrating a process of displaying contents (content) composed of a foreground image and a background image in another display device 100-2 having a transparent display device 100-1 and a second transparent display device 110-2 according to various embodiments of the present invention Fig.

12A, when the user inputs a playback command for a content composed of a foreground image and a background image, the control unit 120 displays a foreground image on the first transparent display unit 110-1 And to display a background image on the second transparent display unit 110-2. However, this is only an example and it may be controlled to display the foreground image and the background image in reverse as shown in FIG. 12B. Further, not only the transparent display device 100-1 and the other display device 100-2 but also a plurality of transparent display devices (not shown) may be stacked to display multi-layer contents.

13 is a flowchart illustrating a method of performing group play of the transparent display device 100-1 according to an embodiment of the present invention.

According to the group play performing method of the transparent display device as shown in FIG. 13, when the first transparent display part and the other display device provided in the transparent display device are overlapped with each other at least one part, communication is established with another display device S1310). The connection of the communication can be done automatically by detecting another display device.

Thereafter, a group play function for providing one service in cooperation with another display device is performed (S1320). Interlocking with the other display device may be performed automatically or may be performed by a user's interlocking command input.

If the second transparent display unit and the first transparent display unit included in the other display device are overlapped with each other at least partially, the step of performing the group play function (S1320) It can work with the device.

And displaying the graphic guide on at least one of the first transparent display unit and the second transparent display unit to guide the stepwise adjustment of the area of the overlapping area between the first transparent display unit and the second transparent display unit .

If the 3D content is reproduced in a state in which the first transparent display unit and the second transparent display unit are overlapped, the step of performing the group play function (S1320) And displaying the barrier screen corresponding to the 3D content screen on the other of the first transparent display unit and the second transparent display unit.

When the content composed of the foreground image and the background image is reproduced in a state in which the first transparent display unit and the second transparent display unit are overlapped, the step of performing the group play function (S1320) Displaying the foreground image on the transparent display part arranged in the user direction in the part and displaying the background image on the other transparent display part of the first transparent display part and the second transparent display part.

The step of performing the group play function (S1320) includes the steps of photographing a subject to acquire a first image and transmitting a photographing command to the other display device when the photographing command is input, Receiving the image, and combining the first image and the second image to generate the content.

The generating of the content may include generating at least one of image size conversion and color correction so that at least one of the first image and the second image corresponds to each other, and then synthesizing the image and the composite image.

The generating of the content may generate 3D content using one of the first image and the second image as a left eye image and using the other of the first image and the second image as a right eye image.

When it is detected that the first transparent display unit and the other display devices are overlapped with each other and whether the first transparent display unit and the other display devices are overlapped with each other, And displaying the message on the first transparent display unit, wherein the group play function can be executed when a user acceptance corresponding to the message is input.

FIG. 14 is a sequence diagram for explaining a group play method of the transparent display device 100-1 and the other display device 100-2 according to an embodiment of the present invention.

Specifically, FIG. 14 shows a sequence diagram of simultaneous photographing in accordance with an embodiment of the present invention. When the transparent display device 100-1 and the other display device 100-2 are overlapped by the user, the other display device 100-2 transmits an interlocking signal to the transparent display device 100-1 S1410). The transparent display device 100-1 receives the interlocking status signal and displays a message inquiring whether it is interlocked (S1420). On the other hand, if the user inputs an interlock command (S1430), the transparent display device 100-1 displays an interlocking approval message (S1440).

When the other display device 100-2 has the second transparent display part 110-2 and the transparent display device 100-1 and the other display device 100-2 overlap each other at least partially, To provide an interlocking screen to perform a group play function.

Thereafter, when the user inputs a shooting command (S1450), the transparent display device 100-1 transmits a shooting command to the other display device 100-2 (S1460) The display device 100-2 simultaneously photographs (S1470-1, S1470-2).

Then, the transparent display device 100-1 stores the photographed first image (S1480), and receives and stores the second image photographed by the other display device 100-2 (S1490, S1491). The transparent display device 100-1 corrects the stored first and second images to correspond to each other and synthesizes them into 3D contents (S1492). The correction may be to perform at least one of magnification and color correction of the image to correspond to at least one of the first image and the second image. Synthesizing with 3D contents (S1492) may be to use one of the first image and the second image as a left eye image and use the other one of the first image and the second image as a right eye image to generate 3D contents.

15 is a flowchart illustrating a method of performing a group play of another display device 100-2 having a transparent display device 100-1 and a second transparent display device 110-2 according to another embodiment of the present invention The sequence is also shown.

15, the user inputs a 3D content playback command for the transparent display device 100-1 and the other display device 100-2 interlocked according to another embodiment of the present invention (S1510). This may be input through a button provided on the transparent display device 100-1 or through a touch input using the first transparent display part 110-1.

In response to the input of the user's 3D content reproduction command, the transparent display device 100-1 transmits 3D content to another display device (S1520). The first transparent display unit displays the barrier screen corresponding to the 3D content (S1530-1), and the second transparent display unit displays the received 3D content as the left eye image and the right eye image (S1530-2) . However, this is only an example, and the first transparent display unit 110-1 may display the 3D contents, and the second transparent display unit 110-2 may display the barrier screen.

16 illustrates a group play method of another display device 100-2 having a transparent display device 100-1 and a second transparent display device 110-2 according to another embodiment of the present invention Fig.

16, with respect to the transparent display device 100-1 and the other display device 100-2 interlocked in accordance with another embodiment of the present invention, A playback command is input (S1610). This may be input through a button provided in the transparent display device 100-1 or may be inputted through a touch input using the first transparent display part 110-1.

The transparent display device 100-1 transmits only the background image to the other display device 100-2 according to the input of the user's 3D content reproduction command (S1620). Then, the first transparent display unit 110-1 displays the foreground image (S1630-1), and the second transparent display unit 110-2 displays the received background image (S1630-2). However, this is only an example, and the first transparent display unit 110-1 may display the background image, and the second transparent display unit 110-2 may display the foreground image.

FIG. 17 is a block diagram showing a configuration of a transparent display device 100-1 'according to another embodiment of the present invention. 17, the transparent display device 100-1 'includes a first transparent display unit 110-1, a control unit 120, an interface unit 130, a camera unit 140-1, a communication unit 150, A storage unit 155, an audio processing unit 160, an image processing unit 170, a speaker 180, a microphone 181, an input unit 190, and a sensing unit 195. Details of the components shown in FIG. 17 that overlap with the components shown in FIG. 2 will not be described in detail.

The control unit 120 controls the operation of the transparent display device 100-1 'in general by using various programs stored in the storage unit 155. [

Specifically, the control unit 120 includes a RAM 121, a ROM 122, a main CPU 123, a graphics processing unit 124, first through n interfaces 125-1 through 125-n, .

The RAM 121, the ROM 122, the main CPU 123, the graphics processing unit 124, the first to n interfaces 125-1 to 125-n, etc. may be connected to each other via a bus 126.

The first to n-th interfaces 125-1 to 125-n are connected to the various components described above. One of the interfaces may be a network interface connected to an external device via a network.

The main CPU 123 accesses the storage unit 155 and performs booting using the O / S stored in the storage unit 155. [ Various operations are performed using various programs stored in the storage unit 155, 3D contents, contents composed of foreground images and background images, and the like.

The ROM 122 stores a command set for booting the system and the like. When the turn-on command is input and power is supplied, the main CPU 123 copies the O / S stored in the storage unit 155 to the RAM 121 according to the instruction stored in the ROM 122, executes O / S Boot the system. When the booting is completed, the main CPU 123 copies various application programs stored in the storage unit 155 to the RAM 121, executes the application program copied to the RAM 121, and performs various operations.

The graphic processing unit 124 generates a screen including various objects such as an icon, an image, and a text using an operation unit (not shown) and a rendering unit (not shown). The operation unit (not shown) calculates an attribute value such as a coordinate value, a shape, a size, and a color to be displayed by each object according to the layout of the screen based on the received control command. The rendering unit (not shown) creates screens of various layouts including the objects based on the attribute values calculated by the operation unit (not shown). The screen generated by the rendering unit (not shown) is displayed in the display area of the first transparent display unit 110-1.

Meanwhile, the operation of the control unit 120 may be performed by a program stored in the storage unit 155. In addition, the control unit 120 may control the storage unit 155 to store the first image captured by the camera unit 140-1.

The control unit 120 controls the camera unit 140-1 to shoot a subject when the shooting command of the user is input through the input unit 190 and transmits a shooting command to the other display device 100-2 And when the second image captured by the other display device 100-2 is received through the interface unit 130, the image processing unit 170 can be controlled to combine the first image and the second image to generate the content have.

At this time, the control unit 120 may control the image processing unit 170 to perform at least one of image size conversion and color correction so as to correspond to at least one of the first image and the second image to generate a composite image .

The controller 120 controls the image processor 170 to generate 3D content using one of the first image and the second image as the left eye image and using the other of the first image and the second image as the right eye image can do.

In addition, the control unit 120 may include a graphic guide for guiding the area of the overlapped area between the first transparent display unit 110-1 and the second transparent display unit 110-2 to be stepwise adjusted, The first transparent display unit 110-1 and the second transparent display unit 110-2.

The storage unit 155 includes an O / S (Operating System) software module for driving the transparent display device 100-1 ', an image photographed by the camera unit 140-1, 3D contents, And the like.

In this case, the control unit 120 displays the 3D content, the foreground image, and the content composed of the background image on the transparent display device 100-1 and the other display device 100-2 based on the information stored in the storage unit 155 do.

The input unit 190 receives a user command. Here, the input unit 190 may be implemented in various forms such as a remote control receiver unit, a button unit, and a touchpad.

The first transparent display unit 110-1 displays various screens. Here, the screen may include various content playback screens such as an image, a moving picture, a text, a music, etc., an application execution screen including various contents, a web browser screen, a GUI (Graphic User Interface) screen,

In this case, the first transparent display unit 110-1 may be implemented by OLED (Organic Light Emitting Diodes), but the present invention is not limited thereto. In addition, the first transparent display unit 110-1 may be configured as a flexible display or the like according to circumstances.

In particular, the first transparent display unit 110-1 can display contents stored in the 3D content, the foreground image, and the background image based on the control of the control unit 120. [

The sensing unit (not shown) includes a touch sensor, a geomagnetic sensor, a gyro sensor, an acceleration sensor, a proximity sensor, a grip sensor, and the like. In addition to the touch described above, the sensing unit can sense various operations such as rotation, tilt, pressure, approach, grip, and the like.

The touch sensor can be implemented as an electrostatic or a pressure sensitive type. The electrostatic touch sensor refers to a sensor that uses a dielectric coated on a surface of a display to calculate touch coordinates by sensing minute electricity that is excited by the user's body when a part of the user's body is touched on the display surface. The pressure sensitive type touch sensor includes two electrode plates built in the transparent display device 100-1. When the user touches the upper and lower plates of the touched point, the pressure sensitive touch sensor senses that the current flows, Quot; touch sensor " In addition, infrared sensing, surface ultrasonic conduction, integrated tension measurement, and piezo effects can be used to detect touch interactions.

Alternatively, the transparent display device 100-1 may judge whether or not a touch object such as a finger or a stylus pen is brought into contact with or close to the touch sensor using a magnetic and magnetic field sensor, an optical sensor or a proximity sensor instead of the touch sensor.

The geomagnetic sensor is a sensor for sensing the rotation state and moving direction of the transparent display device 100-1. The gyro sensor is a sensor for sensing the rotation angle of the transparent display device 100-1. Both the geomagnetic sensor and the gyro sensor may be provided, but even if only one of them is provided, the transparent display device 100-1 can sense the rotation state.

The acceleration sensor is a sensor for detecting the tilting degree of the transparent display device 100-1.

The proximity sensor is a sensor for sensing the approaching motion without touching the display surface directly. The proximity sensor is a high-frequency oscillation type that forms a high-frequency magnetic field and senses a current induced by a magnetic field characteristic that changes when approaching an object, a magnetic type using a magnet, a capacitive type And the like.

The grip sensor is a sensor that detects a grip of a user by being disposed at the rear surface, the rim, and the grip portion separately from the touch sensor provided on the touch screen. The grip sensor may be implemented as a pressure sensor in addition to the touch sensor.

The audio processing unit 160 is a component that performs processing on audio data. In the audio processing unit 160, various processes such as decoding and amplification of audio data, noise filtering, and the like may be performed.

The speaker 180 is a component for outputting various kinds of audio data processed by the audio processing unit 160, as well as various kinds of notification sounds and voice messages.

A button (not shown) may be various types of buttons such as a mechanical button, a touch pad, a wheel, and the like formed in an arbitrary area such as a front surface portion, a side surface portion, and a back surface portion of the outer surface of the body of the transparent display device 100-1.

A camera (not shown) is a configuration for capturing a still image or a moving image according to a user's control. The camera may be implemented as a plurality of cameras such as a front camera and a rear camera.

The microphone 181 is a configuration for receiving a user voice or other sound and converting it into audio data.

The sensing unit 195 senses whether the first transparent display unit 110-1 and the second transparent display unit 110-2 are overlapped. When the first transparent display unit 110-1 and the second transparent display unit 110-2 overlap each other, the control unit 120 transmits a message inquiring whether or not the first transparent display unit 110-1 and the second transparent display unit 110-2 are interlocked with each other, And displays it on the display unit 110-1. When an interlocking command is inputted, the interlocking command can be interlocked with the other display device 100-2 through the interface unit 130. [

By using the transparent display device 100-1 and the other display device 100-2 as described above, the user can utilize the function that can not be obtained from the existing display device, and the satisfaction of the user can be improved. Hereinafter, a method of implementing the group play function using the transparent display device 100-1 and the other display device 100-2 using only the transparent display device 100-1 will be described.

18 is a block diagram showing a configuration of a transparent display device 100-1 according to another embodiment of the present invention. Referring to FIG. 18, the transparent display device 100-1 includes a first transparent display part 110-1 and a control part 120. FIG. Hereinafter, a description of the parts that are the same as those described above will be omitted.

The first transparent display portion 110-1 has a flexible characteristic. The transparent display device 100-1 having the first transparent display part 110-1 having a flexible characteristic can be bent, bent, folded, folded or folded like a paper while maintaining the display characteristics of the conventional flat panel display device , Or a device capable of drying. Therefore, the transparent display device 100-1 having the flexible first transparent display part 110-1 must be fabricated on a flexible substrate. Specifically, the transparent substrate 111-1 can be formed of a polymer material such as plastic having transparency while being deformable by external pressure.

The first transparent display portion 110-1 has a characteristic capable of bending. Accordingly, the first transparent display unit 110-1 should be made of a structure and material capable of bending. That is, since the first transparent display unit 110-1 is made of a structure and material that can be bent, when an external force is applied to the flexible first display unit 110-1, the first transparent display unit 110-1 may be bent, A deformation of a combination of them occurs.

Bending may include normal bending, folding, and rolling. Normal bending refers to a state in which the display device is bent.

Folding refers to a state in which the display device is folded. Here, the folding and general bending can be classified according to the degree of bending. For example, when the bending is performed at a predetermined bending angle or more, the bending angle is defined as a folded state, and when the bending angle is less than the bending angle, it is defined as general bending.

Rolling means that the display device is being rolled. Rolling can also be judged based on the bending angle. For example, a state in which bending over a predetermined bending angle is sensed over a certain area can be defined as rolling. On the other hand, a state in which bending less than a predetermined bending angle is detected in a relatively small area as compared with rolling can be defined as folding. The general bending, folding, rolling, etc. described above may be determined based on the radius of curvature in addition to the bending angle.

In addition, a state in which the cross section of the curled portion of the display device is substantially circular or has a shape close to an ellipse can be defined as rolling regardless of the radius of curvature.

However, the definition of the various form variants as described above is merely an example, and may be defined differently depending on the type, size, weight, and characteristics of the display apparatus. For example, if the surfaces of the display device are bendable enough to touch each other, the folding may be defined as a state in which the device surfaces are in contact with each other at the same time as bending. On the other hand, rolling may be defined as a state in which the front and back surfaces of the display device are in contact with each other due to bending.

For ease of explanation, this specification refers to these various types of bending and other bending types collectively as bending.

When the first area of the first transparent display part 110-1 is bent and overlapped with the second area of the first transparent display part 110-1 so that the overlap area is formed, The first transparent display unit 110-1 can be controlled to display the interlocking screen in the overlapping area by controlling the display operations of the two areas.

In addition, the control unit 120 can display different screens by separately controlling the third region and the third region which are not overlapped with the first region in the first transparent display unit 110-1.

The control unit 120 may display a 2D image in the third area and a 3D image in the overlap area.

In addition, the controller 120 may display a graphic guide on the first transparent display unit 110-1 to guide the area of the overlapped area of the first transparent display unit 110-1 to be adjusted stepwise.

When the 3D content is reproduced in a state in which the first area and the second area are overlapped, the control unit 120 displays the 3D content screen in which the left and right eye images of the 3D content are combined in one of the first area and the second area. And display a barrier screen corresponding to the 3D content screen on the other of the first area and the second area.

When the content composed of the foreground image and the background image is reproduced in a state where the first area and the second area are overlapped, the control unit 120 displays the foreground image in the area arranged in the user direction among the first area and the second area And a background image may be displayed in the other of the first area and the second area.

The control unit 120 may further include a sensing unit for sensing whether the first area and the second area overlap with each other. When the first area and the second area are detected to overlap with each other, The first transparent display unit 110-1 displays a message inquiring whether or not the first area and the second area are interlocked. When the interlock command is input, the first area and the second area can be interlocked.

When the first transparent display part 110-1 is bended a plurality of times to generate an overlap region including at least three transparent layers, the controller 120 controls the three-dimensional image to be two-dimensional It is possible to divide the image into slice images and display them on each transparent layer of the overlap area.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a basic configuration and various embodiments for facilitating understanding of the present invention will be described. However, duplicate description of the group play function using the transparent display device 100-1 and the other display device 100-2 will be omitted.

19 is a view for explaining a function provided in accordance with bending of the first transparent display unit 110-1 according to another embodiment of the present invention.

19, the controller 120 displays the first area 1910 of the first transparent display part 110-1 and the second area 1920 of the first transparent display part 110-1, The first transparent display unit 110-1 can be controlled to control the display operation of the first area 1910 and the second area 1920 and to display the interlocking screen in the overlapping area .

When the 3D content is reproduced in a state where the first area 1910 and the second area 1920 are overlapped with each other, the control unit 120 displays the 3D content in one of the first area 1910 and the second area 1920, And a barrier screen corresponding to the 3D content screen may be displayed on the other of the first area 1910 and the second area 1920. [ However, the present invention is not limited thereto, and the controller 120 may display the content displayed before the first transparent display unit 110-1 is bent, in a bend state.

When the content including the foreground image and the background image is reproduced in a state where the first area 1910 and the second area 1920 are overlapped with each other, the controller 120 controls the first area 1910 and the second area 1920, The foreground image may be displayed in the area arranged in the user direction and the background image may be displayed in the other area of the first area 1910 and the second area 1920. [ However, the present invention is not limited to this, and the controller 120 may display the foreground image and the background image in reverse, or may display the content that has been displayed before bending the first transparent display unit 110-1 in a bend state It is possible.

When it is detected that the first area 1910 and the second area 1920 are overlapped with each other, the control unit 120 transmits a message inquiring whether or not the first area 1910 and the second area 1920 are interlocked, The first area 1910 and the second area 1920 can be interlocked with each other when the interlock command is input. The description related to the interlocking is given in Fig. 5 and will be omitted.

On the other hand, the controller 120 separately controls the overlap area with the third area 1930, which is the remaining area that is not overlapped with the first area 1910, in the first transparent display unit 110-1, can do. Specifically, the control unit 120 may display the 2D image in the third area 1930 and display the 3D image in the overlap area. However, the present invention is not limited thereto. The controller 120 may display the menu screen in the third area 1930 to control the overlap area, or may display the same content in the overlap area with the third area 1930 .

20 is a view illustrating a first region 1910, a second region 1920, and a third region 1930 of the first transparent display unit 110-1 according to another embodiment of the present invention to provide a bending guide Fig.

20, the control unit 120 can display on the first transparent display unit 110-1 a graphic guide for guiding the stepwise adjustment of the overlap area of the first transparent display unit 110-1 have. In FIG. 20, the graphic guide is divided into three regions, but the present invention is not limited thereto. For example, the control unit 120 may provide a graphic guide to divide into two areas or four or more areas, and may provide a UI for changing or setting a graphic guide by a user. The configuration for providing the graphic guide has been described with reference to FIG. 8 and will be omitted.

FIG. 21 is a view for explaining a case where the first transparent display unit 110-1 according to another embodiment of the present invention is bent a plurality of times.

Referring to FIG. 21, when the first transparent display unit 110-1 is bent a plurality of times to generate an overlap area having at least three transparent layers, the controller 120 adjusts the three- Two-dimensional slice images can be separately displayed on each transparent layer of the overlap area.

In FIG. 21, the first transparent display portion 110-1 is bent twice and an overlapping region composed of three transparent layers is generated. However, the present invention is not limited to this, and the first transparent display portion 110-1 may be bent three or more times according to its size.

The first area 1910, the second area 1920, and the third area 1930 are located at the front of the overlap area. At this time, the controller 120 may divide the three-dimensional image into three two-dimensional slice images to display the three-dimensional image. For example, in the case where the three-dimensional image is in the form of a sphere, the three two-dimensional slice images are circles, and the size of the middle image is the largest circle, and the remaining two images may be the same size circle. The control unit 120 may display an intermediate image in the second area 1920 and display the remaining two images in the first area 1910 and the third area 1930. [ The control unit 120 may generate and apply a two-dimensional slice image to another form. Also, since the number of times of bending is large, the more transparent layers in the overlap region, the finer the three-dimensional image can be expressed.

In the above description, the three-dimensional image is divided into two-dimensional slice images and displayed, but the present invention is not limited thereto. For example, the first transparent display unit 110-1 may display the content that was being displayed before bending, in a bent state.

By using the transparent display device 100-1 as described above, the user can utilize the function that can not be obtained from the existing display device, and the satisfaction of the user can be improved.

Meanwhile, the method of controlling a transparent display device according to various embodiments of the present invention described above may be embodied in computer-executable program code and executed by a processor in a state stored in a non-transitory computer readable medium. To each of the devices.

For example, when at least one part of the first transparent display unit and the other display unit provided in the transparent display unit are overlapped with each other, the step of connecting to the other display unit and the group play A non-transitory computer readable medium may be provided in which a program for performing the steps of performing the function is stored.

A non-transitory readable medium is a medium that stores data for a short period of time, such as a register, cache, memory, etc., but semi-permanently stores data and is readable by the apparatus. In particular, the various applications or programs described above may be stored on non-volatile readable media such as CD, DVD, hard disk, Blu-ray disk, USB, memory card, ROM,

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, It will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the present invention.

100-1: Transparent display device 100-2: Other display device
110-1: first transparent display unit 110-2: second transparent display unit
120: control unit 130: interface unit
140-1: First camera unit 140-2: Second camera unit
155: storage unit 160: audio processing unit
170: image processing unit 190: input unit

Claims (32)

In a transparent display device,
A first transparent display unit;
An interface unit for performing communication with another display device; And
And a control unit connected to the other display device and interlocking with the other display device when the first transparent display unit and the other display device are overlapped with each other at least partially. The method according to claim 1,
Wherein,
And the second transparent display unit provided in the other display device is interlocked with the other display device so that the interlocked screen can be provided through the overlapped area when at least a part of the first transparent display unit overlaps with the other. 3. The method of claim 2,
Wherein,
Displaying a graphic guide on at least one of the first transparent display unit and the second transparent display unit to guide the area of the overlapping area between the first transparent display unit and the second transparent display unit to be adjusted stepwise And a transparent display device. 3. The method of claim 2,
Wherein,
When the 3D content is reproduced in a state in which the first transparent display unit and the second transparent display unit are overlapped, the left-eye image and the right-eye image of the 3D content are combined in one of the first transparent display unit and the second transparent display unit Wherein the controller displays the 3D content screen and displays a barrier screen corresponding to the 3D content screen on the other of the first transparent display unit and the second transparent display unit. 3. The method of claim 2,
Wherein,
When the content composed of the foreground image and the background image is reproduced in a state in which the first transparent display unit and the second transparent display unit are overlapped, the transparent display unit arranged in the user direction among the first transparent display unit and the second transparent display unit, And the background image is displayed on the other transparent display part of the first transparent display part and the second transparent display part. The method according to claim 1,
A camera section;
A storage unit for storing a first image taken by the camera unit;
An input unit for receiving a photographing command; And
And an image processing unit,
Wherein,
When the photographing instruction is inputted, the control unit controls the camera unit to photograph the subject, transmit the photographing command to the other display device, and when the second image photographed by the other display device is received through the interface unit, And controls the image processing unit to generate the content by combining the second image. The method according to claim 6,
Wherein,
Wherein at least one of size conversion and color correction of the image is performed so as to correspond to at least one of the first image and the second image to generate a composite image. The method according to claim 6,
Wherein the image processing unit comprises:
Wherein one of the first image and the second image is used as a left eye image, and the other one of the first image and the second image is used as a right eye image. 9. The method according to any one of claims 1 to 8,
And a connection unit for connecting the display device to the other display device. The method according to claim 1,
And a sensing unit for sensing whether the first transparent display unit and the other display device are overlapped with each other,
Wherein,
When the first transparent display unit and the other display unit are detected to overlap with each other, a message inquiring about whether or not the first transparent display unit and the other display unit are interlocked with each other is displayed on the first transparent display unit, And wherein the transparent display device is interlocked with the other display device. A method of performing a group play of a transparent display device,
Connecting a communication with the other display device when the first transparent display part and the other display device provided in the transparent display device are overlapped with each other at least in part; And
And performing a group play function for providing one service in cooperation with the other display device. 12. The method of claim 11,
Wherein performing the group play function comprises:
And the second transparent display unit provided in the other display device interlocks with the other display device so as to provide an interlocking screen through the overlapped area if at least a part of the first transparent display unit overlaps with the second transparent display unit. Of group play. 13. The method of claim 12,
Displaying on at least one of the first transparent display part and the second transparent display part a graphic guide for guiding the stepwise adjustment of the area of the overlapping area between the first transparent display part and the second transparent display part ≪ / RTI > further comprising: 13. The method of claim 12,
Wherein performing the group play function comprises:
When the 3D content is reproduced in a state in which the first transparent display unit and the second transparent display unit are overlapped, the left-eye image and the right-eye image of the 3D content are combined in one of the first transparent display unit and the second transparent display unit Displaying a 3D content screen; And
And displaying a barrier screen corresponding to the 3D content screen on another one of the first transparent display unit and the second transparent display unit. 13. The method of claim 12,
Wherein performing the group play function comprises:
When the content composed of the foreground image and the background image is reproduced in a state in which the first transparent display unit and the second transparent display unit are overlapped, the transparent display unit arranged in the user direction among the first transparent display unit and the second transparent display unit, Displaying the foreground image on the display; And
And displaying the background image on another transparent display unit of the first transparent display unit and the second transparent display unit. 12. The method of claim 11,
Wherein performing the group play function comprises:
Acquiring a first image by photographing a subject when the photographing command is input, and transmitting the photographing command to the other display device;
Receiving a second image photographed by the other display device; And
And generating a content by combining the first image and the second image. 17. The method of claim 16,
Wherein the generating the content comprises:
Wherein at least one of size conversion and color correction of the image is performed so as to correspond to at least one of the first image and the second image, and then synthesized with each other to generate a composite image How to do it. 17. The method of claim 16,
Wherein the generating the content comprises:
And generates 3D content using one of the first image and the second image as a left eye image and using the other of the first image and the second image as a right eye image, How to do it. 12. The method of claim 11,
Sensing whether the first transparent display unit and the other display device overlap each other; And
Displaying on the first transparent display part a message asking whether to execute the group play function with the other display device when it is detected that the first transparent display part and the other display device overlap each other; Further comprising:
Wherein the group play function is executed when a user acceptance corresponding to the message is input. There is provided a group play system for providing a group play function in which a plurality of apparatuses cooperate to perform one service,
A first transparent display device; And
And another display device which is arranged to overlap the first transparent display device and connects the first transparent display device with the communication device and performs a group play function in cooperation with the first transparent display device. 21. The method of claim 20,
The other display device is a second transparent display device,
Wherein when the first transparent display device and the second transparent display device are overlapped with each other at least partially, the group play function is performed by providing an interlocking screen through the overlapped area. 22. The method of claim 21,
The group play function is a 3D content playback function,
Wherein one of the first transparent display device and the second transparent display device displays a 3D content screen in which a left eye image and a right eye image of a 3D content are combined, when the user command for executing the 3D content reproduction function is input, Wherein one of the first transparent display device and the second transparent display device displays a barrier screen corresponding to the 3D content screen. 22. The method of claim 21,
The group play function is a playback function for playing back content composed of a foreground image and a background image,
Wherein when a user command for executing the playback function is input, a device arranged in the user direction among the first transparent display device and the second transparent display device displays the foreground image, and the first transparent display device and the second transparent display device And the other one of the two transparent display devices displays the background image. 21. The method of claim 20,
The group play function is a group shooting function,
When the user command for executing the group photographing function is input, the first transparent display device and the other display device photograph a subject using a camera provided in each device, acquire first and second images, And generates one content by combining the first and second images. In a transparent display device,
A transparent display unit having a flexible characteristic; And
When the first area of the transparent display unit is bent and overlapped with the second area of the transparent display unit to generate an overlap area, the display operation of the first area and the second area is respectively controlled, And a control unit for controlling the transparent display unit to display the transparent display unit. 26. The method of claim 25,
Wherein,
Wherein the transparent display unit displays the different screens by separately controlling the third area and the overlapped area that are not overlapped with the first area in the transparent display unit. 27. The method of claim 26,
Wherein,
And displays the 2D image in the third area and the 3D image in the overlap area. 26. The method of claim 25,
Wherein,
And a graphic guide for guiding the area of the overlapping area of the transparent display unit to be stepwise adjusted is displayed on the transparent display unit. 26. The method of claim 25,
Wherein,
When the 3D content is reproduced in a state where the first area and the second area are overlapped, a 3D content screen in which a left eye image and a right eye image of the 3D content are combined in one of the first area and the second area is displayed And a barrier screen corresponding to the 3D content screen is displayed on the other of the first area and the second area. 26. The method of claim 25,
Wherein,
When the contents composed of the foreground image and the background image are reproduced in a state where the first area and the second area overlap each other, the foreground image is displayed in the area arranged in the user direction out of the first area and the second area, And displays the background image in another one of the first area and the second area. 26. The method of claim 25,
And a sensing unit for sensing whether the first area and the second area overlap with each other,
Wherein,
A message inquiring whether or not the first area and the second area are interlocked is displayed on the transparent display unit when the first area and the second area are detected to overlap with each other, And the second region are interlocked with each other. 26. The method of claim 25,
Wherein,
When the transparent display unit is bent a plurality of times so that an overlap region of at least three transparent layers is generated, a three-dimensional image is divided into two-dimensional slice images corresponding to the number of layers of the overlap region, And displays the image on the display unit.

Images