WO2015064929A1

WO2015064929A1 - Multi-display device

Info

Publication number: WO2015064929A1
Application number: PCT/KR2014/009554
Authority: WO
Inventors: 박정규
Original assignee: 주식회사 토비스
Priority date: 2013-10-29
Filing date: 2014-10-13
Publication date: 2015-05-07
Also published as: KR101543418B1; KR20150049016A

Abstract

The present invention relates to a multi-display device for providing three-dimensional stereoscopic images and two-dimensional images. The multi-display device according to one embodiment of the present invention comprises: a main body formed with a viewing window for viewing images; a main image panel which is provided in the viewing window and shows two-dimensional images; a light source for providing light to the main image panel; a stereoscopic image unit for providing three-dimensional stereoscopic images through the main image panel; a rotating mechanism for providing the light of the light source or for providing the stereoscopic images of the stereoscopic image unit to the main image panel, by means of rotation so as to change the positions of the light source and the stereoscopic image unit between each other; and a controller for controlling the rotation of the rotating mechanism. Therefore, the present invention can provide two-dimensional and three-dimensional images, and can provide three-dimensional stereoscopic images with an improved three-dimensional effect.

Description

Multi display device

The present invention relates to a multi-display apparatus that provides a three-dimensional stereoscopic image and a two-dimensional image together.

In general, a display device is an apparatus for outputting an image. In recent years, a display device not only displays a three-dimensional stereoscopic image, but also provides a variety of two-dimensional and three-dimensional stereoscopic images. Display devices of the type are being developed.

An example of a display device capable of simultaneously providing two-dimensional and three-dimensional images includes a two-dimensional and three-dimensional image display device of Korean Patent Publication No. 10-2010-0033067 (published on March 29, 2010).

The conventional two-dimensional and three-dimensional image display apparatus includes a display and a second display, and places a lenticular lens between the first display and the second display to display a two-dimensional image or a three-dimensional image. A display unit for selectively outputting; And a controller configured to control the first display and the second display to selectively output a 2D image or a 3D image.

The two-dimensional and three-dimensional image display device having such a configuration may be configured by selectively selecting a first display for selectively displaying a two-dimensional image and a second display for displaying a three-dimensional image by a user. I could watch the video.

However, since the conventional two-dimensional and three-dimensional image display device converts and displays a two-dimensional image in three dimensions by using a lenticular lens provided in the second display, three-dimensional expression is insufficient, and according to the viewing angle, There was a problem that was not enough to feel the image of the dimension.

The present invention is to solve the problems as described above, the problem to be solved by the present invention can provide a two-dimensional and three-dimensional image together, multi-dimensional can further provide a three-dimensional image of the three-dimensional image It relates to a display device.

The multi display apparatus according to an embodiment of the present invention for achieving the above object is provided with a main body formed with a viewing window for viewing the image, the main image panel is provided in the viewing window to display a two-dimensional image, the main image panel A light source providing light, a stereoscopic image unit providing a 3D stereoscopic image through the main image panel, and rotating the light source and the stereoscopic image unit so as to be interchanged to provide light of the light source to the main image panel. Or a rotating mechanism for providing a stereoscopic image of the stereoscopic image unit, and a controller for controlling the rotation of the rotating mechanism.

The three-dimensional image unit is formed of a semi-transparent body of a polygonal pyramid shape, the image composite to project the image on each side is synthesized inside to provide a three-dimensional stereoscopic image, and to project the image on each side of the image composite It may include a sub image panel.

The sub-image panel may be positioned on an upper portion of the image composite and display images corresponding to at least two or more surfaces except for the bottom surface of the image composite on one screen, and may be provided to each side of the image composite. .

The rotating mechanism may include a rotating case partitioned into a space in which the light source is located and a space in which the stereoscopic image unit is located, a driving motor for rotating the rotating case, and measuring the rotated state of the rotating case to provide to the controller. It may include a sensor.

The rotation case may be formed in a cylindrical shape, and the main image panel may be formed in a curved surface corresponding to the rotation case so that a part of the rotation case overlaps the rear surface of the main image panel.

The multi display apparatus according to another exemplary embodiment of the present invention may replace the rotating mechanism with a blocking plate in another multi display apparatus according to an exemplary embodiment.

The blocking plate may be a PDLC which is inverted to be transparent and opaque by electricity.

According to the present invention, a two-dimensional image and a three-dimensional image may be selectively or together provided using the main image panel and the stereoscopic image unit.

In addition, it is possible to provide a three-dimensional image with improved stereoscopic effect by using a three-dimensional image unit, and to provide a three-dimensional stereoscopic image by providing an image to be synthesized on each side of the image composite in one sub-image panel. It can be easily implemented at a cost.

1 is an exploded perspective view illustrating a multi-display device according to an exemplary embodiment of the present invention.

2 is a side cross-sectional view illustrating a multi display device according to an exemplary embodiment of the present invention.

3 is a side sectional view showing a multi display device according to an embodiment of the present invention, showing a state in which a stereoscopic image is provided.

4 is a perspective view schematically illustrating a stereoscopic image unit constituting a multi display apparatus according to an exemplary embodiment of the present invention.

FIG. 5 is a plan view schematically illustrating an image displayed on a sub image panel in a stereoscopic image unit constituting a multi display apparatus according to an exemplary embodiment.

FIG. 6 is a side view of a stereoscopic image unit constituting a multi display apparatus according to an exemplary embodiment of the present invention, and illustrates a synthesis of stereoscopic images. FIG.

7 is a configuration diagram schematically illustrating a rotating mechanism constituting a multi display apparatus according to an exemplary embodiment of the present invention.

8 is a side cross-sectional view illustrating a multi display device according to another exemplary embodiment of the present invention.

9 is a side sectional view showing a multi display device according to another embodiment of the present invention, showing a state in which a stereoscopic image is provided.

[부호의 설명][Description of the code]

100: main image panel 200: rotating mechanism

210: rotating case 211: installation space of the light source

213: installation space of the stereoscopic image unit 215: partition wall

217: axis of rotation 219: support

230: light source 231: light guide plate

250: stereoscopic imaging unit 251: video synthesis

253: sub picture panel 270: driving motor

280: brake 290: control unit

291: sensor 300: main body

310: viewing window 400: blocking plate

P: vertex

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.

First, when an event occurs in a state of providing a 2D image, the multi display apparatus of the present invention provides a 3D stereoscopic image or vice versa when an event occurs in a state of providing a 3D stereoscopic image. In addition, a two-dimensional image may be provided, and a two-dimensional image and a three-dimensional stereoscopic image may be selectively provided together.

1 to 3, the multi display apparatus according to the exemplary embodiment of the present invention may include a main body 300.

The main body 300 may be formed in a hollow box shape to accommodate components to be described below.

Meanwhile, a viewing window 310 for viewing an image may be formed on one surface of the main body 300.

The multi display apparatus according to the exemplary embodiment of the present invention may include the main image panel 100.

The main image panel 100 may display a two-dimensional image, the main image panel 100 may be an LCD panel, a PLAZMA panel, an OLED panel, a PLED panel, these panels are well-known technology, more detailed description Is omitted.

On the other hand, the main image panel 100 may be installed in a form that seals the viewing window 310 of the main body 300, the viewing window 310 may be formed to have a convex or concave curved surface to the outside of the main body 300. have.

The main image panel 100 may be a transparent main image panel 100 through which an object is transmitted.

The multi display apparatus according to the exemplary embodiment of the present invention may include a light source 230.

The light source 230 may provide a bright image to the viewer by providing light to the image displayed on the main image panel 100.

On the other hand, the light source 230 may be a lamp for emitting light, it may be implemented as an LED or CCFL.

The light source 230 may include a light guide plate 231. The light guide plate 231 uniformly diffuses the light of the light source 230 to provide the main image panel 100.

On the other hand, the light guide plate 231 may be formed with a reflective pattern to reflect the light in the direction in which the main image panel 100 is located, the light source 230 is the circumference of the light guide plate 231 or the light guide plate 231 A plurality of light sources 230 may be installed on one surface of the light guide plate 231 to provide light to the light guide plate 231, and may be implemented as a prism that replaces the light guide plate 231 to diffuse light.

4 to 6, the multi display apparatus according to the exemplary embodiment of the present invention may include a stereoscopic image unit 250.

The stereoscopic image unit 250 may provide a three-dimensional stereoscopic image.

Meanwhile, the stereoscopic image unit 250 may provide, for example, a three-dimensional stereoscopic image in the form of synthesizing an image provided on each surface, and the stereoscopic image unit 250 includes an image composite body 251 and a sub image panel. 253 may include.

The image synthesizer 251 may be formed in the shape of a polygonal pyramid. The outer surface of the image synthesizer 251 may be formed as a semi-transparent body that reflects a part of light and transmits a part thereof. It may be implemented as a prism of a polygonal pyramidal shape formed of a semi-transmissive body.

In the embodiment, the image synthesizer 251 is a semi-transmissive plate, such as a half-mirror (half-mirror) was produced in the form of a square pyramid.

In this case, the image synthesizer 251 may be formed of a transflective body except for the bottom surface.

The sub-image panel 253 displays an image, and may provide an image to be synthesized in the image synthesizer 251 to the image synthesizer 251.

The sub image panel 253 may be an LCD panel, an OLED panel, a PLAZMA panel, or a PLED panel displaying an image. Here, when the sub image panel 253 is an LCD panel, the sub image panel 253 may include the light source 230 for irradiating light to the LCD panel.

In addition, the sub image panel 253 may display an image to be projected on at least two planes with the center of the sub image panel 253 positioned at the top vertex P of the image composite body 251 having a polygonal pyramid shape. (See FIG. 4).

For example, the sub-image panel 253 assumes that the real of the stereoscopic image to be synthesized in the image synthesizer 251 is located inside the image synthesizer 251. An image projected on the surface may be displayed on the sub image panel 253.

In this case, as shown in FIG. 5, the image composite body 251 corresponds to each surface in one sub-image panel 253 because each surface is radially positioned around the vertex P when viewed from the top. By displaying the image to be radially around the vertex (P), it is possible to display all the images to be provided to each side of the image composite body 251 in one sub-image panel 253 at one time.

Here, the image synthesizer 251 may be configured such that the image is not displayed on the surface located in the opposite direction to the surface where the viewer views the image in order to minimize the interference of the synthesized stereoscopic image, and the image is displayed only on the remaining surface. have.

As illustrated in FIG. 6, the image synthesizer 251 configured as described above is partially transmitted, and the other part is reflected, so that when looking at any one of the plurality of surfaces, as shown in FIG. 3D stereoscopic images may be provided in a form in which an image reflected from a viewing side and an image transmitted from another side overlap each other.

As shown in FIG. 2, FIG. 3, and FIG. 7, the multi display apparatus according to the exemplary embodiment of the present invention may include a rotating mechanism 200.

The rotating mechanism 200 is provided with a light source 230 and the three-dimensional image unit 250 to supply light by providing the light source 230 to the main image panel 100 as the rotating mechanism 200 rotates, or three-dimensional The 3D stereoscopic image displayed on the image unit 250 may be provided to the viewer through the main image panel 100.

In addition, the rotation mechanism 200 may include a rotation case 210. The rotating case 210 is partitioned by the partition 215 the installation space 211 in which the light source 230 is installed and the installation space 213 in which the stereoscopic image unit 250 is installed, so that the rotation case 210 rotates. Accordingly, the light of the light source 230 may be provided to the main image panel 100, or the 3D stereoscopic image displayed on the stereoscopic image unit 250 may be provided to the viewer through the main image panel 100.

On the other hand, the rotating case 210 may be formed of a cylindrical transparent body, when looking at the rotating case 210 from the side, half of the light source 230 is located, the other half of the three-dimensional image unit 250 is It may be located, the rotary case 210 may be provided with a plurality of three-dimensional image unit 250.

In this case, the light source 230 may be configured in such a way that the light guide plate 231 is installed on the circumferential surface of the half of the rotating case 210 so that light may be generated at the circumferential surface of the half of the rotating case 210. The curvature of the main image panel 100 may be formed to have the same or similar curvature as the curvature of the rotation case 210 so that the rotation case 210 may be partially inserted to overlap the rear of the panel 100.

In the embodiment, the ratio of the light source 230 and the stereoscopic image unit 250 to the rotation case 210 is expressed as half, but each occupancy ratio is less than half, that is, when the rotation case 210 is viewed from the side, 180 The light source 230 and the stereoscopic image unit 250 may be positioned within an angle range of less than or equal to 180 °.

In addition, a rotation shaft 217 protruding outward may be provided at the center of the rotation case 210, and the rotation case 210 may be rotatable on the support 219 provided in the main body 300. It can be combined in a fitted form.

The rotary mechanism 200 may include a drive motor 270. The drive motor 270 is connected to the rotation shaft 217 of the rotation case 210 may rotate the rotation case 210 by the driving force of the drive motor 270.

In addition, the rotating mechanism 200 may include a brake 280. The brake 280 can accurately stop the rotating case 210 at a desired angle. Meanwhile, the brake 280 may be an electronic brake 280 and may be a mechanical brake 280. Since the brake 280 is a known technique, detailed description thereof will be omitted.

In addition, the rotating mechanism 200 may include a controller 290. The controller 290 may control the rotation of the rotating mechanism 200, more specifically, the rotating case 210.

That is, the controller 290 rotates or rotates the rotation case 210 by controlling the driving motor 270 so that the light source 230 is positioned on the main image panel 100 or the stereoscopic image unit 250 is positioned. The rotation of the case 210 may be stopped.

In this case, the control unit 290 may control the driving motor 270 to rotate or stop the rotating case 210, and may stop by controlling the brake 280 when stopping.

Here, the control unit 290 may be implemented as a limit switch for turning on / off the driving motor 270 or the brake 280 at any point, the control unit 290 may be configured to include a sensor 291. .

For example, the controller 290 receives the rotated angle information of the rotating case 210 measured by the sensor 291 and controls the driving motor 270 or the brake 280 based on the angle information to control the rotating case 210. Can be configured to rotate or stop).

The operation and effects between the components described above will be described.

In the multi display apparatus according to the exemplary embodiment of the present invention, the main image panel 100 is positioned in the viewing window 310 of the main body 300, and the rotating mechanism 200 is installed inside the main body 300.

On the other hand, the light source 230 and the three-dimensional image unit 250 is positioned in the rotary mechanism 200 to be partitioned with each other inside the rotary case 210, the rotary case 210 to be rotatable by the drive motor 270. Connected.

At this time, the rotation case 210 may be provided with a brake 280 so that the rotation case 210 to stop the rotation at the correct position, the rotation case 210 may be rotated or stopped by the controller 290. have.

In addition, the stereoscopic image unit 250 has a center of the sub image panel 253 positioned at a vertex P of the image composite body 251 formed in the shape of a polygonal pyramid, and thus image synthesis is performed on each side of the sub image panel 253. A stereoscopic image to be synthesized in the sieve 251 is provided.

Here, when the light source 230 in the rotation case 210 is positioned to face the main image panel 100, the three-dimensional image unit 250 is positioned in the rotation case 210 so that the top and bottom are upside down, the three-dimensional image unit When the rotating case 210 rotates so that the 250 faces the main image panel 100, the main image panel 100 may be configured to provide a normal image through the main image panel 100.

In addition, the main body 300 may be provided with a power supply for supplying power to each component, the image providing module for providing a sub-image may be located.

In the multi display apparatus according to the exemplary embodiment configured as described above, when the rotation case 210 is rotated so that the light source 230 faces the main image panel 100, the light of the light source 230 is provided to the main image panel 100. The 2D image displayed on the main image panel 100 is provided to the viewer.

Meanwhile, in order to provide a 3D stereoscopic image, the driving motor 270 rotates to rotate the rotation case 210 so that the positions of the light source 230 and the 3D image unit 250 are reversed with each other, and the control unit 290. The rotation case 210 controls the driving motor 270 or the brake 280 to stop the rotation at the correct position facing the main image panel 100 when the rotation is rotated.

When the rotating case 210 stops at a position facing the main image panel 100, the sub image panel 253 displays an image provided to each side of the image composite body 251, and the image composite body ( In 251, a part of the image is reflected on each surface, and the remaining part of the image is transmitted to synthesize a three-dimensional stereoscopic image inside the image composite body 251 to give the viewer a three-dimensional image through the main image panel 100. Provide stereoscopic images.

At this time, since the main image panel 100 is displayed in a transparent state by displaying the image in white, the viewer can watch a three-dimensional stereoscopic image provided from the stereoscopic image unit 250 through the main image panel 100.

Meanwhile, when a 3D image is provided through the 3D image unit 250, the main image panel 100 also displays a 2D image, thereby synthesizing the 3D image and the 2D image to provide the viewer. Can be.

In this case, the main image panel 100 may view the image of the main image panel 100 together with the 3D image by the light generated from the natural light or the stereoscopic image unit 250.

The multi display apparatus according to an embodiment of the present invention provides a two-dimensional game image in the main image panel 100, for example, when applied to a game machine, and instantaneously three-dimensional stereoscopic image when an event occurs in the game. By providing, it can further induce the interest of the game.

Therefore, the multi display apparatus according to the exemplary embodiment of the present invention may selectively or together provide a 2D image and a 3D stereoscopic image according to the rotation of the rotation mechanism 200.

In addition, the stereoscopic image unit 250 may provide a three-dimensional stereoscopic image having a three-dimensional effect.

In addition, by providing an image to be synthesized on each side of the image composite body 251 in one sub-image panel 253, it is possible to easily implement a three-dimensional stereoscopic image at a low cost.

Hereinafter, another embodiment of the present invention will be described with reference to the accompanying drawings.

In another embodiment of the present invention, the same configuration as the one embodiment and the same reference numerals, the same configuration and the same operation and effect, so detailed description thereof will be omitted.

The multi display apparatus according to another exemplary embodiment of the present invention may be configured by replacing the rotating mechanism 200 of the exemplary embodiment with the blocking plate 400.

8 and 9, in another embodiment, the main image panel 100 is installed in the viewing window 310 of the main body 300, and the interior of the main body 300 corresponding to the main image panel 100 is provided. The light source 230, the blocking plate 400, and the stereoscopic image unit 250 may be installed in this order.

Meanwhile, the blocking plate 400 may be formed of a semi-transmissive material, that is, a part of light is reflected and the other part is transmitted. The blocking plate 400 may be selectively formed by a half mirror or electricity. It may also be implemented with a Polymer Dispersed Liquid Crystal (PDLC) that changes to transparent or opaque.

In this case, the main image panel 100 may be formed as a curved surface that is convex to the outside, or may be a curved curved panel, the light source 230 is a light guide plate 231 which provides light by diffusing the light of the light source 230 is the main The barrier panel 400 overlaps the rear surface of the image panel 100 and overlaps the rear surface of the light guide plate 231.

In the multi display apparatus according to another exemplary embodiment configured as described above, when the light source 230 provides light to the main image panel 100 through the light guide plate 231, the viewer may view a two-dimensional image displayed on the main image panel 100. You can watch.

At this time, since the stereoscopic image unit 250 disposed on the rear surface of the blocking plate 400 is not in operation, the viewer may view only the two-dimensional image displayed on the main image panel 100.

On the other hand, when the operation of the light source 230 is stopped and the stereoscopic image unit 250 is operated, the sub image panel 253 displays an image corresponding to each side of the image composite body 251, and the image is displayed on each side. Projected by the viewer may view a three-dimensional stereoscopic image synthesized by the image synthesizer 251 through the main image panel 100.

Here, when the stereoscopic image unit 250 is operated, the bright image is reproduced from the stereoscopic image unit 250 disposed on the rear surface of the blocking plate 400, so that the viewer can view the stereoscopic image unit through the main image panel 100. The video provided at 250 may be viewed.

In addition, when the blocking plate 400 is implemented by PDLC, the blocking plate 400 may be selectively opaque and transparent, so that when the image of the main video panel 100 is viewed, the light of the light source 230 is changed to opaque. In order to view the two-dimensional image provided to the main image panel 100 in the form provided to the 100, and to view the three-dimensional stereoscopic image in the three-dimensional image unit 250 by changing the blocking plate 400 to transparent The 3D stereoscopic image provided may be viewed through the main image panel 100.

Meanwhile, in another embodiment, as in the embodiment, the viewer may provide a two-dimensional image provided by the three-dimensional image unit 250 and a two-dimensional image provided by the main image panel 100 together. 3D stereoscopic images can be synthesized and viewed.

Therefore, the multi display apparatus according to another embodiment of the present invention may selectively or together provide a two-dimensional image and a three-dimensional stereoscopic image according to the rotation of the rotating mechanism 200.

Although the embodiments of the present invention have been described above, the scope of the present invention is not limited thereto, and it is recognized that the present invention is easily changed and equivalent by those skilled in the art to which the present invention pertains. Includes all changes and modifications to the scope of the matter.

It can be used in various display industries such as game machine industry, medical device industry, and advertisement image industry.

Claims

The main body is formed with a viewing window for watching the image,

A main image panel provided in the viewing window to display a two-dimensional image;

A light source providing light to the main image panel;

A stereoscopic image unit for providing a three-dimensional stereoscopic image through the main image panel;

A rotation mechanism that rotates the positions of the light source and the stereoscopic image unit to be interchanged with each other to provide light of the light source to the main image panel or to provide a stereoscopic image of the stereoscopic image unit; and

And a controller for controlling the rotation of the rotating mechanism.
The method of claim 1,

The stereoscopic image unit

An image synthesizer formed of a semi-transparent body having a polygonal pyramid shape, and having an image projected on each side thereof synthesized therein to provide a three-dimensional stereoscopic image, and

And a sub image panel for projecting an image onto each surface of the image composite body.
The method of claim 2,

The sub image panel

The multi-display apparatus positioned on an upper portion of the image synthesizer and displaying an image corresponding to at least two or more surfaces except for the bottom surface of the image synthesizer on one screen is provided to the image synthesizer.
The method of claim 1,

The rotating mechanism

A rotating case partitioned into a space where the light source is located and a space where the stereoscopic image unit is located;

A drive motor for rotating the rotary case;

And a sensor for measuring the rotated state of the rotating case and providing the same to the controller.
The method of claim 1,

The rotating case

Formed into a cylindrical shape,

The main image panel

And a part of the rotating case formed to have a curved surface corresponding to the rotating case so as to overlap a rear surface of the main image panel.
The main body is formed with a viewing window for watching the image,

A main image panel provided in the viewing window to display a two-dimensional image;

A light source providing light to the main image panel;

A stereoscopic image unit for providing a three-dimensional stereoscopic image through the main image panel, and

And a blocking plate installed between the light source and the stereoscopic image unit to selectively provide or block a stereoscopic image of the stereoscopic image unit.
The method of claim 6,

The stereoscopic image unit

An image synthesizer formed of a semi-transparent body having a polygonal pyramid shape, and having an image projected on each side thereof synthesized therein to provide a three-dimensional stereoscopic image, and

And a sub image panel for projecting an image onto each surface of the image composite body.
The method of claim 7, wherein

The sub image panel

The multi-display apparatus positioned on an upper portion of the image synthesizer and displaying an image corresponding to at least two or more surfaces except for the bottom surface of the image synthesizer on one screen is provided to the image synthesizer.
The method of claim 7, wherein

The blocking plate

Multi-display apparatus characterized in that the PDLC is inverted to transparent and opaque by electricity.