KR20120115642A - Display apparatus having a function of multi image display - Google Patents

Abstract

PURPOSE: A display device with a multi image display function is provided to alternatively display a plurality of images by time division, synchronize shutter type image watching glasses with each image, and classify each image. CONSTITUTION: A plurality of image receiving units(10) receive other selected image data respectively. A time division control unit(20) time-divides image data inputted from the image receiving units. A liquid crystal display unit(30) alternatively displays the time-divided images. A plurality of shutter type image watching glasses(40) are synchronized with a specific image among the displayed images. A user can watch only a specific image by the synchronization of the shutter type image watching glasses. [Reference numerals] (10) Image receiving unit; (12) Wire, wireless communication unit; (14) Image and voice data providing source; (20) Time-division control unit; (30) Liquid crystal display unit; (40) Image watching glasses; (42) Light shutter layer; (44) Image synchronization unit; (50) Voice receiving unit; (60) Image and voice synchronization unit; (70) Voice output unit; (72) Wire, wireless communication unit

Description

DISPLAY APPARATUS HAVING A FUNCTION OF MULTI IMAGE DISPLAY}

The present invention relates to a display apparatus having a multi-image display function, and more particularly, to a display apparatus having a multi-image display function for simultaneously viewing a plurality of images in the same size.

Recently, display devices of various technologies have been developed. Examples thereof include LED televisions, 3D televisions, and the like. In particular, in the case of 3D television, it is attracting a lot of attention because it can implement high quality 3D stereoscopic image.

However, such a conventional television has a disadvantage in that only one screen can be displayed, and there is a problem in that viewers can only watch one channel of broadcast.

Because of this problem, in order to simultaneously watch a plurality of channels of broadcasts, there is a drawback that a plurality of televisions must be provided.

On the other hand, in view of this, a Picture In Picture technology capable of simultaneously displaying two images has been developed and used.

This technique is a technique for simultaneously displaying a small sub-screen on a large main screen, and simultaneously displaying two images. Thus, it is possible to simultaneously watch broadcasts of two channels.

However, this conventional technology has a disadvantage in that the main screen is covered by the sub screen because the sub screen of the small size is superimposed on the large main screen, and this disadvantage is very inconvenient to watch the main screen. There is a problem.

In addition, the prior art has a disadvantage that the size of the sub-screen is small, there is a problem that it is very inconvenient to watch the sub-screen due to this disadvantage.

In addition, the conventional picture-in-picture technology has a disadvantage in that the audio signal of the display device is output in accordance with the main screen, and thus the audio information of the sub-screen cannot be listened to. It is pointed out that there is a problem to be provided.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned conventional problems, and an object thereof is to provide a display apparatus having a multi-image display function capable of simultaneously displaying a plurality of images in the same size without "screen obstruction". There is.

Another object of the present invention is to provide a display apparatus having a multi-image display function capable of simultaneously providing the corresponding audio information of each image to a viewer of the image.

Another object of the present invention is to display a plurality of images at the same size at the same time, and to provide the corresponding audio information of each video to the viewer of the video, thereby reducing the loss of video and audio The present invention provides a display device having a multi-image display function that enables simultaneous viewing without using.

A display device having a multi-image display function of the present invention for achieving the above object comprises: a plurality of image receivers for receiving different image data selected by each user; A time division controller for time division of the image data inputted from the image receivers; A liquid crystal display for alternately displaying a plurality of time-divided images by the time division controller with a time difference; Among the images alternately displayed in the liquid crystal display unit is characterized in that it comprises a plurality of shutter-type eyeglasses that can be viewed in synchronization with a particular image to distinguish only a specific image.

Preferably, each of the shutter-type image viewing glasses, the optical shutter film for opening and closing the eyeglasses, the display time of the particular image among the images alternately displayed on the liquid crystal display and the opening time of the eyeglasses can be synchronized. It characterized in that it comprises an image synchronization unit for controlling the optical shutter so that.

Each of the shutter-type image viewing glasses includes a left and right eyeglasses, and the image synchronization unit controls the optical shutter film of the left and right eyeglasses so that the left and right eyeglasses can be opened and closed at the same time.

A plurality of audio receivers capable of receiving audio data corresponding to the video data received from the respective video receivers; An image and voice synchronization unit for synchronizing both of the voice data received from the voice receiver and image data corresponding thereto with each other so as to match each other; And audio output units for outputting the audio data synchronized to the respective image data to the wearer of the viewing glasses watching the corresponding video.

According to the display apparatus having the multi-image display function according to the present invention, a plurality of images are time-divisionally displayed alternately, and the shutter-type glasses are synchronized with each image, and then each image can be divided and enjoyed. Since the structure allows a plurality of images to be viewed at the same size at the same time, there is an effect.

In addition, since a plurality of images can be simultaneously viewed in the same size, it is possible to simultaneously watch a plurality of channels on a single display device.

In addition, by selecting a variety of video and audio data providing source, there is also an effect that can simultaneously view a variety of video information as well as a specific channel of the broadcast station.

Further, since the corresponding audio information of each video data is received, the received audio information is provided to the viewer of the corresponding video, so that both the video information and the audio information can be provided to the viewer.

1 is a block diagram showing the configuration of a display device having a multi-image display function according to the present invention;
2 is a view showing an operation example of a display device having a multi-image display function according to the present invention.

Hereinafter, a preferred embodiment of a display device having a multi-image display function according to the present invention will be described in detail with reference to the accompanying drawings.

First, referring to FIG. 1, a display apparatus having a multi-image display function of the present invention (hereinafter, abbreviated as "display apparatus") is provided with a plurality of image receivers 10.

The image receivers 10 are configured to receive different image data respectively selected by the viewers.

Here, the video receivers 10 are connected to a video and audio data providing source 14 through a wired or wireless communication means 12, for example, a terrestrial / cable broadcasting station, a DVD player, a DIVX player, a Blu-ray player, or the like. .

The video receivers 10 connected in this way are configured to receive video data provided from the video and audio data providing source 14, respectively. That is, it is configured to receive video data of a specific channel provided from a terrestrial cable cable station, video data provided from a DVD player, video data provided from a DIVX player, video data provided from a Blu-ray player, and the like.

In the drawing of the present invention, the image receiving unit 10 is shown as two. Hereinafter, the two image receivers 10 will be described as an example.

Referring back to FIG. 1, the display device of the present invention includes a time division controller 20.

The time division controller 20 time-divisions the image data input from each of the image receivers 10 and then alternately transmits the time-divided image data to the liquid crystal display unit 30 alternately.

Therefore, the two images may be alternately displayed on the liquid crystal display 30 with a fine time difference.

In addition, the display device of the present invention includes image viewing glasses 40 capable of viewing each image displayed on the liquid crystal display unit 30.

The image viewing glasses 40 have a shutter type and include an optical shutter film 42 and an image synchronization unit 44.

The optical shutter film 42 is provided at the same time as the left and right eyeglasses of the video viewing glasses 40, and simultaneously opens and closes the left and right eyeglasses.

The image synchronizer 44 alternates the display viewpoint of the image viewing glasses 40 such that the display time of the specific image and the opening time of the specific viewing glasses 40 may be synchronized among the displayed images alternately displayed on the liquid crystal display unit 30. The optical shutter film 42 is controlled.

Therefore, the specific image displayed on the liquid crystal display unit 30 can be confirmed through the specific image viewing glasses 40. As a result, a viewer wearing the specific viewing glasses 40 may view a specific image of the liquid crystal display unit 30.

As a result, as shown in FIG. 2, different images A and B displayed on the liquid crystal display unit 30 can be simultaneously viewed through the image viewing glasses 40 synchronized with each image A and B. FIG. To be. As a result, even one liquid crystal display unit 30 can simultaneously view a plurality of different screens.

Referring back to FIG. 1, the display device of the present invention includes a plurality of voice receivers 50.

The voice receivers 50 are connected to the video and audio data providing source 14 through wired and wireless communication means 12.

These audio receivers 50 are configured to receive audio data provided from the video and audio data providing source 14.

In addition, the display apparatus of the present invention includes a video and audio synchronization unit 60.

The video and audio synchronization unit 60 synchronizes the video data received from the video and audio data providing source 14 and the audio data corresponding thereto. Therefore, the image data and the audio data can be matched with each other.

In addition, the display apparatus of the present invention includes audio output units 70 for outputting audio data synchronized to each image data to a wearer of the viewing glasses 40 for viewing the corresponding image.

The audio output unit 70 is composed of headphones that the viewer can wear on the head, or earphones that can be worn on the ear, and is connected to the video and audio synchronization unit 60 through wired or wireless communication means 72. do.

The audio output units 70 connected as described above output the audio data synchronized with each image data by the image and voice synchronization unit 60 to the wearers of the image viewing glasses 40 watching the corresponding images.

Therefore, the corresponding audio information is provided to the viewer who views each image. This allows each viewer to simultaneously view and listen to the video information and the audio information.

On the other hand, such audio output unit 70, as shown in Figure 2, it is preferable to be integrally installed on the viewing glasses 40.

In addition, the voice output units 70 may be connected to the display apparatus main body 90 through "wireless communication means" rather than "wired communication means". In particular, it is preferable to use "near field communication", for example, Bluetooth technology, among the "wireless communication means".

The Bluetooth technology is composed of a wireless transmitter (not shown) installed in the display apparatus main body 90 and a wireless receiver (not shown) installed in the voice output unit 70. Regardless of distance, voice data can be transmitted and received efficiently. Since the Bluetooth technology is already known, a detailed description thereof will be omitted.

Next, an operation example of the present invention having such a configuration will be described with reference to FIGS. 1 and 2.

First, a plurality of users wear image viewing glasses 40 each having different synchronization characteristics.

Then, the user selects the video and audio data providing source 14 to be watched. For example, terrestrial and cable stations, DVD players, DIVX players, Blu-ray players, and the like are selected.

Then, the plurality of image receivers 10 installed in the display apparatus main body 90 respectively receive the image data transmitted from the corresponding sources 14.

The image data received by the image receivers 10 are input to the time division controller 20. In this case, the image data input to the time division controller 20 are time-divisionally transmitted to the liquid crystal display unit 30 alternately with a fine time difference.

The liquid crystal display 30 receiving the image data alternately displays a plurality of images with a fine time difference according to the time-divided image data.

In this case, the optical shutter film 42 of the image viewing glasses 40 worn by each viewer is synchronized with the display time of each image A and B displayed on the liquid crystal display 30. As such, when each of the viewing glasses 40 is synchronized with each of the images A and B of the liquid crystal display unit 30, a viewer wearing the viewing glasses 40 may view the synchronized images.

On the other hand, the video and audio data providing source 14 simultaneously transmits audio data as well as video data.

The audio data transmitted from the video and audio data providing source 14 are received by the audio receivers 50 of the display apparatus main body 90, respectively.

The voice data received by the voice receivers 50 are input to the video and voice synchronizer 60 and synchronized with the corresponding video data.

The audio data synchronized with the video data is transmitted to the audio output unit 70 through the wired / wireless communication unit 72. And the voice data transmitted to the voice output unit 70 is output through the voice output unit 70.

In particular, the image viewing glasses 40 for viewing the synchronized image is output to the wearer. Therefore, the corresponding audio information is correctly provided to the viewer who views each image (A, B). Thus, each viewer is simultaneously provided with video information and audio information.

According to the present invention having such a configuration, a plurality of images (A, B) are time-divisionally displayed alternately, and the shutter-type viewing glasses 40 are synchronized with each of the images (A, B), and then each It is a structure that allows the user to view the images A and B separately. Therefore, a plurality of images can be simultaneously viewed in the same size.

In addition, since a plurality of images can be simultaneously viewed in the same size, broadcasts of a plurality of channels can be simultaneously viewed on a single display device. Therefore, as in the prior art, it is not necessary to have several televisions in order to simultaneously watch a plurality of channels of broadcasting.

Further, if the video and audio data providing source 14 is variously selected, for example, when one selects a specific channel of a terrestrial broadcasting station and the other selects a DVD player, the terrestrial broadcasting and DVD video are simultaneously displayed. You can also watch.

In addition, the display apparatus of the present invention has a structure of receiving the corresponding audio information of each video data and then providing the received audio information to the viewer of the video. Therefore, the viewer can provide both the video information and the audio information.

On the other hand, the present invention having such a configuration can also be applied to the 3D stereoscopic technology currently being developed and marketed.

In this case, instead of time-dividing the plurality of image data, the time division controller 20 time-divisions the left and right images of any one of the image data and alternately transmits them to the liquid crystal display unit 30.

The image synchronization unit 44 of the image viewing glasses 40 controls the optical shutter film 42 of the left and right eyeglasses, but alternately. In particular, the liquid crystal display 30 alternately synchronizes with the displayed left and right images.

Therefore, the left and right images through the left and right ophthalmic necks may alternately appear with a time difference. This allows the wearer of the image viewing glasses 40 to enjoy the 3D stereoscopic image.

In addition, in the present invention, the image receiving unit 10 is composed of two, and the liquid crystal display unit 30 alternately expresses two images A and B, so that two images can be simultaneously viewed. Although described, by controlling the number of the image receiving unit 10 and controlling the number of images displayed on the liquid crystal display unit 30 accordingly, two or more images may be simultaneously viewed.

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 embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the invention.

10: video receiver 12: wired and wireless communication means
14: video and audio data providing source 20: time division controller
30: liquid crystal display 40: video viewing glasses
42: optical shutter film 44: video synchronization unit
50: voice receiver 60: video and voice synchronization unit
70: audio output unit 72: wired and wireless communication means
90: display device main body

Claims (7)

A plurality of image receivers 10 respectively receiving different image data selected by respective users;
A time division controller 20 for time division of image data input from the image receivers 10;
A liquid crystal display unit 30 for alternately displaying a plurality of time-division images A and B by the time division controller 20 at different time intervals;
Among the images (A, B) displayed alternately on the liquid crystal display unit 30 is characterized in that it comprises a plurality of shutter-type image viewing glasses 40 that can be viewed by distinguishing and viewing only a specific image. A display device having a multi-image display function. The method of claim 1,
Each of the shutter-type image viewing glasses 40,
The optical shutter film 42 for opening and closing the spectacles and the optical shutter film 42 so as to synchronize the display time of the specific image and the opening point of the spectacles in the images alternately displayed on the liquid crystal display 30. Display apparatus having a multi-image display function, characterized in that it comprises a video synchronization unit (44) for controlling. The method of claim 2,
Each of the shutter-type image viewing glasses 40,
A left and right eyeglasses, and the image synchronization unit 44 controls the optical shutter film 42 of the left and right eyeglasses so that the left and right eyeglasses can be opened and closed at the same time. Display device having a. The method of claim 1,
A plurality of audio receivers 50 capable of receiving audio data corresponding to the video data received by the video receivers 10, respectively;
An image and voice synchronization unit 60 for synchronizing both with each other so that the voice data received by the voice receiver 50 and the image data corresponding thereto can be matched with each other;
And a voice output unit (70) for outputting voice data synchronized to each of the image data to a wearer of the viewing glasses (40) for viewing the corresponding image. The method of claim 4, wherein
The voice output unit 70,
Display device having a multi-image display function, characterized in that any one of the headphone that the user can wear on the head, the earphone can be worn on the ear. 6. The method of claim 5,
The voice output unit 70,
Display apparatus having a multi-image display function, characterized in that for receiving the voice data wirelessly via a wireless communication means. 7. The method according to any one of claims 1 to 6,
And a video and audio data providing source 14 for providing the video and audio data to the video receiver 10 and the audio receiver 50.
The video and audio data providing source 14 may include a terrestrial broadcaster, a cable broadcaster, a DVD player, a DIVX player, and a Blu-ray player, at least two of which are selected by a user to provide different video and audio data. Display apparatus having a multi-image display function, characterized in that for transmitting to the image receiver (10) and the voice receiver (50).

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