KR20140053459A - Apparatus for providing stereo-scopic image having image converting function - Google Patents

Apparatus for providing stereo-scopic image having image converting function Download PDF

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Publication number
KR20140053459A
KR20140053459A KR1020120119370A KR20120119370A KR20140053459A KR 20140053459 A KR20140053459 A KR 20140053459A KR 1020120119370 A KR1020120119370 A KR 1020120119370A KR 20120119370 A KR20120119370 A KR 20120119370A KR 20140053459 A KR20140053459 A KR 20140053459A
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KR
South Korea
Prior art keywords
image
unit
liquid crystal
signal
display device
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Application number
KR1020120119370A
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Korean (ko)
Inventor
나종연
Original Assignee
주식회사 이랜텍
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Priority to KR1020120119370A priority Critical patent/KR20140053459A/en
Publication of KR20140053459A publication Critical patent/KR20140053459A/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/30—Image reproducers
    • H04N13/332—Displays for viewing with the aid of special glasses or head-mounted displays [HMD]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/30—Image reproducers
    • H04N13/356—Image reproducers having separate monoscopic and stereoscopic modes
    • H04N13/359—Switching between monoscopic and stereoscopic modes

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)

Abstract

The stereoscopic image providing apparatus according to the present invention is a stereoscopic image providing apparatus including an image display apparatus for displaying an image on a screen and a liquid crystal shutter eyeglass receiving a liquid crystal driving synchronization signal from the image display apparatus, The liquid crystal shutter eyeglass includes a spectacle side receiving portion for receiving a signal from the image display device, a frame portion to which the left and right liquid crystal is coupled, a spectacle leg portion coupled to both ends of the frame portion, A power supply unit for supplying power to the left and right liquid crystal and control unit; a switch unit for activating the power supply unit; and a transmission unit for transmitting the power supply unit to the image display device when the power supply unit is activated Wherein the image display device includes a display device receiving unit for receiving a signal from the transmitting unit, And the image display apparatus is configured to convert a two-dimensional image into a three-dimensional image when the switching unit receives the on-signal from the display unit.
According to the present invention, when a stereoscopic image providing apparatus such as a TV receives a power-on signal of the liquid crystal shutter glasses, it is converted into a three-dimensional image image from a two-dimensional image, When the off signal is received, the three-dimensional image is converted into a two-dimensional image.

Description

TECHNICAL FIELD [0001] The present invention relates to a stereoscopic image providing apparatus,

[0001] The present invention relates to a stereoscopic image providing apparatus, and more particularly, to a stereoscopic image providing apparatus which is configured to convert an image of a video display apparatus from a two-dimensional image to a three- The present invention relates to an image providing apparatus.

2. Description of the Related Art Generally, a stereoscopic image display device is a device for digitally sampling an image signal transmitted from a video card and displaying an image through a series of signal processing.

In a stereoscopic image display apparatus, a scanning method of an image signal is classified into a progressive scanning method, a non-interlaced scanning method, and an interlaced scanning method.

In the progressive scan method, an image of one frame is composed of one field image, whereas in the interlaced scanning method, an image of one frame is usually composed of two field images.

In recent years, TVs, monitors, and the like, which are configured to provide a two-dimensional image or a three-dimensional image by selecting a viewer in a state in which a two-dimensional image and a three-dimensional image are provided together, have been developed and distributed.

On the other hand, the three-dimensional stereoscopic image technique generally uses a binocular parallax, which is the largest factor for recognizing the stereoscopic effect at a short distance, to feel the stereoscopic effect of the object.

As a method for viewing stereoscopic images, 3D glasses are typically used.

The method of wearing the 3D glasses includes an anaglyph method in which blue and red sunglasses are used in both eyes, a polarization method in which polarizing glasses having different polarization directions are used, and a time- And a liquid crystal shutter glasses system (or a time division system) in which glasses equipped with liquid crystal shutters synchronized with each other are used.

Here, the method of viewing a stereoscopic image using the liquid crystal shutter glasses is a method of repeatedly turning on and off driving the left and right liquid crystal to make the user feel stereoscopic effect.

In the case of watching a stereoscopic image through the liquid crystal shutter glasses, there is a case where the glasses are worn by turning on the power of the liquid crystal shutter glasses while the TV is turned on and the case where the liquid crystal shutter glasses are powered on, I turn on and wear glasses.

In any case, turning on the liquid crystal shutter glasses when the TV is turned on is the viewer's intention to view the three-dimensional image. Turning off the liquid crystal shutter glasses means that the viewer intends not to view the three- Can be seen as.

An object of the present invention is to provide a stereoscopic image providing apparatus having a stereoscopic image providing apparatus, which is configured to convert a two-dimensional image into a three-dimensional image when receiving a signal powered on by a liquid crystal shutter eyeglass in a stereoscopic image providing apparatus, .

It is still another object of the present invention to provide a stereoscopic image providing apparatus having a stereoscopic image providing apparatus, which is configured to convert a three-dimensional image into a two-dimensional image when a power- .

According to an aspect of the present invention, there is provided an apparatus for providing a stereoscopic image having a video switching function, including: an image display device for displaying an image on a screen; a liquid crystal shutter for receiving a liquid crystal driving synchronization signal from the image display device; The liquid crystal shutter glasses according to claim 1, wherein the liquid crystal shutter glasses comprise: a spectacle side receiving part for receiving a signal from the image display device; a frame part to which the left and right liquid crystal are coupled; a pair of glasses legs coupled to both ends of the frame part; A power supply unit for supplying power to the left and right liquid crystal and control unit; a switch unit for activating the power supply unit; and a control unit for controlling the power supply unit, And a transmission unit for transmitting a signal to the apparatus, wherein the image display apparatus includes a display for receiving a signal from the transmission unit Wherein the image display apparatus is configured to convert a two-dimensional image into a three-dimensional image when the switch unit receives the on-signal from the display unit receiving unit, .

In addition, when receiving the signal that the switch unit is turned off in the display apparatus receiving unit during the provision of the three-dimensional image in the image display apparatus, the image of the image display apparatus is changed from the three- .

According to the present invention, when a stereoscopic image providing apparatus such as a TV receives a powered-on signal of a liquid crystal shutter eyeglass, the two-dimensional image is converted into a three-dimensional image.

In addition, when the stereoscopic image providing apparatus receives a signal in which the power of the liquid crystal shutter glasses is turned off, it is converted into a two-dimensional image image from the three-dimensional image.

BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the invention.
1 is a configuration diagram of a stereoscopic image providing apparatus having a video switching function according to the present invention.

Hereinafter, the configuration of the present invention will be described in detail with reference to the accompanying drawings.

Prior to this, the terms used in the specification and claims should not be construed in a dictionary sense, and the inventor may, on the principle that the concept of a term can be properly defined in order to explain its invention in the best way And should be construed in light of the meanings and concepts consistent with the technical idea of the present invention.

Therefore, the embodiments shown in the present specification and the drawings are only exemplary embodiments of the present invention, and not all of the technical ideas of the present invention are presented. Therefore, various equivalents It should be understood that water and variations may exist.

1 is a configuration diagram of a stereoscopic image providing apparatus having a video switching function according to the present invention.

Referring to FIG. 1, a stereoscopic image providing apparatus having an image switching function according to the present invention includes an image display apparatus 100 for displaying an image on a screen, a liquid crystal display unit 100 for receiving a liquid crystal driving synchronization signal from the image display apparatus 100, A stereoscopic image providing apparatus including shutter glasses is characterized in that the liquid crystal shutter glasses are provided with a spectacle side receiving section 16 which receives a signal from the image display apparatus 100 and a left eye right eye liquid crystal 12, A control unit 25 for driving and controlling the left and right eye liquid crystals 12 and 14 and a control unit 25 for controlling the left and right eye liquid crystals 12 and 14. The control unit 25 includes a frame unit 10, A power supply unit 27 for supplying power to the right eye liquid crystal and control unit 25 and a switch unit 30 for turning on and off the power supply unit 27. When the power supply unit is activated, And the image display device (100) includes a display unit And a display device receiving unit 130 for receiving a signal from the transmitting unit 40. When the switch unit 30 receives an on signal from the display device receiving unit 130, And the image of the image display apparatus 100 is converted from a two-dimensional image to a three-dimensional image.

The image display apparatus 100 is a device such as a TV or a monitor capable of selectively displaying a two-dimensional image and a three-dimensional image.

The two-dimensional image and the three-dimensional image are provided to the image display device 100 such as the TV or the monitor. The two-dimensional image and the three-dimensional image can be selectively viewed by the viewer.

The image display apparatus 100 includes a screen unit 105 for displaying an image, a power switch 110, a power supply unit (not shown), and a controller.

The image display device 100 includes a display device transmitter 120 for transmitting a liquid crystal drive synchronization signal to the liquid crystal shutter glasses and a display device receiver 130 for receiving signals from the liquid crystal shutter glasses do.

The left and right liquid crystal panels 12 and 14 are driven by the driving synchronization signal of the liquid crystal emitted through the display device transmitter 120 to view the three-dimensional image.

The control unit 25 receives power from the power supply unit 27 and processes the image output from the image display device 100 to be viewed through the left and right liquid crystal displays 12 and 14 of the liquid crystal shutter glasses Lt; / RTI >

The control unit 25 includes a power switching unit for supplying power from the power supply unit 27 to the left and right liquid crystal panels 12 and 14 by shifting the power supply to the stepwise output power by a control signal, And a micro control unit (MCU) for controlling the driving of the switching unit.

Here, the light transmittance of the left and right liquid crystals 12 and 14 can be adjusted by the output power.

The left and right liquid crystal panels 12 and 14 are driven according to the power supplied through the power switching unit so that images are displayed on the left and right eyes, respectively.

The left and right liquid crystals 12 and 14 are driven by a supplied voltage. When the supply voltage is greater than the liquid crystal driving voltage, the left and right liquid crystals 12 and 14 are driven. The left and right liquid crystal molecules 12 and 14 are not driven.

If the supply voltage is greater than the liquid crystal driving voltage, the transmittance of the left and right liquid crystal cells 12 and 14 can be controlled by the value of the supply voltage. As the relatively large voltage is supplied, And 14, and the transmittance of the left and right liquid crystals 12 and 14 increases as a relatively small voltage is supplied.

The liquid crystal shutter glasses include a switch unit 30 for turning on and off the power supply unit 27. When the liquid crystal shutter glasses are to be used, the switch unit 30 is turned on to supply power And when the liquid crystal shutter glasses are not used, the switch unit 30 is turned off to stop power supply.

Here, when the switch unit 30 is turned on / off, whether the switch unit 30 is turned on or off is transmitted to the video display device 100 through a short distance communication including an RF signal or infrared communication through the transmission unit 40 .

1, the switch unit 30 and the light emitting unit 40 may be disposed on the side of the frame unit 10 or the eyeglass leg unit 20, but not limited thereto, But may be disposed at various positions.

In addition, although the switch unit 30 shown in FIG. 1 is represented by a single circular switch, it is not limited thereto, and various configurations can be implemented.

When the switch unit 30 is turned on / off, this fact is transmitted as a signal through the transmission unit 40 and is received by the display device receiving unit 130 of the image display device 100, When the switch unit 30 receives the ON signal from the image display apparatus 100, the image of the image display apparatus 100 is converted from the two-dimensional image to the three-dimensional image.

This is because, when the switch unit 30 provided in the liquid crystal shutter glasses is turned on, it can be seen that the wearer of the glasses has an intention to view the three-dimensional image. In such a case, So that the image is converted into a three-dimensional image without any manipulation.

Meanwhile, when the switch unit 30 receives an off signal from the display device receiving unit 130 during the provision of the three-dimensional image in the image display device 100, the image display device 100 ) Is converted from a three-dimensional image to a two-dimensional image.

The reason that the switch unit 30 provided in the liquid crystal shutter glasses is turned off is that the wearer of glasses is intending to view a two-dimensional image. In such a case, a separate image display apparatus 100 So that the two-dimensional image can be converted into a two-dimensional image without any manipulation.

While the present invention has been described with reference to the exemplary embodiments and the drawings, it is to be understood that the technical scope of the present invention is not limited to these embodiments and that various changes and modifications will be apparent to those skilled in the art. Various modifications and variations may be made without departing from the scope of the appended claims.

10: eyeglass frame part 12, 14: left and right eye liquid crystal
20: eyeglass leg 25:
27: power supply unit 30: switch unit
40: Signal generator 100: Video display device

Claims (2)

An image display device for displaying an image on a screen;
And a liquid crystal shutter eyeglass receiving the liquid crystal driving synchronization signal from the image display device,
In the liquid crystal shutter glasses,
A spectacle side receiving unit for receiving a signal from the image display device;
A frame part to which the left and right liquid crystals are coupled;
An eyeglass leg coupled to both ends of the frame portion;
A controller for driving and controlling the left and right liquid crystals;
A power supply unit for supplying power to the left and right liquid crystals and the control unit;
A switch unit for turning on / off the power supply unit;
And a transmitter for transmitting the power supply to the image display apparatus when the power supply unit is activated,
The video display device includes:
And a display device receiving unit for receiving a signal from the transmitting unit,
When the display unit receiving unit receives the signal that the switch unit is turned on,
Wherein the image of the image display apparatus is converted from a two-dimensional image to a three-dimensional image. The method according to claim 1,
When receiving a signal in which the switch unit is turned off in the display apparatus receiving unit during the provision of the three-dimensional image in the image display apparatus,
Wherein the image of the image display device is converted from a three-dimensional image to a two-dimensional image.


KR1020120119370A 2012-10-26 2012-10-26 Apparatus for providing stereo-scopic image having image converting function KR20140053459A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020120119370A KR20140053459A (en) 2012-10-26 2012-10-26 Apparatus for providing stereo-scopic image having image converting function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020120119370A KR20140053459A (en) 2012-10-26 2012-10-26 Apparatus for providing stereo-scopic image having image converting function

Publications (1)

Publication Number Publication Date
KR20140053459A true KR20140053459A (en) 2014-05-08

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