WO2012044130A4 - 배리어를 이용하는 3d 디스플레이 장치 및 그 구동 방법 - Google Patents
배리어를 이용하는 3d 디스플레이 장치 및 그 구동 방법 Download PDFInfo
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- WO2012044130A4 WO2012044130A4 PCT/KR2011/007287 KR2011007287W WO2012044130A4 WO 2012044130 A4 WO2012044130 A4 WO 2012044130A4 KR 2011007287 W KR2011007287 W KR 2011007287W WO 2012044130 A4 WO2012044130 A4 WO 2012044130A4
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
- G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
- G02B30/26—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type
- G02B30/30—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type involving parallax barriers
- G02B30/31—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type involving parallax barriers involving active parallax barriers
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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
- H04N13/349—Multi-view displays for displaying three or more geometrical viewpoints without viewer tracking
- H04N13/354—Multi-view displays for displaying three or more geometrical viewpoints without viewer tracking for displaying sequentially
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
- G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
- G02B30/26—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type
- G02B30/27—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type involving lenticular arrays
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal cells
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/001—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes using specific devices not provided for in groups G09G3/02 - G09G3/36, e.g. using an intermediate record carrier such as a film slide; Projection systems; Display of non-alphanumerical information, solely or in combination with alphanumerical information, e.g. digital display on projected diapositive as background
- G09G3/003—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes using specific devices not provided for in groups G09G3/02 - G09G3/36, e.g. using an intermediate record carrier such as a film slide; Projection systems; Display of non-alphanumerical information, solely or in combination with alphanumerical information, e.g. digital display on projected diapositive as background to produce spatial visual effects
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
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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
-
- 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
- H04N13/302—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays
- H04N13/31—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays using parallax barriers
- H04N13/315—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays using parallax barriers the parallax barriers being time-variant
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/48—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using compressed domain processing techniques other than decoding, e.g. modification of transform coefficients, variable length coding [VLC] data or run-length data
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0209—Crosstalk reduction, i.e. to reduce direct or indirect influences of signals directed to a certain pixel of the displayed image on other pixels of said image, inclusive of influences affecting pixels in different frames or fields or sub-images which constitute a same image, e.g. left and right images of a stereoscopic display
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0261—Improving the quality of display appearance in the context of movement of objects on the screen or movement of the observer relative to the screen
Definitions
- the present invention relates to a 3D display device and a driving method thereof, and more particularly, to a 3D display device using a barrier so that 3D can be viewed without 3D glasses and a driving method thereof.
- a display device such as a TV is used.
- 3D display devices capable of viewing 3D image screens have also become popular.
- the 3D display device can be divided into a spectacular type or a non-spectacular type system depending on whether or not the 3D image viewing glasses are used.
- the shutter glass system is a system in which the left and right shutter glasses of the 3D glasses worn by the user are alternately opened and closed by interlocking with the left and right eye images so that the user can feel the stereoscopic feeling.
- the no-vision system is also called an autostereoscopy system.
- the non-eyeglass 3D display device displays images corresponding to images at different viewpoints on the left and right eyes of a viewer using a Parallax Barrier technique or a lenticular lens while displaying spatially shifted multi-view images. So that the user can feel a three-dimensional feeling.
- 1 is a view for explaining the operation of a conventional display device using a parallax barrier.
- the barrier 10 is disposed on one side of the display panel 20.
- the barrier 10 has a plurality of vertical line patterns.
- the odd line (a) and the even line (b) are driven alternately (ON) or OFF (OFF).
- the display panel 20 displays a frame in which the left eye image L and the right eye image R are alternately arranged in the column direction and then a frame arranged so that the positions of the left eye image and the right eye image are opposite to each other Display.
- the barrier 10 switches the driving of the odd-numbered line and the even-numbered line in accordance with the operation of the display panel 20. Accordingly, the left eye image is continuously incident on the left eye of the user, and the right eye image is continuously incident on the right eye, so that the user can feel the three-dimensional feeling.
- the non-spectacle system provides the multi-view image
- the crosstalk phenomenon in which the left eye image and the right eye image are mixed with each other may occur.
- a right eye image is projected on the left eye of the user and a right eye image is projected on the right eye according to the movement of the position, and a reverse phenomenon in which the left and right images are reversed may occur.
- a 3D display device includes a display panel unit for outputting a multi-view image, a barrier unit disposed on one side of the display panel unit, a light transmitting area and a light blocking area alternately As shown in FIG.
- the barrier portion may include a liquid crystal layer, a plurality of upper electrodes continuously arranged while being spaced apart from each other on the upper surface of the liquid crystal layer, and a plurality of lower electrodes continuously arranged while being spaced apart from each other on the lower surface of the liquid crystal layer.
- the 3D display apparatus may further include an image sensing unit for sensing a user and a position sensing unit for sensing a position of the user using data sensed by the sensing unit.
- the controller may sequentially drive the plurality of upper electrodes and the plurality of lower electrodes so that, when the position of the user sensed by the position sensing unit is shifted, the position of the light transmission region is shifted according to the movement direction have.
- Each of the plurality of upper electrodes and the plurality of lower electrodes may be disposed such that a predetermined region overlaps the liquid crystal layer.
- the barrier part may include a first upper electrode connection part formed on one side of the plurality of upper electrodes and electrically connecting odd-numbered upper electrodes of the plurality of upper electrodes to each other, A second upper electrode connection part electrically connecting even-numbered upper electrodes among the plurality of upper electrodes, and a second upper electrode connection part formed on one side of the plurality of lower electrodes, wherein odd-numbered lower electrodes of the plurality of lower electrodes are electrically connected to each other And a second lower electrode connection portion formed on the other side of the plurality of lower electrodes and electrically connecting even-numbered lower electrodes among the plurality of lower electrodes electrically.
- the control unit supplies driving signals to one of the first upper electrode connection unit, the second upper electrode connection unit, the first lower electrode connection unit, and the second lower electrode connection unit so as to ground the remaining electrode connection units sequentially Can be performed.
- the plurality of upper electrodes may include upper common electrodes repeatedly disposed and first upper electrodes and second upper electrodes alternately arranged between the upper common electrodes.
- the plurality of lower electrodes may include lower common electrodes arranged repeatedly and first lower electrodes and second lower electrodes alternately arranged between the lower common electrodes,
- the lower common electrodes are arranged at different positions so as not to overlap each other with the liquid crystal layer interposed therebetween, and the first upper electrode and the second upper electrode are located at positions facing the lower common electrodes with the liquid crystal layer interposed therebetween And the first lower electrode and the second lower electrode may be disposed at positions facing the upper common electrodes with the liquid crystal layer interposed therebetween.
- the controller may supply driving signals to one of the first upper electrode, the second upper electrode, the first lower electrode, and the second lower electrode, while the other electrodes, the upper common electrode, and the lower common electrode
- the position of the light transmission region of the liquid crystal layer can be shifted according to the position of the user.
- the barrier portion includes a first upper electrode connection portion for electrically connecting the first upper electrodes on the upper surface of the liquid crystal layer, a second upper electrode connection portion electrically connecting the second upper electrodes on the upper surface of the liquid crystal layer A first lower electrode connection part electrically connecting the first lower electrodes on the lower surface of the liquid crystal layer, a second lower electrode connection part electrically connecting the second lower electrodes on the lower surface of the liquid crystal layer, And may further include a lower electrode connection portion.
- the upper common electrodes are connected to each other in a meander shape between the first upper electrodes and the second upper electrodes
- the lower common electrodes are connected between the first lower electrodes and the second lower electrodes Can be connected to each other in a meander form.
- the display panel unit may sequentially display the first frame and the second frame, and the control unit may control the display timing of the first frame and the second frame such that the light transmission region and the light blocking region Lt; / RTI >
- the 3D display apparatus may further include an image sensing unit for sensing a user and a position sensing unit for sensing a position of the user using data sensed by the sensing unit.
- the control unit may reverse the positions of the light transmitting region and the light blocking region of the barrier unit when the user moves from the normal viewing area to the reverse viewing area.
- the control unit controls the input timing of the driving signal to be applied to the electrodes to be driven among the plurality of upper electrodes and the plurality of lower electrodes,
- the driving period of the barrier portion can be shifted by half a period.
- control unit can increase the size of the light transmitting region.
- the 3D display device includes a plurality of subpixels constituting the pixels of the left eye image and a plurality of subpixels constituting the pixels of the right eye image to form a first frame and a second frame, As shown in FIG.
- the frame processing unit divides the R, G, and B subpixels constituting the pixels of the left eye image and the r, g, and b subpixels constituting the pixels of the right eye image into the first frame and the second frame, And combines them into new pixels to construct the first frame and the second frame.
- the control unit may perform a version of the vertical line in which the plurality of upper electrodes and the plurality of lower electrodes provided in the barrier unit are grouped by vertical lines to apply driving signals of different polarities to each other .
- control unit may perform inversion of one of a frame in version, a vertical line version, a horizontal line version, and a dot inversion in at least one frame unit cycle.
- a method of driving a 3D display device including: outputting a multi-view image through a display panel; a liquid crystal layer; a plurality of And the plurality of upper electrodes and the plurality of lower electrodes are alternately formed in a barrier portion having a plurality of lower electrodes continuously disposed while being spaced apart from each other on the lower electrode of the liquid crystal layer, And a driving step of applying a driving signal to at least one of the lower electrodes.
- the driving method further includes sensing a user and sensing the position of the user using the sensed data.
- the driving step may sequentially drive the plurality of upper electrodes and the plurality of lower electrodes so that the position of the light transmission region is shifted according to the movement direction when the position of the user is shifted.
- Each of the plurality of upper electrodes and the plurality of lower electrodes may be disposed such that a predetermined region overlaps the liquid crystal layer.
- the driving step may include supplying the driving signal to one of the first upper electrode connecting portion, the second upper electrode connecting portion, the first lower electrode connecting portion, and the second lower electrode connecting portion provided in the barrier portion, Can be sequentially performed.
- the first upper electrode connection portion is formed on one side of the plurality of upper electrodes, and electrically connects the odd-numbered upper electrodes among the plurality of upper electrodes
- the second upper electrode connection portion connects the odd- Numbered upper electrodes of the plurality of upper electrodes are electrically connected to each other
- the first lower electrode connection portion is formed on one side of the plurality of lower electrodes
- the second lower electrode connection portion is formed on the other side of the plurality of lower electrodes so that the even lower electrodes among the plurality of lower electrodes can be electrically connected to each other.
- the plurality of upper electrodes may include upper common electrodes repeatedly disposed and first upper electrodes and second upper electrodes alternately arranged between the upper common electrodes.
- the plurality of lower electrodes may include lower common electrodes repeatedly disposed, and first lower electrodes and second lower electrodes alternately arranged between the lower common electrodes.
- the upper common electrodes and the lower common electrodes may be arranged at different positions so as not to overlap each other with the liquid crystal layer interposed therebetween, and the first upper electrode and the second upper electrode may be arranged between the liquid crystal layer And the first lower electrode and the second lower electrode may be disposed at positions facing the upper common electrodes with the liquid crystal layer interposed therebetween.
- the driving step may include supplying driving signals to one of the first upper electrode, the second upper electrode, the first lower electrode, and the second lower electrode so that the remaining electrodes, the upper common electrode, The operation of grounding the electrodes may be repeatedly performed to shift the position of the light transmission region of the liquid crystal layer according to the position of the user.
- the barrier portion may include a first upper electrode connection portion for electrically connecting the first upper electrodes on the upper surface of the liquid crystal layer, a second upper electrode connection portion for electrically connecting the second upper electrodes on the upper surface of the liquid crystal layer, A connection part, a first lower electrode connection part electrically connecting the first lower electrodes on the lower surface of the liquid crystal layer, and a second lower electrode connection part electrically connecting the second lower electrodes on the lower surface of the liquid crystal layer can do.
- the upper common electrodes are connected to each other in a meander shape between the first upper electrodes and the second upper electrodes, and the lower common electrodes are connected between the first lower electrodes and the second lower electrodes Can be connected to each other in a meander form.
- the method includes a first frame in which the left eye image and the right eye image are alternately arranged in the first order in the column direction, and a second frame in which the left eye image and the right eye image are alternately arranged in the second order in the column direction And generating a second frame.
- the output step sequentially displays the first frame and the second frame, and in the driving step, the light transmitting area and the light blocking area are interlocked with the display timings of the first frame and the second frame, Lt; / RTI >
- the method includes the steps of capturing a user, sensing the position of the user using the sensed data, and, when a movement of the user is detected, And reversing the positions of the light transmitting region and the light blocking region.
- the input timing of the driving signal to be applied to the electrodes to be driven among the plurality of upper electrodes and the plurality of lower electrodes is gradually delayed according to the moving speed of the user, And shifting the driving period by half a period.
- the method may further include the step of increasing the size of the light transmitting region.
- the generating of the multi-view image may include combining a plurality of subpixels constituting the pixels of the left eye image and a plurality of subpixels constituting the pixels of the right eye image to generate the first frame and the second frame, Can be configured.
- the generating of the multi-view image may include generating R, G, and B subpixels constituting the pixels of the left eye image and r, g, and b subpixels constituting the pixels of the right eye image, And the first frame and the second frame may be configured to be dispersed in the second frame and combined with a new pixel.
- the method may further include performing a version of the plurality of upper electrodes and the plurality of lower electrodes included in the barrier unit, each of which is a vertical line for grouping a plurality of vertical lines and applying driving signals of different polarities to each other You may.
- the method may further include performing at least one of the in-frame version, the vertical line version, the horizontal line version, and the dot-in version in at least one frame unit cycle.
- a user can effectively view 3D contents without 3D glasses.
- FIG. 1 is a view for explaining the operation of a general non-spectacle type system
- FIG. 2 is a block diagram showing the configuration of a 3D display device according to an embodiment of the present invention
- FIGS. 3 and 4 are block diagrams showing the structure of a barrier section according to an embodiment of the present invention.
- 5 and 6 are views for explaining a method of driving a barrier part in a 3D display device according to an embodiment of the present invention
- FIG. 7 is a view for explaining a process of shifting a light transmission region using a barrier portion having the structure as shown in FIG. 3;
- FIG. 8 is a block diagram showing a configuration of a 3D display device according to another embodiment of the present invention.
- FIG. 9 is a block diagram showing a configuration of a barrier unit according to another embodiment of the present invention.
- FIG. 10 is a diagram for explaining a method of driving the barrier portion of FIG. 9,
- FIG. 11 is a view showing a planar structure of the barrier portion of Fig. 9,
- Figures 14-16 illustrate pixels of an output image constructed in various manners
- 17 is a diagram for explaining a process of reversing the barrier portion driving state in the 3D display device according to another embodiment of the present invention.
- 19 is a diagram showing a liquid crystal response state when the driving of the barrier portion is delayed
- 20 is a diagram showing a liquid crystal response state of a barrier portion in which a light transmission ratio of a barrier portion is increased
- FIGS. 21 to 24 are diagrams for explaining various inversion methods
- 25 is a flowchart illustrating a method of driving a 3D display device according to various embodiments of the present invention.
- the 3D display device is a device for displaying the content in a 3D manner so that the user can feel a three-dimensional feeling.
- Various types of devices such as a TV, a monitor, a PC, a mobile phone, a laptop computer, a tablet PC, an electronic photo frame, an electronic book, a PDA, and the like can be implemented as a 3D display device.
- the 3D display apparatus includes a barrier unit 110, a display panel unit 120, and a control unit 130.
- the display panel unit 120 outputs a multi-view image.
- a multi-view image is an image obtained by combining images of the same subject at different angles.
- the left eye image and the right eye image may be alternately repeatedly arranged to form one image frame.
- four or more images may be combined to form one image frame.
- the multi-view image may be provided from an external source such as a broadcasting station, a web server, or the like, or may be provided from an internal or external storage medium, a playback apparatus, or the like.
- the barrier unit 110 is disposed on one side of the display panel unit 120 to selectively transmit light corresponding to a multi-view image.
- the barrier portion 110 may be disposed above or below the display panel portion 120. Accordingly, images of different viewpoints are incident on the left and right eyes of the user, and the user feels a three-dimensional feeling.
- the control unit 130 drives the barrier unit 110 so that a light transmission area and a light blocking area are formed in the barrier unit 110.
- the light transmitting region and the light shielding region are alternately repeatedly formed in the barrier portion 110.
- the barrier portion 110 may include a liquid crystal layer, a plurality of upper electrodes, and a plurality of lower electrodes.
- the upper electrodes are successively arranged while being spaced apart from each other on the upper surface of the liquid crystal layer and the lower electrodes are continuously arranged with being spaced apart from each other on the lower surface of the liquid crystal layer. Since the upper electrodes are spaced apart from each other, each upper electrode can be driven. In addition, since the lower electrodes are also spaced apart from each other, each lower electrode can be driven.
- the control unit 130 drives the barrier unit 110 in such a manner that a drive signal is applied to or applied to the upper electrode and the lower electrode. A potential difference is formed between the electrode to which the driving signal is applied and the grounded electrode, and the liquid crystal layer therebetween is turned on to form a light transmitting region. The liquid crystal layer region that is not turned on is turned off to become a light blocking region.
- the structure of the barrier portion 110 may be variously implemented.
- FIG. 3 shows a structure of the barrier portion 110 according to an embodiment of the present invention.
- the liquid crystal layer 111 is provided in a plate shape, and the upper electrode 112 is provided on the liquid crystal layer 111 and the lower electrode 113 is provided on the lower side.
- the upper electrode 112 and the lower electrode 113 are arranged so that a part of the upper electrode 112 and the lower electrode 113 overlap each other with the liquid crystal layer 111 interposed therebetween. 3, each of the lower electrode 113 and the upper electrode 112 are overlapped with each other by about half.
- the upper electrodes 112 may be electrically separated from each other and controlled by the controller 130. Some of the upper electrodes 112 may be electrically connected to each other and may be electrically connected to the plurality of upper electrodes 112 by the controller 130. [ May be controlled.
- the lower electrode 113 is also the same.
- Fig. 4 is a plan view showing an example of a connection pattern of the upper electrode 112.
- the upper electrodes of the odd-numbered lines are electrically connected to each other and the upper electrodes of the even-numbered lines are also electrically connected to each other.
- a portion where the odd-numbered upper electrodes are electrically connected to each other is referred to as a first upper electrode connection portion 114, and a portion that electrically connects even- (115).
- the first upper electrode connection part 114 is formed on one end side of the upper electrodes on the liquid crystal layer 111 and the second upper electrode connection part 115 is formed on the other end side of the upper electrodes on the liquid crystal layer 111.
- connection structure of the lower electrodes may be the same as that shown in FIG. That is, a lower electrode connection portion (not shown) is formed on the lower surface of the liquid crystal layer 111 to electrically connect the odd-numbered lower electrodes to one another while being formed on one side of the plurality of lower electrodes 113, And a second lower electrode connection part (not shown) may be provided on the opposite side of the first lower electrode connection part to electrically connect the even-numbered lower electrodes to each other.
- the control unit 130 supplies driving signals to one of the first upper electrode connection unit, the second upper electrode connection unit, the first lower electrode connection unit, and the second lower electrode connection unit to ground the remaining electrode connection unit,
- the blocking area can be determined. For example, when the control unit 130 applies a driving signal to the first upper electrode connection unit and grounds the second upper electrode connection unit, the first lower electrode connection unit, and the second lower electrode connection unit, Only the lower liquid crystal layer 111 portion of the odd-numbered upper electrode connected thereto is turned on, and the remaining portion is turned off.
- control unit 130 applies a driving signal to the first lower electrode connection unit and grounds the remaining electrode connection unit, only the upper liquid crystal layer 111 of the odd-numbered lower electrode, which is commonly connected to the first lower electrode connection unit, And the remaining part is turned off.
- the control unit 130 may sequentially perform the above operations to shift the position of the light transmission region or it may repeat the predetermined pattern to reverse the positions of the light transmission region and the light blocking region.
- the position of the light transmitting region can be finely adjusted.
- the upper electrode 112 and the lower electrode 113 may be embedded in the liquid crystal layer 111, as shown in FIG.
- a glass substrate 116 may be further provided on the upper surface of the liquid crystal layer 111 and a glass substrate 117 may be further provided on the lower surface.
- the driving signal applied to the odd-numbered upper electrode is V1
- the driving signal applied to the even-numbered upper electrode is V3
- the driving signal applied to the odd-numbered lower electrode is V2
- the driving signal applied to the even- Respectively
- the liquid crystal layer 111 region between the odd-numbered upper electrode and the odd-numbered lower electrode is referred to as?
- the liquid crystal layer region between the even-numbered upper electrode and the odd-numbered lower electrode is referred to as?
- the liquid crystal layer region between the liquid crystal layer region (3), the odd-numbered upper electrode and the even-numbered lower electrode is denoted by (4).
- FIG. 6 is a diagram for explaining the types of driving signals applied to the respective electrodes of FIG. 5, and the formation of a light transmitting region and a light blocking region.
- control unit 130 applies only V4 and turns off V1, V2, and V3, only the regions 3 and 4 become the light transmission region.
- the regions 1 and 4 become the light transmission region.
- control unit 130 sequentially performs the operation of connecting the driving signals to the respective electrode connection units, it is possible to move the position of the light transmission region in a direction.
- the upper electrode and the lower electrode are overlapped with each other by half, the effect of displaying the multi-view image by dividing one barrier portion 110 into four parts can be obtained.
- FIG. 7 illustrates a method of shifting a light transmission region in a 3D display device to which the barrier structure of FIG. 3 is applied.
- the left and right eyes of the user are defined based on the position of the 3D display device as opposed to the actual position.
- the image of the first column of the multi-view image displayed on the display panel unit 120 is recognized as a new left eye position L ' (R '). Accordingly, even if the user changes the position, the left eye and right eye images can be normally recognized and the three-dimensional effect can be felt.
- the upper electrode and the lower electrode may be implemented as an ITO (Indium Tin Oxide) transparent electrode so as not to block the light by itself.
- ITO Indium Tin Oxide
- FIG. 8 is a block diagram showing the configuration of a 3D display device according to another embodiment of the present invention.
- the 3D display apparatus includes a barrier unit 110, a display panel unit 120, a control unit 130, an image sensing unit 140, a position sensing unit 150, and a frame processing unit 160.
- the barrier unit 110 and the display panel unit 120 are configured to provide a multi-view image to the user to feel a three-dimensional feeling as described with reference to FIG. Descriptions overlapping with those in Fig. 2 are omitted in the description of these configurations.
- the imaging unit 140 images a user using the 3D display device.
- the image pickup unit 140 may be implemented by a camera.
- the position sensing unit 150 senses the position of the user using data sensed by the sensing unit 140. For example, the position sensing unit 150 divides an image frame captured by the image sensing unit 140 into a plurality of blocks. The position sensing unit 150 detects a representative value of each block. The representative value is a value representative of the characteristic of the block, and various values such as a pixel average value, a maximum pixel value, a minimum pixel value, and a total pixel value of the pixels in the block can be used as representative values.
- the position sensing unit 150 compares the detected representative values and concatenates the blocks sequentially arranged with a similar representative value, and recognizes the connected blocks as one object. Specifically, the face portion of the user can be recognized as an object.
- the position sensing unit 150 compares the previous frame with the current frame to search for objects matched to each other, and compares the positions of the searched objects to detect movement distances and directions. In this way, the position sensing unit 150 can sense the position movement state of the user.
- the frame processing unit 160 generates a multi-view image and provides the multi-view image to the display panel unit 120. 3, the frame processing unit 160 may generate a two-view image using the left eye image and the right eye image. A method of generating a two-view image will be described later.
- the control unit 130 controls the display panel unit 120 and the barrier unit 110 according to the result detected by the position sensing unit 150 so that images of different viewpoints are incident on the left and right eyes, ≪ / RTI > That is, the barrier unit 110 can be controlled so that the position of the light transmission region is shifted according to the moving direction of the user.
- the configuration of the barrier portion 110 may be as shown in FIGS. 3 and 4.
- FIG. The control unit 130 may drive the barrier unit 110 as shown in FIGS. 5 to 7 to shift the light transmission region.
- the barrier portion 110 may be implemented differently from that shown in Figs.
- the barrier 110 includes a liquid crystal layer 111, a plurality of upper electrodes 112-1, 112-2 and 112-c provided on one side of the liquid crystal layer, a plurality And lower electrodes 113-1, 113-2, and 113-c.
- the upper electrode includes upper common electrodes 112-c arranged repeatedly.
- a first upper electrode 112-1 and a second upper electrode 112-2 are alternately arranged between the upper common electrodes.
- the lower electrode also includes lower common electrodes 113-c repeatedly arranged, a first lower electrode 113-1 and a second lower electrode 113-2 alternately arranged between the lower common electrodes do.
- the upper common electrodes 112-c and the lower common electrodes 113-c are staggered so as not to overlap each other with the liquid crystal layer 111 interposed therebetween.
- the first upper electrode 112-1 and the second upper electrode 112-2 are disposed at positions facing the lower common electrode 113-c with the liquid crystal layer 111 interposed therebetween.
- the first lower electrode 113-1 and the second lower electrode 113-2 are disposed at positions facing the upper common electrode 112-c with the liquid crystal layer 111 interposed therebetween.
- Glass substrates 116 and 117 are provided on the upper and lower sides, respectively.
- a structure similar to that of the polarizing plate may be additionally provided, but the illustration and description thereof will be omitted.
- the controller 130 applies a driving signal to one of the first upper electrode 112-1, the second upper electrode 112-2, the first lower electrode 113-1 and the second lower electrode 113-2
- the remaining common electrodes and the upper common electrode and the lower common electrode may be grounded to form a light transmitting region in the liquid crystal layer 111.
- the control unit 130 can sequentially shift the driving operation to shift the light transmitting region.
- the control unit 130 may drive the barrier unit 110 as shown in FIG.
- FIG. 10 is a diagram showing an example of a method of driving a barrier portion having the structure shown in Fig. 9, the liquid crystal layer region between the first upper electrode 112-1 and the lower common electrode 113-c is referred to as an upper common electrode 112-c and the first lower electrode 113-1.
- the liquid crystal layer region between the second upper electrode 112-2 and the lower common electrode 113-c and the upper common electrode 112-c and the second lower electrode 113- 2) is assumed to be (4).
- the first region is turned on.
- a driving signal is supplied only to the first lower electrode 113-1, and all the remaining electrodes are grounded, so that the region (2) is turned on.
- driving signals are sequentially applied to the second upper electrode and the second lower electrode while the remaining electrodes are grounded, the regions 3 and 4 are sequentially turned on. As a result, the light transmitting region is shifted from the first region to the fourth region.
- the controller 130 drives the barrier unit 110 in the same manner as shown in FIG. 10, thereby enabling effective 3D viewing regardless of the user's positional movement.
- FIG. 11 is a view showing an example of the planar structure of the barrier portion 110 of FIG.
- the upper electrodes 112-1, 112-2, and 112-c and the lower electrodes 113-1, 113-2, and 113-c may be electrically separated and driven individually in FIG. 9, The electrodes may be electrically connected to each other to be driven together.
- a first upper electrode connection part 118 for electrically connecting the first upper electrodes to the upper surface of the liquid crystal layer 111, a second upper electrode connection part 118 for electrically connecting the second upper electrodes, A connecting portion 119 may be provided.
- the first and second upper electrode connection portions 118 and 119 may be disposed on opposite sides of the upper electrodes.
- the upper common electrodes may be connected in a meander form between the first upper electrodes and the second upper electrodes to form one common electrode.
- the electrodes are separated from each other and electrically isolated.
- Fig. 11 can be produced with respect to the upper side of the barrier portion 110, or the lower side with the same structure. That is, the lower surface of the liquid crystal layer 111 may be provided with a first lower electrode connection (not shown) for electrically connecting the first lower electrodes and a second lower electrode connection for electrically connecting the second lower electrodes.
- the lower common electrodes may be connected to each other in a meander form between the first lower electrodes and the second lower electrodes.
- the frame processor 160 may generate a 4-view image when the barrier unit 110 is provided.
- the frame processing unit 160 can generate four multi-view image frames by alternately arranging the four images captured at different viewpoints in the column direction.
- the display panel unit 120 displays the four multi-view image frames generated by the frame processing unit 160 at a speed four times or more higher than the normal case.
- the controller 130 drives the barrier unit 110 in a state in which the display panel unit 120 is driven at a high speed, thereby successively shifting the light transmission region to maintain the resolution.
- the frame processing unit 160 receives the left eye image and the right eye image included in the original image.
- the frame processing unit 160 divides the left eye image and the right eye image into a plurality of vertical columns, combines odd lines of the left eye image and odd lines of the right eye image to generate odd frames, odd lines of the left eye image,
- the even lines of the image are combined to form an even frame.
- an odd-numbered frame is referred to as a first frame
- an even-numbered frame is referred to as a second frame.
- the first frame and the second frame become output images.
- the display panel unit 120 displays the first frame and the second frame at a cycle of 120 Hz.
- the resolution is maintained.
- the first pixel L0 of the left eye image of the original image is composed of three sub-pixels R0, G0, and B0.
- the second pixel L1 consists of R1, G1, and B1.
- the first pixel R0 of the right eye image is composed of r0, g0 and b0, and the second pixel R1 is composed of r1, g1 and b1. Accordingly, the left eye image and the right eye image are interlaced on a pixel basis. As a result, as shown in FIG.
- the first pixel of the first frame which is the output image, is arranged with the first pixel of the left eye image intact, and the second pixel of the first frame is arranged with the second pixel of the right eye image.
- the first pixel of the second frame is disposed on the first pixel of the right eye image, and the second pixel of the second frame is disposed on the second pixel of the left eye image.
- G1, g1, b1, r3, g3 and b3 in the first frame and r0, g0, b0, r2 and r3 in the second frame are included in the right eye of the user, g2, b2 come in.
- R0, G0, B0, R2, G2 and B2 are input in the first frame and R1, G1, B1, R3, G3 and B3 are input in the second frame. In this way, the user sees the first frame and the second frame together, so that resolution loss is eliminated.
- the frame processing unit 160 may construct the first frame and the second frame by combining the subpixels of the respective pixels of the left eye image and the right eye image in various manners. 13, the frame processing unit 160 forms a first frame in the form of R0, g1, B0, r1, G0, and b1 and forms a first frame in the form of r0, G1, b0, R1, g0, Two frames may be constituted.
- the frame processor 160 may construct a first frame in the form of R0, g0, B0, r1, G1, b1 and form a second frame in the form of r0, G0, b0, You may.
- 14 to 16 are views for explaining the structure of a frame constructed according to various embodiments.
- the frame processing unit 160 generates the left eye image L0 and some sub-pixels of the second pixel L1 and the right eye image first pixel (R0, g0, B0, r1, G1, R0) and some subpixels of the second pixels (R1) are combined to constitute a first frame.
- the remaining subpixels of the first pixel L0 and the second pixel L1 and the right eye image first pixel R0 and the second pixel R1 Are combined to constitute a second frame.
- the frame processing unit 160 combines the subpixels of the first pixel L0 of the left eye image and the second pixel R1 of the right eye image, such as R0, g1, B0, r1, G0, .
- the frame processing unit 160 combines the subpixels of the first pixel L0 of the left eye image and the second pixel R1 of the right eye image, such as R0, g1, B0, r1, G0, .
- a second frame is formed by combining subpixels of the first pixel R0 of the right eye image and the second pixel L1 of the left eye image.
- the frame processing unit 160 may include a sub-pixel of the first pixel L0 and a sub-pixel of the second pixel L1, and a sub-pixel of the right eye image, such as R0, g0, B0, r1, G1, R0) and some subpixels of the second pixels (R1) are combined to constitute a first frame.
- a sub-pixel of the right eye image such as R0, g0, B0, r1, G1, R0
- R1 sub-pixel of the second pixels
- the frame processing unit 160 may configure the first and second frames by combining a plurality of subpixels constituting the pixels of the left eye image and a plurality of subpixels constituting the pixels of the right eye image. Specifically, the frame processing unit 160 divides the R, G, and B subpixels constituting the pixels of the left eye image and the r, g, and b subpixels constituting the pixels of the right eye image into the first frame and the second frame So that the first frame and the second frame can be composed.
- the combination method of the frame processing unit 160 can be determined to obtain an optimum image quality through experiments.
- control unit 130 controls the shift of the light transmission region in conjunction with the display state of the display panel unit 120.
- the left eye image is input to the right eye of the user, and the right eye image may be input to the left eye of the user.
- the controller 130 divides the barrier unit 110 into odd-numbered lines and even-numbered lines and turns them on / off alternately. Numbered frames are alternately output.
- the left and right images are changed every time the user moves by the binocular interval, and the inverse image can be periodically viewed.
- the position where the reverse image is viewed is called the reverse image field, and the left and right images are separated correctly, and the left eye image is shown in the left eye and the right eye image is seen in the right eye.
- the control unit 130 inverts the positions of the light transmitting region and the light blocking region of the barrier unit 110 according to the user's positional change so that the user can always view the normal state.
- control unit 130 determines whether the user moves from the normal viewing area to the reverse viewing area
- the light transmitting region of the barrier portion 110 and the position of the light blocking region are reversed.
- the control unit 130 may reverse the polarity of the driving signal applied to the upper and lower electrodes of the barrier unit 110 to invert the positions of the light transmitting region and the light blocking region.
- 17 is a view showing a process of reversing the positions of the light transmitting region and the light blocking region.
- the controller 130 turns off the odd lines of the barrier unit 110 and turns on the even lines, and when the user moves The odd line is turned on and the even line is turned off.
- the controller 130 turns on the odd lines of the barrier unit 110 and turns off the even lines. And turns on the even line.
- the left eye image L is incident on the left eye of the user as it is
- the right eye image R is incident on the right eye of the user as it is.
- the liquid crystal corresponding to the odd lines of the barrier unit 110 is turned on in the odd frame as shown in waveform (a), and the liquid crystal corresponding to the even line is turned on in the even frame as shown in waveform (b).
- the barrier inversion driving is performed, only the liquid crystal of the even-numbered lines is turned on in the odd-numbered frames, and only the odd-numbered lines are turned on in the even-numbered frames.
- the controller 130 may smoothly reverse the application timing of the driving signal provided to the barrier unit 110 during the inversion driving.
- 19 shows the liquid crystal response state in the embodiment in which the application timing of the drive signal is delayed.
- the control unit 130 controls the barrier unit 110 to invert the driving state. Inverting the driving state is equivalent to shifting the driving signal by half a period. Accordingly, when the viewing position shifts from the normal viewing zone to the reverse viewing zone, if the driving delay of the barrier unit 110 is continuously changed from zero to half a period, the inversion can be performed without gambling. In FIG. 19, when the driving delay gradually increases from 0 to t1, t2, and t3, and finally reaches t3, the driving delay becomes half the period, and the inversion is performed.
- the control unit 130 can adjust the delay change rate of the input timing of the drive signal in accordance with the moving speed of the user.
- the control unit 130 can reduce the brightness difference by increasing the open ratio of the barrier unit 110.
- FIG 20 shows the liquid crystal response state of the barrier unit 110 according to the embodiment in which the luminance difference can be reduced.
- the driving state (a) of the odd-numbered line and the driving state (b) of the even-numbered line of the barrier unit 110 are reversed in accordance with the movement of the user.
- the peak area of (a) is larger than the peak area of (b) in the state before the inversion
- the peak area of (b) is larger than the peak area of (a) in the state after the inversion.
- the control unit 130 drives the barrier unit 110 such that the size of the liquid crystal in the ON state is larger than the liquid crystal size in the OFF state as shown in FIG.
- control unit 130 may perform an inversion to invert the polarity of the voltage applied to each electrode of the display panel unit 120.
- a driving signal is supplied to the upper electrode and the lower electrode provided in the barrier part 110 to form a light transmitting area and a light blocking area,
- the electrodes are also driven by applying a voltage.
- the control unit 130 may periodically or non-periodically inversion the driving voltage polarity. That is, it is possible to switch to a scheme of supplying and driving the (+) driving signal and the ground to the electrodes and providing the ground and (-) driving signals in the driving state.
- Examples of the inversion method include a frame inversion driving, a vertical line inversion driving, a horizontal line inversion driving, and a dot inversion driving.
- FIG. 21 shows a screen state according to a frame-inversion driving method.
- the frame-inversion driving method applies (-) polarity to the entire display panel unit 120 when the first frame is displayed, and (-) polarity when the second frame is displayed .
- a discontinuity line in the vertical direction is formed in each of the left eye image and the right eye image by separating by in-view region. Accordingly, the artifacts in the vertical direction are recognized by the user.
- the version driving method which is a vertical line, is a method of grouping the display panel unit 120 by a plurality of vertical lines and applying voltages of different polarities to each other.
- the luminance of the left eye image is larger than that of the right eye image, and a luminance difference is generated.
- the user hardly knows the difference in luminance between the image seen in the left eye and the image in the right eye. Therefore, when performing a version that is a vertical line, it becomes possible to recognize a sharp image quality without artifacts.
- Fig. 23 shows a screen state according to a version driving method which is a horizontal line.
- the version driving method which is a horizontal line
- a plurality of horizontal lines are grouped and voltages of different polarities are applied.
- a check pattern in which a portion having a high luminance and a portion having a low luminance cross each other in a pixel unit are formed in each of the left eye image and the right eye image.
- FIG. 24 shows a screen state according to the dot-inversion driving method.
- the dot inversion driving method is a method of grouping a screen into a plurality of dot shapes and applying voltages of different polarities to each other.
- the dot-in version driving method is applied, the artifacts of the horizontal lines are formed in each of the left eye image and the right eye image, when separated by the view area.
- control unit 130 uses a version driving method which is a vertical line or a version driving method which is a horizontal line.
- inversion driving of the display panel unit 120 and the barrier pattern unit of the barrier unit 110 are described in units of pixels for the sake of convenience in the above embodiments, the present invention is not limited thereto. That is, inversion can be performed in various units such as a subpixel unit, a plurality of subpixel units, a plurality of pixel units, and the like.
- the controller 130 may perform this inversion operation in at least one frame unit cycle.
- the artifacts are formed and the 3D image quality is degraded.
- another aspect may be exhibited if inversion is performed in units of a plurality of frames.
- the luminance difference can be prevented from being fixed.
- the positions of the pixels driven by the (+) driving voltage and the pixels driven by the (-) driving voltage are periodically crossed, so that the visibility can be improved.
- the inversion method can be selected as the optimum method for the product considering the power consumption, the panel characteristics, and the like in a comprehensive manner.
- control unit 130 may perform inversion according to one of the above-mentioned frame inversion, vertical line version, horizontal line version, and dot line version in at least one frame unit. Accordingly, it is possible to reduce fatigue in 3D viewing and provide a better 3D image quality.
- the 3D display device according to various embodiments of the present invention can be configured and driven in various structures.
- 25 is a flowchart illustrating a method of driving a 3D display device according to various embodiments of the present invention.
- the barrier unit is driven in accordance with the output of the multi-view image (S2520).
- the barrier portion includes a liquid crystal layer disposed on one side of the display panel portion, a plurality of upper electrodes continuously disposed while being spaced apart from each other on the upper surface of the liquid crystal layer, and a plurality of lower electrodes continuously arranged while being spaced apart from each other on the lower surface of the liquid crystal layer can do.
- a driving signal is applied to the upper and lower electrodes of the barrier portion.
- the liquid crystal adjacent to the electrode to which the driving signal is applied is turned on to become a light transmission region and the other liquid crystal portion is turned off to become a light blocking region.
- the light transmitting region and the light shielding region are arranged alternately.
- the barrier portion may be provided in various structures as shown in FIG. 3 or FIG. Therefore, the description of the structure of the barrier portion and the driving method thereof will be omitted.
- the present driving method may further include a step of capturing a user and sensing a position of the user using the sensed data. Accordingly, when the user's position is shifted, the plurality of upper electrodes and the plurality of lower electrodes are sequentially driven so that the position of the light transmission region is shifted according to the movement direction. Since this operation has been described in detail in the above section, further explanation and illustration are omitted.
- the multi-view image may be a frame in which a left eye image and a right eye image are combined or a combination of three or more images.
- the first frame and the left eye image and the right eye image in which the left eye image and the right eye image are alternately arranged in the first order in the column direction, And generating a second frame alternately arranged in a second order in the direction of the first frame.
- the first order is a pattern in which the left eye and right eye images are alternately arranged
- the second order is a pattern in which the right eye and the left eye images are alternately arranged.
- a method of detecting a position of a user comprising the steps of: reversing a position of a light transmitting area and a light blocking area of a barrier part when the user moves from a normal viewing area to a reverse viewing area.
- the method may further include the step of gradually delaying the input timing of the driving signal to be applied to the electrode according to the moving speed of the user, when the positional movement of the user is detected, and shifting the driving period of the barrier part by half period.
- it may further include a step of increasing the size of the light transmitting region.
- the multi-view image may be generated by being dispersed and combined in units of subpixels constituting the pixels.
- the present driving method may further include performing a version that is a vertical line, and may perform various types of inversion in a plurality of frame unit cycles.
- deterioration of image quality can be prevented while maintaining resolution of 3D contents. Also, even if the user moves the position, it is possible to realize a stereoscopic effect normally. As a result, the user can effectively view 3D contents.
- the program for performing the method according to various embodiments of the present invention described above can be stored and used in various types of recording media.
- the code for performing the above-described methods may be stored in a storage medium such as a RAM (Random Access Memory), a FLASH memory, a ROM (Read Only Memory), an EPROM (Erasable Programmable ROM), an EEPROM (Electronically Erasable and Programmable ROM)
- a storage medium such as a RAM (Random Access Memory), a FLASH memory, a ROM (Read Only Memory), an EPROM (Erasable Programmable ROM), an EEPROM (Electronically Erasable and Programmable ROM)
- a storage medium such as a RAM (Random Access Memory), a FLASH memory, a ROM (Read Only Memory), an EPROM (Erasable Programmable ROM), an EEPROM (Electronically Erasable and Programmable ROM)
- a floppy disk such as a floppy disk, a removable disk, a memory card, a USB memory, a CD-ROM, and the like.
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Abstract
Description
Claims (30)
- 3D 디스플레이 장치에 있어서,다시점 영상을 출력하는 디스플레이 패널부;상기 디스플레이 패널부의 일 측에 배치되는 배리어부;상기 배리어부에서 광 투과 영역 및 광 차단 영역이 교번적으로 형성되도록 제어하는 제어부;를 포함하며,상기 배리어부는,액정층;상기 액정층의 상부면에서 서로 이격되면서 연속적으로 배치되는 복수의 상부 전극; 및상기 액정층의 하부면에서 서로 이격되면서 연속적으로 배치되는 복수의 하부 전극;을 포함하는 것을 특징으로 하는 3D 디스플레이 장치.
- 제1항에 있어서,사용자를 촬상하는 촬상부; 및,상기 촬상부에서 촬상된 데이터를 이용하여 상기 사용자의 위치를 감지하는 위치 감지부;를 더 포함하며,상기 제어부는,상기 위치 감지부에서 감지되는 사용자의 위치가 이동되면, 이동 방향에 따라 상기 광 투과 영역의 위치가 쉬프트되도록 상기 복수의 상부 전극과 상기 복수의 하부 전극을 순차적으로 구동시키는 것을 특징으로 하는 3D 디스플레이 장치.
- 제2항에 있어서,상기 복수의 상부 전극 각각과 상기 복수의 하부 전극 각각은 상기 액정층을 사이에 두고 일정 영역이 서로 중첩되도록 배치되는 것을 특징으로 하는 3D 디스플레이 장치.
- 제3항에 있어서,상기 배리어부는,상기 복수의 상부 전극의 일 측에 형성되어, 상기 복수의 상부 전극 중에서 홀수 번째 상부 전극을 전기적으로 서로 연결하는 제1 상부 전극 연결부;상기 복수의 상부 전극의 타 측에 형성되어, 상기 복수의 상부 전극 중에서 짝수 번째 상부 전극을 전기적으로 서로 연결하는 제2 상부 전극 연결부;상기 복수의 하부 전극의 일 측에 형성되어, 상기 복수의 하부 전극 중에서 홀수 번째 하부 전극을 전기적으로 서로 연결하는 제1 하부 전극 연결부;상기 복수의 하부 전극의 타 측에 형성되어, 상기 복수의 하부 전극 중에서 짝수 번째 하부 전극을 전기적으로 서로 연결하는 제2 하부 전극 연결부;를 더 포함하며,상기 제어부는 상기 제1 상부 전극 연결부, 상기 제2 상부 전극 연결부, 상기 제1 하부 전극 연결부, 상기 제2 하부 전극 연결부 중 하나에 구동 신호를 공급하면서 나머지 전극 연결부를 접지시키는 동작을 순차적으로 수행하는 것을 특징으로 하는 3D 디스플레이 장치.
- 제2항에 있어서,상기 복수의 상부 전극은,반복적으로 배치되는 상부 공통 전극들; 및상기 상부 공통 전극들 사이에 교번적으로 배치되는 제1 상부 전극 및 제2 상부 전극;을 포함하고,상기 복수의 하부 전극은,반복적으로 배치되는 하부 공통 전극들; 및상기 하부 공통 전극들 사이에 교번적으로 배치되는 제1 하부 전극 및 제2 하부 전극;을 포함하며,상기 상부 공통 전극들 및 상기 하부 공통 전극들은 상기 액정층을 사이에 두고 서로 중첩되지 않도록 다른 위치에 배치되고,상기 제1 상부 전극 및 상기 제2 상부 전극은 상기 액정층을 사이에 두고 상기 하부 공통 전극들과 마주보는 위치에 배치되며,상기 제1 하부 전극 및 상기 제2 하부 전극은 상기 액정층을 사이에 두고 상기 상부 공통 전극들과 마주보는 위치에 배치되는 것을 특징으로 하는 3D 디스플레이 장치.
- 제5항에 있어서,상기 제어부는, 상기 제1 상부 전극, 상기 제2 상부 전극, 상기 제1 하부 전극, 상기 제2 하부 전극 중 하나에 구동 신호를 공급하면서, 나머지 전극들, 상부 공통전극 및 하부 공통 전극들을 접지시키는 동작을 반복적으로 수행하여, 상기 사용자의 위치에 따라 상기 액정층의 광 투과 영역의 위치를 쉬프트시키는 것을 특징으로 하는 3D 디스플레이 장치.
- 제6항에 있어서,상기 배리어부는,상기 액정층의 상부면에서 상기 제1 상부 전극들을 전기적으로 연결하는 제1 상부 전극 연결부;상기 액정층의 상부면에서 상기 제2 상부 전극들을 전기적으로 연결하는 제2 상부 전극 연결부;상기 액정층의 하부면에서 상기 제1 하부 전극들을 전기적으로 연결하는 제1 하부 전극 연결부;상기 액정층의 하부면에서 상기 제2 하부 전극들을 전기적으로 연결하는 제2 하부 전극 연결부;를 더 포함하며,상기 상부 공통 전극들은 상기 제1 상부 전극들 및 상기 제2 상부 전극들 사이에서 미앤더 형태로 서로 연결되고,상기 하부 공통 전극들은 상기 제1 하부 전극들 및 상기 제2 하부 전극들 사이에서 미앤더 형태로 서로 연결되는 것을 특징으로 하는 3D 디스플레이 장치.
- 제1항에 있어서,상기 다시점 영상은 좌안 영상 및 우안 영상이 세로 열 방향으로 제1 순서로 교번적으로 배치된 제1 프레임 및 상기 좌안 영상 및 상기 우안 영상이 세로 열 방향으로 제2 순서로 교번적으로 배치된 제2 프레임을 포함하며상기 디스플레이 패널부는,상기 제1 프레임 및 상기 제2 프레임을 순차적으로 디스플레이하고,상기 제어부는,상기 제1 프레임 및 상기 제2 프레임의 디스플레이 타이밍에 연동하여 상기 광 투과 영역 및 상기 광 차단 영역을 스위칭시키는 것을 특징으로 하는 3D 디스플레이 장치.
- 제8항에 있어서,사용자를 촬상하는 촬상부; 및,상기 촬상부에서 촬상된 데이터를 이용하여 상기 사용자의 위치를 감지하는 위치 감지부;를 더 포함하며,상기 제어부는,상기 위치 감지부에 의해 상기 사용자의 위치 이동이 감지되면, 정상 시역에서 역상 시역으로 이동하는 시점에 상기 배리어부의 광 투과 영역 및 광 차단 영역의 위치를 반전시키는 것을 특징으로 하는 3D 디스플레이 장치.
- 제9항에 있어서,상기 제어부는,상기 위치 감지부에 의해 상기 사용자의 위치 이동이 감지되면, 상기 복수의 상부 전극 및 상기 복수의 하부 전극 중 구동될 전극에 인가될 구동 신호의 입력 타이밍을 상기 사용자의 이동 속도에 따라 점진적으로 딜레이시켜, 상기 배리어부의 구동 주기를 반주기 쉬프트시키는 것을 특징으로 하는 3D 디스플레이 장치.
- 제10항에 있어서,상기 제어부는,상기 광 투과 영역의 크기를 증대시키는 것을 특징으로 하는 3D 디스플레이 장치.
- 제8항에 있어서,상기 좌안 영상의 픽셀을 구성하는 복수의 서브 픽셀과 상기 우안 영상의 픽셀을 구성하는 복수의 서브 픽셀들을 조합하여 상기 제1 프레임 및 상기 제2 프레임을 구성하는 프레임 처리부;를 더 포함하는 것을 특징으로 하는 3D 디스플레이 장치.
- 제12항에 있어서,상기 프레임 처리부는,상기 좌안 영상의 픽셀을 구성하는 R, G, B 서브 픽셀과, 상기 우안 영상의 픽셀을 구성하는 r, g, b 서브 픽셀을 각각 상기 제1 프레임 및 상기 제2 프레임에 분산시켜 새로운 픽셀로 조합하여 상기 제1 프레임 및 상기 제2 프레임을 구성하는 것을 특징으로 하는 3D 디스플레이 장치.
- 제8항에 있어서,상기 제어부는,상기 디스플레이 패널부를 수직 라인 별로 그룹핑하여, 각각 서로 다른 극성의 구동 신호를 인가하는 수직 라인 인버전을 수행하는 것을 특징으로 하는 3D 디스플레이 장치.
- 제8항에 있어서,상기 제어부는,상기 디스플레이 패널부에 대하여 프레임 인버전, 수직 라인 인버전, 수평 라인 인버전, 도트 인버전 중 하나의 인버전을, 적어도 하나의 프레임 단위 주기로 수행하는 것을 특징으로 하는 3D 디스플레이 장치.
- 3D 디스플레이 장치의 구동 방법에 있어서,디스플레이 패널부를 통해서 다시점 영상을 출력하는 출력 단계;액정층, 상기 액정층의 상부면에서 서로 이격되면서 연속적으로 배치되는 복수의 상부 전극 및 상기 액정층의 하부면에서 서로 이격되면서 연속적으로 배치되는 복수의 하부 전극을 구비하는 배리어부에서 광 투과 영역 및 광 차단 영역이 교번적으로 형성되도록, 상기 복수의 상부 전극 및 상기 복수의 하부 전극 중 적어도 하나의 전극에 구동 신호를 인가하는 구동 단계;를 포함하는 것을 특징으로 하는 3D 디스플레이 장치의 구동 방법.
- 제16항에 있어서,사용자를 촬상하는 단계; 및,상기 촬상된 데이터를 이용하여 상기 사용자의 위치를 감지하는 단계;를 더 포함하며,상기 구동 단계는,상기 사용자의 위치가 이동되면, 이동 방향에 따라 상기 광 투과 영역의 위치가 쉬프트되도록 상기 복수의 상부 전극과 상기 복수의 하부 전극을 순차적으로 구동시키는 것을 특징으로 하는 3D 디스플레이 장치의 구동 방법.
- 제17항에 있어서,상기 복수의 상부 전극 각각과 상기 복수의 하부 전극 각각은 상기 액정층을 사이에 두고 일정 영역이 서로 중첩되도록 배치되는 것을 특징으로 하는 3D 디스플레이 장치의 구동 방법.
- 제18항에 있어서,상기 구동 단계는,상기 배리어부에 구비된 제1 상부 전극 연결부, 제2 상부 전극 연결부, 제1 하부 전극 연결부 및 제2 하부 전극 연결부 중 하나에 상기 구동 신호를 공급하면서 나머지 전극 연결부를 접지시키는 동작을 순차적으로 수행하고,상기 제1 상부 전극 연결부는 상기 복수의 상부 전극의 일 측에 형성되어, 상기 복수의 상부 전극 중에서 홀수 번째 상부 전극을 전기적으로 서로 연결하고,상기 제2 상부 전극 연결부는 상기 복수의 상부 전극의 타 측에 형성되어, 상기 복수의 상부 전극 중에서 짝수 번째 상부 전극을 전기적으로 서로 연결하고,상기 제1 하부 전극 연결부는 상기 복수의 하부 전극의 일 측에 형성되어, 상기 복수의 하부 전극 중에서 홀수 번째 하부 전극을 전기적으로 서로 연결하며,상기 제2 하부 전극 연결부는 상기 복수의 하부 전극의 타 측에 형성되어, 상기 복수의 하부 전극 중에서 짝수 번째 하부 전극을 전기적으로 서로 연결하는 것을 특징으로 하는 3D 디스플레이 장치의 구동 방법.
- 제17항에 있어서,상기 복수의 상부 전극은,반복적으로 배치되는 상부 공통 전극들; 및상기 상부 공통 전극들 사이에 교번적으로 배치되는 제1 상부 전극 및 제2 상부 전극;을 포함하고,상기 복수의 하부 전극은;반복적으로 배치되는 하부 공통 전극들; 및상기 하부 공통 전극들 사이에 교번적으로 배치되는 제1 하부 전극 및 제2 하부 전극;을 포함하며,상기 상부 공통 전극들 및 상기 하부 공통 전극들은 상기 액정층을 사이에 두고 서로 중첩되지 않도록 다른 위치에 배치되고,상기 제1 상부 전극 및 상기 제2 상부 전극은 상기 액정층을 사이에 두고 상기 하부 공통 전극들과 마주보는 위치에 배치되며,상기 제1 하부 전극 및 상기 제2 하부 전극은 상기 액정층을 사이에 두고 상기 상부 공통 전극들과 마주보는 위치에 배치되는 것을 특징으로 하는 3D 디스플레이 장치의 구동 방법.
- 제20항에 있어서,상기 구동 단계는,상기 제1 상부 전극, 상기 제2 상부 전극, 상기 제1 하부 전극, 상기 제2 하부 전극 중 하나에 상기 구동 신호를 공급하면서, 나머지 전극들, 상부 공통전극 및 하부 공통 전극들을 접지시키는 동작을 반복적으로 수행하여, 상기 사용자의 위치에 따라 상기 액정층의 광 투과 영역의 위치를 쉬프트시키는 것을 특징으로 하는 3D 디스플레이 장치의 구동 방법.
- 제21항에 있어서,상기 배리어부는,상기 액정층의 상부면에서 상기 제1 상부 전극들을 전기적으로 연결하는 제1 상부 전극 연결부;상기 액정층의 상부면에서 상기 제2 상부 전극들을 전기적으로 연결하는 제2 상부 전극 연결부;상기 액정층의 하부면에서 상기 제1 하부 전극들을 전기적으로 연결하는 제1 하부 전극 연결부;상기 액정층의 하부면에서 상기 제2 하부 전극들을 전기적으로 연결하는 제2 하부 전극 연결부;를 더 포함하며,상기 상부 공통 전극들은 상기 제1 상부 전극들 및 상기 제2 상부 전극들 사이에서 미앤더 형태로 서로 연결되고,상기 하부 공통 전극들은 상기 제1 하부 전극들 및 상기 제2 하부 전극들 사이에서 미앤더 형태로 서로 연결되는 것을 특징으로 하는 3D 디스플레이 장치의 구동 방법.
- 제16항에 있어서,좌안 영상 및 우안 영상이 세로 열 방향으로 제1 순서로 교번적으로 배치된 제1 프레임 및 상기 좌안 영상 및 상기 우안 영상이 세로 열 방향으로 제2 순서로 교번적으로 배치된 제2 프레임을 생성하는 단계;를 더 포함하며,상기 출력 단계는,상기 제1 프레임 및 상기 제2 프레임을 순차적으로 디스플레이하고,상기 구동 단계는,상기 제1 프레임 및 상기 제2 프레임의 디스플레이 타이밍에 연동하여 상기 광 투과 영역 및 상기 광 차단 영역을 스위칭시키는 것을 특징으로 하는 3D 디스플레이 장치의 구동 방법.
- 제23항에 있어서,사용자를 촬상하는 단계; 및,상기 촬상된 데이터를 이용하여 상기 사용자의 위치를 감지하는 단계; 및,상기 사용자의 위치 이동이 감지되면, 정상 시역에서 역상 시역으로 이동하는 시점에 상기 배리어부의 광 투과 영역 및 광 차단 영역의 위치를 반전시키는 단계;를 더 포함하는 것을 특징으로 하는 3D 디스플레이 장치의 구동 방법.
- 제24항에 있어서,상기 사용자의 위치 이동이 감지되면, 상기 복수의 상부 전극 및 상기 복수의 하부 전극 중 구동될 전극에 인가될 구동 신호의 입력 타이밍을 상기 사용자의 이동 속도에 따라 점진적으로 딜레이시켜, 상기 배리어부의 구동 주기를 반주기 쉬프트시키는 단계;를 더 포함하는 것을 특징으로 하는 3D 디스플레이 장치의 구동 방법.
- 제25항에 있어서,상기 광 투과 영역의 크기를 증대시키는 단계;를 더 포함하는 것을 특징으로 하는 3D 디스플레이 장치의 구동 방법.
- 제23항에 있어서,상기 다시점 영상을 생성하는 단계는,상기 좌안 영상의 픽셀을 구성하는 복수의 서브 픽셀과 상기 우안 영상의 픽셀을 구성하는 복수의 서브 픽셀들을 조합하여 상기 제1 프레임 및 상기 제2 프레임을 구성하는 것을 특징으로 하는 3D 디스플레이 장치의 구동 방법.
- 제27항에 있어서,상기 다시점 영상을 생성하는 단계는,상기 좌안 영상의 픽셀을 구성하는 R, G, B 서브 픽셀과, 상기 우안 영상의 픽셀을 구성하는 r, g, b 서브 픽셀이 각각 상기 제1 프레임 및 상기 제2 프레임에 분산되어 새로운 픽셀로 조합되도록 상기 제1 프레임 및 상기 제2 프레임을 구성하는 것을 특징으로 하는 3D 디스플레이 장치의 구동 방법.
- 제23항에 있어서,상기 디스플레이 패널부를 수직 라인 별로 그룹핑하여 각각 서로 다른 극성의 전압을 인가하는 수직 라인 인버전을 수행하는 단계;를 더 포함하는 것을 특징으로 하는 3D 디스플레이 장치의 구동 방법.
- 제23항에 있어서,상기 디스플레이 패널부에 대하여 프레임 인버전, 수직 라인 인버전, 수평 라인 인버전, 도트 인버전 중 하나의 인버전을, 적어도 하나의 프레임 단위 주기로 수행하는 단계;를 더 포함하는 것을 특징으로 하는 3D 디스플레이 장치의 구동 방법.
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EP11829636.7A EP2624572A4 (en) | 2010-10-01 | 2011-09-30 | 3D DISPLAY DEVICE WITH A LOCK AND DRIVE PROCESS THEREFOR |
CN201180047804.1A CN103181174B (zh) | 2010-10-01 | 2011-09-30 | 利用屏障的3d显示装置及其驱动方法 |
US13/877,223 US9716877B2 (en) | 2010-10-01 | 2011-09-30 | 3D display device using barrier and driving method thereof |
JP2013531504A JP6111197B2 (ja) | 2010-10-01 | 2011-09-30 | バリアを用いる3dディスプレイ装置およびその駆動方法 |
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US38879310P | 2010-10-01 | 2010-10-01 | |
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WO2012044130A3 WO2012044130A3 (ko) | 2012-05-24 |
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EP (1) | EP2624572A4 (ko) |
JP (1) | JP6111197B2 (ko) |
KR (1) | KR20120034581A (ko) |
CN (1) | CN103181174B (ko) |
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2011
- 2011-09-30 KR KR1020110100322A patent/KR20120034581A/ko not_active Application Discontinuation
- 2011-09-30 WO PCT/KR2011/007287 patent/WO2012044130A2/ko active Application Filing
- 2011-09-30 US US13/877,223 patent/US9716877B2/en not_active Expired - Fee Related
- 2011-09-30 JP JP2013531504A patent/JP6111197B2/ja not_active Expired - Fee Related
- 2011-09-30 EP EP11829636.7A patent/EP2624572A4/en not_active Withdrawn
- 2011-09-30 CN CN201180047804.1A patent/CN103181174B/zh not_active Expired - Fee Related
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EP2624572A4 (en) | 2014-10-29 |
EP2624572A2 (en) | 2013-08-07 |
WO2012044130A3 (ko) | 2012-05-24 |
US9716877B2 (en) | 2017-07-25 |
KR20120034581A (ko) | 2012-04-12 |
US20140192172A1 (en) | 2014-07-10 |
CN103181174A (zh) | 2013-06-26 |
WO2012044130A2 (ko) | 2012-04-05 |
JP6111197B2 (ja) | 2017-04-05 |
CN103181174B (zh) | 2016-07-13 |
JP2014500970A (ja) | 2014-01-16 |
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