KR20150002327A - Autostereoscopic image display and driving method thereof - Google Patents

Abstract

The present invention relates to an autostereoscopic image display device and a method for driving the same. The autostereoscopic image display device comprises: a display panel driving unit which performs space-time division of multi-view image data to display the divided data on a display panel; a 3D filter which is bonded to the display panel and electrically controlled to shift a barrier or a lens; and a viewer image control unit which divides one frame period into a plurality of subframes and shifts the multi-view image data and the barrier or the lens of the 3D filter in every subframe. A viewing area of a multi-view image existing before the 3D filter is divided into a first viewing area in which a first individual image is displayed and a second viewing area in which a second individual image is displayed.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a three-

The present invention relates to a stereoscopic image display apparatus and a driving method thereof.

The stereoscopic image display device can be divided into a spectacle method and a non-spectacle method. The spectacle method realizes a stereoscopic image by using polarizing glasses or liquid crystal shutter glasses to display the right and left parallax images in a direct view type display device or a projector by changing the polarization directions of the parallax images in a time division manner. The non-eyeglass system generally displays optical components such as a parallax barrier (hereinafter referred to as a "barrier") and a lenticular lens (hereinafter referred to as a "lens") for separating the optical axis of left and right parallax images It is installed in front of or behind the screen to realize a stereoscopic image.

The stereoscopic image display device displays a 2D image in a 2D mode and a 3D image in a 3D mode. Therefore, the viewer can view only the 2D image in the 2D mode and the 3D image only in the 3D mode using the stereoscopic image display device.

The non-eyeglass stereoscopic image display apparatus can display a multi-view image to enlarge the viewing area of the 3D image. However, the viewing area of the 3D image can be enlarged in proportion to the number of views N (N is a positive integer of 3 or more), but the resolution thereof is reduced to 1 / N times.

The present invention provides a non-eyeglass stereoscopic image display apparatus and a driving method thereof that can display individual images that differ from one viewer to another without degrading resolution.

A stereoscopic image display apparatus of the present invention includes a display panel driver for dividing multi-view image data into space-time intervals on a display panel; A 3D filter glued on the display panel and electronically controlled to shift the barrier or the lens; And an image controller for each viewer that divides one frame period into a plurality of sub-frames and shifts the multi-view image data and the barrier or lens of the 3D filter in each sub-frame.

A method of driving a stereoscopic image display device includes dividing multi-view image data into a plurality of subframes by spatially dividing and displaying multi-view image data on a display panel, dividing one frame period into a plurality of subframes, And shifting the multi-view image data.

The viewing area of the multi-view image existing in front of the 3D filter is divided into a first viewing area in which a first individual image is displayed and a second viewing area in which a second individual image is displayed.

The present invention divides one frame period of a stereoscopic image display device into a plurality of subframes and shifts the multi-view image data and the barrier or lens of the 3D filter for each subframe to generate individual images for each viewer Display. As a result, the stereoscopic image display apparatus of the present invention can display different individual images for each viewer without degrading resolution.

FIG. 1 is a view showing an example of a 2D image and a 3D image divided and displayed for each user in the stereoscopic image display device according to the embodiment of the present invention.
2 is a diagram showing an example of dividing one frame period into a plurality of subframes by increasing the frame rate and shifting the data to be displayed on the display panel and the 3D filter every subframe.
3 is a view showing an example of a viewing area separated for each view image due to a 3D filter when multi-view image data is divided and displayed on a display panel.
4 is a view showing a view map of multi-view image data displayed on the display panel and individual recognition images for each viewer.
5 is a diagram showing an example in which multi-view image data is divided into space-time and space-separated individual-perceived images without degradation in resolution.
FIG. 6 is a diagram illustrating an example in which a 3D filter is shifted in synchronization with the 6-view image data shifted every sub-frame as shown in FIG.
7 is a diagram showing an example in which 6 view data displayed on the pixel array of the display panel is shifted by 1/6 view and 1/2 view.
8 is a view showing an example in which 6 view data displayed on the pixel array of the display panel and the barrier of the 3D filter are shifted by 1/6 view and 1/2 view.
9 is a view showing an example in which 6 view data displayed on the pixel array of the display panel is shifted by 3/6 view, 4/6 view, and 5/6 view.
10 is a diagram showing an example in which 6 view data displayed in the pixel array of the display panel and the barrier of the 3D filter are shifted by 3/6 view, 4/6 view, and 5/6 view.
11 is a diagram showing an example in which 6 view data displayed in the pixel array of the display panel is shifted by -1/6 view and -2/6 view.
12 is a diagram showing an example in which 6 view data displayed on the pixel array of the display panel and the barrier of the 3D filter are shifted by -1/6 view and -2/6 view.
13 and 14 are views showing an example in which 6 view image data and the lens are shifted between the odd-numbered subframe period and the even-numbered subframe period, with the 3D filter as a lens.
15 is a block diagram illustrating a stereoscopic image display apparatus according to an embodiment of the present invention.
16 is a cross-sectional view showing an example of a 3D filter implemented with a lens.
17 is a cross-sectional view showing an example of a 3D filter implemented as a barrier.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Reference will now be made in detail to the preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings. Like reference numerals throughout the specification denote substantially identical constituent elements. In the following description, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.

Before describing the embodiments, some terms used in the embodiments will be defined as follows.

The stereoscopic image display device of the present invention can be applied to a liquid crystal display (LCD), a field emission display (FED), a plasma display panel (PDP), an organic light emitting diode An organic light emitting display (OLED), an electrophoretic display (EPD), or the like. This stereoscopic image display apparatus is implemented as a stereoscopic image display apparatus of a non-eyeglass system.

The 3D filter of the present invention is implemented as a switchable barrier or a switchable lens that is electrically controlled using a liquid crystal panel. This 3D filter can shift the barrier or the lens in synchronization with the image data displayed on the display panel. The applicant of the present application has proposed a switchable barrier and a switchable lens through US Application No. 13/077565, US Application No. 13/325272, Application No. 10-2010-0030531, and Application No. 10-2010-0130547, etc.

Referring to FIG. 1 and FIG. 2, the stereoscopic image display apparatus of the present invention divides multi-view image data into a display panel DIS and provides discrete images for different viewers.

The viewing area of the multi-view image existing in front of the 3D filter is divided into a first viewing area in which individual images of the viewer A are displayed and a second viewing area in which individual images of the viewer B are displayed. The individual image data for each viewer may be a 2D image or a 3D image having a binocular disparity. For example, the stereoscopic image display apparatus of the present invention can provide a 2D image or a 3D image to the viewer A and the viewer B when the viewer A and the viewer B are separated from each other. The stereoscopic image display apparatus of the present invention exemplifies two viewers in FIG. 1, but two or more viewers can provide 2D / 3D images different from each other.

The stereoscopic image display apparatus of the present invention is configured to multiply the frame rate by N (N is a positive integer equal to or greater than 2) timeslots one frame period (F1, F2, F3) into a plurality of subframes (SF1, SF2) The resolution of the individual 2D image or 3D image provided for each viewer can be improved by shifting the image data and the 3D filter written in the display panel DIS for each of the first, second, and third display modes F1, F2, and F3.

The stereoscopic image display apparatus of the present invention can simultaneously provide 3D images of the same contents to viewers or simultaneously provide 3D images of different contents for each viewer. In addition, the stereoscopic image display apparatus of the present invention can simultaneously provide the same 2D image to viewers or simultaneously provide 2D images of different contents for each viewer. Also, the stereoscopic image display apparatus of the present invention can simultaneously provide a 2D image and a 3D image for each viewer.

3 and 4, a principle of displaying a 2D image or a 3D image for each viewer in the stereoscopic image display apparatus of the present invention will be described.

Referring to FIGS. 3 and 4, the stereoscopic image display apparatus of the present invention writes multi-view image data to a pixel array of a display panel DIS.

In FIGS. 3 and 4, 1, 2, 3, 4, 5, and 6 indicate the number of the view image when 6 view image data is displayed on the display panel DIS. The first to sixth view image data 1 to 6 are 3D image data having a binocular parallax between neighboring view images taken through six cameras spaced apart from each other with a binocular distance in the case of a 3D image. In the 2D image, the first to sixth view image data 1 to 6 are data having no binocular parallax.

In FIG. 3, a diamond figure is a view area separated for each view image, and the number inside the view figure is a view image number.

6 view image data such as the left view map of Fig. 4 may be displayed on the display panel DIS. The barrier slit or the lens of the 3D filter may be arranged in an oblique direction as the arrangement direction of the same view image data. The viewer A looks at the display device DIS in the viewing area where the first view image and the second view image are visible and the viewer B looks at the display device DIS in the viewing area where the fourth view image and the fifth view image are visible In view of this, viewer A and viewer B watch image data as shown in the right drawing of Fig.

The viewer A views the pixels in which the first view image data 1 is displayed in the right eye and the pixels in which the second view image data 2 is displayed in the left eye. Accordingly, the viewer B views the pixels in which the fourth view image data 4 is displayed in the right eye and the pixels in which the fifth view image data 5 is displayed in the left eye. Accordingly, the viewer A recognizes the composite image of the first view and the first view image data (1, 2) which are space-divided in the viewing area. At the same time, the viewer B recognizes the composite image of the fourth view and the fifth view image data (4, 5) which are segmented in the viewing area.

As shown in FIGS. 3 and 4, when multi-view image data is displayed on the display panel and the view image data is spatially separated, different image data can be provided for each viewer. For example, in FIG. 4, the first and second view image data 1 and 2 are first image data viewed by the viewer A, and the fourth and fifth view image data 4 and 5 are displayed by the viewer B Second image data. The first and second image data may be 2D or 3D image data. Viewers can separately view the first and second image data when they are located in different viewing areas in a spatially separated viewing area. The viewer A can view the first image data when the first and second view image data 1 and 2 are located in the viewing area where the first and second view image data 1 and 2 are visible. And the viewer B can view the second image data when positioned in the viewing area of the fourth and fifth view image data 4, 5.

When the multi-view image data is simply spatially divided as shown in FIG. 4, the resolution of the image recognized by each user is reduced by 1 / N.

The stereoscopic image display apparatus according to the present invention divides multi-view image data displayed on the display panel DIS, as shown in FIG. 5, and shifts the 3D filter in synchronization with data for every subframe as shown in FIG. 6, Separate cognitive images. The 3D filter shift must satisfy both of the following conditions.

The shift size of the 3D filter is K / N. Where N is the number of views, and K is an integer satisfying -N <K <N. (Or pixels) existing within one pitch of the lens or barrier of the 3D filter, based on the number of subpixels present in one pitch of the 3D filter, . One pitch (1P) of the barrier (BAR) in the 3D filter is as shown in Fig. 6, and one pitch (1P) of the lens (LENS) is shown in Fig.

K / A = Q + R where Q is an integer, R is a real number with 0 <R <1, A is the number of sub-pixels within one pixel.

For example, if multi-view image data is divided into six view data and one pixel is divided into red, green, and blue subpixels as in the example of FIG. 4, N = 6, A = 3, the 3D filter can be shifted by 1/6, 2/6, 4/6, 5/6 pitch. 4/6 and 5/6 are the same as moving by -2/6, -1/6. Only 1/6 and 2/6 and directionality are opposite.

Except for K / N = 0, 1 and K being a multiple of A. This is because K / N is equal to the initial state when K / N is 0, 1, except that K is a multiple of A, because there is a resolution compensation effect but no color compensation effect.

5A is a view map of 6 view image data displayed on the display panel DIS during the odd-numbered subframe SF1. In FIG. 5A, oX is X-view image data displayed on the pixel array of the display panel DIS in the odd-numbered sub-frame SF1. 5B is an image displayed on the display panel DIS during the second sub-frame SF2. In FIG. 5B, eX is the X-view image data displayed on the pixel array of the display panel DIS in the even-numbered sub-frame SF2.

As shown in FIG. 5B, when the 3D filter shifts to the right by a 1/6 view unit without data shift, the viewer watches the second view image and the third view image in the left eye for one frame period, And the second view image, so that the normal 3D image can not be seen.

 The 3D image display apparatus of the present invention shifts the 3D filter to the right by 1/6 pitch as shown in (c) of FIG. 5 and shifts the N filter displayed on the pixel array of the display panel (DIS) in the same direction as the shift direction of the 3D filter Shifts the image data by K views. FIG. 5C shows an example in which 6 view image data is shifted to the right by one view in the even sub frame period (SF2). Viewers will see the combined image of FIGs. 5 (A) and 5 (C) during one frame period. As a result, each of the viewers can view a 2D image or a 3D image with a resolution two times higher than that of FIG. When the odd-numbered subframe period is changed to the odd-numbered subframe period, the data and the 3D filter are shifted in the zero direction by the same magnitude as the above-described example, as shown in FIG.

6, S is the rear distance and D is the viewing distance. The PIX is a pixel array in which multi-view image data is displayed on the display panel DIS. The BAR represents a 3D filter of the switchable barrier type. 1P represents one pitch of the barrier. The 1 pitch (1P) length of the barrier is equal to the combined length of N subpixels or N pixels arranged in a row in which the N view image is displayed in the pixel array PIX.

FIG. 6A shows the image data of the odd-numbered sub frame period SF1 and the 3D filter as shown in FIG. 5A. FIG. 6B shows the 3D data and the image data of the even-numbered sub-frame SF2 as shown in FIG. 5C. 6 (a) to (b), the image data and the 3D filter are shifted to the right by 1/6 view, that is, 1/6 of one pitch of the 3D filter. FIG. 6C shows the image data and the 3D filter in the odd-numbered subframe SF1 of the next frame period. 6 (b) to (c), the image data and the 3D filter are shifted to the left by 1/6 of one pitch of the 3D filter.

7 and 8, (a) shows a 6-view image data and a barrier (BAR) of the 3D filter in the odd-numbered subframe period SF1 as shown in FIG. 5 (a). 7 and 8B show an example in which 6 view image data and a 3D filter are shifted to the right by 1/6 view in the odd sub frame period SF2, that is, 1/6 of one pitch of the 3D filter . 7 and 8C show an example in which six view image data and a 3D filter are shifted to the right by 2/6 view in the odd sub frame period SF2, that is, 2/6 of one pitch of the 3D filter .

FIGS. 9A and 10A are diagrams for explaining how the 6 view image data and the 3D filter in the odd sub frame period (SF2) compare to the odd numbered sub frame period (SF1) as shown in FIG. 5A, The view is shifted as much as the view. FIGS. 9 and 10B show an example in which 6 view image data and the 3D filter are shifted to the right by 4/6 view in the even sub frame period (SF2). 9 and 10, (c) shows an example in which six view image data and a 3D filter are shifted to the right by 5/6 view in the odd sub frame period SF2.

9 and 10 (a) show that the pixels recognized by the viewer are separated from the pixels viewed in the odd-numbered frame, so that the resolution is improved but the pixels of the same color are continuously viewed, so that the color compensation effect is small.

FIGS. 11 and 12A are diagrams for explaining how the 6 view image data and the 3D filter are shifted to the right by -1 / 2 in the odd sub frame period (SF2) as compared with the odd numbered sub frame period (SF1) 6 views. 11 and 12B show an example in which 6 view image data and the 3D filter are shifted to the right by -2/6 view in the even sub frame period (SF2).

11 and 12A are opposite in the shift direction and have the same resolution, color compensation effect, and the like, as compared with the case of FIG. 6 and FIG. 7B. 11 and 12 (b) are opposite in the shift direction only when compared with the case of Figs. 6 and 7 (c), and have the same resolution, color compensation effect, and the like.

13 and 14 show an example in which the 6 view image data and the lens LENS are shifted between the odd-numbered subframe period SF1 and the even-numbered subframe period SF2 by changing the 3D filter to the lens LENS They are drawings. 13 shows an example in which 6 view image data and the lens LENS are shifted by 1/6 view and shifted in the opposite direction in the next subframe when the subframe periods are changed to (a), (b), and (c) give. 14 shows an example in which 6 view image data and the lens LENS are shifted by 2/6 view and shifted in the opposite direction in the next subframe when the subframe period is changed to (a), (b), or (c) give. Although the example in which the lens (LENS) DMLK of the 3D filter varies by 3/6, 4/6, 5/6, -1/6, and -2/6 views is not shown, the shift direction is different only, As shown in Fig.

15 is a block diagram illustrating a stereoscopic image display apparatus according to an embodiment of the present invention. 16 is a cross-sectional view showing an example of a 3D filter implemented by a lens (LENS). 17 is a cross-sectional view showing an example of a 3D filter implemented with a barrier (BAR).

15 to 17, the stereoscopic image display apparatus of the present invention includes a display panel 100, a display panel driving unit, a backlight unit 300 opposed to a back surface of the display panel 100, a backlight driving unit 310, A 3D filter 200, a 3D filter driver 210, a timing controller 101, and the like bonded on the panel 100.

The display panel 100 may be a flat panel display device such as a liquid crystal display device (LCD), a field emission display device (FED), a plasma display panel (PDP), an organic light emitting diode display device (OLED) And can be implemented as a display panel. Hereinafter, the liquid crystal display device will be mainly described, but the display device of the present invention is not limited to the liquid crystal display device. In the case of a liquid crystal display device, the backlight unit 300 is required, but the backlight unit 300 is not required for other self-luminous display devices.

The display panel 100 includes a pixel array PIX in which data lines 105 and gate lines (or scan lines, 106) are orthogonalized and pixels are arranged in a matrix form. Each of the pixels may include sub-pixels of different colors. The pixel array PIX displays the 2D image in the 2D mode and the left eye image and the right eye image in the 3D mode.

The display panel driving unit includes a data driving circuit 102 for supplying data voltages of the 2D / 3D image to the data lines 105 of the display panel 100, And a gate drive circuit 103 for sequentially supplying pulses (or gate pulses). The display panel driving unit writes the multi-view image data separated in time and space into the display panel under the control of the timing controller 101 as shown in FIG. 5 to FIG.

The data driving circuit 102 converts digital video data input from the timing controller 101 into an analog gamma voltage to generate data voltages and supplies the data voltages to the data lines 105 of the display panel 100. The gate drive circuit 103 supplies a gate pulse (or a scan pulse) synchronized with the data voltage supplied to the data lines 105 to the gate lines 106 under the control of the timing controller 101, Are sequentially shifted.

The backlight unit 300 may be implemented as a direct type backlight unit or an edge type backlight unit. The light source of the backlight unit may be implemented as a point light source such as an LED (Light Emitting Diode). The light emitting surface of the backlight unit 200 may be divided into a plurality of backlight blocks to be suitable for the scanning backlight driving technique.

The backlight driver 310 divides the light emitting surface of the backlight unit 300 into a plurality of blocks and controls the light source of the backlight unit 300 along the scanning direction of data written in the display panel 100 under the control of the timing controller 101. [ Sequentially driving the light emitting surfaces of the backlight unit 300 for each block. Accordingly, the backlight driving unit 310 can drive the backlight unit 300 in blocks by the scanning backlight driving technique. The block division driving method is disclosed in Korean Patent Application No. 10-2012-0103788 (issued on September 19, 19), Korean Patent Application No. 10-2012-0114880 (Oct. 16, 2012), Korean Patent Application No. 10- It is preferable to apply the block division driving method of the backlight unit disclosed in the Japanese Patent Application No. 2012-0126043 (Jan. 11, 2012). The block division driving method of the backlight unit proposed in the above-mentioned inventions improves the motion picture response time (MPRT (ms)) in the non-eyeglass stereoscopic image display employing the switchable 3D filter, it is possible to effectively compensate for crosstalk and color breakup.

The 3D filter 200 is implemented by a switchable lens LENS as shown in FIG. 16 or a switchable barrier (BAR) as shown in FIG. The 3D filter 200 is bonded on the display panel 100 and electrically controlled to form a barrier or a lens for separating the optical axis of the left eye image data and the right eye image data of the multi view image data. The 3D filter 200 includes a birefringent medium such as a liquid crystal, an electrode, and the like, and is electrically driven by the 3D filter driving unit 210 to separate the optical axes of light of the left eye image and the right eye image. The 3D filter 200 may be divided and driven into 3D filter blocks of the same type and number as the backlight blocks divided by the scanning backlight driving technique as proposed in the above-mentioned inventions.

The 3D filter driving unit 210 drives the barrier BAR or the lens LENS of the 3D filter 200 in accordance with the method of FIGS. 5 to 14 in synchronism with the multi-view image data under the control of the timing controller 101, .

The timing controller 101 supplies digital video data (RGB) of a 2D / 3D image input from the host system 110 to the data driving circuit 102. The timing controller 101 receives timing signals such as a vertical synchronization signal, a horizontal synchronization signal, a data enable signal, and a main clock, which are input from the host system 110 in synchronization with the digital video data RGB of the 2D / 3D image . The timing controller 101 controls the operation timings of the display panel driving units 102 and 103, the backlight driving unit 310 and the 3D filter driving unit 210 using the received timing signals and synchronizes the operation timings of the driving units Timing control signals. The timing control signals include a source timing control signal DDC for controlling the operation timing of the data driving circuit 102, a gate timing control signal GDC for controlling the operation timing of the gate driving circuit 103, (SBL), and a 3D filter control signal (3DC).

The timing controller 101 raises the frame rate to a frequency of the frame rate × N (N is a positive integer of 2 or more) Hz of the input image, and sets one frame period to a plurality of sub frame periods SF1, and SF2 to shift the image data and the 3D filter every subframe. The timing controller 101 controls the operation frequency of the display panel driving units 102 and 103 and the 3D filter driving unit 210 at a frame rate multiplied by N times. The frame rate of the input image is 60 Hz in the National Television Standards Committee (NTSC) method and 50 Hz in the PAL (Phase-Alternating Line) method.

A data formatter 120 may be installed between the host system 110 and the timing controller 101. The data formatter 120 maps multi-view image data input from the host system 110 to a view map as shown in FIGS. 4 to 15, and shifts multi-view image data for each sub-frame to divide multi-view image data into space- do. The multi-view image data may be a 2D image or a 3D image.

The host system 110 may be implemented as any one of a TV system, a set top box, a navigation system, a DVD player, a Blu-ray player, a personal computer (PC), a home theater system, and a phone system. The host system 110 converts the digital video data of the 2D / 3D input image into a format suitable for the resolution of the display panel (PNL) 100 using a scaler, and transmits a timing signal to the timing controller 101 together with the data. Lt; / RTI &gt;

The host system 110 supplies the 2D image in the 2D mode to the timing controller 101 while supplying the 3D image or 2D image data in the 3D mode to the data formatter 120. [ The host system 110 may switch a 2D mode operation and a 3D mode operation by transmitting a mode signal to the timing controller in response to user data input through a user interface (not shown). The user interface includes a keypad, a keyboard, a mouse, an on screen display (OSD), a remote controller, a graphical user interface (GUI), a touch UI (user interface) UI, or the like. The user can select the 2D mode and the 3D mode through the user interface, and select the 2D-3D image conversion in the 3D mode.

The 3D filter driving unit 210, the display panel driving unit, and the timing controller 101 divide one frame period into a plurality of subframes and output the multi view image data and the barrier or lens of the 3D filter 200 And operates as a viewer-specific image control unit for shifting.

As described above, the stereoscopic image display apparatus of the present invention divides a first image viewed by a first viewer and a second image viewed by a second viewer into a viewing area. This method can be implemented when a viewer looks at a display device at a viewing position of a first image or a viewing position of a second image that is set in advance. In another embodiment, the stereoscopic image display apparatus of the present invention is a stereoscopic image display apparatus in which, when viewers are separated in a viewing area, an image sensor such as a camera and a face recognition algorithm, To sense the position of each of the viewers, and to display a viewer-specific image in the viewing area at that position. In this case, the host system 110 analyzes the image sensor signal, compares the position information of each of the viewers obtained by executing the face recognition algorithm with a preset viewing area, and transmits the result to the data formatter 120. [ The data formatter 120 receives the position of each of the viewers and updates the view map of the multi-view image data for each sub-frame based on the viewing area where the viewers are located.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the invention. Therefore, the present invention should not be limited to the details described in the detailed description, but should be defined by the claims.

100: display panel 101: timing controller
102: Data driving circuit 103: Gate driving circuit
110: host system 120: data formatter
200: 3D filter 210: 3D filter driver
300: backlight unit 310: backlight driving unit
LENS: Lens (Switchable lens) BAR: Barrier (Switchable barrier)

Claims (6)

A display panel driver for dividing the multi-view image data into space-time intervals and displaying the multi-view image data;
A 3D filter glued on the display panel and electronically controlled to shift the barrier or the lens; And
And a viewer-specific image controller for dividing one frame period into a plurality of sub-frames and shifting the multi-view image data and the barrier or lens of the 3D filter in each sub-frame,
Wherein the viewing area of the multi-view image existing in front of the 3D filter is divided into a first viewing area in which a first individual image is displayed and a second viewing area in which a second individual image is displayed. The method according to claim 1,
The multi-view image data displayed on the display panel and the barrier or lens of the 3D filter are shifted in the first direction when the odd-numbered subframe period is changed to the odd-numbered subframe period,
The multi view image data displayed on the display panel and the barrier or lens of the 3D filter are shifted in the second direction when the odd sub frame period is changed to the odd sub frame period of the next frame period,
And the second direction is a reverse direction of the first direction. 3. The method of claim 2,
Wherein the first individual image and the second individual image are simultaneously displayed on the display panel and are images of the same or different contents. The method of claim 3,
Wherein each of the first and second individual images is a 2D image or a 3D image. The method of claim 3,
The first individual image is a 2D image,
Wherein the second individual image is a 3D image. The multi-view image data is spatially divided and displayed on the display panel, the one frame period is divided into a plurality of sub-frames, the barrier or lens of the 3D filter adhered to the display panel is shifted for each sub-frame, And shifting the data,
Wherein the viewing area of the multi-view image existing in front of the 3D filter is divided into a first viewing area in which a first individual image is displayed and a second viewing area in which a second individual image is displayed. Way.

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