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WO2010140767A2 - Barrière de parallaxe et appareil et procédé d'affichage d'image tridimensionnelle à points de vue multiples la comprenant - Google Patents

Barrière de parallaxe et appareil et procédé d'affichage d'image tridimensionnelle à points de vue multiples la comprenant Download PDF

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Publication number
WO2010140767A2
WO2010140767A2 PCT/KR2010/002276 KR2010002276W WO2010140767A2 WO 2010140767 A2 WO2010140767 A2 WO 2010140767A2 KR 2010002276 W KR2010002276 W KR 2010002276W WO 2010140767 A2 WO2010140767 A2 WO 2010140767A2
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WO
WIPO (PCT)
Prior art keywords
pixel
light transmitting
row
subpixel
subpixels
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/KR2010/002276
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English (en)
Korean (ko)
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WO2010140767A3 (fr
Inventor
이용범
정세일
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V3I CO Ltd
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V3I CO Ltd
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Filing date
Publication date
Priority claimed from KR1020090049563A external-priority patent/KR100938481B1/ko
Priority claimed from KR1020090080528A external-priority patent/KR100953747B1/ko
Application filed by V3I CO Ltd filed Critical V3I CO Ltd
Publication of WO2010140767A2 publication Critical patent/WO2010140767A2/fr
Publication of WO2010140767A3 publication Critical patent/WO2010140767A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • H04N13/324—Colour aspects
    • 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
    • G02B30/32—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 characterised by the geometry of the parallax barriers, e.g. staggered barriers, slanted parallax arrays or parallax arrays of varying shape or size
    • 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
    • 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
    • H04N13/317—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays using slanted parallax optics

Definitions

  • the present invention relates to a parallax barrier and a stereoscopic image display apparatus having the same, and more particularly, a parallax barrier capable of displaying a multi-view stereoscopic image and a smooth stereoscopic image at various viewing angles without deterioration of resolution.
  • the present invention relates to a multi-view stereoscopic image display apparatus and method that can selectively switch between 2D and 3D images for viewing.
  • One of the typical methods is to install a lenticular lens or a parallax barrier at a certain distance from the two-dimensional image panel so that different image information can be recognized on both left and right sides of the viewer to have a three-dimensional effect. to be.
  • a stereoscopic image display device using a lenticular lens arranges left and right images in a stripe form on the focal plane of a lens called a lenticular screen having a semi-cylindrical shape. Make the video visible.
  • the width of one lens is determined by the width of the pixel of the indicator, which allows two pixels corresponding to the left and right images to enter. In this case, the pixel effect on the left side of the lens is visible only to the right eye, and the pixel on the right side is visible only to the left eye, thereby separating the left and right images.
  • FIGS. 1 and 2 The principle of a stereoscopic image display apparatus using a parallax barrier will be described with reference to FIGS. 1 and 2.
  • 1 is a conceptual diagram illustrating a principle of a stereoscopic image display apparatus using binocular disparity
  • FIG. 2 is a conceptual diagram illustrating a synthesis principle of a multiview image.
  • a stereoscopic image display apparatus using a parallax barrier is a technique of arranging thin stripe-shaped vertical slits for transmitting or blocking light at regular intervals, and then alternately arranging left and right images at appropriate intervals before or after them. Therefore, when viewed through this slit at a specific point in time, the left and right images are geometrically separated to feel a three-dimensional effect.
  • a striped parallax barrier that functions as a special glasses in front of the monitor screen, the user can recognize the stereoscopic image without wearing glasses.
  • the light blocking portion and the light transmitting portion are repeatedly arranged alternately in the form of vertical stripes.
  • the width of the light blocking portion becomes wider than the width of the light transmitting portion according to the number of viewpoints.
  • the horizontal resolution increases with the vertical resolution. Compared to the problem that is gradually reduced.
  • the parallax barrier according to the prior art is produced by printing a barrier film on the film, and then configured to arrange such a parallax barrier on the front of the display device.
  • a film-type parallax barrier is difficult to remove once installed, and even if separated, it is cumbersome to re-install through alignment, so the stereoscopic display device equipped with the parallax barrier can only watch stereoscopic images. Therefore, in order for a user to watch a 2D image, a separate display apparatus is required, and as a result, a 2D display apparatus and two 3D display apparatuses must be possessed, which is an economic burden on the user. Therefore, there is a demand for a device capable of selectively displaying 2D video and 3D video using only a single display device.
  • the present invention is to overcome the above-mentioned conventional problems, the problem to be solved by the present invention, when displaying a multi-view stereoscopic image of at least three views or more, the parallel resolution can be minimized compared to the vertical resolution To provide a rex barrier.
  • Another object of the present invention is to provide a multi-view stereoscopic image display apparatus and method capable of realizing a smooth stereoscopic image at various viewing angles without degrading resolution, and selectively switching between 2D and 3D images for viewing. It is for.
  • mapping the composite image to a display frame comprises grouping the display frame into a j ⁇ k multi-view pixel group, wherein each pixel group comprises a first pixel portion and a second pixel group.
  • the display panel for displaying a video signal;
  • a display panel driver for controlling driving of the display panel;
  • a parallax barrier panel disposed on the display panel to transmit a multi-view image displayed on the display panel;
  • a barrier panel driver for controlling the parallax barrier panel;
  • a controller configured to control operations of the display panel driver and the barrier panel driver, and to control mapping of a composite image to a display frame, wherein the parallax barrier panel alternately repeats light transmitting parts and variable light blocking.
  • variable light blocking unit is configured of a liquid crystal cell, and is selectively driven by a transparent or opaque cell, wherein the first pixel unit of each pixel group is formed of an R subpixel, a G subpixel, and a B subpixel through the light transmitting unit. Two subpixels are exposed, a second pixel portion is exposed to the R subpixel, a G subpixel, and a B subpixel, and the third pixel portion is any of the remaining subpixels and the non-exposed subpixels in the first pixel portion.
  • the light transmitting part and the variable light blocking part are disposed at an angle so that one is exposed, The playing apparatus is provided.
  • the present invention includes a light transmitting portion and a light blocking portion alternately arranged alternately, the width of the light transmitting portion is formed corresponding to the width of the sub-pixel of the display panel, the width of the light transmitting portion
  • the ratio of the width of the light blocking unit is set to 1: n-1, n is the number of viewpoints, n is an integer of 3 or more, and the mth row of the display panel is R, G, B through the light transmitting unit.
  • Two subpixels of the subpixels are exposed, and m + 1 rows expose all R, G, and B subpixels through the light transmitting portion, and m + 2 rows expose R, G, B through the light transmitting portion.
  • a parallax barrier and a multi-view stereoscopic image display apparatus having the same are provided such that the light transmitting portion and the light blocking portion are inclined at an angle so that two subpixels of the subpixels are exposed.
  • a smooth stereoscopic image can be realized at various viewing angles without degrading the resolution.
  • the LCD barrier panel as a parallax barrier, it is possible to selectively switch between 2D video and 3D video according to the operation of the LCD barrier panel.
  • FIG. 1 is a conceptual diagram illustrating the principle of a stereoscopic image display apparatus using binocular disparity.
  • FIG. 2 is a conceptual diagram illustrating a synthesis principle of a multiview image.
  • FIG. 3 is a conceptual diagram illustrating a multiview image synthesis principle based on a flat panel display device
  • FIG. 4 illustrates a structure of a synthesized image in an 8-view stereoscopic image display device according to an exemplary embodiment of the present invention.
  • FIG. 5 is a flowchart illustrating a stereoscopic image display method using a multi-view stereoscopic image display apparatus according to an exemplary embodiment of the present invention.
  • FIG. 6 illustrates a display frame
  • FIG. 7 illustrates a state in which the display frames are grouped into j ⁇ k multi-view pixel groups
  • FIG. 8 is a diagram for describing a configuration of each multi-view pixel group.
  • FIGS. 9 and 10 are diagrams illustrating a composite image mapping method in a multiview stereoscopic image display apparatus according to an exemplary embodiment of the present invention.
  • FIG. 11 is a schematic structural diagram of a parallax barrier configured to be suitable for a composite image mapping method in a multiview stereoscopic image display apparatus according to the present invention.
  • FIG. 12 is a partially enlarged view of the parallax barrier shown in FIG. 11.
  • FIG. 13 is a schematic structural diagram of a multi-view stereoscopic image display apparatus according to an exemplary embodiment of the present invention.
  • FIG. 14 is a state diagram when the multi-view stereoscopic image display apparatus of the present invention is used as a 2D display apparatus
  • FIG. 15 is a state diagram when the multi-view stereoscopic image display apparatus of the present invention is used as a 3D display apparatus.
  • 16 is a schematic configuration diagram of a stereoscopic image display device having a parallax barrier according to the present invention.
  • 17 is a schematic structural diagram of a parallax barrier according to another embodiment of the present invention.
  • FIG. 18 is a partially enlarged view of the parallax barrier shown in FIG. 17.
  • 19 is a schematic structural diagram of a parallax barrier according to another embodiment of the present invention.
  • FIG. 3 is a conceptual diagram illustrating a multiview image synthesis principle based on a flat panel display device
  • FIG. 4 illustrates a structure of a synthesized image in an 8-view stereoscopic image display device according to an exemplary embodiment of the present invention.
  • N means the number of viewpoints
  • (M, L) represents the size of an image.
  • the size of the image for each viewpoint should be set in consideration of the size and resolution of the final synthesized image.
  • the image data should be compressed in consideration of the size of the image for each viewpoint.
  • the size of the display frame is 1920 ⁇ 1024 pixels, and the display frame is divided into eight zones to match the image data for each viewpoint in each zone.
  • the 1 and 2 time points were set larger than the regions of the other time points (ie, 3 to 8 time points).
  • the size of the image for each viewpoint in the composite image is set to 640 ⁇ 384 pixels, and at 1 and 2 views, 640 ⁇ 128 pixels are additionally set in addition to 640 ⁇ 384 pixels.
  • the size of the first time point and the second time point is set to be larger, but is not limited thereto.
  • FIG. 5 is a flowchart illustrating a stereoscopic image display method using a multi-view stereoscopic image display apparatus according to an exemplary embodiment of the present invention.
  • a process of acquiring N images corresponding to N viewpoints is performed (S10).
  • the display panel is divided into N regions (S20), and a process of compressing an image for each viewpoint according to the size of the divided region is performed (S30).
  • a process of generating a composite image by disposing the compressed image for each viewpoint in each region is performed (S40).
  • the process of mapping the composite image generated through the process S40 to the display frame is performed (S50).
  • the multi-view stereoscopic image is provided to the multi-view stereoscopic image display panel (S60), and the multi-view stereoscopic image is displayed by operating the parallax barrier panel disposed on the display panel (S70).
  • FIG. 6 illustrates a display frame
  • FIG. 7 illustrates a state in which the display frames are grouped into j ⁇ k multi-view pixel groups
  • FIG. 8 illustrates a configuration of each multi-view pixel group.
  • 6 shows a display frame indicating the size of an area where an image is displayed through the display panel.
  • display frames are grouped into j ⁇ k multi-view pixel groups, where j and k are natural numbers.
  • 8 shows a configuration of each multiview pixel group, wherein each multiview pixel group includes a first pixel portion, a second pixel portion, and a third pixel portion, and each pixel portion includes N ⁇ 1 subpixels. Where N is the number of viewpoints.
  • N is 8 because it is 8 o'clock
  • the first pixel portion is composed of 8 ⁇ 1 subpixels
  • the second pixel portion is disposed under the first pixel portion, and is composed of 8 ⁇ 1 subpixels
  • the third pixel is disposed below the second pixel portion and consists of 8x1 subpixels.
  • three subpixels gather to form one pixel.
  • FIGS. 7 and 8 are diagrams illustrating a composite image mapping method in a multiview stereoscopic image display apparatus according to an exemplary embodiment of the present invention.
  • 9 and 10 first, as shown in FIGS. 7 and 8, display frames are grouped into j ⁇ k multi-view pixel groups.
  • each pixel group includes a first pixel portion, a second pixel portion, and a third pixel portion, and each pixel portion includes N ⁇ 1 subpixels.
  • N is eight. Therefore, each of the first to third pixel portions of each pixel group consists of 8x1 subpixels.
  • the synthesized image is mapped in a predetermined viewpoint arrangement order of the first pixel portion of the m-th row of the k multiview pixel groups arranged in an arbitrary column.
  • the second pixel portion of the m-th row maintains the view arrangement order of the first pixel portion of the m-th row, and moves left or right by one subpixel to map the composite image, and the third pixel portion of the m-th row
  • the synthesized image is mapped in the same manner as the second pixel portion of the mth row.
  • the first pixel portion of the m + 1th row disposed adjacent to the mthth row maintains the view arrangement order of the third pixel portion of the mth row, but moves left or right by one subpixel to map the composite image.
  • the second pixel portion of the m + 1th row maintains the view arrangement order of the first pixel portion of the m + 1th row, and shifts the composite image left or right by one subpixel to map the composite image.
  • the third pixel portion of the row maps the composite image in the same manner as the second pixel portion of the m + 1th row.
  • the synthesized image is mapped in the arrangement order of the viewpoint, eighth, seventh, sixth, fifth, fourth, third and second views.
  • the second pixel unit maintains the arrangement of viewpoints of the first pixel unit in the first row, but moves the left image by one subpixel to map the composite image.
  • the second pixel unit is arranged so as to sequentially decrease the viewpoint starting from the eighth viewpoint, that is, the eighth, seventh, sixth, fifth, fourth, third, second, and second views.
  • the synthesized images are mapped in an arrangement order of one time point.
  • the third pixel unit of the first row maps the composite image in the same manner as the second pixel unit. That is, the synthesized image is mapped in the arrangement order of the eighth, seventh, sixth, fifth, fourth, third, second, and first views.
  • the first pixel portion of the second row is arranged such that the viewpoint is sequentially reduced starting from the seventh time point, that is, the seventh time point, the sixth time point, the fifth time point, the fourth time point, the third time point, and the second time point.
  • the composite image is mapped in the arrangement order of the first time point and the eighth time point.
  • the second pixel portion and the third pixel portion of the second row may be arranged in an arrangement order of the sixth, fifth, fourth, fourth, and second views, the first, eighth, and seventh views.
  • the composite image is mapped.
  • the pixel portion of the remaining rows is also mapped in the same manner as the above method.
  • the composite image for each time point does not form pixels by R, G, and B subpixels, and the pixel is composed of only two subpixels of R, G, and B subpixels. Will be configured. That is, it can be seen that (1, 1) is composed of an R subpixel and two G subpixels, and (2, 1) is composed of a B subpixel and two G subpixels.
  • FIG. 11 is a schematic configuration diagram of a parallax barrier configured to be suitable for a composite image mapping method in a multiview stereoscopic image display apparatus according to the present invention
  • FIG. 12 is a partially enlarged view of the parallax barrier illustrated in FIG. 11.
  • the parallax barrier panel 300 includes a light transmitting unit 310 and a variable light blocking unit 320 that are alternately arranged alternately, and the variable light blocking unit 320 of the parallax barrier panel is It consists of a liquid crystal cell and is optionally driven by a transparent or opaque cell.
  • the parallax barrier panel 300 includes a light transmitting unit 310 and a variable light blocking unit 320 that are alternately arranged alternately, and the first pixel unit of each pixel group is an R subpixel through the light transmitting unit 310. Two subpixels of a G subpixel and a B subpixel are exposed, a second pixel portion is exposed to the R subpixel, a G subpixel and a B subpixel, and the third pixel portion is not exposed at the first pixel portion.
  • the light transmitting part 310 and the variable light blocking part 320 are inclined so that any one of the subpixels and the remaining subpixels is exposed.
  • the first pixel portion is the (6, 1) R subpixel and the (5, 1) G.
  • the subpixels are exposed, and the second pixel portion exposes (6, 1) B subpixels, (5, 1) R subpixels and (4, 1) G subpixels.
  • the third pixel portion exposes (6, 1) B subpixels and (5, 1) R subpixels.
  • the light transmitting unit 310 and the variable light blocking unit 320 are inclined at an angle, and the width of the light transmitting unit 310 is formed to correspond to the width of the subpixel of the display panel.
  • the ratio of the width of the variable light blocking portion 320 to the width of the variable light blocking portion 320 is set to 1: n-1, and the light transmitting portion 310 and the variable light blocking portion 320 are based on the row direction of the parallax barrier panel. Are placed at an angle of 75 to 80 degrees.
  • the width of the light transmitting part is formed to be equal to the width of each subpixel of the display panel, and the ratio of the width of the light transmitting part to the width of the variable light blocking part is 1: 7.
  • the ratio of the width of the light transmitting portion to the width of the variable light blocking portion is 1: n-1.
  • a viewer in a stereoscopic image display apparatus, a viewer can feel a stereoscopic feeling by viewing different images displayed on the left eye image pixel and the right eye image pixel through the light transmitting portion of the parallax barrier, respectively.
  • an image other than the corresponding image is displayed on the left or right eye of the viewer, such as when the left eye image is displayed on the left eye or the left eye image and the right eye image are simultaneously displayed on the left eye, the stereoscopic image may not be displayed properly. This point is called a bad point.
  • the bad viewpoint occurs as described above, the bad viewpoint disappears only when the viewer views the stereoscopic image display apparatus or changes the displayed image.
  • the inclination angle is described as 77.5 degrees, but since the difference in horizontal resolution and brightness is not largely changed within 2.5 degrees, the inclination angle of the light transmitting portion and the variable light blocking portion is preferably set to 75 degrees to 80 degrees. .
  • the width of the light transmitting portion is formed to be the same as the width of the subpixel, and the light transmitting portion and the variable light blocking portion are formed to be inclined at 77.5 degrees with respect to the row direction of the parallax barrier panel, even if the number of viewpoints increases. It is possible to prevent the horizontal resolution and brightness from deteriorating.
  • the bad viewpoint may disappear even if the movement viewpoint is minimized, thereby providing a more comfortable stereoscopic image to the viewer.
  • FIG. 13 is a schematic configuration diagram of a multiview stereoscopic image display apparatus according to an exemplary embodiment of the present invention
  • FIG. 14 is a state diagram when the multiview stereoscopic image display apparatus of the present invention is used as a 2D display apparatus
  • FIG. This is a state diagram when using the multi-view stereoscopic image display device of the invention as a 3D display device.
  • the multi-view stereoscopic image display apparatus includes a display panel 100, a display panel driver 200, a parallax barrier panel 300, a barrier panel driver 400, and a controller 500. do.
  • the display panel 100 displays an image signal
  • the display panel 100 displays a stereoscopic image signal of multiple views under the control of the display panel driver 200.
  • the display panel 100 may be a flat panel display panel, for example, a liquid crystal display, a plasma display, an OLED display, or the like.
  • the parallax barrier panel 300 is disposed on the display panel 100 to transmit a multi-view image displayed on the display panel 100.
  • the parallax barrier panel 300 includes a light transmitting unit 310 and a variable light blocking unit 320 which are alternately arranged alternately, and the variable light blocking unit 320 is composed of a liquid crystal cell, and is optionally transparent or opaque. Driven by the cell.
  • a liquid crystal display may be used as the parallax barrier panel 300, but is not limited thereto.
  • the barrier panel driver 400 controls the on / off operation of the parallax barrier panel 300 to switch the display panel 100 to a 2D or 3D display device.
  • the controller 500 controls the operations of the display panel driver 200 and the barrier panel driver 400, and controls the mapping of the composite image to the display frame.
  • the stereoscopic image display apparatus includes a display panel driver 200, a display panel 300, and a parallax barrier 400.
  • the display panel driver 200 controls the display panel 300 to display a stereoscopic image signal of multiple views in a form suitable for the parallax barrier 400.
  • the display panel driver 200 controls the display panel driver 200 to display a stereoscopic image image at any point of time through the light transmitting unit 410.
  • the display panel 300 displays a stereoscopic image signal of multiple views under the control of the display panel driver 200.
  • the display panel 300 may be a flat panel display panel, for example, a liquid crystal display, a plasma display, an OLED display, or the like.
  • the parallax barrier 400 includes a light transmitting part 410 and a light blocking part 420 to selectively transmit a multi-view image displayed on the display panel 300.
  • the light transmitting part 410 and the light blocking part 420 are alternately arranged alternately, and the light transmitting part 410 and the light blocking part 420 are formed in the form of vertical stripes inclined at an angle.
  • FIG. 17 is a schematic structural diagram of a parallax barrier according to an embodiment of the present invention
  • FIG. 18 is a partially enlarged view of the parallax barrier shown in FIG. 17.
  • the parallax barrier shown in Figs. 17 and 18 exemplifies a parallax barrier used for an 8-view stereoscopic image display device as an example.
  • 17 and 18 are views illustrating a parallax barrier disposed on a display panel.
  • the display panel 300 includes a plurality of pixels, and one pixel includes three subpixels, that is, an R subpixel, a G subpixel, and a B subpixel.
  • the width of the light transmitting part 410 is formed to be equal to the width of each subpixel of the display panel 300, and the ratio of the width of the light transmitting part 410 to the width of the light blocking part 420 is 1: 7. . That is, in the case of n time, the ratio of the width of the light transmitting portion to the width of the light blocking portion is 1: n-1.
  • the light transmitting part 410 and the light blocking part 420 are formed to be inclined at 77.5 degrees with respect to the x-axis direction, that is, the row direction of the parallax barrier.
  • the optimal tilt angle of the parallax barrier was derived through simulation and experiment. In general, in a stereoscopic image display apparatus, a viewer can feel a stereoscopic feeling by viewing different images displayed on the left eye image pixel and the right eye image pixel through the light transmitting portion of the parallax barrier, respectively.
  • the stereoscopic image may not be displayed properly. This point is called a bad point.
  • the bad viewpoint occurs as described above, the bad viewpoint disappears only when the viewer views the stereoscopic image display apparatus or changes the displayed image.
  • the other conditions such as the type of image to be displayed, the size of the stereoscopic image display device (70 inches), and the viewing distance of the viewer (5 m) are set to the same, and then the light transmitting portion 410 and the light of the parallax barrier
  • the inclination angle of the blocking unit 420 By setting the inclination angle of the blocking unit 420 differently, the correlation between the inclination inclination of the parallax barrier and the moving distance for escaping the bad viewpoint was derived through experiments, and the results are as follows.
  • the inclination angle is described as 77.5 degrees, but since the difference in horizontal resolution and brightness is not largely changed within 2.5 degrees, the inclination angles of the light transmitting part 410 and the light blocking part 420 are 75 degrees to 80 degrees. It is preferable to set also.
  • the width of the light transmitting part is formed equal to the width of the subpixel, and the light transmitting part and the light blocking part are formed to be inclined at 77.5 degrees with respect to the row direction of the parallax barrier, the horizontal resolution is increased even if the number of viewpoints is increased. And brightness can be prevented from being lowered.
  • the bad viewpoint may disappear even if the movement viewpoint is minimized, thereby providing a more comfortable stereoscopic image to the viewer.
  • 19 is a schematic structural diagram of a parallax barrier according to another embodiment of the present invention.
  • the width of the light transmitting part 410 is equal to the width of each subpixel of the display panel 300, and the ratio of the width of the light transmitting part 410 to the width of the light blocking part 420 is Form 1: 7.
  • the inclination angle of the light transmitting part 410 and the light blocking part 420 is formed to be 77.5 degrees, and the boundary area between the light transmitting part 410 and the light blocking part 420 is formed in an uneven shape.
  • the boundary area between the light transmitting part 410 and the light blocking part 420 is formed to have a step shape as a whole.
  • the brightness of the stereoscopic image display device may be improved compared with the case where the boundary area between the light transmitting part 410 and the light blocking part 420 is not formed.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
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  • Optics & Photonics (AREA)
  • Geometry (AREA)
  • General Physics & Mathematics (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)

Abstract

L'invention concerne une barrière de parallaxe et un appareil et un procédé d'affichage d'image tridimensionnelle à points de vue multiples la comprenant. Cette barrière de parallaxe comprend une unité de transmission de lumière et une unité de protection contre la lumière agencées alternativement, l'unité de transmission de lumière possédant une largeur correspondant à la largeur du sous-pixel d'un panneau d'affichage, et le rapport entre la largeur de l'unité de transmission de lumière et la largeur de l'unité de protection contre la lumière est de 1:n-1, n représentant le nombre de points de vue et n étant un nombre entier supérieur à 3, l'unité de transmission de lumière et l'unité de protection contre la lumière étant inclinées selon un angle prédéfini de sorte que deux sous pixels parmi les sous-pixels R, G et B soient exposés à l'unité de transmission de lumière dans la mième ligne du panneau d'affichage, tous les sous-pixels R, G et B étant exposés à l'unité de transmission de lumière dans la (m+1)ième ligne du panneau d'affichage, et deux sous-pixels parmi les sous-pixels R, G et B étant exposés à l'unité de transmission de lumière dans la (m+2)ième ligne du panneau d'affichage. Cette invention concerne également un appareil et un procédé d'affichage d'image tridimensionnelle à points de vue multiples comprenant la barrière de parallaxe,
PCT/KR2010/002276 2009-06-04 2010-04-13 Barrière de parallaxe et appareil et procédé d'affichage d'image tridimensionnelle à points de vue multiples la comprenant Ceased WO2010140767A2 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR1020090049563A KR100938481B1 (ko) 2009-06-04 2009-06-04 패럴렉스 배리어 및 이를 구비한 입체영상 디스플레이 장치
KR10-2009-0049563 2009-06-04
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CN103314596A (zh) * 2011-01-04 2013-09-18 三星电子株式会社 3d显示设备及其方法
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CN103581652A (zh) * 2013-11-27 2014-02-12 重庆卓美华视光电有限公司 多视点立体视频数据处理方法及装置
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EP2538686A3 (fr) * 2011-06-23 2017-03-22 LG Electronics Inc. Appareil et procédé d'affichage d'images tridimensionnelles
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CN103314596A (zh) * 2011-01-04 2013-09-18 三星电子株式会社 3d显示设备及其方法
US10321118B2 (en) 2011-01-04 2019-06-11 Samsung Electronics Co., Ltd. 3D display device and method
CN103314596B (zh) * 2011-01-04 2016-06-01 三星电子株式会社 3d显示设备及其方法
CN103477643A (zh) * 2011-04-11 2013-12-25 李钟五 立体显示板、立体显示装置以及立体显示方法
EP2538686A3 (fr) * 2011-06-23 2017-03-22 LG Electronics Inc. Appareil et procédé d'affichage d'images tridimensionnelles
CN103581652A (zh) * 2013-11-27 2014-02-12 重庆卓美华视光电有限公司 多视点立体视频数据处理方法及装置
US9779645B2 (en) 2014-06-26 2017-10-03 Boe Technology Group Co., Ltd. Display panel, display method and display device
CN104036701A (zh) * 2014-06-26 2014-09-10 京东方科技集团股份有限公司 显示面板及显示方法、显示装置
CN110012285A (zh) * 2019-04-19 2019-07-12 成都工业学院 一种多视点立体显示装置
CN110012285B (zh) * 2019-04-19 2023-11-10 成都工业学院 一种多视点立体显示装置
CN115022612A (zh) * 2022-05-31 2022-09-06 北京京东方技术开发有限公司 一种显示装置的驱动方法、装置及显示设备
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