WO2013014786A1 - Stereoscopic liquid crystal monitor, stereoscopic image display device and stereoscopic image display method - Google Patents

Stereoscopic liquid crystal monitor, stereoscopic image display device and stereoscopic image display method Download PDF

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Publication number
WO2013014786A1
WO2013014786A1 PCT/JP2011/067269 JP2011067269W WO2013014786A1 WO 2013014786 A1 WO2013014786 A1 WO 2013014786A1 JP 2011067269 W JP2011067269 W JP 2011067269W WO 2013014786 A1 WO2013014786 A1 WO 2013014786A1
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WO
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Prior art keywords
liquid crystal
eye image
crystal element
light
sub
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PCT/JP2011/067269
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French (fr)
Japanese (ja)
Inventor
荒井　豊
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Ｎｅｃディスプレイソリューションズ株式会社
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Priority to PCT/JP2011/067269 priority Critical patent/WO2013014786A1/en
Publication of WO2013014786A1 publication Critical patent/WO2013014786A1/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/30—Image reproducers
    • H04N13/302—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
    • 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
    • G02B30/22—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 stereoscopic type
    • G02B30/25—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 stereoscopic type using polarisation techniques

Definitions

  • the present invention relates to a stereoscopic video liquid crystal monitor (liquid crystal display), a stereoscopic video liquid crystal display device, and a stereoscopic video display method.
  • FIG. 3 is a diagram showing a cross-sectional view in the arrangement direction of the scanning lines of the display unit in the stereoscopic video liquid crystal monitor.
  • the liquid crystal panel 101 and the filter plate 103 are arranged to face each other with the glass member 102 interposed therebetween. Further, the liquid crystal elements of the left-eye image liquid crystal element 101a and the right-eye image liquid crystal element 101b are alternately arranged for each scanning line. That is, the scanning lines of the left-eye image liquid crystal element 101a and the right-eye image liquid crystal element 101b are alternately arranged. The light emitted from each of the liquid crystal elements of the adjacent left-eye image liquid crystal element 101a and the scan line of the right-eye image liquid crystal element 101b interferes, and the display of the displayed pixel crosstalks. .
  • FIG. 4 is a diagram showing a cross-sectional view of a stereoscopic video liquid crystal monitor in which a light shielding portion is provided between the scanning line of the left-eye image liquid crystal element 101a and the scanning line of the right-eye image liquid crystal element 101b on the filter plate 103. .
  • the ratio of the light shielding part increases as the viewing angle is increased to such an extent that crosstalk does not occur.
  • the display brightness is lowered by reducing the aperture ratio of the transmission part, and the image quality of the displayed image is lowered.
  • the problem to be solved is that, in order to realize a wide viewing angle that does not cause crosstalk, the area of the opening through which light is transmitted is provided by providing a light blocking portion between the liquid crystal elements for adjacent right and left eyes. Is reduced, the display luminance is suppressed, and the image quality of the displayed image is lowered.
  • the present invention is a stereoscopic video liquid crystal monitor, in which one pixel is composed of three sub-pixels of first, second, and third sub-pixels, and the second in the arrangement direction of the first, second, and third sub-pixels.
  • the sub-pixel is used as a light-blocking material that does not transmit light, and the two sub-pixels of the first and third sub-pixels adjacent on both sides of the second sub-pixel are alternately arranged as the left-eye image liquid crystal element and the right-eye image liquid crystal element.
  • a first filter unit having a first polarization axis as light passing therethrough is disposed at a position overlapping the liquid crystal panel and the left-eye image liquid crystal element in plan view, and the right-eye image liquid crystal element in plan view
  • a filter plate in which a second filter unit having light passing therethrough as a second polarization axis is disposed at the overlapping position, and a light blocking unit for blocking light is disposed at a position overlapping the second subpixel in plan view. It is characterized in.
  • the present invention is a liquid crystal image liquid crystal monitor, wherein the arrangement direction of the first, second and third subpixels is perpendicular to a scanning line.
  • the present invention is a liquid crystal image liquid crystal monitor, wherein the arrangement direction of the first, second and third subpixels is parallel to a scanning line.
  • the present invention is a stereoscopic image display device, wherein one pixel is composed of three subpixels of first, second, and third subpixels, and the second in the arrangement direction of the first, second, and third subpixels.
  • the sub-pixel is used as a light-blocking material that does not transmit light, and the two sub-pixels of the first and third sub-pixels adjacent on both sides of the second sub-pixel are alternately arranged as the left-eye image liquid crystal element and the right-eye image liquid crystal element.
  • a first filter unit having a first polarization axis as light passing therethrough is disposed at a position overlapping the liquid crystal panel and the left-eye image liquid crystal element in plan view, and the right-eye image liquid crystal element in plan view
  • a filter plate in which a second filter portion having light passing therethrough as a second polarization axis is disposed at an overlapping position, and a light shielding portion for blocking light is disposed at a position overlapping the second sub-pixel in plan view;
  • the image data input from the left eye image data is divided into left eye image data and right eye image data according to identification information added to the image data, and the left eye image data is transferred to the left eye image liquid crystal element and the right eye image data.
  • a video signal processing unit for supplying image data to the right-eye image liquid crystal element.
  • the present invention is a stereoscopic image display method, in which one pixel is composed of three subpixels of first, second, and third subpixels, and the second in the arrangement direction of the first, second, and third subpixels.
  • the sub-pixel is used as a light-blocking material that does not transmit light, and the two sub-pixels of the first and third sub-pixels adjacent on both sides of the second sub-pixel are alternately arranged as the left-eye image liquid crystal element and the right-eye image liquid crystal element.
  • a first filter unit having a first polarization axis as light passing therethrough is disposed at a position overlapping the liquid crystal panel and the left-eye image liquid crystal element in plan view, and the right-eye image liquid crystal element in plan view
  • a filter plate in which a second filter unit having light passing therethrough as a second polarization axis is disposed at an overlapping position and a light blocking unit for blocking light is disposed at a position overlapping the second subpixel in plan view.
  • a stereoscopic video display device wherein the video signal processing unit converts image data input from outside into image data for left eye and image data for right eye based on identification information added to the image data. And the left-eye image data is supplied to the left-eye image liquid crystal element, and the right-eye image data is supplied to the right-eye image liquid crystal element.
  • the stereoscopic image liquid crystal monitor according to the present invention arranges the image liquid crystal element for the left eye and the image liquid crystal element for the right eye through the light shielding part continuously in units of 2 sub-pixels, so that the ratio of the light shielding part can be increased as compared with the prior art.
  • the viewing angle can be widened and the crosstalk can be suppressed without reducing the aperture ratio of the transmission part.
  • FIG. 3 is a cross-sectional view taken along the arrangement direction of scanning lines of the display unit of the stereoscopic video liquid crystal monitor according to the first embodiment of the present invention. It is a figure which shows the structural example of the three-dimensional-video display apparatus in the 2nd Embodiment of this invention. It is a figure which shows the line view cross section in the sequence direction of the scanning line of the display part of a stereoscopic video liquid crystal monitor. It is a figure which shows the line view cross section of the display part of the stereoscopic video liquid crystal monitor which provided the light-shielding part between the scanning line of the image for right eyes in the filter board 103, and the scanning line of the image for right eyes.
  • the present invention relates to a liquid crystal panel and a filter plate of a monochrome display device in which one pixel is composed of three sub-pixels (liquid crystal elements) of LCR, and the sub-pixel L is a left-eye image liquid crystal element in odd-numbered scanning line pixels.
  • Subpixel C is a light-shielding liquid crystal element
  • subpixel R is a right-eye image liquid crystal element
  • subpixel L is a right-eye image liquid crystal element in pixels of even-numbered scanning lines
  • subpixel C is a light-shielding liquid crystal element.
  • the viewing angle can be widened without reducing the aperture ratio of the transmission part. Realized possible arrangement of shading part.
  • the sub-pixel L is a left-eye image liquid crystal element in even-numbered scanning line pixels.
  • the pixel C is a light-shielding liquid crystal element
  • the sub-pixel R is a right-eye image liquid crystal element
  • the sub-pixel L is a right-eye image liquid crystal element
  • the sub-pixel C is a light-shielding liquid crystal element.
  • R is a left-eye image liquid crystal element
  • a left-eye image liquid crystal element and a right-eye image liquid crystal element are arranged for every two pixels
  • a left-eye image liquid crystal element and a right-eye image liquid crystal element are arranged for every two pixels.
  • FIG. 1 is a cross-sectional view taken along the direction in which scanning lines are arranged in the display unit of the stereoscopic image liquid crystal monitor according to the first embodiment of the present invention (that is, in the direction perpendicular to the scanning lines). That is, the subpixels L, C, and R that form each pixel are arranged in a direction perpendicular to the scanning line. For this reason, each of the subpixels L, C, and R constitutes a scanning line. That is, the subpixel L is configured as a scanning line configured as an image liquid crystal element, the subpixel C is configured as a scanning line configured as an image liquid crystal element (actually a light shielding liquid crystal element), and the subpixel R is configured as an image liquid crystal element. Scan lines are formed.
  • the display unit of the stereoscopic video liquid crystal monitor includes a backlight (not shown), a liquid crystal panel 101, a glass member 102, and a filter plate (patterning phase difference plate) 103.
  • the backlight is disposed to face the back surface of the liquid crystal panel 101, that is, the surface opposite to the surface of the liquid crystal panel 101 facing the glass member 102.
  • each pixel is configured as one pixel by sequentially arranging three subpixels L, C, and R in the vertical direction, for example. In the present embodiment, as will be described later, these three subpixels are used as one pixel, and each subpixel is used as a left-eye image liquid crystal element, a right-eye image liquid crystal element, and a light-shielding liquid crystal element.
  • the subpixel L is set as the left-eye image liquid crystal element 101a
  • the subpixel R is set as the right-eye image liquid crystal element 101b
  • the sub-pixel C is set as the light shielding liquid crystal element 101d.
  • the liquid crystal panel 101 even-numbered pixels (second column in FIG. 1) in the scanning line direction have the sub-pixel L set as the right-eye image liquid crystal element 101b and the sub-pixel R as the left-eye image video element 101a.
  • the sub-pixel C is set as the light-shielding video element 101d.
  • the liquid crystal panel 101 composed of pixels (consisting of subpixels L, C, and R) adjacent in the column direction (the direction X from the top to the bottom of the figure) has the subpixel L in the adjacent portion.
  • the sub-pixel R is set to be the same in either the left-eye image liquid crystal element 101a or the right-eye image liquid crystal element 101b. In the same pixel, either the sub-pixel L or the sub-pixel R is the left-eye image liquid crystal element 101a. And the other is set and arranged as the right-eye image liquid crystal element 101b.
  • the portion corresponding to the sub-pixel L is set as the left-eye filter unit 103a.
  • a portion corresponding to R is set as the right-eye filter portion 103b, and a portion corresponding to the subpixel C is set as the light shielding portion 103d.
  • the filter region corresponding to the even-numbered pixels (second column in FIG. 1) in the scanning line direction has the portion corresponding to the sub-pixel L set as the right-eye filter unit 103b, and the sub-pixel R Is set as the left-eye filter unit 103a, and the part corresponding to the sub-pixel C is set as the light shielding unit 103d.
  • the left-eye filter unit 103a polarizes the polarization axis of the light emitted from the sub-pixel to the first polarization axis
  • the right-eye filter unit 103b uses the polarization axis of the light emitted from the sub-pixel as the first polarization axis. Polarizes to a second polarization axis at right angles.
  • one of the subpixel R and the subpixel L is the right-eye image liquid crystal element 101a, and the other is the left-eye image liquid crystal.
  • Subpixels R and L that are continuously arranged on both sides of the subpixel C between adjacent pixels are used for the same polarization axis, and the polarization axes are alternately different on both sides of the subpixel C. Has been placed.
  • the scanning lines of the odd-numbered pixels of the liquid crystal panel 101 and the filter regions corresponding to the odd-numbered scanning lines of the liquid crystal panel 101 on the filter plate 103 are arranged to face each other, and are viewed in plan (on the display surface of the liquid crystal panel). (Vertical direction) with respect to each other.
  • the scanning lines of the even-numbered pixels of the liquid crystal panel 101 and the filter region corresponding to the even-numbered scanning lines of the liquid crystal panel 101 on the filter plate 103 are arranged to face each other and overlap each other in plan view. Has been placed.
  • the left-eye image liquid crystal element 101a and the left-eye filter unit 103a overlap each other in plan view
  • the right-eye image liquid crystal element 101b and the right-eye filter unit 103b overlap each other in plan view.
  • the light-shielding liquid crystal element 101d and the light-shielding portion 103d are arranged at positions that overlap in a plan view.
  • the left-eye filter unit 103a described above changes the polarization axis of linearly polarized light transmitted through the left-eye image liquid crystal element 101a with an aperture corresponding to the set gradation, and performs, for example, left-circular polarization for the left eye.
  • the right-eye filter unit 103b changes the polarization axis of linearly polarized light transmitted through the right-eye image liquid crystal element 101b with an aperture corresponding to the set gradation, and performs right-circular polarization for the right eye, for example.
  • the light shielding portion 103d is provided as a mask that does not transmit light.
  • a user wears spectacle glasses when viewing a 3D image.
  • These glasses are circularly polarized glasses, with a left circular polarization part on the left side that transmits only the left circularly polarized light and irradiates the user's left eye, while a right circular polarization part is provided on the right side and the right circle. Only polarized light is transmitted and irradiated to the user's right eye.
  • the left-eye filter unit 103a and the right-eye filter unit 103b are configured so that either one of the polarization axes of the light emitted from the other and the polarization axis of the light emitted from the other are linearly polarized light. May be.
  • the glasses are linear polarization glasses, and linear polarization units are provided on the left and right sides, corresponding to the left eye filter unit 103a and the right eye filter unit 103b, and the polarization axis of the left linear polarization unit.
  • the polarization axes of the right linear polarization section are orthogonal to each other.
  • the subpixel C is arranged as the light-shielding liquid crystal element 103d for every two lines of the image liquid crystal elements of the subpixel L and the subpixel R.
  • the sub-pixel L and the sub-pixel R are alternately used as the left-eye image liquid crystal element 101a and the right-eye image liquid crystal element 101b in the odd-numbered scan lines and the even-numbered scan lines.
  • the subpixel L and the subpixel R that are necessarily adjacent to each other are either the left-eye image liquid crystal element 101a or the right-eye image liquid crystal element 101b. Therefore, in the liquid crystal panel 101, two sub-pixels having the same polarization axis (for the right eye or for the left eye) are arranged with two light shielding liquid crystal elements 101d interposed therebetween.
  • the left-eye filter unit 103a is opposed to each of the sub-pixels L and R of the continuous left-eye image liquid crystal element 101a, and two left-eye filter units 103a are continuously arranged.
  • the right-eye filter portion 103b is opposed to each of the sub-pixels L and R of the continuous right-eye image liquid crystal element 101b, and two right-eye filter portions 103b are continuously provided.
  • the left-eye filter unit 103a may be configured as a single filter unit having a width corresponding to two of the left-eye image liquid crystal element 101a.
  • the right-eye filter unit 103b may be configured as one filter unit having a width corresponding to two of the right-eye image liquid crystal elements 101b.
  • the filter unit facing the adjacent sub-pixel L and sub-pixel R is always This is the left-eye filter unit 103a.
  • the filter portion facing the adjacent sub-pixel L and sub-pixel R is always the right-eye filter portion 103b. Accordingly, in the filter unit 103, two filter units having the same polarization axis (for the right eye or for the left eye) are arranged with the light blocking unit 103d facing the light blocking liquid crystal element 101d interposed therebetween.
  • the image liquid crystal for the left eye is arranged in the scanning line arrangement unit of the scanning line composed of the subpixel L, the scanning line composed of the subpixel C, and the scanning line composed of the subpixel R. Since either one of the element and the right-eye image liquid crystal element is used as a subpixel L and the other is used as a subpixel R, two subpixels corresponding to the same polarization axis are alternately changed for each arrangement unit. Compared to the conventional configuration in which a light-shielding portion is provided for each pixel because the light-shielding portion is arranged between these image liquid crystal elements, the cross-talk is not generated. Even if the viewing angle is widened, the area of the light shielding portion in plan view is reduced, the brightness value of the image to be displayed can be increased, and the image quality of the displayed image can be improved.
  • the sub-pixel C of the liquid crystal panel 101 facing the light shielding portion 103d of the filter plate 103 is used as a light shielding liquid crystal element 101d in a state in which light is not emitted (off). Since the amount of light that wraps around decreases, interference can be further reduced and the occurrence of crosstalk can be suppressed.
  • the presence of the light-shielding liquid crystal element 101d increases the distance between the left-eye image liquid crystal element 101a and the right-eye filter portion 103b as compared with the prior art, and thus the left-eye image liquid crystal element 101a.
  • the amount of the light emitted from the right eye reaches the right-eye filter portion 103b can be suppressed as compared with the conventional case.
  • the distance between the right-eye image liquid crystal element 101b and the left-eye filter portion 103a is longer than that in the past due to the presence of the light-shielding liquid crystal element 101d, the light emitted from the right-eye image liquid crystal element 101b.
  • the arrangement configuration of the sub-pixels is a case where FIG. 1 is a cross section in a direction perpendicular to the scanning line.
  • the second embodiment has a configuration in which the liquid crystal panel 101 in FIG. 1 has a cross section in a direction parallel to the scanning lines. That is, in the second embodiment, in the liquid crystal panel 101, the subpixels L, C, and R are arranged on the same scanning line.
  • each column of subpixels in the direction perpendicular to the scanning line is, for example, the first column of pixels, and the column of subpixels L is the left-eye image liquid crystal element 101a.
  • the column of subpixels C is a light-shielding liquid crystal element 101d
  • the subpixel R is a right-eye subpixel 101b.
  • the row of subpixels L is the right-eye image liquid crystal device 101b
  • the row of subpixels C is the light-shielding liquid crystal device 101d
  • the subpixel R is the left-eye subpixel 101a. It becomes.
  • 101b are alternately arranged. That is, in the liquid crystal panel 101, the left-eye image liquid crystal element 101a and the right-eye image are arranged in units of two sub-pixels with the sub-pixel C column of the light-shielding liquid crystal element 101d interposed therebetween in the scanning line direction.
  • the liquid crystal element 101b rows are alternately arranged.
  • the left-eye filter unit 103a in the filter unit 103 is opposed to a position overlapping the column of the left-eye image liquid crystal elements 101a in the liquid crystal panel 101 in plan view through the glass member 102, as in the first embodiment.
  • the right-eye filter unit 103b in the filter unit 103 is disposed so as to be opposed to the row of the right-eye image liquid crystal elements 101b in the liquid crystal panel 101 through the glass member 102 in a plan view.
  • the light shielding portion 103 d in the filter portion 103 is disposed so as to be opposed to the row of the light shielding liquid crystal elements 101 d in the liquid crystal panel 101 in a plan view with the glass member 102 interposed therebetween.
  • the scan line composed of the scan line composed of the subpixel L, the scan line composed of the subpixel C, and the scan line composed of the subpixel R In order to change alternately one of the left-eye image liquid crystal element and the right-eye image liquid crystal element as the sub-pixel L and the other as the sub-pixel R in the arrangement unit of Since two subpixels corresponding to the axis are arranged in succession and a light shielding portion is provided between the image liquid crystal elements, the subpixel is provided with a light shielding portion for each pixel.
  • the area of the light-shielding portion in plan view is reduced, and the brightness value of the displayed image can be increased, improving the image quality of the displayed image. It is possible.
  • the sub-pixel C of the liquid crystal panel 101 facing the light shielding portion 103d of the filter plate 103 does not emit light (off) as the light shielding liquid crystal element 101d. Since it is used as a state, the amount of light that goes around the light-shielding portion is reduced, so that interference can be further reduced and occurrence of crosstalk can be suppressed.
  • FIG. 2 is a diagram illustrating a configuration example of a stereoscopic video display apparatus according to the third embodiment of the present invention.
  • the stereoscopic video display device according to the present embodiment is a display device in which the stereoscopic video liquid crystal monitor according to the first embodiment is used as the display device 15 (described later).
  • the stereoscopic video display apparatus of the present embodiment includes a video signal receiving unit 11, a video signal storage unit 12, a video signal processing unit 13, a video signal output unit 14, and a display device 15.
  • This display device 15 is the stereoscopic video liquid crystal monitor of the first embodiment.
  • the video signal receiving unit 11 receives a video signal supplied from an external personal computer and outputs the received video signal to the video signal processing unit 13.
  • the video signal processing unit 13 once writes and stores the supplied video signal in the video signal storage unit 12 and outputs the video signal to the video signal output unit 14 as a right-eye video signal and a left-eye video signal.
  • the video signal output unit 14 writes the supplied left-eye video signal to the left-eye image liquid crystal element of the display device 15, and writes the right-eye video signal to the right-eye image liquid crystal element of the display device 15.
  • the video signal receiving unit 11 receives a video signal in a format such as DVI (Digital Visual Interface) supplied from an external device (such as the personal computer described above), and a subsequent circuit such as the video signal processing unit 13 performs processing. Convert to image data in signal format. Then, the video signal receiving unit 11 outputs the image data whose signal format has been converted to the video signal processing unit 13.
  • This image data is data such as the degree of gradation for each pixel, input signal information for identifying left-eye image data and right-eye image data extracted from the video signal is added, and time series from an external device Is input.
  • the video signal processing unit 13 determines whether the video signal supplied from the video signal receiving unit 11, that is, image data, is left-eye image data or right-eye image data according to the added input signal information. To do. Then, the video signal processing unit 13 writes and stores the left-eye image data in the left-eye image data storage area in the video signal storage unit 12, and stores the right-eye image data in the right-eye image data storage area in the video signal storage unit 12. Write and store.
  • the video signal processing unit 13 previously stores the scanning line for the left-eye subpixel or the scanning line for the right-eye subpixel in the display device 15.
  • the image data is output to the video signal output unit 14 in the order set internally.
  • the video signal processing unit 13 outputs data that does not open the liquid crystal element, that is, data corresponding to a gradation level of “0”, to the scanning line of the light shielding liquid crystal element 101d.
  • the light-shielding liquid crystal element 101d maintains the light-shielded state without transmitting the light emitted from the backlight like the other left-eye subpixel 101a and right-eye subpixel 101b.
  • the video signal output unit 14 converts the input image data into a signal format that matches the input format of the display device 15, for example, into a signal format of LVDS (Low Voltage Differential Signaling), and displays the display device. 15 is output.
  • LVDS Low Voltage Differential Signaling
  • the display device 15 converts the supplied image data into a control voltage level for adjusting the luminance according to the order of supply, and writes the converted image data to each of the left-eye subpixel and the right-eye subpixel. Perform display processing.
  • two subpixels corresponding to the same polarization axis are displayed in succession, and image data having the same polarization axis is displayed, and between these image liquid crystal elements. Since the provided light-shielding liquid crystal element does not transmit light, the plane of the light-shielding portion can be obtained even if the viewing angle is widened compared to the conventional configuration in which a light-shielding portion is provided for each pixel. The visual area is reduced, the luminance value of the displayed image can be increased, and the image quality of the displayed image can be improved.
  • the sub-pixel C of the liquid crystal panel 101 facing the light shielding portion 103d of the filter plate 103 does not emit light (off) as the light shielding liquid crystal element 101d. Since it is used as a state, the amount of light that goes around the light-shielding portion is reduced, so that interference can be further reduced and occurrence of crosstalk can be suppressed.
  • the stereoscopic video display device according to the present embodiment is a display device in which the stereoscopic video liquid crystal monitor according to the second embodiment is used as the display device 15.
  • the configuration of this embodiment is the same as that of the third embodiment shown in FIG.
  • only differences from the third embodiment will be described in the present embodiment.
  • the video signal processing unit 13 determines the image data supplied from the video signal receiving unit 11 in the left-eye image data storage area and the right-eye image data storage area of the video signal storage unit 12 based on the input signal information, The operations up to the sorting and storing are the same as in the first embodiment.
  • the video signal processing unit 13 When reading out the pixel data of the scanning line, the video signal processing unit 13 takes two consecutive subpixel units from each of the left-eye image data storage area and the right-eye image data storage area of the video signal storage unit 12. The left-eye image data or the right-eye image data is successively read out two by two.
  • the video signal processing unit 13 determines whether to read two pieces of image data in the order of the left-eye image data or the right-eye image data, according to the left-eye image liquid crystal element 101a in the target display device 15. It is preset in advance corresponding to the arrangement order of the right-eye image liquid crystal elements 101b.
  • the video signal processing unit 13 sequentially outputs the left-eye image data or the right-eye image data read for every two subpixels to the video signal output unit 14.
  • the video signal processing unit 13 is between the two subpixels (for example, subpixel L) in the same polarization axis direction and the next two subpixels (for example, subpixel R) in the same polarization direction.
  • the image data for the light shielding liquid crystal element 101d is inserted with the data of the light shielding image data (gradation degree 0) for the subpixel C, and the subpixels (R, L), C, (R, L), C , (R, L)... Sequentially output.
  • the video signal output unit 14 outputs the supplied image data to the display device 15 by the LVDS transmission method.
  • the display device 15 performs display processing of the image data supplied from the video signal output unit 14 in the order of the sub-pixels L, C, and R, as in the third embodiment.
  • two subpixels corresponding to the same polarization axis are displayed in succession, and image data having the same polarization axis is displayed, and between these image liquid crystal elements. Since the provided light-shielding liquid crystal element does not transmit light, the plane of the light-shielding portion can be obtained even if the viewing angle is widened compared to the conventional configuration in which a light-shielding portion is provided for each pixel. The visual area is reduced, the luminance value of the displayed image can be increased, and the image quality of the displayed image can be improved.
  • the sub-pixel C of the liquid crystal panel 101 facing the light shielding portion 103d of the filter plate 103 does not emit light (off) as the light shielding liquid crystal element 101d. Since it is used as a state, the amount of light that goes around the light-shielding portion is reduced, so that interference can be further reduced and occurrence of crosstalk can be suppressed.
  • Display device 101 Liquid crystal panel 101a Image liquid crystal element for left eyes 101b Image liquid crystal element for right eyes 101d Light-shielding liquid crystal element 102 Glass member 103 Filter part 103a Filter part for left eye 103b Filter part for right eye 103d Light-shielding part C, L, R Subpixel

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  • Optics & Photonics (AREA)

Abstract

This stereoscopic image display monitor is provided with: a liquid crystal panel, wherein one pixel comprises three subpixels consisting of a first subpixel (L), a second subpixel (C) and a third subpixel (R), the second subpixel is used as a light-blocking liquid crystal element (101d) that does not transmit light in the array direction of the first, second and third subpixels, and the first and third subpixels, which adjoin either side of the second subpixel, are alternately positioned as liquid crystal elements for a left eye image (101a) and liquid crystal elements for a right eye image (101b); and a filter plate, wherein first filter sections (103a), which serve as a first polarizing axis for transmitted light, are disposed at positions that overlap with the liquid crystal elements for the left eye image in a planar view, second filter sections (103b), which serve as a second polarizing axis for transmitted light, are disposed at positions that overlap with the liquid crystal elements for the right eye image in a planar view, and light-blocking sections (103) that block light are disposed at positions that overlap with the second subpixels in a planar view.

Description

立体映像液晶モニタ、立体映像表示装置及び立体映像表示方法3D image liquid crystal monitor, 3D image display device, and 3D image display method
　本発明は、立体映像液晶モニタ（液晶ディスプレイ）、立体映像液晶表示装置及び立体映像表示方法に関する。 The present invention relates to a stereoscopic video liquid crystal monitor (liquid crystal display), a stereoscopic video liquid crystal display device, and a stereoscopic video display method.
　立体（３Ｄ）映像液晶モニタなどにおいて、液晶パネルを用いて、観察者に対して３次元映像を見せる場合、例えば、図３に示すように、マトリクス状に配置されている液晶素子を左目用画像液晶素子１０１ａと右目用画像液晶素子１０１ｂとに設定し、これらの液晶素子から出射される光の偏光方向を、左目用フィルター部１０３ａ、右目用フィルター部１０３ｂにより偏光して、左目用画像と右目用画像とを表示させる表示方式が用いられている。この図３は、立体映像液晶モニタにおける表示部の走査線の配列方向における線視断面を示す図である。 In a stereoscopic (3D) image liquid crystal monitor or the like, when using a liquid crystal panel to display a three-dimensional image to an observer, for example, as shown in FIG. The liquid crystal element 101a and the right-eye image liquid crystal element 101b are set, and the polarization directions of light emitted from these liquid crystal elements are polarized by the left-eye filter unit 103a and the right-eye filter unit 103b, so that the left-eye image and the right-eye image are displayed. A display method for displaying a business image is used. FIG. 3 is a diagram showing a cross-sectional view in the arrangement direction of the scanning lines of the display unit in the stereoscopic video liquid crystal monitor.
従来から、上述した表示方式の場合、図３に示すフィルター板１０３の構成の場合、左目用画像液晶素子１０１ａと右目用画像液晶素子１０１ｂとの各々から出射される光が互いに干渉することにより、視野角の変化に伴う左目用画像と右目用画像とのクロストークが発生し、視聴者が観察する画像の質が低下してしまう。このため、左目用画像液晶素子１０１ａと右目用画像液晶素子１０１ｂとの各々から出射される光の干渉を抑制し、左目用画像と右目用画像とのクロストークを低減し、視聴者が観察する画像の質を向上することが課題となっている。 Conventionally, in the case of the above-described display method, in the case of the configuration of the filter plate 103 shown in FIG. 3, the light emitted from each of the left-eye image liquid crystal element 101a and the right-eye image liquid crystal element 101b interferes with each other, Crosstalk between the image for the left eye and the image for the right eye accompanying the change in the viewing angle occurs, and the quality of the image observed by the viewer is degraded. For this reason, interference of light emitted from each of the left-eye image liquid crystal element 101a and the right-eye image liquid crystal element 101b is suppressed, crosstalk between the left-eye image and the right-eye image is reduced, and the viewer observes. Improving the quality of images is an issue.
この図３において、立体映像液晶モニタの表示部は、すでに述べたように、液晶パネル１０１とフィルター板１０３とがガラス部材１０２を介して対向して配置されている。また、左目用画像液晶素子１０１ａと右目用画像液晶素子１０１ｂとの各々の液晶素子は、走査線毎に互い違いに配列されている。すなわち、左目用画像液晶素子１０１ａと右目用画像液晶素子１０１ｂとの各々の走査線が互い違いに配列している。
この隣接する左目用画像液晶素子１０１ａの走査線と右目用画像液晶素子１０１ｂの走査線との各々の液晶素子の出射する光が干渉して、表示される画素の表示がクロストークすることになる。 In FIG. 3, in the display unit of the stereoscopic video liquid crystal monitor, as described above, the liquid crystal panel 101 and the filter plate 103 are arranged to face each other with the glass member 102 interposed therebetween. Further, the liquid crystal elements of the left-eye image liquid crystal element 101a and the right-eye image liquid crystal element 101b are alternately arranged for each scanning line. That is, the scanning lines of the left-eye image liquid crystal element 101a and the right-eye image liquid crystal element 101b are alternately arranged.
The light emitted from each of the liquid crystal elements of the adjacent left-eye image liquid crystal element 101a and the scan line of the right-eye image liquid crystal element 101b interferes, and the display of the displayed pixel crosstalks. .
このため、図４に示すように、左目用画像液晶素子１０１ａと右目用液晶素子１０１ｂとの各々から出射される光の干渉を抑制してクロストークを低減するため、左目用画像液晶素子１０１ａの走査線と右目用画像液晶素子１０１ｂの走査線との間に遮光部を設けることが、一般的に行われている（例えば、特許文献１参照）。
図４は、フィルター板１０３における左目用画像液晶素子１０１ａの走査線と右目用画像液晶素子１０１ｂの走査線との間に、遮光部を設けた立体映像液晶モニタの線視断面を示す図である。 For this reason, as shown in FIG. 4, in order to suppress crosstalk by suppressing interference of light emitted from the left-eye image liquid crystal element 101a and the right-eye liquid crystal element 101b, Generally, a light shielding portion is provided between the scanning line and the scanning line of the right-eye image liquid crystal element 101b (see, for example, Patent Document 1).
FIG. 4 is a diagram showing a cross-sectional view of a stereoscopic video liquid crystal monitor in which a light shielding portion is provided between the scanning line of the left-eye image liquid crystal element 101a and the scanning line of the right-eye image liquid crystal element 101b on the filter plate 103. .
しかし、図４に示す方法は、クロストークが生じない程度に視野角を広くとろうとするほど、遮光部の割合（フィルター板１０３の透過部と遮光部との面積における遮光部の割合）が大きくなり、透過部の開口率を低下させることにより、表示輝度が低下することになり、表示される画像の画質を低下させてしまうという欠点があった。 However, in the method shown in FIG. 4, the ratio of the light shielding part (the ratio of the light shielding part in the area between the light transmitting part and the light shielding part of the filter plate 103) increases as the viewing angle is increased to such an extent that crosstalk does not occur. Thus, there is a drawback that the display brightness is lowered by reducing the aperture ratio of the transmission part, and the image quality of the displayed image is lowered.
特開２０１０－１３４４０４号公報JP 2010-134404 A
解決しようとする問題点は、クロストークを生じさせない広い視野角を実現するため、隣接する右目用と左目用との液晶素子間に遮光部を設けることにより、光をを透過させる開口部の面積が小さくなって表示輝度が抑制され、表示される画像の画質が低下してしまう点である。 The problem to be solved is that, in order to realize a wide viewing angle that does not cause crosstalk, the area of the opening through which light is transmitted is provided by providing a light blocking portion between the liquid crystal elements for adjacent right and left eyes. Is reduced, the display luminance is suppressed, and the image quality of the displayed image is lowered.
本発明は、立体映像液晶モニタであり、１画素が第１、第２及び第３サブピクセルの３つのサブピクセルからなり、当該第１、第２及び第３サブピクセルの配列方向において、第２サブピクセルを光を透過させない遮光用として用い、第２サブピクセルの両側で隣接する第１及び第３サブピクセルの２個のサブピクセルが左目用画像液晶素子及び右目用画像液晶素子として交互に配置されている液晶パネルと、前記左目用画像液晶素子に平面視で重なる位置に、通過する光を第１の偏光軸とする第１フィルター部が配置され、前記右目用画像液晶素子に平面視で重なる位置に、通過する光を第２の偏光軸とする第２フィルター部が配置され、前記第２サブピクセルに平面視で重なる位置に光を遮断する遮光部が配置されたフィルター板と備えることを特徴とする。 The present invention is a stereoscopic video liquid crystal monitor, in which one pixel is composed of three sub-pixels of first, second, and third sub-pixels, and the second in the arrangement direction of the first, second, and third sub-pixels. The sub-pixel is used as a light-blocking material that does not transmit light, and the two sub-pixels of the first and third sub-pixels adjacent on both sides of the second sub-pixel are alternately arranged as the left-eye image liquid crystal element and the right-eye image liquid crystal element. A first filter unit having a first polarization axis as light passing therethrough is disposed at a position overlapping the liquid crystal panel and the left-eye image liquid crystal element in plan view, and the right-eye image liquid crystal element in plan view And a filter plate in which a second filter unit having light passing therethrough as a second polarization axis is disposed at the overlapping position, and a light blocking unit for blocking light is disposed at a position overlapping the second subpixel in plan view. It is characterized in.
　本発明は、液晶映像液晶モニタであり、前記第１、第２及び第３サブピクセルの配列方向が走査線に対して垂直であることを特徴とする。 The present invention is a liquid crystal image liquid crystal monitor, wherein the arrangement direction of the first, second and third subpixels is perpendicular to a scanning line.
　本発明は、液晶映像液晶モニタであり、前記第１、第２及び第３サブピクセルの配列方向が走査線に対して平行であることを特徴とする。 The present invention is a liquid crystal image liquid crystal monitor, wherein the arrangement direction of the first, second and third subpixels is parallel to a scanning line.
　本発明は、立体映像表示装置であり、１画素が第１、第２及び第３サブピクセルの３つのサブピクセルからなり、当該第１、第２及び第３サブピクセルの配列方向において、第２サブピクセルを光を透過させない遮光用として用い、第２サブピクセルの両側で隣接する第１及び第３サブピクセルの２個のサブピクセルが左目用画像液晶素子及び右目用画像液晶素子として交互に配置されている液晶パネルと、前記左目用画像液晶素子に平面視で重なる位置に、通過する光を第１の偏光軸とする第１フィルター部が配置され、前記右目用画像液晶素子に平面視で重なる位置に、通過する光を第２の偏光軸とする第２フィルター部が配置され、前記第２サブピクセルに平面視で重なる位置に光を遮断する遮光部が配置されたフィルター板と、外部から入力される画像データを、前記画像データに付加されている識別情報により、左目用画像データと右目用画像データとに振り分け、前記左目用画像データを前記左目用画像液晶素子へ、また前記右目用画像データを前記右目用画像液晶素子へ供給する映像信号処理部とを備えることを特徴とする。 The present invention is a stereoscopic image display device, wherein one pixel is composed of three subpixels of first, second, and third subpixels, and the second in the arrangement direction of the first, second, and third subpixels. The sub-pixel is used as a light-blocking material that does not transmit light, and the two sub-pixels of the first and third sub-pixels adjacent on both sides of the second sub-pixel are alternately arranged as the left-eye image liquid crystal element and the right-eye image liquid crystal element. A first filter unit having a first polarization axis as light passing therethrough is disposed at a position overlapping the liquid crystal panel and the left-eye image liquid crystal element in plan view, and the right-eye image liquid crystal element in plan view A filter plate in which a second filter portion having light passing therethrough as a second polarization axis is disposed at an overlapping position, and a light shielding portion for blocking light is disposed at a position overlapping the second sub-pixel in plan view; The image data input from the left eye image data is divided into left eye image data and right eye image data according to identification information added to the image data, and the left eye image data is transferred to the left eye image liquid crystal element and the right eye image data. And a video signal processing unit for supplying image data to the right-eye image liquid crystal element.
　本発明は、立体映像表示方法であり、１画素が第１、第２及び第３サブピクセルの３つのサブピクセルからなり、当該第１、第２及び第３サブピクセルの配列方向において、第２サブピクセルを光を透過させない遮光用として用い、第２サブピクセルの両側で隣接する第１及び第３サブピクセルの２個のサブピクセルが左目用画像液晶素子及び右目用画像液晶素子として交互に配置されている液晶パネルと、前記左目用画像液晶素子に平面視で重なる位置に、通過する光を第１の偏光軸とする第１フィルター部が配置され、前記右目用画像液晶素子に平面視で重なる位置に、通過する光を第２の偏光軸とする第２フィルター部が配置され、前記第２サブピクセルに平面視で重なる位置に光を遮断する遮光部が配置されたフィルター板とからなる立体映像表示装置を制御する制御方法であり、映像信号処理部が、外部から入力される画像データを、前記画像データに付加されている識別情報により、左目用画像データと右目用画像データとに振り分け、前記左目用画像データを前記左目用画像液晶素子へ、また前記右目用画像データを前記右目用画像液晶素子へ供給することを特徴とする。 The present invention is a stereoscopic image display method, in which one pixel is composed of three subpixels of first, second, and third subpixels, and the second in the arrangement direction of the first, second, and third subpixels. The sub-pixel is used as a light-blocking material that does not transmit light, and the two sub-pixels of the first and third sub-pixels adjacent on both sides of the second sub-pixel are alternately arranged as the left-eye image liquid crystal element and the right-eye image liquid crystal element. A first filter unit having a first polarization axis as light passing therethrough is disposed at a position overlapping the liquid crystal panel and the left-eye image liquid crystal element in plan view, and the right-eye image liquid crystal element in plan view A filter plate in which a second filter unit having light passing therethrough as a second polarization axis is disposed at an overlapping position and a light blocking unit for blocking light is disposed at a position overlapping the second subpixel in plan view. A stereoscopic video display device, wherein the video signal processing unit converts image data input from outside into image data for left eye and image data for right eye based on identification information added to the image data. And the left-eye image data is supplied to the left-eye image liquid crystal element, and the right-eye image data is supplied to the right-eye image liquid crystal element.
　本発明の立体映像液晶モニタは、２サブピクセル単位で連続して左目用画像液晶素子および右目用画像液晶素子を、遮光部を介して配置することにより、従来に比較して遮光部の比率を低下させることができ、透過部の開口率を低下させずに、視野角を広くすることができ、クロストークを抑制することが可能である。 The stereoscopic image liquid crystal monitor according to the present invention arranges the image liquid crystal element for the left eye and the image liquid crystal element for the right eye through the light shielding part continuously in units of 2 sub-pixels, so that the ratio of the light shielding part can be increased as compared with the prior art. The viewing angle can be widened and the crosstalk can be suppressed without reducing the aperture ratio of the transmission part.
本発明の第１の実施形態における立体映像液晶モニタの表示部の走査線の配列方向の線視断面図である。FIG. 3 is a cross-sectional view taken along the arrangement direction of scanning lines of the display unit of the stereoscopic video liquid crystal monitor according to the first embodiment of the present invention. 本発明の第２の実施形態における立体映像表示装置の構成例を示す図である。It is a figure which shows the structural example of the three-dimensional-video display apparatus in the 2nd Embodiment of this invention. 立体映像液晶モニタの表示部の走査線の配列方向における線視断面を示す図である。It is a figure which shows the line view cross section in the sequence direction of the scanning line of the display part of a stereoscopic video liquid crystal monitor. フィルター板１０３における右目用画像の走査線と右目用画像の走査線との間に、遮光部を設けた立体映像液晶モニタの表示部の線視断面を示す図である。It is a figure which shows the line view cross section of the display part of the stereoscopic video liquid crystal monitor which provided the light-shielding part between the scanning line of the image for right eyes in the filter board 103, and the scanning line of the image for right eyes.
　本発明は、一つの画素をＬＣＲの３つのサブピクセル（液晶素子）で構成するモノクロ表示装置の液晶パネルおよびフィルター板において、奇数番目の走査線の画素においてサブピクセルＬを左目用画像液晶素子とし、サブピクセルＣを遮光用液晶素子とし、サブピクセルＲを右目用画像液晶素子とし、偶数番目の走査線の画素においてサブピクセＬを右目用画像液晶素子とし、サブピクセルＣを遮光用液晶素子とし、サブピクセルＲを左目用画像液晶素子とし、２画素毎に左目用画像液晶素子および右目用画像液晶素子を配置することにより、透過部の開口率を低下させずに、視野角を広くすることが可能な遮光部の配置を実現した。
また、一つの画素をＬＣＲの３つのサブピクセル（液晶素子）で構成するモノクロ表示装置の液晶パネルおよびフィルター板において、偶数番目の走査線の画素においてサブピクセルＬを左目用画像液晶素子とし、サブピクセルＣを遮光用液晶素子とし、サブピクセルＲを右目用画像液晶素子とし、奇数番目の走査線の画素においてサブピクセＬを右目用画像液晶素子とし、サブピクセルＣを遮光用液晶素子とし、サブピクセルＲを左目用画像映像素子とし、２画素毎に左目用画像液晶素子および右目画像用液晶素子を配置する構成としても、２画素毎に左目用画像液晶素子および右目用画像液晶素子を配置することになり、透過部の開口率を低下させずに、視野角を広くすることが可能な遮光部の配置を実現できる。 The present invention relates to a liquid crystal panel and a filter plate of a monochrome display device in which one pixel is composed of three sub-pixels (liquid crystal elements) of LCR, and the sub-pixel L is a left-eye image liquid crystal element in odd-numbered scanning line pixels. , Subpixel C is a light-shielding liquid crystal element, subpixel R is a right-eye image liquid crystal element, subpixel L is a right-eye image liquid crystal element in pixels of even-numbered scanning lines, and subpixel C is a light-shielding liquid crystal element. By using the sub-pixel R as the left-eye image liquid crystal element and disposing the left-eye image liquid crystal element and the right-eye image liquid crystal element every two pixels, the viewing angle can be widened without reducing the aperture ratio of the transmission part. Realized possible arrangement of shading part.
Further, in a liquid crystal panel and a filter plate of a monochrome display device in which one pixel is composed of three sub-pixels (liquid crystal elements) of LCR, the sub-pixel L is a left-eye image liquid crystal element in even-numbered scanning line pixels. The pixel C is a light-shielding liquid crystal element, the sub-pixel R is a right-eye image liquid crystal element, the sub-pixel L is a right-eye image liquid crystal element, and the sub-pixel C is a light-shielding liquid crystal element. R is a left-eye image liquid crystal element, and a left-eye image liquid crystal element and a right-eye image liquid crystal element are arranged for every two pixels, and a left-eye image liquid crystal element and a right-eye image liquid crystal element are arranged for every two pixels. Thus, it is possible to realize the arrangement of the light shielding part that can widen the viewing angle without reducing the aperture ratio of the transmission part.
＜第１の実施形態＞
　図１は、本発明の第１の実施形態による立体映像液晶モニタの表示部の走査線の配列方向（すなわち、走査線に対して垂直方向）の線視断面図である。すなわち、各画素を形成するサブピクセルＬ、ＣおよびＲは、走査線に対して垂直方向に配置されている。このため、サブピクセルＬ、Ｃ、およびＲの各々は、それぞれ走査線を構成することになる。すなわち、サブピクセルＬを画像液晶素子として構成された走査線、サブピクセルＣを画像液晶素子（実際には遮光用液晶素子）として構成された走査線、サブピクセルＲを画像液晶素子として構成された走査線とが形成されることになる。 <First Embodiment>
FIG. 1 is a cross-sectional view taken along the direction in which scanning lines are arranged in the display unit of the stereoscopic image liquid crystal monitor according to the first embodiment of the present invention (that is, in the direction perpendicular to the scanning lines). That is, the subpixels L, C, and R that form each pixel are arranged in a direction perpendicular to the scanning line. For this reason, each of the subpixels L, C, and R constitutes a scanning line. That is, the subpixel L is configured as a scanning line configured as an image liquid crystal element, the subpixel C is configured as a scanning line configured as an image liquid crystal element (actually a light shielding liquid crystal element), and the subpixel R is configured as an image liquid crystal element. Scan lines are formed.
　立体映像液晶モニタの表示部は、図示しないバックライト、液晶パネル１０１ガラス部材１０２、フィルター板（パターニング位相差板）１０３を備えている。ここで、バックライトは、液晶パネル１０１の裏面、すなわち液晶パネル１０１におけるガラス部材１０２と対向している面と逆の面と対向して配置されている。ここで、本実施例において、各画素は、例えば、縦方向に３個のサブピクセルＬ、ＣおよびＲが順次配列されて１画素として構成されている。本実施形態においては、後述するように、これら３つのサブピクセルを１画素として用い、それぞれのサブピクセルを左目用画像液晶素子、右目用画像液晶素子および遮光用液晶素子として用いている。 The display unit of the stereoscopic video liquid crystal monitor includes a backlight (not shown), a liquid crystal panel 101, a glass member 102, and a filter plate (patterning phase difference plate) 103. Here, the backlight is disposed to face the back surface of the liquid crystal panel 101, that is, the surface opposite to the surface of the liquid crystal panel 101 facing the glass member 102. Here, in this embodiment, each pixel is configured as one pixel by sequentially arranging three subpixels L, C, and R in the vertical direction, for example. In the present embodiment, as will be described later, these three subpixels are used as one pixel, and each subpixel is used as a left-eye image liquid crystal element, a right-eye image liquid crystal element, and a light-shielding liquid crystal element.
　液晶パネル１０１において、例えば奇数番目（図１において１列目）の走査線方向の画素は、サブピクセルＬが左目用画像液晶素子１０１ａと設定され、サブピクセルＲが右目用画像液晶素子１０１ｂとして設定され、サブピクセルＣが遮光用液晶素子１０１ｄとして設定されている。 In the liquid crystal panel 101, for example, in odd-numbered pixels (first column in FIG. 1) in the scanning line direction, the subpixel L is set as the left-eye image liquid crystal element 101a, and the subpixel R is set as the right-eye image liquid crystal element 101b. Thus, the sub-pixel C is set as the light shielding liquid crystal element 101d.
　一方、液晶パネル１０１において、偶数番目（図１において２列目）の走査線方向の画素は、サブピクセルＬが右目用画像液晶素子１０１ｂとして設定され、サブピクセルＲが左目用画像映像素子１０１ａとして設定され、サブピクセルＣが遮光用映像素子１０１ｄとして設定されている。
　このように、列方向（図の上部から下部の方向Ｘ）に隣接する画素（サブピクセルＬ、ＣおよびＲから構成されている）からなる液晶パネル１０１は、隣接部において、互いのサブピクセルＬおよびサブピクセルＲが左目用画像液晶素子１０１ａか右目用画像液晶素子１０１ｂのいずれか一方で同一に設定され、また同一画素においてサブピクセルＬとサブピクセルＲのいずれか一方が左目用画像液晶素子１０１ａとして設定され、他方が右目用画像液晶素子１０１ｂとして設定されて配置されている。 On the other hand, in the liquid crystal panel 101, even-numbered pixels (second column in FIG. 1) in the scanning line direction have the sub-pixel L set as the right-eye image liquid crystal element 101b and the sub-pixel R as the left-eye image video element 101a. The sub-pixel C is set as the light-shielding video element 101d.
As described above, the liquid crystal panel 101 composed of pixels (consisting of subpixels L, C, and R) adjacent in the column direction (the direction X from the top to the bottom of the figure) has the subpixel L in the adjacent portion. And the sub-pixel R is set to be the same in either the left-eye image liquid crystal element 101a or the right-eye image liquid crystal element 101b. In the same pixel, either the sub-pixel L or the sub-pixel R is the left-eye image liquid crystal element 101a. And the other is set and arranged as the right-eye image liquid crystal element 101b.
　同様に、フィルター板１０３において、奇数番目（図１において１列目）の走査線方向の画素に対応するフィルター領域は、サブピクセルＬに対応する部分が左目用フィルター部１０３ａとして設定され、サブピクセルＲに対応する部分が右目用フィルター部１０３ｂとして設定され、サブピクセルＣに対応する部分が遮光部１０３ｄとして設定されている。 Similarly, in the filter plate 103, in the filter region corresponding to the odd-numbered pixels (first column in FIG. 1) in the scanning line direction, the portion corresponding to the sub-pixel L is set as the left-eye filter unit 103a. A portion corresponding to R is set as the right-eye filter portion 103b, and a portion corresponding to the subpixel C is set as the light shielding portion 103d.
　一方、フィルター板１０３は、偶数番目（図１において２列目）の走査線方向の画素に対応するフィルタ領域は、サブピクセルＬに対応する部分が右目用フィルター部１０３ｂとして設定され、サブピクセルＲに対応する部分が左目用フィルター部１０３ａとして設定され、サブピクセルＣに対応する部分が遮光部１０３ｄとして設定されている。
　左目用フィルター部１０３ａはサブピクセルから出射される光の偏光軸を第１偏光軸に偏光させ、一方、右目用フィルター部１０３ｂはサブピクセルから出射される光の偏光軸を第１の偏光軸と直角な第２の偏光軸に偏光する。 On the other hand, in the filter plate 103, the filter region corresponding to the even-numbered pixels (second column in FIG. 1) in the scanning line direction has the portion corresponding to the sub-pixel L set as the right-eye filter unit 103b, and the sub-pixel R Is set as the left-eye filter unit 103a, and the part corresponding to the sub-pixel C is set as the light shielding unit 103d.
The left-eye filter unit 103a polarizes the polarization axis of the light emitted from the sub-pixel to the first polarization axis, while the right-eye filter unit 103b uses the polarization axis of the light emitted from the sub-pixel as the first polarization axis. Polarizes to a second polarization axis at right angles.
　上述したように、本実施形態は、走査線方向における奇数番目と偶数番目との画素において、サブピクセルＲ及びサブピクセルＬのいずれか一方を右目用画像液晶素子１０１ａとし、他方を左目用画像液晶素子１０１ｂとし、隣接する画素間においてサブピクセルＣの両側に連続して配列するサブピクセルＲ及びＬとが同一偏光軸用に用いられ、かつサブピクセルＣの両側でそれぞれ偏光軸が互い違いに異なって配置されている。 As described above, in the present embodiment, in the odd-numbered and even-numbered pixels in the scanning line direction, one of the subpixel R and the subpixel L is the right-eye image liquid crystal element 101a, and the other is the left-eye image liquid crystal. Subpixels R and L that are continuously arranged on both sides of the subpixel C between adjacent pixels are used for the same polarization axis, and the polarization axes are alternately different on both sides of the subpixel C. Has been placed.
　液晶パネル１０１の奇数番目の画素の走査線と、フィルター板１０３において液晶パネル１０１の奇数番目の走査線に対応するフィルタ領域とは対向して配置されており、平面視（液晶パネルの表示面に対して垂直方向）において重なる位置に配置されている。 The scanning lines of the odd-numbered pixels of the liquid crystal panel 101 and the filter regions corresponding to the odd-numbered scanning lines of the liquid crystal panel 101 on the filter plate 103 are arranged to face each other, and are viewed in plan (on the display surface of the liquid crystal panel). (Vertical direction) with respect to each other.
　同様に、液晶パネル１０１の偶数番目の画素の走査線と、フィルター板１０３において液晶パネル１０１の偶数番目の走査線に対応するフィルタ領域とは対向して配置されており、平面視において重なる位置に配置されている。 Similarly, the scanning lines of the even-numbered pixels of the liquid crystal panel 101 and the filter region corresponding to the even-numbered scanning lines of the liquid crystal panel 101 on the filter plate 103 are arranged to face each other and overlap each other in plan view. Has been placed.
　また、左目用画像液晶素子１０１ａと左目用フィルター部１０３ａとは平面視で重なる位置となっており、右目用画像液晶素子１０１ｂと右目用フィルター部１０３ｂとは平面視で重なる位置に配置されている。また、同様に、遮光用液晶素子１０１ｄと、遮光部１０３ｄとは、平面視で重なる位置に配置されている。 Further, the left-eye image liquid crystal element 101a and the left-eye filter unit 103a overlap each other in plan view, and the right-eye image liquid crystal element 101b and the right-eye filter unit 103b overlap each other in plan view. . Similarly, the light-shielding liquid crystal element 101d and the light-shielding portion 103d are arranged at positions that overlap in a plan view.
　上述した左目用フィルター部１０３ａは、左目用画像液晶素子１０１ａを、設定された階調度に対応する開口度により透過した直線偏光の光の偏光軸を変え、左目用に例えば左円偏光する。
　また、右目用フィルター部１０３ｂは、右目用画像液晶素子１０１ｂを、設定された階調度に対応する開口度により透過した直線偏光の光の偏光軸を変え、右目用に例えば右円偏光する。
　遮光部１０３ｄは、光を透過させないマスクとして設けられている。 The left-eye filter unit 103a described above changes the polarization axis of linearly polarized light transmitted through the left-eye image liquid crystal element 101a with an aperture corresponding to the set gradation, and performs, for example, left-circular polarization for the left eye.
Further, the right-eye filter unit 103b changes the polarization axis of linearly polarized light transmitted through the right-eye image liquid crystal element 101b with an aperture corresponding to the set gradation, and performs right-circular polarization for the right eye, for example.
The light shielding portion 103d is provided as a mask that does not transmit light.
　ユーザは、３Ｄ画像を鑑賞する際、観賞用のメガネを装着する。このメガネは、円偏光メガネであり、左側に左円偏光部が設けられて左円偏光の光のみ透過させてユーザの左目に照射し、一方、右側に右円偏光部が設けられて右円偏光の光のみ透過させてユーザの右目に照射する。
　また、左目用フィルター部１０３ａと右目用フィルター部１０３ｂとは、いずれか一方が出射する光の偏光軸と他方が出射する光の偏光軸とが互いに直交している直線偏光となるように構成しても良い。この場合、メガネは、直線偏光メガネであり、左側及び右側に直線偏光部が設けられており、左目用フィルター部１０３ａと右目用フィルター部１０３ｂとに対応し、左側の直線偏光部の偏光軸と、右側の直線偏光部の偏光軸とが互いに直交している。 A user wears spectacle glasses when viewing a 3D image. These glasses are circularly polarized glasses, with a left circular polarization part on the left side that transmits only the left circularly polarized light and irradiates the user's left eye, while a right circular polarization part is provided on the right side and the right circle. Only polarized light is transmitted and irradiated to the user's right eye.
Also, the left-eye filter unit 103a and the right-eye filter unit 103b are configured so that either one of the polarization axes of the light emitted from the other and the polarization axis of the light emitted from the other are linearly polarized light. May be. In this case, the glasses are linear polarization glasses, and linear polarization units are provided on the left and right sides, corresponding to the left eye filter unit 103a and the right eye filter unit 103b, and the polarization axis of the left linear polarization unit. The polarization axes of the right linear polarization section are orthogonal to each other.
　図１に示す配置により、サブピクセルＬおよびサブピクセルＲの画像液晶素子の２ライン毎に、サブピクセルＣを遮光用液晶素子１０３ｄとして配置している。
　ここで、奇数番目の走査線と偶数番目の走査線とにおいて、サブピクセルＬとサブピクセルＲとが交互に、左目用画像液晶素子１０１ａと右目用画像液晶素子１０１ｂとして用いられる。 With the arrangement shown in FIG. 1, the subpixel C is arranged as the light-shielding liquid crystal element 103d for every two lines of the image liquid crystal elements of the subpixel L and the subpixel R.
Here, the sub-pixel L and the sub-pixel R are alternately used as the left-eye image liquid crystal element 101a and the right-eye image liquid crystal element 101b in the odd-numbered scan lines and the even-numbered scan lines.
　このため、図１に示されるように、必ず隣接するサブピクセルＬとサブピクセルＲとは、左目用画像液晶素子１０１ａか右目用画像液晶素子１０１ｂのいずれかとなる。
　したがって、液晶パネル１０１においては、遮光用液晶素子１０１ｄを間に介して、同一の偏光軸（右目用あるいは左目用）のサブピクセルが２個ずつ配列することになる。 For this reason, as shown in FIG. 1, the subpixel L and the subpixel R that are necessarily adjacent to each other are either the left-eye image liquid crystal element 101a or the right-eye image liquid crystal element 101b.
Therefore, in the liquid crystal panel 101, two sub-pixels having the same polarization axis (for the right eye or for the left eye) are arranged with two light shielding liquid crystal elements 101d interposed therebetween.
　また、フィルター板１０３においては、連続する左目用画像液晶素子１０１ａのサブピクセルＬ及びＲの各々に対し、左目用フィルター部１０３ａが対向しており、左目用フィルター部１０３ａが２個連続して配置されている。
　同様に、フィルター板１０３においては、連続する右目用画像液晶素子１０１ｂのサブピクセルＬ及びＲの各々に対し、右目用フィルター部１０３ｂが対向しており、右目用フィルター部１０３ｂが２個連続して配置されている。
なお、左目用フィルター部１０３ａは、左目用画像液晶素子１０１ａの２個分の幅を有する１個のフィルター部として構成されていても良い。同様に、右目用フィルター部１０３ｂは、右目用画像液晶素子１０１ｂの２個分の幅を有する１個のフィルター部として構成されていても良い。 In the filter plate 103, the left-eye filter unit 103a is opposed to each of the sub-pixels L and R of the continuous left-eye image liquid crystal element 101a, and two left-eye filter units 103a are continuously arranged. Has been.
Similarly, in the filter plate 103, the right-eye filter portion 103b is opposed to each of the sub-pixels L and R of the continuous right-eye image liquid crystal element 101b, and two right-eye filter portions 103b are continuously provided. Has been placed.
The left-eye filter unit 103a may be configured as a single filter unit having a width corresponding to two of the left-eye image liquid crystal element 101a. Similarly, the right-eye filter unit 103b may be configured as one filter unit having a width corresponding to two of the right-eye image liquid crystal elements 101b.
　このため、図１に示されるように、隣接するサブピクセルＬとサブピクセルＲとが左目用画像液晶素子１０１ａである場合、この隣接するサブピクセルＬとサブピクセルＲに対向するフィルター部は、必ず左目用フィルター部１０３ａとなる。
　一方、隣接するサブピクセルＬとサブピクセルＲとが右目用画像液晶素子１０１ｂである場合、この隣接するサブピクセルＬとサブピクセルＲに対向するフィルター部は、必ず右目用フィルター部１０３ｂとなる。
　したがって、フィルター部１０３においては、遮光用液晶素子１０１ｄに対向する遮光部１０３ｄを間に介して、同一の偏光軸（右目用あるいは左目用）のフィルター部が２個ずつ配列することになる。 Therefore, as shown in FIG. 1, when the adjacent sub-pixel L and sub-pixel R are the left-eye image liquid crystal element 101a, the filter unit facing the adjacent sub-pixel L and sub-pixel R is always This is the left-eye filter unit 103a.
On the other hand, when the adjacent sub-pixel L and sub-pixel R are the right-eye image liquid crystal element 101b, the filter portion facing the adjacent sub-pixel L and sub-pixel R is always the right-eye filter portion 103b.
Accordingly, in the filter unit 103, two filter units having the same polarization axis (for the right eye or for the left eye) are arranged with the light blocking unit 103d facing the light blocking liquid crystal element 101d interposed therebetween.
　上述したように、本実施形態によれば、サブピクセルＬからなる走査線と、サブピクセルＣからなる走査線と、サブピクセルＲからなる走査線との走査線の配列単位において、左目用画像液晶素子及び右目用画像液晶素子のいずれか一方をサブピクセルＬとし、他方をサブピクセルＲとするかを、１配列単位毎に交互に変更するため、同様の偏光軸に対応するサブピクセルが２個連続して配置されることになり、かつこれらの画像液晶素子の間に遮光部を設ける構成のため、１画素毎に遮光部を設ける従来の構成に比較して、クロストークを生じない程度に視野角を広くしても、遮光部の平面視における面積が小さくなり、表示する画像の輝度値を明るくすることが可能となり、表示させる画像の画質を向上させることができる。 As described above, according to the present embodiment, the image liquid crystal for the left eye is arranged in the scanning line arrangement unit of the scanning line composed of the subpixel L, the scanning line composed of the subpixel C, and the scanning line composed of the subpixel R. Since either one of the element and the right-eye image liquid crystal element is used as a subpixel L and the other is used as a subpixel R, two subpixels corresponding to the same polarization axis are alternately changed for each arrangement unit. Compared to the conventional configuration in which a light-shielding portion is provided for each pixel because the light-shielding portion is arranged between these image liquid crystal elements, the cross-talk is not generated. Even if the viewing angle is widened, the area of the light shielding portion in plan view is reduced, the brightness value of the image to be displayed can be increased, and the image quality of the displayed image can be improved.
　また、本実施形態によれば、フィルター板１０３の遮光部１０３ｄと対向する液晶パネル１０１のサブピクセルＣが遮光用液晶素子１０１ｄとして、光を出射しない（オフ）状態として用いられるため、遮光部を回り込む光量が減少するため、より干渉を低減させることができクロストークの発生を抑制することが可能となる。 In addition, according to the present embodiment, the sub-pixel C of the liquid crystal panel 101 facing the light shielding portion 103d of the filter plate 103 is used as a light shielding liquid crystal element 101d in a state in which light is not emitted (off). Since the amount of light that wraps around decreases, interference can be further reduced and the occurrence of crosstalk can be suppressed.
　すなわち、本実施形態においては、遮光用液晶素子１０１ｄが存在することにより、左目用画像液晶素子１０１ａと右目用フィルター部１０３ｂとの距離が従来に比較して長くなるため、左目用画像液晶素子１０１ａから出射される光が右目用フィルター部１０３ｂに到達する量を従来に比較して抑制することができる。同様に、遮光用液晶素子１０１ｄが存在することにより、右目用画像液晶素子１０１ｂと左目用フィルター部１０３ａとの距離が従来に比較して長くなるため、右目用画像液晶素子１０１ｂから出射される光が左目用フィルター部１０３ａに到達する量を従来に比較して抑制することができる。したがって、本実施形態によれば、左目用画像液晶素子１０１ａと右目用画像液晶素子１０１ｂとの各々から出射される光の干渉を従来に比較して抑制できるため、クロストークをより低減することができる In other words, in the present embodiment, the presence of the light-shielding liquid crystal element 101d increases the distance between the left-eye image liquid crystal element 101a and the right-eye filter portion 103b as compared with the prior art, and thus the left-eye image liquid crystal element 101a. The amount of the light emitted from the right eye reaches the right-eye filter portion 103b can be suppressed as compared with the conventional case. Similarly, since the distance between the right-eye image liquid crystal element 101b and the left-eye filter portion 103a is longer than that in the past due to the presence of the light-shielding liquid crystal element 101d, the light emitted from the right-eye image liquid crystal element 101b. Can reach the left-eye filter portion 103a as compared with the conventional case. Therefore, according to this embodiment, since interference of light emitted from each of the left-eye image liquid crystal element 101a and the right-eye image liquid crystal element 101b can be suppressed as compared with the conventional case, crosstalk can be further reduced. it can
＜第２の実施形態＞
　上述した第１の実施形態における立体映像液晶モニタは、サブピクセルの配置構成が、図１を走査線に対して垂直方向の断面とした場合である。
　この第２の実施形態は、第１の実施形態と異なり、図１における液晶パネル１０１を走査線に対して平行方向の断面とした構成である。すなわち、第２の実施形態は、液晶パネル１０１において、同一の走査線にサブピクセルＬ、Ｃ及びＲが配置されることになる。 <Second Embodiment>
In the stereoscopic image liquid crystal monitor according to the first embodiment described above, the arrangement configuration of the sub-pixels is a case where FIG. 1 is a cross section in a direction perpendicular to the scanning line.
Unlike the first embodiment, the second embodiment has a configuration in which the liquid crystal panel 101 in FIG. 1 has a cross section in a direction parallel to the scanning lines. That is, in the second embodiment, in the liquid crystal panel 101, the subpixels L, C, and R are arranged on the same scanning line.
　したがって、液晶パネル１０１は、走査線に対して垂直方向の各サブピクセルの列が、図１に示すように、例えば１列目の画素において、サブピクセルＬの列が左目用画像液晶素子１０１ａとなり、サブピクセルＣの列が遮光用液晶素子１０１ｄとなり、サブピクセルＲが右目用サブピクセル１０１ｂとなる。
　また、液晶パネル１０１は、２列目の画素において、サブピクセルＬの列が右目用画像液晶素子１０１ｂとなり、サブピクセルＣの列が遮光用液晶素子１０１ｄとなり、サブピクセルＲが左目用サブピクセル１０１ａとなる。 Therefore, in the liquid crystal panel 101, as shown in FIG. 1, each column of subpixels in the direction perpendicular to the scanning line is, for example, the first column of pixels, and the column of subpixels L is the left-eye image liquid crystal element 101a. , The column of subpixels C is a light-shielding liquid crystal element 101d, and the subpixel R is a right-eye subpixel 101b.
Further, in the liquid crystal panel 101, in the second row of pixels, the row of subpixels L is the right-eye image liquid crystal device 101b, the row of subpixels C is the light-shielding liquid crystal device 101d, and the subpixel R is the left-eye subpixel 101a. It becomes.
　この構成により、液晶パネル１０１においては、各走査線において、間に遮光用液晶素子１０１ｄのサブピクセルＣを挟んで、２個のサブピクセル単位で、左目用画像液晶素子１０１ａと右目用画像液晶素子１０１ｂが交互に配置されることになる。
　すなわち、液晶パネル１０１においては、走査線方向に、間に遮光用液晶素子１０１ｄのサブピクセルＣの列を挟んで、２列のサブピクセル単位で、左目用画像液晶素子１０１ａの列と右目用画像液晶素子１０１ｂ列とが交互に配置されることになる。 With this configuration, in the liquid crystal panel 101, the left-eye image liquid crystal element 101a and the right-eye image liquid crystal element in units of two subpixels with the subpixel C of the light-shielding liquid crystal element 101d interposed between the scanning lines. 101b are alternately arranged.
That is, in the liquid crystal panel 101, the left-eye image liquid crystal element 101a and the right-eye image are arranged in units of two sub-pixels with the sub-pixel C column of the light-shielding liquid crystal element 101d interposed therebetween in the scanning line direction. The liquid crystal element 101b rows are alternately arranged.
　また、フィルター部１０３における左目用フィルター部１０３ａは、第１の実施形態と同様に、液晶パネル１０１における左目用画像液晶素子１０１ａの列と平面視で重なる位置に、ガラス部材１０２を介して対向して配置されている。
　同様に、フィルター部１０３における右目用フィルター部１０３ｂは、液晶パネル１０１における右目用画像液晶素子１０１ｂの列と平面視で重なる位置に、ガラス部材１０２を介して対向して配置されている。
　また、フィルター部１０３における遮光部１０３ｄは、液晶パネル１０１における遮光用液晶素子１０１ｄの列と平面視で重なる位置に、ガラス部材１０２を介して対向して配置されている。 Further, the left-eye filter unit 103a in the filter unit 103 is opposed to a position overlapping the column of the left-eye image liquid crystal elements 101a in the liquid crystal panel 101 in plan view through the glass member 102, as in the first embodiment. Are arranged.
Similarly, the right-eye filter unit 103b in the filter unit 103 is disposed so as to be opposed to the row of the right-eye image liquid crystal elements 101b in the liquid crystal panel 101 through the glass member 102 in a plan view.
Further, the light shielding portion 103 d in the filter portion 103 is disposed so as to be opposed to the row of the light shielding liquid crystal elements 101 d in the liquid crystal panel 101 in a plan view with the glass member 102 interposed therebetween.
　上述したように、本実施形態によれば、第１の実施形態と同様に、サブピクセルＬからなる走査線と、サブピクセルＣからなる走査線と、サブピクセルＲからなる走査線との走査線の配列単位において、左目用画像液晶素子及び右目用画像液晶素子のいずれか一方をサブピクセルＬとし、他方をサブピクセルＲとするかを、１配列単位毎に交互に変更するため、同様の偏光軸に対応するサブピクセルが２個連続して配置されることになり、かつこれらの画像液晶素子の間に遮光部を設ける構成のため、１画素毎に遮光部を設ける従来の構成に比較して、クロストークを生じない程度に視野角を広くしても、遮光部の平面視における面積が小さくなり、表示する画像の輝度値を明るくすることが可能となり、表示させる画像の画質を向上させることができる。 As described above, according to the present embodiment, as in the first embodiment, the scan line composed of the scan line composed of the subpixel L, the scan line composed of the subpixel C, and the scan line composed of the subpixel R. In order to change alternately one of the left-eye image liquid crystal element and the right-eye image liquid crystal element as the sub-pixel L and the other as the sub-pixel R in the arrangement unit of Since two subpixels corresponding to the axis are arranged in succession and a light shielding portion is provided between the image liquid crystal elements, the subpixel is provided with a light shielding portion for each pixel. Thus, even if the viewing angle is widened to such an extent that crosstalk does not occur, the area of the light-shielding portion in plan view is reduced, and the brightness value of the displayed image can be increased, improving the image quality of the displayed image. It is possible.
　また、本実施形態によれば、第１の実施形態と同様に、フィルター板１０３の遮光部１０３ｄと対向する液晶パネル１０１のサブピクセルＣが遮光用液晶素子１０１ｄとして、光を出射しない（オフ）状態として用いられるため、遮光部を回り込む光量が減少するため、より干渉を低減させることができクロストークの発生を抑制することが可能となる。 Further, according to the present embodiment, as in the first embodiment, the sub-pixel C of the liquid crystal panel 101 facing the light shielding portion 103d of the filter plate 103 does not emit light (off) as the light shielding liquid crystal element 101d. Since it is used as a state, the amount of light that goes around the light-shielding portion is reduced, so that interference can be further reduced and occurrence of crosstalk can be suppressed.
＜第３の実施形態＞
　次に、本発明の第３の実施形態による立体映像表示装置を説明する。図２は、本発明の第３の実施形態による立体映像表示装置の構成例を示す図である。本実施形態による立体映像表示装置は、表示デバイス１５（後述）として第１の実施形態による立体映像液晶モニタが用いられている表示装置である。
　図２において、本実施形態の立体映像表示装置は、映像信号受信部１１、映像信号記憶部１２、映像信号処理部１３、映像信号出力部１４及び表示デバイス１５を有している。この表示デバイス１５は、第１の実施形態の立体映像液晶モニタである。 <Third Embodiment>
Next, a stereoscopic video display device according to a third embodiment of the present invention will be described. FIG. 2 is a diagram illustrating a configuration example of a stereoscopic video display apparatus according to the third embodiment of the present invention. The stereoscopic video display device according to the present embodiment is a display device in which the stereoscopic video liquid crystal monitor according to the first embodiment is used as the display device 15 (described later).
In FIG. 2, the stereoscopic video display apparatus of the present embodiment includes a video signal receiving unit 11, a video signal storage unit 12, a video signal processing unit 13, a video signal output unit 14, and a display device 15. This display device 15 is the stereoscopic video liquid crystal monitor of the first embodiment.
　映像信号受信部１１は、外部のパーソナルコンピュータから供給される映像信号を受信し、受信した映像信号を映像信号処理部１３へ出力する。
　映像信号処理部１３は、供給された映像信号を、一旦、映像信号記憶部１２に書き込んで記憶させ、右目用映像信号と左目映像信号として映像信号出力部１４へ出力する。
　映像信号出力部１４は、供給される左目用映像信号を表示デバイス１５の左目用画像液晶素子に書き込み、また右目用映像信号を表示デバイス１５の右目用画像液晶素子に書き込む。 The video signal receiving unit 11 receives a video signal supplied from an external personal computer and outputs the received video signal to the video signal processing unit 13.
The video signal processing unit 13 once writes and stores the supplied video signal in the video signal storage unit 12 and outputs the video signal to the video signal output unit 14 as a right-eye video signal and a left-eye video signal.
The video signal output unit 14 writes the supplied left-eye video signal to the left-eye image liquid crystal element of the display device 15, and writes the right-eye video signal to the right-eye image liquid crystal element of the display device 15.
　次に、図２を用いて、本実施形態による立体映像表示装置の動作の説明を行う。
　映像信号受信部１１は、外部装置（上述したパーソナルコンピュータなど）から供給されるＤＶＩ（Digital　Visual　Interface）などの形式の映像信号を受信し、映像信号処理部１３などの後段の回路が処理を行う信号形式の画像データへ変換する。
　そして、映像信号受信部１１は、信号形式を変換した画像データを、映像信号処理部１３へ出力する。
　この画像データは、各画素毎の階調度などのデータであり、映像信号から抽出された左目用画像データと右目用画像データとを識別する入力信号情報が付加されており、外部装置から時系列に入力される。 Next, the operation of the stereoscopic image display apparatus according to the present embodiment will be described with reference to FIG.
The video signal receiving unit 11 receives a video signal in a format such as DVI (Digital Visual Interface) supplied from an external device (such as the personal computer described above), and a subsequent circuit such as the video signal processing unit 13 performs processing. Convert to image data in signal format.
Then, the video signal receiving unit 11 outputs the image data whose signal format has been converted to the video signal processing unit 13.
This image data is data such as the degree of gradation for each pixel, input signal information for identifying left-eye image data and right-eye image data extracted from the video signal is added, and time series from an external device Is input.
　映像信号処理部１３は、映像信号受信部１１から供給される映像信号を、すなわち画像データを、付加されている入力信号情報により、左目用画像データあるいは右目用画像データのいずれであるかを判定する。
　そして、映像信号処理部１３は、左目用画像データを映像信号記憶部１２における左目用画像データ記憶領域に書き込んで記憶させ、右目用画像データを映像信号記憶部１２における右目用画像データ記憶領域に書き込んで記憶させる。 The video signal processing unit 13 determines whether the video signal supplied from the video signal receiving unit 11, that is, image data, is left-eye image data or right-eye image data according to the added input signal information. To do.
Then, the video signal processing unit 13 writes and stores the left-eye image data in the left-eye image data storage area in the video signal storage unit 12, and stores the right-eye image data in the right-eye image data storage area in the video signal storage unit 12. Write and store.
　次に、映像信号処理部１３は、１フレーム分の画像データを映像信号記憶部１２に記憶された後、表示デバイス１５における左目用サブピクセルの走査線、あるいは右目用サブピクセルの走査線の予め内部に設定されている順番で、画像データを映像信号出力部１４に対して出力する。
　このとき、映像信号処理部１３は、遮光用液晶素子１０１ｄの走査線に対し、液晶素子が開口しないデータ、すなわち階調度が「０」に対応するデータを出力する。これにより、遮光用液晶素子１０１ｄはバックライトの出射する光を、他の左目用サブピクセル１０１ａ及び右目用サブピクセル１０１ｂのように透過させることなく遮光した状態を持続する。 Next, after the image data for one frame is stored in the video signal storage unit 12, the video signal processing unit 13 previously stores the scanning line for the left-eye subpixel or the scanning line for the right-eye subpixel in the display device 15. The image data is output to the video signal output unit 14 in the order set internally.
At this time, the video signal processing unit 13 outputs data that does not open the liquid crystal element, that is, data corresponding to a gradation level of “0”, to the scanning line of the light shielding liquid crystal element 101d. As a result, the light-shielding liquid crystal element 101d maintains the light-shielded state without transmitting the light emitted from the backlight like the other left-eye subpixel 101a and right-eye subpixel 101b.
　次に、映像信号出力部１４は、入力される画像データを、表示デバイス１５の入力形式に合わせた信号形式に変換し、例えばＬＶＤＳ（Low　Voltage　Differential　Signaling）の信号形式に変換して、表示デバイス１５に対して出力する。 Next, the video signal output unit 14 converts the input image data into a signal format that matches the input format of the display device 15, for example, into a signal format of LVDS (Low Voltage Differential Signaling), and displays the display device. 15 is output.
　そして、表示デバイス１５は、供給される画像データを、供給される順番により、輝度を調整する制御電圧レベルに変換し、階調度左目用サブピクセル、右目用サブピクセルの各々に書き込み、画像データの表示処理を行う。 Then, the display device 15 converts the supplied image data into a control voltage level for adjusting the luminance according to the order of supply, and writes the converted image data to each of the left-eye subpixel and the right-eye subpixel. Perform display processing.
　上述したように、本実施形態によれば、同様の偏光軸に対応するサブピクセルが２個連続して同一偏光軸の画像データが表示されることになり、かつこれらの画像液晶素子の間に設けられた遮光用液晶素子が光を透過させない状態となるため、１画素毎に遮光部を設ける従来の構成に比較して、クロストークを生じない視野角を広くしても、遮光部の平面視における面積が小さくなり、表示する画像の輝度値を明るくすることが可能となり、表示させる画像の画質を向上させることができる。 As described above, according to this embodiment, two subpixels corresponding to the same polarization axis are displayed in succession, and image data having the same polarization axis is displayed, and between these image liquid crystal elements. Since the provided light-shielding liquid crystal element does not transmit light, the plane of the light-shielding portion can be obtained even if the viewing angle is widened compared to the conventional configuration in which a light-shielding portion is provided for each pixel. The visual area is reduced, the luminance value of the displayed image can be increased, and the image quality of the displayed image can be improved.
　また、本実施形態によれば、第１の実施形態と同様に、フィルター板１０３の遮光部１０３ｄと対向する液晶パネル１０１のサブピクセルＣが遮光用液晶素子１０１ｄとして、光を出射しない（オフ）状態として用いられるため、遮光部を回り込む光量が減少するため、より干渉を低減させることができクロストークの発生を抑制することが可能となる。 Further, according to the present embodiment, as in the first embodiment, the sub-pixel C of the liquid crystal panel 101 facing the light shielding portion 103d of the filter plate 103 does not emit light (off) as the light shielding liquid crystal element 101d. Since it is used as a state, the amount of light that goes around the light-shielding portion is reduced, so that interference can be further reduced and occurrence of crosstalk can be suppressed.
＜第４の実施形態＞
　次に、図２により本発明の第４の実施形態による立体映像表示装置を説明する。本実施形態による立体映像表示装置は、表示デバイス１５として第２の実施形態による立体映像液晶モニタが用いられている表示装置である。本実施形態の構成は、図２に示す第３の実施形態と同様である。以下、本実施形態において、第３の実施形態と異なる点のみを説明する。 <Fourth Embodiment>
Next, a stereoscopic video display apparatus according to a fourth embodiment of the present invention will be described with reference to FIG. The stereoscopic video display device according to the present embodiment is a display device in which the stereoscopic video liquid crystal monitor according to the second embodiment is used as the display device 15. The configuration of this embodiment is the same as that of the third embodiment shown in FIG. Hereinafter, only differences from the third embodiment will be described in the present embodiment.
　映像信号処理部１３が映像信号受信部１１から供給される画像データを、映像信号記憶部１２の左目用画像データ記憶領域と右目用画像データ記憶領域とに、入力信号情報に基づいて判定し、振り分けて記憶させる動作までは、第１の実施形態と同様である。 The video signal processing unit 13 determines the image data supplied from the video signal receiving unit 11 in the left-eye image data storage area and the right-eye image data storage area of the video signal storage unit 12 based on the input signal information, The operations up to the sorting and storing are the same as in the first embodiment.
　映像信号処理部１３は、走査線の画素データの読み出しの際、映像信号記憶部１２の左目用画像データ記憶領域と右目用画像データ記憶領域との各々から、２個の連続するサブピクセル単位として、左目用画像データあるいは右目用画像データを２つずつ連続して読み出す。
　ここで、映像信号処理部１３は、左目用画像データまたは右目用画像データのいずれの順番で、２個ずつの画像データを読み出すかは、対象となる表示デバイス１５における左目用画像液晶素子１０１ａ、右目用画像液晶素子１０１ｂの配置順位に対応して予め内部に設定されている。 When reading out the pixel data of the scanning line, the video signal processing unit 13 takes two consecutive subpixel units from each of the left-eye image data storage area and the right-eye image data storage area of the video signal storage unit 12. The left-eye image data or the right-eye image data is successively read out two by two.
Here, the video signal processing unit 13 determines whether to read two pieces of image data in the order of the left-eye image data or the right-eye image data, according to the left-eye image liquid crystal element 101a in the target display device 15. It is preset in advance corresponding to the arrangement order of the right-eye image liquid crystal elements 101b.
　そして、映像信号処理部１３は、２個のサブピクセル毎に読み出した左目用画像データまたは右目用画像データを、順次、映像信号出力部１４へ出力する。
　このとき、映像信号処理部１３は、同一偏光軸方向の２個のサブピクセル（例えば、サブピクセルＬ）と次の同一偏光方向の２個のサブピクセル（例えば、サブピクセルＲ）との間に、遮光用液晶素子１０１ｄに対する画像データとしてサブピクセルＣに対する遮光用の画像データ（階調度が０）のデータを挿入して、サブピクセル…（Ｒ、Ｌ）、Ｃ、（Ｒ、Ｌ）、Ｃ、（Ｒ、Ｌ）…の順番となるように順次出力する。 Then, the video signal processing unit 13 sequentially outputs the left-eye image data or the right-eye image data read for every two subpixels to the video signal output unit 14.
At this time, the video signal processing unit 13 is between the two subpixels (for example, subpixel L) in the same polarization axis direction and the next two subpixels (for example, subpixel R) in the same polarization direction. Then, the image data for the light shielding liquid crystal element 101d is inserted with the data of the light shielding image data (gradation degree 0) for the subpixel C, and the subpixels (R, L), C, (R, L), C , (R, L)... Sequentially output.
　画像データが供給される毎に、映像信号出力部１４は、供給される画像データを、ＬＶＤＳの伝送方式により表示デバイス１５へ出力する。
　表示デバイス１５は、サブピクセルＬ、Ｃ、Ｒの順番で、映像信号出力部１４から供給される画像データの表示処理を、第３の実施形態と同様に行う。 Each time image data is supplied, the video signal output unit 14 outputs the supplied image data to the display device 15 by the LVDS transmission method.
The display device 15 performs display processing of the image data supplied from the video signal output unit 14 in the order of the sub-pixels L, C, and R, as in the third embodiment.
　上述したように、本実施形態によれば、同様の偏光軸に対応するサブピクセルが２個連続して同一偏光軸の画像データが表示されることになり、かつこれらの画像液晶素子の間に設けられた遮光用液晶素子が光を透過させない状態となるため、１画素毎に遮光部を設ける従来の構成に比較して、クロストークを生じない視野角を広くしても、遮光部の平面視における面積が小さくなり、表示する画像の輝度値を明るくすることが可能となり、表示させる画像の画質を向上させることができる。 As described above, according to this embodiment, two subpixels corresponding to the same polarization axis are displayed in succession, and image data having the same polarization axis is displayed, and between these image liquid crystal elements. Since the provided light-shielding liquid crystal element does not transmit light, the plane of the light-shielding portion can be obtained even if the viewing angle is widened compared to the conventional configuration in which a light-shielding portion is provided for each pixel. The visual area is reduced, the luminance value of the displayed image can be increased, and the image quality of the displayed image can be improved.
　また、本実施形態によれば、第１の実施形態と同様に、フィルター板１０３の遮光部１０３ｄと対向する液晶パネル１０１のサブピクセルＣが遮光用液晶素子１０１ｄとして、光を出射しない（オフ）状態として用いられるため、遮光部を回り込む光量が減少するため、より干渉を低減させることができクロストークの発生を抑制することが可能となる。 Further, according to the present embodiment, as in the first embodiment, the sub-pixel C of the liquid crystal panel 101 facing the light shielding portion 103d of the filter plate 103 does not emit light (off) as the light shielding liquid crystal element 101d. Since it is used as a state, the amount of light that goes around the light-shielding portion is reduced, so that interference can be further reduced and occurrence of crosstalk can be suppressed.
　１１　　映像信号受信部
　１２　　映像信号記憶部
　１３　　映像信号処理部
　１４　　映像信号出力部
　１５　　表示デバイス
　１０１　　液晶パネル
　１０１ａ　　左目用画像液晶素子
　１０１ｂ　　右目用画像液晶素子
　１０１ｄ　　遮光用液晶素子
　１０２　　ガラス部材
　１０３　　フィルター部
　１０３ａ　　左目用フィルター部
　１０３ｂ　　右目用フィルター部
　１０３ｄ　　遮光部
　Ｃ，Ｌ，Ｒ　　サブピクセル DESCRIPTION OF SYMBOLS 11 Video signal receiver 12 Video signal memory | storage part 13 Video signal processing part 14 Video signal output part 15 Display device 101 Liquid crystal panel 101a Image liquid crystal element for left eyes 101b Image liquid crystal element for right eyes 101d Light-shielding liquid crystal element 102 Glass member 103 Filter part 103a Filter part for left eye 103b Filter part for right eye 103d Light-shielding part C, L, R Subpixel

Claims (5)

  1. 　１画素が第１、第２及び第３サブピクセルの３つのサブピクセルからなり、当該第１、第２及び第３サブピクセルの配列方向において、第２サブピクセルを光を透過させない遮光用として用い、第２サブピクセルの両側で隣接する第１及び第３サブピクセルの２個のサブピクセルが左目用画像液晶素子及び右目用画像液晶素子として交互に配置されている液晶パネルと、
    　前記左目用画像液晶素子に平面視で重なる位置に、通過する光を第１の偏光軸とする第１フィルター部が配置され、前記右目用画像液晶素子に平面視で重なる位置に、通過する光を第２の偏光軸とする第２フィルター部が配置され、前記第２サブピクセルに平面視で重なる位置に光を遮断する遮光部が配置されたフィルター板と
    備えることを特徴とする立体映像液晶モニタ。     One pixel is composed of three sub-pixels of the first, second, and third sub-pixels, and the second sub-pixel is used for shielding light that does not transmit light in the arrangement direction of the first, second, and third sub-pixels. A liquid crystal panel in which two subpixels of the first and third subpixels adjacent on both sides of the second subpixel are alternately arranged as a left-eye image liquid crystal element and a right-eye image liquid crystal element;
    A first filter portion having a first polarization axis as light passing therethrough is disposed at a position overlapping the left-eye image liquid crystal element in plan view, and light passing through the position overlapping the right-eye image liquid crystal element in plan view A stereoscopic image liquid crystal, comprising: a filter plate in which a second filter unit having a second polarization axis is disposed, and a light-shielding unit disposed at a position overlapping the second subpixel in a plan view. monitor.
  2. 　前記第１、第２及び第３サブピクセルの配列方向が走査線に対して垂直であることを特徴とする請求項１に記載の液晶映像液晶モニタ。 The liquid crystal image liquid crystal monitor according to claim 1, wherein the arrangement direction of the first, second and third subpixels is perpendicular to the scanning line.
  3. 　前記第１、第２及び第３サブピクセルの配列方向が走査線に対して平行であることを特徴とする請求項１に記載の液晶映像液晶モニタ。 The liquid crystal image liquid crystal monitor according to claim 1, wherein the arrangement direction of the first, second and third subpixels is parallel to a scanning line.
  4. 　１画素が第１、第２及び第３サブピクセルの３つのサブピクセルからなり、当該第１、第２及び第３サブピクセルの配列方向において、第２サブピクセルを光を透過させない遮光用として用い、第２サブピクセルの両側で隣接する第１及び第３サブピクセルの２個のサブピクセルが左目用画像液晶素子及び右目用画像液晶素子として交互に配置されている液晶パネルと、
    　前記左目用画像液晶素子に平面視で重なる位置に、通過する光を第１の偏光軸とする第１フィルター部が配置され、前記右目用画像液晶素子に平面視で重なる位置に、通過する光を第２の偏光軸とする第２フィルター部が配置され、前記第２サブピクセルに平面視で重なる位置に光を遮断する遮光部が配置されたフィルター板と、
    　外部から入力される画像データを、前記画像データに付加されている識別情報により、左目用画像データと右目用画像データとに振り分け、前記左目用画像データを前記左目用画像液晶素子へ、また前記右目用画像データを前記右目用画像液晶素子へ供給する映像信号処理部と
    備えることを特徴とする立体映像表示装置。     One pixel is composed of three sub-pixels of the first, second, and third sub-pixels, and the second sub-pixel is used for shielding light that does not transmit light in the arrangement direction of the first, second, and third sub-pixels. A liquid crystal panel in which two subpixels of the first and third subpixels adjacent on both sides of the second subpixel are alternately arranged as a left-eye image liquid crystal element and a right-eye image liquid crystal element;
    A first filter portion having a first polarization axis as light passing therethrough is disposed at a position overlapping the left-eye image liquid crystal element in plan view, and light passing through the position overlapping the right-eye image liquid crystal element in plan view A filter plate in which a second filter unit having a second polarization axis is disposed, and a light shielding unit that blocks light at a position overlapping the second subpixel in plan view;
    Image data input from the outside is divided into left-eye image data and right-eye image data according to identification information added to the image data, and the left-eye image data is transferred to the left-eye image liquid crystal element. A stereoscopic video display apparatus comprising: a video signal processing unit that supplies right-eye image data to the right-eye image liquid crystal element.
  5. 　１画素が第１、第２及び第３サブピクセルの３つのサブピクセルからなり、当該第１、第２及び第３サブピクセルの配列方向において、第２サブピクセルを光を透過させない遮光用として用い、第２サブピクセルの両側で隣接する第１及び第３サブピクセルの２個のサブピクセルが左目用画像液晶素子及び右目用画像液晶素子として交互に配置されている液晶パネルと、
    　前記左目用画像液晶素子に平面視で重なる位置に、通過する光を第１の偏光軸とする第１フィルター部が配置され、前記右目用画像液晶素子に平面視で重なる位置に、通過する光を第２の偏光軸とする第２フィルター部が配置され、前記第２サブピクセルに平面視で重なる位置に光を遮断する遮光部が配置されたフィルター板と
    　からなる立体映像表示装置を制御する制御方法であり、
    　映像信号処理部が、外部から入力される画像データを、前記画像データに付加されている識別情報により、左目用画像データと右目用画像データとに振り分け、前記左目用画像データを前記左目用画像液晶素子へ、また前記右目用画像データを前記右目用画像液晶素子へ供給する
    ことを特徴とする立体映像表示方法。     One pixel is composed of three sub-pixels of the first, second, and third sub-pixels, and the second sub-pixel is used for shielding light that does not transmit light in the arrangement direction of the first, second, and third sub-pixels. A liquid crystal panel in which two subpixels of the first and third subpixels adjacent on both sides of the second subpixel are alternately arranged as a left-eye image liquid crystal element and a right-eye image liquid crystal element;
    A first filter portion having a first polarization axis as light passing therethrough is disposed at a position overlapping the left-eye image liquid crystal element in plan view, and light passing through the position overlapping the right-eye image liquid crystal element in plan view A stereoscopic image display device comprising: a second filter unit having a second polarization axis and a filter plate having a light blocking unit arranged to block light at a position overlapping the second sub-pixel in plan view Control method,
    A video signal processing unit distributes image data input from the outside into left-eye image data and right-eye image data according to identification information added to the image data, and the left-eye image data is converted into the left-eye image data. A stereoscopic image display method, comprising: supplying a right-eye image data to a liquid crystal element and the right-eye image liquid crystal element.
PCT/JP2011/067269 2011-07-28 2011-07-28 Stereoscopic liquid crystal monitor, stereoscopic image display device and stereoscopic image display method WO2013014786A1 (en)

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