WO2012169466A1 - Dispositif d'affichage - Google Patents

Dispositif d'affichage Download PDF

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Publication number
WO2012169466A1
WO2012169466A1 PCT/JP2012/064401 JP2012064401W WO2012169466A1 WO 2012169466 A1 WO2012169466 A1 WO 2012169466A1 JP 2012064401 W JP2012064401 W JP 2012064401W WO 2012169466 A1 WO2012169466 A1 WO 2012169466A1
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WIPO (PCT)
Prior art keywords
pixel
sub
display device
subpixel
liquid crystal
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PCT/JP2012/064401
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English (en)
Japanese (ja)
Inventor
加藤　浩巳
耕平 田中
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シャープ株式会社
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Publication of WO2012169466A1 publication Critical patent/WO2012169466A1/fr

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    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/001—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes using specific devices not provided for in groups G09G3/02 - G09G3/36, e.g. using an intermediate record carrier such as a film slide; Projection systems; Display of non-alphanumerical information, solely or in combination with alphanumerical information, e.g. digital display on projected diapositive as background
    • G09G3/003—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes using specific devices not provided for in groups G09G3/02 - G09G3/36, e.g. using an intermediate record carrier such as a film slide; Projection systems; Display of non-alphanumerical information, solely or in combination with alphanumerical information, e.g. digital display on projected diapositive as background to produce spatial visual effects
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
    • G09G3/3611—Control of matrices with row and column drivers
    • G09G3/3648—Control of matrices with row and column drivers using an active matrix
    • 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
    • H04N13/305—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays using lenticular lenses, e.g. arrangements of cylindrical lenses
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/30—Image reproducers
    • H04N13/302—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays
    • H04N13/317—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays using slanted parallax optics
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/30—Image reproducers
    • H04N13/324—Colour aspects
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1343—Electrodes
    • G02F1/134309—Electrodes characterised by their geometrical arrangement
    • G02F1/134345—Subdivided pixels, e.g. for grey scale or redundancy
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2300/00—Aspects of the constitution of display devices
    • G09G2300/04—Structural and physical details of display devices
    • G09G2300/0439—Pixel structures
    • G09G2300/0443—Pixel structures with several sub-pixels for the same colour in a pixel, not specifically used to display gradations
    • G09G2300/0447—Pixel structures with several sub-pixels for the same colour in a pixel, not specifically used to display gradations for multi-domain technique to improve the viewing angle in a liquid crystal display, such as multi-vertical alignment [MVA]
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2300/00—Aspects of the constitution of display devices
    • G09G2300/04—Structural and physical details of display devices
    • G09G2300/0439—Pixel structures
    • G09G2300/0452—Details of colour pixel setup, e.g. pixel composed of a red, a blue and two green components
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2300/00—Aspects of the constitution of display devices
    • G09G2300/04—Structural and physical details of display devices
    • G09G2300/0469—Details of the physics of pixel operation
    • G09G2300/0478—Details of the physics of pixel operation related to liquid crystal pixels
    • G09G2300/0495—Use of transitions between isotropic and anisotropic phases in liquid crystals, by voltage controlled deformation of the liquid crystal molecules, as opposed to merely changing the orientation of the molecules as in, e.g. twisted-nematic [TN], vertical-aligned [VA], cholesteric, in-plane, or bi-refringent liquid crystals
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
    • G09G3/3611—Control of matrices with row and column drivers
    • G09G3/3614—Control of polarity reversal in general
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
    • G09G3/3611—Control of matrices with row and column drivers
    • G09G3/3648—Control of matrices with row and column drivers using an active matrix
    • G09G3/3655—Details of drivers for counter electrodes, e.g. common electrodes for pixel capacitors or supplementary storage capacitors

Definitions

  • the present invention relates to a display device, and more particularly, to a display device that includes an image separation element such as a lenticular lens sheet or a parallax barrier element and can display images corresponding to a plurality of viewpoints.
  • an image separation element such as a lenticular lens sheet or a parallax barrier element
  • stereoscopic image display devices capable of displaying stereoscopic images (sometimes referred to as “three-dimensional images” or “3D images”) have been commercialized and attracted attention. Yes.
  • Stereoscopic image display devices use glasses for displaying separate images to the left and right eyes (glasses type), and provide a stereoscopic effect with the naked eye without using such glasses (naked eye type). It is roughly divided into
  • a naked-eye type stereoscopic image display device one having an image separation element such as a lenticular lens sheet or a parallax barrier element is generally used.
  • the image for the right eye and the image for the left eye are displayed on pixels having different horizontal positions, so that the resolution in the horizontal direction (that is, in the left-right direction) is lowered.
  • the resolution in the horizontal direction is significantly reduced.
  • a color display pixel which is a minimum unit of color display, includes a plurality of pixels (typically red pixels, green pixels, and blue pixels) arranged in the horizontal direction.
  • the color display pixels that display the image for each viewpoint are configured by a plurality of pixels that are shifted in an oblique direction (that is, in a direction inclined with respect to the vertical direction)
  • Patent Document 1 A display device has been proposed (for example, Patent Document 1).
  • the extending direction of the structure (structure for image separation) included in the image separation element is also inclined with respect to the vertical direction.
  • FIG. 24 shows a display device 800 disclosed in Patent Document 1.
  • the display device 800 is designed so that the number of viewpoints is four.
  • the display device 800 includes a plurality of pixels arranged in a matrix, and these pixels include a first pixel P1 for the first viewpoint, a second pixel P2 for the second viewpoint, and a third pixel for the third viewpoint.
  • the pixel P3 and the fourth pixel P4 for the fourth viewpoint are included.
  • a color display pixel for each viewpoint is configured by three pixels shifted in an oblique direction.
  • one color display pixel for the first viewpoint is configured by the three first pixels P1 (typically red pixels, green pixels, and blue pixels) that are hatched in FIG. .
  • the vertical resolution is somewhat lowered.
  • the display device 800 includes a parallax barrier element as an image separation element.
  • FIG. 24 shows an opening 802b of the Barrax barrier element. As shown in FIG. 24, the extending direction of the opening 802b is inclined with respect to the vertical direction.
  • observation area an area that emits light that reaches the eyes of the observer. It is preferable to widen.
  • the enlargement of the observation area can be realized, for example, by adjusting the focal length of the lens of the lenticular lens sheet or by widening the opening of the parallax barrier element.
  • FIG. 25 shows a display device 900 designed so that the number of viewpoints is nine.
  • red, green, and blue pixels for the n-th (n is 1 to 9) viewpoint are denoted by reference numerals Rn, Gn, and Bn, respectively.
  • the display device 900 includes a lenticular lens sheet as an image separation element.
  • Each of the plurality of lenticular lenses included in the lenticular lens sheet extends in parallel with a broken line LB shown in FIG.
  • a broken line LB corresponds to a boundary between lenticular lenses.
  • FIG. 25 shows an area re3 that emits light toward the third viewpoint (that is, the observation area of the third viewpoint).
  • the observation region re3 By enlarging the observation region re3, it is possible to reduce moire fringes and improve light utilization efficiency. Also, depending on the optical performance of the lenticular lens used, the observation region re3 may unintentionally expand.
  • the observation region re3 is not only the red pixel R3, the green pixel G3, and the blue pixel B3 for the third viewpoint, but also the red pixel R2, the green pixel G2, and the blue pixel B2 for the second viewpoint. And a portion of the red pixel R4, the green pixel G4, and the blue pixel B4 for the fourth viewpoint. Since these portions are not regions for the third viewpoint pixel (red pixel R3, green pixel G3, and blue pixel B3), they are regions that cause crosstalk (crosstalk regions).
  • 26 (a) and 26 (b) show the crosstalk region CR when the observation region re3 is relatively small and when the observation region re3 is relatively large.
  • the enlargement of the observation region re3 is an enlargement of the crosstalk region CR (shown in black in the drawing) observed from the third viewpoint.
  • crosstalk increases.
  • the present invention has been made in view of the above problems, and an object thereof is to reduce crosstalk and / or moire fringes in a display device provided with an image separation element.
  • a display device includes a plurality of pixels arranged in a matrix including a plurality of rows and a plurality of columns, the first pixel and the second viewpoint for displaying an image for a first viewpoint.
  • a display panel having a plurality of pixels including at least a second pixel for displaying an image for use, and an image separation element disposed on an observer side of the display panel, the display light emitted from the first pixel And an image separation element that separates display light emitted from the second pixel, and each of the plurality of pixels includes a first sub-pixel and a second sub-pixel having different positions in the column direction, The positions of the first subpixel and the second subpixel are also different from each other in the row direction.
  • the display panel is a liquid crystal display panel having a pair of substrates and a liquid crystal layer provided between the pair of substrates.
  • the liquid crystal display panel includes a scan line and a signal line, and a pixel electrode provided in each of the plurality of pixels, and the pixel electrode includes the first sub-pixel and the pixel electrode.
  • a sub-pixel electrode provided in each of the second sub-pixels is included.
  • the liquid crystal display panel includes auxiliary capacitance lines extending in a row direction, and the first subpixel and the second subpixel are arranged with the auxiliary capacitance line interposed therebetween. Yes.
  • the alignment state of the liquid crystal layer in the first sub-pixel and the alignment state of the liquid crystal layer in the second sub-pixel are different from each other.
  • the orientation in which the liquid crystal molecules in the liquid crystal layer in the first subpixel are aligned, and the liquid crystal molecules in the liquid crystal layer in the second subpixel are aligned is different from each other.
  • the alignment state of the liquid crystal layer is controlled by a lateral electric field.
  • the sub-pixel electrodes of the first sub-pixel and the second sub-pixel each have a plurality of slits, and the sub-pixel electrodes of the first sub-pixel have the plurality of slits.
  • the extending direction and the extending direction of the plurality of slits of the sub-pixel electrode of the second sub-pixel are different from each other.
  • the sub-pixel electrode of the first sub-pixel and the sub-pixel electrode of the second sub-pixel are electrically connected to each other.
  • the first sub-pixel and the second sub-pixel when displaying at least a certain halftone, may exhibit different luminances.
  • each of the first subpixel and the second subpixel includes an auxiliary capacitance electrode electrically connected to the subpixel electrode, an insulating layer, and the auxiliary layer through the insulating layer.
  • the storage capacitor has a storage capacitor formed by a storage capacitor counter electrode facing the capacitor electrode, and the storage capacitor counter electrode is electrically independent for each of the first sub-pixel and the second sub-pixel.
  • the signal wiring extends in the column direction, and the first subpixel and the second subpixel are arranged with the signal wiring interposed therebetween.
  • the position of the second sub-pixel in the row direction is shifted from the position of the first sub-pixel in the row direction by substantially the same pixel pitch along the row direction.
  • the signal wiring extends along a column direction, and a position in the row direction of the second sub pixel is a pixel along the row direction with respect to a position in the row direction of the first sub pixel.
  • the auxiliary capacitance of one of the plurality of pixels of the first sub-pixel and the second sub-pixel of the plurality of pixels is less than the pitch.
  • the pixel is disposed between the pixel and a pixel adjacent to the certain pixel along the row direction, and the signal wiring is the other sub-pixel of the first sub-pixel and the second sub-pixel of the certain pixel.
  • the pixel is disposed between the pixel and the pixel adjacent to the certain pixel along the row direction.
  • the signal wiring includes a first portion extending along the column direction and a second portion extending along the row direction, and the first portion and the second portion. And are arranged alternately.
  • the position of the second sub-pixel in the row direction is shifted from the position of the first sub-pixel in the row direction by substantially the same as half the pixel pitch along the row direction.
  • a polarity of a display signal voltage supplied by the signal wiring corresponding to a certain pixel column, and a pixel column adjacent to the certain pixel column along a row direction are corresponded.
  • the polarity of the display signal voltage supplied by the signal wiring is different from each other.
  • the image separation element is a lenticular lens sheet having a plurality of lenticular lenses each extending in a direction inclined with respect to the column direction.
  • the direction in which each of the plurality of lenticular lenses extends is substantially parallel to a straight line connecting the center of the first subpixel and the center of the second subpixel.
  • FIG. 1 is a perspective view schematically showing a display device 100 in a preferred embodiment of the present invention.
  • (A) And (b) is sectional drawing and the top view which show typically the lenticular lens sheet 2A used as the image separation element 2 with which the display apparatus 100 is provided, respectively.
  • 3 is a plan view schematically showing a display panel 1 provided in the display device 100.
  • FIG. 3 is a plan view schematically showing a display panel 1 provided in the display device 100.
  • FIG. 3 is a plan view schematically showing a display panel 1 provided in the display device 100.
  • FIG. 3 is a plan view schematically showing a display panel 1 provided in the display device 100.
  • FIG. 3 is a plan view schematically showing a display panel 1 provided in the display device 100.
  • FIG. 1 is a figure which expands and shows the blue pixel B3 for 3rd viewpoints in the display apparatus 900 of a comparative example
  • (b) and (c) are the blue pixels for 3rd viewpoints in the display apparatus 100.
  • FIG. It is a figure which expands and shows B3 periphery.
  • 3 is a plan view schematically showing a display panel 1 provided in the display device 100.
  • FIG. 3 is a plan view schematically showing a parallax barrier element 2B used as the image separation element 2 provided in the display device 100.
  • FIG. It is a figure which shows typically liquid crystal display panel 1A used as the display panel 1 with which the display apparatus 100 is provided, and is sectional drawing which shows the area
  • FIG. 2 is a diagram schematically illustrating a liquid crystal display device 100A according to a preferred embodiment of the present invention, in which three pixels (a red pixel R, a green pixel G, and a blue pixel) constituting a color display pixel during 2D display in the liquid crystal display device 100A. It is a top view which shows the area
  • FIG. 2 is a diagram schematically showing a liquid crystal display device 100B according to a preferred embodiment of the present invention, in which three pixels (a red pixel R, a green pixel G, and a blue pixel) constituting a color display pixel at the time of 2D display in the liquid crystal display device 100B. It is a top view which shows the area
  • FIG. 2 is a diagram schematically showing a liquid crystal display device 100C according to a preferred embodiment of the present invention, in which three pixels (a red pixel R, a green pixel G, and a blue pixel) constituting a color display pixel at the time of 2D display in the liquid crystal display device 100C. It is a top view which shows the area
  • FIG. 2 is a diagram schematically illustrating a liquid crystal display device 100D according to a preferred embodiment of the present invention, in which three pixels (a red pixel R, a green pixel G, and a blue pixel) constituting a color display pixel at the time of 2D display in the liquid crystal display device 100D. It is a top view which shows the area
  • FIG. 10 is a plan view schematically showing a display device 800 disclosed in Patent Document 1.
  • (A) And (b) is a top view which shows typically the display apparatus 900 designed so that the number of viewpoints may be 9, (a) shows the case where the observation area
  • FIG. 1 shows a display device 100 according to a preferred embodiment of the present invention.
  • the display device 100 is a naked-eye type stereoscopic image display device. As shown in FIG. 1, the display device 100 includes a display panel 1 and an image separation element 2 disposed on the viewer side of the display panel 1.
  • the display panel 1 has a plurality of pixels (not shown here) arranged in a matrix including a plurality of rows and a plurality of columns. As will be described later, these pixels include at least a first pixel for displaying an image for a first viewpoint and a second pixel for displaying an image for a second viewpoint.
  • the image separation element 2 receives light from the display panel 1 and separates display light emitted from the first pixel and display light emitted from the second pixel.
  • the image separation element 2 in the present embodiment is a lenticular lens sheet.
  • FIG. 2A and 2B show examples of specific configurations of the lenticular lens sheet 2A used as the image separation element 2.
  • FIG. 2A and 2B are a cross-sectional view and a plan view, respectively, schematically showing the lenticular lens sheet 2A.
  • the lenticular lens sheet 2A has a plurality of lenticular lenses 2a as shown in FIGS. 2 (a) and 2 (b).
  • Each of the plurality of lenticular lenses 2a has a semi-cylindrical shape as shown in FIG.
  • each lenticular lens 2a is inclined at a predetermined angle ⁇ with respect to the column direction (X direction in FIG. 2B) (that is, not parallel, and , Not orthogonal).
  • Each lenticular lens 2a is also inclined with respect to the row direction (Y direction in FIG. 2B).
  • FIG. 3 is a plan view schematically showing the display panel 1.
  • one color display pixel which is the minimum unit of color display, is configured by three pixels: a red pixel that displays red, a green pixel that displays green, and a blue pixel that displays blue.
  • the display panel 1 is designed so that the number of viewpoints is nine.
  • the boundary between the lenticular lenses 2a is indicated by a broken line LB.
  • the interval between the two broken lines LB corresponds to the arrangement pitch (lens pitch) LP of the lenticular lenses 2a.
  • the display panel 1 has a plurality of pixels arranged in a matrix, and these pixels include first to ninth pixels for first to ninth viewpoints.
  • the pixel displaying red is the n-th red pixel Rn
  • the pixel displaying green is the n-th green pixel Gn
  • blue is A pixel to be displayed is referred to as an nth blue pixel Bn.
  • the color display pixel CP 3D for each viewpoint is composed of red pixels, green pixels, and blue pixels that are arranged obliquely.
  • the color display pixel CP 3D for the first viewpoint located in the upper left in FIG. 3 includes the first red pixel R1 located in the first row and the first column and the first green located in the second row and the second column.
  • the pixel G1 and the first blue pixel B1 located in the third row and the third column are configured.
  • Color display pixel CP 2D when displaying two-dimensional images (during 2D display) is constituted by three successive pixels along the row direction (the red pixel, green pixel and blue pixel).
  • each pixel has a rectangular shape as shown in FIG.
  • each pixel of the display panel 1 shown in FIG. 3 is not a simple rectangular shape.
  • Each pixel of the display panel 1 includes a plurality (here, two) of regions Sp1 and Sp2, as shown in FIG.
  • these two regions Sp1 and Sp2 are referred to as “first subpixel” and “second subpixel”, respectively.
  • the positions of the first subpixel Sp1 and the second subpixel Sp2 are different from each other in the column direction (X direction).
  • the first subpixel Sp1 and the second subpixel Sp2 are also different from each other in the row direction (Y direction).
  • the position of the second sub-pixel Sp2 in the row direction is shifted from the position of the first sub-pixel Sp1 in the row direction by substantially the same as half the pixel pitch Pir along the row direction. Yes. That is, the second sub-pixel Sp2 is shifted from the first sub-pixel Sp1 by a half pixel along the row direction.
  • the shift amount of the second subpixel Sp2 with respect to the first subpixel Sp1 is not limited to the example shown in FIG.
  • the position of the second sub-pixel Sp2 in the row direction is shifted from the position of the first sub-pixel Sp1 in the row direction by substantially the same pixel pitch Pir along the row direction. May be. That is, the second subpixel Sp2 may be shifted by one pixel along the row direction with respect to the first subpixel Sp1.
  • the light emitted from the display panel 1 includes display light from the first to ninth pixels for the first to ninth viewpoints, but the traveling direction of the display light is appropriately determined by the lenticular lens sheet (image separation element) 2A. Since it is converted, display light from the corresponding pixel mainly reaches each viewpoint. Therefore, the display device 100 can display a multi-viewpoint (here, 9 viewpoints) stereoscopic image.
  • FIGS. 5 and 6 show a region (ie, an observation region at the third viewpoint) re3 that emits light reaching the third viewpoint in the display panel 1 shown in FIG. 3 and the display panel 1 shown in FIG.
  • the extending direction of the observation region re3 is substantially parallel to the boundary LB between the lenticular lenses 2a, that is, substantially parallel to the extending direction of the lenticular lens 2a. Therefore, the observation region re3 is inclined with respect to the column direction.
  • FIGS. 5 and 6 illustrate the observation area re3 of the third viewpoint, but the same applies to the observation areas of the other viewpoints (first, second, and fourth to ninth viewpoints).
  • each pixel includes a first sub-pixel Sp1 and a second sub-pixel Sp2 whose positions in the column direction and positions in the row direction are different from each other. That is, each pixel is composed of a plurality of sub-pixels (a plurality of regions) that are shifted in an oblique direction (in other words, the lower region of each pixel is shifted in the row direction with respect to the upper region). ing). Therefore, it is possible to efficiently arrange the pixels for each viewpoint in the observation area for each viewpoint (that is, the proportion of the corresponding pixels is high in the observation area). Therefore, crosstalk and / or moire fringes can be reduced.
  • these effects will be described more specifically with the display device 900 shown in FIG. 25 as a comparative example.
  • FIG. 7A is an enlarged view of the periphery of the blue pixel B3 for the third viewpoint in the display device 900 of the comparative example.
  • FIGS. 7B and 7C are enlarged views of the periphery of the third viewpoint blue pixel (third blue pixel) B3 in the display device 100 of the present embodiment, and FIG. 7 corresponds to the display panel 1 shown in FIG. 3, and FIG. 7C corresponds to the display panel 1 shown in FIG.
  • the pixel pitch Pir along the row direction is 1/3 of the pixel pitch Pic along the column direction.
  • the inclination angle ⁇ (see FIG. 2) of the extending direction of the lenticular lens 2a with respect to the column direction is tan ⁇ 1 (1/3) in the examples of FIGS. 7A and 7B, and FIG. In the example of c), tan -1 (2/3).
  • the third viewpoint observation region re ⁇ b> 3 is not only the third viewpoint blue pixel B ⁇ b> 3 but also a part of the second viewpoint green pixel G ⁇ b> 2. And part of the red pixel R4 for the fourth viewpoint.
  • These portions (region CR shown in black in FIGS. 7A, 7B, and 7C) emit display light for viewpoints other than the third viewpoint, and thus cause crosstalk. (Crosstalk area).
  • the display device 100 in this embodiment has a smaller crosstalk region CR than the display device 900 of the comparative example.
  • the ratio of the crosstalk region CR to the entire observation region re3 is 25%.
  • the ratio of the crosstalk region CR to the entire observation region re3 is 12.5%.
  • the ratio of the crosstalk region CR can be reduced. This is because each pixel of the display device 100 includes the first sub-pixel Sp1 and the second sub-pixel Sp2 that are obliquely shifted from each other, and the corresponding pixels can be efficiently arranged in the observation region of each viewpoint. is there. Therefore, in the display device 100 of the present embodiment, crosstalk can be reduced.
  • the display device 100 can increase the inclination angle ⁇ in the extending direction of the lenticular lens 2a without enlarging the crosstalk region CR, as compared with the display device 900 of the comparative example. That is.
  • moire fringes can be reduced.
  • moire fringes can also be reduced by adjusting the focal length of the lenticular lens 2a to enlarge the observation region, but in this case, the crosstalk region CR is also enlarged, so that crosstalk increases. End up.
  • moire fringes can be reduced without increasing crosstalk.
  • crosstalk and / or moire fringes can be reduced.
  • Japanese Patent Application Laid-Open No. 2004-264858 discloses a technique in which a lenticular lens plate is provided with a lens having a special shape whose position is shifted in the horizontal direction by a predetermined distance for each pixel row. It is disclosed. However, it is actually difficult to manufacture a lens having a special shape as disclosed in Japanese Patent Application Laid-Open No. 2004-264858. In addition, since the portion (boundary portion) corresponding to the pixel rows of the lenticular lens plate is not in an optimum shape for image separation, the light passing through the boundary portion causes a reduction in display quality.
  • the display device 100 it is not necessary to provide the image separation element 2 with a lens having a special shape as disclosed in Japanese Patent Application Laid-Open No. 2004-264858, and as described above. Display quality will not deteriorate.
  • the inclination angle ⁇ in the extending direction of the lenticular lens 2a is set according to the shift amount along the row direction of the second sub-pixel Sp2 with respect to the first sub-pixel Sp1.
  • the extending direction of each lenticular lens 2a (parallel to the broken line LB indicating the boundary between the lenticular lenses 2a) is the center c1 of the first subpixel Sp1 and the second subpixel Sp2.
  • the inclination angle ⁇ is preferably set so as to be substantially parallel to the straight line L connecting the center c2.
  • the above-described preferable setting condition regarding the inclination angle ⁇ of the lenticular lens 2a is that when the first subpixel Sp1 and the second subpixel Sp2 have the same size, the pixel pitch Pic along the column direction and the second subpixel Sp2
  • the amount of shift S Y along the row direction with respect to the first sub-pixel Sp1 is expressed by the following equation.
  • the inclination angle ⁇ of the lenticular lens 2a satisfies the following expression.
  • the lens pitch LP of the lenticular lens sheet 2A is nine times the pixel pitch Pir along the row direction (see FIGS. 3 and 4) is exemplified.
  • the lens pitch LP is not necessarily the pixel pitch. It need not be an integer multiple.
  • the pitch LP may be 4.5 times the pixel pitch Pir along the row direction.
  • the number of viewpoints is nine is exemplified, but the number of viewpoints is not limited to nine.
  • the number of viewpoints may be an arbitrary number of 2 or more.
  • the appropriate viewing angle range can be widened, but the reduction in resolution in the horizontal direction increases.
  • the horizontal resolution is 1/3 of 2D display (the vertical resolution is also 1/3), but when the number of viewpoints is increased to 12, the horizontal direction Will be 1/4 of that in 2D display (the vertical resolution remains 1/3).
  • the number of viewpoints is preferably set in consideration of a desired viewing angle range, resolution, and the like.
  • the image separation element 2 is not limited to the lenticular lens sheet 2A exemplified in the above description.
  • a parallax barrier element may be used as the image separation element 2.
  • FIG. 9 shows an example of a specific configuration of the parallax barrier element 2B.
  • FIG. 9 is a plan view schematically showing the parallax barrier element 2B.
  • the parallax barrier element 2B has a plurality of light transmitting portions (openings) 2b and a plurality of light shielding portions 2c.
  • Each translucent part 2b and each light-shielding part 2c are strip-shaped, and the translucent part 2b and the light-shielding part 2c are alternately arranged. Further, as shown in FIG. 9, the translucent part 2b extends in a direction inclined at a predetermined angle ⁇ ′ with respect to the column direction.
  • the inclination angle ⁇ ′ of the light transmitting portion 2b is set from the same viewpoint as the inclination angle ⁇ of the lenticular lens 2a.
  • the parallax barrier element 2B Even if the parallax barrier element 2B is used, image separation can be suitably performed. However, since the parallax barrier element 2B includes a plurality of light shielding portions 2c, a part of the light emitted from the display panel 1 is absorbed by the light shielding portions 2c. Therefore, it is preferable to use the lenticular lens sheet 2A as the image separation element 2 from the viewpoint of realizing bright display (or increasing light utilization efficiency).
  • elements other than the lenticular lens sheet 2A and the parallax barrier element 2B may be used.
  • a microlens array having a plurality of microlenses as disclosed in Japanese Patent No. 4634112 may be used.
  • an element including a liquid crystal lens disclosed in the literature by Hong et al. (“Autostereoscopic 2D / 3D Switching 3 Display Display Using Electric-Field-Driven LC LC Lens" (ELC Lens)) and disclosed in Japanese Patent No. 3865762
  • An image separation element having a variable optical function, such as a switching liquid crystal device that is used, may be used.
  • a color display pixel is configured by a red pixel, a green pixel, and a blue pixel, and color display is performed using three primary colors, but color display is performed using four or more primary colors. It may be broken.
  • a display device that uses four or more primary colors for color display is called a multi-primary color display device.
  • a color display pixel may be configured by four pixels including a yellow pixel that displays yellow in addition to a red pixel, a green pixel, and a blue pixel. In this case, the color reproduction range can be widened.
  • a color display pixel may be configured by four pixels including a white pixel that displays white in addition to a red pixel, a green pixel, and a blue pixel. In this case, since the added primary color is white, the color reproduction range cannot be widened, but the display luminance can be increased.
  • each pixel is not limited to two.
  • Each pixel may include three or more sub-pixels shifted in an oblique direction.
  • FIG. 10 shows an example of a specific configuration of a liquid crystal display panel 1 ⁇ / b> A used as the display panel 1.
  • FIG. 10 is a cross-sectional view schematically showing a region corresponding to one pixel of the liquid crystal display panel 1A.
  • the liquid crystal display panel 1A includes an active matrix substrate (hereinafter referred to as “TFT substrate”) 10 and a counter substrate (also referred to as “color filter substrate”) facing the active matrix substrate 10. 20 and a liquid crystal layer 30 provided therebetween.
  • TFT substrate active matrix substrate
  • counter substrate also referred to as “color filter substrate”
  • the TFT substrate 10 includes an insulating transparent substrate (for example, a glass substrate) 10a and a pixel electrode 11 provided on the liquid crystal layer 30 side of the substrate 10a.
  • the counter substrate 20 includes a transparent substrate (for example, a glass substrate) 20a having insulating properties, and a counter electrode 21 provided on the liquid crystal layer 30 side of the substrate 20a.
  • a pair of alignment films 19 and 29 are provided on the outermost surfaces of the TFT substrate 10 and the counter substrate 20 on the liquid crystal layer 30 side.
  • the TFT substrate 10 further includes a thin film transistor (TFT) provided for each pixel, a scanning wiring for supplying a scanning signal to the TFT, a signal wiring for supplying a video signal to the TFT, and the like.
  • the counter substrate 20 further includes a color filter. Depending on the display mode, the counter electrode 21 may not be provided on the counter substrate 20.
  • a display panel other than the liquid crystal display panel 1A may be used.
  • a self-luminous display panel such as an organic EL (Electro-Luminescense) display panel or a plasma display panel may be used.
  • liquid crystal display panel 1A is used as the display panel 1 (that is, when the display device 100 is a liquid crystal display device).
  • FIG. 11 and 12 show a liquid crystal display device 100A in the present embodiment.
  • FIG. 11 is an equivalent circuit diagram schematically showing a region corresponding to one pixel of the liquid crystal display device 100A.
  • FIG. 12 is a plan view schematically showing regions corresponding to three pixels (red pixel R, green pixel G, and blue pixel B) constituting the color display pixel at the time of 2D display in the liquid crystal display device 100A. .
  • the liquid crystal display device 100A includes scanning lines GL and signal lines SL, and pixel electrodes 11, as shown in FIGS.
  • the scanning wiring GL extends along the row direction.
  • the signal line SL extends along the column direction.
  • the scanning lines GL corresponding to the (m ⁇ 1) th pixel row and the scanning lines GL corresponding to the mth pixel row are denoted by reference numerals GL (m ⁇ 1) and GL (m), respectively.
  • SLR, SLG, and SLB are attached to the signal wiring SL corresponding to the column of red pixels R, the signal wiring SL corresponding to the column of green pixels G, and the signal wiring SL corresponding to the column of blue pixels, respectively. ing.
  • the pixel electrode 11 is provided in each of a plurality of pixels. Each pixel is provided with a TFT 12 electrically connected to the pixel electrode 11.
  • the TFT 12 includes a gate electrode 12g, a source electrode 12s, a drain electrode 12d, and a semiconductor layer 12a.
  • the gate electrode 12g is electrically connected to the scanning line GL
  • the source electrode 12s is electrically connected to the signal line SL.
  • the drain electrode 12d is electrically connected to the pixel electrode 11.
  • the drain electrode 12d is connected to the pixel electrode 11 in a contact hole Ch formed in an interlayer insulating film (not shown).
  • the TFT 12 having the above-described configuration is supplied with a scanning signal from the corresponding scanning wiring GL.
  • the TFT 12 provided in the (m ⁇ 1) th pixel row is supplied with a scanning signal from the scanning wiring GL (m ⁇ 1) of the (m ⁇ 1) th pixel row, and the TFT 12 provided in the mth pixel row. Is supplied with a scanning signal from the scanning wiring GL (m) of the mth pixel row.
  • the TFT 12 is supplied with a video signal from the corresponding signal line SL.
  • the TFT 12 provided in the red pixel R is supplied with the video signal from the signal wiring SLR in the column of the red pixel R
  • the TFT 12 provided in the green pixel G is supplied with the video signal from the signal wiring SLG in the column of the green pixel G.
  • the TFT 12 provided in the blue pixel B is supplied with a video signal from the signal wiring SLB in the column of the blue pixel B.
  • the liquid crystal display device 100A includes a storage capacitor line CL and a counter electrode (not shown) facing the pixel electrode 11.
  • the auxiliary capacitance line CL extends along the row direction.
  • CL (m) and a reference symbol are attached to the auxiliary capacitance line CL corresponding to the mth pixel row.
  • the counter electrode is typically a single conductive film that is continuous over the entire display region, and is an electrode common to all pixels (thus, sometimes referred to as a common electrode).
  • the counter electrode is electrically connected to a common wiring (common wiring) COM for supplying a counter voltage (common voltage).
  • each pixel is provided with a liquid crystal capacitor Clc and an auxiliary capacitor Cs electrically connected in parallel to the liquid crystal capacitor Clc.
  • the liquid crystal capacitor Clc is composed of the pixel electrode 11, a counter electrode, and a liquid crystal layer (not shown) positioned therebetween.
  • the auxiliary capacitance Cs includes an auxiliary capacitance electrode 13, an auxiliary capacitance counter electrode 14 facing the auxiliary capacitance electrode 13, and an insulating layer (not shown) positioned therebetween.
  • the auxiliary capacitance electrode 13 is electrically connected to the pixel electrode 11.
  • a connection electrode 15 extending from the drain electrode 12d of the TFT 12 is provided, and the auxiliary capacitance electrode 13 is electrically connected to the pixel electrode 11 through the connection electrode 15 and the drain electrode 12d. Has been.
  • the auxiliary capacity counter electrode 14 is electrically connected to the auxiliary capacity line CL.
  • the storage capacitor counter electrode 14 is supplied with a storage capacitor counter voltage (Cs voltage) from the corresponding storage capacitor line CL.
  • Cs voltage storage capacitor counter voltage
  • the storage capacitor counter electrode 14 provided in the mth pixel row is supplied with the Cs voltage from the storage capacitor line CL (m) in the mth pixel row.
  • Each pixel of the liquid crystal display device 100A in this embodiment also includes a first sub-pixel Sp1 and a second sub-pixel Sp2 that are different in position in the column direction (X direction) and in the row direction (Y direction).
  • the position in the row direction of the second subpixel Sp2 is shifted from the position in the row direction of the first subpixel Sp1 by substantially the same as the pixel pitch Pir along the row direction. That is, the second sub pixel Sp2 is shifted by one pixel along the row direction with respect to the first sub pixel Sp1.
  • the pixel electrode 11 includes sub-pixel electrodes 11a and 11b provided in the first sub-pixel Sp1 and the second sub-pixel Sp2, respectively, as shown in FIG.
  • the subpixel electrode 11a of the first subpixel Sp1 is referred to as a first subpixel electrode
  • the subpixel electrode 11b of the second subpixel Sp2 is referred to as a second subpixel electrode.
  • the first subpixel electrode 11a and the second subpixel electrode 11b are continuous conductive films, it can be said that they are electrically connected to each other.
  • the storage capacitor line CL is located between the first sub-pixel Sp1 and the second sub-pixel Sp2 in the column direction, and the first sub-pixel Sp1 and the second sub-pixel Sp2. Are arranged above and below the storage capacitor line CL. For this reason, in the observation region (the observation region re for a certain viewpoint is representatively shown in FIG. 12), the auxiliary capacitance is added to the crosstalk region located in the vicinity of the boundary between the first subpixel Sp1 and the second subpixel Sp2. It becomes easy to arrange Cs.
  • At least one of the pair of electrodes (specifically, the auxiliary capacitance electrode 13 and the auxiliary capacitance counter electrode 14) constituting the auxiliary capacitance Cs has the same light shielding property as the wiring (both in the example shown in FIG. 12). Since it is made of a conductive material, the crosstalk can be further reduced by arranging the auxiliary capacitor Cs in the crosstalk region.
  • the signal line SL is located between the first subpixel Sp1 and the second subpixel Sp2 in the row direction, and the first subpixel Sp1 and the second subpixel Sp2 It can also be said that the wiring SL is arranged on the left and right sides.
  • FIG. 13 and 14 show a liquid crystal display device 100B in the present embodiment.
  • FIG. 13 is an equivalent circuit diagram schematically showing a region corresponding to one pixel of the liquid crystal display device 100B.
  • FIG. 14 is a plan view schematically showing regions corresponding to three pixels (red pixel R, green pixel G, and blue pixel B) constituting the color display pixel at the time of 2D display in the liquid crystal display device 100B.
  • the same reference numerals are given to components having the same functions as the components of the liquid crystal display device 100 ⁇ / b> A of Embodiment 1, and description of such components is omitted in the following description. There are things to do. Similarly, in the following embodiments, description of components having the same function may be omitted.
  • the liquid crystal display device 100B is a horizontal electric field type liquid crystal display device. That is, in the liquid crystal display device 100B, the alignment state of the liquid crystal layer is controlled by the lateral electric field.
  • the transverse electric field method is generally called an IPS (In-Plane Switching) mode, but depending on the electrode structure adopted, it can be called a FFS (Fringe Field Switching) mode or FOP (Finger On Plane) structure. There is also.
  • each pixel of the liquid crystal display device 100B includes a first sub-pixel Sp1 and a second sub-pixel Sp2 that are different in position in the column direction (X direction) and in the row direction (Y direction).
  • the position of the second sub pixel Sp2 in the row direction is shifted from the position of the first sub pixel Sp1 in the row direction by substantially the same pixel pitch Pir along the row direction. That is, the second sub pixel Sp2 is shifted by one pixel along the row direction with respect to the first sub pixel Sp1.
  • the pixel electrode 11 includes a first subpixel electrode 11a provided in the first subpixel Sp1 and a second subpixel electrode 11b provided in the second subpixel Sp2.
  • first subpixel electrode 11a and the second subpixel electrode 11b are continuous conductive films, it can be said that they are electrically connected to each other.
  • the first subpixel electrode 11a has a plurality of slits 11as.
  • the second subpixel electrode 11b has a plurality of slits 11bs.
  • the extending direction of the plurality of slits 11as of the first subpixel electrode 11a is different from the extending direction of the plurality of slits 11bs of the second subpixel electrode 11b. More specifically, if the angle between the extending direction of the slits 11as of the first subpixel electrode 11a and the row direction (horizontal direction) is ⁇ 1, the extending direction of the slits 11bs of the second subpixel electrode 11b is the row direction (horizontal direction).
  • the angle formed with the (direction) is represented as - ⁇ 1.
  • the common electrode 16 is provided on the same substrate (TFT substrate) on which the pixel electrode 11 is provided.
  • the common electrode 16 is formed below the pixel electrode 11 through an insulating layer (not shown).
  • the liquid crystal display device 100B also includes scanning lines GL (GL (m ⁇ 1), GL (m)) extending in the row direction and signal lines SL (SLR, SLG, SLB) extending in the column direction, and is provided in each pixel.
  • the TFT 12 receives a scanning signal from the scanning wiring GL and a video signal from the signal wiring SL.
  • the signal line SL is located between the first subpixel Sp1 and the second subpixel Sp2 in the row direction, and the first subpixel Sp1 and the second subpixel Sp2 sandwich the signal line SL. It is arranged on the left and right. However, as can be seen from FIGS.
  • the liquid crystal display device 100 ⁇ / b> B does not have the auxiliary capacitance line CL as provided in the liquid crystal display device 100 ⁇ / b> A of the first embodiment. This is because, in the liquid crystal display device 100B, the portion where the pixel electrode 11 and the common electrode 16 overlap can function as the auxiliary capacitor Cs.
  • the first subpixel electrode 11a and the second subpixel electrode 11b are electrically connected to each other, so that the same potential is applied. Nevertheless, when a voltage is applied to the liquid crystal layer, the alignment state of the liquid crystal layer in the first subpixel Sp1 and the alignment state of the liquid crystal layer in the second subpixel Sp2 are different from each other. Specifically, when a voltage is applied to the liquid crystal layer, the orientation in which the liquid crystal molecules in the liquid crystal layer in the first subpixel Sp1 are aligned with the orientation in which the liquid crystal molecules in the liquid crystal layer in the second subpixel Sp2 are aligned. Different.
  • the reason why the liquid crystal layer takes the above-described alignment state when a voltage is applied is that the extending direction of the slit 11as of the first subpixel electrode 11a and the extending direction of the slit 11bs of the second subpixel electrode 11b are different from each other. .
  • the display quality such as viewing angle characteristics can be improved by making the alignment state of the liquid crystal layer in the first sub-pixel Sp1 different from the alignment state of the liquid crystal layer in the second sub-pixel Sp2.
  • the horizontal electric field type liquid crystal display device 100B has been exemplified, but the above-described effect can be similarly obtained in other methods (display modes other than the IPS mode).
  • the alignment direction of the liquid crystal molecules is changed in a plane parallel to the substrate, so that the viewing angle characteristics are originally compared to the TN mode (that is, the alignment state between two sub-pixels). Is good).
  • a problem with the horizontal electric field method is that coloring occurs when the display surface is viewed from an oblique direction. As in the present embodiment, the occurrence of such coloring can be prevented by making the alignment direction of the liquid crystal molecules in the first subpixel Sp1 and the alignment direction of the liquid crystal molecules in the second subpixel Sp2 different from each other. it can.
  • FIG. 15 and 16 show a liquid crystal display device 100C according to this embodiment.
  • FIG. 15 is an equivalent circuit diagram schematically showing a region corresponding to one pixel of the liquid crystal display device 100C.
  • FIG. 16 is a plan view schematically showing regions corresponding to three pixels (red pixel R, green pixel G, and blue pixel B) constituting the color display pixel at the time of 2D display in the liquid crystal display device 100C. .
  • the liquid crystal display device 100C is different from the liquid crystal display devices 100A and 100B according to the first and second embodiments in that the first subpixel Sp1 and the second subpixel Sp2 can exhibit different luminances at least when displaying a certain halftone. Different.
  • the configuration of the liquid crystal display device 100C will be specifically described.
  • each pixel of the liquid crystal display device 100C includes a first sub-pixel Sp1 and a second sub-pixel Sp2 that are different in position in the column direction (X direction) and in the row direction (Y direction).
  • the position of the second sub pixel Sp2 in the row direction is shifted from the position of the first sub pixel Sp1 in the row direction by substantially the same pixel pitch Pir along the row direction. That is, the second sub pixel Sp2 is shifted by one pixel along the row direction with respect to the first sub pixel Sp1.
  • the liquid crystal display device 100C includes scanning lines GL (GL (m)) extending in the row direction and signal lines SL (SLR, SLB, SLG) extending in the column direction.
  • the scanning wiring GL of the liquid crystal display device 100C is provided so as to cross the vicinity of the center of each pixel. That is, the scanning line GL is located between the first sub-pixel Sp1 and the second sub-pixel Sp2 in the column direction, and the first sub-pixel Sp1 and the second sub-pixel Sp2 sandwich the scanning line GL. It is arranged up and down.
  • the signal line SL is located between the first subpixel Sp1 and the second subpixel Sp2 in the row direction, and the first subpixel Sp1 and the second subpixel Sp2 sandwich the signal line SL. It is arranged on the left and right.
  • the pixel electrode 11 includes a first subpixel electrode 11a provided in the first subpixel Sp1 and a second subpixel electrode 11b provided in the second subpixel Sp2.
  • the first sub-pixel electrode 11a and the second sub-pixel electrode 11b are not continuous conductive films but are electrically separated from each other.
  • Each pixel is provided with two TFTs 12A and 12B so as to correspond to the two subpixel electrodes (first subpixel electrode and second subpixel electrode) 11a and 11b.
  • One of the two TFTs 12A and 12B is electrically connected to the first subpixel electrode 11a, and the other is electrically connected to the second subpixel electrode 11b.
  • the gate electrodes 12g of the two TFTs 12A and 12B are electrically connected to a common scanning line GL and controlled to be turned on / off by the same scanning signal.
  • the source electrodes 12s of the two TFTs 12A and 12B are electrically connected to the common signal line SL.
  • the auxiliary capacitors Cs1 and Cs2 are provided in each of the first sub-pixel Sp1 and the second sub-pixel Sp2.
  • the auxiliary capacitor Cs1 of the first subpixel Sp1 is electrically connected in parallel to a liquid crystal capacitor Clc1 configured by the first subpixel electrode 11a, a counter electrode, and a liquid crystal layer (both not shown).
  • the auxiliary capacitor Cs2 of the second subpixel Sp2 is electrically connected in parallel to the liquid crystal capacitor Clc2 configured by the second subpixel electrode 11b, the counter electrode, and the liquid crystal layer.
  • the auxiliary capacitance electrode 13a constituting the auxiliary capacitance Cs1 of the first subpixel Sp1 is electrically connected to the drain electrode 12d of the TFT 12A corresponding to the first subpixel electrode 11a.
  • the auxiliary capacitance electrode 13b constituting the auxiliary capacitance Cs2 of the second subpixel Sp2 is electrically connected to the drain electrode 12d of the TFT 12B corresponding to the second subpixel electrode 11b.
  • the storage capacitor counter electrode 14a constituting the storage capacitor Cs1 of the first sub-pixel Sp1 is electrically connected to the first storage capacitor line CL1.
  • the storage capacitor counter electrode 14b constituting the storage capacitor Cs2 of the second sub-pixel Sp2 is electrically connected to a second storage capacitor line CL2 provided separately from the first storage capacitor line CL1.
  • the storage capacitor counter electrode 14a of the first subpixel Sp1 and the storage capacitor counter electrode 14b of the second subpixel Sp2 are electrically independent from each other, and the first storage capacitor line CL1 and the second storage capacitor, respectively. Different Cs voltages are supplied from the wiring CL2.
  • the first subpixel Sp1 uses the capacitance division to change the first voltage.
  • the effective voltages applied to the liquid crystal layer of the first subpixel Sp1 and the liquid crystal layer of the second subpixel Sp2 can be made different. For this reason, the display luminance can be made different between the first sub-pixel Sp1 and the second sub-pixel Sp2.
  • the first sub-pixel Sp1 and the second sub-pixel Sp2 may exhibit different luminances. That is, the first subpixel Sp1 and the second subpixel Sp2 have different ⁇ characteristics (VT characteristics). This improves the problem that the ⁇ characteristic when the display surface is observed from the front direction is different from the ⁇ characteristic when the display surface is observed from the oblique direction, that is, the viewing angle dependency of the ⁇ characteristic is improved.
  • VT characteristics ⁇ characteristics
  • Multi-pixel driving is disclosed in, for example, Japanese Patent Application Laid-Open No. 2009-244484.
  • the auxiliary capacitor counter electrode 14a of the first subpixel Sp1 and the auxiliary capacitor counter electrode 14b of the second subpixel Sp2 are electrically independent from each other, and different Cs voltages are supplied to them, thereby providing a multi-pixel. Drive is realized.
  • the specific configuration for realizing multi-pixel driving is not limited to the one exemplified here.
  • Japanese Patent Application Laid-Open No. 2009-244848 described above discloses a configuration in which a plurality of signal wirings (two when each pixel is divided into two) are provided for each pixel column.
  • a configuration similar to this configuration that is, a configuration in which two signal lines SL are provided so as to correspond to two sub-pixels (first sub-pixel Sp1 and second sub-pixel Sp2) may be employed.
  • a capacitive element (auxiliary capacitors Cs1 and Cs2), a contact hole Ch, and a wiring (here) are provided between and around the first subpixel Sp1 and the second subpixel Sp2. Then, by laying out light shielding components such as the scanning wiring GL), the light shielding portion can be formed in the crosstalk region. As a result, crosstalk can be further reduced.
  • FIG. 17 and 18 show a liquid crystal display device 100D according to this embodiment.
  • FIG. 17 is an equivalent circuit diagram schematically showing a region corresponding to one pixel of the liquid crystal display device 100D.
  • FIG. 18 is a plan view schematically showing regions corresponding to three pixels (red pixel R, green pixel G, and blue pixel B) constituting the color display pixel at the time of 2D display in the liquid crystal display device 100D. .
  • the liquid crystal display device 100D is different from the first sub-pixel Sp2 in that the second sub-pixel Sp2 is shifted by half a pixel along the row direction with respect to the first sub-pixel Sp1, and the signal line SL is formed in a zigzag manner. 1 is different from the liquid crystal display device 100A in FIG.
  • the configuration of the liquid crystal display device 100D will be specifically described.
  • each pixel of the liquid crystal display device 100D includes a first sub-pixel Sp1 and a second sub-pixel Sp2 that are different in position in the column direction (X direction) and in the row direction (Y direction).
  • the position of the second subpixel Sp2 in the row direction is shifted from the position of the first subpixel Sp1 in the row direction by substantially the same as half the pixel pitch Pir along the row direction. That is, the second sub-pixel Sp2 is shifted from the first sub-pixel Sp1 by a half pixel along the row direction.
  • the pixel electrode 11 includes a first subpixel electrode 11a provided in the first subpixel Sp1 and a second subpixel electrode 11b provided in the second subpixel Sp2.
  • first subpixel electrode 11a and the second subpixel electrode 11b are continuous conductive films, it can be said that they are electrically connected to each other.
  • the liquid crystal display device 100D has the scanning wiring GL (GL (m ⁇ 1), GL (m)), the signal wiring SL (SLR, SLG, SLB), and the auxiliary capacitance wiring CL (CL (m )).
  • the scanning wiring GL and the auxiliary capacitance wiring CL extend along the row direction.
  • the signal line SL has a first portion (vertical portion) SLa extending along the column direction and a second portion (horizontal portion) SLb extending along the row direction, and the vertical portion SLa and The horizontal portions SLb are alternately arranged. That is, the signal wiring SL is formed in a zigzag so as to sew between the pixels.
  • the auxiliary capacitance line CL is located between the first sub-pixel Sp1 and the second sub-pixel Sp2 in the column direction, and the first sub-pixel Sp1 and the second sub-pixel Sp2 sandwich the auxiliary capacitance line CL. It is arranged up and down.
  • the auxiliary capacitance electrode 13 is provided so as to overlap a part of the auxiliary capacitance wiring CL, and is electrically connected to the pixel electrode 11 by a connection electrode 15 extending from the drain electrode 12 d of the TFT 12.
  • a portion of the auxiliary capacitance line CL that overlaps the auxiliary capacitance electrode 13 functions as an auxiliary capacitance counter electrode.
  • the second sub-pixel Sp2 is shifted by a half pixel along the row direction with respect to the first sub-pixel Sp1.
  • the signal line SL is formed as a pixel by simply forming the signal line SL in a straight line extending along the column direction. Is partially cut (one of the first sub-pixel Sp1 and the second sub-pixel Sp2), and the aperture ratio is reduced.
  • the signal wiring SL has the vertical portions SLa and the horizontal portions SLb, and the vertical portions SLa and the horizontal portions SLb are alternately arranged (that is, Since the signal lines SL are formed in a zigzag manner, the signal lines SL can be arranged so as not to overlap the pixels. Therefore, it is possible to suppress a decrease in the aperture ratio.
  • FIG. 19 and 20 show a liquid crystal display device 100E in the present embodiment.
  • FIG. 19 is an equivalent circuit diagram schematically showing a region corresponding to one pixel of the liquid crystal display device 100E.
  • FIG. 20 is a plan view schematically showing regions corresponding to three pixels (red pixel R, green pixel G, and blue pixel B) constituting the color display pixel at the time of 2D display in the liquid crystal display device 100E. .
  • the liquid crystal display device 100E is the same as the liquid crystal display device 100B in the second embodiment in that it is a horizontal electric field method. However, in the liquid crystal display device 100E, the second sub-pixel Sp2 is shifted from the first sub-pixel Sp1 by a half pixel along the row direction, and the signal line SL is formed in a zigzag manner. Different from the liquid crystal display device 100B of the second embodiment. Hereinafter, the configuration of the liquid crystal display device 100E will be specifically described.
  • each pixel of the liquid crystal display device 100E includes a first sub-pixel Sp1 and a second sub-pixel Sp2 that are different in position in the column direction (X direction) and in the row direction (Y direction).
  • the position of the second subpixel Sp2 in the row direction is shifted from the position of the first subpixel Sp1 in the row direction by substantially the same as half the pixel pitch Pir along the row direction. That is, the second sub-pixel Sp2 is shifted from the first sub-pixel Sp1 by a half pixel along the row direction.
  • the pixel electrode 11 includes a first subpixel electrode 11a provided in the first subpixel Sp1 and a second subpixel electrode 11b provided in the second subpixel Sp2.
  • first sub-pixel electrode 11a and the second sub-pixel electrode 11b are electrically connected to each other because they are continuous conductive films.
  • the first subpixel electrode 11a has a plurality of slits 11as.
  • the second subpixel electrode 11b has a plurality of slits 11bs.
  • the extending direction of the plurality of slits 11as of the first subpixel electrode 11a is different from the extending direction of the plurality of slits 11bs of the second subpixel electrode 11b.
  • the common electrode 16 is provided on the same substrate (TFT substrate) on which the pixel electrode 11 is provided.
  • the common electrode 16 is formed below the pixel electrode 11 through an insulating layer (not shown).
  • a lateral electric field is formed. This lateral electric field controls the alignment state of the liquid crystal layer.
  • the liquid crystal display device 100E has scanning wirings GL (GL (m ⁇ 1), GL (m)) and signal wirings SL (SLR, SLG, SLB) similarly to the liquid crystal display device 100B.
  • the scanning wiring GL extends along the row direction.
  • the signal line SL has a first portion (vertical portion) SLa extending along the column direction and a second portion (horizontal portion) SLb extending along the row direction, and the vertical portion SLa and The horizontal portions SLb are alternately arranged. That is, the signal wiring SL is formed in a zigzag so as to sew between the pixels.
  • the alignment state of the liquid crystal layer in the first subpixel Sp1 and the alignment state of the liquid crystal layer in the second subpixel Sp2 are different from each other. Specifically, when a voltage is applied to the liquid crystal layer, the orientation in which the liquid crystal molecules in the liquid crystal layer in the first subpixel Sp1 are aligned with the orientation in which the liquid crystal molecules in the liquid crystal layer in the second subpixel Sp2 are aligned. Different.
  • the reason why the liquid crystal layer takes the above-described alignment state when a voltage is applied is that the extending direction of the slit 11as of the first subpixel electrode 11a and the extending direction of the slit 11bs of the second subpixel electrode 11b are different from each other. .
  • the second subpixel Sp2 is shifted by a half pixel along the row direction with respect to the first subpixel Sp1.
  • the signal line SL is formed as a pixel by simply forming the signal line SL in a straight line extending along the column direction. Is partially cut (one of the first sub-pixel Sp1 and the second sub-pixel Sp2), and the aperture ratio is reduced.
  • the signal line SL has the vertical portions SLa and the horizontal portions SLb, and the vertical portions SLa and the horizontal portions SLb are alternately arranged (that is, Since the signal lines SL are formed in a zigzag manner, the signal lines SL can be arranged so as not to overlap the pixels. Therefore, it is possible to suppress a decrease in the aperture ratio.
  • FIG. 21 and 22 show a liquid crystal display device 100F in the present embodiment.
  • FIG. 21 is an equivalent circuit diagram schematically showing a region corresponding to one pixel of the liquid crystal display device 100F.
  • FIG. 22 is a plan view schematically showing regions corresponding to three pixels (red pixel R, green pixel G, and blue pixel B) constituting the color display pixel at the time of 2D display in the liquid crystal display device 100F. .
  • the liquid crystal display device 100F is the same as the liquid crystal display device 100C in the third embodiment in that multi-pixel driving is performed. However, the liquid crystal display device 100F is different from the liquid crystal display device 100C of the third embodiment in that the second subpixel Sp2 is shifted by half a pixel along the row direction with respect to the first subpixel Sp1. In the liquid crystal display device 100F, the arrangement of the auxiliary capacitors Cs1 and Cs2 is different from the arrangement of the auxiliary capacitors Cs1 and Cs2 in the liquid crystal display device 100C of the third embodiment.
  • the configuration of the liquid crystal display device 100F will be specifically described.
  • Each pixel of the liquid crystal display device 100F includes a first sub-pixel Sp1 and a second sub-pixel Sp2 that are different in position in the column direction (X direction) and in the row direction (Y direction), as shown in FIG.
  • the position of the second subpixel Sp2 in the row direction is shifted from the position of the first subpixel Sp1 in the row direction by substantially the same as half the pixel pitch Pir along the row direction. That is, the second sub-pixel Sp2 is shifted from the first sub-pixel Sp1 by a half pixel along the row direction.
  • the liquid crystal display device 100F includes a scanning line GL (GL (m)), a signal line SL (SLR, SLG, SLB), a first auxiliary capacitance line CL1, and a second auxiliary capacitance line CL2.
  • the scanning wiring GL extends along the row direction. Further, the scanning line GL is located between the first sub-pixel Sp1 and the second sub-pixel Sp2 in the column direction, and the first sub-pixel Sp1 and the second sub-pixel Sp2 sandwich the scanning line GL. It is arranged up and down.
  • the first auxiliary capacitance line CL1 and the second auxiliary capacitance line CL2 also extend along the row direction.
  • the signal wiring SL is not formed in a zigzag pattern, but extends along the column direction.
  • the pixel electrode 11 includes a first subpixel electrode 11a provided in the first subpixel Sp1 and a second subpixel electrode 11b provided in the second subpixel Sp2.
  • the first sub-pixel electrode 11a and the second sub-pixel electrode 11b are not continuous conductive films but are electrically separated from each other.
  • Each pixel is provided with a TFT 12A electrically connected to the first sub-pixel electrode 11a and a TFT 12B electrically connected to the second sub-pixel electrode 11b.
  • the gate electrodes 12g of the TFTs 12A and 12B are electrically connected to a common scanning line GL and are on / off controlled by the same scanning signal.
  • the source electrodes 12s of the TFTs 12A and 12B are electrically connected to the common signal line SL.
  • the auxiliary capacitors Cs1 and Cs2 are provided in each of the first sub-pixel Sp1 and the second sub-pixel Sp2.
  • the storage capacitor counter electrode 14a constituting the storage capacitor Cs1 of the first sub-pixel Sp1 is electrically connected to the first storage capacitor line CL1.
  • the storage capacitor counter electrode 14b constituting the storage capacitor Cs2 of the second sub-pixel Sp2 is electrically connected to the second storage capacitor line CL2. Accordingly, the storage capacitor counter electrode 14a of the first subpixel Sp1 and the storage capacitor counter electrode 14b of the second subpixel Sp2 are electrically independent from each other, and the first storage capacitor line CL1 and the second storage capacitor, respectively. Different Cs voltages are supplied from the wiring CL2.
  • the effective voltage applied to the liquid crystal layer of the first sub-pixel Sp1 and the liquid crystal layer of the second sub-pixel Sp2 can be made different by using capacitive division. Therefore, the display luminance can be made different between the first subpixel Sp1 and the second subpixel Sp2, and at least when displaying a certain halftone, the first subpixel Sp1 and the second subpixel Sp2 have different luminances. It can be presented.
  • the liquid crystal display device 100F according to the present embodiment can perform multi-pixel driving. Therefore, the viewing angle dependency of the ⁇ characteristic is improved.
  • the auxiliary capacitor Cs1 of the first sub-pixel Sp1 is adjacent to the first sub-pixel Sp1 of the pixel along the row direction.
  • the auxiliary capacitor Cs2 of the second sub-pixel Sp2 is arranged between the pixel and the center of the second sub-pixel Sp2 of the pixel.
  • the auxiliary capacitance Cs1 of the first sub-pixel Sp1 is adjacent to the first sub-pixel Sp1 of the blue pixel B along the row direction of the blue pixel B (here, the left adjacent pixel) G
  • the auxiliary capacitor Cs2 of the second subpixel Sp2 is arranged in the center of the second subpixel Sp2 of the blue pixel B.
  • the signal line SL corresponding to the pixel is located at the center of the first sub-pixel Sp1 of the pixel, and the second sub-pixel Sp2 of the pixel and the pixel
  • the pixel is disposed so as to be positioned between the pixels adjacent to the pixel in the row direction.
  • the signal line SLB corresponding to the blue pixel B is located at the center of the first subpixel Sp1 of the blue pixel B and is adjacent to the second subpixel Sp2 of the blue pixel B and the blue pixel B along the row direction. It arrange
  • the auxiliary capacitance Cs1 of the first subpixel Sp1 of the pixel is adjacent to the first subpixel Sp1 of the pixel along the row direction.
  • the signal wiring SL corresponding to the pixel (more precisely, a part of the signal wiring SL) is arranged along the row direction to the second sub-pixel Sp2 of the pixel and the pixel. Arranged between adjacent pixels. That is, regarding one Sp1 of the two sub-pixels Sp1 and Sp2 of each pixel, the auxiliary capacitor Cs1 is located between the pixels, and as for the other, the signal wiring SL is located between the pixels. .
  • the auxiliary capacitor Cs1 located between the pixels and the portion of the signal wiring SL located between the pixels overlap with a black matrix BM provided on the counter substrate (not shown).
  • the second sub-pixel Sp2 has a configuration in which the shift amount along the row direction is smaller than one pixel (for example, half a pixel as illustrated in the present embodiment).
  • the signal line SL is formed in a zigzag manner to suppress a decrease in the aperture ratio.
  • the pixel structure for performing multi-pixel driving it is not always easy to form the signal wiring SL as such. Therefore, as in the present embodiment, when an arrangement in which one of the two auxiliary capacitors Cs1 and Cs2 and a part of the signal wiring SL are located between the pixels (and thus overlaps the black matrix BM) is adopted. The decrease can be suppressed.
  • FIG. 23 shows a liquid crystal display device 100G in the present embodiment.
  • FIG. 23 is a plan view schematically showing the liquid crystal display device 100G.
  • Each pixel of the liquid crystal display device 100G also includes a first sub-pixel Sp1 and a second sub-pixel Sp2 that are different in position in the column direction (X direction) and in the row direction (Y direction), as shown in FIG.
  • FIG. 23 shows an example in which the second sub-pixel Sp2 is shifted by one pixel along the row direction with respect to the first sub-pixel Sp1, but the first sub-pixel Sp1 of the second sub-pixel Sp2 is shown.
  • the amount of shift along the row direction is not limited to this, and may be, for example, half a pixel.
  • FIG. 23 shows only the signal wiring SL (SLR, SLG, SLB) among the wiring group of the liquid crystal display device 100G.
  • FIG. 23 shows the polarity of the voltage applied to the liquid crystal layer in a certain vertical scanning period.
  • the potential of the counter electrode (not shown) is set as a reference potential, and a positive voltage is supplied to the pixel electrode (not shown), and a negative voltage is supplied. The case is shown as-.
  • FIG. 23 also shows the polarity of the display signal voltage supplied by each signal line SL during the vertical scanning period.
  • the polarity of the display signal voltage supplied by the signal line SL corresponding to a certain pixel column and the signal line SL corresponding to the pixel column adjacent to the pixel column along the row direction are supplied.
  • the polarities of the display signal voltages are different from each other.
  • each signal line SL has the same polarity within one vertical scanning period.
  • the display signal voltage continues to be supplied. That is, the polarity of the display signal voltage is not reversed every horizontal scanning period.
  • the polarity of the voltage applied to the liquid crystal layer is the sub-pixel along the row direction or along the column direction as shown in FIG. Invert in units.
  • a polarity relationship such as dot inversion driving can be created in a pseudo manner by polarity inversion for each signal wiring SL.
  • the polarity is reversed along the column direction at a period finer than the pixel pitch Pic along the column direction, so that the positive voltage application region and the negative voltage application are performed.
  • the area to be performed can be formed more finely than the conventional dot inversion driving.
  • the flicker can be reduced to the same level or more than the conventional dot inversion driving.
  • the signal line driving circuit (source driver) for driving the signal wiring SL supplies each signal wiring SL with the same polarity voltage within one vertical scanning period. Therefore, low power consumption can be realized as in the so-called column inversion drive.
  • the present invention has been described by taking a stereoscopic video display device as an example.
  • the present invention is not limited to a stereoscopic video display device, and may be used for all display devices capable of displaying images for a plurality of viewpoints. it can.
  • a right-eye image is displayed on a certain viewpoint pixel
  • a left-eye image is displayed on another certain viewpoint pixel.
  • an image for the first observer is displayed on a certain viewpoint pixel
  • the second observation is displayed on another certain viewpoint pixel.
  • a display device that performs such display is sometimes called a “dual view display device” or a “pail view display device”.
  • the present invention it is possible to reduce crosstalk and / or moire fringes in a display device including an image separation element.
  • the present invention is suitably used for a display device (for example, a stereoscopic video display device) that can display images for a plurality of viewpoints, and is used for various display devices including a liquid crystal display device.
  • Display panel 1A Liquid crystal display panel 2 Image separation element 2A Lenticular lens sheet 2a Lenticular lens 2B Ballarax barrier element 2b Translucent part 2c
  • Light-shielding part 10 Active matrix substrate (TFT substrate) 11 pixel electrode 11a sub pixel electrode (first sub pixel electrode) 11b Subpixel electrode (second subpixel electrode) 11as, 11bs Slit 12, 12A, 12B Thin film transistor (TFT) 13, 13a, 13b Auxiliary capacitance electrode 14, 14a, 14b Auxiliary capacitance counter electrode 16 Common electrode 20

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Abstract

La présente invention concerne un dispositif d'affichage (100), comprenant un écran d'affichage (1) comportant une pluralité de pixels agencés en forme de matrice contenant une pluralité de rangées et une pluralité de colonnes, et un élément de séparation d'image (2) disposé du côté observateur de l'écran d'affichage (1). La pluralité de pixels de l'écran d'affichage (1) comprend au moins un premier pixel (R1, G1, B1) servant à afficher une image pour un premier point de vue, et un second pixel (R2, G2, B2) servant à afficher une image pour un second point de vue. L'élément de séparation d'image (2) sépare la lumière d'affichage sortie du premier pixel (R1, G1, B1) et la lumière d'affichage sortie du second pixel (R2, G2, B2). Chaque pixel de la pluralité de pixels contient un premier sous-pixel (Sp1) et un second sous-pixel (Sp2) dont les positions diffèrent dans le sens des colonnes. Les positions du premier sous-pixel (Sp1) et du second sous-pixel (Sp2) diffèrent également dans le sens des rangées.
PCT/JP2012/064401 2011-06-10 2012-06-04 Dispositif d'affichage WO2012169466A1 (fr)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014191204A (ja) * 2013-03-27 2014-10-06 Toshiba Corp 画像表示装置、及び印刷方法
EP2905959A1 (fr) * 2014-09-03 2015-08-12 Koninklijke Philips N.V. Dispositif d'affichage autostéréoscopique
JP2015225339A (ja) * 2014-05-26 2015-12-14 エルジー ディスプレイ カンパニー リミテッド 立体映像表示装置
WO2015197476A1 (fr) * 2014-06-27 2015-12-30 Koninklijke Philips N.V. Système d'affichage auto-stéréoscopique
WO2016026136A1 (fr) * 2014-08-18 2016-02-25 深圳市华星光电技术有限公司 Dispositif d'affichage stéréoscopique et son procédé de fabrication
WO2023028792A1 (fr) * 2021-08-30 2023-03-09 京东方科技集团股份有限公司 Substrat d'affichage et dispositif d'affichage

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JP2005086506A (ja) * 2003-09-09 2005-03-31 Sanyo Electric Co Ltd 映像表示装置
WO2009069359A1 (fr) * 2007-11-30 2009-06-04 Sharp Kabushiki Kaisha Affichage à cristaux liquides, substrat de matrice active, panneau à cristaux liquides, unité d'affichage à cristaux liquides et récepteur de télévision
JP2009244884A (ja) * 2002-06-06 2009-10-22 Sharp Corp 液晶表示装置
WO2010058635A1 (fr) * 2008-11-19 2010-05-27 シャープ株式会社 Substrat de matrice active, panneau d'affichage à cristaux liquides, dispositif d'affichage à cristaux liquides, procédé de fabrication de substrat de matrice active, procédé de fabrication de panneau d'affichage à cristaux liquides et procédé de commande d'affichage à cristaux liquides

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Publication number Priority date Publication date Assignee Title
JP2009244884A (ja) * 2002-06-06 2009-10-22 Sharp Corp 液晶表示装置
JP2005086506A (ja) * 2003-09-09 2005-03-31 Sanyo Electric Co Ltd 映像表示装置
WO2009069359A1 (fr) * 2007-11-30 2009-06-04 Sharp Kabushiki Kaisha Affichage à cristaux liquides, substrat de matrice active, panneau à cristaux liquides, unité d'affichage à cristaux liquides et récepteur de télévision
WO2010058635A1 (fr) * 2008-11-19 2010-05-27 シャープ株式会社 Substrat de matrice active, panneau d'affichage à cristaux liquides, dispositif d'affichage à cristaux liquides, procédé de fabrication de substrat de matrice active, procédé de fabrication de panneau d'affichage à cristaux liquides et procédé de commande d'affichage à cristaux liquides

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014191204A (ja) * 2013-03-27 2014-10-06 Toshiba Corp 画像表示装置、及び印刷方法
JP2015225339A (ja) * 2014-05-26 2015-12-14 エルジー ディスプレイ カンパニー リミテッド 立体映像表示装置
WO2015197476A1 (fr) * 2014-06-27 2015-12-30 Koninklijke Philips N.V. Système d'affichage auto-stéréoscopique
WO2016026136A1 (fr) * 2014-08-18 2016-02-25 深圳市华星光电技术有限公司 Dispositif d'affichage stéréoscopique et son procédé de fabrication
EP2905959A1 (fr) * 2014-09-03 2015-08-12 Koninklijke Philips N.V. Dispositif d'affichage autostéréoscopique
WO2023028792A1 (fr) * 2021-08-30 2023-03-09 京东方科技集团股份有限公司 Substrat d'affichage et dispositif d'affichage

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