WO2020044969A1 - Moniteur d'affichage d'images stéréoscopiques et dispositif d'affichage d'images stéréoscopiques - Google Patents

Moniteur d'affichage d'images stéréoscopiques et dispositif d'affichage d'images stéréoscopiques Download PDF

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Publication number
WO2020044969A1
WO2020044969A1 PCT/JP2019/030682 JP2019030682W WO2020044969A1 WO 2020044969 A1 WO2020044969 A1 WO 2020044969A1 JP 2019030682 W JP2019030682 W JP 2019030682W WO 2020044969 A1 WO2020044969 A1 WO 2020044969A1
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WO
WIPO (PCT)
Prior art keywords
eye
sub
polarizing film
image display
stereoscopic image
Prior art date
Application number
PCT/JP2019/030682
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English (en)
Japanese (ja)
Inventor
浩 竹下
Original Assignee
株式会社Ｊｖｃケンウッド
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2019038728A external-priority patent/JP7156092B2/ja
Application filed by 株式会社Ｊｖｃケンウッド filed Critical 株式会社Ｊｖｃケンウッド
Publication of WO2020044969A1 publication Critical patent/WO2020044969A1/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
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B35/00—Stereoscopic photography
    • G03B35/18—Stereoscopic photography by simultaneous viewing
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/36—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of a graphic pattern, e.g. using an all-points-addressable [APA] memory
    • 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
    • H04N13/332—Displays for viewing with the aid of special glasses or head-mounted displays [HMD]
    • H04N13/337—Displays for viewing with the aid of special glasses or head-mounted displays [HMD] using polarisation multiplexing

Definitions

  • the present disclosure relates to a stereoscopic image display monitor and a stereoscopic image display device that display a monochrome stereoscopic image.
  • Patent Literature 1 describes that the horizontal resolution is tripled by independently driving RGB sub-pixels on a display panel to display a monochrome image.
  • a medical monitor to be a stereoscopic image display monitor (3D image display monitor) for displaying a three-dimensional (3D) image, and to display an object to be photographed in 3D to diagnose a patient.
  • 3D image display monitor for displaying a three-dimensional (3D) image
  • Patent Document 2 it is conceivable to alternately arrange left-eye image generation areas and right-eye image generation areas in the vertical direction.
  • the embodiment has an object to provide a stereoscopic image display monitor and a stereoscopic image display device capable of displaying a stereoscopic image while reducing the degree of imbalance between the horizontal resolution and the vertical resolution.
  • a plurality of sub-pixels are arranged in a matrix in a first direction and a second direction orthogonal to the first direction, and each sub-pixel is arranged in the first direction.
  • a display panel having a first length and a second length longer than the first length in the second direction, and sub-pixels arranged in the first direction, When the sub-pixels arranged in the direction are arranged in columns, they are superimposed on the surface of the display panel, are alternately arranged in the first direction in units of columns, and the left-eye image signal displayed on the display panel is visually recognized by the left eye.
  • a right-eye polarizing film for visually recognizing a right-eye image signal displayed on the display panel with the right eye.
  • the above-described stereoscopic image display monitor the left-eye image signal is displayed on a sub-pixel on which the left-eye polarizing film is disposed, and the right-eye image signal is displayed on the right-eye image signal.
  • a driving circuit for driving the stereoscopic image display monitor so as to display the image on the sub-pixel on which the polarizing film is arranged.
  • the stereoscopic image display monitor includes: a stereoscopic image display monitor; and a driving circuit that drives the stereoscopic image display monitor.
  • the sub-pixels are arranged in a matrix in a second direction orthogonal to the first direction, and each sub-pixel has a first length in the first direction and a length longer than the first length in the second direction.
  • a display panel having a length of 2 and sub-pixels arranged in the first direction in rows and sub-pixels arranged in the second direction as columns
  • a left-eye polarizing film for visually recognizing a left-eye image signal displayed on the display panel with the left eye, and a right-eye image signal displayed on the display panel, which are alternately arranged in the first direction.
  • the driving circuit displays the left-eye image signal on the sub-pixel on which the left-eye polarizing film is disposed, and displays the right-eye image signal on the right-eye polarization.
  • a stereoscopic image display that drives the stereoscopic image display monitor to display on a subpixel on which a film is disposed, and drives the stereoscopic image display monitor to display black on a subpixel on which the mask pattern is disposed.
  • a stereoscopic image can be displayed while reducing the degree of imbalance between the horizontal resolution and the vertical resolution.
  • FIG. 1 is a block diagram illustrating the stereoscopic image display device according to the first embodiment.
  • FIG. 2 is a perspective view illustrating a schematic configuration of the stereoscopic image display monitor of each embodiment.
  • FIG. 3 is a partial plan view illustrating a configuration of a display panel included in the stereoscopic image display monitor of each embodiment.
  • FIG. 4 is a partial plan view showing the configuration of the color display panel.
  • FIG. 5 is a plan view showing the stereoscopic image display monitor of the first embodiment.
  • FIG. 6 is a plan view showing a stereoscopic image display monitor according to the second embodiment.
  • FIG. 7 is a plan view showing a stereoscopic image display monitor according to the third embodiment.
  • FIG. 1 is a block diagram illustrating the stereoscopic image display device according to the first embodiment.
  • FIG. 2 is a perspective view illustrating a schematic configuration of the stereoscopic image display monitor of each embodiment.
  • FIG. 3 is a partial plan view illustrating a
  • FIG. 8 is a block diagram illustrating a stereoscopic image display device according to the second embodiment.
  • FIG. 9 is a perspective view illustrating a state in which the three-dimensional image display device of the second embodiment displays black on the sub-pixels of each column on which the mask patterns of the three-dimensional image display monitor of the third embodiment are arranged.
  • a medical monitor and a medical image display device that displays a medical image will be described as examples of a stereoscopic image display monitor and a stereoscopic image display device that display a monochrome stereoscopic (3D) image.
  • the stereoscopic image display monitor and the stereoscopic image display device of each embodiment are not limited to the medical monitor and the medical image display device.
  • a 3D medical image signal is stored in a server 1, and a workstation 2 reads a medical image signal from the server 1.
  • the 3D medical image signal includes a left-eye image signal SvL and a right-eye image signal SvR.
  • the left-eye image signal SvL and the right-eye image signal SvR are parallax image signals (stereoscopic image signals) having parallax with respect to the same imaging target.
  • the medical image signal is an arbitrary medical image signal such as an image signal of an X-ray photograph and an image signal of mammography.
  • the drive circuit 3 drives the 3D monitor 4 to display the left-eye image signal SvL and the right-eye image signal SvR read by the workstation 2 on a stereoscopic image display monitor (hereinafter, 3D monitor) 4.
  • the doctor wears 3D viewing glasses 5 and diagnoses the patient by looking at the medical image displayed on the 3D monitor 4.
  • the server 1 may be a PACS (Picture Archiving and Communication System) server, and the medical image may be an image conforming to the DICOM (Digital Imaging and Communications in Medicine) standard.
  • the medical image signal may be displayed on the 3D monitor 4 by software called a DICOM viewer.
  • the stereoscopic image display device only needs to include at least the drive circuit 3 and the 3D monitor 4.
  • the 3D monitor 4 has the configuration shown in FIGS. 2 and 3, and may be any one of the stereoscopic image display monitors of the first to third embodiments described later.
  • the 3D monitor 4 includes a display panel 41 and a polarizing film 42 disposed on the surface of the display panel 41. Specifically, the polarizing film 42 is attached to the surface of the display panel 41.
  • the surface of the display panel 41 is a surface on the side where the user who looks at the 3D monitor 4 such as a doctor is located.
  • FIG. 2 shows a state in which the display panel 41 and the polarizing film 42 are separated from each other for easy understanding.
  • the display panel 41 is a liquid crystal panel.
  • the display panel 41 may be a display panel other than a liquid crystal panel such as an organic EL panel or a plasma display panel.
  • the 3D monitor 4 includes a backlight that projects light from the back of the display panel 41. Illustration of the backlight is omitted.
  • FIG. 3 shows a detailed configuration of the display panel 41.
  • a plurality of sub-pixels 411 are arranged in a matrix in a horizontal direction (first direction) and a vertical direction (second direction) orthogonal to the horizontal direction.
  • Each sub-pixel 411 has a rectangular shape, and has a width W (first length) in the horizontal direction and a height H (second length) longer than the width W in the vertical direction.
  • the sub-pixel 411 need not be a perfect rectangle.
  • the display panel 41 when the display panel 41 is a color display panel that displays a color image, the display panel 41 includes an RGB color filter.
  • the sub-pixel 411 becomes one of the R sub-pixel 411r, the G sub-pixel 411g, and the B sub-pixel 411b.
  • the sub-pixels 411r, 411g, and 411b respectively display an R signal, a G signal, and a B signal that constitute an image signal.
  • three sub-pixels 411, 411r, 411g, and 411b constitute one pixel.
  • the display panel 41 shown in FIG. 3 may be manufactured as a display panel for displaying a monochrome image, or may be modified to a display panel for displaying a monochrome image by removing a color filter of the color display panel as shown in FIG. May be done.
  • FIG. 5 shows the 3D monitor 4 of the first embodiment.
  • FIG. 5 shows the 3D monitor 4 with the polarizing film 42 attached to the surface of the display panel 41 as viewed from the polarizing film 42 side.
  • subpixels 411 arranged in the horizontal direction are rows, and subpixels 411 arranged in the vertical direction are columns. Each row of the sub-pixels 411 is each line of the display panel 41.
  • Right-eye polarizing films 42R for visually recognizing the signal SvR with the right eye are alternately arranged in the horizontal direction on a column basis.
  • the left-eye polarizing films 42L and the right-eye polarizing films 42R are alternately arranged for each row.
  • the left-eye polarizing films 42L and the right-eye polarizing films 42R may be alternately arranged in a plurality of rows such as two rows, and are not limited to being alternately arranged in each row.
  • the left-eye polarizing film 42L and the right-eye polarizing film 42R have substantially the same width as the width W of the sub-pixel 411, and extend in the longitudinal direction of the sub-pixel 411 from the upper-end sub-pixel 411 to the lower-end sub-pixel 411 in the vertical direction. , So as to cover the sub-pixels 411 in the entire column.
  • the drive circuit 3 displays the left-eye image signal SvL on the sub-pixel 411 on which the left-eye polarizing film 42L is disposed, and displays the right-eye image signal SvR on the sub-pixel on which the right-eye polarizing film 42R is disposed.
  • the 3D monitor 4 (display panel 41) is driven to display the image on the pixel 411.
  • the optical axes of the left and right lenses of the spectacles 5 are set so as to match the polarization characteristics of the left-eye polarizing film 42L and the right-eye polarizing film 42R.
  • the optical axes of the left and right lenses of the glasses 5 are mutually horizontal such that one is horizontal and the other is vertical. Are orthogonal.
  • the doctor wearing the glasses 5 visually recognizes the parallax image of the left-eye image signal SvL via the left-eye lens with the left eye, and visually recognizes the parallax image of the right-eye image signal SvR via the right-eye lens with the right eye. Then, the two are combined.
  • the doctor recognizes that the imaging target displayed on the 3D monitor 4 is three-dimensional, and can diagnose the patient by viewing the three-dimensional imaging target.
  • the horizontal resolution is reduced to 1 /, but the driving circuit 3 independently drives the display panel 41 for each sub-pixel to display a stereoscopic image signal, thereby Since the resolution is enlarged three times, the horizontal resolution becomes 1.5 times. Since the horizontal resolution is 1.5 times and the vertical resolution is 1 time, a stereoscopic image can be displayed while reducing the degree of imbalance between the horizontal resolution and the vertical resolution.
  • FIG. 6 shows a 3D monitor 4 according to the second embodiment.
  • the display panel 41 is a so-called horizontally long display panel in which the length (height) in the vertical direction is shorter than the length (width) in the horizontal direction. Medical monitors are often used in a vertically long state.
  • FIG. 6 shows a state in which the 3D monitor 4 shown in FIG.
  • the polarization characteristics of the left-eye polarizing film 42L and the right-eye polarizing film 42R are a combination of horizontal polarization and vertical polarization, and the glasses 5 are configured on the assumption that the 3D monitor 4 is used in the horizontally long state shown in FIG. Suppose you have
  • the glasses 5 need to be set to match the polarization characteristics of the 3D monitor 4 in the vertically long state shown in FIG. That is, the glasses 5 for the 3D monitor 4 in the horizontally long state shown in FIG. 5 and the glasses 5 for the 3D monitor 4 in the vertically long state shown in FIG.
  • the left eye polarizing film 42L and the right eye polarizing film 42R are rotated relative to each other in order to avoid such a problem that the eyeglasses 5 need to be exchanged according to the orientation of the 3D monitor 4.
  • the left and right lenses of the spectacles 5 may reverse the rotation direction of the circularly polarized light in correspondence with the left-eye polarizing film 42L and the right-eye polarizing film 42R.
  • the glasses 5 can be used whether the 3D monitor 4 is used in a horizontally long state or a vertically long state. No need to replace.
  • a stereoscopic image can be visually recognized with one kind of glasses 5 regardless of the usage state of the 3D monitor 4. It has the effect of being able to.
  • ⁇ 3D image display monitor of the third embodiment If the clearance between the left-eye polarizing film 42L and the right-eye polarizing film 42R is small, crosstalk may occur in which the left-eye parallax image is visually recognized by the right eye and the right-eye parallax image is visually recognized by the left eye. When crosstalk occurs, an image may appear double and normal stereoscopic viewing may not be performed.
  • the third embodiment is configured to reduce the degree of imbalance between the horizontal resolution and the vertical resolution, and also to reduce the problem of occurrence of crosstalk.
  • the left-eye polarizing film 42L and the right-eye polarizing film 42R are arranged every other row of the sub-pixel 411.
  • One row of sub-pixels 411 exists between the left-eye polarizing film 42L and the right-eye polarizing film 42R adjacent to each other.
  • the mask pattern 43 is arranged in one row of sub-pixels 411 between the one row of sub-pixels 411 on which the left-eye polarizing film 42L is arranged and the one row of sub-pixels 411 on which the right-eye polarizing film 42R is arranged. Have been.
  • the mask pattern 43 has substantially the same width as the width W of the sub-pixel 411, and extends in the longitudinal direction of the sub-pixel 411 in the entire column from the upper-end sub-pixel 411 to the lower-end sub-pixel 411 in the vertical direction. Extending to cover.
  • the mask pattern 43 is made of a black film, and is attached to the surface of the display panel 41.
  • crosstalk between the left-eye parallax image and the right-eye parallax image is reduced, and normal stereoscopic vision is easily performed. It works.
  • the left-eye polarizing film 42L and the right-eye polarizing film 42R are circularly polarized films.
  • the horizontal resolution is reduced to 1 /, but the driving circuit 3 independently drives the display panel 41 for each sub-pixel to display a stereoscopic image signal, thereby Since the resolution is enlarged three times, the horizontal resolution is 0.75 times. Since the horizontal resolution is 0.75 times and the vertical resolution is 1 time, a stereoscopic image can be displayed while reducing the degree of imbalance between the horizontal resolution and the vertical resolution.
  • ⁇ Stereoscopic image display device of second embodiment> In the stereoscopic image display device according to the second embodiment shown in FIG. 8, the same parts as those in FIG.
  • the three-dimensional image display device according to the second embodiment has a configuration suitable for a case where the 3D monitor 4 includes the three-dimensional image display monitor according to the third embodiment.
  • the 3D monitor 4 illustrated in FIG. 7 is configured such that the one-row sub-pixel 411 on which the left-eye polarizing film 42L is disposed and the one-row sub-pixel 411 on which the right-eye polarizing film 42R is disposed.
  • the mask pattern 43 is arranged on one row of the sub-pixels 411. Therefore, crosstalk can be reduced.
  • the sub-pixel 411 immediately below the mask pattern 43 enters the field of view, and crosstalk may occur.
  • the stereoscopic image display device has a configuration in which crosstalk can be reduced even when the 3D monitor 4 is viewed from an oblique direction.
  • the driving circuit 30 includes a mask pattern arrangement sub-pixel driving unit 31 for displaying black on the sub-pixel 411 immediately below the mask pattern 43.
  • the drive circuit 30 drives the 3D monitor 4 to display the left-eye image signal SvL on the sub-pixels 411 of each column on which the left-eye polarizing film 42L is disposed, and drives the 3D monitor 4 on each column on which the right-eye polarizing film 42R is disposed.
  • the 3D monitor 4 is driven so that the sub-pixel 411 displays the right-eye image signal SvR.
  • the mask pattern arrangement sub-pixel driving unit 31 supplies a mask signal Smask for displaying a fixed black to the 3D monitor 4 to the sub-pixels 411 of each column on which the mask pattern 43 is arranged. I do.
  • the sub-pixels 411 in each column immediately below the mask pattern 43 are displayed in black. Even when the user looks at the 3D monitor 4 from an oblique direction, black is visually recognized, so that the occurrence of crosstalk is reduced.
  • a three-dimensional image can be displayed while reducing the degree of imbalance between the horizontal resolution and the vertical resolution, and the occurrence of crosstalk can be further reduced.
  • the present invention is not limited to the three-dimensional image display monitor and the three-dimensional image display device of each embodiment described above, and can be variously changed without departing from the gist of the present invention.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)

Abstract

L'invention concerne un panneau d'affichage (41), dans lequel une pluralité de sous-pixels (411) sont agencés en une matrice dans une première direction et une deuxième direction orthogonale à la première direction. Chacun des sous-pixels (411) a une première longueur dans la première direction, et une deuxième longueur supérieure à la première longueur dans la deuxième direction. Des sous-pixels agencés dans la première direction sont définis comme des lignes, et des sous-pixels agencés dans la deuxième direction sont définis comme des colonnes. Des pellicules de polarisation d'œil gauche (42L) et des pellicules de polarisation d'œil droit (42R) sont disposées, sur la surface du panneau d'affichage (41), alternativement dans la première direction sur une base colonne par colonne.
PCT/JP2019/030682 2018-08-28 2019-08-05 Moniteur d'affichage d'images stéréoscopiques et dispositif d'affichage d'images stéréoscopiques WO2020044969A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2018-159366 2018-08-28
JP2018159366 2018-08-28
JP2019038728A JP7156092B2 (ja) 2018-08-28 2019-03-04 立体画像表示モニタ及び立体画像表示装置
JP2019-038728 2019-03-04

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001075049A (ja) * 1999-07-07 2001-03-23 Sharp Corp 立体ディスプレイ
JP2004153489A (ja) * 2002-10-30 2004-05-27 Sharp Corp ２ｄ（２次元）及び３ｄ（３次元）表示機能を備える電子機器
JP2013073238A (ja) * 2011-09-28 2013-04-22 Samsung Electronics Co Ltd 立体映像表示装置及び方法
JP2013125268A (ja) * 2011-12-15 2013-06-24 Lg Display Co Ltd 偏光メガネ方式の立体映像表示装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001075049A (ja) * 1999-07-07 2001-03-23 Sharp Corp 立体ディスプレイ
JP2004153489A (ja) * 2002-10-30 2004-05-27 Sharp Corp ２ｄ（２次元）及び３ｄ（３次元）表示機能を備える電子機器
JP2013073238A (ja) * 2011-09-28 2013-04-22 Samsung Electronics Co Ltd 立体映像表示装置及び方法
JP2013125268A (ja) * 2011-12-15 2013-06-24 Lg Display Co Ltd 偏光メガネ方式の立体映像表示装置

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