WO2007043153A9 - Dispositif d’imagerie à cristaux liquides - Google Patents

Dispositif d’imagerie à cristaux liquides

Info

Publication number
WO2007043153A9
WO2007043153A9 PCT/JP2005/018561 JP2005018561W WO2007043153A9 WO 2007043153 A9 WO2007043153 A9 WO 2007043153A9 JP 2005018561 W JP2005018561 W JP 2005018561W WO 2007043153 A9 WO2007043153 A9 WO 2007043153A9
Authority
WO
WIPO (PCT)
Prior art keywords
liquid crystal
polarizing plate
eye
image display
display device
Prior art date
Application number
PCT/JP2005/018561
Other languages
English (en)
Japanese (ja)
Other versions
WO2007043153A1 (fr
Inventor
Shinya Fukuta
Toshiaki Yoshihara
Shinji Tadaki
Hironori Shiroto
Tetsuya Makino
Original Assignee
Fujitsu Ltd
Shinya Fukuta
Toshiaki Yoshihara
Shinji Tadaki
Hironori Shiroto
Tetsuya Makino
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
Application filed by Fujitsu Ltd, Shinya Fukuta, Toshiaki Yoshihara, Shinji Tadaki, Hironori Shiroto, Tetsuya Makino filed Critical Fujitsu Ltd
Priority to PCT/JP2005/018561 priority Critical patent/WO2007043153A1/fr
Priority to JP2007539774A priority patent/JPWO2007043153A1/ja
Publication of WO2007043153A1 publication Critical patent/WO2007043153A1/fr
Publication of WO2007043153A9 publication Critical patent/WO2007043153A9/fr

Links

Classifications

    • 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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
    • G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
    • G02B30/22—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the stereoscopic type
    • G02B30/25—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the stereoscopic type using polarisation techniques
    • 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
    • H04N13/361—Reproducing mixed stereoscopic images; Reproducing mixed monoscopic and stereoscopic images, e.g. a stereoscopic image overlay window on a monoscopic image background
    • 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
    • H04N13/398—Synchronisation thereof; Control thereof

Definitions

  • the present invention relates to a liquid crystal image display device, and in particular, a liquid that presents a right-eye image and a left-eye image to an observer and displays a stereoscopic image by visually recognizing different images with the left and right eyes of the observer.
  • a crystal image display device and a single device in addition to normal image display, a secret image display that displays a secret image that only a specific observer can see, and a stereoscopic image that displays a three-dimensional stereoscopic image.
  • the present invention relates to a liquid crystal image display device capable of realizing image display.
  • the stereoscopic image display principle is that the left and right eyes of the observer are isolated from each other and the right and left eye images having parallax are presented to the observer's left and right eyes, respectively. 3D images are visually recognized.
  • the observer wears observation glasses (polarized glasses) with polarizing plates having different polarization directions on the left and right.
  • observation glasses polarized glasses
  • a technique is known, and a stereoscopic image is visually recognized by entering only an image having a polarization direction corresponding to the left and right glasses (see, for example, Patent Documents 1 and 2).
  • Patent Document 1 JP-A-2-122790
  • Patent Document 2 JP-A-4-353818
  • the stereoscopic image display device described in Patent Document 1 uses a single liquid crystal panel to alternately display right-eye images and left-eye images, and displays stereoscopic images via polarized glasses. This is a configuration for visual recognition. Therefore, since the right-eye image and the left-eye image are alternately output for each frame, there is a problem that a flicker force is easily generated and a burden is placed on the eyes.
  • the stereoscopic image display device described in Patent Document 2 is provided with two liquid crystal panels for displaying images having a difference between the left and right eyes, respectively.
  • the transmitted light is synthesized by a noise mirror or polarization beam splitter, and the synthesized light is synthesized.
  • the stereoscopic image is visually recognized through the polarizing glasses.
  • an optical member such as a half mirror is necessary and the entire apparatus becomes large!
  • a liquid crystal image display device having a secret image display function that allows only a specific observer to see an image has been proposed (for example, Japanese Patent No. 3293167).
  • the concealed image is made visible only to the observer wearing the polarizing plate by observing the polarizing component in the vertical direction and the polarizing component in the horizontal direction through the polarizing plate.
  • a liquid crystal image display device capable of performing both such a secret image display function and the above-described stereoscopic image display function has been proposed.
  • the present invention has been made in view of such circumstances, and provides a liquid crystal image display device that allows a viewer to visually recognize a stereoscopic image with a small configuration that does not generate flickering force. For the purpose.
  • Another object of the present invention is to provide a liquid crystal image display device capable of realizing a secret image display and a stereoscopic image display with a single device in addition to the normal image display.
  • the liquid crystal image display device is a liquid crystal image display device that displays a right-eye image and a left-eye image to display a stereoscopic image.
  • the first polarizing plate, the first liquid crystal panel, A display device body in which two polarizing plates and a second liquid crystal panel are laminated in this order, and a right-eye polarizing plate and a left-eye polarizing plate disposed to face the second liquid crystal panel of the display device body A board, means for controlling the transmitted light intensity in the first liquid crystal panel based on the magnitudes of the right-eye image signal and the left-eye image signal, and the right-eye image signal and the left-eye image signal. And a means for controlling the twist angle of the transmitted light in the second liquid crystal panel based on the size.
  • the voltage applied to the liquid crystal of the first liquid crystal panel is adjusted in units of each pixel based on the magnitudes of the right eye image signal and the left eye image signal.
  • the light transmission intensity at each pixel is controlled, and the voltage applied to the liquid crystal of the second liquid crystal panel is adjusted for each pixel based on the size of the image signal for the right eye and the image signal for the left eye!
  • To control the rotation angle of the liquid crystal at each pixel, and the light emitted from the second liquid crystal panel Observation is performed via a polarizing plate for the right eye and a polarizing plate for the left eye that have different directions. Therefore, patent literature
  • the display device body has a first 1Z4 wavelength plate laminated on the second liquid crystal panel, and the first 1Z4 wavelength plate includes A second 1Z4 wavelength plate is superimposed on the right-eye polarizing plate and the left-eye polarizing plate so as to face each other.
  • the light emitted from the second liquid crystal panel is converted into circularly polarized light by the first 1Z4 wavelength plate, and the circularly polarized light is converted into the second 1Z4 wavelength.
  • the image is observed through the right-eye polarizing plate and the left-eye polarizing plate.
  • the output light of the display device main body is circularly polarized, and the image cannot be discerned by the naked eye as well as through a simple polarizing plate. Therefore, it is possible to prevent images from being read by glasses for general use such as OA glasses and sunglasses that block the incidence of reflected light.
  • the liquid crystal image display device is characterized by comprising means for rotating at least one of the polarizing plate for the right eye and the polarizing plate for the left eye by 90 ° or more.
  • the right-eye polarizing plate and the Z or left-eye polarizing plate are rotated so that the polarization directions of both polarizing plates coincide with each other.
  • the mirror can be used as the hidden image display glasses, and in addition to the normal image display, both the hidden image display and the stereoscopic image display can be realized with one apparatus.
  • a liquid crystal image display device includes a display device body in which a first polarizing plate, a first liquid crystal panel, a second polarizing plate, and a second liquid crystal panel are laminated in this order, and the display
  • the liquid crystal image display device includes means for rotating a part of the third polarizing plate by 90 ° or more. It is characterized by.
  • the confidential image display glasses can be used as stereoscopic image display glasses, and a normal image can be obtained with one device.
  • both the secret image display and the stereoscopic image display can be realized.
  • the display device body has a first 1Z4 wavelength plate laminated on the second liquid crystal panel, and the first 1Z4 wavelength plate includes the first 1Z4 wavelength plate.
  • a second 1Z4 wavelength plate is overlapped with the third polarizing plate so as to face each other.
  • the light emitted from the second liquid crystal panel is converted into circularly polarized light by the first 1Z4 wavelength plate, and the circularly polarized light is converted into the second 1Z4 wavelength.
  • the image is observed through the third polarizing plate.
  • the light emitted from the display device main body is circularly polarized, and an image cannot be discriminated by the naked eye as well as through a simple polarizing plate. Therefore, it prevents the image from being read by glasses for general use such as OA glasses and sunglasses that block the incidence of reflected light.
  • the light transmission intensity in each pixel is controlled by the first liquid crystal panel, and the rotation angle of the liquid crystal in each pixel is controlled by the second liquid crystal panel.
  • a stereoscopic image that does not generate flickering force can be displayed.
  • a pair of glasses for stereoscopic image display and a pair of glasses for secret image display can be used with a single pair of glasses, and three types of normal image display, secret image display, and three-dimensional image display can be performed with a single device.
  • the display mode can be realized.
  • the polarizing plate Since the circularly polarized light is converted back to linearly polarized light by the second 1Z4 wavelength plate of the glasses, the polarizing plate is simply attached, and the glasses cannot be discriminated to improve the concealment function. wear.
  • FIG. 1 is a schematic diagram showing a configuration of a liquid crystal image display device according to a first embodiment.
  • FIG. 2 is a diagram showing a schematic configuration of a liquid crystal image display device in a normal image display mode.
  • FIG. 3 is a diagram showing a schematic configuration of a liquid crystal image display device in a secret image display mode.
  • FIG. 4 is a diagram showing a schematic configuration of a liquid crystal image display device in a stereoscopic image display mode.
  • FIG. 5 is a schematic diagram showing a control range in a stereoscopic image display mode.
  • FIG. 6 is a schematic diagram showing a configuration of a liquid crystal image display device according to a second embodiment.
  • FIG. 7 is a schematic diagram showing a configuration of a liquid crystal image display device according to a third embodiment.
  • FIG. 1 is a schematic diagram showing the configuration of the liquid crystal image display device according to the first embodiment.
  • the liquid crystal image display device includes a display device body 1 and observation glasses 10.
  • the display device body 1 includes, from the back side, the first polarizing plate 2, the first liquid crystal panel 3, and the second polarized light.
  • the plate 4, the second liquid crystal panel 5, and the first 1Z4 wavelength plate 6 are laminated in this order, and a knock light 7 serving as a light source is provided on the back side of the first polarizing plate 2. It has been. That is, the display device body 1 has two types of liquid crystal panels, a first liquid crystal panel 3 and a second liquid crystal panel 5, and the first liquid crystal panel 3 has the polarization directions orthogonal to each other. Disposed between the first polarizing plate 2 and the second polarizing plate 4.
  • the second liquid crystal panel 5 in which the first 1Z4 wave plate 6 is attached to the front is disposed on the back side of the second polarizing plate 4. Note that although the polarization directions of the first polarizing plate 2 and the second polarizing plate 4 are arbitrary, here, a general parallel Nicol configuration is considered.
  • Both the first liquid crystal panel 3 and the second liquid crystal panel 5 are formed inside the glass plate by sealing liquid crystal molecules in the gaps between the glass plates opposed to each other with a predetermined interval.
  • the plurality of transparent electrodes are configured to be orthogonal to each other.
  • the polarization direction of the liquid crystal molecules is arbitrary, but here the state where the polarization is rotated by 90 ° is set to the initial state.
  • the polarization direction of the second polarizing plate 4 is the same as the dextrorotatory axis or the levorotatory axis of the first 1Z4 wavelength plate 6.
  • the polarization direction of the second polarizing plate 4 coincides with the dextrorotatory axis of the first 1Z4 wave plate 6 and is parallel. To do.
  • the observation glasses 10 have a configuration in which a second 1Z4 wavelength plate 11, a right-eye polarizing plate 12, and a left-eye polarizing plate 13 are laminated from the display device body 1 side. It can be attached to the observer.
  • the polarization directions of the right-eye polarizing plate 12 and the left-eye polarizing plate 13 are orthogonal to each other, and the polarization direction of the right-eye polarizing plate 12 is equal to the polarization direction of the second polarizing plate 4 for the left eye.
  • the polarization direction of the polarizing plate 13 is equal to the polarization direction of the first polarizing plate 2.
  • a rotation mechanism 14 is connected to the right-eye polarizing plate 12 so that the right-eye polarizing plate 12 can be rotated by 90 ° or more and its polarization direction can be changed.
  • liquid crystal image display device having such a configuration
  • normal image display, secret image display, and stereoscopic image display can be realized with this single device.
  • each display mode will be described in detail.
  • FIG. 2 is a diagram showing a schematic configuration of the liquid crystal image display device in the normal image display mode.
  • the eyeglasses for observation 10 are not used, and the observer looks directly at the display device body 1.
  • 21 is an image memory for storing an image signal for a normal image input from the outside. Pixel data is sequentially output from the image memory 21 to the panel driver 22.
  • the panel driver 22 controls the voltage applied to the transparent electrode of the first liquid crystal panel 3 so that the light transmittance corresponding to the pixel data is obtained for each pixel. During normal image display, no voltage is applied to all the transparent electrodes of the second liquid crystal panel 5.
  • the pixels in the liquid crystal panel are two-dimensionally arranged, when the pixel position is represented by i rows and j columns, the gradation of the pixel is represented by p (t).
  • the gradation of each pixel is a function of time, and the panel driver 22 can perform gradation control.
  • the electric field vector T (t) of the pixel in i row and j column exiting the second polarizing plate 4 is expressed by the following equation.
  • E is the electric field intensity after passing through the second polarizing plate 4, ideally uniform over the entire screen area
  • e is the unit direction of the right-handed axis of the first 1Z4 wave plate 6 vector
  • the gradation p (t) becomes p (t) c sin ⁇ (t).
  • ⁇ (t) is considered to be proportional to the voltage V (t) applied to the liquid crystal of each pixel. Since p (t) c sin ⁇ «V (t) ⁇ , it is possible to adjust the gradation of each pixel by controlling the applied voltage for each pixel.
  • FIG. 3 is a diagram showing a schematic configuration of the liquid crystal image display device in the secret image display mode.
  • the right-eye polarizing plate 12 of the observation glasses 10 is rotated by the rotation mechanism 14, and the polarization direction of the right-eye polarizing plate 12 is changed to the polarization of the left-eye polarizing plate 13 and the first polarizing plate 2. Match the direction.
  • 31 is an image memory for storing an image signal for a secret image input from the outside. Pixel data is sequentially output from the image memory 31 to the panel driver 32.
  • the panel driver 32 controls the voltage applied to the transparent electrode of the second liquid crystal panel 5 so that the light transmittance corresponding to the pixel data is obtained for each pixel.
  • the secret image is displayed, no voltage is applied to all the transparent electrodes of the first liquid crystal panel 3.
  • the second liquid crystal panel 5 displays an image (a secret image) that is composed of a polarization component rotated 90 ° and a polarization component that does not rotate 90 °, which cannot be discriminated with the naked eye.
  • the polarized light component transmitted through the second liquid crystal panel 5 is converted into circularly polarized light having different rotation directions by the first 1Z4 wave plate 6, and an image that cannot be discerned by the naked eye or through a simple polarizing plate. It is formed.
  • the circularly polarized light is the original polarization component.
  • the polarization component can be discriminated. Therefore, the observer wearing the observation eyeglass 10 can wear the observation eyeglasses 10 and can visually recognize the secret image that cannot be seen by other people.
  • IT (t) I is the magnitude of the electric field vector T (t), and e is the left of the first quarter-wave plate 6 This is the unit direction vector of the pivot axis.
  • the light passing through the first 1Z4 wavelength plate 6 becomes dextrorotatory circularly polarized light and levorotatory circularly polarized light, and dextrorotatory circularly polarized light and levorotatory circularly polarized light at the pixel in i row and j column.
  • the intensity ratio with light is cos 2 ⁇ (t)
  • the first liquid crystal panel 3 has a force to display only the secret image without applying a voltage to the first liquid crystal panel 3.
  • a secret image may be displayed by applying a voltage for displaying an image and superimposing it on a normal image that can be viewed by anyone.
  • FIG. 4 is a diagram showing a schematic configuration of the liquid crystal image display device in the stereoscopic image display mode.
  • the right-eye polarizing plate 12 is not rotated.
  • reference numeral 41 denotes an image memory for storing a right eye image signal and a left eye image signal to which an external force is also input. From the image memory 41, the pixel data of the right-eye image (pixel level a
  • the intensity calculator 42 calculates the composite level (specifically (a 2 + b 2 ) 1/2 ) of both pixel data, and outputs the calculation result to the first panel driver 44.
  • the first panel driver 44 controls the voltage applied to the transparent electrode of the first liquid crystal panel 3 so that the transmitted light intensity (light transmittance) corresponding to the calculation result is obtained for each pixel.
  • the rotation angle calculator 43 calculates a parameter value (specifically, tan (bZa)) representing the level ratio of both pixel data, and outputs the calculation result to the second panel driver 45.
  • the second panel driver 45 controls the voltage applied to the transparent electrode of the second liquid crystal panel 5 so that the rotation angle of the liquid crystal (the twist angle of transmitted light) corresponding to the calculation result can be obtained in units of pixels. .
  • An observer wears eyeglasses 10 for observation having a second 1Z4 wavelength plate 11, a polarizing plate 12 for the right eye, and a polarizing plate 13 for the left eye, and looks toward the display device body 1. Turn. At this time, the right-eye polarizing plate 12 is not rotated, and the polarization direction of the right-eye polarizing plate 12 of the observation glasses 10 and the polarization direction of the left-eye polarizing plate 13 are orthogonal to each other.
  • circular polarization is controlled by the second liquid crystal panel 5 and the first 1Z4 wavelength plate 6. Then, the observer views the light from the display device body 1 (first 1Z4 wavelength plate 6) through the second 1Z4 wavelength plate 11, the right-eye polarizing plate 12, and the left-eye polarizing plate 13. Since the image of circular polarization control performed on the second liquid crystal panel 5 can be controlled independently on the left and right, a stereoscopic image can be displayed.
  • ⁇ (t) and ⁇ (t) a and b can be controlled independently.
  • Fig. 5 is a schematic diagram showing this control range. Since the length of one side of the square of the maximum range that can be controlled independently within a circle with a radius of 1 is 2, we understand the size of this maximum value c. it can.
  • the light from the first 1Z4 wavelength plate 6 is attached to the observation glasses 10 having the second 1Z4 wavelength plate 11, the right-eye polarizing plate 12, and the left-eye polarizing plate 13.
  • the circularly polarized light is converted back to linearly polarized light by the second 1Z4 wavelength plate 11
  • the right-handed and left-handed light from the second 1Z4 wavelength plate 11 is mixed into the right-eye polarizing plate.
  • An arbitrary set (a, b) (where a ⁇ 0, b ⁇ 0) can be expressed as follows based on the expression of the electric field vector E (t) described above.
  • ⁇ (t) arc sin ⁇ a / cos ⁇ (t) ⁇
  • FIG. 6 is a schematic diagram showing the configuration of the liquid crystal image display device according to the second embodiment.
  • the same parts as those in FIG. 1 are denoted by the same reference numerals, and detailed description thereof will be omitted.
  • the second embodiment is an example in which the configuration is simplified as compared with the first embodiment.
  • the display device main body 51 of the second embodiment includes a first polarizing plate 2 and a first liquid crystal panel from the back side. 3, the second polarizing plate 4 and the second liquid crystal panel 5 are stacked in this order, and the back side of the first polarizing plate 2 is provided with a backlight 7 as a light source,
  • the first 1Z4 wavelength plate 6 is removed from the display device body 1 of the first embodiment.
  • the observation glasses 60 of the second embodiment include the right-eye polarizing plate 12 and the left-eye polarization plate 13 whose polarization directions are orthogonal to each other, and the observation glasses 10 of the first embodiment. In this configuration, the second 1Z4 wavelength plate 11 is removed.
  • the two 1Z4 wavelength plates in the first embodiment are provided to enhance the confidentiality of the display image, and are essential for any of normal image display, confidential image display, and stereoscopic image display. It is not an optical member. Therefore, in the second embodiment, these 1Z4 wave plates are not provided, and normal image display, secret image display, and stereoscopic image display can be realized by a liquid crystal image display device having a simple configuration. The second embodiment can be reduced in size and cost as compared with the first embodiment.
  • the right-eye polarizing plate 12 is configured to be rotatable.
  • the left-eye polarizing plate 13 is configured to be rotatable. It is also possible to make both polarizing plates rotatable.
  • FIG. 7 is a schematic diagram showing the configuration of the liquid crystal image display device according to the third embodiment.
  • the same parts as those in FIGS. 1 and 6 are denoted by the same reference numerals, and detailed description thereof is omitted.
  • the configuration of the image device main body 1 of the third embodiment is the same as that of the first embodiment.
  • the observation spectacles 70 of the third embodiment have a configuration in which a second 1Z4 wavelength plate 11 and a third polarizing plate 72 are laminated from the display device body 1 side. It can be installed.
  • the polarization direction of the third polarizing plate 72 is equal to the polarization direction of the first polarizing plate 2.
  • a rotation mechanism 74 is connected to the third polarizing plate 72, and a part of the third polarizing plate 72 can be rotated by 90 ° or more to change the polarization direction.
  • the rotation mechanism 74 rotates a part of the third polarizing plate 72 by 90 ° so that the polarization direction of the partial region coincides with the polarization direction of the second polarizing plate 4. Then, a partial region of the rotated third polarizing plate 72 is used as a right-eye polarizing plate, and the remaining region of the third polarizing plate 72 is used as a left-eye polarizing plate without being rotated.
  • the rotation mechanism 74 rotates a part of the third polarizing plate 72 by 90 ° so that the polarization direction of the partial region coincides with the polarization direction of the second polarizing plate 4.
  • a partial region of the rotated third polarizing plate 72 is used as a right-eye polarizing plate
  • the remaining region of the third polarizing plate 72 is used as a left-eye polarizing plate without being rotated.
  • normal image display, secret image display, and stereoscopic image display can be realized by a single device without changing the configuration of the device.
  • first 1Z4 wavelength plate 6 and the second 1Z4 wavelength plate 11 are provided, it is not possible to view an image only by using only a polarizing plate for observation glasses, and a high degree of secrecy is achieved. Obtainable.
  • the first 1Z4 wavelength plate 6 and the second 1Z4 wavelength plate 11 are not essential optical members for realizing three types of display modes. For this reason, as a matter of course, it is possible to remove these 1Z4 wavelength plates to form a simple configuration as in the second embodiment, so as to reduce the size and cost.

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Liquid Crystal (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)

Abstract

Le corps d’affichage (1) selon l’invention comprend une première plaque de polarisation (2), un premier panneau de cristaux liquides (3), une seconde plaque de polarisation (4), un second panneau de cristaux liquides (5), et une première plaque de quart de longueur d’ondes (6), tous disposés dans cet ordre à partir de l'arrière du corps d'affichage (1). Des lunettes d’observation (10) portées par un spectateur comprennent une seconde plaque de quart de longueur d’ondes (11), une plaque de polarisation d’œil droit (12), et une plaque de polarisation d’œil gauche (13), toutes disposées séquentiellement dans cet ordre à partir du côté du corps d’affichage (1). La direction de polarisation de la plaque de polarisation de l'œil droit (12) est perpendiculaire à celle de la plaque de polarisation de l'œil gauche (13). La plaque de polarisation de l’œil droit (12) peut tourner grâce à un mécanisme de rotation (14). La constitution d’un tel dispositif unique permet de réaliser l’affichage d’une image normale, l'affichage d'une image secrète, et l'affichage d'une image stéréoscopique.
PCT/JP2005/018561 2005-10-06 2005-10-06 Dispositif d’imagerie à cristaux liquides WO2007043153A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/JP2005/018561 WO2007043153A1 (fr) 2005-10-06 2005-10-06 Dispositif d’imagerie à cristaux liquides
JP2007539774A JPWO2007043153A1 (ja) 2005-10-06 2005-10-06 液晶画像表示装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2005/018561 WO2007043153A1 (fr) 2005-10-06 2005-10-06 Dispositif d’imagerie à cristaux liquides

Publications (2)

Publication Number Publication Date
WO2007043153A1 WO2007043153A1 (fr) 2007-04-19
WO2007043153A9 true WO2007043153A9 (fr) 2007-05-31

Family

ID=37942423

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2005/018561 WO2007043153A1 (fr) 2005-10-06 2005-10-06 Dispositif d’imagerie à cristaux liquides

Country Status (2)

Country Link
JP (1) JPWO2007043153A1 (fr)
WO (1) WO2007043153A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2377623C2 (ru) * 2007-04-20 2009-12-27 Василий Александрович ЕЖОВ Способ наблюдения стереоизображений с полным разрешением для каждого ракурса и устройство для его реализации
RU2364903C1 (ru) * 2008-01-30 2009-08-20 Корпорация "САМСУНГ ЭЛЕКТРОНИКС Ко., Лтд." Система воспроизведения стереоскопического изображения
DE102009024617A1 (de) * 2009-06-08 2010-12-16 Visumotion Gmbh Verfahren zur zweidimensionalen Wahrnehmung räumlicher Darstellungen
US8619205B2 (en) 2009-11-13 2013-12-31 Sharp Kabushiki Kaisha Three-dimensional video recognition system, video display device and active shutter glasses
JP5421312B2 (ja) * 2011-03-09 2014-02-19 富士フイルム株式会社 ３ｄ表示装置及び時分割方式３ｄ表示システム
JP2015118191A (ja) * 2013-12-17 2015-06-25 富士通株式会社 情報表示システム、情報表示装置及びメガネ
CN104796686B (zh) * 2015-04-07 2017-08-01 上海交通大学 基于空域心理视觉调制的信息安全显示系统及方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6359296A (ja) * 1986-08-29 1988-03-15 Seiko Epson Corp ステレオ液晶テレビ
JPS63150918A (ja) * 1986-12-16 1988-06-23 Toshiba Corp Ｘ線露光用マスク
JPS63182991A (ja) * 1987-01-26 1988-07-28 Hitachi Ltd 立体テレビジヨン装置
JPS63213814A (ja) * 1987-03-02 1988-09-06 Nikon Corp 立体表示用液晶表示装置
JPS63274918A (ja) * 1987-05-06 1988-11-11 Jeco Co Ltd 液晶立体デイスプレイ装置
JPH04133018A (ja) * 1990-09-25 1992-05-07 Matsushita Electric Ind Co Ltd 立体映像用メガネ
JPH04156419A (ja) * 1990-10-19 1992-05-28 Natl Aerospace Lab ２画像同時表示パネル
JP3007426B2 (ja) * 1991-01-24 2000-02-07 川崎重工業株式会社 二重画像投影方法
JPH04313146A (ja) * 1991-04-05 1992-11-05 Omron Corp 自動貸し出しシステム
JPH04355716A (ja) * 1991-06-04 1992-12-09 Fujitsu Ltd 液晶表示装置と信号入力方法
JPH05173126A (ja) * 1991-12-25 1993-07-13 Sony Corp 液晶表示装置
JP3293167B2 (ja) * 1992-05-15 2002-06-17 富士通株式会社 液晶表示装置
JP3718908B2 (ja) * 1996-07-02 2005-11-24 ソニー株式会社 映像投影システム及び偏光眼鏡

Also Published As

Publication number Publication date
JPWO2007043153A1 (ja) 2009-04-16
WO2007043153A1 (fr) 2007-04-19

Similar Documents

Publication Publication Date Title
KR100742052B1 (ko) 디스플레이
US7791686B2 (en) LCD-based confidential viewing apparatus utilizing auto-inversion masking
US20100201897A1 (en) Liquid crystal shutter glasses
WO2011096322A1 (fr) Dispositif d'affichage d'image en trois dimensions et procédé d'affichage d'image en trois dimensions
WO2007043153A9 (fr) Dispositif d’imagerie à cristaux liquides
WO2007008777A3 (fr) Systeme a cristaux liquides double ecran a polarisation circulaire et verres polarisants adaptes pour une imagerie en trois dimensions
JP2012063704A (ja) 表示装置
WO2015096474A1 (fr) Appareil d'affichage et système d'affichage
JPH10239641A (ja) 偏光眼鏡および画像表示システム
WO1998025414A1 (fr) Affichage stereoscopique electronique
US8964138B2 (en) Glass apparatus for watching polarized image
KR20130078907A (ko) 보안 디스플레이 장치
KR20040008955A (ko) 삼차원 입체 영상 표시 장치
JP2003005130A (ja) 立体画像表示装置
KR20120063361A (ko) 3디 영상 시청용 편광안경 및 이를 구비한 3디 영상 구현 시스템
JP4893846B2 (ja) 表示装置
JP5418591B2 (ja) 液晶シャッターめがね
CN107884967B (zh) 加密显示系统及其显示方法
JPH08313895A (ja) 液晶表示装置
JP2006285112A (ja) ３次元表示方法および３次元表示装置
KR101545446B1 (ko) 보안 영상표시장치
KR20120013520A (ko) 3디 영상 구현 시스템
KR20140055532A (ko) 3차원 영상 표시장치의 구동방법
JPH06165221A (ja) 両眼視差方式画像表示制御装置
KR20090083840A (ko) 입체 화상 시스템

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application
WWE Wipo information: entry into national phase

Ref document number: 2007539774

Country of ref document: JP

NENP Non-entry into the national phase in:

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 05790313

Country of ref document: EP

Kind code of ref document: A1