WO2004046789A1 - 立体映像表示装置 - Google Patents
立体映像表示装置 Download PDFInfo
- Publication number
- WO2004046789A1 WO2004046789A1 PCT/JP2002/012126 JP0212126W WO2004046789A1 WO 2004046789 A1 WO2004046789 A1 WO 2004046789A1 JP 0212126 W JP0212126 W JP 0212126W WO 2004046789 A1 WO2004046789 A1 WO 2004046789A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- display panel
- display device
- light
- filter
- display
- Prior art date
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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
- H04N13/302—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays
- H04N13/32—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays using arrays of controllable light sources; using moving apertures or moving light sources
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/30—Image reproducers
- H04N13/302—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays
- H04N13/31—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays using parallax barriers
Definitions
- the present invention relates to a three-dimensional image display device, and more particularly to a three-dimensional image display device excellent in horizontal resolution and vertical resolution.
- stereoscopic image display methods include a method in which the viewer wears special glasses and goggles and other devices (glasses method), and a method in which the viewer does not wear special devices.
- the glasses system there are a so-called anadarif system in which glasses with red and blue filters attached to the left and right, and a so-called polarized glasses system in which glasses with polarizing filters that transmit orthogonal linearly polarized light are attached to the left and right.
- anadarif system in which glasses with red and blue filters attached to the left and right
- polarized glasses system in which glasses with polarizing filters that transmit orthogonal linearly polarized light are attached to the left and right.
- a viewer can observe an image with binocular disparity with both eyes, observe these images with disparity, and observe a stereoscopic image as a whole.
- these methods were cumbersome because the viewer had to wear special glasses and the like.
- Figure 6 shows an outline of the parallax barrier method.
- pixels R for the right eye and pixels L for the left eye are alternately arranged in a column on the liquid crystal display element 31.
- a barrier 33 having a slit 32 opened is disposed in front of the liquid crystal display element 31.
- the liquid crystal display element 31 When the viewer 3 4 looks through the Paria 3 3, the right eye 3 4 a of the viewer 3 4 can see each pixel R of the liquid crystal display element 3 1 through the slit 3 2 of the barrier 3 3. The left eye 34 b of the viewer 34 can see each pixel L of the liquid crystal display element 31 through the slit 32 of the barrier 33, whereby the liquid crystal display element 31 can be seen. Images can be viewed as stereoscopic images by the viewer's binocular parallax effect.
- Fig. 8 shows the outline of the lenticular method.
- the liquid crystal display element 31 has a pixel arrangement different from that of the above-described parallax barrier method, but pixels R for the right eye and pixels L for the left eye are similarly arranged alternately in a column. I have.
- a lenticular lens 35 is arranged on the front surface of the liquid crystal display element 31.
- the lenticular lens 35 is configured such that a single lens unit exactly matches two pixels, a pixel R for the right eye and a pixel L for the left eye.
- each of the liquid crystal display elements 31 passes through the lenticular lens 35 to the right eye 34 a of the viewer 34. You can see the pixel R and the viewer
- Each pixel L of the liquid crystal display element 31 can be seen through the lenticular lens 35 on the left eye 34 b of the element 34, so that the image of the liquid crystal display element 31 can be viewed by both eyes of the viewer. It can be viewed as a stereoscopic image due to the parallax effect.
- Japanese Patent Application Laid-Open No. 10-63199 describes that, as shown in FIG. 9, a right-eye polarization filter part 46 a having a polarization direction orthogonal to the left and right of the light-emitting surface of the light source 45,
- the polarizing filter unit for eyes 4 6 b is arranged, and each filter unit 4 6 a,
- Each light passing through 46 b is radiated to the liquid crystal display element 42 as parallel light by the Fresnel lens 43, and each of the polarizing filters 42 1 and 42 2 provided on both sides of the liquid crystal display element 42.
- the linear polarization filter lines facing the light source 45 side and the viewer side are directly connected.
- the liquid crystal display element 420 has a liquid crystal display element 420.
- the liquid crystal display element 420 has alternating image information for the right and left eyes for each horizontal line in accordance with the horizontal lines of the two polarizing filters. It has a configuration to display.
- the stereoscopic viewable range is limited in any case. There is a problem with reversing. Also, in both types, since the pixels of the liquid crystal display element are divided into two for the right eye and the left eye, the original resolution of the liquid crystal display element in the vertical direction is halved, and if the image accuracy is reduced, There are also problems. Further, in the invention described in Japanese Patent Application Laid-Open No. 10-63199 described above, it is necessary to accurately irradiate the liquid crystal display unit with the light transmitted through the linear polarization filter line sections orthogonal to each other for each horizontal line.
- the viewer moves up and down with respect to the filter, the light of the image does not reach the eyes of the viewer, and there is a problem that the viewer cannot stereoscopically view the image. Furthermore, there is a problem that stereoscopic viewing is not possible even when the viewpoint of the viewer is shifted to the front and rear with respect to the image. In other words, the viewer can only view stereoscopically at one point.
- the present invention has been made in view of the above situation, and a first object of the present invention is to provide a configuration capable of improving the vertical resolution more than twice without lowering the horizontal resolution. It is an object of the present invention to provide a stereoscopic video display device capable of realizing the best stereoscopic vision.
- a second object of the present invention is to provide a stereoscopic video display device capable of maintaining a video display resolution as much as possible even when a viewer leans right and left for viewing. It is. Viewing images with such an inclination is especially for small devices such as mobile phones and mobile terminals.
- the present invention can clearly display an image in such a case.
- a third object of the present invention is to improve the image quality by clearly displaying the obliquely displayed line, and in particular, to enable the characters to be clearly read.
- a fourth object of the present invention is to provide a stereoscopic image display device capable of adjusting a horizontal mounting error when a filter is attached to a display means, by adjusting a horizontal pixel position control signal of the display device. It is to provide.
- the present invention solves the above problems by the following means.
- pixels constituting the first and second images for stereoscopic viewing with both eyes are arranged so as to form a checkerboard pattern which is alternately arranged in a plane.
- the left and right images are displayed so as to form a checkered pattern in a plane, and the filters are also arranged on the plane in a checkered pattern, so that the three-dimensional images can be formed without lowering the horizontal resolution and the vertical resolution.
- Images can be displayed.
- the present invention according to claim 2 is configured such that a ⁇ wavelength plate is attached to one of the first area and the second area of the pine filter in the stereoscopic image display device. It is characterized by having been done. According to the present invention, in the region where the half-wave plate is attached, the tilt of the polarization axis is rotated by 90 °.
- the present invention according to claim 3 provides the three-dimensional structure according to claim 1 or claim 2.
- the image display device is characterized in that a light-shielding portion that blocks light is formed at a boundary between the first region and the second region of the checkerboard filter. According to the present invention, light transmitted through the first region and the second region can be surely separated by the light shielding portion, and a clear image can be obtained.
- a display position is controlled by a horizontal display control unit, and a display timing of the display control unit is controlled. Is adjusted so that each display position of the display panel matches the pine pattern of the pine filter.
- the horizontal displacement correction between the display panel and the checkered filter (the horizontal displacement is more than twice as difficult as the vertical displacement correction) is displayed by a mechanical method. Accurate and easy matching can be achieved simply by adjusting the display timing of the control means, and assembly and adjustment of the device can be facilitated.
- the three-dimensional image display according to the first, second, third, fourth, or fifth aspect includes a diffusion plate that diffuses light in a vertical direction. It is characterized by. According to the present invention, the image display light is diffused in the vertical direction by the vertical diffusion plate, so that a bright and clear stereoscopic image can be obtained even if the viewer's viewpoint moves in the vertical direction. In particular, roughness of the image due to pixel dispersion can be reduced. According to a sixth aspect of the present invention, a display panel of the stereoscopic image display device according to the first, second, third, fifth, or fifth aspect comprises a light source that emits orthogonal first and second polarized lights.
- a liquid crystal display panel through which the light is transmitted characterized in that a checkered filter is provided between the light source and the liquid crystal display panel. According to the present invention, a stereoscopic image can be displayed without wearing special glasses or the like, and the image can be visually recognized even in a dark place.
- the display panel of the stereoscopic image display device is a self-luminous display panel.
- a checkered filter on the viewer side It is characterized by the following.
- ADVANTAGE OF THE INVENTION According to this invention, a light source for illumination is not required and three-dimensional display can be performed with little power consumption.
- the stereoscopic video display device described in claim 1, claim 2, claim 3, claim 4, claim 5, claim 6, or claim 7 is used for a television, a game machine, and a personal computer. It is used for a display portion of a computer, a mobile phone, or a mobile terminal device.
- ADVANTAGE OF THE INVENTION According to this invention, in addition to being able to stereoscopically view the screen of a large-screen television, game machine, or personal computer, a small-sized device such as a mobile phone or a mobile terminal in which the viewer's line of sight easily moves with respect to the screen The screen can be stereoscopically viewed.
- FIG. 1 is a diagram showing a stereoscopic video display device according to an embodiment of the present invention.
- FIG. 2 is a perspective view illustrating the stereoscopic video display device shown in FIG.
- FIG. 3 is a diagram showing a display area of a liquid crystal panel of the stereoscopic video display device shown in FIG.
- FIG. 4 shows a structure of a lattice filter of the stereoscopic video display device shown in FIG. 1, (1) is a plan view, and (2) is a cross-sectional view corresponding to line A_A in (1).
- FIG. 5 shows another structure of the lattice filter of the stereoscopic image display device shown in FIG. 1, (1) is a plan view, and (2) is a cross-sectional view corresponding to line BB of (1). is there.
- FIG. 6 is a diagram showing a stereoscopic video display device according to another embodiment of the present invention.
- FIG. 7 is a diagram illustrating an example of a conventional stereoscopic video display device.
- FIG. 8 is a diagram illustrating an example of a conventional stereoscopic video display device.
- FIG. 9 is a diagram illustrating an example of a conventional stereoscopic video display device.
- FIG. 1 is a plan view of the stereoscopic image display device according to the present embodiment
- FIG. 2 is a perspective explanatory view of the stereoscopic image display device shown in FIG. 1
- FIG. 3 is a display explanatory diagram of the display panel
- FIG. 4 and FIG. It is a figure showing composition of a checkered filter.
- the three-dimensional image display device has basically the same structure as the three-dimensional image display device disclosed in Japanese Patent Application Laid-Open No. 10-63199. That is, as shown in FIGS. 1 and 2, the three-dimensional image display device according to the present embodiment includes a right-eye polarization filter unit 6a whose polarization direction is orthogonal to the left and right light-emitting surfaces of the planar light source 5, and a left-eye polarization filter unit 6a.
- the polarization filter section 6b is disposed.
- the light emitting element and the polarizing filter may not be used, and the light having different polarization may be irradiated from different positions.
- the light having different polarization may be irradiated from different positions.
- two light emitting elements that generate light of different polarization are provided, and different polarization is provided.
- the light may be applied to the Fresnel lens 3 from different positions.
- reference numeral 3 denotes a Fresnel lens, and each light passing through each of the filter sections 6a and 6b is applied to the liquid crystal display element 2 as parallel light by the Fresnel lens 3.
- the Fresnel lens 3 may be replaced by a convex lens.
- the display panel 20 of the liquid crystal display element 2 alternates the pixels (L, R) constituting the first and second images to be viewed stereoscopically in a plane. They are arranged so as to form a checkered pattern.
- Polarizing panels 21 and 22 are attached to both the light source side and the viewer side of the display panel.
- the liquid crystal display panel 2 has liquid crystal oriented by being twisted at a predetermined angle (for example, 90 degrees) between two transparent plates (for example, a glass plate). It constitutes a TFT type liquid crystal display panel.
- the light incident on the liquid crystal display panel is emitted with the polarization of the incident light shifted by 90 degrees when no voltage is applied to the liquid crystal.
- the liquid crystal is untwisted, and the incident light is left as it is. It is emitted with the same polarization.
- a pine-like panel 7 is attached to the light source side of the display panel 2.
- the light transmitted through the polarizing filter 6 is applied to the Fresnel lens 3, and the light path of the light radiated from the light emitting element 5 in the Fresnel lens 3 is made substantially parallel so that the light passes through the checkered filter 7,
- the display panel 2 is irradiated.
- the light emitted from the checkered filter 7 is emitted so as not to spread in the vertical direction, and is emitted to the liquid crystal display panel 2. That is, light transmitted through a specific area of the checkered filter 7 is transmitted through a specific display unit of the liquid crystal display panel 2.
- the light that has passed through the right area 6a and the light that has passed through the left area 6b of the polarizing filter 6 enter the Fresnel lens 3 at different angles, and The light is refracted at 3 and is radiated from the liquid crystal display panel 2 through different paths.
- regions for changing the phase of transmitted light are repeatedly arranged in a checkerboard pattern at fine intervals as shown in FIG. 4 (1).
- the half-wave plate may be provided on the light source side or on the display panel side.
- the area 7a for changing the phase of the light transmitted by the provided half-wave plate 72 and the phase of the light transmitted because the half-wave plate 72 is not provided are changed.
- the non-existing area 7b is regularly provided as a checkerboard pattern with fine intervals.
- the 12-wave plate functions as a phase difference plate that changes the phase of transmitted light.
- the half-wave plate 72 changes the optical axis of the light passing through the right area 6 a of the polarizing filter 6.
- the light transmitted through the right side region 6a is rotated by 90 degrees and emitted 90 degrees. That is, the polarization axis of the light transmitted through the right region 6a is rotated by 90 degrees so as to be equal to the polarization of the light transmitted through the left region 6b.
- the region 7b where the half-wave plate 72 is not provided transmits light having the same polarization as the polarizing plate 3 that has passed through the left region 6b, and the half-wave plate 72 is provided.
- the region 7a the light having passed through the right region 6a and having a polarization axis orthogonal to the polarizing plate 21 is rotated and emitted so as to be equal to the polarizing axis of the polarizing plate 21.
- the repetition of the polarization characteristics of the checkered filter 7 is performed at the same pitch as the display unit of the liquid crystal display panel 2 shown in FIG. 3 for each display unit (that is, the horizontal line and the vertical line in the horizontal direction of the display unit).
- the polarization of the light transmitted through the vertical line is different. Therefore, the polarization characteristics of the fine phase difference plate corresponding to the display units in the scanning direction and the sub-scanning direction of the liquid crystal display panel 2 are different, and the direction of the emitted light is different for each adjacent pixel.
- the repetition of the polarization characteristics of the checkered filter 7 is performed by setting the polarization characteristics of the checkered filter 7 to a plurality of display units (that is, the pitch is an integral multiple of the pitch of the display units of the liquid crystal display panel 2). (For each of a plurality of display units).
- a black frame-shaped light shield (black matrix) 7C is arranged at the boundary between different areas adjacent to the checkered filter as shown in FIGS. 5 (1) and (2). This is preferable because light mixing (crosstalk) in the horizontal direction and the vertical direction between different regions can be prevented.
- the arrangement position of the black matrix 7C is located on the surface side of the checkered filter 7 as shown in Fig. 5 (2). It may be formed. As described above, it is necessary to irradiate the display element of the liquid crystal display panel 2 with different light each time the polarization characteristic of the micro retardation plate is repeated, and thus the light is transmitted to the liquid display panel 2 through the checkered filter 7. The light must be one that suppresses vertical diffusion.
- the area 7a of the checkered filter ⁇ that changes the phase of the light transmits the light transmitted through the right area 6a of the polarizing filter 6 with the polarization equal to the polarization of the light transmitted through the left area 6b.
- the area 7 b of the checkered filter 7 in which the phase of the light does not change transmits the light that has passed through the left area 6 b of the polarizing filter 6 as it is. Then, the light emitted from the checkered filter 7 has the same polarization as the light transmitted through the left region 6b, and enters the polarizing plate 21 provided on the light source side of the liquid crystal display panel 2.
- the polarizing plate 21 functions as a second polarizing plate, and has a polarization characteristic of transmitting light having the same polarization as light transmitted through the pine filter 7. That is, the light transmitted through the left region 6 b of the polarizing filter 6 transmits through the second polarizing plate 21, and the light transmitted through the right region 6 a of the polarizing filter 6 is rotated by 90 degrees in the polarization axis. Transmits through two polarizing plates 21.
- the polarizing plate 22 functions as a first polarizing plate, and has a polarization characteristic of transmitting light having a polarization 90 degrees different from that of the polarizing plate 21. '
- Such a checkered filter 7, a polarizing plate 21 and a polarizing plate 22 are attached to a liquid crystal display panel 20, and a checkered filter 7, a polarizing plate 21, a liquid crystal display panel 20, and a polarizing plate 22 are attached. Are combined to form an image display device.
- the left and right images are displayed so as to form a checkerboard pattern in a plane, and the filters are arranged on a plane in a checkerboard pattern.
- 3D images can be displayed without reducing the resolution and vertical resolution.
- the liquid crystal display panel of the liquid crystal display element includes a display control unit that displays video information in accordance with each area of the checkered filter.
- the image information is displayed on the liquid display screen by the display position control means, so that the display can be freely performed as needed.
- the position of the horizontal position of the liquid crystal display panel filter can be easily corrected by adjusting the start timing of the horizontal signal of each horizontal line of the display control means. Assembly and adjustment can be facilitated.
- the stereoscopic image display device according to the present invention can be provided with a diffusion plate that diffuses light only in the vertical direction.
- the diffusion plate for example, a lenticular lens is used. The light from the display panel is diffused and the light from each pixel composed of a checkered pattern is scattered so that the viewer can observe it. Can be reduced.
- the use of the three-dimensional image display device according to the present invention is not particularly limited.
- the three-dimensional image display device can be used for a display unit of a television, a game machine, a personal computer, a mobile phone, or a mobile terminal device. Wear.
- a transmissive display panel is used as the display panel.
- a plasma type or organic EL type self-luminous element can be used as the display panel.
- a ⁇ pine filter ⁇ is disposed on the viewers 34a and 34b side of the self-luminous display panel 23.
- the viewers 34a and 34b are equipped with glasses 26 and the like comprising two polarizing plates 26a and 26b having orthogonal polarization axes. In this way, a three-dimensional image is observed.
- the first region 7a (R side) of the checkered filter 7 matches the polarization direction of the polarizing plate 26a (R side), and the second region 7b (L side) of the checkered filter 7 And the polarization direction of the polarizing plate 26 b (L side).
- the stereoscopic video display device is not limited to the above-described embodiment, and it is needless to say that various changes can be made without departing from the gist of the present invention.
- the stereoscopic image display device has the following effects.
- the left and right images are checkered in a plane. Since the image is displayed as if it were displayed, a stereoscopic image can be displayed without reducing the horizontal resolution and vertical resolution.
- the tilt of the polarization axis is rotated 90 °.
- the light-shielding portion that blocks light is formed at the boundary between the first region and the second region of the checkered filter, the light passes through the first region and the second region. Light is reliably separated by the light-shielding portion, and a clear image can be obtained.
- the display is controlled by the display control means in the horizontal direction of the display panel, and the display position of the display panel is adjusted by adjusting the display timing of the display position control means. It can accurately match the checkered pattern of the shape filter, corrects the mounting error of the LCD panel filter, improves the yield, and facilitates the assembly and adjustment .
- a diffusion plate for diffusing light since a diffusion plate for diffusing light is provided, light from the display panel is diffused, and light from each pixel formed in a checkered pattern is scattered. Since the image can be observed, the sense of roughness of the image due to the pixel dispersion is reduced, and the visible range of the three-dimensional view in the vertical direction is increased. According to the sixth aspect of the present invention, a stereoscopic image can be displayed without wearing special glasses or the like, and the image can be visually recognized even in a dark place.
- a three-dimensional display can be performed with little power consumption without requiring a light source for illumination.
- the screen of a large-screen television, game machine, or personal computer can be stereoscopically viewed, and the line of sight of a viewer such as a mobile phone or a mobile terminal can move with respect to the screen.
- the screen of a small device can be viewed stereoscopically.
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Stereoscopic And Panoramic Photography (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004553116A JPWO2004046789A1 (ja) | 2002-11-20 | 2002-11-20 | 立体映像表示装置 |
PCT/JP2002/012126 WO2004046789A1 (ja) | 2002-11-20 | 2002-11-20 | 立体映像表示装置 |
AU2002355017A AU2002355017A1 (en) | 2002-11-20 | 2002-11-20 | Three-dimensional image display device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2002/012126 WO2004046789A1 (ja) | 2002-11-20 | 2002-11-20 | 立体映像表示装置 |
Publications (1)
Publication Number | Publication Date |
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WO2004046789A1 true WO2004046789A1 (ja) | 2004-06-03 |
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ID=32321509
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2002/012126 WO2004046789A1 (ja) | 2002-11-20 | 2002-11-20 | 立体映像表示装置 |
Country Status (3)
Country | Link |
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JP (1) | JPWO2004046789A1 (ja) |
AU (1) | AU2002355017A1 (ja) |
WO (1) | WO2004046789A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1775966A3 (en) * | 2005-10-12 | 2007-08-15 | LG Electronics Inc. | System and method for displaying three-dimensional image |
EP2375758A2 (en) | 2010-04-05 | 2011-10-12 | Sony Corporation | Signal processing device, signal processing method, display device and program product |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04263595A (ja) * | 1991-02-19 | 1992-09-18 | Oki Electric Ind Co Ltd | 3次元ディスプレイ |
JPH09113862A (ja) * | 1995-10-24 | 1997-05-02 | Mitsubishi Electric Corp | 立体映像表示装置 |
WO2001059508A1 (fr) * | 2000-02-07 | 2001-08-16 | Sony Corporation | Systeme d'afficheur sans lunettes de vue |
JP2002185983A (ja) * | 2000-12-13 | 2002-06-28 | Arisawa Mfg Co Ltd | 3d映像表示体形成用フィルム及び3d映像表示装置 |
-
2002
- 2002-11-20 AU AU2002355017A patent/AU2002355017A1/en not_active Abandoned
- 2002-11-20 WO PCT/JP2002/012126 patent/WO2004046789A1/ja active Application Filing
- 2002-11-20 JP JP2004553116A patent/JPWO2004046789A1/ja active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04263595A (ja) * | 1991-02-19 | 1992-09-18 | Oki Electric Ind Co Ltd | 3次元ディスプレイ |
JPH09113862A (ja) * | 1995-10-24 | 1997-05-02 | Mitsubishi Electric Corp | 立体映像表示装置 |
WO2001059508A1 (fr) * | 2000-02-07 | 2001-08-16 | Sony Corporation | Systeme d'afficheur sans lunettes de vue |
JP2002185983A (ja) * | 2000-12-13 | 2002-06-28 | Arisawa Mfg Co Ltd | 3d映像表示体形成用フィルム及び3d映像表示装置 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1775966A3 (en) * | 2005-10-12 | 2007-08-15 | LG Electronics Inc. | System and method for displaying three-dimensional image |
US8358465B2 (en) | 2005-10-12 | 2013-01-22 | Lg Electronics Inc. | System and method for displaying three-dimensional image |
EP2375758A2 (en) | 2010-04-05 | 2011-10-12 | Sony Corporation | Signal processing device, signal processing method, display device and program product |
Also Published As
Publication number | Publication date |
---|---|
JPWO2004046789A1 (ja) | 2006-03-16 |
AU2002355017A1 (en) | 2004-06-15 |
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