WO2005012980A1 - 立体映像表示装置 - Google Patents
立体映像表示装置 Download PDFInfo
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- WO2005012980A1 WO2005012980A1 PCT/JP2003/009671 JP0309671W WO2005012980A1 WO 2005012980 A1 WO2005012980 A1 WO 2005012980A1 JP 0309671 W JP0309671 W JP 0309671W WO 2005012980 A1 WO2005012980 A1 WO 2005012980A1
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- light
- light source
- display device
- image display
- present
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
- G02B5/201—Filters in the form of arrays
Definitions
- the present invention relates to a three-dimensional image display device, and more particularly to a three-dimensional image display device capable of preventing color bleeding without reducing resolution.
- the stereoscopic image display method can be classified into a method in which the viewer wears special equipment such as glasses and goggles (glasses method), and a method in which the viewer does not wear special equipment.
- a polarization filter section 66 a for the right eye and a polarization filter section 66 b for the left eye whose polarization directions are orthogonal to the left and right of the light emitting surface of the planar light source 65.
- the light passing through each of the filter sections 66 a and 66 b is irradiated on the liquid crystal display element 62 as parallel light by the Fresnel lens 63, and provided on both sides of the liquid crystal display element 62.
- the polarizing filters 6 2 1 and 6 2 2 are alternately arranged as linear polarizing filters composed of linear polarizing filters 6 2 1 and 6 2 2 orthogonal to each other for each horizontal line L a and L b.
- the linear polarization filter lines facing the light source 65 side and the viewer side have orthogonal polarization directions
- the liquid crystal panel 62 of the liquid crystal display element 62 has two horizontal polarization filters.
- a configuration is provided in which image information for the right and left eyes is displayed alternately for each horizontal line in line with the line.
- a liquid crystal display element 62 to which color filters 432 of three primary colors of RGB shown in FIG. 21 are attached is used (referred to as prior art 1).
- the stereoscopic viewable range is limited in each of the above-described two-lens parallax barrier method, lenticular method, and Conventional Example 1 described above, so that the position of the viewer is slightly shifted right and left.
- the stereoscopic image is flipped left and right or that only a two-dimensional image is displayed.
- the resolution of the liquid crystal display device must be increased. As a result, the image becomes darker, light leaks from pixels displaying each color, and crosstalk tends to occur, which causes blurring of the image.
- the technique described in the prior art 2 has a problem that it is difficult to separate the right light source and the left light source because the pixels of the right and left display images are displayed adjacent to each other, and three-dimensional crosstalk occurs.
- the above-described image display device can only display an image to one viewer.
- a method has been proposed in which the position of the observer is measured and the light source is mechanically moved in response to this movement. There was a problem that it was worn out, was not durable, and could not be used in practice. In addition, there is a problem that if the viewer is shifted left and right, the three-dimensional object cannot be seen.
- the present invention has been made in view of the above situation, and an object of the present invention is to provide a stereoscopic video display device capable of displaying a bright image with high resolution.
- an object of the present invention is to provide a high-precision and high-durability light source without using a mechanical structure, and to be able to move a light-emitting position of a light source in response to a viewer's position movement, and to obtain a good image.
- An object of the present invention is to provide a three-dimensional image display device capable of displaying.
- the present invention provides a light source that can be turned on and off at a high speed. By turning off the light source during a synchronization signal and a blanking period, unnecessary afterimages and interference can be removed, and power consumption is significantly reduced. It is an object of the present invention to provide a three-dimensional image display device which can be operated.
- the present invention solves the above problems by the following means.
- the present invention described in claim 1 controls a light source device including a light emitting element, an image display unit that displays a stereoscopic image including a left image and a right image with light from the light source device, and controls the light source device.
- a stereoscopic image display device comprising: a light source control unit; and a display control unit that performs display control of an image display unit, wherein the stereoscopic image display device displays images to both eyes of a viewer.
- a light source for each of the colors generated by the light source device Controlling the light to be generated in a time-division manner, wherein the display control means controls the light emitted by the light source in synchronization with the light source control means. An image corresponding to a color is displayed on the image display means.
- the light from the light source device is emitted in a different color time-divided by the light source control means, and the image display means displays an image corresponding to the color of the light emitted by the light source by the display control means.
- the time-division is set to high speed and the display time per color is set to 1 / 800th of a second (60/1 / sec for one screen)
- images displayed in different colors due to the physiological action of the naked eye will be displayed. It is displayed in three dimensions with many colors. Therefore, even if the resolution of the image display means is increased, the images displayed in each color are displayed independently, and a clear stereoscopic image can be obtained without mixing display colors.
- the light source is a light emitting element such as an LED element or an EL element.
- the LED element or the EL element since the LED element or the EL element is used as the light source, it can be turned on and blinked at a high speed, and high luminance, long life, and low power consumption can be realized.
- the screen display means is a liquid crystal display device.
- a liquid crystal display device is used as the display means, a high-density, large-area display device can be easily realized. Further, since the display of this display device may be monochrome, it is not necessary to use a color filter or the like, and a high aperture ratio can be realized.
- the light emitting element of the light source is a white LED, and each light emitting element has an R LED. , G, or B color filter.
- the light source emits light of each color of R, G, B
- the displayed image can be made full color.
- the light emitting element of the light source is a white LED or a light emitting element of each of R, G, and B colors. It is an LED.
- the type of light source can be unified, and the configuration is simplified.
- LEDs of R, G, and B colors are used, a color light source is used. R, G, and B light can be emitted from the light source without using a filter, and a high-brightness image can be displayed with a simple configuration.
- the present invention described in claim 6 is the stereoscopic image display device according to any one of claims 1 to 5, wherein the light source is a light-emitting array in which a plurality of light-emitting elements are arranged in a row.
- the array is divided into a right-eye array and a left-eye array at the center, and the right-eye array and the left-eye array each have a polarizing means.
- R, G, and B light emitting elements are arranged.
- At least one row of light emitter array is provided as a light source, so that when the array is one row, light from the light source is arranged in a substantially linear shape.
- the light from the light source is located in a substantially planar shape, it is possible to uniformly irradiate the image display means and obtain high brightness.
- the present invention described in claim 7 is the stereoscopic image display device according to claim 6, wherein the luminous element array constituting the light source is provided with R, G, and B light emitting elements in a horizontal direction or a vertical direction. It is characterized by the fact that a plurality of them are arranged consecutively.
- the present invention since the light emitting elements of the same color are continuously arranged, the configuration of the wiring and the like of the other light emitting array, which facilitates the control of the light source control means, is facilitated.
- the present invention described in claim 8 is a stereoscopic image display device according to any one of claims 1 to 7, wherein the light sources are R, G, and B, respectively. A plurality of light emitting elements are continuously formed in the vertical direction.
- the present invention since the light of the same color is arranged substantially linearly or substantially planarly, it is possible to uniformly irradiate the image display means, and it is possible to obtain a high luminance in the other light emitting array. This facilitates the configuration of the wiring and the like.
- the present invention described in claim 9 is a stereoscopic image display device according to any one of claims 1 to 8, wherein the polarizing means is provided for each light emitting element or for each of R, G, and B light emitting elements. It is provided as a set, and is characterized in that a predetermined polarization angle is given to emitted light for each light emitting element or for each set of light emitting elements.
- the polarizing means is provided for each light emitting element and each set of light emitting elements, the arrangement of the light emitting elements can be made freely, and the light emitting element can be most suitable for image display.
- the stereoscopic video display device according to any one of the seventh to ninth aspects, wherein the illuminant array vertically stacked has a regular R, G, and B color.
- the light-emitting members are arranged so that the colors of the light-emitting members vertically adjacent to each other are different from each other.
- the light emitting elements of each color of R, G, and B are arranged on average, light of each color can be evenly applied to the image display means.
- the present invention described in claim 11 is the stereoscopic image display device according to claims 1 to 3, wherein the light source device includes a light emitting element and a transmission filter of a different color on a circumference. It is characterized by having a rotation filter that is arranged periodically and generates different colors individually by rotating them.
- the power supply device can supply light of different colors by the rotation of the rotary filter. Also, since the fine processing of the filter is not required, the manufacturing becomes easy.
- the invention according to claim 12 is the stereoscopic image according to claim 11.
- the transmission filter transmits R, G, and B colors.
- the light source device can emit the three primary colors R, G, and B of light, a three-dimensional image can be displayed in full color.
- the light source device includes a light-emitting element and a dichroic mirror, and separates different colors. It is characterized in that
- white light is divided into three primary colors by a dichroic mirror, light can be divided with high efficiency, and a bright screen can be provided.
- the stereoscopic video display device is a stereoscopic or flat surface of a television, a game machine, a personal computer, a mobile phone, or a mobile terminal device. It is characterized by being used for image display devices.
- a small 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
- it can also be used as a flat image display that requires a wide viewing angle.
- FIG. 1 is a diagram showing an image display device using a stereoscopic video display device according to a first embodiment of the present invention.
- FIG. 2 is a perspective view showing a stereoscopic video display device according to the first embodiment of the present invention.
- FIG. 3 is a diagram showing a checkered filter used in the display device of the stereoscopic video display device according to the first embodiment of the present invention.
- FIG. 4 is a table of the stereoscopic video display device according to the first embodiment of the present invention. It is a figure showing a light source used for an indicator.
- FIG. 5 is a timing chart showing states of color signals and luminance signals of the stereoscopic video display device according to the first embodiment of the present invention.
- FIG. 6 is a diagram showing a light source device used for the stereoscopic image display device according to the second embodiment of the present invention.
- FIG. 7 is a diagram showing a light source device used for a stereoscopic image display device according to a third embodiment of the present invention.
- FIG. 8 is a diagram showing a light source device used for a stereoscopic image display device according to a fourth embodiment of the present invention.
- FIG. 9 is a diagram showing a light source device used for a stereoscopic image display device according to a fifth embodiment of the present invention.
- FIG. 10 is a diagram showing a light source device used for a stereoscopic image display device according to a sixth embodiment of the present invention.
- FIG. 11 is a diagram showing a light source device used for a stereoscopic image display device according to a seventh embodiment of the present invention.
- FIG. 12 is a diagram showing an LED used as a light source of the stereoscopic image display device shown in FIG. 11 and an arrangement thereof.
- FIG. 13 is a diagram showing a light source device used for a stereoscopic image display device according to an eighth embodiment of the present invention.
- FIG. 14 is a diagram showing a light source device used for the stereoscopic video display device according to the ninth embodiment of the present invention.
- FIG. 15 is a diagram showing a light source device used for the stereoscopic video display device according to the eleventh embodiment of the present invention.
- FIG. 16 is a diagram showing a filter disk used in the embodiment according to the present invention.
- FIG. 17 is a diagram showing a light source device used for the stereoscopic video display device according to the 12th embodiment of the present invention.
- FIG. 18 shows a stereoscopic video display apparatus according to a thirteenth embodiment of the present invention.
- FIG. 3 is a diagram showing a light source device used for the present invention.
- FIG. 19 is a diagram showing a light source device used for the stereoscopic video display device according to the thirteenth embodiment of the present invention.
- FIG. 20 is a diagram illustrating an example of a conventional stereoscopic image display device.
- FIG. 21 is a diagram showing an example of an arrangement diagram of pixels in the liquid crystal display device of the image display device shown in FIG.
- FIG. 22 is a diagram showing an example of another conventional stereoscopic video display device.
- FIG. 1 is a diagram showing an image display device using the stereoscopic video display device according to the first embodiment of the present invention
- FIG. 2 is a diagram showing a stereoscopic video display device according to the first embodiment of the present invention.
- FIG. 3 is a diagram showing a light source of the stereoscopic image display device according to the first embodiment of the present invention
- FIG. 4 is a diagram showing a light source of the stereoscopic image display device according to the first embodiment of the present invention.
- This timing chart indicates the status of the color signal and the luminance signal.
- an image display device having basically the same structure as the image display device shown in the above-mentioned conventional example can be adopted as the image display means.
- the light from the light source 5 is irradiated on the monochrome liquid crystal display panel 2 as parallel light by the Fresnel lens 3.
- the light source 5 is connected to light source control means 10 for controlling the light emission state of the light source 5
- the liquid crystal display panel is connected to liquid crystal panel control means 11 for displaying an image.
- 0 and 11 are connected to signal separating means for separating the stereoscopic video signal into a color signal and a luminance signal.
- the light source 5 according to the present example will be described.
- the light source 5 is an array in which six high-luminance white LEDs 51 are arranged in parallel as light-emitting elements, and the three primary colors of light are provided in front of the array.
- the color filters 52, 53, and 54 that transmit the light of R (Red), G (Green), and B (Blue) are disposed.
- a partition 55 is provided between each white LED 51 and between each color filter 52, 53, 54 to prevent light leakage of the white LED 51 and to provide a cross between each color. Talk is prevented. It should be noted that the light emission direction is indicated by an arrow in FIG.
- the array is divided into two from the center into an array 5L for the left eye and an array 5R for the right eye, and the right eye array and the left eye array are polarizing plates 6a and 6b, respectively, which are polarizing means. It has. The polarization angles of these polarizers are perpendicular.
- the light source 5 is controlled by the light source control means 10 and is sequentially turned on in the order of R, G, and B as shown in FIGS. 5 (B), (C), and (D).
- the lighting time is, for example, 1/180 second.
- the image display panel can display three-color images within 1 / 60th of a frame.
- the three-dimensional image display device includes a right-eye polarization filter unit 6 a having a polarization direction orthogonal to the light-emitting surface of the light source 5 and a left-eye polarization filter unit 6. b and are arranged.
- the / mark and the ⁇ mark on the optical filter section 6a and the left-eye polarization filter section 6b indicate that the polarization angles of the filters are orthogonal (the same applies hereinafter).
- each light from the light source 5 is applied to the liquid crystal display element 2 as parallel light by the Fresnel lens 3.
- reference numeral 4 in the figure denotes a diffusion plate made of, for example, a lenticular lens.
- the display panel 2 of the liquid crystal display element 2 alternates the pixels (L, R) constituting the first and second images viewed stereoscopically in a plane. They are arranged in a checkered pattern.
- Polarizing panels 21 and 22 are attached to both sides of the display panel on the light source side and on the viewer side, respectively.
- the liquid crystal display panel 2 has a liquid crystal that is twisted and oriented at a predetermined angle (for example, 90 degrees) between two transparent plates (for example, a glass plate). , Which make up 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 emitted with the same polarization.
- a checkered 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 pine 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 And is radiated from the liquid crystal display panel 2 through different paths.
- the checkerboard filter 7 has a region in which the phase of transmitted light is changed, which is repeatedly arranged in a checkerboard pattern at fine intervals.
- the phase 7a for changing the phase of light transmitted by the provided half-wave plate 72 and the phase of light transmitted because the one- and two-wavelength plates 72 are not provided are provided.
- the area 7 b that is not changed is regularly provided as a checkered pattern with a fine interval.
- the half-wave plate functions as a phase difference plate that changes the phase of transmitted light.
- the ⁇ wavelength plate 72 has its optical axis inclined 45 degrees with respect to the polarization axis of the light passing through the right region 6 a of the polarizing filter 6, and changes the polarization axis of the light transmitted through the right region 6 a. It is rotated 90 degrees and emitted.
- 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. That is, the area 7b where the 1-wavelength plate 72 is not provided transmits the light having the same polarization as the polarizing plate 3 passing through the left-side area 6b, and the 1Z 2-wavelength plate 7 2
- the region 7a provided with the light passes through the right region 6a.
- the light whose polarization axis is orthogonal to that of the polarizing plate 21 is rotated and emitted so as to be equal to the polarization axis of the polarizing plate 21.
- the repetition of the polarization characteristics of the checkered filter 7 is performed by setting the same pitch as the display unit shown in FIG. 3 of the liquid crystal display panel 2 for each display unit (that is, the horizontal horizontal line and the vertical vertical line of the display unit).
- the polarization of the light transmitted through) is different. Therefore, the polarization characteristics of the fine phase difference plates 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 a pitch that is an integral multiple of the pitch of the display units of the liquid crystal display panel 2, and the polarization characteristic of the checkered filter 7 is different for each of a plurality of display units (ie, , For each of a plurality of display units).
- a black frame-shaped light shield (black matrix) 7 C So that the horizontal direction between different areas This is preferable because light mixing (crosstalk) in the vertical direction can be prevented.
- the arrangement position of the black matrix 7C is the surface side area of the checkered filter 7, but the black matrix 7C is buried on the back side of the checkered filter 7 or inside the boundary. It may be formed in a state.
- the light must be one that suppresses vertical diffusion.
- the region 7a of the checkered filter 7 that changes the phase of the light transmits the light transmitted through the right region 6a of the polarizing filter 6 with the same polarization as the light transmitted through the left region 6b.
- the area 7 b of the checkered filter 7 in which the phase of light does not change transmits the light transmitted through the left area 6 b of the polarizing filter 6 as it is.
- the light emitted from the checkered filter 7 has the same polarization as the light transmitted through the left region 6 b 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 checkered filter 7. That is, the light transmitted through the left area 6 b of the polarization filter 6 transmits through the second polarizing plate 21, and the light transmitted through the right area 6 a of the polarization filter 6 has its polarization axis rotated 90 degrees. The light passes through the second polarizing plate 21. Further, 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, the polarizing plate 21 and the polarizing plate 22 are attached to the liquid crystal display panel 20, and the checkered filter 7, the polarizing plate 21, the liquid crystal display panel 20 and the polarizing plate 22 are combined.
- the display control panel control means connected to the liquid crystal display panel of the liquid crystal display element adjusts each area of the checkered filter as shown in FIG. 5 (A).
- the image is displayed in black and white according to the timing of the R, G, B irradiation of the light source.
- the stereoscopic video display device displays a full-color stereoscopic video.
- the light from the light source emits different colors that are time-divided by the light source control means
- the image display means displays the image corresponding to the color of the light emitted by the light source by the display control means.
- the time-division is set to high speed and the display time per color is set to 1 / 800th of a second (60/1 / sec for one screen)
- many images are displayed in different colors due to the physiological action of the naked eye. It is displayed three-dimensionally with the color. Therefore, even if the resolution of the image display means is increased, the images displayed in each color are displayed independently, and a clear stereoscopic image can be obtained without mixing display colors.
- FIG. 6 shows a light source 250 of the stereoscopic video display device according to the second embodiment of the present invention.
- a high-intensity white LED 251 as a light-emitting element is arranged in a parallel array of three in each color, 16 in total, and the three primary colors of light R (R Color filters 25 2, 25 3, and 25 4 that transmit light of ed), G (Green), and B (Blue) are arranged.
- R Color filters 25 2, 25 3, and 25 4 that transmit light of ed), G (Green), and B (Blue) are arranged.
- a partition wall 25 is provided between one row of white LEDs 25 corresponding to each color and between each color filter 25 2, 25 3, 25 4.
- the array is divided into two from the center into a left-eye array 250a and a right-eye array 250b, and the left-eye array 250a and the right-eye array 250 b is provided with polarizing plates 260a and 260b, respectively, which are polarizing means.
- the polarization angles of these polarizing plates are perpendicular.
- the light from the LED is shown in the direction of the arrow.
- the light source can be made substantially linear, and the image display panel can be irradiated with uniform light and the luminance can be increased.
- FIG. 7 shows a light source 350 of a three-dimensional image display device according to a third embodiment of the present invention.
- high-brightness white LEDs 251 are used as light-emitting elements, three for each color.
- a total of 16 parallel arrays are arranged in parallel, and color filters 25 2, 25 3, and 25 4 that transmit R, G, and B light are arranged in front of the white LED 25 1.
- a partition wall 250 was provided between one row of the white LEDs 25 corresponding to each color and between the color filters 25 2, 25 3, and 254.
- the array is divided into two from the center into a left-eye array 250 a and a right-eye array 250 b, and the left-eye array 250 a and the right-eye array 250 b is provided with polarizing plates 260a and 260b, respectively, which are polarizing means. The polarization angles of these polarizing plates are perpendicular.
- the light source can be made substantially linear, and the image display panel can be irradiated with uniform light and the luminance can be increased.
- FIG. 8 shows a light source 450 of the stereoscopic video display apparatus according to the fourth embodiment of the present invention.
- LEDs 041, 1, 52, and 4 that emit light of each color are arrayed as a light-emitting element by arraying high-brightness R, G, and 83 colors of £ 0451, 4522, 4553 in a line.
- a partition 4 5 5 is provided between 5 3.
- the array is divided into two from the center, an array for left eye 450a and an array for right eye 450b, and an array for left eye 450a and an array for right eye 45b are provided with polarizing plates 460a and 460b, respectively, which are polarizing means.
- the polarization angles of these polarizing plates are perpendicular.
- the light source can be made substantially straight, the need for an external filter capable of irradiating the image display panel with uniform light is eliminated, and the luminance can be increased.
- FIG. 9 shows a light source 550 of the stereoscopic video display device according to the fifth embodiment of the present invention.
- six high-brightness white LEs 551 are arranged in parallel as a light-emitting element to form an array, and the three primary colors R, G, and B are applied to the front surface of the white LED 251.
- the transparent color filters 55 2, 55 3 and 55 4 are arranged.
- the left eye array 250a from the center and the right eye The left eye array 250a and the left eye array 250b are provided with polarizing plates 560a and 560b, respectively, which are polarizing means. ing. These polarizing plates are provided for each light emitting element, and the polarizing angles of the left and right polarizing plates 560a and 560b are set to be a right angle. Partition walls 5 5 5 are provided between one row of white LEDs 5 5 corresponding to each color, and between color filters 2 5 2, 2 5 3, 2 5 4 and a place corresponding to each light emitting element of the polarizing plate. Is provided.
- the light source can be made substantially linear, and the image display panel can be irradiated with uniform light and the luminance can be increased.
- FIG. 10 shows a light source 65 of a stereoscopic video display apparatus according to the sixth embodiment of the present invention.
- the positions of the polarizing plate and the color filters in the fifth embodiment are interchanged. That is, the polarizing filters 660a and 660b are arranged on the light-emitting side of the white LED 651, and the color filters 652, 653 and 654 are further arranged. 651, Polarizing filters 660a, 660b, and Raffinoreta 6552, 653, and 654 are shaded with light.
- the light source can be made substantially linear, and the image display panel can be illuminated with uniform light, and the luminance can be increased.
- LED 751 shown in FIG. 12 (1) is used as the high-brightness LED 751 as a light emitting element.
- This LED751 is one in which LED751R, 751G and 751B of three primary colors of 1, G and B are integrally formed on a base.
- each LED 751 is arranged in parallel to form an array, and the array is divided into two from the center, an array for left eye 7500a and an array for right eye 7500b.
- the left-eye array 750a and the right-eye array 750b are provided with polarizing plates 760a and 760b, respectively, which are polarizing means. This The polarization angles of these polarizers are perpendicular.
- the light source of the three-dimensional image display device can have a simple configuration.
- the arrangement of the light sources of the three primary colors is such that red LEDs 762R, green LEDs 762G, and blue LEDs 762B are arranged in a horizontal line.
- red and ED 762 R, green ED 762 G, and blue LED 762 B are arranged in a line
- red and ED 762 6 2 R, green LED 7 6 2 G, blue ED 7 6 2 B can be arranged in a triangle
- FIG. 13 shows a light source 80 of a stereoscopic image display device according to an eighth embodiment of the present invention.
- the LEDs that emit light of the light emitting elements R, G, and B are arranged in a parallel array, a plurality of arrays are arranged in an array of horizontal rows, and a polarizing plate 81 1 a in which the polarization direction is orthogonal for each set of LEDs. , 81b are provided repeatedly.
- the light source can be made substantially linear, and the image display panel can be irradiated with uniform light and the luminance can be increased.
- FIG. 14 shows a light source 82 of a three-dimensional image display device according to a ninth embodiment of the present invention.
- two sets of LED arrays 83, 84 emitting light from the light-emitting elements R, G, B are arranged in two rows vertically, and one set of R, G, B arranged horizontally is used as a set.
- the polarizing plates 82a and 82b whose polarization directions are orthogonal to each other are repeatedly provided.
- FIG. 15 shows a light source 85 of the three-dimensional image display device according to the tenth embodiment of the present invention.
- the light-emitting elements are two sets of LEDs 86, 87 that emit R, G, and B light, arranged in two rows vertically, and the polarizers 86a, 8 whose polarization directions are orthogonal to each other in the upper and lower arrays. 6 b. According to this example, it is possible to irradiate the image display panel with uniform light and to increase the luminance.
- the light from the light source becomes white light, and a monochrome image is displayed three-dimensionally. Can be.
- FIG. 16 (a) shows the filter disk 91.
- the filter disk is obtained by dividing the circle into three parts with the radius as the boundary, and disposing R, G, and B three-color transmission filters 91 R, 91 G, and 91 B at each part. Yes, small and light.
- the filter disk 91 is driven by a driving device (not shown) such as an electric motor around the shaft 92 so that the display of the display means and the filter position (color) for the light source are linked. (For example, one filter takes 1 / 180th of a second).
- the disk is divided into three parts.
- the disk may be divided into six parts, nine parts or more, and R, G, B transmission filters may be provided.
- the filter disk divides the circle into four parts along the radius and R, G, B, transparent (or notch)
- Four types of transmission filters 93 R, 93 G, 93 B, and 93 T are provided, and a transparent filter (or notch) is provided in the optical path.
- Reference numeral 94 denotes a rotation axis of the filter disk 93.
- FIGS. 17 to 19 show examples in which the filter disks 91 and 93 shown in FIG. 16 are used.
- two filter disks 91, 91 are arranged between two light sources 5a, 5b and polarizing filters 6a, 6b. It is a thing. Between two light sources 5 a and 5 b and polarizing filters 6 a and 6 b In this example, two filter disks 91 and 91 are arranged.
- one filter disk 91 is arranged downstream of the two light sources 5a and 5b and the polarizing filters 6a and 6b.
- the filter disk 91 is divided into 6 parts and the R, G, and B filters are alternately arranged, the light from the light sources 5a and 5b can be emitted as the same color.
- one filter disk 91A is used, but as shown in Fig. 17 above, two filter disks 91 and 91 may be used. it can.
- one filter disk 91A can be arranged as shown in FIG.
- one filter disk 91 (93) is arranged between one light source 5 and two polarizing filters 6a and 6b.
- the light from the light sources 5a and 5b can be emitted as the same color.
- a transmissive filter is used as the rotating filter, a reflective filter may be used to form an image using reflected light.
- an LED was described as an example of a light source element.
- a light source, an organic EL element, and other light emitting elements that can be switched at high speed may be used.
- a spectral device using a dichroic mirror can be used.
- the color of the filter that determines the emission color of the illuminant, the color of the diode, etc. were described as three colors of R, G, and B, but C (Cyan), M (Magenta), and Y (Yellow) In addition to the three colors such as, you can select any color you want to display.
- a viewer position measuring means for measuring a viewer position using ultrasonic waves, infrared rays, or the like is provided, and a light source is moved or a light source is moved so as to display a stereoscopic image at the viewer position.
- the light-emitting positions of a plurality of light-emitting sources inside may be changed and electrically moved. In this case, the viewer may move, , An appropriate stereoscopic image can be displayed at each position.
- 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.
- the arrangement of each color of the light source is not limited to the above example, and can be appropriately changed as needed.
- the present invention solves the above problems by the following means.
- the present invention described in claim 1 controls a light source device including a light emitting element, an image display unit that displays a stereoscopic image including a left image and a right image with light from the light source device, and controls the light source device.
- a stereoscopic image display device comprising: a light source control unit; and a display control unit that performs display control of an image display unit, wherein the stereoscopic image display device displays images to both eyes of a viewer.
- a light source for each of the colors generated by the light source device Controlling the light to be generated in a time-division manner, wherein the display control means causes the image display means to display an image corresponding to the color of light emitted by the light source in synchronization with the light source control means .
- the light from the light source device is emitted in a different color time-divided by the light source control means, and the image display means displays an image corresponding to the color of the light emitted by the light source by the display control means.
- the time-division is set to high speed and the display time per color is set to 180 / sec (180 / sec per screen)
- images displayed in different colors due to the physiological action of the naked eye It is displayed in three dimensions with many colors. Therefore, even if the resolution of the image display means is increased, the images displayed in each color are displayed independently, so that a clear stereoscopic image can be obtained without the display colors being mixed.
- the light source is an LED element or an EL element as a light emitting element. It is characterized by that.
- the LED element or the EL element since the LED element or the EL element is used as the light source, it can be turned on and blinked at a high speed, and high luminance, long life, and low power consumption can be realized.
- the screen display means is a liquid crystal display device.
- a liquid crystal display device is used as the display means, a high-density, large-area display device can be easily realized.
- the display of the display device may be monochrome, it is not necessary to use a power filter or the like, and a high aperture ratio can be realized.
- a color filter of any one of R, G, and B is provided for each light emitting element. It is characterized by having.
- the light source emits light of each color of R, G, and B, the displayed image can be made full color.
- the light emitting element of the light source is a white LED or a light emitting element of each of R, G, and B colors. It is an LED.
- the types of light sources can be unified, and the configuration can be simplified.
- color light sources can be used. R, G, B light can be emitted from the light source without using a filter, and a high-brightness image can be displayed with a simple configuration.
- the present invention described in claim 6 is the stereoscopic image display device according to any one of claims 1 to 5, wherein the light source is a light-emitting array in which a plurality of light-emitting elements are arranged in a row.
- the array consists of at least one row in the vertical direction, and the array is divided into two at the center, an array for the right eye and an array for the left eye
- the right-eye array and the left-eye array each include a polarizing means, and R, G, and B light emitting elements are arranged.
- At least one row of illuminant arrays is provided as a light source. Therefore, when the array is a single row, light from the light source is arranged in a substantially linear shape. In this case, since the light from the light source is positioned in a substantially planar shape, it is possible to uniformly irradiate the image display means and to obtain high luminance.
- the present invention described in claim 7 is the stereoscopic image display device according to claim 6, wherein the light emitting element array constituting the light source includes a plurality of R, G, and B light emitting elements in a horizontal direction or a vertical direction.
- the roosters have been placed one after another.
- the control of the light source control means is easy, and the configuration of the wiring of the light-emitting body array is also easy.
- the present invention described in claim 8 is the stereoscopic image display device according to any one of claims 1 to 7, wherein the light source includes a plurality of light emitting elements each of R, G, and B in a vertical direction. It is characterized by being formed continuously in steps.
- the present invention since the light of the same color is arranged substantially linearly or substantially planarly, it is possible to uniformly irradiate the image display means, obtain a high brightness, and also obtain a luminous body.
- the configuration of the array wiring and the like becomes easy.
- the present invention described in claim 9 is a stereoscopic image display device according to any one of claims 1 to 8, wherein the polarizing means is provided for each light emitting element or for each of R, G, and B light emitting elements. It is provided as a set, and is characterized in that a predetermined polarization angle is given to emitted light for each light emitting element or for each set of light emitting elements.
- the polarizing means is provided for each light emitting element and each set of light emitting elements, the arrangement of the light emitting elements can be made freely, and the light emitting element can be most suitable for image display.
- the present invention described in Claim 10 is the subject of Claims 1 to 9
- the light-emitting array arranged vertically is arranged such that the R, G, and B colors are regularly arranged, and the color of the light-emitting body adjacent in the vertical direction is different. It is characterized by having been done.
- the light emitting elements of each color of R, G, and B are arranged on average, so that the light of each color can be evenly applied to the image display means.
- the present invention described in claim 11 is the stereoscopic image display device according to any one of claims 1 to 3, wherein the light source device includes a light emitting element and a transmission filter of a different color.
- the light source device includes a light emitting element and a transmission filter of a different color.
- a rotating filter that is periodically arranged on the circumference and that individually generates different colors by rotating them.
- the power supply device can supply light of different colors by the rotation of the rotary filter. Also, since the fine processing of the filter is not required, the manufacturing becomes easy.
- the present invention described in claim 12 is the stereoscopic image display device described in claim 11, characterized in that the transmission filter transmits each of R, G, and B colors.
- the light source device can emit the three primary colors R, G, and B of light, a three-dimensional image can be displayed in full color.
- the light source device includes a light emitting element and a dichroic mirror. It is characterized in that colors are generated individually.
- the stereoscopic video display device may be a television, a game machine, a personal computer, a mobile phone, or a mobile terminal device. Solid or plane It is used for an image display device.
- a small-sized device such as a mobile phone or a mobile terminal in which the viewer's line of sight moves relative to the screen
- it can also be used as a flat image display that requires a wide viewing angle.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
- Liquid Crystal (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2003252732A AU2003252732A1 (en) | 2003-07-30 | 2003-07-30 | 3-dimensional video display device |
PCT/JP2003/009671 WO2005012980A1 (ja) | 2003-07-30 | 2003-07-30 | 立体映像表示装置 |
JP2005507380A JP4348336B2 (ja) | 2003-07-30 | 2003-07-30 | 立体映像表示装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2003/009671 WO2005012980A1 (ja) | 2003-07-30 | 2003-07-30 | 立体映像表示装置 |
Publications (1)
Publication Number | Publication Date |
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WO2005012980A1 true WO2005012980A1 (ja) | 2005-02-10 |
Family
ID=34113460
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2003/009671 WO2005012980A1 (ja) | 2003-07-30 | 2003-07-30 | 立体映像表示装置 |
Country Status (3)
Country | Link |
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JP (1) | JP4348336B2 (ja) |
AU (1) | AU2003252732A1 (ja) |
WO (1) | WO2005012980A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20100129413A (ko) * | 2009-06-01 | 2010-12-09 | 삼성전자주식회사 | 3차원 영상 표시 방법 및 이를 수행하기 위한 표시 장치 |
JP2012203111A (ja) * | 2011-03-24 | 2012-10-22 | Arisawa Mfg Co Ltd | 立体画像表示装置 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08262370A (ja) * | 1995-03-28 | 1996-10-11 | Sony Corp | 液晶表示装置 |
JPH11174376A (ja) * | 1997-12-11 | 1999-07-02 | Ricoh Co Ltd | 3次元画像表示装置 |
-
2003
- 2003-07-30 AU AU2003252732A patent/AU2003252732A1/en not_active Abandoned
- 2003-07-30 WO PCT/JP2003/009671 patent/WO2005012980A1/ja active Application Filing
- 2003-07-30 JP JP2005507380A patent/JP4348336B2/ja not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08262370A (ja) * | 1995-03-28 | 1996-10-11 | Sony Corp | 液晶表示装置 |
JPH11174376A (ja) * | 1997-12-11 | 1999-07-02 | Ricoh Co Ltd | 3次元画像表示装置 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20100129413A (ko) * | 2009-06-01 | 2010-12-09 | 삼성전자주식회사 | 3차원 영상 표시 방법 및 이를 수행하기 위한 표시 장치 |
KR101640839B1 (ko) | 2009-06-01 | 2016-07-20 | 삼성디스플레이 주식회사 | 3차원 영상 표시 방법 및 이를 수행하기 위한 표시 장치 |
US9635350B2 (en) | 2009-06-01 | 2017-04-25 | Samsung Display Co., Ltd. | Light controlling method for displaying a three-dimensional image and display apparatus for performing the method |
JP2012203111A (ja) * | 2011-03-24 | 2012-10-22 | Arisawa Mfg Co Ltd | 立体画像表示装置 |
Also Published As
Publication number | Publication date |
---|---|
JPWO2005012980A1 (ja) | 2006-09-21 |
JP4348336B2 (ja) | 2009-10-21 |
AU2003252732A1 (en) | 2005-02-15 |
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