Abstract: A three-dimensional image display apparatus includes an image display configured to output image light which arrays a plurality of pixels and has polarization, a lens array arranged in front of the image display, configured to function as lens at light which has a 1st polarization direction, and not to function as lens at light which has a 2nd polarization direction differed from the 1st polarization direction, and a birefringent phase modulator placed between the image display and the lens array and configured to rotate a polarization plane of the image light.

Abstract: A three-dimensional image display device includes a two-dimensional image display screen having color filters in which each color is disposed on sub-pixels obtained by dividing one pixel in a vertical direction and same color is disposed on each column of sub-pixels; an optical plate having an exit pupil, the exit pupil being provided for making a viewing zone different for each pixel and having a longitudinal axis disposed as to be inclined from a vertical direction of the two-dimensional image display screen at a degree (?) (??0, ?45°<?<45°), the viewing zone being a region in which parallax information displayed on the two-dimensional image display screen is observed; and a viewing zone adjusting unit that adjusts the viewing zone by shifting the viewing zone in a horizontal direction of the two-dimensional image display screen by shifting the parallax information disposed on each pixel of the two-dimensional image display screen in the vertical direction by pixel.

Abstract: It is made possible to satisfy such a condition that moire or color moire is suppressed and a fast image processing is made easy and such a condition that sufficient image quality can be obtained both at a flat image display time and at a stereoscopic image display time simultaneously. A vertical period of pixel rows having the pixels arranged in one row in a lateral direction is three times a lateral period of the pixels, the pixels developing red, green and blue are alternately arranged in a lateral direction in the same row, the pixels in one row of two rows adjacent in a vertical direction are arranged such that lateral positions thereof are shifted to the pixels in the other row by 1/2 of the lateral period of the pixels, the pixels in rows adjacent in the same column through one row interposed therebetween are the pixels developing different colors of red, green and blue, and a pitch of the elemental images is equal to a width of 18n (n=1, 2, 3 . . .

Abstract: An optical plate having an exit pupil array or a lens array aligned at a predetermined pitch is disposed at the front of a display. A test pattern is supplied to the display to light a pixel corresponding to the predetermined pitch. A first optical element transmits a light from an inspection position of the optical plate. A second optical element coaxially disposed on the first optical element, focuses the light from the first optical element. An image from the light focused at the second optical element is obtained. A three-dimensional position at the inspection position of the optical plate relative to the display or a predetermined period of the optical plate is calculated from a position and a period of luminance distribution of the image, and a distance between the optical plate and the first optical element. Whether the three-dimensional position or the predetermined period is within a threshold is inspected.

Abstract: It is made possible to satisfy such a condition that moire or color moire is suppressed and a fast image processing is made easy and such a condition that sufficient image quality can be obtained both at a flat image display time and at a stereoscopic image display time simultaneously. A vertical period of pixel rows having the pixels arranged in one row in a lateral direction is three times a lateral period of the pixels, the pixels developing red, green and blue are alternately arranged in a lateral direction in the same row, the pixels in one row of two rows adjacent in a vertical direction are arranged such that lateral positions thereof are shifted to the pixels in the other row by ½ of the lateral period of the pixels, the pixels in rows adjacent in the same column through one row interposed therebetween are the pixels developing different colors of red, green and blue, and a pitch of the elemental images is equal to a width of 18n (n=1, 2, 3 . . .

Abstract: Mediums that are arranged opposite to an elemental-image display unit, that form two lens arrays having different principal planes together with substrates, and that switches a polarization direction of incident light corresponding to applied voltage, thereby making lens effect of either one of the lens arrays effective are included. By controlling the polarization direction synchronizing with a display timing of images to be displayed on the elemental-image display unit, the lens array to be effective is switched at each display timing, and images having different near or far direction are alternately displayed on the elemental-image display unit.

Abstract: The embodiment is to make it possible to increase a resolution obtained when a character or a two-dimensional image is displayed. A stereoscopic image display device is provided with a two-dimensional image display device having a plurality of pixels arranged within a display plane; and a ray control section which is provided in front of or behind the display plane and has a plurality of opening portions or a plurality of lenses arranged side by side, for controlling rays from the pixels, a distance z from the ray control section to a two-dimensional character or a two-dimensional image display position satisfying relationships of 0<z<L×D/(1+D)/2 in a projection region and 0<z<L×D/(1?D)/2 in a depth region, wherein L represents a viewing distance, Ip represents a pitch of the opening portions or the lenses, 2? represents a viewing area angle, pp represents the pitch of the pixels, and D is expressed as D = ( l p ) 2 2 ? Lp p ? tan ? ( ? ) .

Abstract: An elemental image display has a pixel plane on which pixels are aligned with a matrix shape. A lens array has a plurality of birefringence lens aligned with an array shape. Each birefringence lens has an isotropy. A plurality of electrodes is placed between the elemental image display and the lens array. Each electrode is differently connected to a power supply line. A first electrode substrate has a part of the plurality of electrodes. A second electrode substrate has other part of the plurality of electrodes. A longitudinal direction of electrodes of the other part is perpendicular to a longitudinal direction of electrodes of the part. A medium is placed between the first electrode substrate and the second electrode substrate. The medium expresses anisotropy of a refractive index by applying a voltage from the power supply line.

Abstract: It is possible to provide a three-dimensional image display device which can improved a final resolution balance and can prevent display blocking. A three-dimensional image display device includes: a two-dimensional image display device where pixels constituting a pixel group displaying an elemental image are arranged in a matrix shape; and an optical plate which has exit pupils corresponding to the pixel group and controls light rays from the pixels of the pixel group, wherein the exit pupils in the optical plate are constituted so as to be continued in an approximately vertical direction, and an angle formed between a direction in which the exist pupils are continued and a column direction of a pixel arrangement in the two-dimensional image display device is given by arctan (1/n) when n is a natural number which is different from multiples of 3.

Abstract: A two-dimensional image can be displayed in a desired position, a desired aspect ratio of the display image can be maintained, and such an elemental image array as to maximize an interpolating effect can be produced. A producing method of an elemental image array for three-dimensional image display includes: converting the resolution of the two-dimensional image into substantially the same resolution of a three-dimensional image display device; obtaining multipoint images by shifting the position to sample the two-dimensional image after the resolution conversion at regular intervals in the horizontal direction; and rearranging the multipoint images according to the positional relationship between exit pupils and projecting directions.

Abstract: An apparatus is provided with a display unit and a optical filter. The unit has pixels arranged in a matrix form, which are groped into a first group and second groups to display two-dimensional image information constituting elemental images, the image information being obtained from different directions. The optical filter has a first optical opening opposed to the first pixel group and second optical openings opposed to corresponding one of the second pixel groups. The center of the first pixel group is coincident with the axis of the first opening, each center of the second pixel groups is deviated from corresponding one of the second opening axe, and the deviation is gradually increased depending on a distance between the first and the second pixel group centers. The light rays are directed to a reference plane from the first and second pixel groups through the first and second opening axes.

Abstract: In a II system display apparatus, in a normal display mode, a parallax component image is divided into pieces corresponding to respective columns for a parallax interleaved image. The component image is obtained by subjecting a subject to perspective projection in a vertical direction and to orthographic projection in a horizontal direction. In a compressed and emphasized display mode, the component image is divided into pieces corresponding to respective columns. The component image is obtained by subjecting the subject to perspective projection in both vertical and horizontal directions. In a multiview compatible mode, the component image is divided into pieces corresponding to respective columns so that the same piece is provided for a plurality of adjacent columns. The component image is obtained by subjecting the subject to perspective projection in both vertical and horizontal directions.

Abstract: Mediums that are arranged opposite to an elemental-image display unit, that form two lens arrays having different principal planes together with substrates, and that switches a polarization direction of incident light corresponding to applied voltage, thereby making lens effect of either one of the lens arrays effective are included. By controlling the polarization direction synchronizing with a display timing of images to be displayed on the elemental-image display unit, the lens array to be effective is switched at each display timing, and images having different near or far direction are alternately displayed on the elemental-image display unit.

Abstract: A three-dimensional input apparatus includes a lens L1 for converting angular information about light rays from a object, a focusing element L3 for focusing the light rays from the object to the vicinities of an array R of photoelectric elements, and a lens L2 for performing conversion into a real image near the surface of the focusing element L3. The lens L2 is present between the lens L1 and focusing element L3. The array R records light as image signal sequentially. A driver portion drives the optical system and scans light ray information about the object.

Abstract: A three-dimensional image display device includes a two-dimensional image display screen having color filters in which each color is disposed on sub-pixels obtained by dividing one pixel in a vertical direction and same color is disposed on each column of sub-pixels; an optical plate having an exit pupil, the exit pupil being provided for making a viewing zone different for each pixel and having a longitudinal axis disposed as to be inclined from a vertical direction of the two-dimensional image display screen at a degree (?) (??0, ?45°<?<45°), the viewing zone being a region in which parallax information displayed on the two-dimensional image display screen is observed; and a viewing zone adjusting unit that adjusts the viewing zone by shifting the viewing zone in a horizontal direction of the two-dimensional image display screen by shifting the parallax information disposed on each pixel of the two-dimensional image display screen in the vertical direction by pixel.

Abstract: An optical plate having an exit pupil array or a lens array aligned at a predetermined pitch is disposed at the front of a display. A test pattern is supplied to the display to light a pixel corresponding to the predetermined pitch. A first optical element transmits a light from an inspection position of the optical plate. A second optical element coaxially disposed on the first optical element, focuses the light from the first optical element. An image from the light focused at the second optical element is obtained. A three-dimensional position at the inspection position of the optical plate relative to the display or a predetermined period of the optical plate is calculated from a position and a period of luminance distribution of the image, and a distance between the optical plate and the first optical element. Whether the three-dimensional position or the predetermined period is within a threshold is inspected.

Abstract: A three-dimensional image display device includes a display unit having pixels arranged in a form of a matrix, the pixels forming pixel groups configured to display element images, and a mask having windows corresponding to the pixel groups. Preferably, relative positions of the pixel groups to the windows change cyclically.

Abstract: A three-dimensional input apparatus includes a lens L1 for converting angular information about light rays from a object, a focusing element L3 for focusing the light rays from the object to the vicinities of an array R of photoelectric elements, and a lens L2 for performing conversion into a real image near the surface of the focusing element L3. The lens L2 is present between the lens L1 and focusing element L3. The array R records light as image signal sequentially. A driver portion drives the optical system and scans light ray information about the object.

Abstract: A projection type screen comprises a reflection surface array and a lenticular sheet. In the reflection surface array, a plurality of reflection surfaces is located along a horizontal direction. Each reflection surface has a mirror reflectivity of which section along the horizontal direction is quadratic curve shape. The lenticular sheet is located at an incident side of a projection light for the reflection surface array. The lenticular sheet has diffusivity along a vertical direction.

Abstract: It is made possible to provide a stereoscopic image display apparatus capable of preventing a luminance difference from being caused between left and right eyes irrespective of the observation position even if the viewing zone is wide and the number of parallaxes is large. A stereoscopic image display apparatus includes: a display unit including pixels arranged in a matrix form in a longitudinal direction and a lateral direction; an optical plate installed so as to be opposed to the display unit and having linear optical openings prolonged in a longitudinal direction and arranged in a lateral direction; and a luminance compensation processing unit which, for each of elemental images associated with the optical openings, sets a brightness of an image displayed on a pixel located in a center of the elemental image smaller than a brightness of an image displayed on a pixel located in each of boundaries of the elemental image.