Abstract: An arrangement for the display of images with selectable three-dimensionally visible or two-dimensional modes, including an illuminating device a filter array to impart a structure to the light a diffusing layer, and a transmissive image display device, with a variable distance a between the filter array and the diffusing layer, so that in a first position, the structure imparted by the filter array is essentially cancelled due to the light diffusion effect of the diffusing layer, and a two-dimensional image is shown, and the structure imparted by the filter array is essentially not cancelled, so that the image display device shows a three-dimensional image.

Abstract: The invention relates to arrangements for spatial display, and in particular to such arrangements that, by means of wavelength or gray level filter arrays, present an image visible in three dimensions to one or several observers without the use of auxiliary aids such as glasses. In such arrangements, an increased brightness of the 3D display is achieved by means of the arrangement of transparent filters on the filter array according to the invention.

Abstract: The invention relates to a simulation method, especially to a method for simulating spatial impressions which are produced by means of an image generator and one or several filter arrays. The method according to the invention essentially comprises the following steps: a) Specification of the geometry of the image generator, b) specification of the geometry of the filter array, c) specification of a spatial arrangement geometry in relation to the image generator and the filter array in a three-dimensional coordinate system (X,Y,Z), d) specification of two monocular positions of observation in front of the said arrangement geometry, e) specification of a combined image containing bits of partial information from several views Ak (k=1 . . .

Abstract: An assembly for two or three dimensional image representation having an image reproduction unit, a first scattering layer located behind the image reproduction unit in the line of vision of a viewer, a filter array located behind the image reproduction unit and the first scattering layer in the line of vision of a viewer, and a second scattering layer located in front of and directly on the image reproduction unit in the line of vision of the viewer. The first scattering layer has a plurality of image elements, which in a predetermined allocation represent information from one or more views of a scene, object or text and can be switched back and forth between a transparent condition and a scattering condition.

Abstract: The invention relates to arrangements and methods for spatially displaying images of a scene or object, in which several viewers can get a spatial impression without the use of aids. Arrangements according to the invention comprise an image display device and at least one filter array with a great number of filter elements; characteristically, it is not in all rows (j) and columns (i) that partial image information from different views is alternatingly displayed by the pixels of the image display device in such a way that, from at least two monocular viewing positions, exclusively or almost exclusively partial image information from a single view is visible to one of the viewer's eyes, and that, from a great number of viewing positions, essentially bits of partial image information from different views are visible monocularly to both eyes of the viewer, and that the viewer has a spatial view of the scene or object displayed.

Abstract: The invention relates to methods and arrangements for unaided three-dimensionally recognizable representation by a method for three-dimensionally recognizable representation, in which individual image elements (?ij) are simultaneously made visible, the image elements (?ij) reproducing partial information from several views (Ak (k=1 . . . n)) of the scene/object. Directions of propagation are predefined for the light emitted by the image elements (?ij) with the aid of a structural plate. For this purpose, the structural plate includes a plurality of optical elements that are arranged in sequences. According to the invention, the mean geometrical distance (p?) between two adjacent sequences of light-transmitting optical elements on the structural plate meets the condition p?=p, wherein p=G*sin (0.017 degrees), G representing four times the diagonal length of the image element (?ij) PO raster.

Abstract: The invention relates to an assembly for the selective three-dimensional or two-dimensional representation of images. The inventive assembly comprises an image reproduction unit (1) with a plurality of image elements, which in a predetermined allocation represent information from one or more views of a scene, object or text, a filter array (2) that is located behind the image reproduction unit (1) in the line of vision (B) of an observer, a first scattering layer (3) that is located behind the image reproduction unit (1) and in front of the filter array (2) in the line of vision of the observer, said layer being switched back and forth between a transparent condition and a scattering condition and a second scattering layer (4) that is located in front of the image reproduction unit (1) in the line of vision (B) of the observer and lies directly on said unit, the layer corresponding preferably to an anti-glare matt layer.

Abstract: The invention relates to methods and arrangements for unaided three-dimensionally recognizable representation by a method for three-dimensionally recognizable representation, in which individual image elements (?ij) are simultaneously made visible, the image elements (?ij) reproducing partial information from several views (Ak (k=1 . . . n)) of the scene/object. Directions of propagation are predefined for the light emitted by the image elements (?ij) with the aid of a structural plate. For this purpose, the structural includes a plurality of optical elements that are arranged in sequences. According to the invention, the mean geometrical distance (p?) between two adjacent sequences of light-transmitting optical elements on the structural plate meets the condition p?=p, wherein p=G*sin(0.017°), G representing four times the diagonal length of the image element (?ij) raster.

Abstract: The invention relates to arrangements and methods for spatially displaying images of a scene or object, in which several viewers can get a spatial impression without the use of aids. Arrangements according to the invention comprise an image display device and at least one filter array with a great number of filter elements; characteristically, it is not in all rows (0) and columns (i) that partial image information from different views is alternatingly displayed by the pixels of the image display device in such a way that, from at least two monocular viewing positions, exclusively or almost exclusively partial image information from a single view is visible to one of the viewer's eyes, and that, from a great number of viewing positions, essentially bits of partial image information from different views are visible monocularly to both eyes of the viewer, and that the viewer has a spatial view of the scene or object displayed.

Abstract: An arrangement for the display of images with selectable three-dimensionally visible or two-dimensional modes, including an illuminating device a filter array to impart a structure to the light a diffusing layer, and a transmissive image display device, with a variable distance a between the filter array and the diffusing layer, so that in a first position, the structure imparted by the filter array is essentially cancelled due to the light diffusion effect of the diffusing layer, and a two-dimensional image is shown, and the structure imparted by the filter array is essentially not cancelled, so that the image display device shows a three-dimensional image.

Abstract: A method for three-dimensional display in which a plurality of individual image elements ?ij are made visible simultaneously in a raster of columns i and lines j, wherein the image elements ?ij reproduce partial information from a plurality of views Ak (k1 . . . n) of a scene/object, and adjacent image elements ?ij radiate light of different wavelengths or wavelength regions is provided. In a method of the type described above, wavelength-dependent propagation directions are predetermined for the light radiated from the image elements ?ij. The propagation directions within an observation space in which an observer is situated intersect in a plurality of intersection points which correspond to observation positions. From each observation position, one eye of an observer perceives predominantly partial information of a first selection and the other eye perceives predominantly partial information of a second selection from views Ak (k=1 . . . n).

Abstract: An arrangement for two- or three-dimensional display including an image display device consisting of a multitude of light-transmitting image rendering elements, on which bits of image information from several perspective views can be displayed, and a wavelength filter array and a controllable illuminator providing at least two modes of operations. In a first mode of operation, light emitted by a first light source arranged behind the wavelength filter array reaches the observer by passing through at least part of the light-transmitting filter elements and subsequently through a correlated part of the image rendering elements of the image display device, so that the scene or object is seen by the observer in three dimensions.

Abstract: The invention relates to arrangements for spatial display, and in particular to such arrangements that, by means of wavelength or gray level filter arrays, present an image visible in three dimensions to one or several observers without the use of auxiliary aids such as glasses. In such arrangements, an increased brightness of the 3D display is achieved by means of the arrangement of transparent filters on the filter array according to the invention.

Abstract: The invention relates to a simulation method, especially to a method for simulating spatial impressions which are produced by means of an image generator and one or several filter arrays. The method according to the invention essentially comprises the following steps: a) Specification of the geometry of the image generator, b) specification of the geometry of the filter array, c) specification of a spatial arrangement geometry in relation to the image generator and the filter array in a three-dimensional coordinate system (X,Y,Z), d) specification of two monocular positions of observation in front of the said arrangement geometry, e) specification of a combined image containing bits of partial information from several views Ak (k=1 . . .

Abstract: The invention is directed to a method for three-dimensional display in which a plurality of individual image elements ajj are made visible simultaneously in a raster of columns i and lines j, wherein the image elements &agr;ij reproduce partial information from a plurality of views Ak (k-l . . . n) of a scene/object, and adjacent image elements &agr;ij radiate light of different wavelengths or wavelength regions. The invention is further directed to arrangements for carrying out the method.