Abstract: The present invention provides active shutter glasses, passive glasses, and a stereoscopic image projection system, with which a viewer wearing polarizing sunglasses can enjoy improved visibility. The active shutter glasses comprises: a shutter for a right eye; and a shutter for a left eye, wherein the shutters for a right eye and for a left eye each have a liquid crystal cell and a linearly polarizing element, the linearly polarizing element is provided in each shutter on an inner side than the liquid crystal cell is, the linearly polarizing element has a transmission axis direction set in the vertical direction when the glasses are worn.

Abstract: A projection apparatus has a first light beam having a first state of polarization and containing a first set of primary colors, a first light modulator arrangement for spatially modulating the polarization state of the first light beam to encode a first image thereon in the first set of primary colors, a second light beam having a second state of polarization and containing a second set of primary colors, and a second light modulator arrangement for spatially modulating the polarization state of the second light beam to encode a second image thereon. A polarizing beam splitter having first and second input ports to admit the first and second encoded light beams. Light of one polarization state incident on the first port is transmitted to the output port and light of another polarization state incident on the second port is reflected to said output port so that said transmitted and reflected light is combined into a common output beam at said output port.

Abstract: Disclosed is a display device with a minimum bezel, the display device comprising a display panel for displaying an image; a guide frame connected to the display panel to support the display panel; and a rear cover for supporting the guide frame, wherein the guide frame covers an edge portion of the rear cover and exposes the front surface of the display panel to the outside of the display device.

Abstract: A display module includes a transparent substrate, a black matrix layer, several light-shielding elements and a phase retardation film. The transparent substrate includes left-eye pixel regions and right-eye pixel regions for respectively displaying left-eye images and right-eye images. Each left-eye pixel region is adjacent to each right-eye pixel region. The black matrix layer is disposed on one side of the transparent substrate and corresponds to each boundary between the left-eye and right-eye pixel regions. The light-shielding elements are disposed on the other side of the transparent substrate and respectively correspond to the boundaries between the left-eye and right-eye pixel regions. The phase retardation film is disposed on the other side of the transparent substrate, and has first-phase retardation regions and second-phase retardation regions with difference phases.

Abstract: A stereoscopic image display and method is provided. The stereoscopic image display device includes: a thin film transistor array substrate, a color filter substrate facing the thin film transistor array substrate, the color filter substrate including a plurality of black matrices, a plurality of black stripes on the color filter substrate, each of the plurality of black stripes corresponding to the black matrices, and a patterned retarder film on the color filter array substrate over the black stripes, wherein at least one of the plurality of black stripes includes a first black pattern and a second black pattern that are spaced apart from each other, such that gaps are disposed therebetween.

Abstract: A polarizing-axis control plate includes first and second polarization areas and a polarizing-axis control plate area shading part arranged at a boundary between these polarization areas and arranged in a position corresponding to an image generating area shading part to shade all or part of right-eye and left-eye image lights. When these image lights enter the first and second polarization areas respectively, the polarizing-axis control plate emits these image lights in the form of linearly-polarized lights whose polarizing axes intersect with each other at right angles or circularly-polarized lights whose polarizing axes are rotated in opposite directions. The image generating area shading part is arranged at a boundary between first and second modulated-light generating areas to shade incident light. The polarizing-axis control plate area shading part is formed to contain a plurality of straight lines each having a width narrower than a linewidth of the image generating area shading part.

Abstract: A 2D and 3D compatible eyeglasses includes an eyeglass frame with a left polarized lens and a right polarized lens and an adjusting and receiving module mounted on the eyeglass frame and sandwiched between the left polarized lens and the right polarized lens to adjust angles of the left polarized lens and the right polarized lens so as to allow the left lens and the right lens to be at the same angle to allow the user to watch a 2D content and to allow the user to watch a 3D content when there is an angle difference between the left lens and the right lens.

Abstract: A polarization system including a first polarization film, a second polarization film, and a first retardation film disposed between the first and second polarization films. The first polarization film is disposed between a user and a light irradiator and the second polarization film is disposed between the first polarization film and the light irradiator. In addition, the first retardation film retards a phase of the light passing through the first polarization film. Thus, the polarization system allows the user to watch a 3D image without being related to the user's posture. A second retardation film may also be disposed between the first polarization film and the first retardation film.

Abstract: The present invention relates generally to the field of organic chemistry and particularly to the circular polarization eyeglasses intended for viewing the image in 3D-TV and 3D-cinema.

Abstract: A polarization module including first quarter-wave plates disposed on a polarizer plate and having slow axes inclined to a polarization axis of the polarizer plate by 45 degrees. Second quarter-wave plates are disposed on the polarizer plate alternately with the first quarter-wave plates and have slow axes inclined to the polarization axis of the polarizer plate by 45 degrees but face away from the slow axes of the first quarter-wave plates. Half-wave plates are disposed on the first and second quarter-wave plates and are arranged in a direction that intersects the direction in which the first and second quarter-wave plates are arranged.

Abstract: Embodiments of the disclosed technology provide a three dimensional (3D) display panel and a method of manufacturing a phase difference plate. The 3D display panel comprises: a display panel which comprises a first substrate and a second substrate facing each other, the first substrate comprising a first polarizer, the second substrate comprising a second polarizer; and a phase difference plate which is directly disposed on a surface of the first substrate on an opposite side of the second substrate.

Abstract: The disclosed technology relates to a method of manufacturing a phase difference plate and a three dimensional (3D) display panel. The method comprise the following steps: S1: applying an alignment layer on a surface of an upper polarizer of a display panel; S2: performing an alignment treatment on the alignment layer, so as to divide the alignment layer into a plurality of regions with at least two different alignment directions; and S3: applying a layer of reactive mesogens on the alignment layer subjected to the alignment treatment, and solidifying the reactive mesogens after being aligned, so as to form the phase difference plate.

Abstract: A polarization module includes: a polarizer; a plurality of first quarter-wave plates disposed over the polarizer such that their optical axes are tilted at 45 degrees with respect to the polarization axis of the polarizer; a plurality of second quarter-wave plates disposed over the polarizer such that their optical axes are tilted at 45 degrees with respect to the polarization axis of the polarizer in the direction opposite to the tilting direction of the optical axes of the first quarter-wave plates; and a transparent resin plate disposed over the plurality of first quarter-wave plates and the plurality of second quarter-wave plates and having optical isotropy.

Abstract: A projector includes: a light source which emits light; a light modulating device which modulates the light emitted from the light source according to image information; an image forming system which forms an image corresponding to the optical image formed by the light modulating device of modulated light which is modulated by the light modulation device at an image forming position; a polarized light emitting unit disposed at the image forming position of the image forming system to selectively convert the polarization direction of a part of entering light; and a projecting device which projects the light from the polarized light emitting unit.

Abstract: Embodiments of the invention relate to a stereoscopic image display device using a pattern retarder method, which offers an increased vertical viewing angle and a method for fabricating the same. The stereoscopic image display device comprises: a display panel including data lines, gate lines crossing the data lines, and a plurality of pixels formed in cell areas defined by the crossings of the data lines and the gate lines; and a pattern retarder including a first retarder for passing only left circularly polarized light therethrough and a second retarder for passing only right circularly polarized light therethrough, wherein a plurality of air holes are formed in a first plane of a first substrate of the display panel, and the long axis direction of the air holes is the same as the long axis direction of the first retarder and the second retarder.

Abstract: A polarization module includes: a polarizer; a plurality of first quarter-wave plates disposed over the polarizer such that their optical axes are tilted at 45 degrees with respect to the polarization axis of the polarizer; and a plurality of second quarter-wave plates disposed over the polarizer such that their optical axes are tilted at 45 degrees with respect to the polarization axis of the polarizer in the direction opposite to the tilting direction of the optical axes of the first quarter-wave plates.

Abstract: Reduction of crosstalk of a stereoscopic display device equipped with an optically anisotropic element having a finely patterned optically anisotropic layer. The optically anisotropic element has a patterned optically anisotropic layer which contains a first retardation area and a second retardation area differing from each other in at least either the direction of in-plane slow axes or the in-plane retardation, and the first and second retardation area being alternately arranged in plane, the patterned optically anisotropic layer being disposed on a surface of a laminate having a first film and a second film, while an in-plane slow axes of the first and an in-plane slow axis the second film being orthogonal to each other.

Abstract: A direct view display provides a light modulating panel and a backlight including first and second sets of spectral emitters. The first set of spectral emitters generate a first light bundle and the second set of spectral emitters generate a second light bundle. Several modes of operation may be provided including (1) an advanced 2D mode, (2) an enhanced color gamut mode employing simultaneous illumination of the first and second set of spectral emitters, (3) a privacy screen mode, (4) a channel multiplexed mode, and (5) a stereoscopic image mode. The latter three modes utilize the first and second set of spectral emitters to alternately illuminate a portion of the light modulating panel. Images and representations generated by the direct view display operating in the latter three modes are viewed using appropriate eyewear having filters with passband characteristics to transmit the respective light bundle.

Abstract: Disclosed embodiments include stereoscopic systems having at least one compensator operable to reduce the sensitivity of polarization control over incidence angle of image source optics and analyzer optics. In an exemplary embodiment, the disclosed compensator is operable to compensate polarization changes induced by optics at either or both the image source subsystem and the analyzer subsystem, in which the polarization changes would be operable to cause leakage at the analyzer subsystem if uncompensated. As such, the disclosed compensators and compensation techniques are operable to reduce leakage at the analyzer subsystem even if the disclosed compensator may be located at the analyzer subsystem.

Abstract: A phase difference element and a display device having the phase difference element are provided. A base film 31 of the phase difference element 30 includes, for example, a thin resin film having optical anisotropy. A slow axis AX3 of the base film 31 points in a vertical or horizontal direction, and points in a direction intersecting with a slow axis AX1 of a right-eye region 32A of the phase difference element 30 and with a slow axis AX2 of a left-eye region 32B thereof. Thus, influence due to optical anisotropy of the base film 31 is exerted on each light being transmitted by the base film 31, so that the influence is not extremely greatly exerted on only one of light corresponding to a right eye and light corresponding to a left eye, the respective light being transmitted by the base film 31.

Abstract: A 3D image display apparatus has an image display panel portion that is driven based on image signals, and a phase difference plate that is disposed on an observation side of the image display panel portion and has at least a patterned optically anisotropic layer, in which the image display panel portion and the phase difference plate are adhered to each other through an adhesive composition having a glass transition temperature of room temperature or lower, and at least one of surfaces adhered through the adhesive composition is a film including a cellulose derivative.

Abstract: Embodiments of the disclosed technology provide a three dimensional (3D) display device, comprising: an optical lens group, display panels, and a display plane, wherein the display panels comprises a first display panel and a second display panel for emitting image light with different polarization states, and wherein the optical lens group is used to refract polarized light emitted from the first and second display panels onto the display plane, so that the image light emitted from the first and second display panels forms images on the display plane. In addition, a 3D display system comprising the above 3D display device is also provided.

Abstract: Disclosed is a 3D display device comprising a first polarizing film disposed at an observer-side, and a protective member, having a ?/4-function, disposed on an observer-side surface of the first polarizing film, wherein the first polarizing film is disposed so that an absorption axis thereof is along a direction of 45° or 135° with respect to a horizontal direction of a visual surface, the protective member is disposed so that a slow axis thereof is along a direction of 0° or 90° with respect to the horizontal direction of the visual surface, and an absolute value of Rth(550) of the protective member satisfies the following relation (I): 25 nm?|Rth(550)|?160 nm.

Abstract: A transmitted light selecting device includes a first light selecting unit (2a) having a polarizing filter (4a) for allowing an image light ray having one polarization direction to pass therethrough, and a phase difference film (5A) for providing phase differences to the light ray passing through the polarizing filter (4a) to emit light in which light rays having polarization directions coexist toward a viewer, and a second light selecting unit (2b) having a polarizing filter (4b) having a polarized light transmission axis perpendicular to that of the polarizing filter (4a), and a phase difference film (5B) for providing phase differences to a light ray passing through the polarizing filter (5b) to emit light in which light rays having polarization directions coexist toward the viewer.

Abstract: A stereoscopic image display device and a method for manufacturing a stereoscopic image display device are provided. A stereoscopic image display device that does not generate a crosstalk or a ghost phenomenon, can secure a wide viewing angle and realize excellent image qualities during displaying a 3D image may be provided.

Abstract: An electro-optical apparatus includes a display panel that displays an image, an illuminating device that allows light rays to pass through the display panel, a polarization axis controlling unit arranged between the illuminating device and the display panel for allowing light rays having first polarization axis out of light rays outputted from the illuminating device to pass and changing the polarization axes of part of the light rays emitted from the illuminating device to convert the light rays to light rays having second polarization axis different from the first polarization axis, and a lens having a plurality of linear lens patterns for causing the light rays having the first polarization axis and the light rays having the second polarization axis separated by the polarization axis controlling unit respectively to proceed in predetermined directions.

Abstract: A manufacturing method of a three-dimensional image display apparatus including an image display section and a retarder is provided. The manufacturing method includes attaching an adhesion sheet containing a curable resin to at least one of an exit surface of the image display section and an entrance surface of the retarder, layering the retarder on the image display section such that the entrance surface of the retarder faces the exit surface of the image display section, applying a resin onto a periphery portion of the image display section and onto a periphery portion of the retarder, adhering together the periphery portions by curing the resin applied to the periphery portions, and adhering together the image display section and the retarder by curing the resin between the image display section and the retarder, after adhering together the periphery portions.

Abstract: A method for manufacturing a stereoscopic display module including following steps is provided. A display module is provided. A first retardation film is attached on the display module with a heat-resisting adhesive layer. After attaching the first retardation film on the display module with the heat-resisting adhesive layer, a partial region of the first retardation film is heated to vanish a phase retardation property. The partial region includes a plurality of sub-regions spaced at intervals. A stereoscopic display module and a manufacturing system thereof are also provided.

Abstract: A liquid crystal display apparatus has a liquid crystal display device, a surface light source, and a view angle limiting device arranged between the surface light source and the liquid crystal display device. The view angle limiting device includes first and second transparent plates facing each other with a gap therebetween, a plurality of first ½ retardation layers having a predetermined shape formed to be spaced apart from each other on one of the facing inner surfaces of the first and second transparent plates, a plurality of second ½ retardation layers formed on the other inner surface at regions corresponding to the regions between the first ½ retardation layers, and a polarizing film provided at the outer surface of one of the first and second transparent plates that faces the surface light source.

Abstract: A multi view and stereoscopic image display comprises: first glasses that comprise a first left-eye filter and a first right-eye filter, allow only a first image to pass through the first left-eye filter and the first right-eye filter in a multi view mode, and allow a left-eye image and a right-eye image to respectively pass through the first left-eye filter and the first right-eye filter in a 3D mode; and second glasses that comprise a second left-eye filter and a second right-eye filter, allow only a second image to pass through the second left-eye filter and the second right-eye filter in the multi view mode, and allow the left-eye image and the right-eye image to respectively pass through the second left-eye filter and the second right-eye filter in the 3D mode.

Abstract: Shutter glasses include a left-eye selection part and a right-eye selection part that respectively switch to a transmission state or a blocking state, a tilt detection part that detects a tilt condition of the shutter glasses, a tilt condition determination part that compares an output value of the tilt detection part and a predetermined threshold value, a signal acquisition part that acquires a left switch signal in synchronization with the image for left eye and a right switch signal in synchronization with the image for right eye, and a switching operation part that switches the left-eye selection part and the right-eye selection part to the transmission state or the blocking state. When the output value is equal to or more than the threshold value, the switching operation part switches both the left-eye and the right-eye selection parts in response to one of the left and the right switch signal.

Abstract: Provided are a 2D (2-dimensional)/3D (3-dimensional) display apparatus using a scanning backlight and a method of controlling the same. The apparatus sequentially includes a backlight which is capable of scanning and irradiating polarized light, a retarder which transmits light emitted from the backlight as phase-maintained light and phase-delayed light, a lenticular array which transmits light from the retarder as directional light, and a display panel which displays an inputted image and which is illuminated by light being transmitted through the lenticular array. The backlight includes a plurality of light guide plates which are independently disposed and arranged in parallel with one another, a plurality of light sources which are provided for the respective light guide plates and emit light, and a plurality of polarization filters which are arranged in front of the respective light guide plates.

Abstract: The disclosure provides a display panel comprising a parallax barrier capable of working with natural light, and the parallax barrier comprises transparent barrier provided with at least one set of pattern which is capable of switching between a light-absorbing state and a light-transmitting state, wherein when the set of pattern is the light-absorbing state, a slit grating for 3D display is formed on the transparent barrier.

Abstract: A 2D/3D switchable display system is disclosed having a selector for selecting a two-dimensional (2D) or a three-dimensional (3D) image processing path. A first processor processes image data through the two-dimensional image processing path; a second processor, independent of the first processor, processes image data through the three dimensional image processing path. An important feature is the provision of a first set of at least three emitters having corresponding first wavelengths, and a second set of at least three emitters having corresponding second wavelengths. A controller that during a 2D operation activates both first and second sets of emitters to present a single image, while during a 3D operation activates the first set of emitters to present a first image having one half of stereo image information and activates the second set of emitters to present a second image having a second half of stereo image information.

Abstract: Curved lenses configured to decode three dimensional content and method of fabricating the same. The lenses decode three-dimensional content displayed on televisions or computer monitors. Sheets from which the lenses are cut have either (i) a polarizing axis of 0 degrees relative to horizontal and one sheet has a retarder axis at ?45 degrees relative to horizontal and the other sheet has a retarder axis of +45 degrees relative to horizontal; (ii) a polarizing axis of ?45 degrees relative to horizontal and one sheet has a retarder axis at 0 degrees relative to horizontal and the other sheet has a retarder axis of 90 degrees relative to horizontal; or (iii) a polarizing axis of +45 degrees relative to horizontal and one sheet has a retarder axis at 0 degrees relative to horizontal and the other sheet has a retarder axis of 90 degrees relative to horizontal.

Abstract: A collimating image-forming apparatus comprising a first linear polarizer is disclosed. A first quarterwave plate is disposed adjacent the first polarizer and has its fast and slow axes at substantially 45° to the plane of polarization of the first polarizer. The apparatus further comprises a beam-splitting curved mirror having a convex surface adjacent the first polarizer and facing towards the first quarter-wave plate, a second quarter-wave plate adjacent the concave side of the curved mirror, the second quarterwave plate having its having its fast and slow axes oriented with respect to the corresponding axes of the first quarter-wave plate at angles substantially equal to a first integral multiple of 90°, and a reflective-transmissive polarizing member adjacent the second quarter-wave plate.

Abstract: A test pattern for evaluating L/R crosstalk extinction ratio in a stereoscopic 3D system has a strip of one characteristic—polarization, white, color—associated with a plurality of calibrated chips in a left eye image and a strip of a contrasting characteristic—orthogonal polarization, white, contrasting color—associated with a plurality of calibrated chips in a right eye image such that, when the two images are superimposed, the strip of one image overlays the calibrated chips of the other image. By alternately occluding one eye while observing the superimposed image with the other eye, a portion of the strip of the occluded eye image appears across the chips of the viewing eye image when there is crosstalk. The extinction ratio value associated with the chip of the viewing eye image that most closely matches the portion of the strip from the occluded eye image is an estimate of the L/R crosstalk.

Abstract: It is aimed to reduce the occurrence of crosstalk attributable to the thermal expansion/contraction of a retarder and an image display section, and the unevenness in color attributable to the uneven surfaces of the retarder and the image display section. It is also aimed to reduce the misalignment of the retarder with respect to the image display section. The exit surface of an image display section 130 and the entrance surface of a retarder 180 are adhered to each other by using an adhesion layer 300. Additionally, the left and right edges of the image display section 130 are adhered to the left and right edges of the retarder 180 by using adhesion regions 400. Here, the adhesion regions 400 have a higher glass transition temperature than the adhesion layer 300.

Abstract: A three-dimensional image display device includes a display and a polarization switching panel. The display includes a signal transmitter, and is configured to alternately display a left eye image and a right eye image. The polarization switching panel includes a signal receiver, an upper substrate, an upper electrode disposed on the upper substrate, a lower substrate, and a lower electrode disposed on the lower substrate. The signal transmitter and the signal receiver are synchronized by a 3D synchronization signal.

Abstract: Curved lenses configured to decode three dimensional content and method of fabricating the same. The lenses comprise a polyvinylalcohol polarizer film or similar type of material laminated with triacetate or similar type material on one or both sides, wherein the polarizer film has a polarizing efficiency equal to or exceeding 99% and a transmittance percentage equal to or exceeding 35% and a retarder film (e.g., norbornene copolymer resin) laminated on a front surface of the polyvinylalcohol polarizer film laminated with triacetate and aligned to produce a desired circular polarization responsive to specified retardation wavelengths. Thermoforming and press polishing techniques may be used to fabricate/curve the blanks into lenses. The lenses (optical elements) may be used in an injection molding process to add thickness.

Abstract: A 2D/3D switchable display system having a selector for selecting a two-dimensional (2D) or a three-dimensional (3D) image processing path; a first processor for processing image data through the two-dimensional image processing path; a second processor, independent of the first processor, for processing image data through the three dimensional image processing path; a first set of at least three emitters having corresponding first wavelengths; a second set of at least three emitters having corresponding second wavelengths; and a controller that during a 2D operation activates both first and second sets of emitters to present a single image, while during a 3D operation activates the first set of emitters to present a first image having one half of stereo image information and activates the second set of emitters to present a second image having a second half of stereo image information.

Abstract: A 3D display apparatus includes a 3D panel which displays a 3D image, a first circular polarization film which is attached to a front side of the 3D panel and converts the 3D image to a circular polarization component by retarding a phase, and 3D glasses including a second circular polarization film which converts the circular polarization component converted by the first circular polarization film to a linear polarization component by retarding a phase, a liquid crystal unit which allows the linear polarization component to pass or isolates the linear polarization component from passing based on a state of the power, and a linear polarization plate which allows the linear polarization component to pass or isolates the linear polarization component from passing based on a direction of the linear polarization component.

Abstract: A display apparatus includes a display panel, a first polarization part, and a second polarization part. The display panel includes an array substrate, an opposite substrate and an electro-optical material layer disposed between the array substrate and the opposite substrate. The electro-optical material layer reflects first circularly polarized light having a wavelength of a predetermined range and transmits second circularly polarized light having a phase difference with the first circularly polarized light. The first polarization part faces a rear face of the array substrate and converts incident light of the rear face into the first circularly polarized light. The second polarization part faces a front face of the opposite substrate and blocks the first circularly polarized light reflected from the electro-optical material layer and transmits the second circularly polarized light transmitted through the electro-optical material layer.

Abstract: An over/under lens for projecting a 3D film print possesses a circular polarization module that includes a clockwise circular polarization filter assembly and a counterclockwise circular polarization filter assembly. The clockwise and counterclockwise circular polarization filter assemblies advantageously limit cross talk occurring between left-eye and right eye images, thus improving the viewing experience.

Abstract: Stereoscopic or 3D glasses include a half-wave phase difference plate, a first polarization-converting optical system, and a second polarization-converting optical system. The half-wave phase difference plate is movable between a used position and an unused position. The first polarization-converting optical system follows the half-wave phase difference plate when the half-wave phase difference plate is in its used position. The first polarization-converting optical system is uncovered when the half-wave phase difference plate is in its unused position. When the half-wave phase difference plate is in its used position, the glasses operate in a two-dimensionally viewing mode. When the half-wave phase difference plate is in its unused position, the glasses operate in a three-dimensionally viewing mode.

Abstract: The present invention relates to a wire grid polarizer capable of securing a high brightness and reducing the number of processes, a liquid crystal device including the wire grid polarizer, and a method of manufacturing the wire grid polarizer. According to the present invention, the wire grid polarizer, including first grids arranged in parallel at certain intervals over a substrate and second grids formed on the first grids, can be formed using only an imprint process, a deposition process, and a wet etch process. Accordingly, the number of processes and the process costs and time can be reduced, and high reliability can be guaranteed.

Abstract: A liquid crystal display apparatus has a liquid crystal display device, a surface light source, and a view angle limiting device arranged between the surface light source and the liquid crystal display device. The view angle limiting device includes first and second transparent plates facing each other with a gap therebetween, a plurality of first ½ retardation layers having a predetermined shape formed to be spaced apart from each other on one of the facing inner surfaces of the first and second transparent plates, a plurality of second ½ retardation layers formed on the other inner surface at regions corresponding to the regions between the first ½ retardation layers, and a polarizing film provided at the outer surface of one of the first and second transparent plates that faces the surface light source.

Abstract: The invention relates to an autostereoscopic projection arrangement, comprising at least one projector (4) and at least one filter array (F1, F2), which has a multitude of filter elements arranged in columns and rows, in which arrangement bits of partial information from views of a scene or object are projected by the projector/the projectors (4) onto a projection screen (3), where these bits of partial information are rendered on image rendering elements and, having passed one or several of the filter arrays (F1, F2), are made visible to at least one observer (5), and in which, as regards the propagation direction of the bits of partial information, the image rendering elements correspond with correlated filter elements in such a way that an observer (5) will see predominantly bits of partial information from a first selection of views with one eye and predominantly bits of partial information from a second selection of views with the other eye, and thus will have a spatial impression.

Abstract: A pair of viewing glasses and an image beam adjustment method are provided, wherein the viewing glasses includes a polarizer. The adjustment method includes the following steps. Detect the transmittance of the image beam from the screen passing through the glasses. Generate an operating signal according to the operating period of the viewing glasses, a corresponding value corresponding to the operating period of the viewing glasses, and the transmittance of the image beam, so as to adjust the polarization direction of the image beam before passing through the polarizer. Maintain the operating signal during the operating period of the viewing glasses.

Abstract: A method displays an image only to an authorized user by generating a mask image from a data image. The data and mask image are then displayed periodically in an alternating manner on a display device by a select signal. The opening end shutting of an optical shutter device is synchronized to the displaying of the selected images so that only the data image is perceived by the authorized user viewing the display device through the optical shutter device, and a gray image is perceived by an unauthorized user viewing the data and mask images directly.