Abstract: A projection screen for use in a projection system that includes an image source, such as a projector, is substantially flexible. In one embodiment, the projection screen includes a film to provide stiffness to the projection screen. In some embodiments, the film may be substantially self-supporting, thereby allowing for easier manipulating of the projection screen, such as when the projection screen is coupled to an application surface. In other embodiments, the projection screen includes a repositionable adhesive. The repositionable adhesive aids the coupling of the projection screen to a desired position on the application surface. For example, a user may couple the projection screen to the application surface in a first position, and, while the projection screen is still coupled to the application surface, adjust the position of the projection screen to a second position, such as by sliding the projection screen between the first and second positions.

Abstract: A lens sheet according to the invention includes a base film, a lenticular lens resin layer, a prism resin layer, and a filling resin layer. The lenticular lens resin layer includes a plurality of cylindrical lenses formed on one surface of the base film and arranged. The prism resin layer includes a plurality of prisms formed on the other surface of the base film and arranged, and has a lower refractive index than the refractive index of the base film. The filling resin layer is filled on a surface of the prism resin layer provided with the arranged prisms and has a higher refractive index than the refractive index of the prism resin layer. Therefore, the lens sheet according to the invention can restrain side lobe light emitted obliquely to the front surface.

Abstract: An optical member comprises a diffusion layer (13) diffusing emitted light from light sources (12), a first light collection layer (15), in which first projecting portions (15a) extending in a Y-direction are arranged at intervals (T1), refracting and collecting incident light from the diffusion layer (13), a first reflection layer (14) having first reflective portions (14a) facing boundaries between the adjacent first projecting portions (15a) and reflecting emitted light from the diffusion layer (13), a second light collection layer (17), in which second projecting portions (17a) extending in an X-direction are arranged at intervals (T2), refracting and collecting incident light from the first light collection layer (15), and a second reflection layer (16) having second reflective portions (16a) facing boundaries between the adjacent second projecting portions (17a) and reflecting emitted light from the first light collection layer (15).

Abstract: A rear projection display device is provided. In an embodiment, the display device includes a laminate screen including a microstructure lamina having a non-planar input surface, a substantially planar output surface and a first index of refraction. The laminate screen further may include a diffusion screen lamina having a substantially planar input surface, an output surface and a second index of refraction. The diffusion screen lamina may be in optical communication with the microstructure lamina. Moreover, the planar output surface of the microstructure lamina and the planar input surface of the diffusion screen lamina may be in facing relationship.

Abstract: An apparatus for casting a patterned surface on both sides of an opaque web. The apparatus includes a first patterned roll, a second pattered roll, and a means for rotating the first and second patterned rolls such that their patterns are transferred to opposite sides of the opaque web while it is in continuous motion. During this process, their patterns are maintained in continuous registration to within at least 100 micrometers.

Abstract: A communication article and system comprising a writing member having a dry erasable front surface and a projection member is disclosed. The projection member includes an asymmetric optical diffuser that scatters light in a first direction with a first viewing angle AH, and in a second direction orthogonal to the first direction with a second viewing angle AV. The ratio AH/AV is at least about 2.

Abstract: A lenticular lens comprises multiple convex unit lenses, two sides of each unit lens being curved surfaces gradually spreading outwardly from the upside (plane of emergence) to the base (plane of incidence) of the unit lens, and these unit lenses are disposed on a base film in parallel with each other. The acute angle ? between a tangent to two curves corresponding to the two sides of the unit lens on its section vertical to the longer direction and a line parallel to the upside (or the base) of the unit lens is in a range represented by the following inequality: 139(d/p)3?176(d/p)2+78(d/p)+74.4 >?>346(d/p)3?469(d/p)2+219(d/p)+45.0 where d is the length of half of the distance between the two curves, and p is the pitch at which the unit lenses are disposed.

Abstract: A screen that reflects light from a projection apparatus to present a projected image includes: a screen substrate; and a plurality of spherical microlenses disposed on the front side of the screen substrate, wherein the microlenses are arranged along a predetermined first direction on the screen substrate to form lens rows, and adjacent microlenses in each of the lens rows have different radii of curvature.

Abstract: An apparatus and method for improving the contrast between incident projected light and ambient light reflected from a projection screen are described. The efficiency of the projection screen for reflection of the projected light remains high, while permitting the projection screen to be utilized in a brightly lighted room. Light power requirements from the projection system utilized may be reduced.

Abstract: A screen of a projector having a substrate and a plurality of asymmetric optical structures is provided. There is a plurality of light absorbing zones and a plurality of reflective zones alternatively disposed on a surface of the substrate facing the projector. The asymmetric optical structures are disposed on the surface of the substrate and correspond to the reflective zones, respectively. The asymmetric optical structure has a first curved surface and a second curved surface, and the first curved surface protrudes toward the projector for converging an incident light from the projector on the reflective zone, and the second curved surface is disposed at a side of the first curved surface away from the projector for refracting a reflective light from the reflective zones toward the normal direction of the surface of the substrate.

Abstract: Briefly, in accordance with one or more embodiments, a display screen for a scanned beam display system comprises an exit pupil expander comprising a reflective layer to reflect an incoming beam from a scanned beam projector to an eyebox. Exit numerical aperture cones emanating from the exit pupil expander resulting from the reflected incoming beam are angularly redirected toward an eyebox disposed near an image plane to result in at least partially overlapping zeroth-order diffraction pattern from multiple spots on the exit pupil expander.

Abstract: A display screen is provided. The display screen may be configured to receive an image from a display device, and includes a first surface with a topography configured to transmit light from the image, and a second surface configured with light reflecting portions and light absorbing portions. The light reflecting portions may be configured to substantially reflect light transmitted from the first surface, and the light absorbing portions may be configured to substantially absorb environmental light.

Abstract: The present invention relates to an optical device for privacy or contrast enhancement of a viewing display. Also disclosed are a system including the optical device and methods of improving privacy or contrast of a viewing display, such as a plasma display panel, a liquid crystal display panel, an inorganic light emitting diode display panel, or an organic light emitting diode display panel.

Abstract: A composite lens structure is disclosed. The composite lens structure includes a diffusion plate and an optical structure formed on the diffusion plate. The optical structure includes a plurality of convex portions arranged in a 2-D matrix along a first direction and a second direction and a plurality of concave portions arranged in a 2-D matrix also along the first direction and the second direction. Each convex portion adjacent to a plurality of concave portions includes a low curvature portion and a high curvature portion higher than the low curvature portion. Each concave portion adjacent to a plurality of convex portions includes a low curvature portion and a high curvature portion lower than the low curvature portion. The convex portions, the concave portions and each junction of the convex portion and the concave portion have a curvature different from 0.

Abstract: A projection type image display apparatus includes an optical engine that emits a light according to image signal, a Fresnel lens on which the light emitted by the optical engine is incident and emitting the light as a parallel light, and a diffusion member that diffuses the parallel light emitted by the Fresnel lens. The projection type image display apparatus further includes a driving unit that moves the Fresnel lens or the diffusion member in a plane parallel to an emitting surface of the Fresnel lens or the diffusion member, a frame the supports the Fresnel lens, the diffusion member and the driving unit, a resilient supporting body that supports a weight of the Fresnel lens or the diffusion member with respect to the frame, and a holding unit that holds the Fresnel lens or the diffusion member so as to be movable in the plane parallel to the emitting surface of the Fresnel lens or the diffusion member.

Abstract: A projection system includes a display apparatus comprising a plurality of tunable Fabry-Perot filters, each of the filters being configured for shifting between a state in which the filter transmits radiation in a bandwidth in the visible range of the electromagnetic spectrum and a state in which the filter transmits radiation in a bandwidth outside the visible range of the electromagnetic spectrum. An illuminator provides light to the plurality of Fabry-Perot filters. A control system receives image data and controls the display apparatus to project an image onto an associated display surface. The control system includes a modulator which provides wavelength modulation signals to the plurality of Fabry-Perot filters to modulate a color of pixels in the image and causes selected ones of the Fabry-Perot filters to shift into the bandwidth outside the visible range to modulate the brightness of pixels in the image.

Abstract: The invention divides the lens focusing process into two or more surfaces that incorporate multiple curved axial optic elements on each surface. The axial optics may be manufactured by molding, machining, or by suspended film. If suspended film is used, then both sides of an optic may have a suspended film that is transparent. Alternatively, one side of the suspended film optic may use a reflective film.

Abstract: A microlens having a plurality of lens material units separated by a plurality of trenches and a method of forming the same is disclosed. The relationship of the trenches to the lens material is such that an average index of refraction of the microlens decreases from a center to an edge of the microlens.

Abstract: A method and system acquire and display light fields. A continuous light field is reconstructed from input samples of an input light field of a 3D scene acquired by cameras according to an acquisition parameterization. The continuous light is reparameterized according to a display parameterization and then prefiltering and sampled to produce output samples having the display parametrization. The output samples are displayed as an output light field using a 3D display device.

Abstract: A main controller sends a “rewrite mode” command to an engine controller. Receiving the command, the engine controller 12 sends a “roger” status. This switches the mode from a print mode to a rewrite mode. In the rewrite mode, the engine controller 12 serves as a master and the main controller 11 serves as a slave, a communication which is necessary for rewriting of firmware takes place between the two, and the firmware is rewritten.

Abstract: A screen includes a screen sheet including a lens array having a plurality of element lenses arranged in a two-dimensional plane on the front side of the screen, a plurality of reflection surfaces disposed on the backside of the lens array, the plurality of reflection surfaces inclined to the two-dimensional plane, and a plurality of scattering portions that scatter the light directed from the plurality of reflection surfaces toward the front side of the screen. At least one of the plurality of element lenses is a combined lens comprised of a set of two lens portions offset from each other obtained by relatively shifting optical axes of the lens portions, and the reflection surfaces correspond to the respective combined lenses.

Abstract: A highly diffusing plastic sheet having a thickness of from 1 to 5 mm, a haze of 80% or more and a total light transmittance of 80% or more, which includes at least one diffuser layer A, two or more diffuser layers B, and optionally a diffusing agent-free layer C. The diffuser layer A is formed from a first matrix plastic and a first light-diffusing fine particle having an average particle size of from 2 to 6 ?m and a refractive index of from X?0.02 to X+0.02 wherein X is a refractive index of the first matrix plastic. The diffuser layer B is formed from a second matrix plastic and a second light-diffusing fine particle having an average particle size of from 10 to 18 ?m and a refractive index of from Y?0.03 to Y+0.03 wherein Y is a refractive index of the second matrix plastic.

Abstract: The ultra-thin rear projection display device described herein includes a wide angle lens system and one or more planar mirrors that are parallel to a screen on which an image is to be displayed. In one embodiment, the screen that has multiple groove angles to provide better illumination than screens with a single groove angle.

Abstract: A bi-stable projection screen includes a light diffusion unit and a bi-stable display unit stacked together. The bi-stable display unit, when actuated, selectively operates in a first mode or a second mode. When operating in the first mode (e.g., a transmission mode or a reflection mode), the bi-stable display unit receives a projection light from a front projection or a rear projection, and emits the projection light after modulation. When operating in the second mode (a non-transmission mode or a non-reflection mode), the bi-stable display unit is a pattern to become a part of a scene. The light diffusion unit receives and diffuses the modulated projection light to be perceived by human eyes.

Abstract: A lens element comprising: a rear substrate having a front surface provided with a surface relief having a plurality of zones each capable of providing a lens effect; a front substrate disposed in front of the rear substrate and having a rear surface provided with a surface relief having a plurality of zones each capable of providing a lens effect, the zones of the surface reliefs provided on the rear substrate and the front substrate having the same spatial arrangement over the area of the lens element; and solid or liquid, isotropic, intermediate material disposed between the front surface of the rear substrate and the rear surface of the front substrate, the intermediate material having a refractive index different from the refractive index of each of the rear substrate and the front substrate. This construction reduces the degree of Fresnel reflection which would otherwise degrade the optical performance.

Abstract: In a camera module having an array lens, a first lens group has at least two lenses. A second lens group has a plurality of lenses corresponding to the lenses of the first lens group, the second lens group stacked below the first lens group and interposing a spacer part therebetween. An image sensor has an imaging region where light passing through the first and second lens groups is imaged. Also, a shielding unit shields portions excluding apertures of the lenses of the first and second lens groups, the shielding unit disposed between the first and second lens groups. The camera module has a lower optical system along an optical axis for smaller size, keeps light refracted from an adjacent lens from affecting an image, blocks leakage of light for imaging and increases definition of the image through signal processing.

Abstract: A packaged container for producing a graphical image. The packaged container includes a container having a side wall defining an interior space and a recessed surface. An interlaced image is provided on the recessed surface, and the packaged container includes a lens element positioned on the side wall to extend across the recessed surface proximate to the printed image and to leave a focusing gap between the lens element and the interlaced image. The lens element includes a plurality of lenses each having a focal point on or about the interlaced image. The lenses have a focal length determined by the thickness of the lens element combined with a depth of the recessed surface as measured from a side of the lens element to the interlaced image. The lens element can be provided in a wrap around label attached to the side wall on both sides of the recessed surface.

Abstract: The present invention is a broadband projection-receiving surface that can function as a projection screen. This surface can, even in strong ambient light, provide high gain, prevent glare and speckle, provide high contrast, preserve of gray-scale linearity, provide a uniformity of brightness, provide rapid angular cut-off, preserve polarization, and provide the ability to function over a large spectral range. These achievements result from a production method that utilizes purposeful partitioning of the material processes used in sub-wavelength morphology (finish) from the processes used to make super-wavelength morphology (figure).

Abstract: A light diffusing film, a screen that utilizes same, and a method of producing same are provided. The light diffusing film provides a high luminance uniform over an overall area with a simple configuration and provides a good visibility. Also a method of producing the light diffusing film as well as a screen in which the light diffusing film is used are disclosed. The light diffusing film includes a base film, and a light diffusing layer formed on a principal surface of the base film and having a group of micro lenses each having a convex or concave shape which has different curvatures from each other along cross sections in a transverse direction and a vertical direction of the principal surface of the base film. The micro lenses individually have optical axes which are inclined toward the position of an assumed viewer forwardly of the light diffusing film.

Abstract: A device for homogenizing light has at least two cylindrical lens arrays which are placed one behind the other in a direction of diffusion of the light to be homogenized and which each have convex and concave cylindrical lenses disposed next to one another in an alternating manner, the cylinder axes of these cylindrical lenses are aligned parallel to one another. In the direction, in which the cylindrical lenses are disposed next to one another, the concave cylindrical lenses of the first cylindrical lens array have a shaping, in particular, an extension or curvature different from that of the concave cylindrical lenses of the second cylindrical lens arrays.

Abstract: An optical plate includes a main body plate, and a plurality of lens patterns formed on a first surface of the main body plate, wherein the lens patterns are elongated in a first direction and arranged in parallel with each other in a second direction crossing the first direction, wherein a cross section of the lens patterns form a part of an ellipse shape, the ratio of a semi-major axis to a semi-minor axis of the ellipse shape ranging from about 1.65 to about 1.75.

Abstract: A screen that transmits a light according to an image signal includes a flat surface, a plurality of light-guide portions arrayed on the flat surface, and a plurality of lens elements. The light-guide portions have a light incident side and an output side. The plurality of lens elements are provided on the flat surface opposite the incident side of the light-guide portions. The lens elements focus the light according to the image signal. Each of the plurality of light-guide portions has a taper form such that a cross section of each of the light-guide portions gradually reduces from the incident side of the output side thereof.

Abstract: In one embodiment, a sub-pixel rendering method includes receiving 3D image data associated with pixel intensity values of N two-dimensional images having multiple sets of corresponding pixels. Each set of corresponding pixels includes N pixels (one pixel from each of N images) and each pixel has a green sub-pixel, a red sub-pixel and a blue sub-pixel. The method further includes mapping, for each selected set, N green sub-pixels, N red sub-pixels and N blue sub-pixels to M sub-pixels on a display to form a stereogram of the scene. The above mapping includes mapping N green sub-pixels from N images to N green sub-pixels on the display, mapping N red sub-pixels from N images to L red sub-pixels on the display, and mapping N blue sub-pixels from N images to K blue sub-pixels on the display, where L does not exceed N and K is lower than N.

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: A lens array sheet, a transparent screen using the same, and a rear-projection display device are provided in which it is possible to control a perspective angle for the image in both a horizontal direction and a vertical direction without causing a problem in that a gain of a light is reduced by an optical absorption and an S/N ratio is reduced by an increased white dispersion. First lens and second lens arrays are formed by disposing a plurality of half-cylindrical lenses in parallel on a common plane such that longitudinal directions of the cylindrical lenses should be orthogonal to each other. A unified lens array layer and a shading layer in which a section through which a light does not transmit is formed on a focal plane of the lens array layer form a lens array sheet. Furthermore, fresnel lenses are combined so as to form a transparent screen.

Abstract: A wide-viewing-angle lenticular lens sheet and a production method therefore. The lenticular lens sheet (1) comprises a plurality of lenticular lenses (11) disposed on one surface of a translucent substrate, and convex lenses (12) disposed on the other surface of the translucent substrate each at a condensing position to which light from a lenticular lens (11) is condensed. External light absorbing units each consisting of only slant surfaces (13a, 13b) are disposed on the other surface of the translucent substrate at positions different from those of the lenses (12).

Abstract: In a diffusion sheet 101, a plurality of approximately trapezoidal columnar unit lens portions 11 are disposed such that the long-axis directions thereof are in parallel with each other, and all the surfaces of the unit lens portions, which correspond to the long bottom segments 112 of the approximately trapezoidal sections of the unit lens portions 11 are disposed on a light-incident-side flat surface. Further, light absorbing portions 12 are disposed in the grooves betweenadjacent unit lens portions 11 to absorb and/or shield external light incident from a light outgoing side. In the diffusion sheet 101 arranged as described above, light incident on the unit lens portions 11 from a light incident side is totally reflected on the surfaces corresponding to the side segments 111 of the approximately trapezoidal sections vertical to the long-axis direction of the unit lens portions and outgoes from the light outgoing side.

Abstract: An optical member enables a display apparatus to be improved in visibility of its display screen as viewed from a plurality of predetermined directions other than the directly forward direction. The optical member includes a lenticular lens member (3) having a plurality of convex lenses (2) and a light-reflecting layer (5) disposed on the back surface of the lenticular lens member. The light-reflecting layer (5) is provided with optical windows (6) each at a position corresponding to a midpoint between the apexes of mutually adjacent convex lenses. Light emitted from a planar light source, passed through each optical window (6), and configured to enter the mutually adjacent convex lenses (2) corresponding to the optical window is directed in mutually different directions by the mutually adjacent convex lenses, respectively.

Abstract: Projection screens include a substrate, a reflective layer on the substrate and a refractive layer on the substrate. The refractive layer includes an array of anamorphic microlenses.

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: An imaging material has been developed which provides improved image contrast, increased gain and increased viewing angle. A method for production of the screen element is also described. The imaging material of the invention includes a refractive optical element which redirects incident light along a desired axis, a light transmissive focusing region which diffuses the light along the desired axis, and a controlled light-transmissive region which controls backscatter and increases contrast. The refractive optical element desirably includes an active surface such as a lenticular array embossed thereon which serves to redirect incident light as desired. The focusing region desirably is made of a matrix material having a refractive index n1, having dispersed throughout the matrix asymmetric micro-bodies that have a refractive index n2 different from n1. The controlled light-transmissive region may desirably comprise an alternating black stripe and transparent region.

Abstract: A container for producing a graphical image. The container includes a container wall with front and rear portions. A label is included that extends about the circumference of the container with an inner surface contacting an exterior surface of the rear portion of the container wall and contacting an exterior surface of the front portion of the container wall. The label includes a block out grid made up of alternating block out lines and transparent viewing gaps on the outer or inner surface of the label. The view gaps provide a line of sight to subset of the segments of an interlaced image provided on or proximate to the rear portion of the container wall when the block out grid is positioned near the front portion of the container wall. The label may be used to create an air gap between the block out grid and the interlaced image.

Abstract: An apparatus, system, and method for a front-projection screen having a subsurface diffusion target are disclosed herein.

Abstract: A multi-region light scattering element with the optical characteristics of low speckle, high resolution high contrast, and high gain when used as an imaging element without any resulting loss of transmission or brightness with viewing angle. The multi-region light scattering element contains at least one region asymmetrically shaped light scattering features that are separated from a second light scattering region by a non-scattering region. In one embodiment, one or more of the regions contains particles that are asymmetrically shaped that improve the optical performance. In one embodiment, asymmetric particles are located in two regions separated by a non-scattering region with the particles within each region substantially aligned along an axis and the two axes are substantially perpendicular to each other. Methods for production of the screen element are also described.

Abstract: The present invention provides an optical member having excellent anti-reflection properties, capable of being produced inexpensively as compared with conventional optical members having anti-reflection properties and of being mass-produced with quality kept constant. An optical member 1 has a plane of incidence 3 and a plane of emergence 5. The plane of emergence 5 has, as an optical element, prisms 2 by which the optical path of incident light (see symbol X) is changed. The plane of incidence 3 has a plurality of minute concavities 4 (see FIG. 2) by which reflection of incident light is prevented.

Abstract: A system constructs an image using virtual lenslets.

Abstract: A rear-projection screen comprises an optical unit, a light-blocking layer, and an optical lens. The optical unit has a first surface and a second surface. The first surface is opposite to the second surface. The first surface has a plurality of cylindrical convexes and the second surface has a plurality of irregular protruding parts. The light-blocking layer adjoins to the second surface and has a plurality of striped light-absorbing units. The optical lens is disposed adjacent to the optical unit.

Abstract: In an optical sheet which is used for light control illumination in a backlight unit for a display, in order from an incident side of an illuminating light, there are provided at least a light scattering layer which scatters the illuminating light toward an outgoing surface side, an adhesion layer or an adhesive layer, a light reflection layer which reflects light scattered by the light scattering layer toward the light scattering layer side, and a lens sheet whose flat rear face is fixed to the other side of the light reflection layer, and in which a plurality of unit lenses are disposed on the surface. Opening portions corresponding to the respective unit lenses one-to-one are provided to the light reflection layer, and thickness of the adhesion layer or the adhesive layer is thinner than that of the light reflection layer.

Abstract: An image projection system projects an image on a projection screen having a phosphor for converting incident violet light into green light which, together with red and blue light, creates the image in full color. The screen includes an apertured mask having apertures filled with the phosphor, or a phosphor plate in contact with the mask and having lenslets extending through and past the apertures.

Abstract: A stereoscopic display device is provided. The stereoscopic display device includes an optical waveguide member and a first main surface and a second main surface. The first and second main surfaces face each other. A first light path changing member is provided on at least one of the first and second main surfaces, and is operative to change the path of light guided by the optical waveguide member. A second light path changing member is provided on at least one of the first and second main surfaces, and is operative to change the path of the light guided by the optical waveguide member. A reflector body is disposed so as to face the second main surface and reflects the light emitted from the second light path changing member to the first main surface.