Abstract: Polarization preserving projection screens provide optimum polarization preservation for 3D viewing. The projection screens additionally provide improved light control for enhanced brightness, uniformity, and contrast for both 2D and 3D systems. Generally, the disclosed method for providing a projection screen comprises stripping an optically functional material from a carrier substrate, thus creating engineered particles from the optically functional material. The engineered particles may then be deposited on a second substrate to create a substantially homogeneous optical appearance of the projection screen.

Abstract: Provided is a reflective screen. The reflective screen can be widely and commercially used, easily manufactured at low costs, and realize a sufficient reflection image. The reflective screen includes a substrate, a light diffusion layer in front of the substrate, a light reflecting material reflecting projection light, a light absorbing material absorbing external light, and a light absorption reflection layer containing at least the light reflecting material and the light absorbing material together. The light absorption reflection layer being disposed in the rear of the substrate.

Abstract: A projection screen includes a base sheet, a surface roughness structure, a reflective layer, and a light absorption layer. The base sheet has a first side and a second side opposite to the first side. A plurality of first surfaces and second surfaces are formed on the first side, each first surface faces an optical projection system, and each second surface is disposed between two adjacent first surfaces and forms an angle with respect to a neighboring first surface. The surface roughness structure is formed on at least the first surfaces and capable of diffusing a light beam to a limited extent. The reflective layer is formed on the surface roughness structure and capable of reflecting most of the light beam diffused by the surface roughness structure to a limited extent towards a limited viewing cone, and the light absorption layer is formed on the second surfaces.

Abstract: Provided is a light control film and displays incorporating same. In particular, provided are light control films comprising a light input surface and a light output surface opposite the light input surface. The light control films further comprise alternating transmissive and absorptive regions disposed between the light input surface and the light output surface. Each transmissive region has an index of refraction N1, and each absorptive region having an index of refraction N2, where N2-N1 is not less than?0.005. The light control films have an average pitch of successive absorptive regions of 0.070 mm or less. Light incident to the light input surface exits the light output surface with a maximum relative brightness ratio (RBR) in a direction perpendicular to the light output surface of 65 or greater, and exits the light output surface with an effective polar viewing angle (EPVA) of 45° or less.

Abstract: An apparatus and method for producing a screen is provided. The method includes propelling a quantity of paint comprising metallic flakes, such as aluminum flakes, toward the screen. The method also includes applying at least one magnetic field in a vicinity of the screen, wherein applying the at least one magnetic field causes at least one metallic flake in the quantity of paint to be oriented relative to the screen in a substantially preferred orientation, thereby producing a screen exhibiting beneficial projection qualities, such as brightness. The magnetic field(s) applied may be unsymmetric in the time domain of, for example, an AC component of the magnetic field.

Abstract: Polarization preserving projection screens provide optimum polarization preservation for 3D viewing. The projection screens additionally provide improved light control for enhanced brightness, uniformity, and contrast for both 2D and 3D systems. Generally, the disclosed method for providing a projection screen comprises embossing at least a first side of a first substrate to produce an optically functional material and then cutting the optically functional material into pieces to produce a plurality of engineered particles. The plurality of engineered particles may then be deposited on a second substrate to produce a substantially homogeneous optical appearance of the projection screen.

Abstract: Polarization preserving projection screens provide optimum polarization preservation for 3D viewing. The projection screens additionally provide improved light control for enhanced brightness, uniformity, and contrast for both 2D and 3D systems. Generally, the disclosed method for providing a projection screen comprises stripping an optically functional material from a carrier substrate, thus creating engineered particles from the optically functional material. The engineered particles may then be deposited on a second substrate to create a substantially homogeneous optical appearance of the projection screen.

Abstract: A projection system includes: a projection device mounted at a member that moves through space and projects an optical image; a detection device that detects relative position assumed in the space by a projection target surface onto which the optical image is projected and the projection device; and a control device that controls projection by the projection device in correspondence to the relative position detected by the detection device.

Abstract: An apparatus (e.g. a display) including a display substrate and a waveguide. The waveguide may guide ultraviolet light from the light source onto the display substrate. The display substrate may include light emitting material configured to emit visible light in response to absorption of the ultraviolet light.

Abstract: A two way mirror system usable for an advertisement device includes a half-mirror having a light transmission function and a reflection function. A logo plate in a shape of an engraving or pattern in relief or intaglio is provided on a front face thereof and a two way screen through which a rear projected image can be viewed from both a front and rear face is provided on a rear face thereof. A single advertising device thus provides a logo advertising using a logo plate and reflected outside light during the day and an image advertisement viewable outside during night time, with inside viewing with double the usual brightness of a reflecting screen.

Abstract: A projection screen includes a base sheet, a surface roughness structure, a reflective layer, and a light absorption layer. The base sheet has a first side and a second side opposite to the first side. A plurality of first surfaces and second surfaces are formed on the first side, each first surface faces an optical projection system, and each second surface is disposed between two adjacent first surfaces and forms an angle with respect to a neighboring first surface. The surface roughness structure is formed on at least the first surfaces and capable of diffusing a light beam to a limited extent. The reflective layer is formed on the surface roughness structure and capable of reflecting most of the light beam diffused by the surface roughness structure to a limited extent towards a limited viewing cone, and the light absorption layer is formed on the second surfaces.

Abstract: A reflective type screen using a spacer layer and that includes a light blocking layer blocking an incident light, a reflective layer formed on the light blocking layer to reflect the incident light, a diffusion layer formed on the reflective layer to diffuse the incident light, and at least one spacer layer formed between the reflective layer and the diffusion layer to have a refractive index differing from that of an adjacent layer to refract the incident light.

Abstract: Provided is a display member containing: an display layer which exhibits a structural color and contains spherical bodies and a matrix; and a reflective interface which reflects a light transmitting through the display layer, wherein the reflective interface is made between the display layer and a reflective interface forming layer which is provided in contact with the display layer; and a refractive index of the spherical bodies na, a refractive index of the matrix nb and a refractive index of the reflective interface forming layer nc satisfy the following Formulas (1) and (2): 0.35<nc/na<1.00,??Formula (1) 0.35<nc/nb<1.00.

Abstract: A Fresnel lens screen 20 is comprised of a light entering surface partial total reflection type Fresnel lens 24, a first light diffusing part 26 disposed behind the Fresnel lens, and a first base 25. An image display element 30 disposed behind the Fresnel lens screen 20 has a lens element 31, a second base 32, and a third base 35. Second light diffusing parts 33 are disposed behind the second base 32. Each of the second light diffusing parts 33 includes two types of particulates having different particle sizes which are distributed therein.

Abstract: A reflection-type projection screen is provided having uniformly high gain over a wide range of viewing angles. The projection screen includes a dual-purpose light reflective, supportive substrate including at least one unpigmented flash-spun plexifilamentary film-fibril sheet having a light reflectance of greater than about 85% and a gloss of less than about 10% when measured at a 60° incident angle, and an optical diffusion layer of a light transmissive melt-processible polymer containing diffusion-enhancing particles covering at least one surface of the substrate. The projection screen has an optical gain of between about 0.90 and about 2.0 and the optical gain deviates by no more than about 8% over viewing angles between ?60° and +60°. The projection screen has good drapeability, rollability the ability to lay and hang flat. The projection screen can also be recycled.

Abstract: An apparatus (e.g. a display) including a display substrate and a waveguide. The waveguide may guide ultraviolet light from the light source onto the display substrate. The display substrate may include light emitting material configured to emit visible light in response to absorption of the ultraviolet light.

Abstract: Polarization preserving projection screens provide optimum polarization preservation for 3D viewing. The projection screens additionally provide improved light control for enhanced brightness, uniformity, and contrast for both 2D and 3D systems. Generally, the disclosed method for providing a projection screen comprises stripping an optically functional material from a carrier substrate, thus creating engineered particles from the optically functional material. The engineered particles may then be deposited on a second substrate to create a substantially homogeneous optical appearance of the projection screen.

Abstract: Polarization preserving projection screens provide optimum polarization preservation for 3D viewing. The projection screens additionally provide improved light control for enhanced brightness, uniformity, and contrast for both 2D and 3D systems. Generally, the disclosed method for providing a projection screen comprises embossing at least a first side of a first substrate to produce an optically functional material and then cutting the optically functional material into pieces to produce a plurality of engineered particles. The plurality of engineered particles may then be deposited on a second substrate to produce a substantially homogeneous optical appearance of the projection screen.

Abstract: An electro-optic display apparatus includes a first electrode, a second electrode, an electro-optic material, and an insulating layer. The second electrode faces the first electrode to form an electric field in cooperation with the first electrode. The electro-optic material is disposed between the first and second electrodes. The insulating layer is arranged on a surface of at least one of the first electrode and the second electrode and contacts the electro-optic material. The electro-optic material includes a non-polar solvent forming a continuous phase, and a polar solvent dispersed in the non-polar solvent to form a droplet controlled by the electric field.

Abstract: A projector includes a light diffusing unit that is vibratably provided to diffuse incident light by a vibration and to emit diffused light, the light diffusing unit having a unique resonance frequency, a vibration generating unit that has a piezoelectric element for vibrating the light diffusing unit, and a control unit that controls the vibration generating unit to vibrate the light diffusing unit at a frequency corresponding to the unique resonance frequency of the light diffusing unit. An image is displayed using the diffused light emitted from the light diffusing unit.

Abstract: A screen includes: a substrate; and a first color material layer disposed on one surface of the substrate, wherein the first color material layer includes a first color material adapted to absorb light with a part of wavelengths of an incident light, and the first color material has a peak absorption wavelength in a visible light range, and a size of causing Mie scattering on the light in the visible light range.

Abstract: A color-tunable, reflective, paper-like display utilizes the unique optical properties of nano-engineered metal and metal-dielectric composite structures that exhibit a plasmon resonance. By changing the dielectric properties of a medium in which these structures are embedded, or by changing the spatial relationship of these structures, their optical absorbance and scattering spectra can be tuned. This enables simpler pixel architectures with better performance than is possible with fixed-color technologies. Low power video rate operation can be achieved in a paper-like display.

Abstract: A floor projection screen to be installed in front of department stores, shops, shopping malls, and a method for manufacturing the same are disclosed. The floor projection screen is formed by overlapping a hard screen material, which is obtained by mixing white cement with a light diffuser such as glass beads, silica, etc. having a particle of 400 to 800 mesh, or by mixing plastic resin with white cement, calcium material, pigments, etc., and a soft material such as urethane, rubber, or non-woven fabrics, thereby achieving vivid imaging, an anti-skid function, and durability for friction.

Abstract: Provided is an electrophoretic display device. The electrophoretic display device includes a first substrate and a second substrate forming a space receiving electrophoretic particles, and a first electrode and a second electrode formed on the first substrate and the second substrate respectively. The electrophoretic particles include reflective particles having a first electric polarity and reflecting a first light in visible wavelength bands, and light emission particles having a second electric polarity and emitting a second light by an optical stimulation. The first and second lights are in a substantially same color range of wavelength in a same pixel region.

Abstract: A electrophoretic display includes a first electrode comprising a plurality of nanoparticles, a second electrode opposite to the first electrode and forming an electric field with the first electrode, and an emulsion interposed between the first electrode and the second electrode. The emulsion comprises a non-polar solvent forming a continuous phase of the emulsion, and a polar solvent dispersed in the non-polar solvent of the emulsion and forming droplets controlled by the electric field.

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: An electrophoretic display device includes a plurality of pixel electrodes arranged on a lower substrate, and an upper substrate having a common electrode that covers an entire area corresponding to a display surface. The electrophoretic display device further includes an electrophoretic ink layer having a plurality of cavities. Each of the cavities contains suspension fluid and a plurality of charged pigment particles dispersing in the suspension fluid. The electrophoretic display device also includes a plurality of pixel units, each of which includes three of the plurality of cavities. Each of the three cavities contains the black particles and particles of the red particles, green particles, or blue particles, respectively.

Abstract: A cinema screen may include a housing including at least one of wood and polymer and configured to hold the cinema screen by at least one of gluing and pinching. The screen may include a metalloplastic multi-layer film coupled to the housing and have a relatively small thickness. The multi-layer film may also have a bottom layer that may be translucent and other layers of multi-layer film may be transparent. The screen may also include a plurality of lamps to provide light. The multi-layer film may be configured to diffuse the light, which may be softly filtered thereby to reduce contrasts, and increase a quantity of light information in front of and behind the cinema screen. The light information may vary with a greater softness. The multi-layer film may also be configured to provide relief image playback accuracy.

Abstract: The present invention generally relates to a laminated image panel and a fabrication method thereof for projecting images projected from an image optical engine, on a screen by reflecting and/or transmitting the images. The laminated image panel in accordance with the present invention comprises front elements, rear elements disposed in opposition to the front elements, sealants for forming a predetermined cell by mutually bonding opposed rim parts of the front elements and the rear elements and for sealing the front and rear elements by separating the front elements from the rear elements at certain intervals, and a diffusing medium injected into the cell and uniformly diffusing the projection images in transparent and/or semitransparent state.

Abstract: A display has a screen which incorporates a light modulator. The screen may be a front projection screen or a rear-projection screen. Elements of the light modulator may be controlled to adjust the intensity of light emanating from corresponding areas on the screen. The display may provide a high dynamic range.

Abstract: A screen that receives projected light beams to display an image includes: a plurality of light-transmissive plates having optical transparency; a fluid that is disposed within a light scattering space formed between the light-transmissive plates and contains at least one of gas and liquid; and scattering components that are disposed within the light scattering space and are deformable according to an atmosphere change of the fluid.

Abstract: A screen according to the present invention includes: a retroreflective layer, which has a front side and a rear side with an array of corner cubes; a low-refractive-index layer, which is made of a substance with a lower refractive index than the retroreflective layer; and a light absorbing layer for absorbing at least a part of the light that has been incident on the retroreflective layer on the front side thereof and then directed toward the low-refractive-index layer through the rear side thereof. In one embodiment, at least a portion of the light absorbing layer faces the array of corner cubes of the retroreflective layer with the low-refractive-index layer interposed between itself and the retroreflective layer.

Abstract: A display has a screen which incorporates a light modulator. The screen may be a front projection screen or a rear-projection screen. Elements of the light modulator may be controlled to adjust the intensity of light emanating from corresponding areas on the screen. The display may provide a high dynamic range.

Abstract: A reflective type screen using a spacer layer and that includes a light blocking layer blocking an incident light, a reflective layer formed on the light blocking layer to reflect the incident light, a diffusion layer formed on the reflective layer to diffuse the incident light, and at least one spacer layer formed between the reflective layer and the diffusion layer to have a refractive index differing from that of an adjacent layer to refract the incident light.

Abstract: A controller for a display having a screen which incorporates a light modulator. The screen may be a front projection screen or a rear projection screen. Elements of the light modulator may be controlled by the controller to adjust the intensity of light emanating from corresponding areas on the screen. The display may provide a high dynamic range.

Abstract: A projection screen reduces laser speckle. Cells having non-zero volume are arranged on the projection screen so as to receive laser light. The cells are at least partially filled with a light scattering media. The laser light enters the cells and is spatially scattered. The light emerging from the cells includes many phase fronts with a more random polarization state. Speckle is reduced as a result. The cells are oriented to reduce lateral movement of light from one cell to another, thereby reducing blooming that would otherwise occur.

Abstract: Provided is a reflective screen. The reflective screen can be widely and commercially used, easily manufactured at low costs, and realize a sufficient reflection image. The reflective screen includes a substrate, a light diffusion layer in front of the substrate, a light reflecting material reflecting projection light, a light absorbing material absorbing external light, and a light absorption reflection layer containing at least the light reflecting material and the light absorbing material together. The light absorption reflection layer being disposed in the rear of the substrate.

Abstract: A light diffusing sheet (21) including a main body. The main body is made of a transparent resin matrix material (211), and a plurality of first light diffusion particles (212) and a plurality of second light diffusion particles (213) dispersed in the transparent resin matrix material uniformly. A refractive index of the second light diffusion particles is greater than that of the first light diffusion particles. The light diffusing sheet has improved light diffusing capability.

Abstract: Various embodiments of moving between light interaction states are disclosed.

Abstract: The backprojection and/or projection screen comprises at least a first substrate joined to a scattering layer producing a subsurface effect, which offers a resolution of at least 5×103 dpi, the image being able to be displayed without blurring at a viewing angle of 180° on both faces of the screen.

Abstract: A transmission screen having a writable and erasable surface for one side is provided. This transmission screen is constructed so that the writable and erasable surface should have a specular gloss (JIS K5600-4-7:1999) of 70 to 135%, the transmission screen as a whole should have a haze (JIS K7136:2000) of 80% or more, and the surface opposite to the writable and erasable surface should have a specular gloss (JIS K5600-4-7:1999) of 10% or less. With this transmission screen, writing with a marker for white boards and erasing can be easily done while seeing images projected on the transmission screen, and the images from a projector do not become hard to see due to projection of the images on the body of a writer.

Abstract: A display has a screen which incorporates a light modulator. The screen may be a front projection screen or a rear-projection screen. Elements of the light modulator may be controlled to adjust the intensity of light emanating from corresponding areas on the screen. The display may provide a high dynamic range.

Abstract: In a light modulating plate, a backlight assembly having the light modulating plate and a display device having the light modulating plate, the light modulating plate includes a light modulating layer and a light characteristics improving member. The light modulating layer includes a foam layer to modulate a light. The light characteristics improving member is integrally formed with the light modulating layer to improve optical characteristics of the light that has passed through the light modulating layer. Therefore, the backlight assembly is easily fabricated, and an image display quality is improved.

Abstract: An exemplary optical limiter device (100) has an optically transmissive substrate (102) and a layer (104) on a first surface (106) of the substrate, the layer having a trimetallic nitride endohedral metallofullerene. The layer can be a thin film of the trimetallic nitride endohedral metallofullerene, a layer material with a cavity containing a solution with the trimetallic nitride endohedral metallofullerene, a sol-gel with a trimetallic nitride endohedral metallofullerene, and a self assembled monolayer with a trimetallic nitride endohedral metallofullerene. The layers of trimetallic nitride endohedral metallofullerenes can be vapor deposited, solution deposited and/or self assembled onto optical components. The third-order nonlinear properties of these films provide desired transmission characteristics.

Abstract: Polarization preserving front projection screens and diffusers provide optimum polarization preservation for stereoscopic 3D viewing, as well as improved light control for enhanced brightness, uniformity, and contrast for both 2D and 3D systems. Generally, the disclosed screens direct light from a projector toward viewers within a diffusion locus, while maintaining optimum gain characteristics. More specifically, light incident on a region of the front projection screen from a predetermined projection direction is reflected by an engineered surface to a predetermined diffusion locus after undergoing substantially single reflections. The engineered surface, comprised of generating kernels, is used to optimally diffuse illumination light into a range of viewing angles, within the diffusion locus, with suitable gain profile, while optimally preserving polarization for 3D applications.

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: 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 controlled-depth matrix layer structure is formed by floating a plurality of geometric shapes in a solidifiable liquid, then solidifying the liquid to entrap the plurality of geometric shapes in a layer. Multiple layers of liquid may be used, one or more of which may be solidifiable, so long as the sum of displaced masses of all the layers is greater than the mass of the geometric shapes, thereby causing the geometric shapes to float. The resulting structure after solidification of the solidifiable layer is a solidified layer interconnecting the plurality of geometric shapes, wherein each of the plurality of geometric shapes is within the solidified layer a specified percentage. The geometric shapes are preferably of different sizes, and may be spheres, hemispheres, or other suitable shapes, and may be hollow, solid, transparent or reflective.

Abstract: Viewable images may be displayed from a substantially dark substrate. Light emitting material may be integrated into a substantially dark substrate. The light emitting material may be configured to emit visible light in response to absorption of ultraviolet light. The light emitting material may include a plurality of light emitting particles and each of the plurality of light emitting particles has a diameter less than about 500 nanometers. For example, emitting visible light from a substantially dark substrate may allow for images to be displayed with relatively high contrast. These high contrast images may appear clearer to a viewer and may result in less eye strain by a viewer.

Abstract: In a transmission-type screen and a projection-type display device, which are superior in contrast, a transmission-type screen characterized by including a display plane; a front side layer; and a backside layer having a light-directivity to a light projected from a direction slanted at a predetermined angle with respect to the front side layer thereof, an image being displayed on the display plane when a light is projected from a backside of the screen.