Abstract: One embodiment of a projection device includes a modulator that reflects both imaging light and off-state light, and a projection lens including an optical plane, wherein the imaging light and the off-state light are both projected from the modulator to the optical plane.

Abstract: At least first and second narrowband beams of light, respectively of different wavelengths, are concurrently directed onto a modulator respectively at first and second angles of incidence.

Abstract: A projection system is disclosed that has a chromaticity/luminosity module in serial optical communication with a luminosity module. The chromaticity/luminosity module has a pair of chromaticity/luminosity modulators configured to modulate incident light to generate color on a pixel-by-pixel basis. The luminosity module has a pair of luminosity modulators configured to modulate incident light to generate a light image.

Abstract: A projection assembly includes a dichroic beam splitter having first and second crossed dichroic surfaces, at least one interference type light modulator panel optically coupled to the dichroic beam splitter, and at least one filter at least partially between the light modulator panel and the dichroic beam splitter.

Abstract: According to one exemplary embodiment discussed herein, an active color wheel is provided. The active color wheel according to one exemplary embodiment includes a plurality of light sources configured to be moved through a period of motion. Further, the plurality of light sources are configured to be activated over a range of the period of motion.

Abstract: A prism includes a first internal reflection interface and a second internal reflection interface. The second internal reflection interface is crossed relative to the first internal reflection interface.

Abstract: A display system includes a display device and a data processing module. The display device is configured to display an image and has a processing profile associated therewith. The data processing module is remote from and operatively coupled to the display device and is configured to receive input image data for the image to be displayed and generate processed image data from the input image data based on the processing profile of the display device.

Abstract: An optical assembly for a projection system includes an objective lens and a retro-focus lens. Then objective lens and retro-focus lens share one or more lens elements. A method of projecting an image comprises directing light from a light source to one or more modulators and projecting a modulated light beam using an optical assembly that includes an objective lens and a retro-focus lens that share one or more lens elements.

Abstract: A micro-display has a device chip with a transparent layer overlying one or more micro-electromechanical system devices. A transparent cover overlies the transparent layer. An index-of-refraction-matching medium is interposed between the transparent layer and the transparent cover. An index of refraction of the index-of-refraction-matching medium is substantially equal to an index of refraction of the transparent layer and the transparent cover.

Abstract: A light coupling system includes a waveguide, configured to receive light from at least two light sources and to internally reflect light therein; a diffraction grating, disposed upon the waveguide; and a switchable Bragg grating, disposed upon the waveguide. The diffraction grating is configured to couple light from at least one of the light sources into the waveguide, and the switchable Bragg grating is configured to selectively couple light out of the waveguide, such that the light from the at least two light sources is selectively directed along a common projection axis.

Abstract: A system and method for encryption of a holographic image is disclosed. The method includes the operation of producing a beam of light having at least two wavelengths of light. The beam of light can be split to form an illumination beam and a reference beam. Amplitude information can be added to the illumination beam with an intensity control device to form an object beam. Wavelength information can be selected in the object beam to form a spatial color modulated object beam. The reference beam and spatial color modulated object beam can be directed to a predetermined location on the holographic media to interfere to record an interference pattern.

Abstract: Embodiments of an optical device including a capacitively driven flexible membrane are disclosed.

Abstract: Projection assemblies are provided herein for use in a display system. According to one exemplary embodiment, the projection assembly includes an illumination source and a plurality of co-planar modulator panels. A method of modulating light is also provided herein that includes generating multi-component light, splitting the multi-component light into a plurality of component beams, and modulating the component beams with a plurality of co-planar modulator panels to form a plurality of sub-images.

Abstract: An image display device includes an image processing unit, a light source assembly, an optical modulator assembly, and a projection lens assembly. The image processing unit is configured to receive a video signal and generate image data and control signals. The light source assembly and optical modulator assembly are each controlled by the control signals such that the light source assembly generates illumination in a spatial distribution pattern that is coupled to optical modular assembly via a homogenizing device. The projection lens assembly is configured to project an image from the optical modulator assembly onto a viewing surface. The optical modular assembly is configured to maximize the amount of illumination coupled from the light source assembly, and includes at least one optical modulator surface configured to have a substantially 1:1 aspect ratio.

Abstract: A method of reducing stray light contribution of a display system is described. Light rays are directed to at least one pixel of the display system and the light rays are modulated to form modulated light. In addition, the modulated light is directed to display optics, and the reflected light is directed away from the display optics.

Abstract: A prism assembly includes a first prism having a first front face, a first side face, and a first rear face, a second prism having a second front face parallel to the first rear face, a second side face, and a second rear face. The second prism is configured to direct a first component beam through the second side face. The prism assembly also includes a third prism having a third front face parallel to the second rear face, a third side face, and a third rear face. The third prism is configured to direct a second component beam through the third side face. The prism assembly also includes a fourth prism having a fourth front face parallel to the third rear face and a fourth rear face, the rear face being parallel to the first front face. The fourth rear face is configured to transmit a third component beam there through.

Abstract: A beam splitter includes a first member having at least a first dichroic layer, and a second member having at least a second dichroic layer, the first member being crossed relative to the second member.

Abstract: An apparatus includes an electromagnetic radiation source, a reflector about the source having an aperture and a curved filter at least partially across the aperture.

Abstract: A projection system includes a modulator and a field lens. The modulator is to modulate light in accordance with image data. The field lens is to at least partially collect the light modulated by the modulator. The field lens has a number of elements. Each element has a wedged shape different than wedged shapes of neighboring elements.

Abstract: A method and apparatus emits light from multiple light sources and combines the etendue of the light sources such that the etendue is substantially uniformly distributed over an area.