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7426072 |
Display system
One embodiment of a display system includes an array that defines multiple, movable reflective devices on a front surface of the array, and multiple immovable reflective regions each aligned along...
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7411717 |
Micromirror device
A spatial light modulator comprises an array of micromirror devices each of which has a reflective and deflectable mirror plates. The mirror plates are moved between an ON and OFF state during...
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7408707 |
Multi-region light scattering element
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...
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7407291 |
Micromirror projection of polarized light
The micromirror-based projection system of the present invention uses polarized illumination light in producing desired images on a display target. The display target has coated thereon a...
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7405856 |
Display system timing control method
A display system includes a light source 110 and a spatial light modulator 122 located to receive light from the light source. The spatial light modulator (e.g., a DMD) includes a number of...
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7401925 |
Image projection system
An image projector system includes an LED controller and first and second LEDs, a dichroic mirror. The LED controller controls the first and the second LED to emit first and second color lights,...
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7400438 |
Micro-electro mechanical device, micro-electro mechanical device array, light modulation device, micro-electro mechanical light modulation device, micro-electro mechanical light modulation device array and image forming apparatus using the same
A transition time is a time from a state where a movable portion has been rotationally displaced in the first direction and stopped to a state where driving portions apply the physical action...
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7397517 |
Display system and signal processing using diamond-shaped DMDs
An imaging system 10 includes an image source providing an image having a resolution of X by Y pixels. The system also includes a digital mirror device 16 that includes an array of mirror...
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7396132 |
Prism assembly for use in optical devices and projector comprising such a prism assembly
A prism assembly for use in optical devices, which includes a total internal reflection (TIR) assembly for redirecting an incoming lightbeam, a color prism assembly for splitting the incoming...
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7394597 |
SLM projection display with series DMD illuminator
The addition of DMD illumination modulator(s) 702 in series with projection SLM(s) 706/709 to produce high-performance projection displays with improved optical efficiency, reliability, and...
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7380945 |
Color micro-mirror projectors
A micro-mirror projector ( 2 ) includes a light source ( 100 ), a converging member ( 200 ), a color wheel ( 300 ) having red, green and blue segments, a shaping member ( 400 ), a micro-mirror chip...
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7372620 |
Micromirror and micromirror device
There is provided a micromirror which includes a holding unit, a mirror that is held by the holding unit to be pivotable about a rotation axis of the mirror, a first fixed electrode group including...
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7372613 |
Method and device for multistate interferometric light modulation
A multi-state light modulator comprises a first reflector. A first electrode is positioned at a distance from the first reflector. A second reflector is positioned between the first reflector and...
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7360905 |
Compact optical engine for very small personal projectors using LED illumination
According to various illustrative embodiments of the present invention, a device for a light projection system includes a single light emitting diode array comprising at least one green die, at...
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7357519 |
Optical projection device
An optical projection device including a light source, a housing, an imaging unit, a projection lens and a dust protection device is provided. The light source is adopted for providing a light...
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7357510 |
Projection-type 3-D image display device using single projector
A projection-type 3-D image display device includes a single display element, a polarization conversion switch, a first image shifter, a second image shifter, a projection lens unit, a mirrored...
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7354157 |
Image display device and light source device
An image display device includes a laser light source, a wavelength conversion element converting a wavelength of a light beam emitted from the laser light source into a predetermined wavelength,...
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7350929 |
Method for controlling a lighting device
A method for controlling a lighting device that consists of at least a lighting source, a color sequential device and a single light valve consisting of an array of light processing elements that...
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7344256 |
Projection type image display apparatus
A DMD (digital micromirror device) includes a substantially rectangular element face made up of plural mirror elements arranged in a matrix. The DMD is provided with a light shielding cover having...
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7334900 |
Three-dimensional image projecting apparatus
The invention provides a three-dimensional image projecting apparatus. The three-dimensional image projecting apparatus comprises a light signal generator, a filter device, a focusing device and a...
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7322702 |
Projecting display apparatus
A projector engine is provided with an illuminating optical system having an optical axis in parallel with a horizontal direction of a screen and a projecting optical system having an optical axis...
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7322700 |
Image display apparatus
An image display apparatus includes an indicating element which modulates or emits light as a pixel in accordance with image information. A displacement unit optically displaces a position of the...
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7303286 |
Projection display device
In a projection display device that is provided with a relay lens for converting flux that is emitted from a light source to a parallel flux for illuminating an image display element (DMD), and a...
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7301691 |
System and method for generating images
The disclosed embodiments relate to a system and method for generating images. There is provided a method comprising directing light through a projecting lens ( 28 ) at a first pixel position ( 60...
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7300162 |
Projection display
In order to minimize light diffraction along the direction of switching and more particularly light diffraction into the acceptance cone of the collection optics, in the present invention,...
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7290886 |
Illuminating system and method for improving asymmetric projection
An illuminating system and method for improving asymmetric projection includes a light source producing a light beam to form a light path, a projection lens disposed in the light path, a light...
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7290883 |
System and method for projecting video onto a screen
The disclosed embodiments relate to a system and method for projecting video onto a screen. A video unit ( 10 ) may comprise a color wheel ( 14 ), a light source ( 12 ) configured to project light...
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7287865 |
Display optical system
A projection type display optical system is provided to resolve problems of keystone distortion, and to improve illumination efficiency and contrast uniformity of an image. The projection type...
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7281807 |
Positionable projection display devices
Described herein are devices that provide projection-type video output in a portable and flexible design. The design includes a projection chamber, a base, and an interface that permits relative...
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7265892 |
Micromirror array devices with light blocking areas
Disclosed herein is a micromirror array device package having a light blocking area for reducing unexpected light scattering from the surfaces of the posts.
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7262817 |
Rear projection TV with improved micromirror array
In order to minimize light diffraction along the direction of switching and more particularly light diffraction into the acceptance cone of the collection optics, in the present invention,...
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7258451 |
Optical projection device and adjusting method thereof
An optical projection device including an illumination system, a reflective light valve and a projection lens is provided. The adjustable reflection sheet is disposed behind the adjustable rod...
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7253794 |
Display apparatus and method
A display apparatus includes a spatial light modulator, such as a digital micromirror device or an LCD panel, and a lighting unit that illuminates the spatial light modulator. The lighting unit may...
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7252395 |
MEMS device deflection stop
A micromirror array fabricated on a semiconductor substrate. The array is comprised of three operating layers. An addressing layer is fabricated on the substrate. A hinge layer is spaced above the...
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7249856 |
Electrostatic bimorph actuator
An electrostatic bimorph actuator includes a cantilevered flexible bimorph arm that is secured and insulated at one end to a planar substrate. In an electrostatically activated state the bimorph...
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7245327 |
Pulse width modulated display with equalized pulse width segments
A field sequential pulse width modulated display system comprises a digital micromirror device having a plurality of micromirrors that each selectively pivot to reflect light onto a screen to...
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7233427 |
Display system with clock dropping
A display system includes a light source 110 and a spatial light modulator 122 located to receive light from the light source. The spatial light modulator (e.g., a DMD) includes a number of...
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7227594 |
Display device using optical modulator equipped with lens system having improved numerical aperture
Disclosed herein is a display device using an optical modulator equipped with a lens system having an improved numerical aperture. The display device includes numerical aperture reducer for...
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7207677 |
Image display device and projector
A display device using a tilt-mirror device and a projector. The image display device may include a first color-ray light-source for supplying a G-ray, a second color-ray light-source for supplying...
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7187487 |
Light modulator with a light-absorbing layer
A spatial light modulator includes a first region and a second region. A light-absorbing layer contacts at least a portion of the second region. The light absorbing layer includes a first layer and...
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7184192 |
Pattern generator diffractive mirror methods and systems
The present invention relates to an apparatus for creating a pattern on a workpiece sensitive to radiation, such as a photomask a display panel or a microoptical device. The apparatus comprises a...
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7178920 |
Projection display device
In a projection display device that is provided with a relay lens for converting flux that is emitted from a light source to a parallel flux for illuminating an image display element (DMD), and a...
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7175288 |
Projector
A projector includes a lamp, a ballast, a micro controller unit and an optical engine. The lamp emits a light ray. The ballast starts the lamp and selectively outputs an operating power and a...
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7172296 |
Projection display
In order to minimize light diffraction along the direction of switching and more particularly light diffraction into the acceptance cone of the collection optics, in the present invention,...
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7165845 |
Image display device and projector
An image display device and a projector using th image display device includes a tilt-mirror device having a plurality of movable mirror elements. A first color-ray light-source may be arranged so...
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7161608 |
Digital system and method for displaying images using shifted bit-weights for neutral density filtering applications
Disclosed herein are visual display systems and methods capable of having shifted bit-weights in neutral density filtering (NDF) applications. In one embodiment, a method ( 200 ) of displaying an...
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7159989 |
Image display device
The present invention is directed to an image display apparatus comprising an illumination optical system ( 2 ) for illuminating a light valve ( 1 ) including a reflection electrode, and a...
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7156525 |
System and method for managing projector bulb life
Projector bulb life is managed to achieve desired performance parameters, such as a maximum life mode or maximum brightness mode, by sensing bulb luminance and applied the sensed luminance with a...
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7147331 |
Method of driving a spatial light modulator and projector
To reduce the color break-up and to provide high quality projection images. A method of driving a spatial light modulator, including generating a sub-frame pulse signal for a first colored light R...
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7137710 |
Projection system
A method for presenting secondary information to a video-viewing audience comprises projecting video images onto a screen and projecting invisible light signals encoded to represent secondary...
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