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7616368 |
Light concentrating reflective display methods and apparatus
Improved apparatus and methods for displays are disclosed that utilize light concentration array between mechanical light modulators and the viewing surface of the display. The light concentration...
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7614754 |
Optical projection apparatus
An optical projection apparatus including an illumination system, a reflective light valve, an imaging system, and a reflective component is provided. The illumination system is suitable for...
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7614752 |
Image display apparatus and method, and driving apparatus and method
The present invention provides an image display apparatus including a spatial light modulating element formed with a plurality of light modulating elements for each modulating light from a light...
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7611248 |
Projection lens unit and thin projector using the same
A projection lens unit and a thin projector using the same are disclosed. The projection lens unit includes a plurality of lens sets for emitting light carrying an image, and a reflector arranged...
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7591559 |
Image projector and a light source for use in the projector
A light source comprising a prismoidal housing with inclined sides of a flight of steps and with a closed smaller base and an open larger base. The entire inner surface of the housing is made of an...
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7573644 |
Light pipe assembly including a plurality of lenses and related projector system
A light pipe assembly includes a lens set and a holder. The lens set includes a first lens, a second lens, a third lens, and a fourth lens. The first lens has a first surface and a fifth surface...
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7572015 |
Displaying optical system and image projection apparatus
A displaying optical system is disclosed, which is capable of reducing a speckle noise. The displaying optical system comprises a light source emitting coherent light, a scanning device scanning...
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7572014 |
Image display device and adjustment for alignment
An image display device comprises an optical imaging arrangement for providing image information to illumination light and for transmitting the light as an optical image signal; a display for...
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7570404 |
Multi-state optical switch and combiner for use in a light engine and image presentation device using the same
An image presentation device ( 100 ) incorporates an optical combiner ( 130 ) that utilizes a multi-state optical switch ( 131, 137 ) for use with a plurality of colored light sources ( 122,...
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7562985 |
Mirror assembly with integrated display device
A mirror assembly ( 18 ) for displaying an image ( 15 ) in conjunction with the reflection ( 14 ′) of a viewer comprises a mirror ( 2 ), which is equipped with a reflective polariser ( 13 ),...
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7559671 |
Illumination system
An illumination system including a beam splitter, a first lamp, a second lamp, a first reflector, a second reflector, and a light uniforming element is provided. The first and the second lamp emit...
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7557341 |
Optical system and projector utilizing the same
The optical system comprises a light source, a first optical element, a projecting lens, and an electromagnetic-wave sensor. Light from the light source passes the first optical element and the...
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7556382 |
Illuminator that outputs linearly polarized light and that is suitable for use in microdisplay based light engine applications
A hollow sphere with a scattering (e.g., white diffusive) interior surface directs light input from at least one input light source to an exit. The exit has a reflective polarizer that passes light...
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7553031 |
Projection image display apparatus and projection optical unit to be used therein
In a projection type image display apparatus, for enlarging an image on a image display apparatus 1 by means of a projection lens 2 , thereby projecting the enlarged image onto a screen 6 ,...
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7543941 |
Light zoom source using light emitting diodes and an improved method of collecting the energy radiating from them
An apparatus is comprised of a light source radiating into a peripheral forward solid angle and a center forward solid angle. A reflector is positioned to reflect light from the light source from...
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7529032 |
Projection optical system and image display apparatus
A disclosed projection optical system for projecting and forming an enlarged image of an image displayed in a planar manner as an object includes: a lens system including, from an object side, at...
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7517095 |
Image display apparatus
Image display apparatus comprising a projector, at least one primary modulator ( 4,6,8 ) for modulating light, an auxiliary modulator ( 36 ) for modulating the light modulated by the primary...
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7517088 |
Light projector
A light projector, including an elongate housing assembly and a tubular light chamber assembly that comprises a plurality of tubular components and is coaxially enclosed by the housing assembly,...
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7513626 |
Light source device and projection video display device having the same
A light source device ( 18 ) includes a light source ( 1 ) constructed by a light emitter ( 1 a ) surrounded by a reflector ( 2 ); and a supporting member ( 20 ) for holding the reflector ( 2 ),...
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7511773 |
Polarized light conversion apparatus
A polarized light conversion apparatus comprises a polarization device, a light source, a reflection device and a phase changing device. The polarization device includes a light-transmissible body...
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7506986 |
Projection type video display
A light source comprises a lamp such as an ultra-high pressure mercury lamp or a metal halide lamp and its irradiated light is emitted after being parallelized by a parabolic reflector. The...
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7503662 |
Light source device and projector
A light source device has: a light-emitting tube including a light-emitting portion that emits a light beam through electrodes and a pair of sealing portions provided on both sides of the...
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7500758 |
Cameras and video players having image projection capabilities
Projection capabilities are provided in consumer electronic devices that are used for the capture or reproduction of images, such as digital still image cameras, digital video cameras, cellular...
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7494227 |
Image display device and method of controlling image display device
An image display device for displaying an image by a light beam modulated according to an image signal includes: a light source unit that supplies the light beam; a scanning unit for performing...
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7494226 |
Methods and apparatus for controlling projectors
An optical component of a projector is driven with a signal that contains one or more components that act to substantially cancel one or more unwanted oscillatory displacements of the optical...
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7494225 |
Projector including an illumination device with a light cut-off member and rotating prism
A projector includes an illumination device, an electro-optic modulator, a projection optical system, a light source device having an ellipsoidal reflector, a light emitting tube, a collimator...
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7494224 |
Lecture presentation system
A lecture presentation system includes a display screen and a projector for projecting an image onto the display screen. The display screen has image-receiving strip members linked to one another...
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7488077 |
Objective for a projection apparatus, and corresponding front-projection or backprojection apparatus
The invention relates to a projection objective comprising at least one lens and intended to transmit a divergent light beam onto a flat screen. A hyperbolically shaped mirror is oriented so as to...
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7488076 |
Projection display device and projection display system
A projection display device D includes an acquiring means 2 that acquires a pixel value Cg and a depth value Cz for each of a plurality of pixels constituting an image, a light output means 3 ...
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7484850 |
Illuminating device and projector
Aspects of the invention can provide an illuminating device and the like capable of efficiently supplying polarized light in a particular oscillation direction and suitable for a projector having a...
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7481539 |
Apparatus, system, and method for the desktop-based creation, management, and publication of enhanced audiovisual presentations
A software apparatus for the user-friendly, desktop-based authoring, creation, management, and publication of a personal, enhanced audiovisual presentation comprising a software program which...
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7475992 |
Light recycler and color display system including same
A light recycler for use in color projection display systems. The light recycler redirects light reflected by a color wheel of the projection system to increase the light output of the projection...
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7470891 |
Optical device
The optical device 10 includes a light source 13 , a mirror element 12 including a mirror 36 for reflecting light emitted from the light source 13 in a predetermined direction, and a...
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7452086 |
Light pipe based projection engine
A light pipe based projection engine includes a X-prism transmitting substantially light of a useful polarization in an output direction and reflecting substantially light of a non-useful...
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7448761 |
Architecture for a projector
An improved architecture for a projector comprising a light source in the form of a lamp with a curved reflector with a distinctive focal distance for converging the light beam of the lamp; a so...
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7448760 |
Optical system and rear projector
An optical system that projects projection light from an image generating device, onto a screen is provided. The optical system comprises: a lens system on which the projection light from the image...
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7445344 |
Optimisation of the illumination of a projection appliance
In order to align the optical components of a projection apparatus ( 1 ), more particularly a rear projection apparatus of a projection wall, wherein the projection apparatus ( 1 ) comprises a...
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7441909 |
Optical assembly for a projection system
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...
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7436572 |
Micromirrors and hinge structures for micromirror arrays in projection displays
A spatial light modulator is disclosed, along with methods for making such a modulator. The spatial light modulator comprises an array of micromirrors each having a hinge and a micromirror plate...
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7434938 |
Display device movable for front and rear projection
A display device has a screen, a housing, a mirror, and a projector. The housing extending away from one side of the screen and has an opening. The mirror is disposed within the housing. The...
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7431465 |
Apparatus and method to display images from projection device mounted in vertical position
A video projection system has an image deflection device to provide additional mounting options for a projector. The deflection device selectively positions a mirror in front of the projection lens...
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7422346 |
Method of forming a lamp assembly
A method of forming a lamp assembly includes removably coupling a burner assembly to a datum structure, the burner assembly including a fireball, moving the datum structure and the burner assembly...
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7420177 |
High-resolution-imaging system for scanned-column projectors
A system and method for generating a high-resolution image using a scanned-column projector is disclosed. The method includes the operation of generating a time-varying line image. A further...
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7416308 |
Panoramic motion projector
A projector includes a support structure, which supports a light source and an image medium. The image medium is arranged such that light from the light source passes through one or more images...
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7416306 |
Laser projector
A reflection-type laser projector ( 100 ) projects modulated laser beams outputted from a laser projection unit ( 40 ), on a screen, wherein a reflector ( 112 ) as a constituent of the screen ( 110...
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7401930 |
Projection system
A projection system is provided. The projection system includes a light source, a color filter separating light emitted from the light source into colored light, a light-path converter converting a...
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7399093 |
Reflection mirror of projection television and fabrication method thereof
Disclosed is a reflection mirror of a projection television to prevent the frame of the projection television from being deformed and to fabricate the projection television with ease. The...
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7390096 |
Lamp to illumination optics assembly interface
A lamp and illumination optics assembly interface includes an illumination optics mount having a plurality of datum features formed thereon, and a lamp, wherein the lamp is configured to be...
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7377654 |
Projection-type display apparatus and control method for projection-type display apparatus as well as control program for projection-type display apparatus
Exemplary embodiments provide a projection-type display apparatus, which can address or realize a reduction in weight and size, a reduction in power consumption, and a reduction in noise, and...
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7370977 |
Optical projection system and image display device having the same
An optical projection system which creates pincushion distortion of an image and then creates a barrel distortion of the pincushion-distorted image to compensate for the pincushion distortion and...
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