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US20080225240 |
PROJECTION SYSTEM AND PLASTIC COLOR WHEEL ASSEMBLY THEREOF
A plastic color wheel assembly includes a motor and a color filtering plate. The color filtering plate is disposed at one side of the motor and is made of plastic A projection system including the... |
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US20110205502 |
PROJECTOR
There is provided a projector at least comprising: a light source; a color wheel; a condensing lens; a spatial light modulator; and a projection optical system, wherein the light source includes a... |
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US20060132722 |
Projection system or lighting device
Projection system or lighting device which is provided of a color sequential device as for example a color wheel (6), a rotating prism or other, wherein the color sequential device consists of a... |
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US20070258057 |
PROJECTION DEVICE AND COLOR WHEEL FOR USE THEREWITH
A projection device comprises a color wheel module, wherein, the color wheel can be detached from the color wheel module. The color wheel module can be detached from the body of the projection... |
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US20110001938 |
Optical projection system
An optical projection system includes a bottom cover, a foundation flat plate, at least one supporting element, a light source module, and an optical engine module. The bottom cover includes a... |
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US20140354960 |
OPTICAL WHEEL DEVICE AND PROJECTION SYSTEM
There is provided an optical wheel device including a motor, a wheel holding member which is fixed to a motor shaft of the motor and which has a recess portion on a surface which is normal to the... |
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US20070273841 |
Projection system and color wheel thereof
A projection system for forming an image, comprising a light source generating light beam; a color wheel used for performing color separation on the light beam of the light source, comprising a... |
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US20060227300 |
Imaging system for projector and corresponding projector
The invention relates to an imaging system for projector comprising: an illumination source producing an illumination beam composed of several colours, termed a white beam, at least one coloured... |
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US20150002825 |
CIRCUIT AND METHOD FOR LIGHTING HIGH PRESSURE DISCHARGE LAMP
It is an object of the present invention to provide a lighting circuit for and a lighting method of a high-pressure discharge lamp whereby remarkable reduction in illuminance maintaining rate can... |
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US20110304659 |
DLP PROJECTOR AND COLOR COMPENSATION METHOD OF BULB OF DLP PROJECTOR
A digital light processing (DLP) projector and a color compensation method of a bulb of the DLP projector are provided. The DLP projector comprises a projecting unit, a sensing unit and a color... |
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US20120050691 |
PROJECTOR
A projector includes: a light source that emits excitation light; a fluorescent body that converts the excitation light into fluorescence; a liquid crystal optical modulation device that modulates... |
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US20080278694 |
COLOR WHEEL MODULE AND PROJECTION APPARATUS USING THE SAME
A color wheel module including a motor, a filter unit, and a magnetic sensor is provided. The motor has a rotating unit. An index mark is disposed on the rotating unit. The filter unit is... |
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US20080117537 |
Optical system and color wheel thereof
A color wheel includes at least two color filters and a light shielding piece. The light shielding piece is disposed between the color filters. Herein, a periphery of a light generated by a light... |
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US20070076174 |
Digital video projection device
Digital video projection device comprising a light source (3) to produce an image building light beam (7), one or more lenses (4), a light valve (5) and a colour wheel (6), characterized in that... |
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US20090009725 |
PROJECTION SYSTEM, OPTICAL SYSTEM THEREOF AND PROJECTING METHOD THEREOF
An optical system for a projector is provided, including a light source generating laser beams, a transforming sheet, a panel, and a lens set. Laser beams from planar light sources penetrate the... |
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US20080143968 |
COLOR WHEEL WITH SIX SEGMENTS
Disclosed is a six-segment color wheel having a coating thereof and including six color sections, which correspond to different colors respectively including a cyan color section. The spoke white... |
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US20080007699 |
Projection system using reflected light from a color wheel
According to one embodiment, a projection system includes a color wheel operable to filter light into a passed component and a reflected component. The projection system also includes a digital... |
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US20060203209 |
Colour-sequential projection system comprising four primary colours
A projection display device comprises an illumination system having a light source providing an illumination beam, a colour filter means comprising four different colour filter segments,... |
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US20140078475 |
FLUORESCENT WHEEL, LIGHT SOURCE DEVICE AND PROJECTOR
A fluorescent substrate includes a base having a reflective surface and a flat bottom surface, and a fluorescent layer disposed on the reflective surface of the base such that the reflective... |
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US20140104583 |
PHOSPHOR COLOR FOIL AND PROJECTION DISPLAY DEVICE INCLUDING SAME
Phosphor color foil 1 comprises glass substrate 2, rotary motor 3 for rotating glass substrate 2, and phosphor (first phosphor) 5 annularly applied on the surface of glass substrate 2. The center... |
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US20120026471 |
PROJECTOR, LIGHTING DEVICE FOR HIGH-PRESSURE DISCHARGE LAMP USED IN THE PROJECTOR, AND METHOD FOR LIGHTING HIGH-PRESSURE DISCHARGE LAMP
The projector uses two lamps, which are high-pressure discharge lamps with the same rated power, as light sources. The projector includes: a first alternating-current generator configured to... |
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US20150116671 |
FLUORESCENCE LIGHT EMITTING ELEMENT, LIGHT SOURCE DEVICE, AND PROJECTOR
A fluorescence light emitting element includes a phosphor layer that includes phosphors and a binder made of an inorganic material. A thermal conductivity B of the binder is larger than 1.88 times... |
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US20060274284 |
ILLUMINATION ARRANGEMENTS FOR COLORED LIGHT SOURCES
Embodiments of apparatuses, articles, methods, and systems for illumination arrangements for combining light paths of colored light sources are generally described herein. Other embodiments may be... |
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US20090046256 |
PROJECTOR AND PROJECTOR CIRCUIT BOARD THEREOF
One embodiment of the invention discloses projector circuit boards comprising an image receiving terminal, a central processing unit, a motor driving module, a DMD and a DMD control module. The... |
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US20060170880 |
Brightness and colour control of a projection appliance
In order to control the brightness and/or the color of a projection apparatus (1), more particularly of a rear projection apparatus of a projection wall, wherein the image generation is based on... |
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US20090115973 |
DETECTING SYSTEM AND METHOD FOR COLOR WHEEL
A detecting system includes a light source, a dichroic prism, a light sensing unit, a processing unit, and a display device. The light source is configured for emitting light to color segments of... |
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US20150077721 |
METHOD FOR DETERMINING A PREDEFINABLE WAVE FORM OF A LAMP CURRENT FOR OPERATING A DISCHARGE LAMP OF A PROJECTION ARRANGEMENT, AND PROJECTION ARRANGEMENT
Various embodiments provide a method for determining a wave form of a lamp current for operating a discharge lamp of a projection arrangement having a color wheel and a ballast, such that a... |
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US20130120717 |
DISCHARGE LAMP LIGHTING APPARATUS AND PROJECTOR
A discharge lamp lighting apparatus for lighting a discharge lamp in which an electric discharge medium, which contains xenon, is enclosed in an electric discharge container, and a pair of cathode... |
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US20070040996 |
PROJECTOR AND BEAM SPLITTER THEREOF
A projector includes an invisible light addressing unit, a light synthesizing plane, a visible light valve, and a projection lens. The invisible light addressing unit includes a... |
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US20100014057 |
COLOR WHEEL AND PROJECTOR USING SAME
A color wheel for use in a projector includes a motor having a rotor, a carrier fixed to the rotor, and a color filter attached to the carrier. The color filter includes a substrate, a plurality... |
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US20090244495 |
COLOR WHEEL HAVING A PLURALITY OF SEGMENTS AND PROJECTOR EMPLOYING THE SAME
A projector includes a light source unit for emitting white light, a color wheel 71, a display device, a cooling fan, a light source side optical system for guiding light from the light source... |
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US20050157274 |
Color projection system
A color projection system includes a light source, a polarization conversion device, a color wheel, a color separation device, and two liquid crystal light valves. The color wheel is segmented to... |
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US20060285084 |
Light source module of a projector and color wheel thereof
A light source module of a projector includes a first light source, a second light source, a light assembly and a color wheel. The first light source and the second light source are used for... |
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US20080002159 |
WAVEGUIDE DISPLAY
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... |
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US20110116051 |
PROJECTION DEVICE FOR ARCHITECTURAL AND ENTERTAINMENT LIGHTING
A projection device embodiment comprises a light source system, a gate with a cross sectional gate area, and projection optics. The light source system includes a solid-state light source... |
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US20070229777 |
Projector using lamp, method and program for controlling discharge lamp light source
A projector comprises an alternating-current-drive lamp, a rotating color wheel which includes color segments for transmitting color lights and is disposed in an optical path from the lamp, the... |
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US20090109407 |
PROJECTOR
A projector includes a light-source unit, a color wheel, and a connecting portion. The light-source unit with a first support structure is configured for providing light beams. The color wheel... |
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US20090268102 |
PROJECTION APPARATUS PROVIDED WITH AN ADJUSTABLE FILTRATION SYSTEM AND METHOD THEREOF FOR ADJUSTING THE COLOUR COMPONENTS OF A LIGHT BEAM
A projection apparatus is described, which is provided with a lamp generating a light beam with a plurality of spectral elements. The projection apparatus comprises at least one band-cut filter... |
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US20060152686 |
Short arc lamp light engine for video projection
A video projection system can utilize an advanced xenon short arc lamp to obtain a bright, high-resolution color image using a sufficiently cost-effective, compact, and lightweight design. An... |
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US20060098170 |
Projection display device with enhanced light utilization efficiency
An objection display device (1) includes an illumination portion for providing an illumination light beam, a light separating portion for separating the illumination light beam into a plurality of... |
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US20090009730 |
Light Recycling in a Micromirror-Based Projection Display System
A digital micromirror projection display system is disclosed in which “off” pixel light is recaptured and recycled. In the disclosed system, a digital micromirror device directs incident light for... |
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US20060279708 |
Electronic display apparatus having adaptable color gamut
A method for adapting an electronic projection apparatus (10) to emulate the color gamut of a second display apparatus characterizes the color gamut (130) of the electronic projection apparatus... |
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US20080079909 |
COLOR WHEEL MODULE FOR USE IN A PROJECTION APPARATUS
A color wheel module for use in a projection apparatus is disclosed. The projection apparatus comprises an optical engine, which comprises a chassis and an electrical socket. The electrical socket... |
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US20150153022 |
LIGHTING DEVICE FOR GENERATING LIGHT BY MEANS OF WAVELENGTH CONVERSION
A lighting device includes at least one excitation radiation source designed to emit excitation radiation; a wavelength conversion arrangement, which is arranged in such a way that excitation... |
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US20070188718 |
Methods and systems for multiple primary color display
Methods and systems for multiple primary color display are provided. Methods and systems of the present invention improve the spectrum efficiency of a color display system, and provide enhanced... |
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US20070216876 |
PROJECTION APPARATUS, PROJECTION METHOD, AND COMPUTER PROGRAM
Light emitted from a lamp enters a color wheel having a region for allowing a predetermined color to pass therethrough, is reflected on a mirror, and enters a DMD. After this, the light is... |
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US20060290900 |
PROJECTOR AND COLOR FILTERING DEVICE THEREOF
A projector includes a light source, a color filtering device, an optical assembly, an imaging component and a lens. The light source is used for generating light beams. The color filtering device... |
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US20090195881 |
IMAGE DISPLAY APPARATUS AND PROJECTOR
An image display apparatus includes a light source that emits light-source light, an illumination system that makes the light-source light uniform, a color separation system that separates... |
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US20140063470 |
COLOR WHEEL DRIVING MOTOR AND DIGITAL-LIGHT-PROCESSING PROJECTOR
A color wheel driving motor includes a magnet arranged radially outward of a rotor holder. The ring-shaped magnet includes n number of N-pole and n number of S-pole and magnetic pole changeover... |
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US20060209269 |
Single light valve projection device and method for projecting images
An improved single light valve projection device comprising: a metal halide lamp which is driven by a direct current (DC); a relay-optic, consisting of an optical assembly; a single light valve... |