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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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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,...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...

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