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9039194 Method and device for controlling a video projector in a video projection system comprising multiple video projectors  
Controlling at least one video projector of a video projection system comprising multiple video projectors having a modifiable focal length and adapted to project sub-images. After determining a...
9039187 Illumination optical system and a projector using the same  
The present invention seeks to realize a small etendu illumination optical system, a longer operating life and a higher brightness. The illumination optical system comprises: a laser light source...
9039207 Three dimensional image projector stabilization circuit  
A method for providing a feedback circuit for a three dimensional projector. First and second input devices and a sensor for determining the rotational speed of the second input device are...
9039186 Projector having tilted transmissive substrate and multicolor pixel modulator  
A projector includes: a light source device; a light modulation device adapted to modulate a light beam emitted from the light source device; a light transmissive substrate adapted to transmit the...
9039188 Illumination device, projection device, and projection-type image display device  
Provided is an illumination device which illuminates an illuminated zone with a plurality of coherent light beams having mutually different wavelength ranges, so that it is possible to allow...
9033512 Projection display having LED arrays controlled to turn on/off a same shaped group of LEDs  
A projection type display includes an illumination optical system provided with a light source including, for respective predetermined colors, LED arrays each formed of six LEDs, a light source...
9033530 Phosphor device and lighting apparatus comprising the same  
A phosphor device comprising a carrier member having upper and lower faces; a reflecting member having a side surface portion and a bottom portion, the reflecting member being arranged at the...
9028072 Laser projection system with security protection mechanism  
A laser projection system comprising a laser light and a human body detection module is disclosed. The laser light source emits a laser light. The human body detection module detects a reflective...
9022572 Projection apparatus, computer readable storage medium and control method of projection apparatus  
A projection apparatus includes a time-sharing light emitting device, a display device, a projection optical system, an illuminance sensor and a lighting determination unit. The time-sharing light...
RE45504 Anamorphic illumination of micro-electromechanical display devices employed in multimedia projectors  
Micro-electromechanical display device (“MDD”)-based multimedia projectors (90, 120) of this invention employ an arc lamp (32), a color modulator (42), and anamorphic illumination systems (94,...
9022578 Projection display device  
A projection display device includes light sources having light-emitting elements for emitting lights in R, G, B colors, temperature sensors for the respective colors disposed near the light...
9022577 Light source device and projection display apparatus  
A light source device includes an excitation light source configured to emit and stop an excitation light with a predetermined timing, a fluorescent wheel configured to rotate, the fluorescent...
9019437 Laser based display method and system  
The present invention is directed to display technologies. More specifically, various embodiments of the present invention provide projection display systems where one or more laser diodes are...
9016873 Three dimensional image projector stabilization circuit  
A method for providing a feedback circuit for a three dimensional projector. First and second input devices and a sensor for determining the rotational speed of the second input device are...
9010937 Light source apparatus and image projection apparatus  
A light source apparatus includes a red light emitting device to emit red light; a green light emitting device to emit green light; a blue light emitting device to emit blue light, each of the red...
9013638 Laser based display method and system  
The present invention is directed to display technologies. More specifically, various embodiments of the present invention provide projection display systems where one or more laser diodes are...
9010936 Optical MEMS scanning micro-mirror with anti-speckle cover  
Optical MEMS scanning micro-mirror comprising: —a movable scanning micro-mirror (101), being pivotally connected to a MEMS body (102) substantially surrounding the lateral sides of the...
9004701 Light source unit and projector having such a light source unit  
A light source unit may include a cooling device; a luminescent substance; an excitation radiation source having a laser source; and an optical element arranged between the radiation source and...
9004700 Three dimensional image projector stabilization circuit  
A projector system that includes a first input device, a second input device, a control device, a sensor and a phase locked loop (PLL). A phase reference signal is created based on a signal rate...
9007693 Video wall and mullion elimination lens thereof  
An exemplary video wall includes two display panels and a polygonal mullion elimination lens. Each of the display panels includes a main body and a bezel surrounding the main body. The polygonal...
9004692 Projector having diffusing unit and polarization conversion element  
A projector includes an illumination device having a light source device emitting light, and a polarization conversion element adapted to emit light from the light source device as polarized...
8998424 Micro-projection device with anti-speckle imaging mode  
A micro-projection system for projecting light on a projection surface (104), comprising: —at least one coherent light source (101); —optical elements (102, 108, 109) in the optical path between...
9001402 Variable and serrated scanning in laser projectors  
A miniature projector is provided that comprises: a means for providing at least three different light beams of different color; and a means for scanning the light beams; wherein the scanning...
8998423 Image Projection apparatus  
Assuming that a normal line of an image display surface of a DMD is a normal line Ax of the image display surface, that a direction in which a light beam specularly reflected by a mirror is...
8998421 Projector having polarization conversion  
A projector includes a solid-state light source that emits linearly polarized light, a birefringence element that converts the linearly polarized light emitted from the solid-state light source...
8988765 Laser projection system with improved bit depth  
An apparatus and method for despeckling that includes a green laser diode assembly, a pulsed laser with a repetition rate of less than 100 kHz, and stimulated Raman scattering light formed in an...
8982286 Projection apparatus, projection method and computer-readable storage medium for correcting a projection state being projected onto curved surface  
A chart generation unit generates an adjustment chart, and a projection unit projects the adjustment chart onto a circular cylinder. A parameter acquiring unit acquires 12 parameters in total,...
8974062 Projection apparatus  
A projection apparatus including a casing, a light source module, a fan, and a light engine module is provided. The casing has an inlet and an outlet. The light source module is disposed in the...
8967811 Solid state continuous white light source  
A solid state illumination system is provided as a replacement for conventional arc light, metal halide and Xenon white-light sources for applications in life sciences including, microscopy,...
8960913 Three dimensional image projector with two color imaging  
A system is provided for projecting a three-dimensional image. The system includes a first light source, emitting a light of a first color and a second light source emitting light of a second...
8960918 Light source system for a stereoscopic projection apparatus  
A light source system for a stereoscopic projection apparatus is provided. The light source system has a light source module, a first lens unit, a light splitting element, a color wheel module and...
8960915 Optical element, light source device, and projection display device  
Optical element 10 according to the present invention comprises light guide body 11, surface plasmon excitation means 14 that is provided on the interface with light guide body 11 and that allows...
8960924 Illumination system and projection apparatus  
An illumination system including a light source, a filtering module, a wavelength conversion unit, and a reflection unit is provided. The light source emits an illumination beam. The filtering...
8960919 Image projection device and image projection method  
An image projection device includes a number-of-times measurement section that measures the number of passage times that the scanned laser light has passed through the light radiation members, a...
8960917 Digital light processing projector using laser and light emitting diode  
A digital light processing projector includes a light emitting diode (LED), a laser, a rotatable optical element, a reflector, a first filter, a second filter, a digital micro-mirror device (DMD),...
8955977 Projection-type image display apparatus  
A projection-type image display apparatus includes a color separation element including a color separation surface, a light modulation element configured to receive the light divided by the color...
8955979 Display projector for textual signage  
A projector for displaying textual patterns includes a light emitting matrix and a controller for controlling the light emitting matrix. The light emitting matrix is selectively illuminated to...
8955989 Systems for and methods of creating a visual display associated with a data storage library robot  
Systems for and methods of creating a visual display associated with a mobile robot within a data storage library and libraries including such systems and utilizing such methods.
8955980 Image display apparatus which reduces speckle noise and which operates with low power consumption  
An image display apparatus includes: a laser light source for outputting a laser beam; a diffusion optical element for diffusing the laser beam; a drive unit for oscillating the diffusion optical...
8950869 Three dimensional image projector with two color imaging  
A method for projecting a three-dimensional image, that includes providing a first light source and a second light source. A polarizing beam splitter (PBS) is disposed adjacent the first light...
8944606 Projector having color separation optical system with reflecting curved surface  
A projector includes a light source, a light collection optical system adapted to collect light emitted from the light source, and a light modulation panel adapted to modulate the light collected...
8944610 Image projection apparatus, control method, control program, and storage medium  
An image projection apparatus includes a light source; a projected image outputting unit having multiple mirrors arranged in a matrix, to which radiating light emitted from the light source while...
8944605 Laser projector and method of processing signal thereof  
There is disclosed a laser projector and a method of processing a signal thereof. The laser projector includes a plurality of laser sources configured to generate lasers, a controller configured...
8936369 Illuminator and display unit  
An illuminator includes: a light source section including a laser light source; an optical element through which a laser beam from the laser light source passes; a driving section oscillating the...
8926098 Illumination system and projection apparatus  
An illumination system includes a coherent light source, a phosphor switching module, a beam combining unit and a diffusion switching module. The coherent light source emits a coherent light beam....
8926102 Safety Protection method for laser projection apparatus  
A safety protection method for a laser projection apparatus is provided. The laser scanning apparatus includes a laser source, a laser source driver, a scanning mirror, and a light-outputting...
8926099 Phosphor wheel and illumination system with the same  
A phosphor wheel includes a glass, a first phosphor agent and a first filter. The glass has a first region and the first phosphor agent is coated on the first region for converting a first color...
8926100 Illumination device having improved illumination light symmetricalness and projector having the illumination device  
An illumination device includes a light source including plural light emitting devices arranged in a pattern and that generate and guide light, the light emitting devices having tilted gain...
8911092 Illuminating device, projecting device, and method for controlling projecting device  
An illuminating device for emitting light onto a light modulating element that forms an image in accordance with a modulation signal and irradiates a target to be illuminated with light, the...
8905554 Illumination unit having a plurality of light sources including a light source emitting two or more different wavelengths  
An illumination unit includes a plurality of light sources each including a solid-state light-emitting device configured to emit light from a light emission region including a single or a...