Matches 1 - 50 out of 119 1 2 3 >


Match Document Document Title
US20140300947 DIRECTIONAL PIXEL FOR USE IN A DISPLAY SCREEN  
A directional pixel for use in a display screen is disclosed. The directional pixel receives a planar lightbeam and includes a light propagating layer and a grating to scatter a portion of the...
US20130258451 Spatio-Temporal Directional Light Modulator  
A spatio-temporal directional light modulator is introduced. This directional light modulator can be used to create 3D displays, ultra-high resolution 2D displays or 2D/3D switchable displays with...
US20110063717 HIGH-EFFICIENCY DEVICE FOR FOCUSING LIGHT TO SUBWAVELENGTH DIMENSIONS  
The general field of the invention is that of devices for focusing light to subwavelength dimensions including at least one focusing structure having a metal film provided with a first aperture...
US20130093663 LIGHT DEFLECTOR AND LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME  
A light deflector capable of deflecting light in a predetermined deflection direction and modulating the angle of deflection of light includes a plurality of liquid crystal deflection elements...
US20130168536 PHOTONIC CRYSTAL-METALLIC STRUCTURES AND APPLICATIONS  
A photonic crystal-metallic (PCM) structure receives an input light signal from a light source. The PCM structure includes a metal structure and a photonic crystal structure disposed adjacent the...
US20130027673 SPECKLE REDUCER AND PROJECTION UNIT INCLUDING A SPECKLE REDUCER  
The present speckle reduction device comprises an optical element intended to be passed through by the coherent light beam to be treated. It also includes means able to cause heating of the said...
US20050157377 Portable electronic device with a laser projection display  
A portable electronic device, such as a Personal Digital Assistant (PDA) is coupled with a foldable keyboard and a laser projection device (LPD). The LPD may be controllable to display in a first...
US20120327503 ILLUMINATION CONTROL  
An optical system may include an objective, a source of illumination, an illumination system having illumination optics configured to direct the illumination onto the objective, and at least two...
US20130234935 DISPLAY ASSEMBLY  
A display assembly, comprising: a display device (30); a microlens array (34); and an eye tracker (8), for example a pupil tracker (8), and/or a head tracker; wherein plural pixels (150) or...
US20110141546 TUNABLE NANOWIRE RESONANT CAVITY FOR OPTICAL MODULATION  
A resonant cavity with tunable nanowire. The resonant cavity includes a substrate. The substrate is coupleable to an optical resonator structure. The resonant cavity also includes a plurality of...
US20140016181 OPTICAL DEVICES WITH SPIRAL APERIODIC STRUCTURES FOR CIRCULARLY SYMMETRIC LIGHT SCATTERING  
Optical devices including deterministic aperiodic patterning using spiral arrays exhibit circular symmetry in continuous Fourier space via polarization-insensitive planar diffraction. Far-field...
US20060050419 Integrated wavefront correction module  
An integrated wave front correction module includes an optical surface; a high spatial and temporal frequency correction system for deforming the optical surface to correct for high spatial and...
US20050213192 Apparatus for modulating a light beam  
A modulation spectroscopy system (1) has an acousto-optic modulator (5) providing a pump beam onto a sample. The modulator receives a light beam from a source (4) and diffracts it to provide an...
US20140022619 Observer tracking autostereoscopic display  
A spatially multiplexed autostereoscopic display is arranged to provide landscape and portrait operation. Multiple optical windows may be provided by spatial and temporal multiplexing techniques....
US20070177250 Scanning illumination system and method  
A method and apparatus for the multi-dimensional control of a light source's brightest point over a targeted area is disclosed. Control and drive electronics are presented to the beam-steering...
US20080074621 Micro-mirror device with selectable rotational axis  
A mirror device includes a controller to control and operate a changeover of the direction of the deflection axis of a mirror and/or the deflection direction thereof. And a display apparatus...
US20090225399 Multi-spot scanning system and method  
A multi-spot scanning technique using a spot array having a predetermined gap between spots can advantageously provide scalability to a large number of spots as well as the elimination of...
US20140016051 COMBINED LIGHT MODULATION DEVICE FOR TRACKING USERS  
For comfortable viewing of a 3-D scene at various viewing angles, a display having a large tracking range for a variable viewer distance is required. A controllable light-influencing element...
US20060119961 Driving X and Y mirrors with minimum electrical feeds  
Apparatus and method for providing both a high-speed drive signal for generating and monitoring the scanning sweep of a laser beam and a low speed signal for moving the scanning beam sweep...
US20110013179 CONTROLLABLE LIGHT ANGLE SELECTOR  
A controllable light angle selecting device (100) is provided. It comprises a fixed light selecting means (110) adapted to transmit light incident thereon within a limited acceptance angle,...
US20080252955 STEREOSCOPIC DISPLAY APPARATUS AND SYSTEM  
A stereoscopic display apparatus includes a source of illumination for emitting light, an imaging system for imaging the source of illumination at a viewing region, a spatial light modulator for...
US20080088914 Illumination device and projector  
An illumination device includes: a light source section emitting coherent light; and a phase modulation section onto which the coherent light emitted from the light source section is incident,...
US20100073759 Line-like laser beam flux irradiating apparatus  
A line-like laser beam flux irradiating apparatus comprising a laser source which emits a divergent laser beam flux, a conversion lens which converts the divergent laser beam flux to a parallel...
US20080158653 Laser Projector Display Modules and Arrangements of Components of Laser Projector Display Modules  
A laser projector display module for a handheld device may include an electronics module, a miniaturized light source module electrically connected with the electronics module, a scanner module...
US20130146788 METHOD OF CREATING COLORED MATERIALS BY FIXING ORDERED STRUCTURES OF MAGNETITE NANOPARTICLES WITHIN A SOLID MEDIA  
Compositions and methods wherein ordered structures of photonic nanocrystals are created in a liquid medium and then such structures are fixed by converting the liquid medium to a solid. In...
US20090141327 System and Method for Dynamic Display System Illumination  
A system and method for increasing display brightness in laser illuminated display systems. An illumination source comprises a light source to produce colored light and a scanning optics unit...
US20100073758 OPTICAL GATING SYSTEM USING MOIRÉ EFFECT  
To provide an optical gating system capable of performing single-shot, parallel, and ultrafast gating equal to or less than a subpicosecond, without depending on coherence. The optical gating...
US20090303572 SPECKLE REDUCTION IN IMAGING APPLICATIONS AND AN OPTICAL SYSTEM THEREOF  
Speckle effect in imaging applications is reduced by generating additional speckle patterns on the screen such that the speckle patterns are overlapped and the overlapped speckle patterns average...
US20130201543 OPTICAL ELEMENT WITH SUB ELEMENTS AND AN ADDRESSABLE MASK  
A light modulation device comprising an optical element and at least one addressable mask disposed adjacent to the optical element. The optical element comprises at least two sub-elements, each of...
US20130077024 OPTICAL DEFLECTOR, OPTICAL DEFLECTION APPARATUS, AND LIQUID CRYSTAL DISPLAY APPARATUS USING THE OPTICAL DEFLECTOR AND THE OPTICAL DEFLECTION APPARATUS  
An optical deflector which deflects incident light, includes an optical deflection element which deflects the incident light when a distribution of internal refraction indexes of the optical...
US20090135392 SPATIAL LIGHT MODULATION UNIT, ILLUMINATION OPTICAL APPARATUS, EXPOSURE APPARATUS, AND DEVICE MANUFACTURING METHOD  
This invention relates to an illumination optical apparatus capable of forming a pupil intensity distribution of a desired shape and desired illuminance and, in turn, capable of realizing...
US20080260380 Method of Providing Duplex Optical Communications and Optical Modulator Therefor  
Methods of providing duplex free-space optical, communication comprising receiving a time-shift keying (TSK) encoded signal and selectively re-modulating—and optionally retro-reflecting—received...
US20120170108 DUAL VIEW DISPLAY SYSTEM  
A dual view display system that includes a display device and a first louver device. The display device is configured to display a first image at a display location to a first person at a first...
US20130135708 NON-PLANAR RING RESONATOR FOR PREVENTING EXCITATION OF BACKWARD WAVE IN A PASSIVE TRAVELING WAVE OPTICAL RESONATOR  
An optical traveling-wave resonator that includes a magneto-optically active member through which an optical beam propagates on a non-planar optical propagation path circuit. The resonator further...
US20110063716 METHOD OF MAKING OPTICAL ELEMENT AND OPTICAL ELEMENT  
A method of making an optical element, the optical element including magnetic resonators that are anisotropically shaped and smaller than a wavelength of incident light, includes a first step of...
US20080062491 LIGHT-SOURCE DEVICE, OPTICAL SCANNING DEVICE, AND IMAGE FORMING APPARATUS  
A line-imaging lens condenses a light beam from a light-source unit in one direction to form a line image. An optical deflecting unit deflects the light beam passing through the line-imaging lens....
US20090135488 OPTICAL DEVICE AND WAVELENGTH SELECTIVE SWITCH  
An optical device and a wavelength selector switch are provided. The optical device includes a diffraction grating having first and second planes and first and second reflecting planes located on...
US20090091817 HIGH SPEED PHASE SCRAMBLING OF A COHERENT BEAM USING PLASMA  
A laser beam is modulated at a very high frequency to produce uniform radiant flux densities on substrate surface processing regions during thermal processing. Beam modulation is achieved by...
US20070291348 Tracing Method and Apparatus  
In a tracing method in which tracing is performed by moving a plurality of tracing heads, each including a spatial optical modulation device and an optics system, in a predetermined direction...
US20120140304 DUAL VIEW DISPLAY  
A dual view or two-sided display system to display two different images in substantially opposite direction using a single transparent display to time-multiplex the images and two shutter devices...
US20080089068 METHOD FOR MANUFACTURING OPTICAL ELEMENT  
An optical element manufacturing method according to the present invention includes: disposing a mask on a transparent photosensitive resin; patterning said transparent resin by applying an...
US20100085993 AFOCAL ATTACHMENT FOR PROJECTION LENS  
A projection apparatus has a spatial light modulator to modulate illumination from a laser light source. A base projection lens has, from its long conjugate side to its short conjugate side, a...
US20100053729 System and Method for Despeckling an Image Illuminated by a Coherent Light Source  
A method and system for reducing speckle in an image produced from a coherent source of radiation is provided. The method includes coupling a source beam received from a coherent optical source...
US20080278798 MEMs display apparatus  
This invention relates to display apparatuses having an array of light modulators and a plurality of spacers distributed within the interior of the array. The display apparatus may also include a...
US20080112028 COLOR LASER IMAGE GENERATION  
An image display device including a plurality of laser light sources arranged to produce angularly offset beams of light, and scanning optics configured to raster scan the angularly offset beams...
US20120287037 LIGHT-EMITTING DEVICE, AND LIQUID CRYSTAL DISPLAY DEVICE AND IMAGE DISPLAY DEVICE THAT USE THE SAME  
A light-emitting device used in a liquid crystal display device is provided with a planar illuminator that focuses emitted light on a predetermined light focus point, and an optical deflector that...
US20140313568 HYPER-HEMISPHERICAL BEAM ANGLE MAGNIFIER  
A beam director system configured to steer an optical beam over a hyper-hemispherical field of regard. In one example a beam director includes a pre-director configured to steer an optical beam...
US20090091730 SPATIAL LIGHT MODULATION UNIT, ILLUMINATION APPARATUS, EXPOSURE APPARATUS, AND DEVICE MANUFACTURING METHOD  
A spatial light modulation unit can be arranged in an optical system and can be arranged along an optical axis of the optical system. The spatial light modulation unit includes a first folding...
US20120206636 ADJUSTER FOR ADJUSTING THE DIRECTION OF A LIGHT BEAM AND OPTICAL DEVICE COMPRISING SUCH ADJUSTER  
The invention provides an adjuster for adjusting the direction of a light beam (5). The adjuster (1) has an off-state and an on-state and comprises a stack (10) of layers. The stack (10) comprises...
US20100091354 Apparatus and method for 2D and 3D image switchable display  
An image display apparatus and method are disclosed. The image display apparatus includes a light source unit to include at least one light source, an optical unit to generate a directional light...

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