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| Number | Title | Issue Date |
| 8121454 | Apparatus for the collection and transmission of electromagnetic radiation A collector for propagating incident radiation is disclosed. The collector may comprise a light directing component coupled to a buffer component, a first propagation component coupled to the buffer component and configured to transmit the incident radiation into a ... | 02/21/2012 |
| 8068710 | Decoupled holographic film and diffuser In various embodiments described herein, a display device includes a front illumination device that comprises a light guide disposed forward of an array of display elements, such as an array of interferometric modulators, to distribute light across the array of disp... | 11/29/2011 |
| 7751670 | Laser display device and optical coupler therefor A laser display device, which eliminates speckles generated in the transmission of laser beams and uniformly mixes laser beams of various colors, and an optical coupler therefor. The laser display device includes light sources emitting laser beams; an image display ... | 07/06/2010 |
| 7684668 | Directional light homogenizer assembly An exemplary directional light homogenizer includes a one-piece, hollow hexagonal cross-section tube. The tube has an internal highly light reflective surface. The tube defines a first end configured to receive a non-homogenous light from a light source and a second... | 03/23/2010 |
| 7657147 | Sunlight simulator apparatus Sunlight simulators that have optical homogenizer units that provide adjustably positionable beams of radiation, each within a selected portion of the spectrum of wave lengths of radiation emitted from a light source, that have uniform output intensity profiles meas... | 02/02/2010 |
| 7603017 | Multi-color curved multi-light generating apparatus In accordance with one or more embodiments of the present disclosure, a multi-color curved multi-light generating apparatus comprises a first input component adapted to receive a first input light beam, a second input component adapted to receive a second input ligh... | 10/13/2009 |
| 7570859 | Optical substrate guided relay with input homogenizer An optical substrate guided relay (300) includes a light homogenizing device (321) coupled to an optical input device (301) in an offset orientation along a first interface (331). The light homogenizing device (321) receives light ... | 08/04/2009 |
| 7565050 | Light pipe having an improved structure of prisms The present invention is directed to a light pipe having an improved structure of prisms. According to one embodiment of the present invention, a hollow light pipe comprises an inner-surface including a linear array of prisms; and a substantially smooth outer-surfac... | 07/21/2009 |
| 7565049 | Laser light source, and two-dimensional image forming device A laser light source (10) has semiconductor lasers (1) and a waveguide tube (3) for propagating emission light from each of the semiconductor lasers (1). The semiconductor lasers are arranged on the upper end on the incident surface (3... | 07/21/2009 |
| 7558457 | Combined illumination and ventilation duct A combined illumination and ventilation duct is disclosed. The present invention includes at least two optical pipes having air flown inside wherein light proceeds within the at least two optical pipes by being totally reflected and a connector connecting the at lea... | 07/07/2009 |
| 7486866 | Structure and fabrication method for high temperature integration rod A fabrication method for hollow integration rod suitable for high temperature operation, comprising the steps: (a) pre-fixing a set of mirrors to be a hollow integration rod by a light curable adhesive (such as UV curable adhesive); and (b) fixing those mirrors perm... | 02/03/2009 |
| 7443591 | Homogenizing optical beam combiner An optical homogenizing and combining apparatus, comprises a one piece, hollow, tubular body having a first input leg, a second input leg and an output leg, each leg having a polygonal cross-section and highly reflective interior surfaces in accordance with an embod... | 10/28/2008 |
| 7438427 | Integration rod An integration rod used in a projector. The integration rod includes a plurality of lenses that form the integration rod; a layer of high temperature hot-setting UV adhesive applied on the lenses to bond the lenses into a hollow rod structure; and a layer of ceramic... | 10/21/2008 |
| 7434946 | Illumination system with integrated heat dissipation device for use in display systems employing spatial light modulators Disclosed herein is an illumination system for use in display systems employing spatial light modulators. The illumination system comprises a fastening mechanism for securing the bonding of the walls of the light integrator of the illumination system. A heat dissipa... | 10/14/2008 |
| 7433568 | Optical element and light irradiation apparatus It is an object of the present invention to provide an optical element which forms a beam spot with homogeneous energy distribution on an irradiated surface, and a light irradiation apparatus. It is another object of the invention to provide a manufacturing method o... | 10/07/2008 |
| 7421180 | Light guide apparatus for use in rear projection display environments A display apparatus comprising a plurality of light guides and method for producing such an apparatus is disclosed. The display apparatus comprises a plurality of substantially totally internally reflecting (TIR) light guides fashioned to expand a small original opt... | 09/02/2008 |
| 7403689 | Active photonic band-gap optical fiber A plurality of active gain material (93) is disposed in an active interface portion (44) of a dielectric band-gap cladding confinement region (22) adjacent to a dielectric core (12) of a photonic band-gap crystal fiber (20), wherei... | 07/22/2008 |
| 7387389 | Image display system and method An image display device includes an image processing unit, a light source assembly, an optical modulator assembly, and a projection lens assembly. The image processing unit is configured to receive a video signal and generate image data and control signals. The ligh... | 06/17/2008 |
| 7387388 | Illumination system using polarization conversion An apparatus and method is discloses for providing a substantially uniform, homogenous, polarized light. A beam of substantially un-polarized light is provided by a conventional light source. The un-polarized light is converted to at least four real images by using ... | 06/17/2008 |
| 7386214 | Homogenizing optical beam combiner An optical homogenizing and combining apparatus includes a one piece hollow tubular body having a first and second input legs and an output leg, each leg having a polygonal cross-section and a highly reflective interior surface, the first input leg being configured ... | 06/10/2008 |
| 7386215 | Projection system and light tunnel thereof A light tunnel includes a first optical element, a second optical element, a third optical element and a fourth optical element. The first optical element has a first recess. The second optical element is disposed opposite to the first optical element and has a seco... | 06/10/2008 |
| 7372447 | Microdisplay for portable communication systems The invention relates to a microdisplay system that utilizes a small high resolution active matrix liquid crystal display with an illumination system and a magnifying optical system to provide a hand held communication display device. The system can employ an LED il... | 05/13/2008 |
| 7369735 | Apparatus for the collection and transmission of electromagnetic radiation A collector for propagating incident radiation to a remote location. The collector comprises, a light directing component coupled to a buffer component, a first propagation component coupled to the buffer component and configured to transmit the incident radiation i... | 05/06/2008 |
| 7369736 | Light tunnel, uniform light illuminating device and projector employing the same Provided is a light tunnel including a guide member for guiding an incident light to proceed therein while being reflected by a side wall thereof to merge the incident light into a uniform light beam, and an optical path change portion provided at least one end port... | 05/06/2008 |
| 7360936 | Method and system of LED light extraction using optical elements A light extraction plate can be used with a light emitting diode (LED) to efficiently extract and provide control over the spatial distribution of extracted light in terms of intensity and angle. The extraction plate can have millions of optical micro-elements and c... | 04/22/2008 |
| 7348786 | Probe module for testing chips with electrical and optical input/output interconnects, methods of use, and methods of fabrication Probe modules, methods of use of probe modules, and methods of preparing probe modules, are disclosed. A representative embodiment of a probe module, among others, includes a redistribution substrate and a probe substrate interfaced with the redistribution substrate... | 03/25/2008 |
| 7344254 | Projection system with a common light source sharing system A projection display with a common light source sharing system for improved illumination uniformity is described. The common light source is coupled through a light-dividing prism to multiple integrators. Each integrator is coupled to one or more imaging devices tha... | 03/18/2008 |
| 7341865 | Liquid delivery devices and methods Methods and devices are provided for using high-density arrays of diverse chemical entities. In preferred embodiments, small volumes of multiple liquids are delivered to multiple reaction sites on a single substrate where the liquids are constrained to localized rea... | 03/11/2008 |
| 7336884 | Adaptive device for shifting imaging axis across fiber-optic endfaces in multi-fiber connector for inspection A device for shifting the imaging axis of a microscope across the endfaces of a multi-fiber connector for inspecting the fiber-optic endfaces through the microscope comprises a supporting body for attaching at one end to the optical tube of a microscope; a pendular ... | 02/26/2008 |
| 7322703 | Light emitting apparatus and projector An light emitting apparatus which illuminates an illumination area has a first light source which emits a first light, a second light source which emits a second light, a wheel which is provided with a transmission filter area which transmits the first light, and a ... | 01/29/2008 |
| 7321354 | Microdisplay for portable communication systems The invention relates to a microdisplay system that utilizes a small high resolution active matrix liquid crystal display with an illumination system and a magnifying optical system to provide a hand held communication display device. The system can employ an LED il... | 01/22/2008 |
| 7318663 | Vehicle with lighting system for tail lights and license plate comprising light emitting diodes and optical waveguide A vehicle includes at least one tail light, a rear license plate to be illuminated, and a light source for emitting a light beam to an optical waveguide disposed adjacent the light source. The optical waveguide has an input surface facing towards the light source fo... | 01/15/2008 |
| 7317182 | Backlight wedge with encapsulated light source A backlight may include a light guide and a light input. The light guide may have a light reflection surface and a light emission surface. The light input may include a diverging wedge having a narrow end and opposing side surfaces extending to the narrow end. A lig... | 01/08/2008 |
| 7310072 | Portable communication display device A head-mounted display system displays information via a matrix display element mounted within a housing that is positioned relative to at least eye of a user. The display is connected to a video or information source such that the user can view information or image... | 12/18/2007 |
| 7303288 | Image display device Aspects of the invention can provide an image display device that can include light sources provided, respectively, for regions obtained by dividing an image forming region of an electro-optic modulator into plural regions to irradiate corresponding regions, and a l... | 12/04/2007 |
| 7302148 | Test head for optically inspecting workpieces An optical test head comprises a block of material with a plurality of optical paths extending therethrough. At least one of the optical paths is an input optical path for receiving laser light and holding a lens for focusing the laser light on a workpiece that is p... | 11/27/2007 |
| 7300192 | Methods and apparatus for illuminating environments Provided herein are methods and systems for preparing signs and displays. The methods and systems include using a light engine for generating light of a plurality of colors to illuminate the body of a flexible conduit that receives light from the light engine. The c... | 11/27/2007 |
| 7300158 | Projection display apparatus The invention concerns a display apparatus with an imager illuminated by an illumination system and with an imaging system projecting an image on a viewing screen, wherein the brightness of the image on the imager has a variation over a given direction, and wherein ... | 11/27/2007 |
| 7287863 | Light tunnel with gradient filter layer A light tunnel with a gradient filter layer includes a light tunnel body and a gradient filter layer. In this case, the gradient filter layer is disposed at a light emerging side. The transmission rate at the central area of the gradient filter layer is smaller than... | 10/30/2007 |
| 7276380 | Transparent liquid inspection apparatus, transparent liquid inspection method, and transparent liquid application method The present invention provides a transparent liquid inspection apparatus capable of identifying a boundary between a transparent liquid applied on a base material which provides a multi-piece product and the base material, and automatically inspecting an applied con... | 10/02/2007 |
