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| Number | Title | Issue Date |
| 7370992 | Projector A projector comprises a light source, an Ultraviolet/Infrared Radiation (UV/IR) filter, a color wheel and means for guiding the light beam reflected by the color wheel toward directions away from the light source. The light source is for providing a light beam. The ... | 05/13/2008 |
| 7370993 | Light recycling illumination systems having restricted angular output This invention is an illumination system that incorporates a light emitting diode and a partially reflecting optical element. The light emitting diode emits internally generated light having a first angular range and reflects incident light with high reflectivity. T... | 05/13/2008 |
| 7365991 | Dual LED board layout for lighting systems Circuit boards for lighting systems have identical LED landing zones printed on the board. Each zone includes at least two sets of LED contact pads. One pad set is configured to mate with contacts of an LED of a first structural type, e.g. from a first product line ... | 04/29/2008 |
| 7335898 | Method and apparatus for fluorescent confocal microscopy A new and improved confocal fluorescence microscope is presented. The new microscope has significant advantages relative to existing implementations of microscope confocal imagers. In common with previous confocal imagers the instant invention has the advantages rel... | 02/26/2008 |
| 7298940 | Illumination system and display system employing same A compact, light weight, efficient and cost-effective illumination system for optical displays is disclosed. The illumination system is capable of producing a self-luminous light beam of selected cross-section and spatial distribution in terms of intensity and angle... | 11/20/2007 |
| 7290915 | Light coupling assembly A light coupling assembly that couples a light source to a light conducting system attached to a medical instrument so that light from the light source is transmitted to a surgical site. The light coupling assembly according to the present invention includes a membe... | 11/06/2007 |
| 7284889 | Multi-lamp arrangement for optical systems A multi-lamp arrangement for optical systems includes plural lamps and a collective light guide, where each lamp is positioned such as to transmit light into respective light guides that are both optically connected to the collective light guide. In one embodiment, ... | 10/23/2007 |
| 7277618 | White light-emitting device using fluorescent fiber A white light-emitting device using a fluorescent fiber includes a blue semiconductor light-emitting element (2) for emitting an excitation light (a), and an optical fiber (3) having one side end face and the other side end face, the excitation light (... | 10/02/2007 |
| 7267457 | Method for detecting forensic evidence A method for detecting forensic evidence. The method includes use of a forensic light that may utilize a variety of semiconductor light sources to produce light that contrasts forensic evidence against its background for viewing, photographing and collection. Exampl... | 09/11/2007 |
| 7252399 | Folding converging light into a lightpipe The present invention relates to a folded front end unit used in a light engine of a projection display device. The front end unit comprises a light source for generating a beam of light, and a lightpipe for providing spatial uniformity to the beam of light. Polariz... | 08/07/2007 |
| 7242543 | Filter device A filter device including a red filter unit, a green filter unit, a blue filter unit and at least one of a yellow filter unit, a cyan filter unit and a magenta filter unit is provided. Red light, green light and blue light are produced when white light passes throug... | 07/10/2007 |
| 7230603 | Illumination device and display device using the same An illumination device and display device using it display motion pictures without a blur and make a light utilizing efficiency of a backlight improved. An illumination device having a light pipe of a substantially parallel flat-form sheet, whose one surface is an o... | 06/12/2007 |
| 7228052 | LED light pipe structure An LED light pipe structure includes a light pipe, a light refraction plate, and a light emitting diode which are integrally formed into one body, so as to enable the light emitting diode inside the light pipe to generate a visible light for illumination, through a ... | 06/05/2007 |
| 7195388 | Light source device and projector apparatus having same According to the present invention, there is provided a light source device having a reflector including a light source lamp and an opening for emitting light for reflecting light radiated from the light source lamp arranged within the reflector to emit the light fr... | 03/27/2007 |
| 7191730 | Displaying instrument and luminous pointer A luminous pointer of a displaying instrument has a pointer body with a light emitting area that is divided into subsections with prisms. The subsections are illuminated at different timing. A light emitting circuit, including light emitting diodes (LEDs) for illumi... | 03/20/2007 |
| 7182468 | Dual lamp illumination system using multiple integrator rods An illumination system includes a first light source, a second light source, a first light integrating device and a second light integrating device. Each light integrating device includes an input aperture at an input end for receiving input light and a turning mirr... | 02/27/2007 |
| 7172326 | Optical filter system employing a tilted reflector An illumination system comprising a light source that emits light of a first sense and a second sense. The illumination system also comprises a collimator that collimates light from the light source along an optical axis and within a maximum angle with respect to th... | 02/06/2007 |
| 7158305 | Illumination system optimized for throughput and manufacturability An optimized illumination system that efficiently produces uniform illumination for exposure, photoablation, and laser crystallization systems. The illumination system includes a homogenizer that uniformizes and shapes a light beam, which is directed onto a mask by ... | 01/02/2007 |
| 7144133 | Transflective color recovery Embodiments of the present invention include an apparatus, method and system for an illumination arrangement including a color recycling subsystem to receive reflected light from a transflective color filter along a reflectance axis that is non-coincident with an in... | 12/05/2006 |
| 7131762 | Color rendering of illumination light in display systems A method and apparatus for compensating for deficiency in the illumination light from a light source is provided, where the spectrum in the visible range of light from the light source is determined, and a deficiency at a wavelength or band of wavelengths in the vis... | 11/07/2006 |
| 7130507 | Light source unit for use with a light guide and lamp mounting arrangement A light source unit, for supplying light via a light guide to a remote location, comprises a support for supporting a light source and a light guide in a prescribed alignment relative to each other, the support comprising a first part for supporting the light source... | 10/31/2006 |
| 7121686 | Candle light-diversifying device A candle light-diversifying device is mounted at a bottom side of a candle which includes a tunnel running through an imaginary central axis thereof, and a candlewick received in the tunnel. The candle light-diversifying device includes a housing having three throug... | 10/17/2006 |
| 7108413 | Sampling for color control feedback using an optical cable Light is mixed within a mixing cavity. Light is transported from the mixing cavity, through an optical cable, to a color sensor. The transported light is sampled by the color sensor. Light color within the mixing cavity is controlled based on information from the tr... | 09/19/2006 |
| 7087074 | Light therapy apparatus This invention discloses a light therapy apparatus which has a curing effect by means of light irradiation and which less stimulates an irradiated portion. The light therapy apparatus according to this invention has a light source (2) and a spectrofilter (... | 08/08/2006 |
| 7070290 | Input device An input device allowing the user to quickly differentiate between the input states is provided. The input device includes a cap, a first light source, a second light source and a control module. The first light source radiates a first light of a first color and the... | 07/04/2006 |
| 7066604 | Light pipe, color illumination system adopting the light pipe, and projection system employing the color illumination system A light pipe for separating incident light according to color, a color illumination system adopting the light pipe, and a projection system adopting the color illumination system are provided. Since the projection system is a single-panel projection system adopting ... | 06/27/2006 |
| 7062129 | Fiber optic illuminating apparatus and method An illuminating apparatus may include a housing and a lamp assembly to produce a beam of light transmitted to a fiber optic cable. An insulating device for insulating an input end of the fiber optic cable from beat may be disposed between the input end of the fiber ... | 06/13/2006 |
| 7055995 | Apparatus and method of guiding and shaping light from light source An apparatus and method for controlling light from a non-rectangular light source. The apparatus and method relate to using a light guide of a single piece of light-transmissive material having a plurality of external surfaces. One external surface is shaped to coll... | 06/06/2006 |
| 7033056 | Multi-lamp arrangement for optical systems A multi-lamp arrangement for optical systems comprising two lamps or more (10, 15) and a collective light guide (58), where each lamp is positioned such as to transmit light (20) into respective light guides (36, 46) that are both optical... | 04/25/2006 |
| 7021811 | Light distribution hub A light distribution apparatus includes a light distribution hub and at least one light source a reference light wavelength emission. The light distribution hub includes color converter that is enclosed in a light house and converts the reference light wavelength em... | 04/04/2006 |
| 7020378 | Device for producing a white light A device for the generation of white light serves in particular for the illumination of the interior of the eye. A semiconductor laser (10′) emits radiation in the blue/violet/ultraviolet region of the spectrum, which is coupled into an optical waveguide ( | 03/28/2006 |
| 7008071 | Light collection system converting ultraviolet energy to visible light A light collection system comprises a light source with a bulbous section for emitting radiant energy in the direction of first and second portions of the bulbous section. A reflecting surface directs visible light from the light source to the first portion. Another... | 03/07/2006 |
| 7002453 | Remote lamp status display via fiber optic system A method and apparatus are provided for remotely monitoring the status of a variety of illumination devices. A fiber optic cable coupled to a light fixture transmits a light display. Based on the light received, the status of the light is determined. The status is d... | 02/21/2006 |
| 6976778 | Rod integrator, illuminator, projector, and optical device The invention provides a rod integrator or the like having high efficiency for light utilization and suitable for a color-recapture system. The present invention can include a rod integrator having a reflective inner circumference (reflecting surface) for emitting l... | 12/20/2005 |
| 6969177 | Polarization recovery system using redirection A polarization recovery system includes a polarizing beam splitter transmitting light of a useful polarization in an output direction and reflecting light of a non-useful polarization in a first orthogonal direction substantially orthogonal to the output direction. ... | 11/29/2005 |
| 6960000 | Dartboard illumination method and apparatus The present invention provides apparatus and methods for illuminating a dartboard comprising filtering of an illumination source from direct view by the player while protecting the illumination source from damage or breakage by darts or other objects. ... | 11/01/2005 |
| 6957907 | Illumination apparatus having a light-converting lens for increasing visual contrast between different oral tissues A tissue illumination apparatus is useful in identifying caries, calculus, fractures, diseases or other defects in tissues within the oral cavity. The tissue illumination apparatus includes a light emitting device and at least one focusing lens. The lens may be conf... | 10/25/2005 |
| 6954270 | Method for detecting forensic evidence A semiconductor forensic light is disclosed. The forensic light may use a variety of semiconductor light sources to produce light that contrasts forensic evidence against its background for viewing, photographing and collection. Example semiconductor light sources f... | 10/11/2005 |
| 6945681 | Headlamp assemblies and optical bodies for use therewith Headlamp assemblies utilize a solid optical body made of glass or another heat resistant, light transmissive material. The solid optical body has an axially positioned cavity therethrough which receives a bulb that injects light through a cylindrical wall of the cav... | 09/20/2005 |
| 6941058 | Driving device for handicraft with acousto-optic control and driven by batteries A driving device for handicrafts with acousto-optic control and driven by batteries comprises a base, a switch and a power connector at a base cavity of the base, a motor in the base which controls a rotating axis that extends to the surface of the base, a rotating ... | 09/06/2005 |
