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7618177 |
Multi-fiber variable intensity wide-angle illuminator
An illuminator and surgical illumination system are disclosed, one embodiment of the surgical illumination system comprising: a light source for providing a light beam; an optical cable, optically...
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7618176 |
Solid state light source adapted for remote illumination
A lighting device having a light source, light pipe, and a light-dispensing element is disclosed. The light source emits light at a first wavelength and transmits that light to the light pipe. The...
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7618158 |
Illumination system using filament lamps
An illumination system using filament lamps including a filament lamp, a reflector having a first and second focal points, the filament lamp disposed proximate to the first focal point of the...
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7614772 |
Linear light emitting apparatus
The linear light emitting apparatus includes: a light source; and, a linear light guide member into which the light of the light source is guided from one end side thereof, and also which includes...
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7611271 |
Efficient light injector
A light injector includes a tapered solid light guide having a light input end, an opposing light output end, and a total internal reflection surface defining a longitudinal outer surface there...
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7600905 |
Light unit and exterior mirror with a light unit
The invention relates to a vehicle light unit with one or several lamps, in which light can be guided in a light conductor material, in particular a flashing direction indicator light unit. At...
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7591575 |
Light emitting device
The present invention provides a light emitting device comprising: an excitation light source which radiates excitation light; a wavelength converting member which absorbs and converts the...
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7591559 |
Image projector and a light source for use in the projector
A light source comprising a prismoidal housing with inclined sides of a flight of steps and with a closed smaller base and an open larger base. The entire inner surface of the housing is made of an...
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7588359 |
LED lamp with direct optical coupling in axial arrangement
An LED light source ( 10 ) comprises a heat sink ( 12 ) having a body ( 14 ) with a front surface ( 16 ) and a rear surface ( 18 ), the rear surface ( 18 ) being provided with heat dissipaters ( 20...
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7585097 |
Light pipe providing wide illumination angle
A light pipe is configured to provide a wide effective angle of illumination while simultaneously providing a substantially uniform distribution of light along a length of the light pipe. One or...
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7585089 |
Light engine
A light engine ( 10 ) has a light engine subassembly ( 12 ) comprising: a housing ( 14 ) having a longitudinal axis ( 16 ), a tubular portion ( 18 ) with a surrounding wall ( 20 ) and a closed end...
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7581862 |
Light guide element and light unit with light guide element
The invention concerns a light guide element whose cross-sectional surface widens continuously at least in areas from a light inlet surface to a light outlet surface, as well as a light unit with...
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7575499 |
Toy with elongated light source
A lighting apparatus is disclosed for providing illumination to an object or surface. In one illustrative embodiment, the light apparatus is used to help improve the visibility of a vehicle by...
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7575355 |
Apparatus for illuminating channel letters and light boxes
A channel letter or light box illumination apparatus wherein the channel letter or light box is illuminated from a luminaire located at some distance from the channel letter or light box, ideally...
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7566138 |
Light guiding body and lighting apparatus having the same
A light guiding body configured utilize light emitted by a light source for lighting and a lighting apparatus having the light guiding body are provided. The light guiding body has a base, lighting...
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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...
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7559681 |
Light pipe for direct-type backlight and direct-type backlight
The present invention provides a light pipe for a direct-type backlight having an upper surface and a lower surface, which has: a light reflecting member provided on the upper surface; and plural...
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7559680 |
Light system with stacked light pipe structure
The present invention includes decorative, architectural, and building materials and methods of making these materials, using them or both. The present invention relates to an article of...
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7556413 |
Illumination device and projector
An illumination device includes a light source that emits light-source light, a light recovery member that is disposed close to the light source in the vicinity of a lateral side of the light...
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7556412 |
Fiber optic auxiliary lighting system
A lighting device is provided that includes a housing containing a light emitting portion of a light emitting diode and a terminus of a fiber optic bundle such that light emission from the light...
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7555194 |
Illumination device and image scanning device
An improved illumination device shortens a redundant area of insufficient light intensity close to a longitudinal end thereof. The device includes a casing, a bar-shaped light guide housed in the...
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7549782 |
Semiconductor light source configured as a light tube
A tubular light source having a semiconductor light source and a tube is disclosed. The tube includes a transparent medium, the tube having a side tube surface, a center curve, one end surface, a...
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7548672 |
Fiber-based light source device
The present invention provides a fiber-based light source device, which includes a plurality of first, second or third light-emitting devices for respectively emitting a plurality of first, second...
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7542206 |
Light collectors for projection systems
Disclosed herein are light collectors for use in projection applications. The light collectors gather light from surface emitting sources (e.g., LEDs) of differing color (or same color in some...
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7540646 |
Light guide element, light guide unit, backlight apparatus and light source apparatus
The present invention provides a light guide element, a light guide unit, a backlight apparatus and a light source apparatus. The light guide element is provided for guiding a light flux from a...
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7540645 |
Solid-state light source
A solid-state light source includes a semiconductor light source for emitting light and an optical system having a fiber optic element. The fiber optic element has an input for receiving emitted...
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7540643 |
Backlight modules
A backlight module for a display panel of a display device is provided. The backlight module comprises a light-emitting unit and a control unit. The light-emitting unit provides light to the...
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7537367 |
Illumination device, image reading device, and image forming apparatus
An illumination device that illuminates an original document by propagating an illuminating light beam output from each of a plurality of light emitting diodes from a first end surface of a light...
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7537352 |
Light emitting diode illumination device capable of providing uniformly polarized light
A LED illumination device includes a tapered light guiding member, a LED, a reflective polarizer and a quarter-wave retarder. The light guiding member includes a light input surface and an opposite...
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7534022 |
Backlight module
A backlight module includes a light box, at least one light guide tube, and at least one light source. The light box has a light exit side. The light guide tube has a plurality of microstructures...
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7533996 |
Contrast adjustable projector apparatus
A contrast adjustable projector apparatus including a body, a light source, an illumination unit, a lens assembly and a regulation device is disclosed. The light source is disposed in the body for...
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7530698 |
Positioning device for a projection apparatus
A positioning device for positioning an integration rod module disposed in an optical path between a light source device and a projection lens within a projection apparatus includes a flexible...
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7524101 |
Light emitting panel assemblies
Edge lit light emitting assembly includes a panel member having a light input surface at one end of a greater width than thickness and an array of LEDs positioned in close proximity to the light...
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7524091 |
Led bulb refractive relector
A light guide may be made from a plurality of substantially planar, light transmissive arms paralleling and radiating from a common axis. The planar arms in combination define a common cavity...
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7524082 |
Networking cable with lighting system for cable tracing
A cable includes a waveguide with a lighting system removeably attached to it. The lighting system includes a plurality of light emitters extending along the waveguide and connected together with...
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7524074 |
Light guide for a control knob fitted with a rotary index
This invention relates to a light guide ( 1 ) for a control knob, particularly an instrument panel of a vehicle. The knob is fitted with an index ( 3 ) free to move in rotation about an axis (A)....
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7520650 |
Side-emitting collimator
Illumination configurations employ optical elements configured to organize divergent light from an LED light source into collimated beams having a direction perpendicular to an optical axis of the...
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7510313 |
Fiberoptic illuminator
A fiberoptic illuminator has a housing with an interface enabling an end fitting of a fiber optic bundle of a medical device to be connected to the housing. The illuminator includes a lamp assembly...
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7503680 |
Striplight and system with high-power light-emitting diodes for an automatic fault detection system
Process for lighting in cold light of a scrolling product for the acquisition of images by linear digital cameras for a fault detection system, by a device comprising a light source constituted by...
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7502535 |
Three color digital gobo system
A system of digitally controlling light output by producing separate control signals for different colors of light. The light is contained in an optical waveguide, either prior to shaping or after...
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7502534 |
Retro-reflective type light pipe, illumination device including the same and projection display including the illumination device
A retro-reflect type light pipe, an illumination device including the same, and a projection display including the illumination device are provided. The retro-reflective type light pipe includes an...
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7500774 |
Angular light guide with fringed portion
An annular light guide is provided. The annular light guide is made of optically transparent material, and is provided with an annular body that is an integrated combination of a light inlet and a...
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7490966 |
Illumination system
An illumination system having a light source, an integration rod and a color wheel is provided. The light source is suitable for providing a light beam. The light integration rod and the color...
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7488088 |
LED white light illuminator
The invention provides an LED lighting device and method that produces high intensity, spatially uniform, white light in the near and far fields in a reduced package size that does not...
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7477241 |
Device and method for optical touch panel illumination
An optical touch panel including a support defining a generally planar surface, an optical illumination assembly arranged along and above at least part of a periphery of the support to define a...
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7474474 |
High-heat dissipation lighting lens
There is provided a lighting module of the type having a solid-state light source, in particular a LED, a supporting plate, and a lens; the lens has a recess housing the light source; the lens is...
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7470051 |
Optical device and illumination device
An optical device guides illuminating light from a light source and includes a columnar light-guiding unit having an incidence face which the illuminating light from the light source is incident...
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7460751 |
Lighting or signalling device having an optical guide for a motor vehicle
A lighting and/or signalling device, in particular for a motor vehicle, comprising at least one light source emitting light rays and at least one optical guide in which the light beam spreads, the...
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7458708 |
Lighting fixture
A lighting fixture is disclosed to include a light guide bar, a connector holding a LED at a first end of the light guide bar, and a first reflector and a second reflector respectively covered on a...
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7455410 |
Illuminating apparatus and projector
An illuminating apparatus includes: a light source that emits a source light; and a light guiding module that has an overlap rod portion which can pass luminous fluxes traveling in different...
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