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7637621 Projection optical system, magnification projection optical system, magnification projection apparatus, and image projection apparatus  
A projection optical system for use in an image projection apparatus illuminating an image display panel forming an image in accordance with a modulating signal with illumination light from a light...
7631975 Projection optical system, magnification projection optical system, magnification projection apparatus, and image projection apparatus  
A projection optical system for use in an image projection apparatus illuminating an image display panel forming an image in accordance with a modulating signal with illumination light from a light...
7616849 Illuminating devices including uniform light distribution, multiple light sources, and multiple types of light sources  
An optical device for collecting and distributing light from a quasi point light source which includes a planar light guide having surfaces through which optical axes are periodically spaced. There...
7600894 Luminaires and optics for control and distribution of multiple quasi point source light sources such as LEDs  
A light projection device of a stack of at least 2 LED light projection modules. Each module shares a common optical axis and each includes an LED at least partially surrounded by an off-axis...
7597459 Converging element and illuminating device  
An LED light source is formed of an LED and an angle control lens. The angle control lens includes a transparent member in a shape of a rotational symmetry, and includes a center convex curved...
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...
7549769 LED lens for backlight  
Disclosed herein is a Light Emitting Diode (LED) lens for a backlight. The LED lens includes an LED light source, a lens body, and a beam shaping element. The lens body is configured such that the...
7507003 Light collective optical system  
A light collective optical system includes a single optical member having a first reflecting surface and a second reflecting surface. In this case, the first reflecting surface partly has a first...
7478919 Lamp strip assembly  
A lamp strip assembly including a lamp and an elongate reflector, forming a lamp set, mounted in an elongate housing, the elongate reflector including a curved reflective portion at one end thereof...
7419274 Optical conduction unit and image reader using the same  
An optical conduction unit (U) has a configuration in which one portion (Sb) and another portion ( 58 a ) of an optical conduction body ( 5 ) are mated in mutually orthogonal x, y directions with...
7410274 Light guiding unit, light guiding unit assembly, and lamp comprising the same  
A light guiding unit is provided which can reflect light from one light source such that a plurality of irradiated lights can be intermittently viewed, while allowing substantially all portions of...
7387408 Luminaire featuring light-transmitting counter reflector cover  
A luminaire ( 1 ) is disclosed, comprising a main reflector ( 3 ) with a light emission window ( 5 ), and comprising a counter reflector ( 7 ) positioned opposite to the main reflector. Means ( 9 )...
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...
7333276 Optical element and lighting device provided therewith  
An optical element that condenses light emitted from a light source has: an entrance surface where the light enters; an exit surface from which the light entering inside via the entrance surface;...
7331693 Zoom lens and image pickup apparatus including the same  
At least one exemplary embodiment is directed to a zoom lens which includes, in order from an object side to an image side, a first lens unit with a negative refractive power, a second lens unit...
7316493 Headlamp for vehicle  
A headlamp including a first addition reflector 34 and a second addition reflector. The first addition reflector is arranged between a light source bulb 22 and a shade 32 and reflects light...
7284883 Free-cavity, double-diffusing indirect lighting luminaire  
A lighting system and device for providing indirect light using free-cavity, double-diffusing configurations are disclosed. In accordance with the embodiments of the invention, a lighting fixture...
7246930 Light source and vehicle lamp  
A light source for vehicles can include a base having a cavity formed on its upper surface, an LED chip mounted in the cavity of the base, a resin portion for sealing the LED chip in the cavity, an...
7244050 Full cutoff area light fixture  
A full cutoff luminaire having a housing with an open bottom, a vertically mounted lamp centrally located within the housing, a radial reflector surrounding a portion of the lamp and a downwardly...
7213944 Light source apparatus, lighting apparatus and projection display apparatus  
A light source apparatus includes a lamp, an ellipsoidal mirror collecting a part of light radiated from a light transmission plane of the lamp, and a spherical mirror collecting another part of...
7175316 Searchlight with improved optical density  
This invention relates to searchlight type light devices including underwater light devices and automobile headlights. A light device in accordance with the present invention provides light beam...
7175322 Vehicle headlamp  
At an upper position of an optical axis Ax between a reflector and projection lens, a pair of left and right first additional reflectors are arranged and a pair of second additional reflectors are...
7168827 Side emitter beacon  
A light source with an integral surface of revolution to project an emergency warning light signal for a vehicle in a substantially horizontal 360° arc. A centrally positioned mirror assembly has...
7160002 Segmented reflector systems and combined reflector and refractor systems  
An optical assembly for architectural illumination having a quasi point source surrounded by a collimating ring lens designed to radially project collimated beams. A segmented off axis parabolic...
7125144 Illumination device and illumination method  
An illumination device includes plural lamps, a prism, a first lens array, and a second lens array, wherein the first lens array is formed such that images of the lamps are formed a predetermined...
7121693 Lamp, especially for illuminating interiors  
A lamp assembly having a lens plate covering the opening and spaced from the lamp. The lens plate is provided with a multiplicity of microlenses such that the lens plate and lamp assembly generates...
7118253 Evenly distributed illumination from radial light producing luminaires and their components  
A lighting assembly includes a quasi-point lamp, a ring lens at least partially surrounding the source to provide a radial beam of light shaped in the form of a disk of sectionally diverging light,...
7114832 Method for shifting energy between beams when focusing or defocusing  
An LED or incandescent light source is positioned in a reflector arranged to reflect light from the LED or incandescent light source which is radiated from the LED or incandescent light source in a...
7111969 Vehicle lamp  
An automotive tail light. An LED emits its light laterally. A reflection part surrounding the LED picks up the light and reflects it towards the light dish. A low height light is thus provided.
7101062 Headlight employing a combined mirror and deflection element with a non-flat light beam cut-off line  
The present invention relates to a headlight device comprising in particular a light source, a mirror exhibiting a reflecting surface and a transparent optical deflection element positioned in...
7048416 Free-cavity, double-diffusing indirect lighting luminaire  
A lighting system and device for providing indirect light using free-cavity, double-diffusing configurations are disclosed. In accordance with the embodiments of the invention, a lighting fixture...
7029150 Catadioptric light distribution system  
A Catadioptric Light Distribution System that collects and collimates the hemispherical pattern of light emitted by a Lambertian light emitting diode (LED) into a collimated beam directed...
7014342 Light guiding apparatus for an illumination system  
The light-guiding apparatus has a light tunnel and an ellipsoidal reflector. Light emitted from the light tunnel is reflected and focused on a DMD chip by the ellipsoidal reflector. The light...
6966683 Backlighting device  
The proposed device uses a plastic of any color with a cavity introduced in it and preferably with a polished inner surface, instead of a reflector or a light guide, to utilize increased reflection...
6939025 Light consolidating system  
A light consolidating system is provided for converging light emitted from at least one lamp positioned at the focus of an ellipse. A light guiding means is provided in the system for guiding the...
6932496 LED-based elevated omnidirectional airfield light  
A light emitting apparatus includes a light source, a light transformer, a hemispherical optical window, a circuit and a base. The light transformer includes a truncated hollow conical reflector, a...
6910791 Headlight  
A headlight having an ellipse group reflecting surface as a main reflecting surface and a projection lens further includes a second reflecting surface, a third reflecting surface, and a ring-shaped...
6877882 Illumination system for a projection system  
An illumination system for illuminating an object includes a light source and a lens array system. The light source includes an illumination element emitting light rays and surrounded by a...
6863412 Device for vehicle lighting  
A device for vehicle lighting includes a deviating prism which deflects a light beam by approximately 180 degrees from a direction of incidence in which the light beam is emitted by a light source....
6851833 Optical configurations for distributing radially collimated light  
A lighting assembly or a luminaire has a quasi point light source near a surface onto which light rays are to impinge. There is a lens system which includes a radially collimating first Fresnel...
6811289 Lamp device for a vehicle having a free curved surface and a lens without a prism  
A lens has a concave shape or a convex shape in either vertical cross section or transverse cross section. Thereby light passing through the lens is largely refracted and the interior is harder to...
6783261 Optical assemblies for concentration of radial light distribution within confined luminaire packages  
An optical assembly for architectural illumination which includes a quasi point source surrounded by a collimating ring lens designed to radially project collimated beams. A segmented, off axis,...
6761475 Lighting device, particularly a motor vehicle light or emergency light  
A lighting device, comprising a luminous source consisting of a LED ( 5 ) that is placed between the flanges ( 2,3 ) of a primary reflector ( 1 ), which is essentially V-shaped. A secondary...
6698908 Lighting fixture optical assembly including relector/refractor and collar for enhanced directional illumination control  
An improved optical assembly includes a reflector/refractor device and a reflector collar provided for enhanced directional illumination control. The reflector/refractor has a predefined shape and...
6655813 Multi-function luminaire  
A recessed light fixture includes a housing, a cap affixed to an upper edge of the housing, and a cover plate having an aperture formed therein and affixed to a lower edge of the housing. A...
6623132 Light coupler hingedly attached to a light guide for automotive lighting  
A display device and a lighting system is provided for providing lighting in exterior and interior lighting applications, such as for center high mount stop lights (CHMSL) and other automotive...
6619820 Light condensing and collecting systems using lensed light pipes  
An optical coupling element for use in large numerical aperture collecting and condensing systems. The optical coupling element includes a lens having a curved surface and a tapered light pipe. The...
6582110 Motor-vehicle light  
A motor-vehicle light comprises a hollow body with a transparent element facing a main reflective structure which reflects the light rays coming from a source arranged at one side of the main...
6572246 Lighting device  
In order to develop a lighting apparatus having a light source unit which has at least one light source and a first reflector, and having at least one optical element, with the light which is...
6471383 Headlamp for vehicle  
There is provided a headlamp for a vehicle, comprising a light source; a first reflector formed of a parabolic reflector and having a focal point at which the light source is positioned; a light...
Matches 1 - 50 out of 167 1 2 3 4 >