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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...
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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...
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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...
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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...
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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...
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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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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...
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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...
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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...
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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...
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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...
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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 )...
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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...
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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;...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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,...
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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...
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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.
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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....
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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...
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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...
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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,...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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