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| Number | Title | Issue Date |
| 8162504 | Reflector and system An illumination system includes a light source and a reflector. The reflector includes a first optical interface adjacent the light source which redirects light emitted from the light source and incident on the first optical interface via Fresnel reflection. In addi... | 04/24/2012 |
| 8147099 | Apparatus and method for receiving light from a point-like source and emitting light over an extended surface area A method and apparatus are disclosed for receiving light from one or more light sources, each of which comprises a substantially point-like light source. The received light is them emitted over an extended surface area including a first surface of an optical control... | 04/03/2012 |
| 7988337 | Light source assembly A light source assembly includes a light guide unit and a light emitting unit. The light guide unit includes a hollow enclosure and a lens unit enclosed in the enclosure. The enclosure has a top portion, a bottom portion and a sidewall connected between the bottom p... | 08/02/2011 |
| 7967477 | Compact optical system and lenses for producing uniform collimated light An optical system includes a cylindrical side emitter lens, a reflector and a cylindrical Fresnel lens to produce a substantially uniformly illuminated exit plane with well collimated light in the forward direction. The cylindrical side emitter lens redirects light ... | 06/28/2011 |
| 7918589 | Light fixture and lens assembly for same A light fixture or troffer for directing light emitted from a light source toward an area to be illuminated, including a reflector assembly within which the light source is positioned and a lens assembly detachably secured to a portion of the reflector assembly such... | 04/05/2011 |
| 7862212 | Light emitting diode lens structure and an illumination apparatus incorporating with the LED lens structure A light emitting diode lens structure includes a lens having an upper section and a lower section. The lower section is provided with a light emitting diode accommodation part. The upper section is coated with a specular reflection layer to form a reflecting surface... | 01/04/2011 |
| 7780316 | Built-in lamp The invention relates to a built-in lamp comprising a holder for fastening in an installation surface, in particular in a room ceiling, a bulb fitting and a reflector, wherein the reflector consists of at least a first reflector region which is followed in the direc... | 08/24/2010 |
| 7690818 | Vehicle headlamp A vehicle headlamp includes a projection lens through which an optical axis passes. The optical axis extends in a front-and-rear direction of a vehicle. The vehicle headlamp includes a light source disposed on a rear side of a rear focal point of the projection lens... | 04/06/2010 |
| 7530716 | Light fixture A light fixture or troffer for directing light emitted from a light source toward an area to be illuminated, including a reflector assembly within which the light source is positioned, a lens assembly detachably secured to a portion of the reflector assembly such th... | 05/12/2009 |
| 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 (58a) of an optical conduction body (5) are mated in mutually orthogonal x, y directions with first and second fitting means (64), (64... | 09/02/2008 |
| 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 the plurality of irradiated lights to be substantially uniform. The l... | 08/12/2008 |
| 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) for accommodating at least one electric lam... | 06/17/2008 |
| 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 |
| 7364332 | Vehicle headlamp A light source bulb 22 is inserted and fixed into a reflector 24 from a side in a position placed downward apart from an optical axis Ax. Thus, it is possible to effectively utilize an optical-axis side region in a reflecting plane 24a fo... | 04/29/2008 |
| 7364312 | Light source lamp and projector A light source lamp, in which reduction of the available amount of illumination light on an illuminated region side can be reduced or suppressed, heightens light utilizing efficiency. The light source lamp has a light emitting tube having a luminous part in which a ... | 04/29/2008 |
| 7354162 | Projector A projector includes: a light source device that emits substantially parallel illumination light; a first lens array having a plurality of first small lenses each of which divides the illumination light coming from the light source device into a plurality of partial... | 04/08/2008 |
| 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 with a positive refractive power, and a third lens unit with a negative... | 02/19/2008 |
| 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; and a reflection surface that directs, to the exit surface by total re... | 02/19/2008 |
| 7322156 | Skylight domes with reflectors A skylight cover includes a transparent lens and an opaque reflector attached to the inside of the cover opposite the lens. Light entering the lens can be refracted by the lens so that it reflects off of the reflector and into a tubular skylight assembly. Thus, the ... | 01/29/2008 |
| 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 that is sent from a light source 22a towa... | 01/08/2008 |
| 7301586 | LCD TV and projection-based backlight system used therefor An LCD TV includes a housing, an LCD screen panel disposed on the front side of the housing, a first mirror disposed on the back side of the housing and a projection-based backlight system disposed in a lower cabinet of the housing, wherein the projection-based back... | 11/27/2007 |
| 7293889 | LED lamp apparatus An LED lamp apparatus includes an LED and a light diffuser located on a light emission side of the LED. The light diffuser is made of at least one light transmittable material and has a light diffusing member at a peripheral portion of a light passing area of the LE... | 11/13/2007 |
| 7287881 | Light deflector and rear-projection screen The presented invention relates to a light deflector. The light deflector defining a light-incident side and a light-exiting side, the deflector comprising a plurality of reflector(42) arranged side-by-side in a predetermined orientation, each reflector havin... | 10/30/2007 |
| 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 comprises a cover structure with a diffusion layer and a reflective pl... | 10/23/2007 |
| 7261435 | Light fixture and lens assembly for same A light fixture or troffer for directing light emitted from a light source toward an area to be illuminated, including a reflector assembly within which the light source is positioned and a lens assembly detachably secured to a portion of the reflector assembly such... | 08/28/2007 |
| 7252410 | Projector A projector includes an illumination system including a light source having an ellipsoidal reflector and an arc tube having a luminescence center in the vicinity of a first focus of the ellipsoidal reflector, and an integrator rod having a light incidence plane in t... | 08/07/2007 |
| 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 optical member disposed above the base and apart from the LED chip, ... | 07/24/2007 |
| 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 extending optic lens having an open top enshrouding a lower portion of... | 07/17/2007 |
| 7239453 | Projection optical system and projection exposure apparatus A catadioptric projection optical system includes a first optical system, for receiving light from an object, a second optical system, for forming an image of the object on an image plane, and a third optical system disposed optically between the first optical syste... | 07/03/2007 |
| 7234852 | Vehicle headlamp A lamp includes a projection lens, a reflector, and a prismatic lens. The prismatic lens receives direct light, which has been transmitted from the light source outwardly with respect to a widthwise direction of a vehicle, and refracts the received light toward the ... | 06/26/2007 |
| 7232223 | Illumination optical system and projection display optical system An illumination optical system is disclosed, which provides a luminous flux with a small incident angle on an illumination surface in one axis direction on a section of the luminous flux. The illumination optical system can suppress a reduction in light amount by a ... | 06/19/2007 |
| 7224107 | Illumination unit An illumination unit has a light source, in particular a high-intensity discharge lamp or an ultra high performance lamp, a main reflector and a back reflector with an aperture opposite the main reflector. Light is reflected from the light source through the apertur... | 05/29/2007 |
| 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 the light radiated from a light transmission plane not collected by the... | 05/08/2007 |
| 7192147 | Lighting system and projector The invention provides a compact, thin, and lightweight lighting system and projector. A lighting system included in a projector according to the present invention is provided with an LED array having LEDs and a reflective plate at the rear side of the LEDs in the l... | 03/20/2007 |
| 7188973 | Optical image projector and light source device for optical image projector A light source device includes: a light-emitting tube having a light-emitting portion that generates a light beam by an electric discharge between electrodes and a sealing portion provided on both sides of the light-emitting portion; an ellipsoidal reflector having ... | 03/13/2007 |
| 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 arranged on both the left and right sides of the pair of first additi... | 02/13/2007 |
| 7175323 | Projector lamp headlight with chromatic aberration correction A reduced glare projector style headlight assembly (10) comprises a light source (14), a reflector (12) and an optical lens (18). An opaque mask (16) is positioned between the lens (18) and the reflector (12) for crea... | 02/13/2007 |
| 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 compression along the optical axis and thus increases considerably the ... | 02/13/2007 |
| 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 a plurality of light sources spaced about the mirror assembly. ... | 01/30/2007 |
| 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 reflector to collect and reflect light (not gathered by the collimating... | 01/09/2007 |
