Patent application number | Description | Published |
20080198574 | LED apparatus for world homologation - A lamp assembly including a plurality of light sources, a plurality of light guides, and at least one lens. The plurality of light guides are optically connected to the plurality of light sources, and selected plurality of light sources emit light that is selectively propagated through the plurality of light guides. The at least one lens is optically connected to the plurality of light guides. | 08-21-2008 |
20080253144 | Semiconductor light engine using polymer light pipes and lighting systems constructed with the light engine - A light engine for use in systems such as automotive lighting systems employs two or more semiconductor light sources, such as LEDs. Light emitted from the light sources is captured by light pipes which are mounted such that the light capturing surface of the light pipes are properly positioned, with respect to the semiconductor light sources, substantially independent of changes in the dimensions of the light pipes which may result from thermal expansion or contraction of the light pipes. The light pipes transfer substantially all of the light captured from the semiconductor light sources to light emitting surfaces of the light pipes which can be appropriately located adjacent the output optics of the lighting system. The light engine can be easily assembled as the light pipes are retained in slots on a positioning member which is mounted at a known position with respect to the semiconductor light sources. | 10-16-2008 |
20080316759 | Headlamp with beam patterns formed from semiconductor light sources - Headlamp systems are provided that form desired beam patterns from light supplied by semiconductor light sources. The present invention is headlamp system for a vehicle including at least one first light source, at least one second light source, and a first lens system having at least one lens operably associated with the at least one first light source to provide a spread portion of a desired beam pattern. The present invention also includes second lens system having at least one lens operably associated with the at least one second light source to provide a hot spot portion of the desired beam pattern. | 12-25-2008 |
20090016074 | Semiconductor light engine using glass light pipes - A light engine for use in systems such as automotive lighting systems employs two or more semiconductor light sources, such as LEDs. Light emitted from the light sources is captured by light pipes which are mounted such that the light capturing surface of the light pipes are properly positioned, with respect to the semiconductor light sources. The light pipes transfer substantially all of the light captured from the semiconductor light sources to light emitting surfaces of the light pipes which can be appropriately located adjacent the output optics of the lighting system. The light engine can be easily assembled as the light pipes are in modules including a carrier member that can be mounted to a positioning member which also includes apertures to position the light capture surfaces of the light pipes at a known position with respect to the semiconductor light sources. | 01-15-2009 |
20090122568 | LED Headlamp with an LED Turn Signal - A turn signal indicator lamp is operated with LED light sources. The LED light sources produce white light which is filtered, before and/or after transfer of the light from the LED source to the lens, to obtain the desired amber light without unduly reducing the amount of light available to create the desired turn signal indicator light pattern. | 05-14-2009 |
20090237952 | Semiconductor-based lighting system and lighting system components for automotive use - A modular semiconductor light source assembly includes a semiconductor light source, such as a light emitting diode, which is mounted on a substrate which supplies electricity to the light source and which assists in removing waste heat therefrom. Substantially all of the light emitted by the LED is transferred to a lens by a light pipe, the cross section of the light pipe increasing from the light source to the lens and the lens having a general D-shape such that the light pattern formed by the lens is constrained in a first direction orthogonal to a second direction. The assembly can be combined with other similar assemblies or other light sources in a light fixture to produce a desired overall beam pattern such as a automobile headlamp low beam or high beam pattern. | 09-24-2009 |
20090273933 | Compact High Efficient Optic - The present invention is directed towards a lighting assembly having a light source, at least one optic, and at least one light input surface formed as part of the optic for receiving substantially all the light produced from the light source. The present invention also includes at least one light output surface which is formed as part of the optic such that light received into the optic by the light input surface is directed by the optic out of the light output surface, thereby producing a desired beam pattern. | 11-05-2009 |
20090273935 | HOTSPOT CUTOFF D-OPTIC - The present invention is an optic used for producing a desired beam pattern having a body portion having a height and a thickness, and at least one sidewall profile, as well as an input port for receiving light from a light source. The optic of the present invention also includes an output surface formed as part of the body portion on the opposite side of the body portion in relation to the input port, at least one leg portion formed as part of the body portion, and at least one alignment feature formed as part of the at least one leg portion, the at least one alignment feature for controlling the alignment of the optic in relation to the light source. | 11-05-2009 |
20100007277 | Power supply system and method for automotive led lighting systems - An automotive lighting assembly receiving light from a power source and for producing light. The automotive lighting assembly includes a first lighting circuit which is operatively connected to the power source for emitting light as a function of electric current. A second lighting circuit is operatively connected to the power source independently from the first lighting circuit. The second lighting circuit emits light as a function of the electric current. The automotive lighting assembly also includes a controller which is electrically connected between the power source and the first and second lighting circuits for independently operating the first and second lighting sources to emit a chosen amount of light in a chosen direction. | 01-14-2010 |
20100046242 | High efficiency light pipe - H.E.L.P. - A headlamp assembly which includes an optic used for providing a turn signal which meets the government requirements for luminous intensity when the turn signal is located near or next to the headlamp assembly. The present invention is a headlamp assembly which includes a housing, at least one optic disposed within the housing, as well as at least one light source which is operable with the optic such that light is emitted from the optic which meets or exceeds present regulatory requirements. The present invention also includes an outer lens mounted on the housing such that light emitted from the optic passes through the outer lens. | 02-25-2010 |
20100084667 | Semiconductor Light Source Element for Beam Forming - A semiconductor light source element includes a substrate to which at least one semiconductor light source is mounted. An optical body is mounted to the substrate with its light receiving surface located adjacent the light emitting surface of the at least one semiconductor light source. The optical body has a shape and light output surface profile which are selected to produce a desired beam pattern with the light emitted by the at least one semiconductor light source. When two or more semiconductor light sources are employed in the semiconductor light source element, the light sources can be positioned at different locations about the light receiving surface to emit light from the front edge of the optical body in correspondingly diverse patterns. | 04-08-2010 |
20100302795 | LED Headlamp With Corner Illumination - A headlamp is provided which employs semiconductor light sources, such as light emitting diodes, and which includes light sources which can selectively be illuminated to provide steerable light beam patterns, to illuminate areas adjacent the optical axis of the headlamp, and corner light elements which can be illuminated to illuminate the area adjacent the steerable light beam patterns further from the optical axis of the headlamp. The corner light elements can be illuminated after the steerable light beam patterns have been provided or can be illuminated independently of the steerable light patterns, for example responsive to the activation of a turn signal. | 12-02-2010 |
20110080744 | Hotspot cutoff d-optic - The present invention is an optic used for producing a desired beam pattern having a body portion having a height and a thickness, and at least one sidewall profile, as well as an input port for receiving light from a light source. The optic of the present invention also includes an output surface formed as part of the body portion on the opposite side of the body portion in relation to the input port, at least one leg portion formed as part of the body portion, and at least one alignment feature formed as part of the leg portion, the alignment feature for controlling the alignment of the optic in relation to the light source. | 04-07-2011 |
20110308572 | Solar collector optics - A solar collector optic system having a plurality of optics and a plurality of concentrators, where the plurality of optics directs light to the plurality of concentrators. The system has a first optic, a second optic, a first concentrator and a second concentrator. Each optic has a plurality of prisms which provide a progressive light distribution function such that as each of the plurality of prisms of the first optic is located further away from a focal line of the first concentrator, each of the plurality of prisms directs a greater amount of light to the second concentrator compared to the first concentrator. Also, as each of the plurality of prisms of the second optic is located further away from a focal line of the second concentrator, each of the plurality of prisms directs a greater amount of light to the first concentrator compared to the second concentrator. | 12-22-2011 |
20130155535 | INTEGRATED SOLAR CONCENTRATOR SYSTEM - An integrated solar concentrator assembly ( | 06-20-2013 |
20130250598 | FOG LAMP AND THE LIKE EMPLOYING SEMICONDUCTOR LIGHT SOURCES - A novel vehicular light fixture ( | 09-26-2013 |
20140036525 | HYBRID OPTICS LED HEADLAMP - An optical system that collects 100% of the light emitted from the light source and effectively directs it into the desired beam pattern. This is achieved by a combination of different optical control methods including reflector and lens optics. The cost is controlled by a design that reduces the optical part count to 2 main components, which reduces manufacturing and assembling time and maintains proper alignment to the light source and system. | 02-06-2014 |