Patent application number | Description | Published |
20080225549 | Linear Optic Light Coupler - An illumination system includes a plurality of radiation generating sources, such as LED dies. A corresponding plurality of optical waveguides is also provided, with each waveguide having a first and a second end, with each first end being in optical communication with the corresponding LED die. An array of corresponding passive optical elements is interposed between the plurality of LED dies and the corresponding first ends of the plurality of optical waveguides. The illumination system provides for substantially high light coupling efficiency and an incoherent light output that can appear to the human observer as arising from a single point of light. In addition, the light can be output remotely at one or more locations and in one or more directions. | 09-18-2008 |
20080230113 | LIGHTING SYSTEM - A lighting system is described herein that may be energized by a plurality of sources. In one embodiment, a solar cell is capable of receiving light and converting the light into electrical signals. An energy conversion device may be included that converts movement of the energy conversion device into electrical signals. Additionally, an energy storage device receives and stores the electrical signals from the solar cell and the energy conversion device. The energy storage device is also adapted to supply energy to a lamp that emits light. | 09-25-2008 |
20080259627 | LIGHTING SYSTEM AND METHOD - A lighting system and method enables the generation of light in a manner that reduces the generation of electromagnetic interference (EMI) and/or radio frequency interference (RFI). In one embodiment, a light source emits light upon receiving a substantially linear signal that is generated in response to a pulse width modulated (PWM) signal. | 10-23-2008 |
20100327745 | OPTO-THERMAL SOLUTION FOR MULTI-UTILITY SOLID STATE LIGHTING DEVICE USING CONIC SECTION GEOMETRIES - A light assembly | 12-30-2010 |
20120169235 | Light Assembly Having Light Sources and Adjacent Light Tubes - A light assembly includes a light source circuit board and a plurality of light-emitting diodes disposed on the light source circuit board. A plurality of light pipes axially extends from and adjacent to each light-emitting diode. Each light pipe has a respective first end adjacent to the plurality of light-emitting diodes and a second end opposite to the light-emitting diodes. The plurality of light pipes communicates light from the light-emitting diodes therethrough and defines a cavity therebetween. A plurality of thermal vanes forms a heat sink for removing heat from the light-emitting diodes. The plurality of thermal vanes extend adjacent to the plurality of light pipes. A driver circuit board is disposed within the cavity. | 07-05-2012 |
20140043808 | LIGHT ASSEMBLY WITH A HEAT DISSIPATION LAYER - A light assembly includes a light source circuit board, a plurality of light sources disposed on the light source circuit board, a housing thermally coupled to the light source circuit board and a lens cap assembly comprising a lens cap and a heat dissipation layer. The heat dissipated layer distributes heat from the light source circuit board through the lens cap and external to the light assembly. | 02-13-2014 |
Patent application number | Description | Published |
20110254441 | SOLID STATE LIGHT ASSEMBLY WITH CONTROL CIRCUIT - A light assembly that includes a cover, a housing coupled to the cover, and a lamp base coupled to the cover. The light assembly also includes a first circuit board disposed within the housing. The first circuit board has a plurality of light sources thereon. A heat sink is thermally coupled to the light sources and is disposed within the housing. The heat sink includes openings therethrough. Each of the outer edges is in contact with the housing. The light assembly also includes an elongated control circuit board assembly electrically coupled to the light sources of the first circuit board and the lamp base. The control circuit board extends through the openings. The control circuit board has a plurality of electrical components thereon for controlling the light sources. | 10-20-2011 |
20110255277 | SOLID STATE TUBE LIGHT ASSEMBLY - A light assembly that includes an elongated housing, a reflective parabolic cylindrical surface within the elongated housing having a focal line and an elongated cover coupled to the elongated housing. The light assembly also includes a plurality of light sources spaced apart longitudinally and emitting light toward the parabolic cylindrical surface. The parabolic cylindrical surface reflects light from the light sources out of the housing through the cover. | 10-20-2011 |
20110255278 | SOLID STATE LIGHT ASSEMBLY HAVING LIGHT REDIRECTION ELEMENTS - A light assembly that includes an enclosure, a circuit board having a plurality of light sources disposed within the enclosure, and a plurality of light redirection elements associated with a respective one of the plurality of light sources. Each of the light redirection elements directs light toward a common point within the enclosure. | 10-20-2011 |
20110255282 | SOLID STATE LIGHT ASSEMBLY HAVING LIGHT SOURCES IN A RING - A light assembly having an axis of symmetry that includes an enclosure comprising at least a base and a cover coupled to the base. The light assembly also includes a plurality of light sources disposed on a circuit board within the enclosure in a first ring having a center point aligned with the axis of symmetry. The light assembly also includes a reflector that has a first focal point within the cover and a plurality of second focal points disposed in a second ring coincident with the first ring. | 10-20-2011 |
20110255283 | SOLID STATE SPOT LIGHT ASSEMBLY - A light assembly that includes a base, a housing extending from the base having a partial paraboloidal cross-sectional surface, a light-shifting element disposed within the housing, and a plurality of light sources coupled to the housing. The light sources generate light. The light assembly also includes an angular portion reflecting light from the light sources toward the parabolic cross-sectional surface so that the light reflected from the parabolic surface is directed toward the light-shifting element and light reflected from the light-shifting element is directed out of the housing after reflecting from the housing. | 10-20-2011 |
Patent application number | Description | Published |
20110095995 | Infrared Touchscreen for Rear Projection Video Control Panels - A control panel system has a projection screen with an inside surface for being illuminated to produce a graphical display and with an outside surface accessible to a user. An illumination source projects radiation to illuminate the projection screen, wherein the radiation includes visible radiation and infrared radiation. An optical distribution system distributes the visible radiation according to an image for the graphical display and distributes the infrared radiation according to a predetermined pattern, wherein the projection screen transmits the infrared radiation out from the outside surface where it can be reflected back toward the optical distribution system by a manually-controlled object that is placed by the user in relation to the image. An infrared sensor receives the reflected infrared radiation from the optical distribution system and generates a detection signal identifying the location of the manually-controlled object in response to the predetermined pattern. | 04-28-2011 |
20120224151 | Light Engine Using Common Building Blocks - A light engine combines light of first, second, and third color ranges using three pentagonal prism elements. Each prism has first and second diagonal surfaces. Each first diagonal surface has a first dichroic treatment and each second diagonal surface has a second dichroic treatment. The prisms are arranged with the first diagonal surface of the first prism juxtaposed with one diagonal surface of the third prism and with the second diagonal surface of the second prism juxtaposed with the other diagonal surface of the third prism. A first light beam of the first color is reflected at a right angle by the first diagonal surfaces, and a second light beam is reflected at a right angle by the second diagonal surfaces. A third light beam of the third color passes unreflected through the surfaces to produce a combined light beam or common output light path. | 09-06-2012 |
20130088711 | DYNAMIC HEADLAMP AIM BUY-OFF WINDOW - A method for aiming headlamps on a vehicle achieves a reduced variation in beam heights without making any changes to existing test equipment. A cutoff height of a first headlamp is measured. The first headlamp is adjusted until a first measured cutoff height is within a predetermined range centered on a predetermined fixed height. A cutoff height of a second headlamp is measured. The second headlamp is adjusted until a second measured cutoff height is within the predetermined range centered on the first measured cutoff height. | 04-11-2013 |
20140333843 | VIDEO DISPLAY WITH PHOTO-LUMINESCENT DYES - A video display system includes a light source configured to generate light and a substrate having a plurality of pixels deposited on a first side of the substrate. Each of the pixels is formed from a plurality of photo-luminescent dyes, and the light source is configured to project light onto the first side of the substrate to illuminate at least a subset of the photo-luminescent dyes in a raster pattern to generate an image. In another embodiment omitting the substrate, the photo-luminescent dyes forming the pixels are deposited directly onto a screen. | 11-13-2014 |
Patent application number | Description | Published |
20110169410 | LIGHT EMITTING DIODE HEADLAMP FOR A VEHICLE - A vehicle exterior lamp is provided with an array of light emitting diodes (LEDs) with rows and columns and each LED positioned at an intersection thereof. An LED is illuminated by selectively applying a signal to the row and column corresponding to the LED position. A vehicle headlamp lighting system is provided with an array of LEDs with rows and columns, and each LED positioned at a row and column intersection. The lighting system has a control module for selectively illuminating the LEDs by applying a signal to the rows and to the columns corresponding to the location of the LEDs to be illuminated. A vehicle headlamp is provided with an optical structure for reflection and refraction of light and LEDs. Light emitted by the LEDs interacts with the optical structure and exits the headlamp in a generally perpendicular direction to the LED emitted light. | 07-14-2011 |
20120186622 | MOLDED-IN SOLAR MODULE AND METHOD FOR MANFACTURING THE SAME - A flexible solar module and manufacturing method for a portable device as an in-mold decoration is described. The solar module includes a flexible photovoltaic sheet of a predetermined shape and size, having an overmolded non-active side, mounted on the surface of a portable device. An electrical connection connected to the overmolded photovoltaic sheet terminates at any of the elements in the portable device requiring electrical power. | 07-26-2012 |
20120203432 | Adaptive Front-Lighting System with Fuzzy Logic Control - An adaptive front-lighting system is provided for a vehicle, such as a passenger car, truck, or tractor trailer. A plurality of LED light sources on the vehicle have a projection pattern for exterior illumination to supplement a main beam from a main light source. A power supply drives the LED light sources according to a driving signal having a magnitude between a minimum driving signal and a maximum driving signal, wherein the LED light sources sequentially illuminate in response to the magnitude of the driving signal. A speed sensor characterizes an instantaneous vehicle speed. A turn sensor characterizes an instantaneous turning radius. A fuzzy controller generates the driving signal in response to the instantaneous vehicle speed and the instantaneous turning radius based on a fuzzy model. The fuzzy model is characterized by a plurality of empirically-derived fuzzy rules that define discontinuous values and by a plurality of modified consequents that produce a substantially continuous output. | 08-09-2012 |
20120218417 | SHORT THROW RATIO FLUORESCENT COLOR VIDEO DISPLAY DEVICE - A short throw ratio projection display system that produces high-resolution and high-dynamic range images. The system comprising a scanning laser for generating a light beam optically modulated with image information. The system further includes an image plane, in light of sight of the light beam, the image plane coated with an image-enhancing layer on a first side and a layer of fluorescent material strips on a second side. The image plane generates an image corresponding to the image information by absorbing the light beam and emitting visible fluorescent light corresponding to the intensity of the light beam falling on the fluorescent material. | 08-30-2012 |
20130114282 | CRYSTAL OFF-AXIS LED HEADLAMP - A light assembly for motor vehicles includes a body made of a light-transmitting material. The light-transmitting material preferably includes a front light-emitting surface, and a plurality of rear surface portions that provide for inward reflection of light from a plurality of LEDs or other light sources. The reflective surface portions may be in the form of truncated parabolas having flat upper, lower, and/or side surfaces to reduce the overall height and/or width of the light assembly. The reflective surfaces can be oriented at off-axis relative to a vehicle axis to provide a specific beam intensity and direction. | 05-09-2013 |
20130265791 | VEHICLE LIGHT ASSEMBLY WITH PHOTON RECYCLING - A vehicle light assembly comprising a light chamber secured to a vehicle member. The chamber includes a partially transmissive lens and an interior. The interior includes a plurality of isotropically luminant surfaces and a substantially reflective surface. Further, the vehicle light assembly includes a light source arranged within the light chamber, and the light source is substantially oriented to emanate light that initially strikes the substantially reflective surface, propagates within the chamber along the isotropically luminant surfaces, and exits the chamber through the lens. | 10-10-2013 |
20140015637 | VIRTUAL VEHICLE ENTRY KEYPAD AND METHOD OF USE THEREOF - Keypad indicia are integral with a window of a vehicle. The keypad indicia are formed using a ultra-violet (UV) fluorescent dye that is nearly invisible to a human eye until exposed to UV light. A UV light emitting device of the vehicle is configured for outputting UV light. The light emitting device is mounted for enabling the keypad indicia to be exposed to the outputted UV light thereby causing the keypad indicia to become readily visible by the human eye. An imaging device of the vehicle captures user interaction with the keypad indicia while the keypad indicia is exposed to the outputted UV light. The keypad interaction processor determines if a sequence of body part movements with respect to the keypad indicia that is captured by the imaging device during exposure of the keypad indicia to the outputted light corresponds to an access code of the vehicle. | 01-16-2014 |
20140192546 | VEHICULAR LIGHT GUIDES AND ASSEMBLIES WITH UNIFORM ILLUMINATION - A light guide is provided that includes a light chamber defined by isotropically luminant top, bottom, and back surfaces, and a front surface having a translucent lens. The light guide also includes a reflective diaphragm within the chamber that defines a top gap between the diaphragm and the top surface, and a bottom gap between the diaphragm and the bottom surface. The light guide further includes an LED light source located between the diaphragm and the back surface of the chamber. The light guide may also be configured with a front surface having a partially transmissive lens and no reflective diaphragm. A vehicle lighting assembly is also provided that includes a plurality of interconnected light chamber sections comprising light guides. | 07-10-2014 |
20140192547 | LOW PROFILE HIGHLY EFFICIENT VEHICULAR LED MODULES AND HEADLAMPS - A vehicle lighting module is provided that includes a lens having a plurality of near-field lens elements, an input surface, and an exit surface. The lighting module also includes an LED light source that directs incident light through the input surface and out of the exit surface. The plurality of lens elements is configured to transmit from the exit surface a collimated light pattern containing at least 60% of the incident light. Further, a vehicle headlamp assembly is provided that includes a plurality of vehicle lighting modules, each module comprising a lens, and an LED light source that directs incident light through the lens. The assembly further includes a case for housing the lighting modules. The lens includes a plurality of lens elements configured to transmit at least 60% of the incident light in a collimated, vehicular light pattern. | 07-10-2014 |
20140252879 | PLIABLE PROXIMITY SWITCH ASSEMBLY AND ACTIVATION METHOD - A proximity switch assembly and method for detecting activation of a proximity switch assembly is provided. The assembly includes a plurality of proximity switches each having a proximity sensor providing a sense activation field and control circuitry processing the activation field of each proximity switch to sense activation. A pliable material overlays the proximity sensors. The control circuitry monitors the activation field and determines an activation of a proximity switch based on a signal generated by the sensor in relation to a threshold when a user's finger depresses the pliable material. The pliable material may further include an elevated portion and an air gap between the elevated portion and the sensor. | 09-11-2014 |
20140268853 | SIGNAL ASSEMBLIES PROVIDING UNIFORM ILLUMINATION THROUGH LIGHT SOURCE LOCATION AND SPACING CONTROL - A signal assembly is provided that includes a chamber defined by isotropically luminant back and side surfaces, and a front surface having a lens and a diffuser. The signal assembly also includes LED light sources having a beam angle ≧70° coupled to the back surface. The back and front surfaces are separated by a depth, and each source is located at a spacing from the other sources≦the depth divided by a predetermined factor. The predetermined factor may be set to approximately 2.5 or 2.0 when the divergence angle of the diffuser is ≧20° or ≧30°, respectively. The signal assembly and its components can be configured to operate as a vehicular signal lamp. | 09-18-2014 |
20140306723 | PROXIMITY SWITCH ASSEMBLY HAVING PLIABLE SURFACE AND DEPRESSION - A proximity switch assembly and method for detecting activation of a proximity switch assembly is provided. The assembly includes a plurality of proximity switches each having a proximity sensor providing a sense activation field and control circuitry processing the activation field of each proximity switch to sense activation. A pliable material overlays the proximity sensors. A depression is formed in a substrate between the pliable material and the sensor. A groove may extend into the substrate between adjacent proximity switches. The pliable material may further include an elevated portion. | 10-16-2014 |
20140306724 | PROXIMITY SWITCH ASSEMBLY HAVING GROOVE BETWEEN ADJACENT PROXIMITY SENSORS - A proximity switch assembly and method for detecting activation of a proximity switch assembly is provided. The assembly includes a plurality of proximity switches each having a proximity sensor providing a sense activation field and control circuitry processing the activation field of each proximity switch to sense activation. A pliable material overlays the proximity sensors. The control circuitry monitors the activation field and determines an activation of a proximity switch based on a signal generated by the sensor in relation to a threshold when a user's finger depresses the pliable material. The pliable material may further include an elevated portion and an air gap between the elevated portion and the sensor. | 10-16-2014 |
20140334173 | UNIFORM ILLUMINATION OF LAMPS - One embodiment of a vehicle lamp assembly may include a housing, which includes a pair of opposing reflective surfaces defining a chamber therebetween. The assembly may further have a single light emitting diode (LED) disposed within the chamber and a lens carried by the housing. At least one of the reflective surfaces may have a grain pattern configured to interact the light emitted from the single LED with the housing in a range between one and five times before the housing directs the light through the lens. | 11-13-2014 |
20150078029 | LOW PROFILE HIGHLY EFFICIENT VEHICULAR LED MODULES AND HEADLAMPS - A vehicle headlamp module is provided that includes a lens having a plurality of near-field lens elements, a canted input surface, an exit surface and a cavity between the surfaces. The headlamp module also includes an LED lighting module that directs incident light through the input and exit surfaces. The lens elements are configured to transmit from the exit surface a collimated light pattern containing at least 60% of the incident light. In some embodiments, the exit surface includes a step-wise pattern of optical elements. In other implementations, a headlamp assembly is provided that includes a plurality of vehicle headlamp modules. Each headlamp module includes: a lens with a canted input surface and an exit surface, a bezel surrounding the lens, and an LED light source that directs incident light through the input surface. The lens of each module includes a plurality of near-field lens elements. | 03-19-2015 |
Patent application number | Description | Published |
20080275121 | N-HALOGENATED AMINO ACID FORMULATIONS AND METHODS FOR CLEANING AND DISINFECTION - The present invention relates to methods for disinfecting or cleaning a contact lens comprising contacting a contact lens with a formulation comprising a N-halogenated amino acid and a phase transfer agent for a time sufficient to disinfect or clean the lens. This specification further discloses a formulation for disinfecting a contact lens comprising an N-halogenated amino acid and a phase transfer agent. | 11-06-2008 |
20090253800 | INTERACTION CONTROL OF CATIONIC BIOCIDES USING LABILE ANIONIC POLYELECTROLYTES - Methods of inhibiting the uptake of cationic biocides into medical devices such as contact lenses and implants are described. Methods of stabilizing emulsions containing cationic biocides are also described. In particular, the present invention provides for the use of polymers acting as labile anionic polyelectrolytes to reversibly bind cationic biocides. The reversible binding can reduce the deleterious effects of cationic biocides while maintaining biocidal activity. Preferred polymers include galactomannan and polyvinyl alcohol. | 10-08-2009 |
20100158853 | POLYALKYLENE OXIDE POLYQUATERNARY AMMONIUM BIOCIDES - Disclosed are polyquaternary ammonium polymers containing polyalkylene oxide groups according to formula (I) wherein [A] | 06-24-2010 |
20100303930 | N-HALAMINE FORMULATIONS WITH ENHANCED ANTIMICROBIAL ACTIVITY - The present invention relates to antimicrobial formulations comprising an N-halamine and a quantity of sodium chlorite sufficient to enhance the antimicrobial efficacy of the N-halamine. The present invention is further directed to formulations for disinfecting a contact lens comprising an N-halamine and a quantity of sodium chlorite sufficient to enhance the antimicrobial efficacy of the N-halamine. | 12-02-2010 |
20110124734 | N-HALOGENATED AMINO ACID FORMULATIONS AND METHODS FOR CLEANING AND DISINFECTION - The present invention relates to methods for disinfecting or cleaning a contact lens comprising contacting a contact lens with a formulation comprising a N-halogenated amino acid and a phase transfer agent for a time sufficient to disinfect or clean the lens. This specification further discloses a formulation for disinfecting a contact lens comprising an N-halogenated amino acid and a phase transfer agent. | 05-26-2011 |
20110151017 | OPHTHALMIC SOLUTIONS WITH IMPROVED DISINFECTION PROFILES - The present invention relates to ophthalmic solutions with antimicrobial activity. The solutions have an antimicrobial compound such as hydrogen peroxide and a boron compound. In one embodiment, the solutions contain a boron compound such as sodium borate that provides antimicrobial activity in addition to that of hydrogen peroxide, particularly during periods following disinfection and neutralization of such solutions. This additional activity reduces the likelihood of microbial growth in contact lens disinfection applications that neutralize hydrogen peroxide. | 06-23-2011 |