Abstract: A tip for a mobility device which is capable of providing light and/or sound to aid in the safety of the user of the mobility device.

Abstract: A hand-held apparatus for directing the flow of traffic is disclosed. The palm side of a glove includes multiple high intensity red light emitting diodes (LEDs), and the back side of the glove includes multiple high intensity green LEDs. A control circuit coupled to the red and green high intensity LEDs periodically monitors the state of a motion and position sensor. When the state of the motion and position sensor corresponds to the palm side of the glove being in a vertical position with multiple fingers of the glove pointing skyward to within an acceptance angle of vertical relative to the ground, the control circuit illuminates the high intensity red LEDs. When the state of the motion and position sensor corresponds to the palm side of the glove not being in a vertical position relative to the ground, the control circuit illuminates the high intensity green LEDs.

Abstract: A visor vanity for use in a vehicle includes a vanity mirror, a light source for providing illumination to the user of the mirror or for other purposes, an energy source independent of the vehicle's electrical system for energizing the light source, a switch for causing light source to be energized by the independent power source or de-energized, and a timer for de-energizing the light source after a certain time period has passed so as to minimize depletion of the independent energy source. The light source may comprise one or more LEDs.

Abstract: The present invention provides a compact portable light source capable of providing powerful light as well as effect light and is especially suitable for professional use, i.e. for security, police and military use. The invention relates to a portable torch having a plurality of light emitting diodes and a heat sink, namely a portable torch (1) comprising a case (2) having a first and a second open ends, a first cap (3) covering the first open end and a second cap (4) covering the second open end, said first cap having a transparent area (6), illumination means having a diode area (11) comprising a plurality of light emitting devices (LEDs) arranged to emit light out of the first open end and through the transparent area (6) of the first cap (3), a heat sink (14) arranged to transport heat from the light emitting devices, a power source comprising a battery holder and means (7) for activating said power source operatively associated with said case (2).

Abstract: A showerhead and fluid-driven lighting system is described herein. The showerhead has a hollow body configured to receive incoming fluid and a fluid distribution element configured to release outgoing fluid from the hollow body. The fluid driven turbine unit is configured to receive incoming fluid and release outgoing fluid to the showerhead, and one or more lights are electrically connected to the fluid driven power supply. The illumination of the water droplets and/or the translucent showerhead body by the lights creates a pleasant showering experience for the user.

Abstract: A portable lighting device that is lightweight and features a space-efficient design includes a body containing a Lithium-ion (Li-ion) battery. The body includes a pair of pivot arms that are spaced from one another. A lamp assembly includes a lamp assembly housing containing a light source that is powered by the Li-ion battery. The lamp assembly housing is pivotally connected to each of the pair of pivot arms and positioned there between. A handle includes a gripping portion that is spaced from the body so that a gripping space is defined between the gripping portion of the handle and the body. A removable bumper pad is positioned on the bottom of the body. The portable lighting device features recesses on opposite sides that are engaged by corresponding tabs on a charging rack. This prevents non-compatible lighting devices from being positioned on the charging rack.

Abstract: A battery powered flashlight is described that has a pivot contact with an off-center pivot point and/or battery polarization is described. The flashlight is configured to allow batteries to be dropped into place without interference with internal flashlight components.

Abstract: Disclosed examples of lighting systems having at least three light sources of different colors may be controlled by validating input settings representing chromaticity and/or intensity of desired light to be generated by determining if the respective lighting system is capable of generating the desired light. This may involve comparing the chromaticity and/or intensity to a three-dimensional gamut representing chromaticity and associated intensities that the lighting system is capable of generating. The top contour of the gamut represents the maximum intensities for every chromaticity which the lighting system is capable of generating. Specifically the top contour is defined by points representing the maximum attainable intensities that each light source is capable of generating and the maximum intensity attainable by the lighting system.

Abstract: The invention relates to a method and a device for grouping at least three lamps (1) and for assigning the lamps (1) to at least one operating unit. It is time-intensive to equip one or a plurality of rooms or halls within a building with lamps (1), particularly a grouping of lamps (1), and assigning lamps (1) to at least one operating unit. Therefore, grouping of lamps (1) and assigning the lamps (1) to at least one operating unit should be simplified. In accordance with the invention, a lamp (1) emits light and the other lamps (1) measure light, and distances between the lamps (1) are determined in dependence upon at least one light value and the lamps (1) are assigned to at least one operating unit in dependence upon the distances.

Abstract: The disclosed subject matter includes providing a surface light source device with a high brightness and a uniform brightness and a LCD unit having the same qualities. The surface light device can include a plurality of line light sources mounted on a circuit board and a light guide located above the plurality of line light sources. The light guide can include a bottom surface for receiving light emitted from the plurality of line light sources and a top surface configured to reflect the light totally on an inner surface thereof. The light can be emitted upwards from the top surface after repeating many total reflections in the light guide. Therefore, the light that is emitted can have a uniform brightness. The surface light source device can define the brightness and the shape for the LCD unit according to variations of the plurality of line light sources and the light guide.

Abstract: A light emitting device, comprising a flexible substrate (2) with a single, structured conductive layer (5), and a plurality of LEDs (3) arranged on said substrate (2), said structured conductive layer (5) forming electrodes for driving said LEDs (3). The structured conductive layer comprises a plurality of heat dissipating pads (8), each having an area significantly larger than the area of each LED (3), and each LED (3a) is thermally connected to at least one of said pads (8a), and electrically connected in series between two pads (8a, 8b). Through this design, each LED is thermally connected to a relatively large heat dissipating area, and the thermal energy built up in the LED will be distributed over this area, and then dissipated upwards and downwards from this area. As the addressing can be handled by a single conducting layer, the flexibility of the substrate is improved compared to multilayer substrates.

Abstract: Disclosed is an intense pulse light device, in which plural divided light filters coated with individually different materials are rotatably and uniformly aligned around a reflection mirror in order to selectively filter lights according to wavelengths thereof, so that it is not necessary to exchange a handle body or filters, thereby improving convenience of use for the IPL device, and in which the loose contact of power lines and signal lines, leakage of cooling water, and penetration of impurities can be prevented, thereby improving reliability of IPL device. A semicircular reflection mirror aligned around a flash lamp installed in a body and a light filter section is aligned around the reflection mirror while forming a predetermined space therebetween. The light filter section is uniformly divided into two or four light filters so as to increase selectivity for the light radiated from flash lamp.

Abstract: A light source module for a projection apparatus including a light source unit, a fan, a temperature sensor and a temperature controller is provided. The fan is disposed towards the light source unit and is capable of cooling the light source unit. The temperature sensor is disposed adjacent to the light source unit and is capable of sensing an operating temperature of the light source unit. The temperature controller is electrically coupled to the fan and the temperature sensor, and is capable of adjusting a rotation speed of the fan according to the operating temperature of the light source unit. The invention is capable of keeping the operating temperature of the light source unit at or close to the predetermined operating temperature thereof by adjusting the rotation speed of the fan.

Abstract: An optical sheet includes a light scattering layer which scatters light made incident from an incident surface to an emission surface side and a plurality of light reflecting portions which reflect light scattered by the light scattering layer to the light scattering layer side. The optical sheet further includes a plurality of light transmitting portions constituted of an air layer for transmitting the scattered light to lenticular sheets. The plurality of the light transmitting portions are arranged along a longitudinal direction so as to form a convex portion with respect to a non-lens surface. Consequently, the light reflecting portions and the light transmitting portions are disposed alternately in stripes along an arrangement direction.

Abstract: The invention relates to an illumination unit that comprises at least a reflector (3) and a UHP lamp (2), which UHP lamp has at least one burner (20) having a discharge chamber (21), wherein, when the lamp is operating, at least part of the IR light emitted from the burner material of the UHP lamp (2) makes its way back to at least a part of the burner (20) by reflection from the reflector (3) and/or from another component of the illumination unit (1).

Abstract: An apparatus comprises a light source, preferably an LED, a reflector, a light-conducting element mounted on the light source for directing light from the light source to an end of the light-conducting element, and a lens mounted on the end of the light-conducting element for directing light into a central beam. Light from the light source is directed to the reflector into a peripheral beam. The central and peripheral beams comprise substantially all of the light generated by the light source. The lens is in effect mounted on a pedestal above the LED. The pedestal transmits all the light rays in the central solid angle to the lens without loss.

Abstract: Reflector lamp, particularly metal halogen vapor reflector lamp, comprising a reflector, which is rotationally symmetric about a central axis and which encloses, together with a cover, a lamp interior and which tapers toward a neck region opposite the cover, wherein a burner comprising a burner space and also pinched seals, which lie diametrically opposite each other on opposing sides of the burner space and through which corresponding supply lines are run, is arranged on the central axis in the lamp interior, wherein a tubular shielding enclosure, which is connected to the burner by means of a spring clip, is provided at least partially surrounding the burner.

Abstract: An optical film and a display device having the same are disclosed. The display device comprises a display panel including a plurality of subpixels and an optical film disposed at one side of the display panel, the optical film includes a base film and a plurality of prisms, wherein a bias angle between a long axis direction of the subpixels and a longitudinal direction of the prisms is substantially 2 to 88 degrees.

Abstract: Methods and apparatus for a flush mounted CFL downlight. In an exemplary embodiment, a downlight lighting device includes a base adapted for engagement to a surface of a structure, a compact fluorescent lamp (CFL) coupled to the base, and a ballast integrally coupled to the base and electrically coupled to the CFL, the ballast and the CFL being generally parallel, wherein the device is configured to be flush mounted on the surface.

Abstract: In a light-emitting device including a base body portion which is configured by integrally forming a reflection case and a terminal holding portion provided at the rear portion of the reflection case and lead members to be inserted into the base body portion, portions of the lead members extracted outside of the base body portion are bent along the terminal holding portion to form a pair of connection portions to be connected to the pattern of a wiring board, respectively, a plurality of radiation plates are provided at the lead member. The plurality of the radiation plates are extracted from the same surface (lower surface) of the base body portion. Since the plurality of radiation plates are provided, at the time of being the radiation plates, the base body portion is prevented from being applied with an excessive force and the damage of the base body portion can be prevented.

Abstract: Light modules are provided. A light module includes a circuit board, a lighting element electrically connected to the circuit board, and a first thermal plate. The circuit board has a through hole communicating a first side and a second side thereof. The lighting element is disposed on the first side of the circuit board and located corresponding to the through hole. The first thermal plate is disposed on the second side of the circuit board, opposite to the first side, and comprises a first protrusion extending through the through hole and connecting the lighting element.

Abstract: A cable management system for managing at least one cable extending through a support arm and through a hub, comprised of a spool disposed in a hub. The spool has an opening extending through a wall of the spool. A cable carrier is disposed within the support arm. The cable carrier is dimensioned to contain at least one cable extending through the support arm, a first end fixed relative to the support arm and a second end extending towards the hub. The cable carrier is disposed in the support arm such that the cable carrier replicates upon itself to define a first run and a second run. The second end of the cable carrier is movable relative to the hub when the support arm rotates about the hub, wherein the first run shortens and the second run lengthens when the support arm rotates in a direction about the hub.

Abstract: A headlamp having a selectable beam is provided. The headlamp having the selectable beam is configured such that a low beam and a high beam are selectable, and the headlamp includes a first lamp section which forms a low-beam light distribution pattern if the low beam is selected; a second lamp section which forms a high-beam light distribution pattern if the high beam is selected; and a control unit which controls the second lamp section based on an inclination angle of a body on which the headlamp is mounted.

Abstract: A rotorcraft, such a helicopter or a tiltrotor aircraft, includes a light emitting device configured to provide light at a tip of a rotor blade. The light emitting device includes a light emitting diode arranged on the rotor blade, and a power source, wherein the power source is configured to power the light emitting diode due to a movement of the rotor blade. The power source may include a piezo-electric material configured to create a voltage due to movements of the rotor blade or an electrical generator including a stationary magnet assembly and a moveable coil assembly arranged on a shaft that rotates the rotor blade.

Abstract: A lighting and/or signalling device for a motor vehicle comprising: an outer wall delimiting the interior and exterior of a closed chamber, a casing, a closing glass closing the casing, the glass and casing forming at least partly the outer wall of the chamber, at least one light source inside the chamber, at least one heat exchange zone for transferring heat from inside to outside the chamber outer wall including the heat exchange zone, the heat exchange zone being able to be in contact with a fluid capable of circulating in the region of this heat exchange zone, so that the fluid enables heat emitted in the region of the heat exchange zone to be evacuated.

Abstract: A lighting system for a vehicle comprises a sealed unitary light module including at least one high-intensity power light emitting diode operates with a luminous efficiency of at least about 7 lumens per watt when passing a forward current of at least about 350 milliamps and that emits a luminous flux of at least about 25 lumens when operated at its operating voltage. The sealed unitary light module is removable as a unit from the vehicle and includes a heat dissipating element and a lens.

Abstract: A vehicle headlamp system and a vehicle headlamp are provided. The headlamp system includes a plurality of headlamps, one headlamp disposed on each of the right and left sides of a front end portion of a vehicle. Each of the headlamps includes a lamp body having an opening portion, a transparent cover attached to the opening portion to form a lamp chamber, and a plurality of lamp units arranged inside the lamp chamber along a width direction of the vehicle. An outer side portion of the transparent cover extends toward a rear side of the vehicle. Each of the lamp units includes a light emitting element disposed such that a light emitting surface thereof faces an inner side in the width direction of the vehicle, and a reflector disposed on an inner side of the light emitting element to forwardly reflect light from the corresponding light emitting element.

Abstract: A lamp unit is provided. The lamp unit includes a light emitting element disposed on an optical axis so as to face in a direction substantially orthogonal to the optical axis, a first reflector facing the light emitting element to forwardly reflect light from the light emitting element, and a direct light control member disposed in front of the light emitting element for controlling direct light directed toward a region in front of the first reflector from the light emitting element without being incident on the first reflector. The direct light control member includes a first lens portion which deflects a first portion of the direct light in a direction approaching the optical axis, and an extended portion extending from the first lens portion. The extended portion controls a second portion of the direct light differently from the first lens portion.

Abstract: A vehicle lamp includes a plurality of semiconductor light emitting devices, and a reflector for reflecting light emitted from the semiconductor light emitting devices toward a front side of the vehicle lamp. The reflector is partitioned into a plurality of light emitting areas that are radially formed around an optical axis extending in a front-rear direction of a vehicle. Each of the semiconductor light emitting devices is disposed on an outer peripheral portion of one of the light emitting areas respectively. Each of the reflecting surfaces of the reflector is provided in one of the light emitting areas respectively.

Abstract: Lights, for example, in the form of rear lights, have luminous fields (11, 12, 15, 16, 17, 22) in the form of the flasher, the brake light, the tail light and the back-up light. In order to guarantee a homogeneous illumination that is as uniform as possible, the light has reflectors, of which a first reflector reflects the light, coming from a light source, to a luminous field (11, 12, 15, 16, 17, 22), respectively a pane (10). The side of this reflector that faces away from the pane (10) has the additional reflector, which reflects the light of an additional light source past the first reflector to the pane (10). The additional light enables a homogeneous illumination without the need for a lot of technical complexity. The light is intended, in particular, for motor vehicles.

Abstract: A headlamp is provided with a lamp unit provided in a lamp housing formed by a lamp body and a transparent cover for covering a front side of the lamp body. The lamp unit is supported in the lamp housing in a suspending state in such a condition that the lamp unit can be swung in vertical and horizontal directions. An output shaft coupled to a lower end of the lamp unit can be rotated around its axis and slide in a direction perpendicular to the axis. A rotation of the output shaft around its axis is transmitted to the lamp unit. By a movement of the output shaft in the direction perpendicular to the axis, a rotation between the output shaft and the lamp unit causes.

Abstract: A vehicle lamp includes a plurality of semiconductor light emitting devices and a reflector for reflecting light emitted from the semiconductor light emitting devices toward a front side of the vehicle lamp. The reflector is formed into a shape whose front area is open. A plate-like partition member is disposed inside the reflector to partition the reflector into a plurality of reflecting areas. The semiconductor light emitting devices are mounted on the plate-like partition member in respective reflecting areas such that optical axes of the semiconductor light emitting devices are directed in a direction substantially perpendicular to a lamp optical axis.

Abstract: An electrical center assembly used in a vehicle provides ambient light to the assembly and the area around the assembly using a light-emitting diode. The electrical center assembly generally includes a housing, an electrically conducting link, removable electrical components and at least one light-emitting diode for illuminating the electrical center.

Abstract: A vehicle headlamp is provided. The vehicle headlamp includes a lampshade, a lamp base provided at the lampshade, a light source module provided at the lamp base, a light source adjusting mechanism connected between the lampshade and the lamp base and a heat dissipation module. Wherein, lampshade has an opening, and the light source adjusting mechanism can adjust the relative position between the lampshade and the lamp base. In addition, the heat dissipation module provided between the light source module and the lamp base can extend to the external side of the lampshade via the opening.

Abstract: Apparatus, methods, and other embodiments associated with retrofitting existing vehicle lamps are described herein. In one embodiment, an apparatus for retrofitting an existing vehicle lamp comprises a circuit board, a light emitting diode, a plug, and a lens. The light emitting diode is positioned on the circuit board. The plug is in electrical communication with the light emitting diode. The plug is arranged to be placed in electrical communication with a vehicle electrical system when the plug is inserted into a socket of the existing vehicle lamp. The lens is arranged to be securable to a base of the existing vehicle lamp.

Abstract: An illuminating device has a light pipe that is elongate in shape and has a light-emitting face running in the direction of a longitudinal axis. A light-reflecting face is disposed opposite the light-emitting face, and the light-reflecting face has a plurality of prismatic cuts. Each prismatic cut includes a front face oriented at an angle B from a normal axis, the normal axis being 90 degrees from the longitudinal axis of the light pipe. The angle B is in the range of about 5 degrees to about 45 degrees and is such that it allows light to refract through at least one prismatic cut and then be internally reflected.

Abstract: 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.

Abstract: A light supply unit comprises optical fibers, LEDs, optical connectors, and a controller. The optical fibers constitute optical fiber groups which extend to their respective illumination positions different from each other. The optical connectors optically connect one ends of the optical fibers to the respective LEDs. The controller controls light emissions of the respective LEDs.

Abstract: The present invention provides an improved optical light diffusing system for effective and uninterrupted illumination purposes. In particular, the invention is concerned with providing a light collector in the improved diffusing light device that can direct light from a light source to at least one diffusing light guide and can thus prevent the formation of excessively visible or discrete zones within the light guide, resulting in quite uniform and continued lines of light wherein the level of luminance can be flexibly adapted according to different illumination applications.

Abstract: An illuminated patch for fixing to apparel, headwear, or the like, is disclosed. The patch comprises a substantially flat decal that has at least one portion that is non-opaque, a front side and a back side. The back side of the decal is fixed to a front side of a substantially flat light-conducting diffuser that also includes a front side. A light conducting element is further included that has at least one end through which light may be introduced. A backing plate is included that has a front side, a back side, and a trough formed on the front side thereof for accommodating the light conducting element therein. The front side of the backing plate is fixed to the back side of the diffuser with the light conducting element captured therebetween. A light source is included for emitting light into the at least one end of the light conducting element.

Abstract: Provided are solid state lighting devices and methods for forming the same. A solid state lighting tile according to some embodiments of the invention includes a substrate, a solid state lighting element mounted on a surface of the substrate, and a reflector sheet on the surface of the substrate. A method of forming a solid state lighting device according to some embodiments of the invention includes providing a substrate of a solid state lighting tile, mounting a solid state lighting element on a surface of the substrate, and attaching a reflector sheet to the surface of the substrate.

Abstract: A back light module includes a light guide plate, a light emitting unit, and a prism sheet. The light guide plate has a bottom surface, a light output surface opposite to the bottom surface, a light incident surface connected to the bottom surface and the light output surface, and multiple cambered diffusion portions on the light output surface. The cambered diffusion portions are paralleled to one another. Each cambered diffusion portion has a cambered surface. The light emitting unit is disposed near the light incident surface. The prism sheet is disposed over the cambered diffusion portions and has multiple linear prisms protruding toward the light guide plate. The linear prisms are paralleled to one another. The stretching direction of the linear prisms is substantially perpendicular to that of the cambered diffusion portions. Backlight uniformity can be improved and the viewing angle of the backlight system also increases in specific direction.

Abstract: A light guide plate for uniformly emitting light from an entire face using light taken in through an end face, includes: a parent prism formed on a face opposing to a light emitting face of the light guide plate; and a child prism formed on an inclined face of the parent prism on the end face side of the light guide plate; wherein the parent prism and the child prism convert the advancing direction of the light taken in through the end face so that the light is emitted from the light emitting face.

Abstract: The fastening apparatus utilizes a hanger and a hook disposed on the first side of a base of the fastening apparatus for hanging and fixing the fastening apparatus on a back cover of the LCD device. A groove divides the base into two parts and the outer part of the base as well as the hook is flexible relative to the inner part of the base. Two crack arresters are disposed at the end of the groove for preventing cracking of the fastening apparatus when repeated bending movement is needed while installing the fastening apparatus.

Abstract: Provided is a high voltage power supply which includes a controller to provide a PWM signal and a power signal, an input unit to receive the PWM signal provided from the controller, a comparison unit to control output of the power signal supplied from the controller by comparing a signal filtered to a DC voltage by the input unit to a voltage reference signal, a transformation unit to transform the power signal output from the comparison unit, and a rectification unit to rectify the signal output by the transformation unit, wherein the high voltage power supply further includes a power input delay unit to delay the supply of the power signal to the comparison unit by a predetermined time from when the power supplied from the controller for input into the comparison unit.

Abstract: An amplifier is driven by DC voltage from a switchmode power supply, whereby the switchmode power supply includes on the primary side a primary winding and bias supply winding. The bias supply winding supplies a reflected voltage from a secondary winding to a bias supply capacitor. The bias supply capacitor drives the control circuit and provides a sensing to the control circuit. The power supply further includes an active clamp circuit for controlling the voltage stress on a main switch. In another embodiment, boost inductors and a balancing transformer are added on the primary side of the transformer to prevent overvoltage conditions at light loads.

Abstract: A switching-mode power supply is configured so that two power supply lines are connected with each other via a series circuit consisting of a main switching element, a switch, and a transformer. The switching-mode power supply further includes a ripple voltage detecting circuit for detecting that a ripple voltage in one power supply line has a predetermined amount or more when a half short-circuit occurs in the main switching element. When the ripple voltage detecting circuit detects that the ripple voltage has a predetermined amount or more, the switch is opened so as to block supply of a current (supply of a voltage) to the main switching element. This allows the switching-mode power supply to avoid, with a simple circuit configuration and low costs, being an unstable state when the half short-circuit occurs in the main switching element.

Abstract: A switching controller for parallel power converters is disclosed. The switching controller includes an input circuit coupled to an input terminal of the switching controller to receive an input signal. An integration circuit is coupled to the input circuit to generate an integration signal in response to the pulse width of the input signal. A control circuit generates a switching signal for switching the power converters. The switching signal is enabled in response to the enabling of the input signal. A programmable delay time is generated between the input signal and the switching signal. The pulse width of the switching signal is determined in response to the integration signal.

Abstract: An apparatus and method for controlling an inverter capable of enhancing reliability of current measurement by ensuring an optimal time for which effective voltage vectors are applied to detect a three-phase current according to a phase current and sizes of the effective voltage vectors, the apparatus comprising a space voltage modulator that generates and outputs effective voltage vectors based upon a voltage command value, and a low modulation determiner that determines whether the effective voltage vectors are located within a low modulation region, and outputs a low modulation switching control signal or a normal modulation switching control signal according to the determination.

Abstract: A power conversion circuit includes main terminals that receive a first electrical energy from a main power source. An electric motor has input terminals that are coupled to the main terminals. The electric motor receives a second electrical energy as a current input based on the first electrical energy and converts the electrical energy into mechanical energy to generate a mechanical output. An electric generator generates a current output, which is greater than or equal to the current input, based on the mechanical output. Distribution terminals are coupled to a distribution circuit of a building and receive the current output. Voltage across the input terminals is approximately equal to voltage across the distribution terminals.