Abstract: A thin transparent layer can be integrated in a head mounted display device and disposed in front of the eye of a wearer. The thin transparent layer may be configured to output light such that light is directed onto the eye to create reflections therefrom that can be used, for example, for glint based tracking. The thin transparent layer can be configured to reduced obstructions in the field of the view of the user.

Abstract: Provided are a towing accessory for vehicles and method of operating them. The accessory comprises a mounting frame; suction cups, mounted to the frame in a spaced-apart arrangement; and a ferromagnetic attachment member attached to the frame at a side opposite the suction cups. Magnetic tow light system may thus attach to vehicles surfaces that are not magnetic via the accessory. The accessory has rotatable adjustments to enable the lights to face the required direction and mount to contours of the vehicle.

Abstract: A foldable light assembly includes a first elongated component rotatably connected to a second elongated component between a use position and a folded position. A light is attached to either the first or the second elongated components. The first elongated component includes an external surface having a first portion with a first profile and a second portion with a second profile, in which the first profile has less curvature than the second profile. The second elongated component includes a first extending member and a second extending member each with an internal surface having a third portion with a third profile and a fourth portion with a fourth profile, in which the fourth profile has less curvature than the third profile. In the use position, the third profiles are contiguous with the second profile. In the folded position, the fourth profiles are contiguous with the first profile.

Abstract: A vehicle lamp assembly includes, a lamp housing defining an interior cavity and an exterior surface, a circuit board disposed within the interior cavity, the circuit board including a memory device, microprocessor and a connector for establishing a communication link with the memory device and the microprocessor. A vent opening within the lamp housing aligned with the connector on the circuit board and a permeable membrane is attached over the vent opening. Alignment of the vent opening with the connector provides access for reflashing upon removal of the permeable membrane.

Abstract: A diode with a current sensor is disclosed. The diode includes an anode region, a cathode region, and a channel-stop region. The diode further includes a sense resistor that is connected between the channel-stop region and the cathode region. When the diode is forward biased, a sense current flows through the sense resistor that corresponds to the forward current flowing through the diode. When the diode is reverse biased, the channel-stop region helps prevent a breakdown condition in the diode.

Abstract: A lighting device includes a housing; a plurality of light emitting diodes (LEDs) located on a first side of the housing; a plurality of switches for controlling the plurality of LEDs; and a controller operably coupled with the plurality of switches and configured to control operations of the plurality of LEDs in response to inputs received via the plurality of switches. Each of the plurality of switches is exposed through a corresponding hole formed at the housing, and a top surface of each of the plurality of switches is lower than a surface of the housing through which the plurality switches are exposed.

Abstract: A modular headlamp assembly includes a low beam headlamp module, a high beam headlamp module, and front turn/parking lamp module. The low beam headlamp module and the high beam headlamp module are supported by a reflector carrier. Each of the high and low beam headlamp modules includes a heat sink and mounting assembly with a heat sink portion bisecting a reflector member. The reflector carrier is adjustably fastened to a housing to allow for adjustment of the high and low beam headlamp modules within the modular headlamp assembly.

Abstract: The disclosure provides a heat sink for electrical elements and a light-emitting device containing thereof. The heat sink includes a radiating substrate and at least one hollow radiating channel. In which, the hollow radiating channel is horizontally embedded in the radiating substrate, and has two openings disposed on the same site or the opposite sites of the radiating substrate, so that gas may flow in the hollow radiating channel and remove heat of the radiating substrate. And a light-emitting device containing the heat sink is also provided.

Abstract: A lighting device for mounting on a mounting surface may include: a planar solid state lighting module having a light emitting region and peripheral holes for fixing members to the mounting surface to extend therethrough, a peripheral gasket extending along the periphery of the lighting module; the gasket having, at the holes of the lighting module, ear-like extensions having a perforation therein, said ear-like extensions extending inwardly of the gasket to align the perforations therein with the holes in the lighting module, a housing which frames the lighting device with the gasket applied onto the lighting module. The housing has apertures aligned with the holes in the lighting module and the perforations in the ear-like extensions of the gasket, as well as a window to expose the light emitting region of the lighting module, with a light permeable screen which sealingly closes said window.

Abstract: A lighting apparatus for a vehicle includes a light source and a light pipe. The light pipe has a first end coupled with the light source, a second end, and a side surface extending between the first and second ends for radially emitting light. A carrier surrounds the side surface and includes an opaque portion and a translucent portion. The opaque portion abuts the side surface for preventing light from emitting beyond the side surface. The translucent portion extends adjacent to the opaque portion.

Abstract: A method of examining an object containing a polycrystalline material, in which at least one part of the surface of the object is illuminated with substantially isotropic light, as well as a illumination device for carrying out the method. In this manner, the polycrystalline material is less influenced by the different reflection characteristics of individual particles of the polycrystalline material.

Abstract: Disclosed is a lighting device which comprises: an optical member comprising a protruding optical pattern forming a gap with an adjacent layer; at least one light emitting unit inserted into the optical member; and a resin layer formed on the optical member and the at least one light emitting unit, whereby it is possible to obtain an effect that the shapes of light change depending on the viewing angle when viewing the light source by producing various protruding optical patterns, an effect that the whole thickness can be reduced, and an effect that the degree of design freedom can be enhanced when designing products thanks to an enhanced flexibility.

Abstract: A lighting device for a motor vehicle includes a light source, at least two plate-shaped light guide elements having at least some areas that scatter or refract light, and a framework to maintain the at least two light guide elements in close proximity such that their mid-perpendiculars lie on a common straight line. The framework is configured to at least partly surround a boundary of the light guide elements and to guide light. The framework is coupled optically to the light source so that light is projected from the light source into the framework and from the framework into the light guide elements, and is conducted from the light guide elements to the outside.

Abstract: An automotive lamp is provided with: a lamp chamber formed so as to include a lamp body having a front end opening portion and a translucent cover provided on the lamp body so as to cover the front end opening portion; a lamp unit that is housed inside the lamp chamber and includes a semiconductor light emitting device as a light source; a bracket that includes a light source mounting portion having a mounting surface for the semiconductor light emitting device and a plurality of radiating fins, thermally in contact with the light source mounting portion and arranged such that ventilation passages extend from the lamp body side toward the translucent cover, are formed, and that supports the lamp unit; and a fan that blows air such that air flows through the ventilation passages from the lamp body side toward the translucent cover.

Abstract: An emergency system for a vehicle integrates many disparate equipment into single housing, including the power supply for the equipment. In one embodiment of the invention, the emergency system is a light bar. The light bar houses a power source comprising solar cell panels, a Lithium-Ion battery pack and a connection to an external supply such as the vehicle's electrical power. Energy for operating the light bar is provided by one or more of the power sources, depending on operating conditions of the light bar and each of the power sources.

Abstract: A warning light has a light transmissive dome, longitudinally extending base, plurality of clamps, and a plurality of warning light assemblies. The light transmissive dome has sidewalls which terminate in a bottom edge. Spaced apart attachment regions with a staging area, a locking area, and a first retaining lip are located along the bottom edge. The longitudinally extending base has sidewalls which terminate in a top edge. A second retaining lip extends downward from an exterior projection of the top edge. A plurality of clamps each have a face portion, and first and second engagement jaws which extend from the face portion. The first and second engagement jaws are configured to engage the first and second retaining lips. A fastener portion located on the face portion corresponds with a fastener. The fastener portion and fastener draw the first and second engagement jaws together.

Abstract: A lighting system for use with an emergency vehicle comprises at least one elongated lighting bar mounted to an exterior surface of the emergency vehicle, the lighting bar comprises a plurality of lighting elements operable to emit light, the at least one lighting bar operable to be placed in a first substantially horizontal lowered position and a second substantially vertical raised position, and a controller electrically coupled to the at least one lighting bar and configured to receive user input and controllably place the at least one lighting bar in one of a raised and lowered positions in response to the user input, the controller further configurable to operate the plurality of lighting elements in a predetermined repeating on/off sequence involving increasing number of lit lighting elements and increasing light intensity over time.

Abstract: A removable vehicle directional light unit for use on a police or emergency vehicle which will be highly visible from a long distance for directing traffic to one or more specified lanes to reduce congestion and avoid accidents, particularly accidents involving police and emergency vehicles parked in the vicinity. The device is removably installed onto the rear window, mounted on the rear deck, or mounted on the trunk or top of the vehicle when in use and has a plurality of highly visible flashing lights configured in the shape of an arrow pointing in the direction leading away from a traffic blockage. The vehicle directional light unit includes a control box with a selector switch and flasher units to cause light groupings to flash in a selected pattern indicating the intended lane or lanes which approaching traffic should use.

Abstract: An LED signal lamp which includes at least one white LED illumination unit, and at least one light filter each is provided in a light path of each of the white LED illumination unit for filtering at least one portion of light beams of the white LED illumination unit to provide nonwhite light beams of a predetermined color. Thus colored signal lamp is provided via white LED illumination units, the light efficiency is enhanced, the structure is simple, and the manufacturing costs are low.

Abstract: A traffic warning device comprising: a base for mounting to a vehicle and defining base first and second ends; a deployable element mounted to the base and movable relative thereto between a parked position, a first deployed position and a second deployed position, wherein, in the parked position, the deployable element extends along the base and is substantially centered relative thereto, in the first deployed position, the deployable element is offset from the base and protrudes therefrom at the base first end, and, in the second deployed position, the deployable element is offset from the base and protrudes therefrom at the base second end. The deployable element is provided with visible traffic warning elements. The deployable element is deployable on opposite sides of the vehicles by being moved respectively to the first and second deployed positions.

Abstract: A partially transparent dome mirror is used to display messages generated from within the dome by a light generating system. The mirror is incorporated in an apparatus for seeing and warning traffic crossing at an intersection in a commercial, industrial or other space to improve worker safety and to avoid costly damage due to collisions at the intersection. The unitary apparatus does not require sensors or other wiring external to the mirror and its supporting frame. The mirror system can also be used in commercial and retail applications for surveillance and advertising.

Abstract: A warning light assembly includes a frame with integral fastener anchors. The frame aligns and supports the anchors with openings in a vehicle body or other support surface. Fasteners pass through a warning light housing to spread retention legs behind the support surface. The anchors are connected by the frame and cannot rotate relative to the vehicle body or warning light. The frame defines a central opening for warning lights requiring additional depth.

Abstract: A vehicular warning device comprises a light bar with at least one light source and a light bar support. The light bar support includes a frame member and a light bar mounting member. The frame member is rigidly mounted to a portion of a vehicle and the light bar mounting member is mounted to the frame member. The light bar is mounted to the light bar mounting member. Illumination from the at least one light source can be shifted between at least a first position and a second position.

Abstract: A lamp unit is provided. A decorative part has a lens. A functional part has a light source. The lamp unit can be assembled on left and right doors to illuminate a predetermined position. The functional part is provided with a functional side lock portion, and the decorative part is provided with a first decorative side lock portion corresponding to a first assembling direction of the functional part and a second decorative side lock portion corresponding to a second assembling direction of the functional part. Both the first decorative side lock portion and the second decorative side lock portion can be fitted into the functional side lock portion.

Abstract: A bumper adapted for mounting to a trailer is provided. The bumper comprises a tail skirt extending horizontally across the rear of the trailer. Upright bars mount to and intersect the tail skirt. The tail skirt comprises a groove for receiving a recessed light bar comprising multiple signal lights. The wiring harness extends from the light bar into a space behind the upright bars and passes through openings in the tail skirt behind the upright bars.

Abstract: A warning light for attachment to a vehicle comprising a thermally conductive longitudinally extending base, a plurality of light head mount assemblies, a plurality of LED warning light assemblies, and a plurality of electronic control circuits. Said base has a pair of generally parallel longitudinal edges and a pair of ribs projecting perpendicularly from said base. Said light head mount assemblies comprise a bracket and a light head retention shoe. Said bracket has a generally planar bracket first portion and a generally planar bracket second portion oriented perpendicular to said first portion. Said light head shoe has a sole configured to engage said bracket first portion, a rib engaging portion, and a brace extending angularly therebetween. Said LED assemblies are mounted on said bracket second portion. Said dome has a main body portion, sidewalls configured to engage said edges, and end walls.

Abstract: A warning light assembly, components therefor and methods of assembly and use are described. The warning light assembly includes a moveable reflector light pod arrangement comprising at least one moveable reflector light pod having a selectively moveable reflector arrangement and a plurality of LED units configured and oriented to direct light against a selectively moveable reflector arrangement. A variety of specific, preferred, features are shown and described.

Abstract: A light bar is described that is of a modular construction based on one or more large circuit boards that are populated with light beam assemblies and then fastened to an interior space of the light bar housing. Keys that automatically align the light beam assemblies on each of the boards precisely control placement of the assemblies on the board. In turn, each of the boards is keyed to the interior of the light bar housing so that when the board is fastened to the housing the light beam assemblies are automatically registered into alignment with the lenses in the housing so that the beams from the assemblies are properly oriented. The light bar is inexpensive to fabricate and can be assembled quickly and reliably, yet it provides for a high degree of customization, which is a requirement in the emergency vehicle lighting industry.

Abstract: The present patent application provides a slim light bar. The light bar includes a base (1), two upper side covers (2), a top cover (3), a straight light unit (4), a curved light unit (5) and a plurality of supporting legs (6). The top cover (3) is disposed in the middle of the top of the base (1). The upper side covers (2) are disposed at the two ends of the top of the base (1). The straight light unit (4) is connected to the straight sides of the base (1). The curved light unit (5) is connected to the curved sides of the two ends of the base (1). The supporting legs (6) are connected to the bottom of the base (1). The height of the base (1) is 26 mm to 29 mm. The present patent application uses LEDs with a diameter of 4.5 mm and the corresponding lenses have a maximum diameter of 14 mm so that the height of the base (1) is only 26 mm to 29 mm and the materials used for making the light bar are saved.

Abstract: A photoluminescent track for an emergency lighting system comprises an elongate holder and an elongate photoluminescent insert received in a channel extending lengthwise of the holder. The insert is a push-fit in the channel and is retained by engagement of opposed inwardly directed lips at the mouth of the channel with the upper side edges of the insert so that the upper surface of the insert is exposed within the opening.

Abstract: An interior light assembly for use in a vehicle includes a housing having a light transmission end constructed to pass light out of the housing. A light source is located in the housing and arranged to emit light in a direction to pass out of the light transmission end of the housing. A visor extends from the light transmission end of the housing for blocking light from the light source in directions transverse to the light transmission end of the housing into a passenger compartment of the vehicle. The visor has an end remote from the housing shaped to engage a windshield of the vehicle. The visor may be pivotably mounted on the housing to facilitate flush engagement of the remote visor end with the windshield. The visor can flare outwardly from the housing to the remote end so light can be seen at greater off-angles by persons outside the vehicle.

Abstract: An anti-collision light for aircraft comprising two illuminating modules each comprising a number of LEDs disposed along a ring and coplanar to a plane, a first reflector facing the LEDS and a second reflector surrounding the LEDS; the first and the second reflector are so configured as to reflect the light emitted by LEDs toward angles between 0 and 75° above or below said plane. An additional module providing infra-red radiation is may be provided; the additional module comprising number of infra red LEDs disposed along a ring and coplanar to a plane and a reflector facing the infra red LEDs.

Abstract: A vehicular warning device comprises a light bar with at least one light source and a light bar support. The light bar support includes a frame member and a light bar mounting member. The frame member is rigidly mounted to a portion of a vehicle and the light bar mounting member is mounted to the frame member. The light bar is mounted to the light bar mounting member. Illumination from the at least one light source can be shifted between at least a first position and a second position.

Abstract: A light bar for use on firefighting or other emergency vehicles includes an elongate base that provides a versatile mounting platform for primary visual and audible warning devices as well as providing a mounting platform for other types of equipment such as secondary visual and audible devices, optical devices, cameras, weather monitoring equipment, GPS devices, preemption devices, running lights and other devices that have been traditionally mounted on a firefighting or emergency vehicle roof and/or other exterior surface area of the emergency vehicle. The light bar is versatile in both allowing many different types of equipment to be selectively mounted and adjustably positioned on the base, and on pairs of support plates that are attachable to the opposite ends of the base and provide support for different combinations of signal lights and other equipment.

Abstract: A vehicle front lighting assembly, or headlight assembly, that includes one or more variable tint electrowetting elements overlying a portion of the assembly lens surface. The variable tint electrowetting element is configured to operate to a transparent state whereby the hue of light passing therethrough is not changed, and a tinted state where the hue of light passing therethrough is changed. Alternatively, the variable tint electrowetting element is configured to operate to the tinted state and an opaque state where light is blocked from passing through the electrowetting element. The assembly may use light emitting diodes (LED) as an alternative to more conventional light sources.

Abstract: A comprehensive system for providing elements to make a personal vehicle safe and legal for driving on common streets. The system includes all lighting elements that make a personal vehicle street-legal and safe within a single package to allow for easy additions to existing vehicles. Combined elements may include headlights, turning signals, running/parking lights, brake lights, a horn, and windshield wipers.

Abstract: A motor vehicle is provided that has a passenger compartment, a hatchback, which is mounted so it is pivotable on the passenger compartment, external lighting having taillights, which are fastened on the hatchback, and additional taillights, which are concealed when the hatchback is closed and are visible from outside the motor vehicle when the hatchback is open.

Abstract: A light bar may include a light head with chip-on-board (COB) light emitting diode (LED) and an optic component mounted adjacent to the COB LED. The light bar may comprise short and long center modules. The light bar may include a plurality of housing modules where each housing module includes a light head and a lens cover having a top portion that is substantially impervious to ultraviolet radiation, and a lens portion extending downward from the top portion in generally opposing relationship with the light head. The light bar may include a circuit board including a wire-to-board connector, and a light head including a wire-to-board connector mated with the wire-to-board connector on the circuit board to electrically connect the light head to the circuit board. The light head may include a holographic diffuser.

Abstract: The invention provides a car lighting unit comprising a reflector and a light source arranged to generate light. The reflector circumferentially surrounds the light source and has a reflector opening. The reflector is arranged to reflect at least part of the light from the light source through the reflector opening. The car lighting unit further comprises a source-related 3D hologram and a source-unrelated 3D hologram. The car lighting unit is 5 constructed to generate a beam of light and a source-related holographic 3D image, using light from the light source, during operation of the lighting unit, and a source-unrelated 3D holographic image when the lighting unit is not in operation.

Abstract: An interior light assembly for use in a vehicle includes a housing having a light transmission end constructed to pass light out of the housing. A light source is located in the housing and arranged to emit light in a direction to pass out of the light transmission end of the housing. A visor extends from the light transmission end of the housing for blocking light from the light source in directions transverse to the light transmission end of the housing into a passenger compartment of the vehicle. The visor has an end remote from the housing shaped to engage a windshield of the vehicle. The visor may be pivotably mounted on the housing to facilitate flush engagement of the remote visor end with the windshield. The visor can flare outwardly from the housing to the remote end so light can be seen at greater off-angles by persons outside the vehicle.

Abstract: The present disclosure is directed to illuminated devices attached to vehicles. More specifically, an illuminated device may be attached to a vehicle in the form of an illuminated logo or emblem. The illumination of the device may be controlled for color, state, and/or intensity in response to vehicle signals received by the device. In addition, the illuminated device may use switching circuitry to interface with a vehicle's electrical power and/or signals.

Abstract: This invention relates to a warning lamp structure in which a light emitting module and a lamp hood are arranged in order on a base plate. The lamp hood is molded to have a hollow chamber so as to cover the light emitting module. A light concentrating section is integrally formed on the wall surface of the hollow chamber of the lamp hood. Configured in this manner, the bulk volume of the warning lamp is significantly reduced by the integral molding design of the light concentrating section on the lamp hood, so that the warning lamp can be advantageously assembled together with member of various types or member subjected to space limitation so as to reach substantial effect of increasing competitiveness on market.

Abstract: The Safety, Power and Shade Device is a system usable with wheelchairs providing an upright and horizontal frame attachable by brackets to a wheelchair seat back. The frame allows for the installation of safety and illumination lights, a solar panel for supplemental recharging of an electric wheelchair battery and a means of shelter or shade. The frame assembly is constructed to allow the horizontal frame to fold over and behind the wheelchair for a vertical relationship with the frame upright.

Abstract: A modular light bar having crisscross lighting in the front and rear. Each module may include two horizontal layers of lighting supported on supports connected to a longitudinal base. A wire harness is positioned within a longitudinal channel in the longitudinal base, with the harness having one end connected to quick disconnects within the modules and having another end connected to a controller. Each of the light bar module is serviceable independent of the other light bar modules, such that the support positioned within and connected to the light bar module being serviced is removable from the light bar module without accessing the other light bar modules by disconnecting the quick disconnect positioned within each light bar module being serviced.

Abstract: The present invention relates generally to an external condenser and light assembly and, more particularly, to an improved external air conditioning condenser and housing that is designed to additionally serve as a light assembly for an emergency vehicle. The condenser housing is mounted to the exterior of the emergency vehicle, which improves the performance of the emergency vehicle's air-conditioning system. The design of the condenser housing also allows it to serve as a light assembly on which emergency vehicle lights are mounted. The condenser housing and light assembly structure thereby provides for proper air conditioning functionality without occupying space on the exterior of the vehicle that would more preferably be occupied by emergency lighting.

Abstract: The combined spotlight caution light apparatus provides the advantages of both a spotlight and a caution light. Both lights are housed one above the other within the transparent circular dome. The apparatus provides the advantage of removably mounting each needed light to a vehicle, without brackets, vehicle modifications, or hardware or electrical harness invasion. The apparatus provides the advantages of rotating caution light warning. And, the apparatus separates and combines controls for the spotlight and caution light with the control within the connecting wire that plugs into the vehicle cigar lighter.

Abstract: A composite lamp assembly for use on a camouflaged military vehicle comprises a lamp housing colored to match the camouflaged scheme of the vehicle. The lamp housing defines an interior space, a first opening and a plurality of second openings in communication with the interior space. The lamp assembly includes a clear lens attached to the housing to occupy the first opening and a plurality of diffusers attached to the housing to occupy the plurality of second openings, the diffusers being colored to match the camouflaged scheme of the vehicle. The lamp assembly further includes a circuit board arranged within the interior space of the lamp housing having first and second pluralities of LEDs mounted thereto. The first plurality of LEDs is positioned to provide light through the clear lens and the second is positioned to provide light through the diffusers.

Abstract: A rear combination lamp y for a vehicle includes a rear combination lamp housing with an inboard cavity, an intermediate cavity, and an outboard cavity. First, second, and third light-emitting diodes extend into the inboard cavity, intermediate cavity, and outboard cavity, respectively. A turn signal member is operably connected to the first, second, and third light-emitting diodes and engagement of the turn signal activates the first, second, and third light-emitting diodes sequentially.

Abstract: According to some embodiments, a tail lamp 103 includes a body portion 103a arranged at a rear portion of a vehicle, and side portions 103b and 103c extending forward from the body portion 103a along both vehicle widthwise side surfaces. In some examples, the side portions 103b and 103c of the tail lamp 103 extend forward beyond rear ends of the flashers 101. The tail lamp 103 includes a light-shielding panel 304 arranged between the light source of the tail lamp 103 and the flashers 101.

Abstract: A warning light and warning light assembly are disclosed. The warning light includes a housing including a base and a translucent cover. The warning light includes one or more light emitting diodes within the housing, each of the light emitting diodes operable to emit light substantially along an optical output axis. The warning light also includes a reflector within the housing, the reflector including a reflective surface having a curve section disposed substantially perpendicular to the optical output axis of at least one of the one or more light emitting diodes.