Abstract: An improved flashlight is disclosed. The flashlight includes first and second selectable power sources, housed in a common battery housing. The flashlight enables power to the flashlight to be switched to a second battery when the first battery fails by way of a switch on the exterior of the battery housing.

Abstract: The present invention provides an LED illumination device, including: a light source carrier including a base, an accommodating space formed on the base; a light emitting unit including a light emitter and a lamp board fixed to the light source carrier; and an optical member covering or at least partially covering the light emitting unit. The light emitting unit and the optical member are both disposed in the accommodating space. The optical member includes a first light distribution unit and a second light distribution unit. At least 70% of a luminous flux generated by the light emitter in operation is directly emitted from the LED illumination device through the second light distribution unit.

Abstract: A combination comprises at least one lens and at least one prism. The at least one lens and the at least one prism are in an optical path of a corresponding at least one light source. The combination is configured to direct light radiating from the at least one light source toward a projector lens.

Abstract: Disclosed is an illuminating panel, in particular integrated into a traversable surface, including, in succession, a first protective film arranged on the front face of the device, a first exterior encapsulating film, an interior encapsulating film, a second exterior encapsulating film, and a second protective film arranged on the rear face of the device, one of the films chosen from among the first exterior encapsulating film, the interior encapsulating film and the second exterior encapsulating film coating at least one active element suitable for emitting light. Also disclosed is a method for producing such a panel and a functional traversable surface with such a panel.

Abstract: A lamp for a vehicle that includes a board part, a light source part disposed on an upper surface of the board part and including a plurality of light sources that irradiate light, a lens part installed to surround the light source part and disposed on an upper side of the board part, and a reflection part installed on an upper side of the board part, and including a reflective surface that reflects the light irradiated from the light source part to change a travel path of the light, and the reflective surface contacts the lens part and phosphor is deposited thereon.

Abstract: Shock-absorbing vehicle headlight system, having a vehicle frame element, a vehicle headlight housing, two release elements and a release mechanism connected to the vehicle frame element and designed to transition the vehicle headlight housing between a basic position and an adjustment position. The release mechanism includes a blocking element, switchable between a blocking position (BP) and a release position (RP). The vehicle headlight housing is held in the basic position in the BP and transitions to the adjustment position in the RP. A force transmission device mechanically couples the blocking element to the release elements and includes a rotary shaft and a control element. Displacement of each release element can be converted into rotary movement of the rotary shaft, which in turn can be converted into rotary movement of the control element, which is operatively connected to the blocking element in order to push the blocking element into the RP.

Abstract: A tree lighting system including a support assembly, a lighting assembly, and a hanging assembly. Support assembly includes a collar adapted to sit atop a portion of a Christmas tree by means of rods inserted in the collar to securely place the collar on the branches of an ornamental tree. The collar integrates electrical plugs configured to receive a series of strands. The strands feature lights along thereof to provide an aesthetic lighted appeal to the tree. A light controller connected to the plugs controls and power said lights through the plugs when the strands are connected. Users are capable of conveniently adjusting lighting configurations of the lights with the press of a control means, offering a versatile, and visually appealing solution for installing and illuminating the Christmas tree.

Abstract: A luminaire for providing configurable static lighting or dynamically-adjustable lighting. The luminaire uses an array of focusing elements that act on light provided via a corresponding array of sources or via an edge-lit lightguide. Designs are provided for adjusting the number of distinct beams produced by the luminaire, as well as the angular width, angular profile, and pointing angle of the beams. Designs are also provided for systems utilizing the adjustable luminaires in various applications.

Abstract: There is presented a lighting device comprising: several light-emitting filaments (15, 15?) with solid-state light sources and a circuit board (10) with first and second electrically conductive tracks (13, 14) following first and second paths, respectively. Each light-emitting filament (15, 15?) comprises a first electrical contact (19, 19?) electrically connected to the first track (13) at a first point on the first path, and a second electrical contact (20, 20?) electrically connected to the second track (14) at a second point on the second path. The first and second points associated with each light-emitting filament (15, 15?) are arranged on an axis (A) which is non-perpendicular to a tangent (T1) to the first path at the first point and to a tangent (T2) to the second path at the second point. The lighting device may be adapted to emit light from what appears to be a surface according to an observer.

Abstract: A flexible light assembly includes an elongated light transmissible jacket, the jacket including an internal vacancy. The assembly includes a substrate disposed in the internal vacancy. The substrate supports light emitters on a first surface thereof, and includes a reinforcing layer that is fixed to a surface the substrate opposite the first surface. The jacket may also include reinforcing fibers. The flexible light assembly is sufficiently flexible to permit bending such that the flexible light assembly can assume a radius of curvature in a range of 1.3 centimeters to 10.2 centimeters.

Abstract: A light irradiation device having an elongated outer shape includes: an optical fiber for emitting light from its distal end, which has a curved part, in which the distal end is oriented in a direction intersecting with a longitudinal direction of the light irradiation device by the curved part; and a light transmitting holder that retains a shape of the curved part of the optical fiber. The optical fiber has a core, or has the core and an outer surface layer, and the holder has a refractive index smaller than a refractive index of the core or a refractive index of the outer surface layer of the optical fiber.

Abstract: A power system capable of preventing from mistakenly triggering an electric shock protection function of a lamp tube and the method thereof is provided. The power system includes a live wire input end, a neutral wire input end and a capacitive component. The live wire input end is connected to a first node; the first node is used to connect to the live wire terminal of the electric shock protection circuit of a first light-emitting module. The neutral wire input end is connected to a second node; the second node is used to connect to the neutral wire terminal of the electric shock protection circuit of the first light-emitting module. One end of the capacitive component is connected to the first node and the other end thereof is connected to the second node.

Abstract: Disclosed is a vehicular lamp. This vehicular lamp comprises: a light source; glass disposed in front of the light source; a housing supporting the light source and the glass and forming the exterior; a thermoelectric element unit which generates cold wind and warm wind by introducing air outside the housing into the housing; a first flow path through which one of the cold wind or the warm wind generated in the thermoelectric element unit flows into the housing; and a second flow path through which the other one of the cold wind or the warm wind is discharged outside the housing.

Abstract: Lightweight and man-portable lights may be used to provide a rapid and deployable aircraft landing zone illumination solution. The lights may produce a combination of visible and infrared (IR) light. The lights may be mounted using stakes or concrete anchors, or they can be left unmounted on the ground for easy and rapid deployment. The light may include five types of visible light-emitting diodes (LEDs)—white (W), yellow (Y), green (G), red (R), and blue (B)—and infrared (IR) LEDs. The LEDs (visible and IR) can be controllable between different intensities. The light may include built-in wireless communication capabilities. A number of lights may be positioned and then operated together for landing zone and emergency lighting solutions.

Abstract: A two-wire non-polar multifunctional filament and a light string are provided. The two-wire non-polar multifunctional filament includes a transparent substrate, a first conductive terminal, and a second conductive terminal. The first conductive terminal and the second conductive terminal are disposed at an end portion of the transparent substrate. At least two layers of wires are disposed in the transparent substrate, and the at least two layers of wires include a first circuit layer and a second circuit layer. The first circuit layer includes a one-way conduction diode, a single-chip microcomputer control chip, and a plurality of first LED light-emitting chip units, and the second circuit layer includes a plurality of second LED light-emitting chips. The light string may switch a lighting function and a light changing function through changing positive and negative electrodes of electric current, which has a better visual effect and is low in product cost.

Abstract: A softbox having a body with an integrated light-altering element. The light-altering element may have a body and an edge, where at least a portion of the edge of the light altering element is non-removably coupled to at least a portion of softbox body proximate to the softbox edge. The other portions of the edge may have attachment elements that couple to other portions of the distal edge of the softbox. Another light-altering element, such as a grid, may couple to the softbox by coupling to a cuff of the body of the softbox.

Abstract: A display device may include a projector coupled to volume Bragg grating (VBG) based pupil-replicating lightguide. The projector may be a scanning projector or a display panel based projector. A lighting unit for the display panel may have spatially variant spectral composition selected to match angular and wavelength selectivity of the VBGs of the pupil-replicating lightguide, thereby improving light utilization efficiency of the display device. In scanning projector implementations, the center wavelength of the scanned light beam may be varied in coordination with the scanning, to achieve the same effect.

Abstract: A light bulb, comprising: a circuit board, provided with a light-emitting unit, two first wiring parts and at least two second wiring parts, wherein one of the first wiring parts and one of the second wiring parts are both connected to a positive terminal of the light-emitting unit, and the other first wiring part and the other second wiring part are both connected to a negative terminal of the light-emitting unit; and a fixing member connected to the circuit board, the fixing member being capable of fixing wires to the first wiring parts and the second wiring parts.

Abstract: A light guide module includes a light guide plate, a light-emitting element and a covering layer. The light guide plate includes plural first light-guiding dots and plural second light-guiding dots. The light-emitting element is installed on a lateral edge part of the light guide plate. The covering layer includes a non-shading region, a separation region and a shading region. The plural first light-guiding dots of the light guide plate are aligned with the non-shading region of the covering layer. The plural second light-guiding dots of the light guide plate are aligned with the shading region of the covering layer. The plural second light-guiding dots are covered by the shading region of the covering layer.

Abstract: The invention provides a light generating device (1000) comprising an LED filament (100), wherein the LED filament (100) comprises a support (105), a set (107) of solid state light sources (110), and an encapsulant (160), wherein: (I) the LED filament (100) has a length axis (108) having a first length (L1); (II) the solid state light sources (110) are arranged over the first length (L1) of the LED filament (100) on the support (105), wherein the solid state light sources (110) are configured to generate light source light (111); (III) the encapsulant (160) encloses at least part of each of the solid state light sources (110) of the set (107) of solid state light sources (110), wherein the encapsulant (160) comprises a luminescent material (200) configured to convert at least part of the light source light (111) into luminescent material light (201); (IV) the light generating device (1000) is configured to generate device light (1001) comprising one or more of (i) the light source light (111) and (ii) the lum