Abstract: Systems and methods for operating light emitting diodes (LEDs) circuits are provided. Aspects include a power supply coupled to the first node, a set of light emitting diodes (LEDs) arranged in series between a second node and a third node, a boost converter coupled to the first node and the second node, a first control circuit configured to operate a first switching element to control operation of the boost convertor, wherein the boost convertor outputs a step-up voltage to drive the set of LEDs, and a second control circuit to operate the second switching element to control operation of the set of LEDs, the second switching element coupled to the third node, wherein the set of LEDs are ON responsive to the second switching element being in an ON state.

Abstract: A lens structure for placement over a light source and for attachment to a circuit board around the light source includes a circuit board engagement portion for being placed towards the circuit board, a recess provided in the circuit board engagement portion for receiving the light source upon attachment of the lens structure to the circuit board, a light entry surface around the recess, a lens body, a light exit surface distal from the circuit board engagement portion, and an attachment structure, the attachment structure being partially molded into the lens body and partially extending from the lens body for attaching the lens structure to the circuit board.

Abstract: Methods, systems, devices and/or apparatus related to lighting systems, and, specifically, to LED lighting systems for vehicles. One example provides a lighting system that includes a power control component, a wire harness, and a light emitting diode component. The power control component may be in electrical communication with a power supply. The power control component may receive an input voltage from the power supply, adjust the input voltage to generate an output voltage, and output the output voltage. The wire harness may be in electrical communication with the power control component. The light emitting diode light component may be in electrical communication with the wire harness, and may include a plurality of light emitting diodes electrically coupled in a parallel configuration via a plurality of wires, each of the plurality of wires being substantially shaped as a wave.

Abstract: A modular light assembly having a control housing surrounding a power driver and at least one modular component. The modular component includes two side portions, a plurality of ribs extending between the two side portions to form a grated portion, and a flat portion configured to receive a COB LED. The lighting assembly may also comprise a video assembly having a camera and control circuitry provided within the lighting and video assembly for remotely controlling the camera.

Abstract: The collimator comprises an output area approximately having the shape of an n-gon with legs and apices, for collimation of light rays emitted by a light source. In viewing the collimator from the side from the optical source in the direction of the lighting axis, the collimator comprises n first parts and n second parts. Each first part is associated with one of the legs of the n-gon and comprises the first sector of the first circular collimator, approximately inscribed in the n-gon so that this leg is tangential to the outline of the circular output area of the first circular collimator. Each second part is associated with one of the apices and is comprised in a second sector of the second circular collimator, approximately circumscribed around the n-gon so that the outline of the output area of this second circular collimator passes through the apex.

Abstract: An aircraft vertical stabilizer illumination light, the light includes a LED group, having a plurality of LEDs; an optical system, having at least one optical element, the optical system being associated with the LED group for shaping a light output from the light emitted by the LED group; an image generator, arranged within the aircraft vertical stabilizer illumination light for being oriented towards the vertical stabilizer, the image generator being configured to provide image data of the vertical stabilizer; and a controller, coupled to the image generator for receiving the image data; wherein the controller is configured to operate the aircraft vertical stabilizer illumination light in a plurality of operating modes.

Abstract: The present disclosure provides a night vision imaging system (NVIS) lighting system, comprising a frame comprising a first light source, a second light source adjacent to the first light source, a third light source adjacent to the second light source, and a diffuser mounted to the frame and encasing the first light source, the second light source, and the third light source. The first light source may comprise a first dominant wavelength, the second light source may comprise a second dominant wavelength different from the first dominant wavelength, and the third light source may comprise a third dominant wavelength different from the first dominant wavelength and the second dominant wavelength. Light emitted from the first light source, the second light source, and the third light source may be blended to generate a first blended light source comprising a first target output color.

Abstract: The light-guiding optical system comprises at least one light source (2) and a light guide (1) for coupling and guiding light rays (10) emitted by a light source (2). Furthermore, the light guide (1) may comprise a decoupling surface (4) on its rear side (13) and an output surface (3) for the exit of light rays (10) decoupled by the decoupling surface (4) on an opposite front side (14). The decoupling surface (4) comprises: (i) first decoupling elements (5) configured to decouple light rays (10) falling onto the first decoupling elements (5) out of the light guide (1) approximately in a pre-determined first output direction (p) to fulfill a first light function, and (ii) a second decoupling element (6) configured to uncouple light rays (10) falling onto the second decoupling elements (6) out of the light guide (1) approximately in a pre-determined second output direction (d), which is deflected from the first output direction (p), to fulfill the second light function.

Abstract: A light assembly for use on an aircraft is disclosed herein. The light assembly comprises a reflector assembly, a printed wiring assembly, and a bezel assembly. The bezel assembly may comprise a first worm screw. The first worm screw may be configured to translate at least one of the reflector assembly and the printed wiring assembly in a first direction. The bezel assembly may comprise a second worm screw. The second worm screw may be configured to translate at least one of the reflector assembly and the printed wiring assembly in a second direction.

Abstract: The light-guiding optical system comprises at least one light guide (1) made from an optically transparent material with an associated collimating element (2), and a light unit (3) to emit light rays (10) into the collimating element (2). The light guide (1) comprises on its front side an output surface (12) for the output of light rays (10) conducted by the light guide (1) out of the light guide (1), and on its bottom or top side, a binding surface (11) to bind light rays (10) collimated by the collimating element (2) into the light guide (1).

Abstract: A lighting system for automobiles is proposed which includes a laser light source emitting a primary laser light bundle within a solid angle area around a beam direction, a photoluminescence element positioned within the emitted primary light beam, and a protective element that protects against stray laser rays. The photoluminescence element is configured to absorb the laser rays impinging on said element and by means of the photoluminescence to radiate secondary light rays. The lighting system includes a protection system with a protective element of an elongated shape having a first end and a second end, wherein the first end of the protective element is positioned within the beam direction of the primary light beam and downstream of the photoluminescence element.

Abstract: An exterior aircraft light unit includes at least two light sources. Each light source is provided with a variable current bypass component. Each variable current bypass component is configured to allow bypassing an adjustable electric current by the respective light source.

Abstract: A method and system for providing an improved recessed luminaire includes providing the ability to rotate or shift the position of the junction box within the system. The improved system also provides an ability to shorten lengths of the hanger bar assemblies in an efficient manner during installation of the luminaire. A geometry of the end of the hangar bar assemblies may be modified to provide a more efficient design that also helps support fasteners. Additional improvements may include those for a spring to lock a door of the junction box; improvements for locking hanger bars to a plaster plate; improved mounting tabs for the plaster plate; an improved thermal protector case with enhanced coupling mechanisms; and improvements to a spring for locking a door of the junction box that improve compactness for the system to aid in shipping the system.

Abstract: A ground illumination aircraft light unit includes a mounting portion, which is configured for mounting the light unit to an aircraft; a transparent cover, which is mounted to the mounting portion and in combination with the mounting portion defines an interior space of the light unit; and at least one light source, which is arranged within the interior space of the light unit and which is configured for emitting light for illuminating an airfield in the vicinity of the aircraft. The light unit is configured to emit predominantly p-polarized light in a predefined spatial sector; and to emit non-polarized light in an area outside said predefined spatial sector.

Abstract: The invention relates to a lighting device with a multiple light function, which comprises a primary light source and secondary light source (2a, 2b) associated with optical elements which are adapted to guide light to the output of the device. The primary light source (2a) is associated with collimating elements (4) and the secondary light source (2b) is associated with light guiding elements (3), whereby the collimating elements (4) and the light guiding elements (3) are arranged in a common light guiding body (A), the output of the light beams is situated behind the level (6) of the exit ends of the collimating elements (4) and on the output side of light guiding body (A) a light scattering filter (7) is arranged.

Abstract: A light-emitting device for a motor vehicle, including a housing and a light source assembly arranged in the housing, wherein the light-emitting device further includes a substantially plate-shaped light guide including an opening portion, and the light guide is positioned in such a way that the light source assembly is located behind the opening portion in a main emitting direction of the light-emitting device or located in the center of the opening portion, thereby transmitting lateral light from the light source assembly into the light guide. According to the light-emitting device of the present invention, the light rays from the light source assembly are expanded through the light guide, and can be used to display a decorative pattern, thereby providing more lighting decorative design styles and improving the aesthetic appearance.

Abstract: A composite lens arrangement for use with a light emitting source directed along an optical axis includes a collimator lens, a beam former lens, a first optical structure, and a member. The collimator lens includes a light collection surface axially opposed to the light emitting source, and an opposite facing light emitting surface. The beam former lens is spaced axially from the light emitting surface, and includes a light collection face axially opposed to the light emitting surface and an opposite light emitting face. The first optical structure is integral to one of the light emitting surface and the light collection face. The member is radially spaced from the optical axis, and extends between, and is attached to, the light emitting surface and the light collection face.

Abstract: An aircraft vertical stabilizer illumination light, configured to illuminate a vertical stabilizer of an aircraft, has a housing having a length (L), a width (W), and a height (H), the length (L) being greater than the width (W) and the height (H); and a plurality of light sources being arranged spaced along the length (L) of the housing (8) for a distributed illumination of the vertical stabilizer, wherein the housing (8) is configured to be mounted adjacent the vertical stabilizer on a tail portion of a fuselage of the aircraft.

Abstract: An exterior aircraft light includes a housing configured to be mounted to an exterior portion of an aircraft; at least one light source mounted to the housing; a lens cover, cooperating with the housing for forming an inner space of the exterior aircraft light, with light from the at least one light source leaving the exterior aircraft light through the lens cover into an outside environment of the aircraft; and a gasket arranged between the housing and the lens cover, the gasket having at least one flap portion forming at least one check valve for fluid discharge from the inner space of the exterior aircraft light towards the outside environment of the aircraft.

Abstract: A helicopter search light comprises a housing with a mounting portion, which is configured to be mounted to a helicopter, a light source support arranged within the housing and at least one optical system. Each optical system includes a group of at least two light sources with different light emission characteristics, which are arranged on the light source support; and a reflector, which is movable between at least two discrete positions, each position being associated with one of the at least two light sources, with the reflector in each position only reflecting light emitted by the associated light source. The helicopter search light further comprises at least one actuator, which is configured for selectively moving the reflector between the at least two discrete positions.