Abstract:
An aircraft LED light unit comprises at least one printed circuit board which comprises at least one metal core layer and at least one dielectric layer, and at least one LED disposed on the printed circuit board and which comprises an anode and a cathode for electrically coupling to a power source. One of the anode and cathode of the at least one LED is connected to an electrical conductor which is disposed on the dielectric layer and is coupled to a first terminal of the power source, wherein the dielectric layer electrically isolates the electrical conductor from the metal core layer, and the other one of the anode and cathode of the at least one LED is connected to the metal core layer of the at least one printed circuit board, wherein the metal core layer is coupled to a second terminal of the power source.
Abstract:
A dynamic exterior aircraft light unit includes a plurality of LEDs, with at least two subsets of the plurality of LEDs being separately, an optical system for transforming light output from the plurality of LEDs into at least two light emission distributions, a control unit for controlling the plurality of LEDs, and a photo detector arranged to detect light, emitted by the dynamic exterior aircraft light unit as part of the at least two light emission distributions and reflected by the aircraft environment, and configured to output a light detection signal.
Abstract:
An aircraft landing light unit includes a plurality of LEDs, an optical system associated with the plurality of LEDs for shaping a light output of the aircraft landing light unit for illuminating an aircraft environment, a control unit for controlling the plurality of LEDs, and a photo detector arranged for detecting light, emitted by the plurality of LEDs, output via the optical system and reflected by atmospheric haze, such as clouds, fog, rain and snow, wherein the control unit is coupled to the photo detector and is configured to control the plurality of LEDs on the basis of the light detected by the photo detector, thereby adjusting the light output of the aircraft landing light unit to the atmospheric haze.
Abstract:
Aerospace ground maneuver light, comprises a reflector (14), the reflector (14) defining a light exit plane (18), an LED light source (26) arranged outside of the area defined by the reflector (14) and its light exit plane (18), and a mounting bar (22) which has a longitudinal extension and at which the LED light source (26) is mounted. The mounting bar (22) extends across the reflector (14) and is spaced apart from the light exit plane (18) of the reflector (14) and comprises a mounting side (24) facing towards the reflector (14) and its light exit plane (18), with the LED light source (26) arranged on the mounting side (24) for emitting light towards the reflector (14).
Abstract:
An aircraft reading light with a color-tunable reading light output includes: a white light source for emitting white light; a colored light source for emitting colored light; and an optical element, which is arranged for directing colored light that is emitted by the colored light source onto the white light source for being diffusely reflected at the white light source. The colored light source is controllable independently from the white light source.
Abstract:
An aircraft light providing a white light output has a light source that comprises a light emitting semiconductor for emitting light having an initial light spectrum; a first light converting material, arranged over the light emitting semiconductor; and a light transmissive layer, covering the first light converting material. A first portion of the light, which is emitted by the light emitting semiconductor, is shifted towards longer wavelengths by the first light converting material. The aircraft light further comprises a second light converting material, which is arranged over the light transmissive layer of the light source and a lens element, which is arranged over the second light converting material, with light exiting the lens element forming at least a portion of the white light output of the aircraft light.
Abstract:
An aircraft headlight comprises at least one light source and an integrated, single-piece optical structure. The integrated, single-piece optical structure includes a light transmissive protective cover portion, forming an outer light emission surface of the aircraft headlight, and at least one reflector portion, arranged for directing light that is emitted by the at least one light source through the light transmissive protective cover portion.
Abstract:
An aircraft navigation light, configured to be usable as any of a left forward navigation light, a right forward navigation light, and a tail navigation light of an aircraft, comprises a common support plate which is substantially vertical in the aircraft frame of reference; a first light source arranged on the common support plate for emitting red light; a second light source arranged on the common support plate for emitting green light; a third light source arranged on the common support plate for emitting white light; a driving circuit coupled to the first light source, the second light source and the third light source and configured to supply power to a selected one of the first light source, the second light source, and the third light source; and a blocking element arranged to limit the light output of the aircraft navigation light to one lateral side.
Abstract:
A method of indicating a flight direction of an aerial vehicle, having a vehicle body and a plurality of rotors supported by the vehicle body, includes: on the basis of a momentary flight direction of the aerial vehicle, controlling a matrix of light sources, in particular a matrix of LEDs, which are mounted to the vehicle body of the aerial vehicle, to provide an illumination pattern to an observer of the aerial vehicle, with the illumination pattern comprising a flight direction indication, indicative of the momentary flight direction of the aerial vehicle.
Abstract:
An aircraft passenger reading light include comprises: a light source arrangement having a plurality of rows of reading light sources, with each of the rows having a plurality of reading light sources for passenger-specific illumination of a plurality of seats of a seating row of an aircraft and with the plurality of rows having different illumination directions in a longitudinal direction (L) of the aircraft, whereinach of the light sources first and second electrical terminals; first and second power supply connectors; and a multi-state switching arrangement having a plurality of switching states. The first power supply connector is coupled to the first electrical terminals of the plurality of reading light sources. The second power supply connector is coupled to the second electrical terminals of the plurality of reading light sources via the multi-state switching arrangement.