Abstract: The present invention relates to a liquid-crystalline medium (LC medium), to the use thereof for electro-optical purposes, and to LC displays containing this medium.

Abstract: A protective cover for a fuselage-mounted exterior aircraft light includes a fuselage-facing mounting side for mounting the protective cover to an exterior aircraft light housing or to an exterior skin of an aircraft; a light transmissive forward facing light emission surface; and an air deflection zone, which is shaped to direct a portion of an impinging air stream (A) along and over the forward facing light emission surface for shielding the forward facing light emission surface from the impinging air stream (A).

Abstract: An exterior aircraft light includes 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 the housing having a front end region and a rear end region, wherein the housing is configured to be mounted on a tail portion of a fuselage of an aircraft; at least one first light source, arranged in the rear end region of the housing, for providing aircraft rearward signal lighting; and a plurality of second light sources, which are arranged spaced along the length (L) of the housing for a distributed illumination of a stabilizer of the aircraft.

Abstract: An aircraft beacon light unit has an operating light emission distribution. The operating light emission distribution has a first light emission opening angle of at least 150° in a first cross-sectional plane, and a second light emission opening angle of at most 180° in a second cross-sectional plane orthogonal to the first cross-sectional plane. The aircraft beacon light unit is configured in such a way that it is mountable to an aircraft with the first cross-sectional plane being oriented in a vertical direction and the second cross-sectional plane being oriented in a horizontal direction, and the first light emission opening angle extends at least 75° both above and below the second cross-sectional plane.

Abstract: A cover for an exterior aircraft light includes a lens cover structure, attachable to an exterior aircraft light housing and configured to close the exterior aircraft light housing, wherein the lens cover structure has an inside and an outside and is at least partially made of transparent material; and a wear indicator, attached to the inside of the lens cover structure, the wear indicator having a contrasted pattern visible from the outside of the lens cover structure through the transparent material.

Abstract: The present invention relates to a polynucleotide configured for the treatment of a retinal degeneration disease, such as retinitis pigmentosa (RP), a nucleic acid vector comprising said polynucleotide, a pharmaceutical composition comprising said nucleic acid vector, a kit comprising said polynucleotide or said nucleic acid vector, a method of making said nucleic acid vector, and a method for treating a retinal degeneration disease.

Abstract: A method of operating an aircraft cabin illumination system, having a plurality of light modules with a set spatial distribution across an aircraft cabin, includes receiving an image; mapping the image to the set spatial distribution of the plurality of light modules; generating an illumination command set, including an operating command for each of the plurality of light modules, on the basis of the mapping of the image to the set spatial distribution of the plurality of light modules; and issuing the illumination command set to the plurality of light modules.

Abstract: A cover for an exterior aircraft light includes a lens cover structure, attachable to an exterior aircraft light housing and configured to close the exterior aircraft light housing, wherein the lens cover structure has an inside and an outside and is at least partially made of transparent material; and a wear indicator, attached to the inside of the lens cover structure, the wear indicator having a contrasted pattern visible from the outside of the lens cover structure through the transparent material.

Abstract: An aircraft passenger light includes a reading light unit having a reading light unit and a halo light unit. The reading light unit includes at least one reading light source and is configured for emitting a targeted reading light output. The halo light unit includes at least one halo light source and is configured for emitting a ring shaped halo light output, at least partly surrounding the targeted reading light output.

Abstract: A multi-mode aircraft navigation light includes a first light source of a first color; a second light source of a second color; and a common optical system, which is arranged over the first light source and the second light source for conditioning light emitted by either one of the first light source and the second light source; and a switching circuit configured to effect power supply to a selected one of the first light source and the second light source depending on a color selection signal.

Abstract: A cover for an exterior aircraft light includes a lens cover structure, attachable to an exterior aircraft light housing and configured to close the exterior aircraft light housing, wherein the lens cover structure has an inside and an outside and is at least partially made of transparent material; and a wear indicator, attached to the inside of the lens cover structure, the wear indicator having a contrasted pattern visible from the outside of the lens cover structure through the transparent material.

Abstract: An aircraft passenger light includes a reading light unit having a reading light unit and a halo light unit. The reading light unit includes at least one reading light source and is configured for emitting a targeted reading light output. The halo light unit includes at least one halo light source and is configured for emitting a ring shaped halo light output, at least partly surrounding the targeted reading light output.

Abstract: A method of operating an aircraft cabin illumination system, having a plurality of light modules with a set spatial distribution across an aircraft cabin, includes receiving an image; mapping the image to the set spatial distribution of the plurality of light modules; generating an illumination command set, including an operating command for each of the plurality of light modules, on the basis of the mapping of the image to the set spatial distribution of the plurality of light modules; and issuing the illumination command set to the plurality of light modules.

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: 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 unit includes a housing; a mounting structure, mounted to the housing and extending away from the housing substantially along a first cross-sectional plane; a lens cover, mounted to the housing, surrounding the mounting structure, and defining an inner space of the exterior aircraft light unit, with the mounting structure dividing the inner space of the exterior aircraft light unit into a first partial inner space and a second partial inner space; a plurality of anti-collision light sources, configured to emit respective sequences of warning light flashes in operation.

Abstract: An LED light unit comprises a support portion, a light source having at least one LED, the light source being arranged on the support portion and having a source-side light intensity distribution (LISS), and a refractive optical element having an inner surface and an outer surface, with at least one of the inner surface and the outer surface being non-spherical, the refractive optical element being arranged over the light source and being attached to the support portion.

Abstract: A cover for an exterior aircraft light includes a lens cover structure, attachable to an exterior aircraft light housing and configured to close the exterior aircraft light housing, wherein the lens cover structure has an inside and an outside and is at least partially made of transparent material; and a wear indicator, attached to the inside of the lens cover structure, the wear indicator having a contrasted pattern visible from the outside of the lens cover structure through the transparent material.

Abstract: A multi-mode aircraft navigation light includes a first light source of a first color; a second light source of a second color; and a common optical system, which is arranged over the first light source and the second light source for conditioning light emitted by either one of the first light source and the second light source; and a switching circuit configured to effect power supply to a selected one of the first light source and the second light source depending on a color selection signal.

Abstract: A lighting system of an aircraft cabin includes a plurality of light units disposed at a plurality of locations within the aircraft cabin, wherein each of the plurality of light units includes at least one infrared light source, with an emission of infrared light across the aircraft cabin resulting from an operation of the at least one infrared light source of the plurality of light units.