Abstract: An apparatus for supplying energy to an active eye implant can include a beam expander that includes a first expansion element and a second expansion element. The second expansion element can be configured to provide light that has been expanded twice and is effectively focused. A processes for manufacturing apparatuses for supplying energy to an active eye implant can be based on head geometry data of a user.

Abstract: A screen includes a transparent base body with a front face and a rear face, and an image sensor. The base body includes a coupling-in region and a coupling-out region at a distance therefrom in a first direction. The coupling-in region includes a diffractive structure which deflects only part of the radiation incident on the front face and originating from an object to be detected, such that the deflected part is propagated as coupled-in radiation in the base body by reflection, until it reaches the coupling-out region and is incident on said coupling-out region, and the coupling-out region deflects at least part of said incident coupled-in radiation, such that the deflected part exits the base body via the front face or the rear face and is incident on the image sensor.

Abstract: An illumination module for illuminating a surface has a beam source emitting illumination radiation, an extensive deflection hologram arranged at a distance from the surface to be illuminated, and a collimator optical unit at which the illumination radiation is directed, which collimates the illumination radiation and which emits the latter as collimated radiation incident on the deflection hologram, wherein the deflection hologram is designed such that it deflects the incident collimated radiation in the direction toward the surface to be illuminated and at the same time acts as a diffuser.

Abstract: An optical system comprises a plurality of optical channels. A control unit can switch light sources of the optical channels separately on and off. In this way, different image motifs of a hologram can be illuminated by a number of different illumination sources of at least one imaging holographic optical element.

Abstract: A holographic lighting apparatus includes at least two channels for the respective associated lighting functions. Each channel includes an edge-lit arrangement with an incoupling surface for coupling light from a light source into the arrangement, and an outcoupling surface; and a light source. The edge-lit arrangements of the channels are all included in a monolithic component having a common outcoupling surface, and each channel is arranged so as to be rotated about a surface normal of the outcoupling surface along an azimuthal arrangement angle. The component has at least one holographic structure for generating the lighting function of the relevant channel when said structure is illuminated by the light source of the channel. Also provided are a vehicle including a corresponding lighting apparatus, the use of the lighting apparatus as a display in a vehicle, and the lighting apparatus as an LED collimator.

Abstract: A functionalized waveguide for a detector system includes an incoupling region of a main body that deflects only part of the radiation coming from an object to be detected and impinges on the front face such that the deflected part propagates as coupled-in radiation in the main body by reflections up to the decoupling region and impinges on the decoupling region. A decoupling region deflects at least part of the coupled-in radiation impinging thereon such that the deflected part exits the main body via the front or rear face to impinge on the detector system. The extent of the incoupling region in a second direction transverse to the first direction is greater than the extent of the decoupling region in the second direction. In the second direction, the incoupling region has at least two different diffractive incoupling structures which have a different deflection component in the second direction.

Abstract: An illumination apparatus for a motor vehicle comprises: a light source, an optical waveguide with an incident surface and a reflective region; and a hologram arranged on or in the optical waveguide. The illumination apparatus is configured such that light emitted by the light source enters the incident surface of the optical waveguide in the direction of the reflective region, is reflected by the reflective region inside the optical waveguide in the direction of the hologram and interacts with the hologram. The average distance between the light source and the incident surface is at least half as great as the average distance between the reflective region and the hologram.

Abstract: Light-emitting devices for motor vehicles are provided, which comprise a reflection hologram. A light-guiding body is provided to direct light from a light source arrangement (4) onto the hologram.

Abstract: Light-emitting devices for motor vehicles are provided, which comprise a reflection hologram. A light-guiding body is provided to direct light from a light source arrangement onto the hologram.

Abstract: An apparatus for supplying energy to an active eye implant can include a beam expander that includes a first expansion element and a second expansion element. The second expansion element can be configured to provide light that has been expanded twice and is effectively focused. A processes for manufacturing apparatuses for supplying energy to an active eye implant can be based on head geometry data of a user.

Abstract: The invention relates to a lighting device for motor vehicles. Said lighting device comprises a primary hologram for providing a lighting function when the primary hologram is illuminated with illumination light. The illumination light is directed towards the primary hologram via a secondary hologram system which comprises a coupling-in hologram, a waveguide substrate and a coupling-out hologram.

Abstract: A functionalized waveguide for a detector system and a lighting and/or projection system includes a transparent base body. A first outcoupling region deflects at least a part of the incoupled radiation hitting the first outcoupling region, such that the deflected part exits the base body via a front side or a rear side thereof in order to hit the detector system. The extent of the first incoupling region in a second direction perpendicular to a first direction is greater than the extent of the first outcoupling region in the second direction. The base body has a second outcoupling region, which deflects at least a part of light from a light source or image source hitting the second outcoupling region as illuminating radiation, such that the deflected part is used for illumination and/or projection.

Abstract: A waveguide for a detector system includes a transparent main body with a partially transparent incoupling region and a decoupling region that is spaced apart therefrom in a first direction. The incoupling region includes a diffractive structure which deflects only part of radiation coming from an object to be detected and impinging on the front face such that the deflected part propagates as coupled-in radiation in the main body by reflections up to the decoupling region and impinges on the decoupling region. The decoupling region deflects at least part of the coupled-in radiation impinging thereon such that the deflected part exits the main body via the front face or rear face in order to impinge on the detector system. The extent of the incoupling region in a second direction transverse to the first direction is greater than the extent of the decoupling region in the second direction.

Abstract: A functionalized waveguide for a detector system includes an incoupling region of a main body that deflects only part of the radiation coming from an object to be detected and impinges on the front face such that the deflected part propagates as coupled-in radiation in the main body by reflections up to the decoupling region and impinges on the decoupling region. A decoupling region deflects at least part of the coupled-in radiation impinging thereon such that the deflected part exits the main body via the front or rear face to impinge on the detector system. The extent of the incoupling region in a second direction transverse to the first direction is greater than the extent of the decoupling region in the second direction. In the second direction, the incoupling region has at least two different diffractive incoupling structures which have a different deflection component in the second direction.

Abstract: A screen includes a transparent base body with a front face and a rear face, and an image sensor. The base body includes a coupling-in region and a coupling-out region at a distance therefrom in a first direction. The coupling-in region includes a diffractive structure which deflects only part of the radiation incident on the front face and originating from an object to be detected, such that the deflected part is propagated as coupled-in radiation in the base body by reflection, until it reaches the coupling-out region and is incident on said coupling-out region, and the coupling-out region deflects at least part of said incident coupled-in radiation, such that the deflected part exits the base body via the front face or the rear face and is incident on the image sensor.

Abstract: A functionalized waveguide for a detector system includes a base body, wherein the incoupling region thereof comprises a plurality of diffractive incoupling structures, which differ in that they have different horizontal fields of view in a plane which is spanned by a perpendicular to the front side and by a second direction transverse to the first direction, such that said structures deflect radiation from the different horizontal fields of view to the outcoupling region.

Abstract: A functionalized waveguide for a detector system is provided. A transparent base body of the waveguide has a partly transparent coupling-in region and a coupling-out region at a distance therefrom in a first direction. The coupling-in region includes at least two volume holograms, which each deflect only part of radiation coming from an object to be detected and striking the front side such that the deflected part, as coupled-in radiation in the base body, is propagated by reflections as far as the coupling-out region and strikes the coupling-out region. The volume holograms of the coupling-in region differ in that their deflection function has different spectral angular properties. The coupling-out region deflects at least part of the coupled-in radiation striking said region such that the deflected part exits the base body via the front side or rear side, in order to strike the detector system.

Abstract: The invention relates to a lighting device for motor vehicles. Said lighting device comprises a primary hologram for providing a lighting function when the primary hologram is illuminated with illumination light. The illumination light is directed towards the primary hologram via a secondary hologram system which comprises a coupling-in hologram, a waveguide substrate and a coupling-out hologram.

Abstract: Light-emitting devices for motor vehicles are provided, which comprise a reflection hologram. A light-guiding body is provided to direct light from a light source arrangement onto the hologram.