Holographic and diffractive optical encoding techniques for forming reflection or transmission holograms. The encoding device includes a substrate having an interference pattern that can propagate light along a light propagation path from one side of the substrate to another side of the substrate. Furthermore, an optical element may be used to propagate light according to a four-dimensional light field coordinate system.

An auxiliary stop lamp for vehicles, in particular a high mounted stop lamp for vehicles, having a light source for the radiation of a light beam and having a holographic element for the refraction and/ or reflection of the light beam, the holographic element having a holographic light distributor to generate a stop light function, wherein the holographic element is arranged inside and/or in the region of an edge of a housing of the auxiliary stop lamp, or embodied as an edge of the housing of the auxiliary stop lamp.

Holographic and diffractive optical encoding techniques for forming reflection or transmission holograms. The encoding device includes a substrate having an interference pattern that can propagate light along a light propagation path from one side of the substrate to another side of the substrate. Furthermore, an optical element may be used to propagate light according to a four-dimensional light field coordinate system.

Holographic and diffractive optical encoding techniques for forming reflection or transmission holograms. The encoding device includes a substrate having an interference pattern that can propagate light along a light propagation path from one side of the substrate to another side of the substrate. Furthermore, an optical element may be used to propagate light according to a four-dimensional light field coordinate system.

An image reproduction device includes: a reflection hologram which reflects reproduction illumination light emitted from a first side to reproduce a reproduced image on the first side; and a beam splitting element which is arranged on the first side of the reflection hologram, which reflects the reproduction illumination light which has been emitted from a reproduction light source and which has passed through the reflection hologram, which emits the reflected reproduction illumination light toward the reflection hologram from the first side, and which transmits light of a reproduced image reproduced by the reflection hologram.

The present disclosure provides a holographic display and a display method thereof, and a display device. A holographic display comprises: a light source support; a light emitting member including at least one light source and provided on the light source support; a first spatial light modulator and a second spatial light modulator respectively located at both sides of the light emitting member; a first semi-transmissive semi-reflective film located at a side of the first spatial light modulator which is adjacent to the light emitting member; and a second semi-transmissive semi-reflective film located at a side of the second spatial light modulator which is adjacent to the light emitting member. According to the technical solutions provided by the present disclosure, a light and thin holographic display can be provided, and during holographic displaying, a single-side display or a double-sides display can be achieved.

The present disclosure provides a holographic display and a display method thereof, and a display device. A holographic display comprises: a light source support; a light emitting member including at least one light source and provided on the light source support; a first spatial light modulator and a second spatial light modulator respectively located at both sides of the light emitting member; a first semi-transmissive semi-reflective film located at a side of the first spatial light modulator which is adjacent to the light emitting member; and a second semi-transmissive semi-reflective film located at a side of the second spatial light modulator which is adjacent to the light emitting member. According to the technical solutions provided by the present disclosure, a light and thin holographic display can be provided, and during holographic displaying, a single-side display or a double-sides display can be achieved.

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.

An auxiliary stop lamp for vehicles, in particular a high mounted stop lamp for vehicles, having a light source for the radiation of a light beam and having a holographic element for the refraction and/or reflection of the light beam, the holographic element having a holographic light distributor to generate a stop light function, wherein the holographic element is arranged inside and/or in the region of an edge of a housing of the auxiliary stop lamp, or embodied as an edge of the housing of the auxiliary stop lamp.

An automotive hologram image producing lamp is provided. The automotive hologram image producing lamp includes beam exposed to the exterior to be provided in the form of a hologram image. The automotive hologram image producing lamp includes a light source configured to emit light, a hologram forming unit configured to receive incidence of a first partial light among the emitted light to form a hologram and a light pattern forming unit configured to transmit a second partial light among the emitted light to form a information providing light pattern.