Abstract: An eyeglass lens for an optical imaging element for producing a virtual image of an initial image includes a main body and at least one complementary element mounted on the main body. The main body has a material with a first index of refraction n1. A viscous or solid intermediate layer is arranged between the complementary element and the main body at least in the region where the complementary element overlaps with a reflection section of the main body. The material of the viscous or solid intermediate layer has a second index of refraction n2 that satisfies the condition n2<n1 sin(?E). ?E is an angle of incidence of the light beams of the imaging beam path proceeding from the incoupling section and incident on the reflection section, selected such that at least 50% of the light beams of the imaging beam path have an angle of incidence of ?>?E.

Abstract: An optical system for generating a virtual image of a source image provided on an image generator includes a surface of an output coupling that is exposed to a light beam path that is surface-treated such that the light beam path is coupled out from an optical waveguide toward the eye from first partial regions of the surface of the output coupling. In second partial regions of the surface of the output coupling, said second partial regions being different from the first partial regions, said light beam path is coupled out from the optical waveguide toward the eye at most with reduced intensity, or not at all.

Abstract: An optical system includes a light guide to be worn in front of one eye, which guides light beams from the source image into the light guide and towards a reflective outcoupling arrangement, which couples the light beams out of the light guide to the eye. The outcoupling arrangement has a plurality of individual mirrors, which are spaced apart from one another in the light propagation direction. A first group of individual mirrors couples first light beams, which originate from a first imaging region, out of the light guide towards the eye, and at least one second group of individual mirrors couples second light beams, which originate from a second imaging region, out of the light guide towards the eye. The individual mirrors of the first group and the second group are each arranged alternating in the light propagation direction.

Abstract: A spectacle lens for a display device which can be placed on the head of a user and generate an image has a front and a rear, an injection section and a deflection section spaced from the injection section, an exit section in the rear and a light-guiding channel which guides light beams of pixels of the generated image, which are injected into the spectacle lens via the injection section, in the spectacle lens to the deflection section, by which they are deflected towards the exit section and then coupled out of the spectacle lens through the exit section. The spectacle lens is in the form of a progressive lens having a distance vision region and a near vision region, and the exit section, as viewed from above onto the rear of the spectacle lens, lies outside the distance vision region and outside the near vision region.

Abstract: A method is provided for the user-specific calibration of a display apparatus, wearable on the head of a user, for an augmented presentation, wherein A), in a basic calibration step, the position of the at least one eye is ascertained relative to the display apparatus in all three spatial directions in the state where the display apparatus is worn on the head of the user and said position is saved in the display apparatus as adjustment data in such a way that an image generating module of the display apparatus generates the image taking account of the adjustment data.

Abstract: A lacquer composition is provided, comprising 20%-79.9% by weight, based on the total weight of the composition, of a thiol compound having two or more thiol groups, 20%-79.9% by weight, based on the total weight of the composition, of a compound having two or more carbon-carbon double bonds and 0.1%-10% by weight, based on the total weight of the composition, of a separating agent having an alkyl radical having 4-20 carbon atoms, where the alkyl radical is unsubstituted or fluorine-substituted and the alkyl radical is bonded to a functional group. Also provided are the use of this lacquer composition as a protective lacquer on an optical surface of an optical element in the production of the optical element, and an optical element comprising the protective lacquer.

Abstract: An eyeglass lens for an optical imaging element for producing a virtual image of an initial image includes a main body and at least one complementary element mounted on the main body. The main body has a material with a first index of refraction n1. A viscous or solid intermediate layer is arranged between the complementary element and the main body at least in the region where the complementary element overlaps with a reflection section of the main body. The material of the viscous or solid intermediate layer has a second index of refraction n2 that satisfies the condition n2<n1 sin(?E). ?E is an angle of incidence of the light beams of the imaging beam path proceeding from the incoupling section and incident on the reflection section, selected such that at least 50% of the light beams of the imaging beam path have an angle of incidence of ?>?E.

Abstract: An optical system for transmitting a source image includes a light guide, which defines a light transmission channel, an optical coupling arrangement and an optical decoupling arrangement, the coupling arrangement being designed to couple light emerging from the source image into the light guide arrangement in such a way that the light can propagate in the light guide arrangement by total reflection, and the decoupling arrangement being designed to decouple light that has propagated in the light guide arrangement from the light guide arrangement. The light guide arrangement comprises an optical deflection device, which, as viewed in the direction of propagation of the light in the light guide arrangement, is arranged between the coupling arrangement and the decoupling arrangement and is designed to deflect light ray bundles, emerging from the coupling arrangement at different beam angles and impinging divergently on the deflection device, in bundled manner towards the decoupling arrangement.

Abstract: A method for producing a freeform Fresnel surface having a number of Fresnel facets with a respective Fresnel segment surface and a trailing edge includes the production of the freeform Fresnel surface via machining processing of a starting body based on the construction data for the freeform Fresnel surface. With the aid of the circular cylinder casing surfaces and/or cone casing surfaces, the projection of the edges of the Fresnel facets on the x-y-plane represent circular paths for the creation of the construction data.

Abstract: A spectacle lens for smartglasses can include at least one light source arrangement at the edge of the spectacle lens that emits coherent light, or at least one region at the edge of the spectacle lens for coupling in light from a light source arrangement that emits coherent light, or at least one light source arrangement that is embedded in the spectacle lens. A transparent or partly transparent display can provided to the spectacle lens such that coherent light emanating from the light source arrangement emits coherent light passing through the display or is reflected by the display. The wavefront of the coherent light is modulable in terms of its amplitude and/or its phase by an actuation of the display. A deformation device for deforming the wavefront of the coherent light before or after the modulation by the display can also be provided.

Abstract: A spectacle lens for a display device that can be fitted on the head of a user and generate an image. A coupling-in section in an edge area of the spectacle lens and a coupling-out section in a central area of the spectacle lens. The spectacle lens is suitable for coupling light bundles of pixels of the generated image into the spectacle lens via the coupling-in section, guiding them in the spectacle lens to the coupling-out section and coupling them out of the spectacle lens via the coupling-out section. The coupling-in section can divide at least one of the light bundles into several first sub-bundles and couple them into the spectacle lens offset from each other in a first direction such that the first sub-bundles are guided in the spectacle lens to the coupling-out section along a second direction running transverse with respect to the first direction.

Abstract: An imaging apparatus for smartglasses includes an image generator element arrangement having a number of image generator elements, on which a corresponding number of original partial images is represented, a number of imaging channels comprising in each case at least one image-forming reflection surface and/or at least one image-forming refraction surface, said number corresponding to the number of image generator elements, wherein each of the imaging channels is associated with one of the image generator elements and transmits one of the original partial images, and a spectacle lens, which is common to all imaging channels and via which the imaging channels are directed in the direction of an observer's eye. The image-forming reflection surfaces and/or refraction surfaces of the imaging channels are surfaces of a prism that is arranged on the spectacle lens.

Abstract: An optical component has a small-volume section and a large-volume section, wherein said optical component is a single-piece injection-molded component with the exception of one region in the large-volume section, said component being supplemented, in the region in the large-volume section, by an add-on to the optical component.

Abstract: A curved light guide can be used as an imaging optical unit or as part of an imaging optical unit for an HMD. The light guide can be arranged in front of at least one eye and have a concave curvature, as seen from the eye. The light can include a back surface facing the eye and a front surface facing away from the eye, an input coupling structure for coupling light into the light guide in such a way that light is guided through the light guide with reflection at the front surface and/or the back surface, and an output coupling structure for coupling out the light guided through the light guide. The light guide can have a diverging structure, the absolute value of the focal length of which is less than or equal to the radius of curvature of the light guide.

Abstract: Systems, methods, computer programs and devices are provided where a virtual operating system application essentially operating a device with reduced computing power runs on a mobile device. The virtual operating system may allow running of applications for the further device or act as a proxy for the further device to be controlled by other applications running on the mobile device.

Abstract: Provided is an optical element with a Fresnel structure with several Fresnel segments. Each Fresnel segment has an optically active facet, the shape of which is part of a predetermined surface. The predetermined surfaces of the optically active facets differ in terms of their curvature profile.