Abstract: The invention relates to a projector (1) and to a projection optics (30) for a projector (1). In order to be able to operate the projector (1) as energy-efficiently as possible, it is provided, according to the invention, that the projector (1) comprises a beam splitter device (6, 6?) having a polarization beam splitter (7, 15), wherein the polarization beam splitter (7) is arranged at an object-side end (39) of the projection optics (30).

Abstract: Described are an imager and an optical system with an imager. The imager includes a beam deflector to deflect light beams within the imager, a light source with an active surface, to emit light beams in the direction of the beam deflector, a reflector with a main plane, to reflect incident light beams from the direction of the beam deflector in the direction of the beam deflector, a light modulator with an active surface, to modulate incident light beams from the direction of the beam deflector and to reflect them in the direction of the beam deflector. The beam deflector is between the reflector and the light modulator. The main plane of the reflector and the active surface of the light modulator enclose an angle of greater than 0° which faces the beam deflector.

Abstract: An optical arrangement including an optical component with a basic body and at least one retaining element, which is designed as an integral element of the optical component or which is actively connected to the optical component is disclosed. The retaining element is affixed on a first contact position of the basic body and a carrier, on which the optical component is supported by means of the retaining element. The retaining element is affixed on a second contact position of the carrier and is arranged in such a manner that it can be pivoted between a first contact position and a second contact position. The arrangement is conducted in such a manner that during a thermal expansion of the basic body in the direction of the carrier and/or with a thermal expansion of the retaining element a movement of the first contact position along the optical axis is generated.

Abstract: Described is a projection system for imaging an object into an image plane, including at least a first assembly group, a second assembly group and a third assembly group. Each of the assembly groups has at least one connected common optical axis (O1, O2, O3). A first assembly group comprises the object and a second assembly group comprises an optical component. At least two of the assembly groups are arranged tilted and/or staggered relative to each other. The optical axis (O3) of the image-side assembly group is inclined relative to the optical axis (OE) of the image (E) in the image plane. This provides a projection system from the imager to the intermediate image for a head-up display (HUD) with a tilted intermediate image plane with significantly reduced image field distortion and a dimensioning of the imaging optics adapted to the image field size for light weight and low costs.

Abstract: An optical arrangement including an optical component with a basic body and at least one retaining element, which is designed as an integral element of the optical component or which is actively connected to the optical component is disclosed. The retaining element is affixed on a first contact position of the basic body and a carrier, on which the optical component is supported by means of the retaining element. The retaining element is affixed on a second contact position of the carrier and is arranged in such a manner that it can be pivoted between a first contact position and a second contact position. The arrangement is conducted in such a manner that during a thermal expansion of the basic body in the direction of the carrier and/or with a thermal expansion of the retaining element a movement of the first contact position along the optical axis is generated.

Abstract: An optical arrangement including an optical component with a basic body and at least one retaining element, which is designed as an integral element of the optical component or which is actively connected to the optical component is disclosed. The retaining element is affixed on a first contact position of the basic body and a carrier, on which the optical component is supported by means of the retaining element. The retaining element is affixed on a second contact position of the carrier and is arranged in such a manner that it can be pivoted between a first contact position and a second contact position. The arrangement is conducted in such a manner that during a thermal expansion of the basic body in the direction of the carrier and/or with a thermal expansion of the retaining element a movement of the first contact position along the optical axis is generated.

Abstract: An optical arrangement including an optical component with a basic body and at least one retaining element, which is designed as an integral element of the optical component or which is actively connected to the optical component is disclosed. The retaining element is affixed on a first contact position of the basic body and a carrier, on which the optical component is supported by means of the retaining element. The retaining element is affixed on a second contact position of the carrier and is arranged in such a manner that it can be pivoted between a first contact position and a second contact position. The arrangement is conducted in such a manner that during a thermal expansion of the basic body in the direction of the carrier and/or with a thermal expansion of the retaining element a movement of the first contact position along the optical axis is generated.

Abstract: The invention relates to a microlens arrangement (12) and an illumination device (10) for uniformly illuminating of an area (F), with a light source (11) and a microlens arrangement (12). In order to illuminate the area (F) to be illuminated as homogeneously as possible, the at least one microlens (1) of the microlens arrangement (12) has an entrance face (2) which is shaped such that monochromatic light incident on the microlens (1) and propagating parallel to the optical axis (O) is refracted by the entrance face (2) such that back focal lengths (S1, S2, S3) of the light with the optical axis (O) increase with the height of incidence (E1, E2, E3).

Abstract: The disclosure relates to a method and a determination device for determining a surface shape of an object. In order to build the determination device as compact as possible, according to the invention, the object is illuminated by an illuminating line and illuminating light reflected by the object is directed to a sensor line of the determination device.

Abstract: An optical arrangement including an optical component with a basic body and at least one retaining element, which is designed as an integral element of the optical component or which is actively connected to the optical component is disclosed. The retaining element is affixed on a first contact position of the basic body and a carrier, on which the optical component is supported by means of the retaining element. The retaining element is affixed on a second contact position of the carrier and is arranged in such a manner that it can be pivoted between a first contact position and a second contact position. The arrangement is conducted in such a manner that during a thermal expansion of the basic body in the direction of the carrier and/or with a thermal expansion of the retaining element a movement of the first contact position along the optical axis is generated.

Abstract: Described is a lighting device for detecting three-dimensional structures, in particular for a gesture recognition apparatus, as well as a gesture recognition apparatus having a lighting device. In order to be able to compactly construct the lighting device, the lighting device includes a prism through which illumination light (L) passes twice in order to illuminate a gesture.

Abstract: Described is an optical system and method for operating an HUD. The optical system includes an imaging system that generates optical radiation based on image information, a display system that projects the optical radiation, a deflection device that deflects the projected optical radiation, and at least one optically transparent pane-shaped element that at least partially reflects the deflected optical radiation. The deflection device guides the projected optical radiation onto the pane-shaped element, the optical radiation hitting the pane-shaped element at an angle. The imaging system, the display system, the deflection device and the pane-shaped element are arranged to generate a virtual image of optical radiation containing the image information. The optical system includes first and second edge points of the pane-shaped element. The first edge point has a minimal distance (dmin(1)) to the deflection device and the second edge point has a minimal distance (dmin(2)) to the imaging system.

Abstract: Described is a projection system for imaging an object into an image plane, including at least a first assembly group, a second assembly group and a third assembly group. Each of the assembly groups has at least one connected common optical axis (O1, O2, O3). A first assembly group comprises the object and a second assembly group comprises an optical component. At least two of the assembly groups are arranged tilted and/or staggered relative to each other. The optical axis (O3) of the image-side assembly group is inclined relative to the optical axis (OE) of the image (E) in the image plane. This provides a projection system from the imager to the intermediate image for a head-up display (HUD) with a tilted intermediate image plane with significantly reduced image field distortion and a dimensioning of the imaging optics adapted to the image field size for light weight and low costs.

Abstract: Described is a projection system for imaging an object into an image plane, including at least a first assembly group, a second assembly group and a third assembly group. Each of the assembly groups has at least one connected common optical axis (O1, O2, O3). A first assembly group comprises the object and a second assembly group comprises an optical component. At least two of the assembly groups are arranged tilted and/or staggered relative to each other. The optical axis (O3) of the image-side assembly group is inclined relative to the optical axis (OE) of the image (E) in the image plane. This provides a projection system from the imager to the intermediate image for a head-up display (HUD) with a tilted intermediate image plane with significantly reduced image field distortion and a dimensioning of the imaging optics adapted to the image field size for light weight and low costs.

Abstract: The present invention relates to an optical projection system for a display, and more particularly to an optical projection system for a head-up display with improved light efficiency.

Abstract: Device (1) for projecting an image into a display area (2), with an imager (31) generating the picture, a first projection device (30) for generating a real intermediate image (R), a screen (5) onto which the first projection device (32) projects the intermediate image (R) and to a second projection device (9) projecting the intermediate image (R) into the display area (2). In order to project the image with the least possible loss of brightness, the invention provides that main beam directions (H, H?, H?) of the screen (5) point into an entrance pupil (20) of the second projection device (9).

Abstract: The invention relates to a projector (1) and to a projection optics (30) for a projector (1). In order to be able to operate the projector (1) as energy-efficiently as possible, it is provided, according to the invention, that the projector (1) comprises a beam splitter device (6, 6?) having a polarization beam splitter (7, 15), wherein the polarization beam splitter (7) is arranged at an object-side end (39) of the projection optics (30).

Abstract: Described are an imager and an optical system with an imager. The imager includes a beam deflector to deflect light beams within the imager, a light source with an active surface, to emit light beams in the direction of the beam deflector, a reflector with a main plane, to reflect incident light beams from the direction of the beam deflector in the direction of the beam deflector, a light modulator with an active surface, to modulate incident light beams from the direction of the beam deflector and to reflect them in the direction of the beam deflector. The beam deflector is between the reflector and the light modulator. The main plane of the reflector and the active surface of the light modulator enclose an angle of greater than 0° which faces the beam deflector.

Abstract: A laser source is described. The laser source is configured for providing collimated laser beams arranged in a ring-shape for exiting a phosphor. The laser source has laser diodes arranged in a ring-shaped manner around a symmetry axis. Parallel parts of the laser beams form a hollow tube. Further, a light source is described. The light source has a phosphor, an optical element and a light source configured for providing collimated laser beams arranged in a ring-shape for exiting the phosphor. The light source is arranged such that the collimated laser beams are directed opposite to the collimated luminance.

Abstract: The invention relates to a projector (1) and to a projection optics (30) for a projector (1). In order to be able to operate the projector (1) as energy-efficiently as possible, it is provided, according to the invention, that the projector (1) comprises a beam splitter device (6, 6?) having a polarization beam splitter (7, 15), wherein the polarization beam splitter (7) is arranged at an object-side end (39) of the projection optics (30).