Covestro Deutschland Ag

Bayer Aktiengesellschaft

Lg Display Co., Ltd.

Covestro Intellectual Property Gmbh & Co. Kg

Bayer Materialscience Ag

Other

Sony Corporation

Hella Kgaa Hueck and Company

Bayer Technology Services Gmbh

Hella Gmbh & Co Kgaa

Rainer Hagen

Friedrich-Karl Bruder

Horst Berneth

Serguei Kostromine

Rafael Oser

Günther Walze

Thomas Bieringer

Thomas Fäcke

Josef-Walter Stawitz

Thomas Rölle

Marc-Stephan Weiser

Wilfried Haese

Peter Landenberger

Dennis Hönel

Hyungseok Bang

Ulrich Grosser

Alexander Meyer

Peter Capellen

Guensik Lee

Thomas Grimm

Dirk Hinzmann

Masanobu Yamamoto

Hans-Werner Schmidt

Klaus Meyer

Hidetoshi Watanabe

Martin Muegge

Yuichi Sabi

Martin Mügge

Thomas Sommermann

Karin Hassenr&uuml;ck

Heejin Im

Karin Hassenrück

Andreas Klein

Dennis Honel

Thomas Peter Facke

Seungman Ryu

Sakuya Tamada

Werner Hoheisel

Takashi Iwamura

Carsten Hohmann

Thomas Roelle

Mitsuaki Oyamada

Thomas Pfingst

Eun Soo Kim

Mehmet-Cengiz Yesildag

Ingmar Dorn

Vincenzo Taravella

Christian Diedrich

Ciro Piermatteo

Nicolas Stoeckel

Armin Berger

Jan Helmig

Yong Seok Hwang

Torsten Thust

Thomas Faecke

Guenther Walze

Stefania Scotuzzi

Andrea Crotti

Tobias Sadler

Marius Rogowski

Thorsten Schulz

Bernd Post

Rino E Kunz

Thomas Breiner

Carsten Frenz

Stephan Zilker

Axel Müller

Christian Rewitz

Thomas Peter FÄCKE

Dennis HÖNEL

François Deuber

A sensor system comprises a LiDAR unit, a camera for visible light and a cover through which light arrives at the LiDAR unit and the camera. The cover comprises a layer containing dyes. The light transmission of the cover in the range from 380 nm to 780 nm is 3% to 25% and in the range from 380 nm to 1100 nm is 40% or more. The attenuation of the LiDAR signal by the cover is such that at least 65% of the original signal intensity reaches the LiDAR detector. The layer containing dyes contains a composition comprising i) at least 70% by weight of a transparent thermoplastic polymer, ii) at least one green and/or red dye and iii) at least one red and/or violet dye. The product of the sum of the weight % fractions of dyes ii) and iii) and the thickness of the layer containing dyes is 0.041 to 0.12 wt % mm. Finally, the composition contains 0% to 0.0005% by weight of IR absorbers.

IR-transparent sensor and camera system for motor vehicles

A lighting unit which includes a multilayer body and at least a first light emitting diode (LED) light source. The multilayer body includes, in sequence, a carrier layer of a black or gray translucent thermoplastic composition, a stone layer with an average thickness of 2 mm of less, and a transparent thermoplastic layer with an average thickness of 1 mm to 6 mm. The LED light source is disposed facing at least one lateral edge of the transparent thermoplastic layer, such that light from the LED light source is guided within the transparent thermoplastic layer.

LED lighting unit with multi-layer bodies having a carrier layer, a stone layer, and an edgelit transparent layer

The invention relates to a sensor system () for a motor vehicle, comprising a sensor housing and an active or passive sensor () arranged therein and held on a movable sensor holder (), having a sensor technology based on radiation detection and a measurement apparatus assigned to the sensor () and a control apparatus, coupled to said measurement apparatus, for the sensor holder (), wherein the sensor housing has a cover () that is signal-transmissive for the sensor () on its side located in the detection direction of the sensor (), and wherein the detection range () of the sensor () in the region of the signal-transmissive cover () has a lower extent than the signal-transmissive cover (), wherein the sensor system () is characterized in that the measurement apparatus is designed such that it is suitable for checking, in the detection range of the sensor (), whether and in which section the signal-transmissive cover () has a region with reduced signal transmissivity (), wherein the measurement apparatus interacts with the control apparatus in such a way that the control apparatus is able to change the position of the sensor () in such a way that the region with reduced signal transmissivity () lies outside the detection range () of the sensor (). The invention furthermore relates to a method for operating such a sensor system () and to a motor vehicle that is equipped with such a sensor system ().

Surroundings sensor with a movable sensor unit for motor vehicles

The invention relates to a sensor system () for a vehicle, in particular a motor vehicle, comprising a sensor housing and an active or passive sensor () arranged therein, having a sensor technology based on radiation detection and a measurement apparatus assigned to the sensor (), wherein the sensor housing has a cover () that is signal-transmissive for the sensor () on its side located in the detection direction of the sensor (), and wherein the detection range of the sensor () in the region of the signal-transmissive cover () has a lower extent than the signal-transmissive cover (), wherein the sensor system () is characterized in that the sensor () is assigned a movable deflection apparatus (), coupled to a control apparatus, for deflecting the radiation of the sensor (), wherein the measurement apparatus is designed such that it is suitable for checking, in the detection range of the sensor (), whether and in which section the signal-transmissive cover () has a region with reduced signal transmissivity (), wherein the measurement apparatus interacts with the control apparatus of the deflection apparatus () in such a way that the control apparatus is able to change the position of the deflection apparatus () in such a way that the region with reduced signal transmissivity () lies outside the detection range of the sensor (). The invention furthermore relates to a method for operating such a sensor system () and to a motor vehicle that is equipped with such a sensor system ().

Surroundings sensor with a movable deflection apparatus for motor vehicles

The invention relates to a multi-layered body comprising a transparent thermoplastic layer, a diffuser layer and a metal layer which, despite a decorative, structured visible surface, can transport information from a projection unit behind it with excellent sharpness and brightness. Corresponding elements can be used, for example, in Car-to-X communication.

Translucent metallised design surface

The invention relates to a vehicle utilizing a LiDAR sensor system for driver assistance systems. A composition consisting of a thermoplastic material based on polycarbonate is used here for forming the substrate layer of a cover for the sensor with respect to the surroundings. The cover has a polysiloxane-based topcoat layer comprising a combination of organically modified silane with a silica sol, the silicon dioxide having a d90 particle size of less than 0.50 micron, in order to achieve high abrasion resistance and weathering stability.

Device comprising a multi-layer body and a LiDAR sensor

A lighting device for vehicles, in particular a signal light, with a light source for emitting a light beam and an optical unit associated with the light source for producing a predetermined light function, the optical unit having a holographic element and a lens arranged in the main emission direction in front of the holographic element, the holographic element comprising such a diffraction structure that the light beam emitted from the light source onto the holographic element is varied according to a predetermined illumination pattern such that the holographic light beam lights an illumination surface of the lens to generate the light function.

Lighting device for vehicles

The invention relates to a method for producing a holographic optical element by providing a recording stack comprising at least one recording element laminated on at least one supporting element, irradiating at least a part of the recording stack with at least one recording beam in an irradiating step, wherein during the irradiating step, the recording stack bends, providing a bending deviation threshold for the recording stack, and adjusting at least one first process parameter such that an expected maximum bending deviation of the recording stack does not exceed the bending deviation threshold, wherein the at least one first process parameter influences the bending behaviour of the recording stack during the irradiating step.

Method for producing a holographic optical element

The invention relates to an apparatus () for producing volume reflection holograms with substrate-guided reconstruction beams, comprising:

Device and method for the industrial production of volume reflection holograms with substrate-guided reconstruction beams

An autostereoscopic 3D display device is disclosed. The device includes a first light source and a second light source configured to alternately generate light and a light guide panel arranged to guide the light from the first light source in a first direction as a first light beam and the light from the second light source in a second direction as a second light beam. In the device, a stack of a plurality of holographic optical elements is configured to converge the first light beam and the second light beam from the light guide panel. The stack of the plurality of holographic optical elements may include at least one first holographic optical element and at least one second holographic optical element.

Autostereoscopic 3D display device using holographic optical elements

The invention relates to an indirect lighting arrangement () comprising at least one cylindrical waveguide (). At least one end () of the cylindrical waveguide () is designed to couple light from a first light source () into the cylindrical waveguide (), and the lateral surface () of the cylindrical wave guide () has a coupling section () which is designed to optically couple the cylindrical waveguide () to an arrangeable plate-shaped waveguide (). At least the coupling section () has at least one holographic optical element () which is designed to emit light from the cylindrical waveguide () into the arrangeable plate-shaped waveguide ().

Indirect lighting arrangement, and method for producing an indirect lighting arrangement

The invention relates to an illumination device for illuminating at least one light modulator system of a liquid crystal display, the device comprising at least one waveguide substrate for guiding at least one targeted light beam that can be coupled into the waveguide substrate. The waveguide substrate is at least in optical contact with at least one holographic optical decoupling substrate comprising a plurality of decoupling regions and a decoupling region is at least designed to decouple part of the targeted light beam in the form of a plurality of sub-beams in the direction of the light modulator system. At least one diffuser module is provided, said diffuser module being designed in such a way that at least the outermost sub-beams of two neighboring decoupling regions are at least adjacent to one another before exiting the diffuser module.

Illumination device for a liquid crystal display

The invention relates to a method for producing a holographic optical element by providing a recording stack comprising at least one recording element laminated on at least one supporting element, irradiating at least a part of the recording stack with at least one recording beam in an irradiating step, wherein during the irradiating step, the recording stack bends, providing a bending deviation threshold for the recording stack, and adjusting at least one first process parameter such that an expected maximum bending deviation of the recording stack does not exceed the bending deviation threshold, wherein the at least one first process parameter influences the bending behavior of the recording stack during the irradiating step.

The invention relates to a photopolymer formulation comprising a component reactive toward isocyanates, a polyisocyanate component, a writing monomer and a photoinitiator containing at least one dye and a coinitiator, characterized in that the coinitiator contains at least one substance of the formula (Ia)  The invention further provides a process for preparing the specific coinitiators and the coinitiators obtainable by this process, and additionally a process for producing a holographic medium using the specific coinitiators, and a holographic medium obtainable using the inventive photopolymer formulation. The invention further relates to a laminate structure comprising an inventive holographic medium and likewise specific borates suitable as coinitiators.

Photopolymer formulation for production of holographic media comprising borates with low TG

The invention relates to a photopolymer formulation comprising specific aromatic glycol ethers as writing monomers, matrix polymers and a photoinitiator. The invention further provides an unexposed holographic medium obtainable using an inventive photopolymer formulation, and an exposed holographic medium obtainable by exposing a hologram into an inventive unexposed holographic medium. The invention likewise provides a visual display comprising an inventive exposed holographic medium, for the use of an inventive exposed holographic medium for production of chip cards, identification documents, 3D images, product protection labels, labels, banknotes or holographic optical elements, and specific aromatic glycol ethers.

Aromatic glycol ethers as writing monomers in holographic photopolymer formulations

Growing community of inventors

Leverkusen, Germany

Rainer Hagen