# US 2020/0400282 A1 · Lighting Device for a Motor Vehicle > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2020/0400282 A1 - Document ID: US20200400282A1 - Status: Published application - Kind: A1 - Application number: 16/968,447 - Filed: 2019-01-14 - Published: 2020-12-24 - Earliest claimed: 2018-02-08 - Assignees: Bayerische Motoren Werke Aktiengesellschaft - Applicants: Bayerische Motoren Werke Aktiengesellschaft - Inventors: Helmut ERDL; Abdelmalek HANAFI - Web page: https://patentgrep.com/patent/US20200400282A1 ## CPC - F21S 41/675: by moving reflectors - F21S 41/176: Light sources where the light is generated by photoluminescent material spaced from a primary light generating element - F21S 41/645: {by electro-optic means, e.g. liquid crystal or electrochromic devices} - F21W 2102/13: for high-beam region or low-beam region - F21Y 2115/30: Semiconductor lasers - F21S: NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS - F21W: INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS - F21Y: INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED ## Abstract A lighting device for a motor vehicle includes a light source and a spatial three-dimensional light modulator, on which light originating from the light source falls, wherein the three-dimensional light modulator can be activated electrically in order, during operation of the lighting device, to modulate the amplitude of the light falling thereon in such a way that a predefined light distribution is produced in the surroundings of the motor vehicle. Provided in the lighting device is a scanner, on which light originating from the light source falls and which is configured to carry out a scanning movement, such that a moving light beam which illuminates a predefined region on the three-dimensional light modulator is produced from the light which falls on the scanner. ## Claims ### Claim at position 1 -11. (canceled) ### Claim 12 A lighting device for a motor vehicle, comprising: a light source; a spatial light modulator; and a scanner, on which light originating from the light source is incident and which is configured for implementing a scanning movement so that, from the light which is incident on the scanner, a moving light beam is formed, which illuminates a specified region on the spatial light modulator; wherein the spatial light modulator is electrically actuatable to modulate an amplitude of the light incident thereon during operation of the lighting device such that a specified light distribution is generated in a vicinity of the motor vehicle. ### Claim 13 (depends on 12) The lighting device according to claim 12, wherein the light source comprises a laser light source. ### Claim 14 (depends on 12) The lighting device according to claim 12, wherein the scanner is a vector scanner with variable scanning speed and scanning direction of the light beam. ### Claim 15 (depends on 12) The lighting device according to claim 12, wherein the spatial light modulator comprises a transmissive modulator and/or a reflective modulator. ### Claim 16 (depends on 15) The lighting device according to claim 15, wherein the transmissive modulator is an LCD modulator and the reflective modulator is a DMD modulator. ### Claim 17 (depends on 12) The lighting device according to claim 12, wherein the spatial light modulator is arranged in an intermediate image plane, in which a real intermediate image is generated by the moving light beam, from which the specified light distribution is generated in the vicinity of the motor vehicle by a secondary optical unit. ### Claim 18 (depends on 17) The lighting device according to claim 17, wherein the secondary optical unit comprises one or more reflectors and/or one or more lenses. ### Claim 19 (depends on 12) The lighting device according to claim 12, wherein a specified light form is generated on the spatial light modulator by the moving light beam, wherein, during the operation of the lighting device, the spatial light modulator is actuated such that the light form is clipped by the spatial light modulator. ### Claim 20 (depends on 12) The lighting device according to claim 12, further comprising: a conversion element in the lighting device, said conversion element converting the light of the light source that is incident thereon into white light, whereby a white light distribution is generated as a specified light distribution in the vicinity of the motor vehicle. ### Claim 21 (depends on 12) The lighting device according to claim 12, wherein the lighting device comprises a front headlight for a motor vehicle, and the lighting device is configured to generate at least one part of a dipped beam light distribution and/or full beam light distribution as a light distribution in the vicinity of the motor vehicle. ### Claim 22 (depends on 12) The lighting device according to claim 12, wherein the lighting device is configured to generate a base light distribution in the vicinity of the motor vehicle, which is overlaid with the specified light distribution, wherein the specified light distribution is brighter than the base light distribution. ### Claim 23 (depends on 12) A motor vehicle comprising one or more lighting devices according to claim 12.