# US 2019/0170310 A1 · Lamp for vehicle and vehicle > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2019/0170310 A1 - Document ID: US20190170310A1 - Status: Published application - Kind: A1 - Application number: 16/210,618 - Filed: 2018-12-05 - Published: 2019-06-06 - Earliest claimed: 2017-12-05 - Assignees: ZKW Group GmbH - Applicants: LG Electronics Inc. - Inventors: Youwon PARK; Sunjung PARK; Namseok OH - Web page: https://patentgrep.com/patent/US20190170310A1 ## CPC - F21S 41/153: arranged in a matrix - B60Q 1/076: by electrical means {including means to transmit the movements, e.g. shafts or joints} - F21S 41/143: the main emission direction of the LED being parallel to the optical axis of the illuminating device - F21S 41/148: the main emission direction of the LED being perpendicular to the optical axis - F21S 41/255: Lenses with a front view of circular or truncated circular outline - F21S 41/33: Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature - F21S 41/334: {the reflector consisting of patch like sectors} - F21S 41/65: by acting on light sources - B60Q 1/20: Fog lights - F21Y 2107/10: on concave supports or substrates, e.g. on the inner side of bowl-shaped supports - F21S: NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS - B60Q: ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL - 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 lamp for a vehicle includes an array module including a plurality of micro Light Emitting Diode (LED) chips. The array module has an emission surface that is concave in a first direction of the array module. The lamp further includes a lens system configured to change a waveform of light output from the array module, where the lens system has a positive optical power that represents a degree of convergence of the waveform through the lens system. ## Claims ### Claim 1 A lamp for a vehicle, comprising: an array module comprising a plurality of micro Light Emitting Diode (LED) chips, the array module having an emission surface that is concave in a first direction of the array module; and a lens system configured to change a waveform of light output from the array module, the lens system having a positive optical power that represents a degree of convergence of the waveform through the lens system. ### Claim 2 (depends on 1) The lamp according to claim 1, wherein a section length of the array module is configured to determine a section length of the lens system. ### Claim 3 (depends on 1) The lamp according to claim 1, wherein a curvature of the array module is configured to determine the positive optical power of the lens system. ### Claim 4 (depends on 1) The lamp according to claim 1, wherein the lens system comprises a first lens comprising at least one convex surface, the first lens having a first optical power. ### Claim 5 (depends on 4) The lamp according to claim 4, wherein the first lens has a first surface that is concave, and a second surface that is convex, and wherein an absolute value of an optical power of the second surface is greater than an absolute value of an optical power of the first surface. ### Claim 6 (depends on 4) The lamp according to claim 4, wherein the lens system further comprises a second lens comprising at least one concave surface, the second lens having a second optical power. ### Claim 7 (depends on 6) The lamp according to claim 6, wherein the first optical power is greater than the second optical power. ### Claim 8 (depends on 6) The lamp according to claim 6, wherein the lens system further comprises a third lens comprising at least one convex surface, the third lens having a third optical power. ### Claim 9 (depends on 8) The lamp according to claim 8, wherein the second lens is disposed between the first lens and the third lens. ### Claim 10 (depends on 8) The lamp according to claim 8, wherein a sum of the first optical power and the third optical power is greater than an absolute value of the second optical power. ### Claim 11 (depends on 1) The lamp according to claim 1, wherein the lens system comprises an odd number of lenses comprising at least one of convex lenses or concave lenses, and wherein a number of the convex lenses of the lens system is greater than a number of the concave lenses of the lens system. ### Claim 12 (depends on 1) The lamp according to claim 1, wherein the lens system comprises an even number of lenses comprising at least one of convex lenses or concave lenses, and wherein a sum of absolute values of optical powers of the convex lenses is greater than a sum of absolute values of optical powers of the convex lenses. ### Claim 13 (depends on 1) The lamp according to claim 1, wherein the array module comprises: a plurality of first regions oriented toward a second direction opposite to the first direction; and a plurality of second regions oriented toward at least a portion of the array module, wherein the plurality of micro LED chips comprises first micro LED chips disposed at the plurality of first regions, and second micro LED chips disposed at the plurality of second regions. ### Claim 14 (depends on 13) The lamp according to claim 13, further comprising: a three-dimensional (3D) reflector configured to reflect light generated by the second micro LED chips disposed at the plurality of second regions, wherein the lens system comprises a central portion and a peripheral portion, and wherein an optical power of the central portion is greater than an optical power of the peripheral portion. ### Claim 15 (depends on 14) The lamp according to claim 14, wherein the 3D reflector is located at the emission surface at a position that is coaxial with an axis of the lens system passing the central portion. ### Claim 16 (depends on 1) The lamp according to claim 1, wherein the lens system is configured to converge light output from the array module to one or more focal points outside of the emission surface. ### Claim 17 (depends on 2) The lamp according to claim 2, wherein the lens system comprises at least one lens, and wherein a section length of the lens is less than the section length of the array module. ### Claim 18 (depends on 2) The lamp according to claim 2, wherein the lens system comprises at least one lens, and wherein a section length of the lens is greater than the section length of the array module. ### Claim 19 (depends on 13) The lamp according to claim 13, wherein the plurality of first regions and the plurality of second regions are alternately arranged at the emission surface of the array module, and wherein each of the plurality of first regions is disposed between two second regions of the plurality of second regions. ### Claim 20 (depends on 19) The lamp according to claim 19, wherein the first micro LED chips are configured emit light in a direction parallel to an axis of the lens system, and wherein the second micro LED chips are configured to emit light toward the emission surface in a direction across the axis of the lens system.