# US 9,751,453 B2 · Lamp unit producing various beam patterns > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 9,751,453 B2 - Document ID: US9751453B2 - Status: Granted - Kind: B2 - Application number: 15/064,324 - Filed: 2016-03-08 - Published: 2016-06-30 - Granted: 2017-09-05 - Earliest claimed: 2012-07-13 - Assignees: LG Innotek Co., Ltd. - Applicants: LG Innotek Co., Ltd. - Inventors: Yun Min Cho; Gun Kyo Lee - Web page: https://patentgrep.com/patent/US9751453B2 ## CPC - F21S 41/153: arranged in a matrix - B60Q 1/06: adjustable, e.g. remotely-controlled from inside vehicle (B60Q1/05 takes precedence) - B60Q 1/085: {due to special conditions, e.g. adverse weather, type of road, badly illuminated road signs or potential dangers (B60Q1/10, B60Q1/12, B60Q1/1423 take precedence)} - F21S 41/192: {Details of lamp holders, terminals or connectors} - F21S 41/663: by switching light sources (by switching incandescent light sources F21S41/162) - F21S 43/14: Light emitting diodes [LED] - F21S 43/195: {Details of lamp holders, terminals or connectors} - F21V 7/22: characterised by materials, surface treatments or coatings, e.g. dichroic reflectors - H05B 45/00: Circuit arrangements for operating light-emitting diodes [LED] - F21S 45/48: with means for conducting heat from the inside to the outside of the lighting devices, e.g. with fins on the outer surface of the lighting device - F21Y 2105/12: characterised by the geometrical disposition of the light-generating elements, e.g. arranging light-generating elements in differing patterns or densities - F21Y 2107/10: on concave supports or substrates, e.g. on the inner side of bowl-shaped supports - F21Y 2107/50: on planar substrates or supports, but arranged in different planes or with differing orientation, e.g. on plate-shaped supports with steps on which light-generating elements are mounted - F21Y 2107/60: on stacked substrates - F21Y 2115/10: Light-emitting diodes [LED] - H10W 72/5473: {multiple bond wires connected to a common bond pad} - H10W 90/00: Package configurations - 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 - F21V: FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR - H05B: ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, 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 - H10W: GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10 ## Abstract A lamp unit may be provided that includes: a first substrate; a second substrate disposed on the first substrate; and a plurality of light sources disposed on the second substrate, wherein at least two light source arrays are provided, in each of which a plurality of the light sources are disposed in a row, wherein at least a first light source array and a second light source array among the light source arrays are individually driven, wherein the second substrate comprises an upper surface including a first surface on which the first light source array is disposed and a second surface on which the second light source array, and wherein the first surface is higher than the second surface. ## Claims ### Claim 1 A lamp unit comprising: a first substrate; a second substrate disposed on the first substrate; and a plurality of light sources disposed on the second substrate, wherein at least two light source arrays are provided, in each of which a plurality of the light sources are disposed in a row, wherein at least a first light source array and a second light source array among the light source arrays are individually driven, wherein the second substrate comprises an upper surface including a first surface on which the first light source array is disposed and a second surface on which the second light source array, and wherein the first surface is higher than the second surface. ### Claim 2 (depends on 1) The lamp unit of claim 1, wherein the upper surface of the second substrate includes a side surface disposed between the first surface and the second surface, and wherein the side surface is perpendicular to the first surface. ### Claim 3 (depends on 1) The lamp unit of claim 1, wherein a first light source included in the first light source array and a second light source included in the second light source array is disposed on different planes. ### Claim 4 (depends on 3) The lamp unit of claim 3, wherein an upper surface of the second light source is higher than the first surface. ### Claim 5 (depends on 3) The lamp unit of claim 3, wherein an upper surface of the second light source is coplanar with the first surface. ### Claim 6 (depends on 3) The lamp unit of claim 3, wherein an upper surface of the second light source is lower than the first surface. ### Claim 7 (depends on 3) The lamp unit of claim 3, wherein a first light emission direction of the first light source is different from a second light emission of the second light source. ### Claim 8 (depends on 7) The lamp unit of claim 7, wherein the first light emission is perpendicular to the second light emission. ### Claim 9 (depends on 7) The lamp unit of claim 7, wherein the first light emission is opposite to the second light emission. ### Claim 10 (depends on 1) The lamp unit of claim 1, wherein the upper surface of the second substrate includes a side surface disposed between the first surface and the second surface, and wherein the side surface is tilted at an obtuse angle with respect to the second surface. ### Claim 11 (depends on 10) The lamp unit of claim 10, wherein a third light source array is disposed on the side surface. ### Claim 12 (depends on 11) The lamp unit of claim 11, wherein a third light emission of a third light source included in the third light source array is different from a first light emission of a first light source included in the first light source array. ### Claim 13 (depends on 11) The lamp unit of claim 11, wherein a third luminous flux of a third light source included in the third light source array is different from a first luminous flux of a first light source included in the first light source array. ### Claim 14 A lamp unit comprising: a first substrate; a second substrate disposed on the first substrate; and a plurality of light sources disposed on the second substrate, wherein at least two light source arrays are provided, in each of which a plurality of the light sources are disposed in a row, wherein at least a first light source array and a second light source array among the light source arrays are individually driven, wherein the second substrate comprises an upper surface, and wherein the upper surface is concave or convex. ### Claim 15 (depends on 14) The lamp unit of claim 14, wherein a first light source included in the first light source array and a second light source included in the second light source array is disposed on the upper surface of the second substrate, and wherein a first light emission direction of the first light source is different from a second light emission of the second light source. ### Claim 16 A lamp unit comprising: a first substrate; a second substrate disposed on the first substrate; and a plurality of light sources disposed on the second substrate, wherein at least two light source arrays are provided, in each of which a plurality of the light sources are disposed in a row, wherein at least a first light source array and a second light source array among the light source arrays are individually driven, wherein the second substrate comprises a projection protruded from an upper surface of the second substrate, and wherein the first light source array is disposed on the projection, the second light source array is disposed on the upper surface. ### Claim 17 (depends on 16) The lamp unit of claim 16, wherein an angle between the upper surface of the second substrate and a side surface of the projection is a right angle. ### Claim 18 (depends on 16) The lamp unit of claim 16, wherein an angle between the upper surface of the second substrate and a side surface of the projection is an obtuse angle. ### Claim 19 (depends on 18) The lamp unit of claim 18, wherein a third light source array is disposed on the side surface of the projection. ### Claim 20 (depends on 19) The lamp unit of claim 19, wherein a first light emission direction of a first light source included in the first light source array is different from a third light emission of a third light source of the third light source array.