# US 11,114,598 B2 · Lamp using semiconductor light-emitting elements > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,114,598 B2 - Document ID: US11114598B2 - Status: Granted - Kind: B2 - Application number: 16/964,883 - Filed: 2018-04-13 - Published: 2021-02-11 - Granted: 2021-09-07 - Earliest claimed: 2018-01-26 - Assignees: LG Electronics Inc. - Applicants: LG Electronics Inc. - Inventors: Kyungho Lee; Sungwhan Lee; Hooyoung Song - Web page: https://patentgrep.com/patent/US11114598B2 ## CPC - H10H 20/857: Interconnections, e.g. lead-frames, bond wires or solder balls - F21S 41/153: arranged in a matrix - F21S 41/192: {Details of lamp holders, terminals or connectors} - F21S 41/321: {the reflector being a surface of revolution or a planar surface, e.g. truncated} - F21S 43/15: Strips of light sources - F21S 43/195: {Details of lamp holders, terminals or connectors} - F21S 43/31: Optical layout thereof - F21S 43/601: {characterised by variable optical properties, e.g. involving the use of LCD or movable parts} - H10H 20/833: Transparent materials - H10W 90/00: Package configurations - F21S 41/141: Light emitting diodes [LED] - F21S 43/14: Light emitting diodes [LED] - F21W 2102/30: Fog lights - F21Y 2115/10: Light-emitting diodes [LED] - H10H: INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS - F21S: NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS - H10W: GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10 - 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 Discussed is a lamp or a lighting device including a wiring substrate; a bus electrode provided on the wiring substrate; a plurality of electrode lines provided on the wiring substrate, and extending from the bus electrode, each electrode line having one end and a central portion located between the one end and the bus electrode; a plurality of semiconductor light-emitting elements aligned along an extending direction of the plurality of electrode lines, and disposed to be spaced apart from adjacent electrode lines of the plurality of electrode lines by varying distances, respectively; and a plurality of transparent electrodes that respectively provide an electrical connection between the plurality of electrode lines and the plurality of semiconductor light-emitting elements, wherein the respective varying distances between the plurality of semiconductor light-emitting elements and each of the adjacent electrode lines decrease toward the central portion of the each electrode line. ## Claims ### Claim 1 A lamp, comprising: a wiring substrate; a bus electrode provided on the wiring substrate; a plurality of electrode lines provided on the wiring substrate, and extending from the bus electrode, each electrode line having one end and a central portion located between the one end and the bus electrode; a plurality of semiconductor light-emitting elements aligned along an extending direction of the plurality of electrode lines, and disposed to be spaced apart from adjacent electrode lines of the plurality of electrode lines by varying distances, respectively; and a plurality of transparent electrodes that respectively provide an electrical connection between the plurality of electrode lines and the plurality of semiconductor light-emitting elements, wherein the respective varying distances between the plurality of semiconductor light-emitting elements and each of the adjacent electrode lines decrease toward the central portion of the each electrode line. ### Claim 2 (depends on 1) The lamp of claim 1, wherein the respective varying distances between each of the adjacent electrode lines and the plurality of semiconductor light-emitting elements increase toward the bus electrode or the one end. ### Claim 3 (depends on 2) The lamp of claim 2, wherein a width of each of the plurality of electrode lines increases toward the central portion of the each electrode line. ### Claim 4 (depends on 1) The lamp of claim 1, wherein each of the plurality of electrode lines includes a plurality of protrusions protruding in a direction different from the extending direction of the plurality of electrode lines. ### Claim 5 (depends on 4) The lamp of claim 4, wherein a length of each of the plurality of protrusions increases toward the central portion of the each electrode line. ### Claim 6 (depends on 5) The lamp of claim 5, wherein the plurality of transparent electrodes are electrically connected to the plurality of protrusions, respectively, and extend in a protruding direction of the plurality of protrusions so as to be electrically connected to the plurality of semiconductor light-emitting elements, respectively. ### Claim 7 (depends on 4) The lamp of claim 4, wherein a length of each of the plurality of protrusions is greater than the respective varying distances between each of the adjacent electrode lines and the plurality of semiconductor light-emitting elements. ### Claim 8 (depends on 7) The lamp of claim 7, wherein the plurality of transparent electrodes are electrically connected to the plurality of protrusions, respectively, and extend in the extending direction of the plurality of electrode lines so as to be electrically connected to the plurality of semiconductor light-emitting elements, respectively. ### Claim 9 (depends on 1) The lamp of claim 1, wherein the bus electrode includes a first bus electrode and a second bus electrode, and wherein the first bus electrode and the second bus electrode are inclined with respect to each other. ### Claim 10 (depends on 9) The lamp of claim 9, wherein the plurality of electrode lines include a first electrode line extending from the first bus electrode and a second electrode line extending from the second bus electrode, and wherein the first electrode line protrudes in a direction perpendicular to the first bus electrode, and the second electrode line protrudes in a direction inclined to the second bus electrode. ### Claim 11 (depends on 10) The lamp of claim 10, wherein the first electrode line applies an anode voltage to the plurality of semiconductor light-emitting elements, and the second electrode line applies a cathode voltage to the plurality of semiconductor light-emitting elements, and wherein a voltage difference between the anode voltage and the cathode voltage applied to each of the plurality of semiconductor light-emitting elements is constant regardless of a location of each semiconductor light-emitting element on the wiring substrate. ### Claim 12 (depends on 4) The lamp of claim 4, wherein the plurality of protrusions of the adjacent electrode lines extend toward the plurality of semiconductor light-emitting elements, respectively. ### Claim 13 (depends on 12) The lamp of claim 12, wherein the plurality of protrusions of one of the adjacent electrode lines are exactly aligned to the plurality of protrusions of the other of the adjacent electrode lines. ### Claim 14 (depends on 12) The lamp of claim 12, wherein the plurality of protrusions of one of the adjacent electrode lines are offset to the plurality of protrusions of the other of the adjacent electrode lines. ### Claim 15 (depends on 1) The lamp of claim 1, wherein the plurality of semiconductor light-emitting elements are disposed between the adjacent electrode lines. ### Claim 16 A lighting device, comprising: a wiring substrate; a plurality of first electrode lines provided on the wiring substrate, and a first bus connected to the plurality of first electrode lines; a plurality of second electrode lines provided on the wiring substrate, and a second bus connected to the plurality of second electrode lines; a plurality of semiconductor light-emitting elements disposed between adjacent pairs of and second electrode lines, wherein the plurality of first electrode lines and the plurality of second electrode lines are interdigitated, and wherein the adjacent pairs of first and second electrode lines each has a middle portion that face each other, and is closer to each other than remaining portions of the adjacent pairs of first and second electrode lines. ### Claim 17 (depends on 16) The lighting device of claim 16, wherein the middle portion is a curved bulge. ### Claim 18 (depends on 17) The lighting device of claim 17, wherein respective curved bulges of the adjacent pairs of first and second electrode lines are exactly aligned. ### Claim 19 (depends on 16) The lighting device of claim 16, wherein the middle portion is a series of protrusions. ### Claim 20 (depends on 16) The lighting device of claim 16, wherein the plurality of first electrode lines apply an anode voltage to the plurality of semiconductor light-emitting elements, and the plurality of second electrode lines apply a cathode voltage to the plurality of semiconductor light-emitting elements, and wherein a voltage difference between the anode voltage and the cathode voltage applied to each of the plurality of semiconductor light-emitting elements is constant regardless of a location of each semiconductor light-emitting element on the wiring substrate.