# US 12,183,865 B2 · LED module and display device having led module > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,183,865 B2 - Document ID: US12183865B2 - Status: Granted - Kind: B2 - Application number: 17/570,398 - Filed: 2022-01-07 - Published: 2022-04-28 - Granted: 2024-12-31 - Earliest claimed: 2019-07-12 - Assignees: Japan Display Inc. - Applicants: Japan Display Inc. - Inventors: Hideaki Abe - Web page: https://patentgrep.com/patent/US12183865B2 ## CPC - H10H 20/857: Interconnections, e.g. lead-frames, bond wires or solder balls - H10H 20/8316: {Multi-layer electrodes comprising at least one discontinuous layer} - H10W 90/00: Package configurations - H10H 20/0364: {of interconnections} - H10H 20/831: characterised by their shape - H10H 20/84: Coatings, e.g. passivation layers or antireflective coatings - H10H: INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS - H10W: GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10 ## Abstract An LED module includes a first protrusion and a second protrusion adjacent to the first protrusion arranged on an insulating surface, a first electrode arranged on the first protrusion, and a second electrode arranged on the second protrusion, and an LED chip arranged on upper sides of the first protrusion and the second protrusion. The LED chip is connected to the first electrode and the second electrode via conductive members, and the first protrusion and the second protrusion are insulative and have a height of 1 μm to 50 μm. ## Claims ### Claim 1 An LED module, comprising: a first protrusion and a second protrusion adjacent to the first protrusion arranged on an insulating surface; a first electrode arranged on the first protrusion, and a second electrode arranged on the second protrusion; and an LED chip arranged on an upper sides of the first protrusion and the second protrusion, wherein the LED chip is connected to the first electrode and the second electrode via conductive members, the first protrusion and the second protrusion are insulative and have a height of 1 μm to 50 μm, the first protrusion has a first through hole passing through a bottom surface from an upper surface, and the second protrusion has a second through hole passing through a bottom surface from an upper surface, and the first electrode is arranged to overlap the first through hole, and the second electrode is arranged to overlap the second through hole. ### Claim 2 (depends on 1) The LED module according to claim 1, wherein the LED chip includes a first pad electrode and a second pad electrode adjacent to the first pad electrode, and the first pad electrode is connected to the first electrode and the second pad electrode is connected to the second electrode via the conductive members, respectively. ### Claim 3 (depends on 1) The LED module according to claim 1, wherein the first electrode is arranged along an upper surface and a side surface of the first protrusion, and the second electrode is arranged along an upper surface and a side surface of the second protrusion. ### Claim 4 (depends on 1) The LED module according to claim 1, further comprising a third protrusion arranged between the first protrusion and the second protrusion. ### Claim 5 (depends on 1) The LED module according to claim 1, wherein the LED chip is a micro LED chip. ### Claim 6 A display device, comprising: a first protrusion and a second protrusion adjacent to the first protrusion arranged in a region where pixels of an insulating surface are arranged; a first electrode arranged on the first protrusion, and a second electrode arranged on the second protrusion; an LED chip arranged on upper sides of the first protrusion and the second protrusion; a first wiring covering at least a part of the first protrusion, and a second wiring covering at least a part of the region of the second protrusion, wherein the LED chip is connected to the first electrode and the second electrode via conductive members, and the first protrusion and the second protrusion are insulative and have a height of 1 μm to 50 μm, the first protrusion has a first through hole exposing the first wiring, and the second protrusion has a second through hole exposing the second wiring, and the first electrode is connected to the first wiring via the first through hole, and the second electrode is connected to the second wiring via the second through hole. ### Claim 7 (depends on 6) The display device according to claim 6, wherein the LED chip includes a first pad electrode and a second pad electrode adjacent to the first pad electrode, and the first pad electrode is connected to the first electrode and the second pad electrode is connected to the second electrode via the conductive members, respectively. ### Claim 8 (depends on 6) The display device according to claim 6, wherein the first wiring is a scanning signal line, and the second wiring is a data signal line. ### Claim 9 (depends on 6) The display device according to claim 6, further comprising a third protrusion arranged between the first protrusion and the second protrusion. ### Claim 10 (depends on 6) The display device according to claim 6, wherein the LED chip is a micro LED chip. ### Claim 11 An LED module, comprising: a first protrusion and a second protrusion adjacent to the first protrusion arranged on an insulating surface; a first electrode arranged on the first protrusion, and a second electrode arranged on the second protrusion; and an LED chip arranged on an upper sides of the first protrusion and the second protrusion; a first wiring covering at least a part of the first protrusion, and a second wiring covering at least a part of a region of the second protrusion, wherein the LED chip is connected to the first electrode and the second electrode via conductive members, and the first protrusion and the second protrusion are insulative and have a height of 1 μm to 50 μm, the first protrusion has a first through hole exposing the first wiring, and the second protrusion has a second through hole exposing the second wiring, and the first electrode is connected to the first wiring via the first through hole, and the second electrode is connected to the second wiring via the second through hole. ### Claim 12 (depends on 11) The LED module according to claim 11, wherein the side surfaces of the first protrusion and the second protrusion are inclined surfaces. ### Claim 13 (depends on 11) The LED module according to claim 11, further comprising a third protrusion arranged between the first protrusion and the second protrusion. ### Claim 14 (depends on 11) The LED module according to claim 11, wherein the LED chip is a micro LED chip. ### Claim 15 A display device, comprising: a first protrusion and a second protrusion adjacent to the first protrusion arranged in a region where pixels of an insulating surface are arranged; a first electrode arranged on the first protrusion, and a second electrode arranged on the second protrusion; and an LED chip arranged on upper sides of the first protrusion and the second protrusion, wherein the LED chip is connected to the first electrode and the second electrode via conductive members, and the first protrusion and the second protrusion are insulative and have a height of 1 μm to 50 μm, and the first electrode is arranged along an upper surface and a side surface of the first protrusion, and the second electrode is arranged along an upper surface and a side surface of the second protrusion. ### Claim 16 (depends on 15) The display device according to claim 15, wherein the side surfaces of the first protrusion and the second protrusion are inclined surfaces. ### Claim 17 (depends on 15) The display device according to claim 15, further comprising a first wiring not overlapping the first protrusion, and a second wiring not overlapping the second protrusion, wherein the first electrode is connected to the first wiring outside the first protrusion, and the second electrode is connected to the second wiring outside the second protrusion. ### Claim 18 (depends on 15) The display device according to claim 15, further comprising a third protrusion arranged between the first protrusion and the second protrusion. ### Claim 19 (depends on 15) The display device according to claim 15, wherein the LED chip is a micro LED chip.