# US 12,119,369 B2 · Display device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,119,369 B2 - Document ID: US12119369B2 - Status: Granted - Kind: B2 - Application number: 17/469,238 - Filed: 2021-09-08 - Published: 2022-08-11 - Granted: 2024-10-15 - Earliest claimed: 2021-02-09 - Assignees: Samsung Display Co., Ltd. - Applicants: Samsung Display Co., LTD. - Inventors: Seul Ki Kim; Seon Beom Ji; Tae Ha Jin; Dong Hwan Kim - Web page: https://patentgrep.com/patent/US12119369B2 ## CPC - H10H 29/142: {Two-dimensional arrangements, e.g. asymmetric LED layout} - H10H 20/821: of the light-emitting regions, e.g. non-planar junctions - H10H 20/831: characterised by their shape - H10H 20/84: Coatings, e.g. passivation layers or antireflective coatings - H10H 20/857: Interconnections, e.g. lead-frames, bond wires or solder balls - H10W 90/00: Package configurations - 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 A display device includes a light emitting area, a non-light emitting area surrounding the light emitting area, and a separation area spaced apart from the light emitting area, the non-light emitting area disposed between the light emitting area and the separation area; a bank disposed in the non-light emitting area; a first alignment electrode and a second alignment electrode that extend from the light emitting area through the non-light emitting area to the separation area; light emitting elements electrically connected to at least one of the first alignment electrode and the second alignment electrode; a first contact electrode disposed in the separation area and electrically connected to the first alignment electrode; and a second contact electrode disposed in the separation area and electrically connected to the second alignment electrode. ## Claims ### Claim 1 A display device comprising: a light emitting area, a non-light emitting area surrounding the light emitting area, and a separation area spaced apart from the light emitting area, the non-light emitting area disposed between the light emitting area and the separation area; a bank disposed in the non-light emitting area; a first alignment electrode and a second alignment electrode that extend from the light emitting area through the non-light emitting area to the separation area; light emitting elements electrically connected to at least one of the first alignment electrode and the second alignment electrode; a first contact electrode disposed in the separation area and electrically connected to the first alignment electrode, the first contact electrode disposed over the first alignment electrode; and a second contact electrode disposed in the separation area and electrically connected to the second alignment electrode, the second contact electrode disposed over the second alignment electrode. ### Claim 2 (depends on 1) The display device of claim 1, wherein the first contact electrode and the second contact electrode are disposed on a same layer. ### Claim 3 (depends on 1) The display device of claim 1, further comprising: a first electrode that electrically connects the first alignment electrode to the light emitting elements; and a second electrode that electrically connects the second alignment electrode to the light emitting elements. ### Claim 4 (depends on 3) The display device of claim 3, wherein the first electrode and the second electrode are disposed on a same layer. ### Claim 5 (depends on 3) The display device of claim 3, wherein the first electrode and the first contact electrode are disposed on different layers. ### Claim 6 (depends on 3) The display device of claim 3, wherein the first electrode and the second electrode extend from the light emitting area through the non-light emitting area to the separation area. ### Claim 7 (depends on 3) The display device of claim 3, further comprising: an insulation layer disposed between the first alignment electrode and the first electrode. ### Claim 8 (depends on 7) The display device of claim 7, wherein the first contact electrode is electrically connected to the first alignment electrode through a contact hole penetrating the insulation layer. ### Claim 9 (depends on 3) The display device of claim 3, wherein the first electrode and the first contact electrode are disposed on a same layer. ### Claim 10 (depends on 3) The display device of claim 3, further comprising: a third alignment electrode and a fourth alignment electrode that extend from the light emitting area through the non-light emitting area to the separation area, wherein the light emitting elements are electrically connected to at least one of the third alignment electrode and the fourth alignment electrode. ### Claim 11 (depends on 10) The display device of claim 10, further comprising: a third electrode that electrically connects the third alignment electrode to the light emitting elements; and a fourth electrode that electrically connects the fourth alignment electrode to the light emitting elements. ### Claim 12 (depends on 11) The display device of claim 11, further comprising: an insulation layer disposed between the first electrode and the third electrode. ### Claim 13 (depends on 12) The display device of claim 12, wherein the first contact electrode is electrically connected to the first alignment electrode through a contact hole penetrating the insulation layer. ### Claim 14 (depends on 12) The display device of claim 12, wherein the insulation layer includes an opening exposing the first contact electrode. ### Claim 15 (depends on 11) The display device of claim 11, wherein the third electrode and the fourth electrode are disposed on a same layer. ### Claim 16 (depends on 11) The display device of claim 11, wherein the third electrode and the first contact electrode are disposed on a same layer. ### Claim 17 (depends on 11) The display device of claim 11, further comprising: a third contact electrode disposed in the non-light emitting area and electrically connected to the third alignment electrode; and a fourth contact electrode disposed in the non-light emitting area and electrically connected to the fourth alignment electrode. ### Claim 18 (depends on 17) The display device of claim 17, wherein the third contact electrode and the fourth contact electrode are disposed on a same layer. ### Claim 19 (depends on 17) The display device of claim 17, wherein the third contact electrode and the first contact electrode are disposed on a same layer. ### Claim 20 (depends on 17) The display device of claim 17, wherein the third contact electrode and the third electrode are disposed on a same layer.