# US 12,604,620 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 12,604,620 B2 - Document ID: US12604620B2 - Status: Granted - Kind: B2 - Application number: 17/868,182 - Filed: 2022-07-19 - Published: 2023-06-15 - Granted: 2026-04-14 - Earliest claimed: 2021-12-09 - Assignees: Samsung Display Co., Ltd. - Applicants: Samsung Display Co., LTD. - Inventors: Yong Hee Lee; Jin Seon Kwak; Ji Hye Lee; Ki Hyun Pyo - Web page: https://patentgrep.com/patent/US12604620B2 ## CPC - H10K 59/131: Interconnections, e.g. wiring lines or terminals - H10W 90/00: Package configurations - H10H 29/49: Interconnections, e.g. wiring lines or terminals (connection of the pixel electrodes to the driving transistors H10H29/39) - H10K 59/122: Pixel-defining structures or layers, e.g. banks - H10H 20/857: Interconnections, e.g. lead-frames, bond wires or solder balls - H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES - H10W: GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10 - H10H: INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS ## Abstract A display device includes a display area, a non-display area, a pad portion disposed in the non-display area and including first and second power pad portions, first and second voltage common lines that are disposed between the pad portion and the display area and spaced apart from each other, a first power pad disposed in the first power pad portion and electrically connected to the first voltage common line, a second power pad disposed in the second power pad portion and electrically connected to the second voltage common line, and first auxiliary lines electrically connected to the first voltage common line and second auxiliary lines electrically connected to the second voltage common line, the first and second auxiliary lines extending from the pad portion. The first auxiliary lines and the second auxiliary lines are spaced apart from the first power pad portion and the second power pad portion. ## Claims ### Claim 1 A display device comprising: a display area; a non-display area; a pad portion disposed in the non-display area and including a first power pad portion, a second power pad portion, a data pad portion, and a scan pad portion; a first voltage common line and a second voltage common line that are disposed between the pad portion and the display area and spaced apart from each other; a first power pad disposed in the first power pad portion and electrically connected to the first voltage common line; a second power pad disposed in the second power pad portion and electrically connected to the second voltage common line; first auxiliary lines electrically connected to the first voltage common line and extending from the pad portion; and second auxiliary lines electrically connected to the second voltage common line and extending from the pad portion, wherein the first auxiliary lines and the second auxiliary lines are spaced apart from the first power pad portion and the second power pad portion, wherein the first auxiliary lines overlap at least one of the scan pad portion or the data pad portion, and wherein the second auxiliary lines overlap at least one of the scan pad portion or the data pad portion. ### Claim 2 (depends on 1) The display device of claim 1, further comprising: data routing lines extending to the pad portion; and scan routing lines extending to the pad portion, wherein the data routing lines are electrically connected to the data pad portion; and the scan routing lines are electrically connected to the scan pad portion. ### Claim 3 (depends on 2) The display device of claim 2, wherein the data pad portion faces the first voltage common line and the second voltage common line, the scan pad portion is disposed between the first voltage common line and the data pad portion and between the second voltage common line and the data pad portion, the first power pad portion is disposed on a side of the scan pad portion, and the second power pad portion is disposed on another side of the scan pad portion. ### Claim 4 (depends on 2) The display device of claim 2, further comprising: first bridge layers disposed between the scan pad portion and the first voltage common line; and second bridge layers disposed between the scan pad portion and the second voltage common line, wherein the first auxiliary lines are electrically connected to the first voltage common line through the first bridge layer, and the second auxiliary lines are electrically connected to the second voltage common line through the second bridge layer. ### Claim 5 (depends on 4) The display device of claim 4, further comprising: first auxiliary pads and second auxiliary pads that are disposed in the data pad portion, wherein the first auxiliary lines are electrically connected to the first auxiliary pads, and the second auxiliary lines are electrically connected to the second auxiliary pads. ### Claim 6 (depends on 5) The display device of claim 5, wherein the first voltage common line, the first auxiliary lines, and the first bridge layers are disposed on different layers, and the second voltage common line, the second auxiliary lines, and the second bridge layers are disposed on different layers. ### Claim 7 (depends on 6) The display device of claim 6, wherein the first auxiliary pads and the first bridge layers are disposed on a same layer, and the second auxiliary pads and the second bridge layers are disposed on a same layer. ### Claim 8 (depends on 5) The display device of claim 5, further comprising: scan pads disposed in the scan pad portion and to which the scan routing lines are electrically connected; and data pads disposed in the data pad portion and to which the data routing lines are electrically connected, wherein the first auxiliary pads and the second auxiliary pads are disposed between the data pads. ### Claim 9 (depends on 4) The display device of claim 4, further comprising: first auxiliary pads and second auxiliary pads that are disposed in the scan pad portion, wherein the first auxiliary lines are electrically connected to the first auxiliary pads, and the second auxiliary lines are electrically connected to the second auxiliary pads. ### Claim 10 (depends on 9) The display device of claim 9, further comprising: scan pads disposed in the scan pad portion and to which the scan routing lines are electrically connected; and data pads disposed in the data pad portion and to which the data routing lines are electrically connected, wherein the first auxiliary pads and the second auxiliary pads are disposed between the data pads. ### Claim 11 (depends on 2) The display device of claim 2, further comprising: a scan dummy line disposed between the first auxiliary lines; and a scan dummy pad to which the scan dummy line is connected, wherein the scan dummy line is floating state. ### Claim 12 An electronic device comprising: a display area; a non-display area; a pad portion disposed in the non-display area and including a first power pad portion, a second power pad portion, a data pad portion, and a scan pad portion; a first voltage common line and a second voltage common line that are disposed between the pad portion and the display area and spaced apart from each other; a first power pad disposed in the first power pad portion and electrically connected to the first voltage common line; a second power pad disposed in the second power pad portion and electrically connected to the second voltage common line; first auxiliary lines electrically connected to the first voltage common line and extending from the pad portion; and second auxiliary lines electrically connected to the second voltage common line and extending from the pad portion, wherein the first auxiliary lines and the second auxiliary lines are spaced apart from the first power pad portion and the second power pad portion, wherein the first auxiliary lines overlap at least one of the scan pad portion or the data pad portion, and wherein the second auxiliary lines overlap at least one of the scan pad portion or the data pad portion.