# US 2025/0169239 A1 · Display device and electronic device including the same > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2025/0169239 A1 - Document ID: US20250169239A1 - Status: Published application - Kind: A1 - Application number: 18/946,689 - Filed: 2024-11-13 - Published: 2025-05-22 - Earliest claimed: 2023-11-21 - Assignees: Samsung Display Co., Ltd. - Applicants: Samsung Display Co., LTD. - Inventors: HANUL LEE; PIL GYU KANG; HYUN-CHUL PARK; YOUNGHOON YOO; EUNA YU; JEONGHYUN LEE; SANGCHEON HAN - Web page: https://patentgrep.com/patent/US20250169239A1 ## CPC - H10H 20/831: characterised by their shape - H10K 59/123: Connection of the pixel electrodes to the thin film transistors [TFT] - H10K 59/1213: {the pixel elements being TFTs} - H10K 59/126: Shielding, e.g. light-blocking means over the TFTs - H10W 90/00: Package configurations - H10H 29/39: Connection of the pixel electrodes to the driving transistors - H10H: INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS - H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES - H10W: GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10 ## Abstract A display device includes an active layer above a substrate, including a conductive area, and defining at least one hole, a contact electrode electrically connected to the conductive area, and having a shape that surrounds at least a portion of the hole in a plan view, and a light-emitting diode above the contact electrode, and electrically connected to the contact electrode. ## Claims ### Claim 1 A display device comprising: an active layer above a substrate, comprising a conductive area, and defining at least one hole; a contact electrode electrically connected to the conductive area, and having a shape that surrounds at least a portion of the hole in a plan view; and a light-emitting diode above the contact electrode, and electrically connected to the contact electrode. ### Claim 2 (depends on 1) The display device of claim 1, wherein the contact electrode has a shape with one side open in plan view. ### Claim 3 (depends on 1) The display device of claim 1, wherein the contact electrode comprises: a body portion; a first protrusion protruding from the body portion in a first direction; and a second protrusion protruding from the body portion in the first direction, and spaced apart from the first protrusion in a second direction crossing the first direction. ### Claim 4 (depends on 3) The display device of claim 3, wherein a portion of the body portion, a portion of the first protrusion, and a portion of the second protrusion overlap the conductive area in plan view. ### Claim 5 (depends on 3) The display device of claim 3, wherein the contact electrode further comprises a third protrusion protruding from the first protrusion in the second direction. ### Claim 6 (depends on 5) The display device of claim 5, wherein at least a portion of the third protrusion overlaps the conductive area in plan view. ### Claim 7 (depends on 3) The display device of claim 3, wherein the contact electrode further comprises a fourth protrusion protruding from the second protrusion in a direction opposite to the second direction. ### Claim 8 (depends on 7) The display device of claim 7, wherein at least a portion of the fourth protrusion overlaps the conductive area in plan view. ### Claim 9 (depends on 3) The display device of claim 3, wherein a first length of the conductive area in the second direction is longer than a second length in which the first protrusion and the second protrusion are spaced apart along the second direction. ### Claim 10 (depends on 1) The display device of claim 1, wherein the conductive area is doped with an N-type impurity. ### Claim 11 (depends on 1) The display device of claim 1, wherein the active layer comprises a metal oxide semiconductor. ### Claim 12 (depends on 1) The display device of claim 1, wherein the hole has a rectangular shape in plan view. ### Claim 13 (depends on 1) The display device of claim 1, wherein the hole has a shape of a rectangle with one side protruding in plan view. ### Claim 14 (depends on 1) The display device of claim 1, further comprising a light-blocking portion above the substrate, and having a portion overlapping the hole in plan view. ### Claim 15 A display device comprising: a transistor comprising an active layer above a substrate, comprising a conductive area, and defining at least one hole, and a gate electrode above the active layer overlapping a portion of the active layer; a contact electrode at a same layer as the gate electrode, electrically connected to the conductive area, and having a shape that surrounds at least a portion of the hole in a plan view; and a light-emitting diode above the contact electrode, and electrically connected to the contact electrode. ### Claim 16 (depends on 15) The display device of claim 15, wherein the contact electrode has a shape with one side open in plan view. ### Claim 17 (depends on 15) The display device of claim 15, wherein the contact electrode comprises: a body portion; a first protrusion protruding from the body portion in a first direction; and a second protrusion protruding from the body portion in the first direction, and spaced apart from the first protrusion in a second direction crossing the first direction. ### Claim 18 (depends on 17) The display device of claim 17, wherein a portion of the body portion, a portion of the first protrusion, and a portion of the second protrusion overlap the conductive area in plan view. ### Claim 19 (depends on 17) The display device of claim 17, wherein the contact electrode further comprises a third protrusion protruding from the first protrusion in the second direction. ### Claim 20 (depends on 17) The display device of claim 17, wherein the contact electrode further comprises a fourth protrusion protruding in a direction opposite to the second direction from the second protrusion. ### Claim 21 An electronic device comprising: a housing; and a display device stored in the housing and that displays images, wherein the display device includes: an active layer above a substrate, comprising a conductive area, and defining at least one hole; a contact electrode electrically connected to the conductive area, and having a shape that surrounds at least a portion of the hole in a plan view; and a light-emitting diode above the contact electrode, and electrically connected to the contact electrode.