# US 12,216,868 B2 · Input sensing unit and display 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 12,216,868 B2 - Document ID: US12216868B2 - Status: Granted - Kind: B2 - Application number: 18/427,604 - Filed: 2024-01-30 - Published: 2025-01-02 - Granted: 2025-02-04 - Earliest claimed: 2023-06-30 - Assignees: Samsung Display Co., Ltd. - Applicants: Samsung Display Co., Ltd. - Inventors: Ma Eum Cho - Web page: https://patentgrep.com/patent/US12216868B2 ## CPC - G06F 3/0442: {using active external devices, e.g. active pens, for transmitting changes in electrical potential to be received by the digitiser} - G06F 3/04164: {Connections between sensors and controllers, e.g. routing lines between electrodes and connection pads} - G06F 3/0443: {using a single layer of sensing electrodes} - G06F 3/0446: {using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes} - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) ## Abstract An input sensing unit includes a first sensing electrode, a second sensing electrode crossing the first sensing electrode, a first pen-sensing electrode adjacent to the first sensing electrode and crossing the second sensing electrode, and a second pen-sensing electrode adjacent to the second sensing electrode and crossing the first sensing electrode. A first sensing line is electrically connected to the first sensing electrode. A second sensing line is electrically connected to the second sensing electrode via the active area. A first pen-sensing line is electrically connected to the first pen-sensing electrode. A second pen-sensing line is electrically connected to the second pen-sensing electrode via the active area and disposed between the first sensing electrode and the second sensing line in the active area. ## Claims ### Claim 1 An input sensing unit, comprising: a base layer including an active area and a peripheral area adjacent to the active area; an insulating layer disposed on the base layer; sensing electrodes disposed in the active area of the base layer; and lines disposed on the base layer, the lines being electrically connected to the sensing electrodes, wherein the sensing electrodes include: a first sensing electrode; a second sensing electrode crossing the first sensing electrode; a first pen-sensing electrode adjacent to the first sensing electrode and crossing the second sensing electrode; and a second pen-sensing electrode adjacent to the second sensing electrode and crossing the first sensing electrode, wherein the lines include: a first sensing line electrically connected to the first sensing electrode; a second sensing line electrically connected to the second sensing electrode via the active area; a first pen-sensing line electrically connected to the first pen-sensing electrode; and a second pen-sensing line electrically connected to the second pen-sensing electrode via the active area and disposed in the active area, between the first sensing electrode and the second sensing line. ### Claim 2 (depends on 1) The input sensing unit of claim 1, wherein a conductive pattern forming the second pen-sensing electrode and a conductive pattern forming the second pen-sensing line are disposed between a conductive pattern forming the first sensing electrode and a conductive pattern forming the second sensing line. ### Claim 3 (depends on 1) The input sensing unit of claim 1, wherein at least one of conductive patterns forming the second pen-sensing electrode are electrically connected to ground. ### Claim 4 (depends on 3) The input sensing unit of claim 3, wherein some of the conductive patterns forming the second pen-sensing electrode adjacent to the first sensing electrode are electrically connected to ground. ### Claim 5 (depends on 1) The input sensing unit of claim 1, wherein the first sensing electrode includes a first portion extending in a first direction, a second portion spaced apart from the first portion of the first sensing electrode and extending in the first direction, and a third portion electrically connecting the first portion of the first sensing electrode to the second portion of the first sensing electrode. ### Claim 6 (depends on 5) The input sensing unit of claim 5, wherein the first pen-sensing electrode is disposed between the first portion of the first sensing electrode and the second portion of the first sensing electrode. ### Claim 7 (depends on 1) The input sensing unit of claim 1, wherein the sensing electrodes include first pen-sensing electrodes that include the first pen-sensing electrode, and wherein the first pen-sensing electrodes are electrically connected to each other. ### Claim 8 (depends on 7) The input sensing unit of claim 7, wherein one end of each of the first pen-sensing electrodes is electrically connected to ground. ### Claim 9 (depends on 1) The input sensing unit of claim 1, wherein the second sensing electrode extends in a second direction crossing a first direction, and wherein the second sensing line is electrically connected to the second sensing electrode in the active area and extends in the first direction in the active area. ### Claim 10 (depends on 1) The input sensing unit of claim 1, wherein the second pen-sensing electrode at least partially surrounds the second sensing electrode. ### Claim 11 (depends on 1) The input sensing unit of claim 1, wherein the second pen-sensing electrode includes first portions extending in a second direction, crossing a first direction, and second portions extending in the first direction and electrically connecting the first portions at both ends of the first portions. ### Claim 12 (depends on 11) The input sensing unit of claim 11, wherein the lines further include second pen-sensing lines including the second pen-sensing line, and wherein at least two of the second pen-sensing lines are electrically connected to one of the first portions of the second pen-sensing electrode. ### Claim 13 (depends on 12) The input sensing unit of claim 12, wherein the second sensing line is disposed between at least two of the second pen-sensing lines in the active area. ### Claim 14 A display device, comprising: a display panel; and an input sensing unit disposed on the display panel and including an active area and a peripheral area adjacent to the active area, wherein the input sensing unit includes: a base layer; an insulating layer disposed on the base layer; sensing electrodes disposed in the active area of the base layer; and lines disposed on the base layer and electrically connected to the sensing electrodes, wherein the sensing electrodes include: a first sensing electrode; a second sensing electrode crossing the first sensing electrode; a first pen-sensing electrode adjacent to the first sensing electrode and crossing the second sensing electrode; and a second pen-sensing electrode adjacent to the second sensing electrode and crossing the first sensing electrode, wherein the lines include: a first sensing line electrically connected to the first sensing electrode; a second sensing line electrically connected to the second sensing electrode via the active area; a first pen-sensing line electrically connected to the first pen-sensing electrode; and a second pen-sensing line electrically connected to the second pen-sensing electrode via the active area and disposed between the first sensing electrode and the second sensing line in the active area. ### Claim 15 (depends on 14) The display device of claim 14, wherein a conductive pattern forming the second pen-sensing electrode and a conductive pattern forming the second pen-sensing line are disposed between a conductive pattern forming the first sensing electrode and a conductive pattern forming the second sensing line. ### Claim 16 (depends on 14) The display device of claim 14, wherein at least one of conductive patterns forming the second pen-sensing electrode is electrically connected to ground. ### Claim 17 (depends on 16) The display device of claim 16, wherein some of the conductive patterns forming the second pen-sensing electrode adjacent to the first sensing electrode are electrically connected to ground. ### Claim 18 (depends on 14) The display device of claim 14, wherein the first sensing electrode includes a first portion extending in a first direction, a second portion spaced apart from the first portion of the first sensing electrode and extending in the first direction, and a third portion electrically connecting the first portion of the first sensing electrode to the second portion of the first sensing electrode, and wherein the first pen-sensing electrode is disposed between the first portion of the first sensing electrode and the second portion of the first sensing electrode. ### Claim 19 (depends on 14) The display device of claim 14, wherein the sensing electrodes include first pen-sensing electrodes including the first pen-sensing electrode, wherein the first pen-sensing electrodes are electrically connected to each other, and wherein one end of each of the first pen-sensing electrodes is electrically connected to ground. ### Claim 20 (depends on 14) The display device of claim 14, wherein the second pen-sensing electrode includes first portions extending in a second direction, crossing a first direction, and second portions extending in the first direction and electrically connecting the first portions at both ends of the first portions, wherein the lines further include second pen-sensing lines including the second pen-sensing line, wherein at least two of the second pen-sensing lines are connected to one of the first portions of the second pen-sensing electrode, and wherein the second sensing line is disposed between at least two of the second pen-sensing lines in the active area.