# US 11,908,398 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 11,908,398 B2 - Document ID: US11908398B2 - Status: Granted - Kind: B2 - Application number: 17/644,997 - Filed: 2021-12-17 - Published: 2022-04-14 - Granted: 2024-02-20 - Earliest claimed: 2018-07-04 - Assignees: Samsung Display Co., Ltd. - Applicants: Samsung Display Co., Ltd. - Inventors: Byoung Yong Kim - Web page: https://patentgrep.com/patent/US11908398B2 ## CPC - H10K 59/131: Interconnections, e.g. wiring lines or terminals - G09G 3/3208: organic, e.g. using organic light-emitting diodes [OLED] - H10D 86/411: {characterised by materials, geometry or structure of the substrates} - H10D 86/60: wherein the TFTs are in active matrices - H10K 71/621: {Providing a shape to conductive layers, e.g. patterning or selective deposition} - H10W 20/48: Insulating materials thereof - H10K 59/8722: {Peripheral sealing arrangements, e.g. adhesives, sealants} - H10K 77/00: Constructional details of devices covered by this subclass and not covered by groups H10K10/80, H10K30/80, H10K50/80 or H10K59/80 - H10K 77/111: {Flexible substrates} - H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES - G09G: ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION (arrangements for transferring data between digital computers and displays G06F3/14; static indicating arrangements comprising an association of a number of separate sources or light control cells G09F9/00; static indicating arrangements comprising integral associations of a number of light sources H01J, H01K, H10H, H05B33/12; scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission, details thereof H04N1/00) - H10D: INORGANIC ELECTRIC SEMICONDUCTOR DEVICES - H10W: GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10 ## Abstract A display device includes: a display area; a non-display area around the display area; a substrate; and a first terminal in the non-display area on the substrate, the first terminal including: a plurality of first conductive patterns spaced apart from each other, an insulating layer covering each of the plurality of first conductive patterns, and a second conductive pattern on the insulating layer, covering the plurality of first conductive patterns, and including concave and convex portions on a surface thereof. ## Claims ### Claim 1 A display device comprising: a display area; a non-display area around the display area; a substrate; and a first pad in the non-display area on the substrate, wherein the first pad comprises: a plurality of first conductive patterns spaced apart from each other and arranged along a first direction, a second conductive pattern on the plurality of first conductive patterns, covering the plurality of first conductive patterns, the second conductive pattern comprising a plurality of concave portions and a plurality of convex portions on a surface thereof, an insulating layer disposed between the plurality of first conductive patterns and the second conductive pattern, and each of the plurality of concave portions of the surface of the second conductive pattern overlaps an area where each of the first conductive patterns is not disposed. ### Claim 2 (depends on 1) The display device of claim 1, wherein at least one of the plurality of first conductive patterns electrically contacts with the second conductive pattern. ### Claim 3 (depends on 1) The display device of claim 1, wherein each of the plurality of first conductive patterns extends in a second direction crossing the first direction. ### Claim 4 (depends on 3) The display device of claim 3, wherein a width of each of the first conductive patterns in the second direction is greater than a width of each of the first conductive pattern in the first direction. ### Claim 5 (depends on 4) The display device of claim 4, wherein a width of the second conductive pattern in the first direction is greater than a width of the second conductive pattern in the second direction. ### Claim 6 (depends on 3) The display device of claim 3, wherein a width of the second conductive pattern in the second direction is greater than a width of the first conductive pattern in the second direction. ### Claim 7 (depends on 6) The display device of claim 6, wherein a width of the second conductive pattern in the first direction is greater than a width of the first conductive pattern in the first direction. ### Claim 8 (depends on 1) The display device of claim 1, wherein the plurality of the first conductive patterns are spaced apart from each other with a same interval. ### Claim 9 A display device comprising: a display area; a non-display area around the display area; a substrate; and a first pad in the non-display area on the substrate, wherein the first pad comprises: a plurality of first conductive patterns, an insulating layer on the plurality of first conductive patterns, and a second conductive pattern on the insulating layer, wherein a portion of the insulating layer is between adjacent ones of the plurality of first conductive patterns, wherein the second conductive pattern comprises a plurality of concave portions and a plurality of convex portions on a surface thereof, wherein the second conductive pattern covers an entire area of the plurality of first conductive patterns, and wherein at least one of the plurality of first conductive patterns electrically contacts with the second conductive pattern. ### Claim 10 (depends on 9) The display device of claim 9, wherein each of the plurality of first conductive patterns has a first rectangular shape and the second conductive pattern has a second rectangular shape in a plan view, and wherein the first rectangular shape has a short edge extending in a first direction and a long edge extending in a second direction which is perpendicular to the first direction, and the second rectangular shape has a short edge extending in the second direction and a long edge extending in the first direction. ### Claim 11 (depends on 10) The display device of claim 10, wherein a width of the short edge of the second rectangular shape is greater than a width of the long edge of the first rectangular shape. ### Claim 12 A display device comprising: a display area; a non-display area around the display area; a substrate; and a first pad in the non-display area on the substrate, wherein the first pad comprises: a plurality of first conductive patterns, an insulating layer on the plurality of first conductive patterns, and a second conductive pattern on the insulating layer, wherein the second conductive pattern covers an entire area of the plurality of first conductive patterns, wherein at least one of the plurality of first conductive patterns electrically contacts with the second conductive pattern, wherein the second conductive pattern comprises a plurality of concave portions and a plurality of convex portions on a surface thereof, and wherein each of the plurality of concave portions of the surface of the second conductive pattern overlaps an area where each of the first conductive patterns is not disposed.