# US 2022/0036775 A1 · Display device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2022/0036775 A1 - Document ID: US20220036775A1 - Status: Published application - Kind: A1 - Application number: 17/332,939 - Filed: 2021-05-27 - Published: 2022-02-03 - Earliest claimed: 2020-07-29 - Assignees: Samsung Display Co., Ltd. - Applicants: Samsung Display Co., LTD. - Inventors: Jae Been LEE; Yi Joon AHN; Eun Kyung YEON - Web page: https://patentgrep.com/patent/US20220036775A1 ## CPC - G09F 9/3026: {Video wall, i.e. stackable semiconductor matrix display modules (video wall control systems G06F3/1446, G09G2300/026)} - H10K 59/18: Tiled displays - G09F 9/33: being semiconductor devices, e.g. diodes - H10H 20/8312: {extending at least partially through the bodies} - H10H 29/142: {Two-dimensional arrangements, e.g. asymmetric LED layout} - H10K 59/131: Interconnections, e.g. wiring lines or terminals - H10W 90/00: Package configurations - G09F: DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS - H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES - 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 first display panel including a first substrate, and a second display panel adjacent to the first display panel in a first direction and including a second substrate. One side surface of each of the first and second substrates adjacent to a first boundary between the first display panel and the second display panel includes an uneven pattern, the uneven pattern of the first substrate includes a plurality of first convex portions and a plurality of first concave portions between the first convex portions, the uneven pattern of the second substrate includes a plurality of second convex portions and a plurality of second concave portions between the second convex portions, each of the first convex portions includes at least one first hole passing through the first substrate, and each of the second convex portions includes at least one second hole passing through the second substrate. ## Claims ### Claim 1 A display device comprising: a first display panel comprising a first substrate and at least one first pixel on one surface of the first substrate; and a second display panel adjacent to the first display panel in a first direction and comprising a second substrate and at least one second pixel on one surface of the second substrate, wherein: one side surface of each of the first and second substrates adjacent to a first boundary between the first display panel and the second display panel comprises an uneven pattern; the uneven pattern of the first substrate comprises a plurality of first convex portions and a plurality of first concave portions between the first convex portions, the uneven pattern of the second substrate comprises a plurality of second convex portions and a plurality of second concave portions between the second convex portions; and each of the first convex portions comprises at least one first hole passing through the first substrate, and each of the second convex portions comprises at least one second hole passing through the second substrate. ### Claim 2 (depends on 1) The display device according to claim 1, wherein the first hole and the second hole are alternately arranged with each other along a second direction different from the first direction in a plan view. ### Claim 3 (depends on 2) The display device according to claim 2, wherein each of the first convex portions is convex toward the second pixel, and each of the first concave portions is concave toward the first pixel, in the plan view, and wherein each of the second convex portions is convex toward the first pixel, and each of the second concave portions is concave toward the second pixel, in the plan view. ### Claim 4 (depends on 3) The display device according to claim 3, wherein the first convex portions and the second convex portions are alternately arranged with each other along the second direction, and wherein the first concave portions and the second concave portions are alternately arranged with each other along the second direction. ### Claim 5 (depends on 4) The display device according to claim 4, wherein each of the first convex portions and a corresponding one of the second concave portions face each other in the first direction, and wherein each of the second convex portions and a corresponding one of the first concave portions face each other in the first direction. ### Claim 6 (depends on 5) The display device according to claim 5, wherein each of the first concave portions has a shape complementary to a corresponding one of the second convex portions, and wherein each of the second concave portions has a shape complementary to a corresponding one of the first convex portions. ### Claim 7 (depends on 6) The display device according to claim 6, wherein each of the first convex portions and each of the second convex portions comprises a non-square boundary. ### Claim 8 (depends on 6) The display device according to claim 6, wherein each of the first convex portions and each of the second convex portions has a polygonal shape or a rounded curved shape. ### Claim 9 (depends on 3) The display device according to claim 3, wherein the first display panel further comprises: at least one first line connector on the one surface of the first substrate and electrically coupled to the first pixel; and a first connection electrode inside the first hole and electrically coupled to the first line connector, and wherein the second display panel further comprises: at least one second line connector on the one surface of the second substrate and electrically coupled to the second pixel; and a second connection electrode inside the second hole and electrically coupled to the second line connector. ### Claim 10 (depends on 9) The display device according to claim 9, wherein the first line connector and the first connection electrode are integrally provided, and wherein the second line connector and the second connection electrode are integrally provided. ### Claim 11 (depends on 9) The display device according to claim 9, wherein the first display panel further comprises: a driving circuit on another surface of the first substrate facing oppositely away from the one surface of the first substrate; and a driving connector on the other surface of the first substrate and electrically coupling the driving circuit and the first connection electrode. ### Claim 12 (depends on 11) The display device according to claim 11, wherein the driving connector and the first connection electrode are integrally provided. ### Claim 13 (depends on 11) The display device according to claim 11, wherein the first line connector, the first connection electrode, and the driving connector are integrally provided. ### Claim 14 (depends on 11) The display device according to claim 11, wherein the first pixel comprises a first sub pixel, a second sub pixel, and a third sub pixel, and wherein the first line connector comprises: a (1-1)-th line connector electrically coupled to the first sub pixel; a (1-2)-th line connector electrically coupled to the second sub pixel; and a (1-3)-th line connector electrically coupled to the third sub pixel. ### Claim 15 (depends on 14) The display device according to claim 14, wherein each of the (1-1)-th to (1-3)-th line connectors is electrically coupled to the first connection electrode. ### Claim 16 (depends on 1) The display device according to claim 1, wherein the number of the first holes and the number of the first pixels are the same. ### Claim 17 (depends on 1) The display device according to claim 1, further comprising: a third display panel adjacent to the first display panel in a second direction different from the first direction, and comprising a third substrate and at least one third pixel on one surface of the third substrate, wherein one side surface of the third substrate adjacent to a second boundary between the first display panel and the third display panel comprises an uneven pattern, wherein the uneven pattern of the third substrate comprises a plurality of third convex portions and a plurality of third concave portions between the third convex portions, and wherein each of the third convex portions comprises at least one third hole passing through the third substrate. ### Claim 18 (depends on 1) The display device according to claim 1, further comprising: a connection portion at the first boundary between the first display panel and the second display panel. ### Claim 19 (depends on 18) The display device according to claim 18, wherein the connection portion comprises a transparent adhesive material.