# US 2024/0201741 A1 · Circuit board 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 2024/0201741 A1 - Document ID: US20240201741A1 - Status: Published application - Kind: A1 - Application number: 18/354,739 - Filed: 2023-07-19 - Published: 2024-06-20 - Earliest claimed: 2022-12-15 - Assignees: Samsung Display Co., Ltd. - Applicants: Samsung Display Co., LTD. - Inventors: Jiwoo Son; SEUNGHWA HA - Web page: https://patentgrep.com/patent/US20240201741A1 ## CPC - G06F 1/1652: {the display being flexible, e.g. mimicking a sheet of paper, or rollable} - G06F 1/1641: {the display being formed by a plurality of foldable display components (G06F1/1647 takes precedence)} - H05K 1/028: {Bending or folding regions of flexible printed circuits (H05K1/0283 takes precedence)} - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS ## Abstract A circuit board includes a base substrate including a first portion extending in a first direction and including a plurality of holes, and a second portion extending from the first portion in a second direction intersecting the first direction. ## Claims ### Claim 1 A circuit board comprising: a base substrate including: a first portion extending in a first direction and including a plurality of holes; and a second portion extending from the first portion in a second direction intersecting the first direction. ### Claim 2 (depends on 1) The circuit board of claim 1, wherein the base substrate further includes a third portion extending from the first portion in an opposite direction of the second direction. ### Claim 3 (depends on 2) The circuit board of claim 2, wherein the first portion is foldable with respect to a folding axis extending in the first direction. ### Claim 4 (depends on 1) The circuit board of claim 1, further comprising: a plurality of lines disposed in the first portion on the base substrate, wherein each of the plurality of lines is spaced apart from the plurality of holes in a plan view. ### Claim 5 (depends on 4) The circuit board of claim 4, wherein a thickness of each of the plurality of lines is less than a minimum gap between adjacent ones of the pluralities of holes. ### Claim 6 (depends on 5) The circuit board of claim 5, wherein the plurality of lines contact each other at a plurality of intersection points. ### Claim 7 A display device comprising: a display module including: a first folding area extending in a first direction; a first non-folding area extending from the first folding area in a second direction intersecting the first direction; and a second non-folding area extending from the first folding area in an opposite direction of the second direction; and a circuit board electrically connected to the display module and including a base substrate including: a first portion extending in the first direction and including a plurality of holes; a second portion extending from the first portion in the second direction; and a third portion extending from the first portion in the opposite direction of the second direction. ### Claim 8 (depends on 7) The display device of claim 7, wherein the first portion of the base substrate overlaps the first folding area of the display module in a thickness direction of the base substrate. ### Claim 9 (depends on 7) The display device of claim 7, wherein the first portion of the base substrate is foldable with respect to a folding axis extending in the first direction. ### Claim 10 (depends on 7) The display device of claim 7, wherein the circuit board further includes a plurality of lines disposed in the first portion on the base substrate, and each of the plurality of lines is spaced apart from the plurality of holes in a plan view. ### Claim 11 (depends on 10) The display device of claim 10, wherein a thickness of each of the plurality of lines is less than a minimum gap between adjacent ones of the pluralities of holes. ### Claim 12 (depends on 11) The display device of claim 11, wherein the plurality of lines contact each other at a plurality of intersection points. ### Claim 13 (depends on 7) The display device of claim 7, wherein in a plan view, the display module has a short side parallel to the first direction and a long side intersecting the short side, and the circuit board is disposed adjacent to the long side of the display module. ### Claim 14 (depends on 7) The display device of claim 7, wherein, the display module further includes a second folding area spaced apart from the first folding area and disposed adjacent to the first non-folding area, the circuit board further includes a fourth portion spaced apart from the first portion and disposed adjacent to the third portion, and the second folding area of the display module and the fourth portion of the circuit board overlap with each other in a thickness direction of the base substrate. ### Claim 15 A display device comprising: a display module including a fixed portion and a sliding portion extending in a direction from the fixed portion and rollable as the display module slides; and a circuit board electrically connected to the display module and including a base substrate including: a first portion extending in a first direction and including a plurality of holes; and a second portion extending from the first portion in a second direction intersecting the first direction. ### Claim 16 (depends on 15) The display device of claim 15, wherein the first portion of the base substrate overlaps the sliding portion of the display module in a thickness direction of the base substrate. ### Claim 17 (depends on 15) The display device of claim 15, wherein the circuit board further includes a plurality of lines disposed in the first portion on the base substrate, and each of the plurality of lines is spaced apart from the plurality of holes in a plan view. ### Claim 18 (depends on 17) The display device of claim 17, wherein a thickness of each of the plurality of lines is less than a minimum gap between adjacent ones of the pluralities of holes. ### Claim 19 (depends on 18) The display device of claim 18, wherein the plurality of lines contact each other at a plurality of intersection points. ### Claim 20 (depends on 15) The display device of claim 15, wherein in a plan view, the display module has a short side parallel to the first direction and a long side intersecting the short side, and the circuit board is disposed adjacent to the long side of the display module.