# US 12,218,146 B2 · Array substrate, display panel and display device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,218,146 B2 - Document ID: US12218146B2 - Status: Granted - Kind: B2 - Application number: 17/280,446 - Filed: 2020-07-08 - Published: 2021-12-09 - Granted: 2025-02-04 - Earliest claimed: 2019-07-18 - Assignees: Chengdu Boe Optoelectronics Technology Co., Ltd.; Boe Technology Group Co., Ltd. - Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd.; Boe Technology Group Co., Ltd. - Inventors: Tiaomei Zhang; Yufei Huo - Web page: https://patentgrep.com/patent/US12218146B2 ## CPC - G09G 3/20: for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix {no fixed position being assigned to or needed to be assigned to the individual characters or partial characters} - H10D 86/60: wherein the TFTs are in active matrices - G09G 3/006: {Electronic inspection or testing of displays and display drivers, e.g. of LED or LCD displays (testing individual LED's G01R31/2635; testing lamps G01R31/44; testing of optical features of LCD displays G02F1/1309)} - H10D 86/441: {Interconnections, e.g. scanning lines} - H10D 86/443: {adapted for preventing breakage, peeling or short circuiting} - H10W 42/00: Arrangements for protection of devices (arrangements for thermal protection H10W40/00) - H10W 42/121: {protecting against mechanical damage (H10W76/00, H10W74/00 take precedence)} - G09G 2300/043: Compensation electrodes or other additional electrodes in matrix displays related to distortions or compensation signals, e.g. for modifying TFT threshold voltage in column driver - G09G 2330/12: Test circuits or failure detection circuits included in a display system, as permanent part thereof - H10D 86/411: {characterised by materials, geometry or structure of the substrates} - H10P 74/27: {Structural arrangements therefor} - 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 - H10P: GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10 ## Abstract An array substrate includes a display area, and the array substrate includes an anti-cracking dam, a metal lead and a first data line, wherein the anti-cracking dam is arranged on a side of the array substrate and located in the display area, and the anti-cracking dam is arranged to surround a through-hole extending through the array substrate; the metal lead is arranged to at least partially surround the anti-cracking dam; the first data line includes a first section and a second section separated from each other by the through-hole; the first section of the first data line is connected to the first end of the metal lead, and the second section of the first data line is connected to the another end of the metal lead. ## Claims ### Claim 1 An array substrate, the array substrate comprising a display area, wherein the array substrate comprises: an anti-cracking dam arranged on a side of the array substrate and located in the display area, wherein the anti-cracking dam is arranged to surround a through-hole extending through the array substrate; a metal lead arranged to at least partially surround the anti-cracking dam; a first data line, comprising a first section and a second section separated from each other by the through-hole, wherein the first section of the first data line is connected to a first end of the metal lead, and the second section of the first data line is connected to a second end of the metal lead. ### Claim 2 (depends on 1) The array substrate of claim 1, wherein the array substrate further comprises: an isolation wall arranged to at least partially surround the anti-cracking dam, wherein the isolation wall is configured to block moisture and oxygen from entering a portion of the display area on an outer side of the isolation wall away from the through-hole through the through-hole, and the metal lead is arranged between the isolation wall and the anti-cracking dam. ### Claim 3 (depends on 2) The array substrate of claim 2, wherein the metal lead is arranged such that a spacing between the metal lead and the anti-cracking dam is smaller than a spacing between the metal lead and the isolation wall. ### Claim 4 (depends on 3) The array substrate of claim 3, wherein the isolation wall is provided with a first notch and a second notch, the first section of the first data line is connected to the metal lead through the first notch, and the second section of the first data line is connected to the metal lead through the second notch. ### Claim 5 (depends on 2) The array substrate of claim 2, wherein the isolation wall is provided with a first notch and a second notch, the first section of the first data line is connected to the metal lead through the first notch, and the second section of the first data line is connected to the metal lead through the second notch. ### Claim 6 (depends on 2) The array substrate of claim 2, wherein the first data line crosses the isolation wall at a layer different from a layer where the isolation wall is located, by means of bridge connection or overlapped connection. ### Claim 7 (depends on 2) The array substrate of claim 2, wherein the first data line extends through the isolation wall at a same layer as the isolation wall so that the isolation wall is kept continuous. ### Claim 8 (depends on 7) The array substrate of claim 7, wherein the isolation wall is formed with a lateral hole for the first data line to extend through, and an outer surface of the first data line closely abuts an inner wall of the lateral hole to establish a sealed connection between the first data line and the isolation wall, and a surface of the isolation wall except for the lateral hole is continuous. ### Claim 9 (depends on 2) The array substrate of claim 2, wherein the array substrate further comprises a second data line, and the second data line comprises a first section, a second section, and a third section that are sequentially connected; wherein the first section of the second data line is arranged in parallel with the first section of the first data line, and the third section of the second data line is arranged in parallel with the second section of the first data line; the second section of the second data line is curvedly arranged on a side of the isolation wall away from the through-hole. ### Claim 10 (depends on 9) The array substrate of claim 9, wherein the second section of the second data line is separated from the isolation wall from the outside at a uniform spacing. ### Claim 11 (depends on 9) The array substrate of claim 9, wherein the through-hole is a circular hole, the isolation wall is correspondingly in the form of a ring or a partial ring, and the second section of the second data line is in the form of a circular arc that is concentric with the through-hole. ### Claim 12 (depends on 11) The array substrate of claim 11, wherein the isolation wall is in the form of a circular ring or a partial circular ring arranged concentrically with the through-hole, and the second section of the second data line is arranged concentrically with both the through-hole and the isolation wall. ### Claim 13 (depends on 1) The array substrate of claim 1, wherein the metal lead comprises a first metal lead and a second metal lead that are insulated from each other; and the number of the first data line is two; and the first section and the second section of one of the first data lines are respectively connected to two ends of the first metal lead; the first section and the second section of the other one of the first data lines are respectively connected to two ends of the second metal lead. ### Claim 14 (depends on 13) The array substrate of claim 13, wherein the first metal lead and the second metal lead are respectively located on opposite sides of the through-hole, the first metal lead and the second metal lead are both arc-shaped leads that are arranged to be bent in directions away from the through-hole, respectively. ### Claim 15 (depends on 14) The array substrate of claim 14, wherein the first metal lead and the second metal lead are arc-shaped leads that are arranged oppositely in a diameter direction and protrude outward. ### Claim 16 (depends on 1) The array substrate of claim 1, wherein the metal lead surrounds the anti-cracking dam for at least one loop. ### Claim 17 (depends on 1) The array substrate of claim 1, wherein the array substrate further comprises: a power line; and a detection transistor, wherein a first terminal of the detection transistor is electrically connected to the power line, a control terminal and a second terminal of the detection transistor are connected to the first section of the first data line, and the second section of the first data line is connected to a source driver; the detection transistor is configured to be turned off under the control of a data signal loaded onto the control terminal of the detection transistor, and be turned on after the metal lead is broken to load a voltage on the power line onto the first section of the first data line. ### Claim 18 (depends on 1) A display panel, wherein the display panel comprises the array substrate of claim 1. ### Claim 19 (depends on 18) A display device, wherein the display device comprises the display panel of claim 18.