# US 12,218,147 B2 · Connection structure for LCD clock circuit > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,218,147 B2 - Document ID: US12218147B2 - Status: Granted - Kind: B2 - Application number: 17/417,293 - Filed: 2020-12-29 - Published: 2022-10-13 - Granted: 2025-02-04 - Earliest claimed: 2020-03-19 - Assignees: Beijing Boe Display Technology Co., Ltd.; Boe Technology Group Co., Ltd. - Applicants: Beijing Boe Display Technology Co., Ltd.; Boe Technology Group Co., Ltd. - Inventors: Chongyang Zhao - Web page: https://patentgrep.com/patent/US12218147B2 ## CPC - H10D 86/60: wherein the TFTs are in active matrices - G09G 3/3677: {suitable for active matrices only} - H10D 86/441: {Interconnections, e.g. scanning lines} - G09G 2310/0286: Details of a shift registers arranged for use in a driving circuit - G09G 2320/0223: Compensation for problems related to R-C delay and attenuation in electrodes of matrix panels, e.g. in gate electrodes or on-substrate video signal electrodes - H10D: INORGANIC ELECTRIC SEMICONDUCTOR 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) ## Abstract An array substrate comprises a substrate body, a plurality of first wires, a plurality of second wires and a plurality of connecting electrodes. The plurality of first wires are provided on a first conductive layer; the plurality of second wires are provided on a second conductive layer, and the first conductive layer and the second conductive layer are located in different layers; the plurality of connecting electrodes are provided on a third conductive layer, and the connecting electrodes are respectively connected to the first wires and the second wires so as to connect the corresponding first wires and second wires, wherein orthographic projection areas of the connecting electrodes on the base substrate are not exactly the same. The array substrate may solve a problem of inconsistent signal delays on the second wires due to inconsistent lengths of the second wires. ## Claims ### Claim 1 An array substrate, comprising: a base substrate; a first conductive layer on a side of the base substrate, comprising a plurality of first wires, wherein the first wires are clock wires in a gate drive circuit; a second conductive layer on a side of the base substrate, comprising a plurality of second wires, the first conductive layer and the second conductive layer being located in different layers, the plurality of second wires having at least a first length and a second length, the first length being less than the second length, wherein the second wires are clock lead wires in the gate drive circuit; and a third conductive layer on a side of the base substrate, comprising a plurality of connecting electrodes, and the connecting electrodes being respectively connected to the first wires and the second wires so as to connect corresponding first wires and second wires, an orthographic projection, on the base substrate, of a connecting electrode connected to a second wire having the first length having a first area, and an orthographic projection, on the base substrate, of a connecting electrode connected to a second wire having the second length having a second area; wherein the first area is greater than the second area. ### Claim 2 (depends on 1) The array substrate according to claim 1, wherein a sum of an overlap capacitance generated between each of the second wires and a target structure layer and an overlap capacitance generated between the connecting electrode connected to the second wires and the target structure layer are equal. ### Claim 3 (depends on 1) The array substrate according to claim 1, wherein the third conductive layer, the first conductive layer and the second conductive layer are located in different layers, and the connecting electrodes are connected to the first wires and the second wires through via holes. ### Claim 4 (depends on 1) The array substrate according to claim 1, wherein the array substrate comprises a transistor, and the first conductive layer comprises a gate layer for forming a transistor gate electrode, and the second conductive layer comprises a source/drain layer for forming a transistor source/drain electrode; the array substrate comprises a pixel electrode, and the third conductive layer comprises a pixel electrode layer for forming the pixel electrode. ### Claim 5 (depends on 1) The array substrate according to claim 1, wherein the second conductive layer is located on a side of the first conductive layer away from the base substrate; the third conductive layer and the second conductive layer are provided in the same layer, and the connecting electrodes are connected to the first wires through via holes, and connected to the second wires in the same layer. ### Claim 6 (depends on 1) The array substrate according to claim 1, wherein the plurality of first wires extend in a first direction and are distributed at intervals in a second direction, and the second wires extend in the second direction and are distributed at intervals in the first direction, wherein the first direction is different from the second direction. ### Claim 7 (depends on 6) The array substrate according to claim 6, wherein the array substrate comprises an edge wiring area, wherein the first wires and the second wires are located in the edge wiring area, and first ends of the second wires are connected to the first wires, and second ends of the second wires extend to an edge of the edge wiring area. ### Claim 8 (depends on 7) The array substrate according to claim 7, wherein the first wires extend along a cascade direction of a shift register unit in the gate drive circuit, and are configured to provide clock signals to the shift register unit; the first ends of the second wires are connected to the first wires, and the second ends of the second wires extend to the edge of the edge wiring area so as to connect to the shift register unit in the gate drive circuit. ### Claim 9 (depends on 8) The array substrate according to claim 8, wherein the first wires are formed by a hollow metal grid, and the orthographic projection of the connecting electrodes on the array substrate at least coincides with the orthographic projection of a part of the metal grid on the base substrate. ### Claim 10 (depends on 3) The array substrate according to claim 3, wherein the second wire comprises a connecting portion, and the orthographic projection of the connecting portion on the base substrate at least partly coincides with the orthographic projection of the connecting electrode on the base substrate; the connecting portion comprises a main body portion extending in a third direction and an extension portion connected to the main body portion, the extension portion extends in a fourth direction, and the third direction is different from the fourth direction. ### Claim 11 (depends on 1) A display device, wherein the display device comprises the array substrate according to claim 1. ### Claim 12 (depends on 2) A display device, wherein the display device comprises the array substrate according to claim 2. ### Claim 13 (depends on 3) A display device, wherein the display device comprises the array substrate according to claim 3. ### Claim 14 (depends on 4) A display device, wherein the display device comprises the array substrate according to claim 4. ### Claim 15 (depends on 5) A display device, wherein the display device comprises the array substrate according to claim 5. ### Claim 16 (depends on 6) A display device, wherein the display device comprises the array substrate according to claim 6. ### Claim 17 (depends on 7) A display device, wherein the display device comprises the array substrate according to claim 7. ### Claim 18 (depends on 8) A display device, wherein the display device comprises the array substrate according to claim 8. ### Claim 19 (depends on 9) A display device, wherein the display device comprises the array substrate according to claim 9. ### Claim 20 (depends on 10) A display device, wherein the display device comprises the array substrate according to claim 10.