# US 12,120,932 B2 · Display panel and display apparatus > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,120,932 B2 - Document ID: US12120932B2 - Status: Granted - Kind: B2 - Application number: 17/708,481 - Filed: 2022-03-30 - Published: 2023-03-23 - Granted: 2024-10-15 - Earliest claimed: 2021-09-18 - Assignees: Beijing Xiaomi Mobile Software Co., Ltd. - Applicants: Beijing Xiaomi Mobile Software Co., Ltd. - Inventors: Yue Wang - Web page: https://patentgrep.com/patent/US12120932B2 ## CPC - H10K 59/131: Interconnections, e.g. wiring lines or terminals - H10K 59/123: Connection of the pixel electrodes to the thin film transistors [TFT] - H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES ## Abstract A display panel includes a display region with a thin film transistor and a plurality of data lines and a non-display region. Thin film transistor includes a gate, a source region and a drain region, data lines include a plurality of first type data lines which are located at an edge of display region and close to a side of non-display region. First type data line includes a first sub-data line extending in a first direction, a conductive connection line extending in a second direction and a second sub-data line extending in a first direction. First sub-data line is connected with source region or drain region. A first insulating layer is between conductive connection line and first sub-data line. A second insulating layer is between second sub-data line and conductive connection line, and second sub-data line is closer to a central axis of display panel than first sub-data line. ## Claims ### Claim 1 A display panel, comprising a display region and a non-display region at least partially surrounding the display region, wherein the display region is provided with a thin film transistor and more than one data lines, wherein the thin film transistor comprises a gate, a source region and a drain region, and the more than one data lines comprise more than one first type data lines, wherein the more than one first type data lines are at an edge of the display region and close to a side of the non-display region, wherein each of the more than one first type data lines comprise: a first sub-data line at the display region, extending in a first direction and connected with the source region or the drain region of the thin film transistor; a conductive connection line at the display region, extending in a second direction and connected with the first sub-data line, wherein a first insulating layer is between the conductive connection line and the first sub-data line and the second direction is intersected with the first direction; and a second sub-data line, extending from the display region to the non-display region in the first direction and connected with the conductive connection line, wherein a second insulating layer is between the second sub-data line and the conductive connection line, and the second sub-data line is closer to a central axis of the display panel than the first sub-data line, wherein the central axis extends in the first direction, wherein, in a thickness direction of the display panel, the first sub-data lines and the second sub-data lines are on different layers, at least parts of the first sub-data lines and the second sub-data lines connected to the different conductive connection lines correspond in position in a thickness direction of the display panel, the display region is further provided with a light-emitting control line extending in the second direction and on a same layer with the gate of the thin film transistor, wherein a position of the conductive connection line corresponds to a position of the light-emitting control line in a thickness direction of the display panel. ### Claim 2 (depends on 1) The display panel according to claim 1, wherein the more than one first sub-data lines are at intervals in the second direction and the more than one second sub-data lines are at intervals in the second direction; and the more than one conductive connection lines are at intervals in the first direction. ### Claim 3 (depends on 2) The display panel according to claim 2, wherein the more than one first sub-data line and the more than one second sub-data line are at intervals in a direction toward the central axis of the display panel. ### Claim 4 (depends on 2) The display panel according to claim 2, wherein in the first direction, lengths of adjacent conductive connection lines are equal. ### Claim 5 (depends on 4) The display panel according to claim 4, wherein in the first direction, spacing distances between adjacent conductive connection lines are equal. ### Claim 6 (depends on 5) The display panel according to claim 5, wherein in the second direction, spacing distances between adjacent first sub-data lines are equal, and spacing distances between adjacent second sub-data lines are equal. ### Claim 7 (depends on 4) The display panel according to claim 4, wherein in the second direction, spacing distances between adjacent first sub-data lines are equal, and spacing distances between adjacent second sub-data lines are equal. ### Claim 8 (depends on 2) The display panel according to claim 2, wherein in the first direction, spacing distances between adjacent conductive connection lines are equal. ### Claim 9 (depends on 2) The display panel according to claim 2, wherein in the second direction, spacing distances between adjacent first sub-data lines are equal, and spacing distances between adjacent second sub-data lines are equal. ### Claim 10 (depends on 1) The display panel according to claim 1, wherein the display region is further provided with more than one first virtual data lines isolated from the conductive connection lines, wherein the more than one first virtual data lines extend in the second direction, and the more than one first virtual data lines and the more than one conductive connection lines are on a same layer and correspondingly connected into a same first line. ### Claim 11 (depends on 10) The display panel according to claim 10, wherein the display region is further provided with a power bus on the thin film transistor and at an edge region of the display region, wherein the more than one first virtual data lines are connected with the power bus. ### Claim 12 (depends on 10) The display panel according to claim 10, wherein the display region is further provided with more than one second virtual data lines isolated from the more than one second sub-data lines, wherein the more than one second virtual data lines extend in the first direction, and the more than one second virtual data lines and the more than one second sub-data lines are on a same layer and correspondingly connected into a same second line. ### Claim 13 (depends on 1) The display panel according to claim 1, wherein the display region is further provided with at least three conductive layers on the thin film transistor and an anode on the at least three conductive layers, wherein the anode is connected with the drain region or the source region of the thin film transistor through the conductive layers, wherein the at least three conductive layers comprise a first conductive layer, a second conductive layer and a third conductive layer in a stack, the first sub-data line and the first conductive layer being on a same layer, the conductive connection line and the second conductive layer being on a same layer, and the second sub-data line and the third conductive layer being on a same layer. ### Claim 14 (depends on 1) The display panel according to claim 1, wherein the more than one data lines further comprise more than one second type data lines on the thin film transistor, wherein the more than one second type data lines are closer to the central axis of the display panel than the more than one first type data lines. ### Claim 15 (depends on 1) The display panel according to claim 1, wherein the first insulating layer is provided with a first contact hole whereby the first sub-data line is connected with the conductive connection line, and the second insulating layer is provided with a second contact hole whereby the conductive connection line is connected with the second sub-data line. ### Claim 16 A display apparatus, comprising a display panel, wherein the display panel comprises a display region and a non-display region at least partially surrounding the display region, the display region is provided with a thin film transistor and more than one data lines, wherein the thin film transistor comprises a gate, a source region and a drain region, the more than one data lines comprise more than one first type data lines, and the more than one first type data lines are at an edge of the display region and close to a side of the non-display region; and each of the more than one first type data lines comprise: a first sub-data line at the display region, extending in a first direction, and connecting with the source region or the drain region of the thin film transistor; a conductive connection line at the display region, a first insulating layer is between the conductive connection line and the first sub-data line; the conductive connection line extends in a second direction and is connected with the first sub-data line, and the second direction is intersected with the first direction; and a second sub-data line, a second insulating layer is between the second sub-data line and the conductive connection line; the second sub-data line extends from the display region to the non-display region in the first direction and is connected with the conductive connection line, the second sub-data line is closer to a central axis of the display panel than the first sub-data line, and the central axis extends in the first direction, wherein, in a thickness direction of the display panel, the first sub-data lines and the second sub-data lines are on different layers, at least parts of the first sub-data lines and the second sub-data lines connected to the different conductive connection lines correspond in position in a thickness direction of the display panel, the display region is further provided with a light-emitting control line extending in the second direction and on a same layer with the gate of the thin film transistor, wherein a position of the conductive connection line corresponds to a position of the light-emitting control line in a thickness direction of the display panel. ### Claim 17 (depends on 16) The display panel according to claim 16, wherein the more than one first sub-data lines are at intervals in the second direction and the more than one second sub-data lines are at intervals in the second direction; and the more than one conductive connection lines are at intervals in the first direction. ### Claim 18 (depends on 17) The display panel according to claim 17, wherein the more than one first sub-data line and the more than one second sub-data line are at intervals in a direction toward the central axis of the display panel.