# US 2023/0053813 A1 · Display panel and mobile terminal > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2023/0053813 A1 - Document ID: US20230053813A1 - Status: Published application - Kind: A1 - Application number: 17/600,187 - Filed: 2021-09-07 - Published: 2023-02-23 - Earliest claimed: 2021-08-23 - Assignees: Tcl China Star Optoelectronics Technology Co., Ltd. - Applicants: TCL China Star Optoelectronics Technology Co., Ltd. - Inventors: Litao YANG; Xing OUYANG - Web page: https://patentgrep.com/patent/US20230053813A1 ## CPC - H10D 86/60: wherein the TFTs are in active matrices - H10D 86/443: {adapted for preventing breakage, peeling or short circuiting} - H10D 86/471: {having different architectures, e.g. having both top-gate and bottom-gate TFTs} - H10D: INORGANIC ELECTRIC SEMICONDUCTOR DEVICES ## Abstract A display panel and a mobile terminal are provided. The display panel includes a base and a thin film transistor (TFT) layer that is disposed on the base and includes at least two TFTs arranged in parallel. According to the present disclosure, the TFT layer includes at least two TFTs arranged in parallel, thereby resolving the problem that a short circuit between a gate and a source and/or a short circuit between the gate and a drain in the TFT cannot be repaired. ## Claims ### Claim 1 A display panel, comprising: a base; and a thin film transistor (TFT) layer, disposed on the base and comprising at least two TFTs arranged in parallel; wherein the TFT layer comprises: a first metal layer, a semiconductor layer, and a second metal layer that are sequentially disposed on the base in a stacked manner, the first metal layer comprises at least gates of the TFTs and a first connection portion connecting the gates in parallel; the second metal layer comprises at least first electrodes and second electrodes of the TFTs, a second connection portion connecting the first electrodes in parallel, and a third connection portion connecting the second electrodes in parallel; and in one TFT, an orthographic projection of the gate on the base covers orthographic projections of the first electrode and the second electrode on the base. ### Claim 2 (depends on 1) The display panel as claimed in claim 1, wherein the TFT layer comprises a plurality of TFTs arranged in parallel, any two adjacent TFTs are arranged in sequence in a first direction or a second direction, and the first direction is set to be at a preset angle to the second direction; the TFT layer comprises gap regions located between the TFTs, and the gap region comprises a cutting region and a non-cutting region; and the first connection portion is located in the cutting region, one of the second connection portion and the third connection portion is located in the cutting region, and the other is located in the non-cutting region. ### Claim 3 (depends on 2) The display panel as claimed in claim 2, wherein the cutting region comprises a first cutting region, the non-cutting region comprises a first non-cutting region, and the first cutting region and the first non-cutting region are located between two adjacent TFTs arranged in the first direction; the first connection portion comprises a first connection sub-portion located in the first cutting region, and the second connection portion comprises a second connection sub-portion located in the first non-cutting region; and an orthographic projection of the first cutting region on the base does not overlap an orthographic projection of the first non-cutting region on the base. ### Claim 4 (depends on 3) The display panel as claimed in claim 3, wherein in the second direction, a width of an orthographic projection of any one of the gates on the base is greater than a width of an orthographic projection of the first connection sub-portion on the base. ### Claim 5 (depends on 2) The display panel as claimed in claim 2, wherein the cutting region comprises a second cutting region, the non-cutting region comprises a second non-cutting region, the second cutting region and the second non-cutting region are located between two adjacent TFTs arranged in the second direction, and the second non-cutting region and the second cutting region are arranged in the second direction; the first connection portion comprises a third connection sub-portion located in the second cutting region, and the second connection portion comprises a fourth connection sub-portion located in the second non-cutting region; and an orthographic projection of the second cutting region on the base does not overlap an orthographic projection of the second non-cutting region on the base. ### Claim 6 (depends on 5) The display panel as claimed in claim 5, wherein in the second direction, a width of the orthographic projection of the second cutting region on the base is greater than a width of the orthographic projection of the second non-cutting region on the base. ### Claim 7 (depends on 5) The display panel as claimed in claim 5, wherein the second cutting region comprises a first cutting subregion and a second cutting subregion, the second non-cutting region comprises at least one first non-cutting subregion located between the first cutting subregion and the second cutting subregion, and the first cutting subregion, the second cutting subregion, and the first non-cutting subregion are disposed in the second direction. ### Claim 8 (depends on 7) The display panel as claimed in claim 7, wherein the first electrode comprises a plurality of first teeth portions arranged in parallel and spaced apart from each other, the plurality of first teeth portions are communicated by using the second connection portion; the second electrode comprises a plurality of second teeth portions arranged in parallel and spaced apart from each other, the plurality of second teeth portions are communicated by the third connection portion; and the plurality of first teeth portions and the plurality of second teeth portions are alternately disposed in the first direction, and the second teeth portion is at least partially located in the second cutting region. ### Claim 9 (depends on 8) The display panel as claimed in claim 8, wherein the third connection sub-portion comprises a plurality of first connection sections that are disposed at intervals and correspond to the plurality of second teeth portions, and an orthographic projection of the second teeth portion on the base is located at a gap between adjacent first connection sections. ### Claim 10 (depends on 2) The display panel as claimed in claim 2, wherein the TFT layer further comprises a semiconductor layer located between the first metal layer and the second metal layer, the semiconductor layer comprises semiconductor sublayers of the TFTs and a fourth connection portion connecting the semiconductor sublayers in parallel, and the fourth connection portion is located in the non-cutting region; and an orthographic projection of the semiconductor sublayer on the base is located within the orthographic projection of the gate on the base. ### Claim 11 A mobile terminal, comprising a display panel and a terminal body, wherein the terminal body is integrated with the display panel, and the display panel comprises: a base; and a thin film transistor (TFT) layer, disposed on the base and comprising at least two TFTs arranged in parallel; wherein the TFT layer comprises: a first metal layer, a semiconductor layer, and a second metal layer that are sequentially disposed on the base in a stacked manner, and the first metal layer comprises at least gates of the TFTs and a first connection portion connecting the gates in parallel; the second metal layer comprises at least first electrodes and second electrodes of the TFTs, a second connection portion connecting the first electrodes in parallel, and a third connection portion connecting the second electrodes in parallel; and in one TFT, an orthographic projection of the gate on the base covers orthographic projections of the first electrode and the second electrode on the base. ### Claim 12 (depends on 11) The mobile terminal as claimed in claim 11, wherein the TFT layer comprises a plurality of TFTs arranged in parallel, any two adjacent TFTs are arranged in sequence in a first direction or a second direction, and the first direction is set to be at a preset angle to the second direction; the TFT layer comprises gap regions located between the TFTs, and the gap region comprises a cutting region and a non-cutting region; and the first connection portion is located in the cutting region, one of the second connection portion and the third connection portion is located in the cutting region, and the other is located in the non-cutting region. ### Claim 13 (depends on 12) The mobile terminal as claimed in claim 12, wherein the cutting region comprises a first cutting region, the non-cutting region comprises a first non-cutting region, and the first cutting region and the second cutting region are located between two adjacent TFTs arranged in the first direction; the first connection portion comprises a first connection sub-portion located in the first cutting region, and the second connection portion comprises a second connection sub-portion located in the first non-cutting region; and an orthographic projection of the first cutting region on the base does not overlap an orthographic projection of the first non-cutting region on the base. ### Claim 14 (depends on 13) The mobile terminal as claimed in claim 13, wherein in the second direction, a width of an orthographic projection of any one of the gates on the base is greater than a width of an orthographic projection of the first connection sub-portion on the base. ### Claim 15 (depends on 12) The mobile terminal as claimed in claim 12, wherein the cutting region comprises a second cutting region, the non-cutting region comprises a second non-cutting region, the second cutting region and the second non-cutting region are located between two adjacent TFTs arranged in the second direction, and the second non-cutting region and the second cutting region are arranged in the second direction; the first connection portion comprises a third connection sub-portion located in the second cutting region, and the second connection portion comprises a fourth connection sub-portion located in the second non-cutting region; and an orthographic projection of the second cutting region on the base does not overlap an orthographic projection of the second non-cutting region on the base. ### Claim 16 (depends on 15) The mobile terminal as claimed in claim 15, wherein in the second direction, a width of the orthographic projection of the second cutting region on the base is greater than a width of the orthographic projection of the second non-cutting region on the base. ### Claim 17 (depends on 15) The mobile terminal as claimed in claim 15, wherein the second cutting region comprises a first cutting subregion and a second cutting subregion, the second non-cutting region comprises at least one first non-cutting subregion located between the first cutting subregion and the second cutting subregion, and the first cutting subregion, the second cutting subregion, and the first non-cutting subregion are disposed in the second direction. ### Claim 18 (depends on 17) The mobile terminal as claimed in claim 17, wherein the first electrode comprises a plurality of first teeth portions arranged in parallel and spaced apart from each other, the plurality of first teeth portions are communicated by using the second connection portion; the second electrode comprises a plurality of second teeth portions arranged in parallel and spaced apart from each other, the plurality of second teeth portions are communicated by using the third connection portion; and the plurality of first teeth portions and the plurality of second teeth portions are alternately disposed in the first direction, and the second teeth portion is at least partially located in the second cutting region. ### Claim 19 (depends on 18) The mobile terminal as claimed in claim 18, wherein the third connection sub-portion comprises a plurality of first connection sections that are disposed at intervals and correspond to the plurality of second teeth portions, and an orthographic projection of the second teeth portion on the base is located at a gap between adjacent first connection sections. ### Claim 20 (depends on 12) The mobile terminal as claimed in claim 12, wherein the TFT layer further comprises a semiconductor layer located between the first metal layer and the second metal layer, the semiconductor layer comprises semiconductor sublayers of the TFTs and a fourth connection portion connecting the semiconductor sublayers in parallel, and the fourth connection portion is located in the non-cutting region; and an orthographic projection of the semiconductor sublayer on the base is located within the orthographic projection of the gate on the base.