公开(公告)号：US20230089780A1

公开(公告)日：2023-03-23

申请号：US18071449

申请日：2022-11-29

Applicant: Xiamen Tianma Micro-Electronics Co.,Ltd.

Inventor： Jieliang LI ,  Jiaxian LIU

IPC: G09G3/32 ,  G09G3/20 ,  G09G3/3233

Abstract: A display panel includes a pixel circuit and a light-emitting element. The pixel circuit includes a data-writing module, a driving module, and a compensation module. The driving module is configured to provide a driving current for the light-emitting element, wherein the driving module includes a driving transistor, and the driving transistor is an NMOS transistor. The data-writing module is configured to selectively provide a data signal for the driving module. The compensation module is configured to compensate a threshold voltage of the driving transistor. An operational process of the pixel circuit includes a bias stage. In the bias stage, the compensation module is turned off, the driving transistor receives a bias signal, and the bias signal is configured to adjust a bias state of the driving transistor.

公开(公告)号：US20230145533A1

公开(公告)日：2023-05-11

申请号：US18151073

申请日：2023-01-06

Applicant: Xiamen Tianma Micro-Electronics Co., Ltd.

Inventor： Jieliang LI ,  Jiaxian LIU

IPC: H01L27/12 ,  G09G3/3275 ,  G09G3/3225 ,  G09G3/3266

CPC classification number: H10K59/1216 ,  H10K59/1213 ,  G09G3/3275 ,  G09G3/3225 ,  G09G3/3266 ,  H01L27/1255 ,  H01L27/1225 ,  G09G2320/0626

Abstract: Provided are a display panel and a display apparatus. The display panel includes a driving array layer having functional layers and insulation layers. The driving array layer includes a first transistor, a second transistor, a first capacitor including a first plate and a second plate, and a second capacitor including a third plate and a fourth plate. An active layer of the first transistor contains silicon, and an active layer of the second transistor contains oxide semiconductor. The first plate and the second plate are located in two of the functional layers, respectively, and the third plate and the fourth plate are located in two of the functional layers, respectively.

公开(公告)号：US20230091203A1

公开(公告)日：2023-03-23

申请号：US18071347

申请日：2022-11-29

Applicant: Xiamen Tianma Micro-Electronics Co.,Ltd.

Inventor： Jieliang LI ,  Jiaxian LIU

IPC: G09G3/32 ,  G09G3/20 ,  G09G3/3233

Abstract: A display panel includes a pixel circuit and a light-emitting element. The pixel circuit includes a data-writing module, a driving module, and a compensation module. The driving module is configured to provide a driving current for the light-emitting element, wherein the driving module includes a driving transistor, and the driving transistor is an NMOS transistor. The data-writing module is configured to selectively provide a data signal for the driving module. The compensation module is configured to compensate a threshold voltage of the driving transistor. An operational process of the pixel circuit includes a bias stage. In the bias stage, the compensation module is turned off, the driving transistor receives a bias signal, and the bias signal is configured to adjust a bias state of the driving transistor.

公开(公告)号：US20250006117A1

公开(公告)日：2025-01-02

申请号：US18886109

申请日：2024-09-16

Applicant: Xiamen Tianma Micro-Electronics Co., Ltd.

Inventor： Jieliang LI ,  Jiaxian LIU

IPC: G09G3/32 ,  G09G3/20 ,  G09G3/3233

Abstract: A display panel includes a pixel circuit and a light-emitting element. The pixel circuit includes a data-writing module, a driving module, and a compensation module. The driving module is configured to provide a driving current for the light-emitting element, wherein the driving module includes a driving transistor, and the driving transistor is an NMOS transistor. The data-writing module is configured to selectively provide a data signal for the driving module. The compensation module is configured to compensate a threshold voltage of the driving transistor. An operational process of the pixel circuit includes a bias stage. In the bias stage, the compensation module is turned off, the driving transistor receives a bias signal, and the bias signal is configured to adjust a bias state of the driving transistor.

公开(公告)号：US20240138192A1

公开(公告)日：2024-04-25

申请号：US18402044

申请日：2024-01-02

Applicant: Xiamen Tianma Micro-Electronics Co., Ltd.

Inventor： Jieliang LI ,  Jiaxian LIU

IPC: H10K59/121 ,  G09G3/3225 ,  G09G3/3266 ,  G09G3/3275

CPC classification number: H10K59/1216 ,  G09G3/3225 ,  G09G3/3266 ,  G09G3/3275 ,  H10K59/1213 ,  G09G2320/0626 ,  H01L27/1225

Abstract: Provided are display panels and display apparatus. The display panel includes a driving array layer including a pixel circuit and a driving circuit configured to provide a control signal to the pixel circuit. The pixel circuit includes first and third transistors. The driving circuit includes second and fourth transistors. The first to fourth transistors include an active layer including silicon, an active layer including oxide semiconductor, an active layer including oxide semiconductor, and an active layer including silicon. The first and the third transistors are switching transistors of the pixel circuit, |W1/L1-W4/L4| 5*|W2/L2-W3/L3|; or the first and third transistors are a switching transistor and a driving transistor of the pixel circuit, respectively, 5*|W1/L1-W4/L4|

公开(公告)号：US20220122522A1

公开(公告)日：2022-04-21

申请号：US17166290

申请日：2021-02-03

Applicant: Xiamen Tianma Micro-Electronics Co.,Ltd.

Inventor： Jieliang LI ,  Jiaxian LIU

IPC: G09G3/32 ,  G09G3/20

Abstract: A display panel, a driving method, and a display device are provided. The display panel includes a pixel circuit and a light-emitting element. The pixel circuit includes a data-writing module, a driving module, a compensation module, and a first light-emission controller. The driving module is configured to provide driving current for the light-emitting element. The driving module includes a driving transistor, and the driving transistor is an NMOS transistor. The data-writing module is connected between a data-signal input terminal and a first terminal of the driving transistor for selectively providing a data signal for the driving module. The compensation module is configured to compensate a threshold voltage of the driving transistor. The first light-emission controller is connected between a first power signal terminal and a second terminal of the driving transistor for selectively providing a first power signal to the driving module.

公开(公告)号：US20240237409A9

公开(公告)日：2024-07-11

申请号：US18402044

申请日：2024-01-02

Applicant: Xiamen Tianma Micro-Electronics Co., Ltd.

Inventor： Jieliang LI ,  Jiaxian LIU

IPC: H10K59/121 ,  G09G3/3225 ,  G09G3/3266 ,  G09G3/3275

CPC classification number: H10K59/1216 ,  G09G3/3225 ,  G09G3/3266 ,  G09G3/3275 ,  H10K59/1213 ,  G09G2320/0626 ,  H01L27/1225

Abstract: Provided are display panels and display apparatus. The display panel includes a driving array layer including a pixel circuit and a driving circuit configured to provide a control signal to the pixel circuit. The pixel circuit includes first and third transistors. The driving circuit includes second and fourth transistors. The first to fourth transistors include an active layer including silicon, an active layer including oxide semiconductor, an active layer including oxide semiconductor, and an active layer including silicon. The first and the third transistors are switching transistors of the pixel circuit, |W1/L1-W4/L4| 5*|W2/L2-W3/L3|; or the first and third transistors are a switching transistor and a driving transistor of the pixel circuit, respectively, 5*|W1/L1-W4/L4|

公开(公告)号：US20240138191A1

公开(公告)日：2024-04-25

申请号：US18401975

申请日：2024-01-02

Applicant: Xiamen Tianma Micro-Electronics Co., Ltd.

Inventor： Jieliang LI ,  Jiaxian LIU

IPC: H10K59/121 ,  G09G3/3225 ,  G09G3/3266 ,  G09G3/3275

CPC classification number: H10K59/1216 ,  G09G3/3225 ,  G09G3/3266 ,  G09G3/3275 ,  H10K59/1213 ,  G09G2320/0626 ,  H01L27/1225

Abstract: Provided are display panels and display apparatus. The display panel includes a driving array layer including a pixel circuit and a driving circuit configured to provide a control signal to the pixel circuit. The pixel circuit includes a first capacitor and a first transistor including an active layer including silicon. The driving circuit includes a second capacitor and a second transistor including an active layer including oxide semiconductor. In a direction perpendicular to a plane of the display panel, the first capacitor partially overlaps the first transistor, and the second capacitor does not overlap the second transistor; or in a direction perpendicular to a plane of the display panel, an area of a region where the first capacitor overlaps the first transistor is greater than an area of a region where the second capacitor overlaps the second transistor.

公开(公告)号：US20240237408A9

公开(公告)日：2024-07-11

申请号：US18401975

申请日：2024-01-02

Applicant: Xiamen Tianma Micro-Electronics Co., Ltd.

Inventor： Jieliang LI ,  Jiaxian LIU

IPC: H10K59/121 ,  G09G3/3225 ,  G09G3/3266 ,  G09G3/3275

CPC classification number: H10K59/1216 ,  G09G3/3225 ,  G09G3/3266 ,  G09G3/3275 ,  H10K59/1213 ,  G09G2320/0626 ,  H01L27/1225

Abstract: Provided are display panels and display apparatus. The display panel includes a driving array layer including a pixel circuit and a driving circuit configured to provide a control signal to the pixel circuit. The pixel circuit includes a first capacitor and a first transistor including an active layer including silicon. The driving circuit includes a second capacitor and a second transistor including an active layer including oxide semiconductor. In a direction perpendicular to a plane of the display panel, the first capacitor partially overlaps the first transistor, and the second capacitor does not overlap the second transistor; or in a direction perpendicular to a plane of the display panel, an area of a region where the first capacitor overlaps the first transistor is greater than an area of a region where the second capacitor overlaps the second transistor.

公开(公告)号：US20230157077A1

公开(公告)日：2023-05-18

申请号：US18150953

申请日：2023-01-06

Applicant: Xiamen Tianma Micro-Electronics Co., Ltd.

Inventor： Jieliang LI ,  Jiaxian LIU

IPC: H10K59/121 ,  G09G3/3225 ,  G09G3/3266 ,  G09G3/3275

CPC classification number: H10K59/1216 ,  G09G3/3225 ,  G09G3/3266 ,  G09G3/3275 ,  H10K59/1213 ,  G09G2320/0626 ,  H01L27/1225

Abstract: Provided are a display panel and a display apparatus. The display panel includes a driving array layer having functional layers and insulation layers. The driving array layer includes a first transistor, a second transistor, a first capacitor including a first plate and a second plate, and a second capacitor including a third plate and a fourth plate. An active layer of the first transistor contains silicon, and an active layer of the second transistor contains oxide semiconductor. The first plate and the second plate are located in two of the functional layers, respectively, and the third plate and the fourth plate are located in two of the functional layers, respectively.