公开(公告)号：US20230377517A1

公开(公告)日：2023-11-23

申请号：US18102780

申请日：2023-01-30

Applicant: Xiamen Tianma Display Technology Co., Ltd.

Inventor： Jieliang LI ,  Ping AN ,  Guoxing CHEN ,  Yuping XU

IPC: G09G3/3233 ,  G09G3/32

CPC classification number: G09G3/3233 ,  G09G3/32 ,  G09G2320/0247 ,  G09G2330/021

Abstract: The present application discloses a display panel, an integrated chip and a display apparatus. The display panel includes: a first display area and a second display area; and pixel circuits including first pixel circuits and second pixel circuits, wherein the first pixel circuits are configured to provide driving currents to light emitting elements of the first display area, and the second pixel circuits are configured to provide driving currents to light emitting elements of the second display area, the pixel circuits receive a bias adjustment signal, the bias adjustment signal includes a first bias adjustment signal and a second bias adjustment signal, the first pixel circuits receive the first bias adjustment signal, and the second pixel circuits receive the second bias adjustment signals, a voltage value of the first bias adjustment signal is V1, and a voltage value of the second bias adjustment signal is V2, wherein V1≠V2.

公开(公告)号：US20230178007A1

公开(公告)日：2023-06-08

申请号：US18103700

申请日：2023-01-31

Applicant: Xiamen Tianma Display Technology Co., Ltd.

Inventor： Jiaxiang DAI ,  Ping AN

IPC: G09G3/32 ,  G09G3/3225

CPC classification number: G09G3/32 ,  G09G3/3225 ,  G09G2310/0286

Abstract: Provided are a display panel and a display device. The display panel includes a first region and a second region, a first driver circuit, a first driver circuit, a function component, a function hole and a virtual hole. The first region includes a pixel unit. The first driver circuit is located in the second region and includes a first drive signal output terminal, where the first drive signal output terminal is configured to provide a first drive signal for the pixel unit in the first region. The function component includes a first function layer, a second function layer and a preset dielectric layer located between the first function layer and the second function layer. The function hole penetrates through the preset dielectric layer and is configured to connect the first function layer to the second function layer. The virtual hole penetrates through the preset dielectric layer.

公开(公告)号：US20240304137A1

公开(公告)日：2024-09-12

申请号：US18665604

申请日：2024-05-16

Applicant: XIAMEN TIANMA DISPLAY TECHNOLOGY CO., LTD.

Inventor： Jieliang LI ,  Ping AN

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2310/0275 ,  G09G2320/0233 ,  G09G2320/0247 ,  G09G2330/021

Abstract: A display panel includes: a light emitting element including a first light emitting element and a second light emitting element; and a pixel circuit including a first pixel circuit and a second pixel circuit. The first and second pixel circuits are respectively connected to the first and second light emitting elements. The pixel circuit is configured to receive a bias adjustment signal including a first bias adjustment signal and a second bias adjustment signal, and the first and second pixel circuits are respectively configured to receive the first and second bias adjustment signals. Areas of the first and second light emitting elements are respectively S1 and S2, and voltage values of the first and second bias adjustment signals are V1 and V2, where (S1-S2)×(|V1|−|V2|)≠0. A display device including the display panel is also provided.

公开(公告)号：US20230282157A1

公开(公告)日：2023-09-07

申请号：US18103690

申请日：2023-01-31

Applicant: Xiamen Tianma Display Technology Co., Ltd.

Inventor： Jieliang LI ,  Ping AN ,  Guoxing CHEN ,  Yuping XU

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2320/0666 ,  G09G2320/0247

Abstract: Provided are a display panel and a display device. The display panel includes a first display region, a second display region and pixel circuits. The pixel circuits include a first pixel circuit and a second pixel circuit. The first pixel circuit is configured to provide a drive current for a light-emitting element in the first display region. The second pixel circuit is configured to provide a drive current for a light-emitting element in the second display region. The pixel circuits further include at least one bias adjustment module, each of which is configured to provide a bias adjustment signal for a respective one drive transistor. A preset electrode of a drive transistor in the first pixel circuit is connected to one bias adjustment module and a preset electrode of a drive transistor in the second pixel circuit is connected to no bias adjustment module.

公开(公告)号：US20240347006A1

公开(公告)日：2024-10-17

申请号：US18757365

申请日：2024-06-27

Applicant: Xiamen Tianma Display Technology Co., Ltd.

Inventor： Yong YUAN ,  Ping AN

IPC: G09G3/3233

CPC classification number: G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2310/08 ,  G09G2320/0247 ,  G09G2340/0435

Abstract: Provided are a display panel. When a bias adjustment control signal is an effective pulse signal, a bias adjustment module is on and provides a bias adjustment signal for a drive transistor. The data refresh rate of a first pixel circuit is a first frequency F1. The data refresh rate of a second pixel circuit is a second frequency F2. F1≠F2. A data refresh period of the first pixel circuit includes R1 image refresh frames. A data refresh period of the second pixel circuit includes R2 image refresh frames. The sum of time durations of effective pulses of the bias adjustment control signal is Ws1 in the data refresh period of the first pixel circuit. The sum of time durations of effective pulses of the bias adjustment control signal is Ws2 in the data refresh period of the second pixel circuit. Ws1/R1≠Ws2/R2.

公开(公告)号：US20230171996A1

公开(公告)日：2023-06-01

申请号：US17857198

申请日：2022-07-05

Applicant: Xiamen Tianma Display Technology Co., Ltd.

Inventor： Jieliang LI ,  Ping AN

IPC: H01L27/32

CPC classification number: H01L27/3262 ,  H01L27/3265 ,  H01L27/3276

Abstract: The present application discloses a display panel and a display device. The display panel includes: a pixel circuit and a light-emitting element; the pixel circuit includes a driving transistor, a light-emitting control transistor and an initialization transistor; the driving transistor is configured to provide a driving current for the light-emitting element; the light-emitting control transistor is configured to selectively allow the light-emitting element to enter a light-emitting stage; the initialization transistor is configured to provide an initialization signal for the light-emitting element; wherein one of the light-emitting control transistor and the initialization transistor is a PMOS transistor, and the other is an NMOS transistor, a gate of the light-emitting control transistor receives a light-emitting control signal, and a gate electrode of the initialization transistor receives the initialization signal; wherein the light-emitting control signal and the initialization signal are the same signal.