Xiamen Tianma Micro-electronics Co., Ltd.

Xiamen Tianma Display Technology Co., Ltd.

Tianma Micro-electronics Co., Ltd.

Shanghai Tianma Am-oled Co., Ltd.

Jieliang Li

Wanming Huang

Yuheng Zhang

Yong Yuan

Ping An

Jiaxian Liu

Fenxiang Zou

Yuping Xu

Ming Yang

Feng Lu

Gaojun Huang

Qijun Yao

Zaiwen Zhu

Guoxing Chen

Yingteng Zhai

Qitai Ji

Hongming Chen

Chikaaki Mizikuchi

Provided are a method for driving a display panel, the method comprises a plurality of picture update periods, wherein at least one of the plurality of picture update periods comprises a first data write stage, a second data write stage, and a data retention stage; at least one of the first data write stage precedes at least one of the second data write stage; at the first data write stage, a gate scanning signal is provided for and a first data voltage is written to a pixel unit; at the second data write stage, the gate scanning signal is provided for and a second data voltage is written to the pixel unit, wherein theoretical brightness corresponding to the first data voltage is greater than theoretical brightness corresponding to the second data voltage.

Method for driving a display panel and display device

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.

Display panel and display apparatus

Provided are a display panel and a display device. The display panel includes a driver circuit, a pixel circuit, a light-emitting element, a first power signal bus, and a second power signal bus. The driver circuit provides a drive signal for the pixel circuit. The pixel circuit provides a drive current for the light-emitting element. The light-emitting element includes a first electrode and a second electrode. The first power signal bus transmits a first power signal V, the second power signal bus transmits a second power signal V, and V≠V. The first power signal bus is connected to the pixel circuit. The pixel circuit is connected to the first electrode. The second power signal bus is connected to the second electrode. The second power signal bus at least partially overlaps the driver circuit.

Display panel and display device

A display panel and an electronic device are provided. The display panel includes an array substrate including a substrate, a pixel circuit disposed on the substrate, and a plurality of signal lines distributed in parallel and disposed on a side of the pixel circuit away from the substrate. The plurality of signal lines are connected to wirings below the signal lines through first conductive holes. The display panel also includes a display array including a plurality of sub-pixels and located on a side of the plurality of signal lines away from the substrate. In a direction perpendicular to the substrate, the signal lines include overlap portions overlapping first electrodes of the plurality of sub-pixels; at least two overlap portions correspond to sub-pixels of a same emission color and include first conductive holes; and orthographic projections of the at least two overlap portions on the substrate are same.

Display panel and electronic device

A display panel includes a pixel circuit including a driving transistor, a driving circuit configured to provide a control signal to the pixel circuit, and a clock signal line configured to provide a clock signal for the driving circuit. A data refresh period of the pixel circuit includes a data writing stage and a holding stage. When the pixel circuit is operated in the data writing stage, a clock pulse frequency of the clock signal is a first frequency F1 in at least one stage of the N stages. When the pixel circuit is operated in the holding stage, the clock pulse frequency of the clock signal is a second frequency F2 in at least one stage of the N stages, the clock pulse frequency of the clock signal is a third frequency F3 in at least one stage of the N stages. F1>F2>F3≥0.

A display panel includes a pixel circuit including a driving transistor, a driving circuit configured to provide a control signal to the pixel circuit, and a clock signal line configured to provide a clock signal for the driving circuit. The pixel circuit further includes a first transistor and a second transistor. The driving circuit includes a first driving circuit configured to provide a control signal to the first transistor, and a second driving circuit configured to provide a control signal to the second transistor. The clock signal line includes a first clock signal line configured to provide a first clock signal to the first driving circuit, and a second clock signal line configured to provide a second clock signal to the second driving circuit.

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.

A display panel includes a pixel circuit and a light-emitting element. The pixel circuit includes a data write device, a drive device and a bias adjustment device. The data write device is configured to provide a data signal to the drive device. The bias adjustment device is configured to provide a bias adjustment signal to the drive device. The display panel further includes a drive circuit, the drive circuit is configured to receive a first drive signal and a second drive signal. In a case where the drive device includes a drive transistor being a PMOS transistor, the bias adjustment signal is same as the first drive signal, or, in a case where the drive device includes a drive transistor being an NMOS transistor, and the bias adjustment signal is same as the second drive signal.

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, |W/L-W/L|<|W/L-W/L|; or the first and the third transistors are a driving transistor and a switching transistor of the pixel circuit, respectively, |W/L-W/L*|W/L-W/L|; or the first and third transistors are a switching transistor and a driving transistor of the pixel circuit, respectively,*|W/L-W/L|<|W/L-W/L

Provided is a display panel. The display panel includes a pixel driving circuit which including a drive transistor, a data write module, a light emission control module, a threshold compensation module and a bias adjustment module. The control terminal of the drive transistor is connected to the first node. The first terminal of the drive transistor is connected to a third node. The second terminal of the drive transistor is connected to a second node. The light emission control module is connected in series with the drive transistor and connected in series with a light-emitting element. The threshold compensation module is connected in series between the control terminal of the drive transistor and the second terminal of the drive transistor. The first terminal of the bias adjustment module is connected to a bias signal terminal and the second terminal is connected to the second terminal of the drive transistor.

Display panel

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.

A display panel, a display driving method and a display pixel driving circuit therefor are provided. In the display driving method, the light emitting signal includes multiple pulse signals, and the variation trend of the pulse-off durations of the pulse signals is consistent with the variation trend of the light emitting brightness of the light emitting element during the light emitting period, that is, the pulse-off durations decreases sequentially with the decrease of the light emitting brightness of the light emitting element, or sequentially increases with the increase of the light emitting brightness of the light emitting element. Therefore, the flicker problem in the display panel when emitting light can be solved, and improving the image display quality.

Display panel, and display driving method and display driving circuit for the same

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 V, and a voltage value of the second bias adjustment signal is V, wherein V≠V

Display panel, integrated chip and display apparatus

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.

Display panel, driving method, and display device

A display panel includes a base substrate, drive circuits, pixel circuits, and line groups. The drive circuits and the pixel circuits are arranged on the base substrate. The drive circuits provide control signals for the pixel circuits. The pixel circuits provide drive currents for light-emitting elements of the display panel. The drive circuits include a first drive circuit and a second drive circuit. The signal line groups include a first signal line group and a second signal line group. The first signal line group includes M signal lines that provide signals for the first drive circuit. The second signal line group includes N signal lines that provide signals for the second drive circuit, M≥1, and N≥1. The first drive circuit includes S1 level shift registers extending along a first direction. The second drive circuit includes S2 level shift registers extending along the first direction.

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Xiamen, China

Jieliang Li