Xiamen Tianma Micro-electronics Co., Ltd.

Shanghai Tianma Micro-electronics Co., Ltd.

Wuhan Tianma Micro-electronics Co., Ltd

Xiamen Tianma Display Technology Co., Ltd.

Shui He

Ping An

Yaqi Kuang

Yong Yuan

Zaiwen Zhu

Shanshan Zheng

Hong Lin

Qijun Yao

Zhaokeng Cao

Ming Yang

Jinjin Yang

Qitai Ji

Jiansheng Zhong

Qiaoling Zhong

Xingyao Zhou

Feng Lu

Xiao Li

Yingteng Zhai

Kazushige Takechi

Liang Liu

Yuheng Zhang

Conghua Ma

Zhonglan Cai

Shaolong Ma

Shaorong Yu

Jun Tanaka

Yinghua Mo

Kenji Sera

Sera Kenji

Yongxiang Lin

Isao Shoji

Shuxian Yang

Feng Xie

FeiPeng Lin

Ying Liu

Provided are a display panel and a display device. The display panel includes a base substrate, a first transistor, and a second transistor. The first transistor and the second transistor are formed on the base substrate, the first transistor includes a first active layer, a first gate, a first source, and a first drain, and the first active layer comprises silicon; the second transistor includes a second active layer, a second gate, a second source, and a second drain, and the second active layer comprises an oxide semiconductor and is disposed on one side of the first active layer facing away from the base substrate. In a first direction perpendicular to the base substrate, a first distance between the first gate and the first active layer is D, a second distance between the second gate and the second active layer is D, and D<D

Display panel and display device

A thin-film transistor substrate includes an insulating substrate, a conductor layer including a top-gate electrode part of an oxide semiconductor thin-film transistor, an oxide semiconductor layer located lower than the top-gate electrode part and including a channel region of the oxide semiconductor thin-film transistor, and an upper insulating layer located between the conductor layer and the oxide semiconductor layer. The oxide semiconductor layer includes low-resistive regions lower in resistance than the channel region. The low-resistive regions sandwich the channel region in an in-plane direction of the insulating substrate and contain impurities to cause resistance reduction of the low-resistive regions. A concentration profile in a layering direction of the impurities to cause resistance reduction of the low resistive regions has one or more peaks. The one or more peaks are located outside the oxide semiconductor layer.

Thin-film transistor substrate with impurity concentration profile in layering direction having peak outside semiconductor layer

A display panel and a display device are provided. The display panel includes a first substrate; a light-emitting layer; and a light modulation layer. The light-emitting layer is located between the first substrate and the light modulation layer; the light modulation layer includes a first light modulation layer and a second light modulation layer; the light-emitting layer includes at least one light-emitting element; the first light modulation layer includes at least one first opening; an orthographic projection of the first opening on the first substrate overlaps an orthographic projection of the light-emitting element on the first substrate; the second light modulation layer covers the first opening; and a refractive index of the second light modulation layer is greater than a refractive index of the first light modulation layer.

Provided are a display panel and a preparation method thereof, and a display device. The display panel includes a base substrate; a first transistor, a second transistor, a third transistor; and a pixel circuit supplying a drive current to a display element, and a driver circuit supplying a drive signal to the pixel circuit; where the driver circuit includes the first transistor, and the pixel circuit includes the second transistor and the third transistor; and the subthreshold swing of the first transistor is SS, and the subthreshold swing of the second transistor is SS, where SS<SS

Display panel and preparation method thereof, and display device

Provided are a display panel and a display device. The display panel includes a base substrate; a first transistor and a second transistor and a third transistor, where the first transistor, the second transistor and the third transistor are formed on the base substrate, the first transistor includes a first active layer, a first gate, a first source, and a first drain, the first active layer contains silicon, the second transistor includes a second active layer, a second gate, a second source, and a second drain, and the second active layer contains an oxide semiconductor and is disposed on one side of the first active layer facing away from the base substrate; and a first insulating layer and a second insulating layer, where the first insulating layer is disposed on one side of the second active layer facing away from the base substrate and between the second gate and the second active layer.

A display panel and a display device are provided. The display panel includes a base substrate, and one or more first transistors and one or more second transistors over the base substrate. A first transistor of the one or more first transistors includes a first active layer, and the first active layer contains silicon. A second transistor of the one or more second transistors includes a second active layer, and the second active layer contains an oxide semiconductor material. The display panel also includes a shielding layer. The shielding layer is disposed on a side of the first active layer facing away from the base substrate, and is disposed on a side of the second active layer facing away from the base substrate. Along a projection direction perpendicular to the base substrate, the shielding layer fully covers the second active layer.

Provided are a display panel and a display device. The display panel includes a base substrate; a first transistor, a second transistor and a third transistor, where the first transistor, the second transistor and the third transistor are formed on the base substrate, the first transistor includes a first active layer, a first gate, a first source, and a first drain, the first active layer contains silicon, the second transistor includes a second active layer, a second gate, a second source, and a second drain, and the second active layer contains an oxide semiconductor and is disposed on one side of the first active layer facing away from the base substrate; and a first insulating layer and a second insulating layer, where the first insulating layer is disposed on one side of the second active layer facing away from the base substrate and between the second gate and the second active layer.

Provided are a display panel and a display device. The display panel includes a base substrate; a first transistor, a second transistor and a third transistor, where the first transistor, the second transistor and the third transistor are formed on the base substrate, the first transistor includes a first active layer, a first gate, a first source, and a first drain, the first active layer contains silicon, the second transistor includes a second active layer, a second gate, a second source, and a second drain, and the second active layer contains an oxide semiconductor; and a first insulating layer and a second insulating layer, where the first insulating layer is disposed on one side of the second active layer facing away from the base substrate and between the second gate and the second active layer.

A display panel including a pixel circuit and a light-emitting element, the pixel circuit including a driving transistor, a data writing transistor, a threshold compensation transistor, a first reset transistor, a bias transistor, and a light-emitting control module, the data writing transistor being electrically connected to a first terminal of the driving transistor, the threshold compensation transistor being connected in series between a gate of the driving transistor and a second terminal of the driving transistor, and configured to detect and self-compensate a threshold voltage deviation of the driving transistor, the first reset transistor and the bias transistor being electrically connected to the second terminal of the driving transistor, the light-emitting control module being connected in series with the driving transistor and the light-emitting element to control whether a driving current flows through the light-emitting element, the data writing transistor and the first reset transistor having the same transistor type.

Display panel and display panel driving method

Provided are a display panel and a display device. The display panel includes a base substrate; a first transistor and a second transistor, where the first transistor and the second transistor are formed on the base substrate, the first transistor includes a first active layer, a first gate, a first source, and a first drain, the first active layer contains silicon, the second transistor includes a second active layer, a second gate, a second source, and a second drain; and a first insulating layer and a second insulating layer, where the first insulating layer is located on a side of the second active layer facing away from the base substrate and between the second gate and the second active layer, the second insulating layer is located on a side of the second active layer facing towards the base substrate.

Display panel and a display device including a pixel circuit and a driver circuit

Provided are a display panel and a display device. The display panel includes a base substrate; a first transistor and a second transistor, where the first transistor and the second transistor are formed on the base substrate, the first transistor includes a first active layer, a first gate, a first source, and a first drain, the first active layer contains silicon, the second transistor includes a second active layer, a second gate, a second source, and a second drain, and the second active layer contains an oxide semiconductor and is disposed on one side of the first active layer facing away from the base substrate; and a first insulating layer and a second insulating layer, where the first insulating layer is disposed on one side of the second active layer facing away from the base substrate and between the second gate and the second active layer.

A method for driving a display panel and a display apparatus are provided. The display panel includes a display region including a fingerprint recognition region and includes subpixels located in the display region, and the subpixels include first subpixels located in the fingerprint recognition region and used as a light source for fingerprint recognition. In a first mode, the subpixels are scanned at a first frequency, and in the second mode, the subpixels are scanned at a second frequency. The second frequency is greater than the first frequency. The method includes: when the display panel is in the first mode, monitoring whether the display panel receives a fingerprint recognition requirement, and if yes, controlling the display panel to enter a trigger state; and when the display panel is in the trigger state, scanning the first subpixels at a frequency greater than the first frequency.

Method for driving display panel and display apparatus

Array substrate, display panel, display device, and method for forming array substrate are provided. The array substrate includes a substrate and at least one first thin-film transistor on the substrate. the first thin-film transistor includes a first gate electrode; a first gate electrode insulating layer on a side of the first gate electrode facing away from the substrate; a first active layer on a side of the first gate electrode insulating layer facing away from the first gate electrode; a second gate electrode insulating layer on a side of the first active layer facing away from the first gate electrode insulating layer; a second gate electrode on a side of the second gate electrode insulating layer facing away from the first active layer; and a first source electrode and a first drain electrode on the first active layer facing away from the first gate electrode insulating layer.

Array substrate, display panel, display device and method for forming array substrate

A display panel includes an array substrate and light-emitting diodes including display light-emitting diodes. A display area includes sub-pixel regions including display sub-pixel regions and backup sub-pixel regions. In each of first and second directions, the display sub-pixel regions and the backup sub-pixel regions are arranged alternately. Display anode and cathode are provided in each display sub-pixel region. Backup anode and cathode are provided in at least one backup sub-pixel region. The display anode located in one display sub-pixel region is connected to the backup anodes of at least two backup sub-pixel region, and/or, at least two backup anodes provided in one backup sub-pixel region are electrically connected to the display anodes of at least two display sub-pixel regions, respectively. A positive pin of the display light-emitting diode is bonded to the display anode, and a negative pin thereof is bonded to the display cathode.

Display device having display sub-pixel regions and backup sub-pixel regions and including anodes and cathodes, manafacturing method thereof, and display apparatus thereof

Disclosed are an electro-static discharge circuit, an array substrate, a display panel and a display apparatus. The electro-static discharge circuit includes a first transistor, a second transistor, a first switching device and a second switching device. A first end of the first transistor is electrically connected to a first level line, a second end of the first transistor is electrically connected to a signal line, a control end of the first transistor is electrically connected to a first end of the first switching device, a second end of the first switching device is electrically connected to the first level line, and a control end of the first switching device is electrically connected to the signal line.

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Xiamen, China

Shui He