Shanghai Tianma Micro-electronics Co., Ltd.

Tianma Micro-electronics Co., Ltd.

Hubei Yangtze Industrial Innovation Center of Advanced Display Co., Ltd.

Xiamen Tianma Micro-electronics Co., Ltd.

Shanghai Tianma Am-oled Co., Ltd.

Wuhan Tianma Micro-electronics Co., Ltd

Shanghai Avic Opto Electronics Co., Ltd.

Other

Yingteng Zhai

Feng Lu

Yong Wu

Haijing Chen

Gang Liu

Tianyi Wu

Qijun Yao

Yong Yuan

Liang Liu

Guofeng Zhang

Yuan Yuan Ding

Ming Yang

Shaolong Ma

Jun Ma

Jun Zhang

Jieliang Li

Jujian Fu

Yuheng Zhang

Jialing Li

Chuanli Leng

Shui He

Wenxin Jiang

Wanming Huang

Liang Xing

Zaiwen Zhu

Zhenying Li

Qitai Ji

Takatori Kenichi

Hong Lin

Chenhang Sheng

Xiaoxiang He

Haga Hiroshi

Yongxiang Lin

A display panel, a display device and a method for driving a display panel are provided. The display panel includes N types of display areas which includes an i-th type display area and a j-th type display area. The display panel includes M display parts which include a first display part and a second display part. The first display part includes at least one i-th type display area, and the second display part includes at least one i-th type display area. At least one j-th type display area is arranged between the i-th type display area included in the first display part and the i-th type display area included in the second display part. Light-emitting time periods of the i-th type display area and the j-th type display area at least partially do not overlap, to reduce the number of sub-pixels driven at the same time period.

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

Provided are a display panel and a display device. The display panel includes at least one light-transmitting region block. Each light-transmitting region block includes R*S light-transmitting regions arranged in R rows and S columns, R is an integer greater than or equal to 2, and S is an integer greater than or equal to 2. In each light-transmitting region block, S light-transmitting regions located in the same row are S types of different light-transmitting regions, and R light-transmitting regions located in the same column are R types of different light-transmitting regions. In the light-transmitting region block, adjacent light-transmitting regions are different types of light-transmitting regions. Thus, a fixed grating will not be formed from the adjacent light-transmitting regions so that the optical paths or phase differences are different when external light passes through two different light-transmitting regions.

Display panel and display device

A pixel circuit, a display panel and a display device. The pixel circuit includes drive transistor, storage capacitor, compensation circuit, and voltage controller. The drive transistor has a gate electrode connected to a first node and generates a drive current in a light-emitting phase of an operation cycle of the pixel circuit. The storage capacitor has a first plate connected to the first node and a second plate connected to a second node and stores a data voltage inputted to the gate electrode of the drive transistor. The compensation circuit has an output terminal connected to the second node and a first input terminal receiving a first power supply voltage and compensates a deviation of the first power supply voltage affecting the drive current. The voltage controller is connected to the second node and controls a fluctuation of a voltage of the second node prior to the light-emitting phase.

Pixel circuit, display panel and display device

Provided are a display panel and a display device. The display panel includes a first light-emitting element, a second light-emitting element, a first driver circuit and a second driver circuit. The first driver circuit is electrically connected to the first light-emitting element and configured to provide a first drive current to the first light-emitting element to control the first light-emitting element to emit light, and the second driver circuit is electrically connected to the second light-emitting element and configured to provide a second drive current to the second light-emitting element to control the second light-emitting element to emit light.

Provided are a display panel and a display device. In an embodiment, the display panel includes: a substrate; pixel circuit islands provided at a side of the substrate, one of the pixel circuit islands includes at least one pixel circuit; light-emitting elements provided at a side of the pixel circuit islands away from the substrate and respectively electrically connected to the pixel circuits of the pixel circuit islands; and light-blocking structures including at least one of a reflective structure or a light-absorbing structure. In an embodiment, the light-blocking structures include first light-blocking structures, each of which is provided on at least one sidewall of one pixel circuit island of the pixel circuit islands. In an embodiment, the first light-blocking structure prevents light out of the pixel circuit island from entering the pixel circuit island through the sidewall of the pixel circuit island.

A display panel includes a first substrate, a second substrate, a light emitting element, and a first conductor. The second substrate is arranged opposite to the first substrate. The light emitting element is located on a side of the first substrate facing towards the second substrate. The first conductor is located on a side of the first substrate facing towards the second substrate.

Provided are a light emission control circuit, a display panel and a display device. The light emission control circuit includes a first control module configured to control the potential of a first node and the potential of a second node according to an input signal of a signal input terminal, a first clock signal of a first clock terminal and a second clock signal of a second clock terminal; a second control module configured to control the potential of a third node under control of the first control module, the first clock signal, the second clock signal, a first level signal of a first level terminal and a second level signal of a second level terminal; an output module configured to control, according to the first level signal and the potential of the first node, a signal output terminal to output the enable level of a light emission control signal.

Light emission control circuit, display panel and display device

Provided are a display panel and a display device. The display panel includes a first light-emitting element, a second light-emitting element, a first driver circuit and a second driver circuit. The first driver circuit is electrically connected to the first light-emitting element and configured to provide a first drive current to the first light-emitting element to control the first light-emitting element to emit light, and the second driver circuit is electrically connected to the second light-emitting element and configured to provide a second drive current to the second light-emitting element to control the second light-emitting element to emit light. At least at a maximum grayscale, an average current value of the first drive current is greater than an average current value of the second drive current.

Display panel having different light-emitting elements

Provided are a pixel driving circuit, a driving method thereof, a display panel and a display device. The pixel driving circuit includes a pulse-width adjustment module, an amplitude adjustment module and a light-emitting element. The pulse-width adjustment module is electrically connected to a sweep signal terminal and includes a pulse-width drive transistor. The pulse-width drive transistor is configured to supply a sweep signal supplied from the sweep signal terminal to the amplitude adjustment module. The amplitude adjustment module is configured to control the light emission duration of the light-emitting element according to the sweep signal. In the provided pixel driving circuit, driving method thereof, display panel and display device, a switching-off voltage for switching off the amplitude adjustment module does not need to be supplied additionally, thereby reducing the circuit complexity of a pixel driving circuit.

Pixel driving circuit, driving method thereof, display panel and display device

A stretchable display panel and a display device are provided in the present disclosure. The stretchable display panel includes a plurality of display islands arranged in an array and a plurality of stretch bridges each connecting to two adjacent display islands, and further includes a display function layer and a touch control electrode layer. The display function layer and the touch control electrode layer are both disposed on a display island of the plurality of display islands; and an orthographic projection of the touch control electrode layer on the display island at least partially surrounds an orthographic projection of the display function layer on the display island.

Stretchable display panel and display device

The disclosure provides a touch display device, a touch display panel, a touch display panel and a driving method. The touch display panel includes a first substrate, multiple micro light emitting devices, multiple micro driving devices and multiple touch driving electrodes. Each micro driving device corresponds to the multiple micro light emitting devices to drive the multiple micro light emitting devices to emit light. At least one touch driving electrode corresponds to at least one micro driving device. The touch driving electrode receives a signal transmitted to a corresponding micro driving device as a touch driving signal, or, the touch driving electrode receives a signal outputted by the corresponding micro driving device as the touch driving signal. Therefore, there is no need for a main driver chip to provide the touch driving signal to the touch driving electrode. Thus, the power consumption of the main driver chip is greatly reduced.

Touch display device, touch display panel, array substrate and driving method

A display panel and a display device are provided. The display panel includes an array substrate and a pixel array. The pixel array includes a plurality of subpixels, each of which includes at least one light-emitting diode that includes a first electrode and a second electrode. The array substrate includes a first power supply structure, a second power supply structure, and a plurality of pixel circuits. The first power supply structure is electrically connected to the first electrode of the light-emitting diode by the pixel circuits, and the second power supply structure is electrically connected to the second electrode of the light-emitting diode. At least one of the first power supply structure and the second power supply structure includes at least one common electrode.

Display panel including at least one power supply structure including common electrode configured to have predetermined area, and display device

Provided is a light-emitting element control circuit, a display panel and a display device. The light-emitting element control circuit includes a current source and at least one light-emitting unit, and the at least one light-emitting unit is connected in series to the current source. The at least one light-emitting unit each includes a first branch and a second branch which are connected in parallel. The first branch includes a first gating unit and a light-emitting element which are connected in series, and the second branch includes a second gating unit. The light-emitting element control circuit provided by the present application enables the current provided by the current source to pass through one of the first branch and the second branch in an active-selection mode, and meanwhile generation of photo-generated carriers in the light-emitting element can be avoided, thereby improving the display effect.

Light-emitting element control circuit, display panel and display device

A stretchable display panel and a stretchable display device are provided. The stretchable display panel includes a stretchable substrate including island structures and bridge structures, and two adjacent island structures are connected by the bridge structure. The island structure includes a first carrier substrate and a first display layer including a pixel unit, and the bridge structure comprises a second carrier substrate and a second display layer including a signal line. The bridge structure has a first cross section perpendicular to a plane of the second carrier substrate and perpendicular to an extending direction of the bridge structure. A maximum width Wof the first cross section in a first direction is smaller than or equal to maximum thickness Hof the bridge structure in the direction perpendicular to the plane, and the first direction is parallel to the plane and perpendicular to the extending direction.

Growing community of inventors

Shanghai, China

Yingteng Zhai