Shanghai Tianma Micro-electronics Co., Ltd.

Xiamen Tianma Micro-electronics Co., Ltd.

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

Other

Wuhan Tianma Micro-electronics Co., Ltd

Shanghai Tianma Am-oled Co., Ltd.

Wuhan Tianma Microelectronics Co., Ltd. Shanghai Branch

Jujian Fu

Nana Xiong

Gang Liu

Yuqi Hu

Yong Yuan

Ping An

Tianyi Wu

Xiao Chi

Shaorong Yu

Xingda Xia

Liang Xing

Hao Ding

Zhe Li

Yingteng Zhai

Quanpeng Yu

Junhui Lou

Jiaxian Liu

Linshan Guo

Zeshang He

Zhonghuan Cao

Xilie Li

A display panel includes: first and second display areas; first and second pixel circuits connected to light-emitting elements in the first and second display areas, respectively; and first pixel units and second pixel units, each first pixel unit comprising a first pixel circuit and a light-emitting element connected to the first pixel circuit, and each second pixel unit comprising a second pixel circuit and a light-emitting element connected to the second pixel circuit, wherein each first pixel unit includes the light-emitting element emitting light of a first color, each second pixel unit includes the light-emitting element emitting light of a second color, the first color is different from the second color, each first pixel unit is configured to receive a first power supply signal and a second power supply signal, and each second pixel unit is configured to receive a third power supply signal and a fourth power supply signal.

Display panel, integrated chip component and display device

Provided are display panel and display device. Display panel includes base substrate; light-emitting element located on base substrate; first electrode and second electrode both electrically connected to light-emitting element, both located on side of light-emitting element facing base substrate or on side of light-emitting element facing away from base substrate and both providing voltage signals for light-emitting element; first reflective layer located on side of light-emitting element facing base substrate, and with direction perpendicular to base substrate as projection direction, first reflective layer covering light-emitting element; and voltage signal line located on side of light-emitting element facing base substrate. First electrode and second electrode respectively include first extension part and second extension part, at least one of which is connected to voltage signal line and does not overlap first reflective layer. First electrode and second electrode normally receive voltage signals, and light-emitting efficiency of display panel is improved.

Display panel and display device

Provided display panel includes at least one pixel circuit and at least one light-emitting element. The at least one pixel circuit is configured to drive the at least one light-emitting element to emit light. The at least one pixel circuit includes a drive module and a light emission control module. The drive module is configured to generate a drive current. The light emission control module is configured to control the drive current to be transmitted to a light-emitting element in response to a light emission control signal. A display period of the display panel includes a first display stage and a second display stage, where in the first display stage, an ineffective pulse duration for the light emission control signal is T1, in the second display stage, an ineffective pulse duration for the light emission control signal is T2, and T1>T2.

A display panel and a display device are provided. The display panel includes at least one pixel circuit and a light emitting element. One pixel circuit includes a driving transistor, a second transistor, a third transistor, and a first light-emission controlling module. The second transistor is connected between a data line and a source of the driving transistor and is configured to provide a data signal. The third transistor is connected between a voltage adjusting signal line and the source of the driving transistor and is configured to provide an adjusting voltage. The first light-emission controlling module is connected between a first power supply terminal and the source of the driving transistor and is configured to provide a power supply voltage. The power supply voltage provided by the first power supply terminal is VP, and the adjusting voltage is VJ, where VP<VJ≤VP+3.5V, and/or VP+1V<VJ.

A display panel, a display device, and an optical compensation method are provided. The display panel includes a display area, a light-emitting element, a pixel circuit, and an optical detection unit. The display area includes a first display area and a second display surrounding the first display area. The light-emitting element includes a first light-emitting element in the first display area and a second light-emitting element in the second display area. The pixel circuit includes a first pixel circuit and a second pixel circuit connected to the first and second light-emitting elements, respectively. The number of the first light-emitting elements connected to the first pixel circuit is greater than that of the second light-emitting elements connected to the second pixel circuit. The optical detection unit includes a first optical detection unit for detecting the brightness of the first light-emitting element.

Display panel, display device, and optical compensation method

A pixel circuit in a display panel includes a drive transistor and a first transistor, a first terminal of the drive transistor is electrically connected to a power signal line, a first terminal of the first transistor is electrically connected to an initialization signal line; a second terminal of the first transistor is electrically connected to the drive transistor, or the second terminal of the first transistor is electrically connected to the light-emitting element; and drive modes of the display panel include a first drive mode, a second drive mode, and a third drive mode, the first drive mode corresponds to a first drive frequency Fand a first initialization signal V, the second drive mode corresponds to a second drive frequency Fand a second initialization signal V, and the third drive mode corresponds to a third drive frequency Fand a third initialization signal V.

Display panel, driving method thereof, and display device

A pixel circuit in a display panel includes a drive transistor and a first transistor, a first terminal of the drive transistor is electrically connected to a power signal line, a first terminal of the first transistor is electrically connected to an initialization signal line; a second terminal of the first transistor is electrically connected to the drive transistor or a light-emitting element; drive modes of the display panel include an i-th drive mode and a j-th drive mode, and the i-th drive mode corresponds to an i-th drive frequency Fand an i-th initialization signal V, the j-th drive mode corresponds to a j-th drive frequency F, a signal writing stage in the j-th drive mode corresponds to a j1-th initialization signal V, and a light emission holding stage in the j-th drive mode corresponds to a j2-th initialization signal V.

A pixel circuit in a display panel includes a drive transistor, a first terminal of the drive transistor is electrically connected to a power signal line; and drive modes of the display panel comprise at least a first drive mode, a second drive mode, and a third drive mode, wherein the first drive mode corresponds to a first drive frequency Fand a first power signal V, the second drive mode corresponds to a second drive frequency Fand a second power signal V, and the third drive mode corresponds to a third drive frequency Fand a third power signal V, wherein

A display panel and a display device are provided. The display panel includes pixel circuits. Each pixel circuit includes a driving transistor, a data writing circuit, a light-emitting control circuit, a threshold compensation circuit and a bias adjustment circuit. The driving transistor includes a gate electrically connected to a first node, a first terminal electrically connected to a second node, and a second terminal electrically connected to the third node, and is configured to generate a driving current. The third node is connected to a light-emitting element through the light-emitting control circuit. The bias adjustment circuit is configured to provide a signal of a bias adjustment signal terminal to the second node under control of a signal of a first scanning signal terminal in such a manner that a bias state of the driving transistor is adjusted.

Provided are a display panel and a display device. The display panel includes a pixel circuit and a light-emitting element. The pixel circuit includes a drive module and a first initialization module. The drive module is configured to generate a drive current. The first initialization module is configured to supply a first initialization voltage to a first node. The first node is connected to the light-emitting element. A first control terminal of the first initialization module is configured to transmit the first initialization voltage to the first node in response to a first scan control signal. A display period of the display panel includes a first display stage and a second display stage. In the first display stage, a total effective-pulse duration of the first scan control signal is T. In the second display stage, the total effective-pulse duration of the first scan control signal is T. T<T

Provided are a display panel and a display device. The display panel includes a display area, the display area includes transparent display regions, where film layers in at least two display regions of transparent display regions have different thicknesses, and/or the film layers in the at least two adjacent transparent regions are made of different materials.

Display panel and display device including transparent regions with different thicknesses

The application provides a display panel, integrated chip component and display device. The display panel includes: a first display area and a second display area; pixel circuits comprising first pixel circuits and second pixel circuits, the first pixel circuits and the second pixel circuits being configured to provide driving currents for light-emitting elements in the first display area and the second display area, respectively; and first pixel units and second pixel units, each first pixel unit comprising a first pixel circuit and a light-emitting element connected to the first pixel circuit, and each second pixel unit comprising a second pixel circuit and a light-emitting element connected to the second pixel circuit; wherein each first pixel unit is configured to receive a first power supply signal Vand a second power supply signal V, V>V

A display panel includes at least one pixel circuit and a light emitting element. One pixel circuit includes a driving transistor, and second and third transistors. The second transistor is connected between data line and a source of the driving transistor. The third transistor is connected between voltage adjusting signal line and the source. During a data writing phase, the second transistor is turned on, the data line provides data signal equal to VData to the source, a gate of the driving transistor receives the data signal, and voltage of the gate is VData+Vth. Vth denotes threshold voltage of the driving transistor. During a reset and adjustment phase, the third transistor is turned on, the voltage adjusting signal line provides adjusting voltage to the source, voltage of the source of the driving transistor is VJ, and the voltage of the gate remains VData+Vth. VData+Vth−VJ≤−2V.

A display panel and a display device are provided. One pixel circuit of the display panel includes a driving transistor, a second transistor, a third transistor, a reset module, and a first light-emission controlling module. The second transistor is connected between a data line and a source of the driving transistor, the third transistor is connected between a voltage adjusting signal line and the source of the driving transistor, the reset module is connected between a reset voltage input terminal and a gate of the driving transistor, and the first light-emission controlling module is connected between a first power supply terminal and the source of the driving transistor. An operation process of the display panel includes a light emitting phase, a data writing phase, a reset and adjustment phase, and a reset phase.

Provided are a display panel and a display device. The display panel includes a light-emitting element and a pixel drive circuit electrically connected to the light-emitting element. The pixel drive circuit includes a drive transistor and a first reset module. The drive transistor is configured to control a drive current. The first reset module is connected to a first node and configured to provide a first reset voltage to the first node. The light-emitting element is connected to the first node. A working mode of the display panel comprise a first drive mode. A display frame in the first drive mode includes a valid frame and an invalid frame. In the first drive mode, a first reset voltage for the valid frame is different from a first reset voltage for the invalid frame.

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Shanghai, China

Jujian Fu