Shanghai Tianma Am-oled Co., Ltd.

Tianma Micro-electronics Co., Ltd.

Seeya Optronics Co., Ltd.

Sabic Global Technolgoies B.v.

Wuhan Tianma Micro-electronics Co., Ltd

Shanghai Tianma Micro-electronics Co., Ltd.

Shanghai Institute of Pharmaceutical Industry

Seeya Optronics, Ltd.

Dow Global Technolgoies LLC

L'air Liquide Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude

Shpp Global Technologies B.v.

Tong Wu

Dong Qian

Yue Ping Li

Dongxu Xiang

Gang Liu

Renyuan Zhu

Zeyuan Chen

Ping-lin Liu

Chao Dai

Qi Li

Tieer Gu

Chang-ho Tseng

Yegang Lin

Yan Li

Bin Li

Ying Liu

Ying Nan Li

Robert F Eaton

Geoffrey David Brown

Manish K Mundra

Tong Zhang

Wei Shan

Ying Li

Xiangyang Tai

Mingcheng Guo

Wenhui Zou

Sijie Yang

Yangang Yan

Quanhai Liu

David Zou

Michael James Newman

Yaqin Zhang

Jiru Meng

Wei Feng

Yunan Cheng

Yongyong Yang

Liang Wen

Yuxian An

Kawai Peter Pang

Yan Qin

Siguang Jiang

Will Li

Jiwen Wang

Zhiru Xu

Mingfeng Li

Mahari Tjahjadi

Jing Given Chen

Qiang Ji

Min-yu Liu

Zhijun Jiang

Xueming Lian

Peter Vankampen

David Xiangping Zou

Provided are an overcurrent protection circuit and a display device, where the overcurrent protection circuit includes a drive transistor, an operational amplifier, a buffer, a peak current detector, and a peak current controller; the output terminal of the operational amplifier is connected with the buffer, and the operational amplifier controls the drive transistor through the buffer; the output terminal of the peak current controller is electrically connected with the gate control terminal of the buffer; when the peak current detector does not detect an overload current, the peak current detector controls the operational amplifier to control the gate of the drive transistor; when the peak current detector detects an overload current, the peak current detector controls the peak current controller to control the gate of the drive transistor to maintain the overcurrent protection circuit to work.

Overcurrent protection circuit and display device

Provided are a pixel driving circuit, a method for driving the pixel driving circuit, a silicon-based display panel and a display device. The pixel driving circuit is used for driving a light-emitting element to emit light. At an initial stage, a reset circuit provides a reset signal to a third node; a light emission control transistor is in a first on state to transmit the reset signal to a second node; a threshold compensation circuit transmits the reset signal to a first node; and a data write circuit transmits a non-enable level Vofs of a data signal to a second terminal of a first capacitor. At a threshold compensation stage, the threshold compensation circuit provides a threshold voltage of a drive transistor to the first node for compensation.

Pixel driving circuit, method for driving the pixel driving circuit, silicon-based display panel and display device

Provided are a pixel circuit, a method for driving the pixel circuit, and a display panel. The pixel circuit includes a drive transistor including a gate terminal, a source terminal, a drain terminal, and a body terminal, where the source terminal is connected to a first power line, the body terminal is connected to a second power line, and the gate terminal of the drive transistor is connected to a gate potential control circuit; the first power line is configured to provide a first voltage or a second voltage, where the first voltage is higher than the second voltage; and the second power line is configured to provide the fixed first voltage.

Pixel circuit, method for driving the pixel circuit and display panel

Provided are a shift register, a display panel, a driving method, and a display device. The shift register includes a plurality of shift register units that are cascaded, where each of the plurality of shift register units includes a latch circuit, at least one scan switch circuit and at least one light emission control switch circuit; where the latch circuit is configured to, in response to a clock signal inputted by a clock signal input, latch an upper-stage shift signal inputted by an upper-stage shift signal input and output the upper-stage shift signal through a lower-stage shift signal output; each of the at least one scan switch circuit is configured to, in response to a lower-stage shift signal outputted by the lower-stage shift signal output, output a scan signal inputted by a scan signal input through a scan signal output.

Shift register, display panel including voltage range adjustment unit, driving method, and display device

Provided is a display panel. The display panel includes a substrate, a plurality of sub-pixels and at least one multivoltage supply circuit; where each of the plurality of sub-pixels includes a pixel circuit and a light-emitting element; and the pixel circuit includes an initialization circuit, a data writing circuit, a drive circuit, a threshold compensation circuit, a first light-emission control circuit and a storage circuit; where the first light-emission control circuit controls the drive circuit to generate a drive current which flows into the light-emitting element in a light emission stage; and the at least one multivoltage supply circuit supplies a reset signal to a first terminal of the storage circuit in the initialization stage and a first stage and supplies a first power signal to the first terminal of the storage circuit in a second stage.

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

A display panel comprises a reset module, a data-writing module, a driving transistor, a light-emitting control module, a first memory module and a first signal module. The reset module is configured to provide a reset signal to an anode of a light-emitting element through a light-emitting control module. The first signal module is configured to provide a data voltage signal to the data-writing module in a data-writing stage to write the data voltage signal to a gate electrode of the driving transistor and a first end of the first memory module through the data-writing module and provide a data current signal to the driving transistor in the data-writing stage to compensate a threshold voltage of the driving transistor to the second node. The light-emitting control module controls a driving current generated by the driving transistor to flow into a light-emitting element to drive the light-emitting element to emit light.

Display panel, driving method and display device

Provided are a pixel circuit, a silicon-based display panel, and a display device. The pixel circuit includes a pixel drive circuit and a pixel compensation circuit; the pixel drive circuit includes a drive transistor and an organic light-emitting element; the drive transistor includes an output terminal and a body terminal, where the output terminal is connected to an anode of the organic light-emitting element, and the body terminal is connected to a body signal input terminal and configured to receive a body potential inputted from the body signal input terminal, the body potential being fixed; and a cathode of the organic light-emitting element is connected to the pixel compensation circuit at a first node, a potential of the first node is a cathode potential, and the cathode potential V, a crossover voltage Vof the organic light-emitting element, and the body potential Vsatisfy that V+V&#x3e;V.

Pixel circuit, silicon-based display panel, and display device

Provided are a pixel circuit, a silicon-based display panel, and a display device. The pixel circuit includes a pixel drive circuit and a pixel compensation circuit; the pixel drive circuit includes a drive transistor and an organic light-emitting element; the drive transistor includes an output terminal and a body terminal, where the output terminal is connected to an anode of the organic light-emitting element, and a cathode of the organic light-emitting element is connected to a cathode signal input terminal and configured to receive a cathode potential inputted from the cathode signal input terminal, the cathode potential being fixed; the body terminal is connected to the pixel compensation circuit at a first node, and a potential of the first node is a body potential; and the cathode potential V, a crossover voltage Vof the organic light-emitting element, and the body potential Vsatisfy that V+V&#x3e;V.

Provided is a pixel compensation circuit, which includes a signal amplification circuit, a signal storage circuit, a comparison calculation circuit and a signal compensation circuit. The signal amplification circuit collects an anode potential of an organic light emitting element and a driving current, such that the signal storage circuit can determine a threshold voltage of the driving transistor and a preset gray-scale voltage based on the anode potential and the driving current. The comparison calculation circuit calculates a compensation voltage required for the pixel while actually operating based on the threshold voltage, the anode potential and the preset gray-scale voltage. Thus, when a display gray-scale voltage is inputted, it can be compensated using the compensation voltage and then outputted to a gate of the driving transistor, such that the driving transistor can drive the organic light emitting element to emit light.

Pixel compensation circuit

A organic light-emitting diode (OLED) on Silicon product includes a circuit board, a central control board and an OLED on Silicon display panel located on the circuit board. A core control module and a timing control module are integrated in the central control board. The OLED on Silicon display panel has a display region, a gate row driving region, a source signal driving region, and a bonding region. OLED display pixels are provided in the display region. A gate row driving circuit is integrated in the gate row driving region. A source signal driving circuit is integrated in the source signal driving region. The bonding region is a region where the OLED on Silicon display panel is bound to the central control board. The OLED on Silicon product simplifies the processing process, reduces the cost and overall size of the product, and increases the area proportion of the display region.

OLED on silicon product with separated central control board

An AMOLED display panel includes a pixel display array including a plurality of pixel circuits arranged in an array. A gate driving circuit is adapted to provide a gate scan signal to the pixel circuits. The gate scan signal is used to control an operation stage of the pixel circuits. A source driving circuit is provided with a digital video signal and adapted to generate a data voltage in accordance with the digital video signal. The data voltage is used to control a light-emitting state of a light-emitting element in the plurality of pixel circuits. The pixel display array, the gate driving circuit and the source driving circuit are integrated on the same chip substrate. The source driving circuit is adapted to be coupled to a panel control circuit external to the chip substrate.

AMOLED display panel and image display device

Polymer compositions having improved electromagnetic (EMI) shielding properties under high temperature are disclosed. The polymer compositions comprise a thermoplastic polymer, stainless steel fiber, and optionally one or more of glass fiber, a conductive filler, a second polymer, and other additives. The disclosed compositions maintain heat resistance and other mechanical properties under high temperatures.

Polymer compositions having improved EMI retention

The present application discloses an organic light emitting display panel, a driving method thereof and an organic light emitting display apparatus. The organic light emitting display panel comprises: a pixel array, comprising pixel regions in M rows and N columns; a plurality of pixel driving circuits each comprising a light emitting diode and a driving transistor for driving the light emitting diode, the light emitting diode being arranged in one of the pixel regions; and a plurality of pixel compensation circuits, each configured to provide a compensated light emitting control signal for a gate of the driving transistor to correct brightness of the light emitting diode in one of the plurality of pixel driving circuits. According to the present disclosure, the final light emitting current may be unrelated to the threshold voltage of the driving transistor, the carrier mobility and aging of the light emitting diode.

Organic light emitting display panel, driving method thereof and organic light emitting display apparatus

An organic light-emitting display panel, a driving method and an organic light-emitting display device are provided. The organic light-emitting display panel includes a first pixel driving circuit, and a second pixel driving circuit disposed adjacent to the first pixel driving circuit along a row direction of a pixel matrix. The first pixel driving circuit is connected to a first scanning signal line, and the second pixel driving circuit is connected to a second scanning signal line. The first and the second pixel driving circuits share a same data line. The same data line is configured to time-sharingly provide an initialization signal to the first and the second pixel driving circuits, time-sharingly detect threshold voltages of driving transistors in the first and the second pixel driving circuits, and time-sharingly provide a compensated data signal to the first and the second pixel driving circuits.

Organic light-emitting display panel and driving method thereof, and organic light-emitting display device

An organic light-emitting display panel, a driving method, and an organic light-emitting display device are provided. The organic light-emitting display panel comprises a plurality of pixel driving circuits, wherein a pixel driving circuit includes a first scan signal terminal and a second scan signal terminal; a light-emitting signal terminal, a data signal terminal, an initialization signal terminal, a first voltage terminal, and a second voltage terminal; a driving module comprising a driving transistor and a first capacitor having two electrode plates electrically connected to a gate electrode and a first electrode of the driving transistor, respectively; an initialization module comprising a first transistor, a first electrode, and a second electrode electrically connected to a second electrode of the driving transistor; a data writing module electrically connected to the gate electrode of the driving transistor; a light-emitting control module; and an organic light-emitting element.

Organic light-emitting display panel and driving method thereof, organic light-emitting display device

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Shanghai, China

Tong Wu