Seeya Optronics Co., Ltd.

Seeya Optronics, Ltd.

Ping-lin Liu

Haodong Zhang

Tong Wu

Chang-ho Tseng

Chih-pu Yeh

Yanfu Huang

Dong Qian

Zhenyong Gao

Provided are a silicon-based display assembly and a display device. The silicon-based display assembly is provided with a silicon-based panel, a flexible circuit board, and a logic control board. An end of the flexible circuit board is bonded to a first bonding region of the silicon-based panel. The logic control board is disposed on the flexible circuit board. The logic control board is integrated with a timing controller module, an algorithm processing module, a first input interface module, a first output interface module, and a power module. The logic control board is configured to at least perform high-speed data receiving and high-speed data processing.

Silicon-based display assembly and display device

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 source driving circuit, a display device and a pixel driving method. The source driving circuit includes a voltage isolation circuit, a voltage follower circuit, a first voltage dividing circuit, a second voltage dividing circuit, a first switch circuit, a second switch circuit, a third switch circuit, a fourth switch circuit, a fifth switch circuit, a sixth switch circuit and a current source.

Source driving circuit, display device, and pixel driving method

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 driver chip, a display screen and a display device. The driver chip is configured to drive a silicon-based display screen, and the driver chip is composed of a bridge chip and a screen driver chip. A signal interface circuit of a first signal processing circuit in the bridge chip receives video signals of each frame of picture. A drive controller controls video signals of P pixels among the video signals of one frame of picture to be output at a first preset transmission speed to a second signal processing circuit of the screen driver chip each time. A signal processor of the second signal processing circuit in the screen driver chip converts the video signals of all of the P pixels into data drive signals and outputs at a second preset transmission speed data drive signals of Q pixels in one frame of picture to a data processing circuit each time. The data processing circuit is configured to convert the data drive signals into display driving signals, sequentially output the display driving signals to pixels in each row, and control each pixel.

Driver chip, display screen, and display device

A voltage converter comprises a current mirror circuit, a switch circuit, and a bias circuit electrically connected to a substrate of the switch circuit. When an electrical signal provided by the first electrical signal end is greater than an electrical signal provided by the second electrical signal end, the bias circuit is turned on to turn on the switch circuit, thereby an output end of the mirror current circuit outputs the electrical signal provided by the second electrical signal end. Otherwise, the output end of the current mirror circuit outputs the second voltage signal.

Voltage converter

The present disclosure describes a display panel and a circuit to generate a data signal current included thereof. The circuit further comprises a signal voltage module to generate a primary signal voltage and send to a second storage capacitor in a control module to output a data signal voltage. The second storage capacitor is coupled to a first storage capacitor and a gate of a current output transistor, so that the primary signal voltage is stored at the joint node. A threshold voltage of the current output transistor, generated by a voltage compensation module, is then added on to the gate of the current output transistor, so that an output current compensated by the threshold voltage is realized.

Circuit to generate data signal current 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

A data current generation circuit includes a data voltage generation circuit, a data voltage transmission control circuit, a compensation control circuit, a first capacitor, a first transistor and a reference voltage writing circuit. The data voltage transmission control circuit transmits a data voltage from the data voltage generation circuit to a first electrode of the first transistor; the compensation control circuit is electrically connected to a gate and a second electrode of the first transistor separately and associates a threshold voltage of the first transistor with the gate of the first transistor; the first capacitor stores a voltage of the gate of the first transistor; the reference voltage writing circuit is electrically connected to the first electrode of the first transistor and a first reference voltage output terminal separately; and the second electrode of the first transistor serves as an output of the data current generation circuit.

Data current generation circuit including a compensation control circuit, driving method, driver chip and display panel

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

Provided are a data current generation circuit, a driving method therefor, a driver chip, and a display panel, where a threshold capture module of the data current generation circuit is connected between a gate and a second electrode of a first transistor and is configured to capture a threshold voltage of the first transistor, a data voltage generation module is configured to generate a data voltage, a data voltage transmission module is connected between the data voltage generation module and a threshold voltage acquisition and superposition module and is configured to transmit the data voltage generated by the data voltage generation module to the threshold voltage acquisition and superposition module when the data voltage transmission module is turned on, and the threshold voltage acquisition and superposition module is configured to acquire the threshold voltage of the first transistor.

Data current generation circuit, driving method therefor, driver chip, and display panel

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 is a data driving circuit, including: a pixel current generation circuit including an input terminal and an output terminal and configured to generate a pixel current based on a data voltage inputted via the input terminal, wherein the output terminal of the pixel current generation circuit is configured to be connected to a pixel circuit; and a first operational amplifier including a first input terminal connected to the output terminal of the pixel current generation circuit, a second input terminal, and an output terminal. A first voltage is inputted via the second input terminal of the first operational amplifier and is positively related to the data voltage, and the output terminal of the first operational amplifier is configured to be connected to the pixel circuit; and wherein the first operational amplifier is configured to generate a bias current based on the first voltage.

Growing community of inventors

Shanghai, China

Ping-lin Liu