Boe Technology Group Co., Ltd.

Beijing Boe Technology Development Co., Ltd.

Xinbin Han

Hui Zhao

Xinshe Yin

Guangliang Shang

Jianchao Zhu

Hualing Yang

Baoyun Wu

Shiming Shi

Xiyu Zhao

Kaimin Wang

Xin Wang

Libin Liu

Yang Yu

Ziyang Yu

Pan Zhao

Yuanzhang Zhu

Mengyang Wen

Xuesong Tian

Yao Liang

Rui Xu

A control method for a display panel includes: converting gray data of a display picture into a gray voltage at a first refresh frequency; calculating an average gray voltage of the display picture according to the gray voltage of the display picture; determining, according to the average gray voltage of the display picture, a display parameter matched with the display picture; and outputting a control signal of the display picture to the display panel, according to the display parameter matched with the display picture. The control signal includes at least one of the followings: a data keep signal, and an anode reset signal of a light emitting element of the display panel.

Control method and apparatus for display panel, and display apparatus

The present disclosure provides a display control method, a display control unit and a display device. A display period includes a refresh stage and a maintaining stage arranged one after another in a case where a refresh rate of the display panel is decreased from a first refresh rate to a second refresh rate, the maintaining stage includes one or more light-emission control time periods independent of each other, and the display control method includes: at the maintaining stage, stopping receiving, by a plurality of pixel circuits arranged in rows in the display panel, a corresponding data voltage sequentially under the control of a corresponding written-in control signal.

Display control method, display control unit and display device

A touch display panel and an electronic product. The touch display panel includes a display substrate, a first conductive layer, a touch insulation layer, a second electrode layer, and a shielding conductive pattern; the display substrate includes a signal line, a first electrode layer and a second electrode layer; the first conductive layer includes a touch conductive structure, which includes touch electrodes, the first electrode layer includes first electrodes, and the second electrode layer includes a plurality of second electrodes; an orthographic projection of the shielding conductive pattern on the base substrate overlaps with that of the signal line and that of at least one of the plurality of touch electrodes respectively, the shielding conductive pattern is located in the first conductive layer and insulated from the touch conductive structure, or the shielding conductive pattern is located in the second electrode layer and insulated from the second electrode.

Touch display panel and electronic product

A control method of a display panel. The method includes the following steps: determining a target refresh frequency of the display panel; determining a data chopping rule adapted to the target refresh frequency according to the first mapping relationship; providing a data signal to the display panel according to a data chopping rule.

Control method and control apparatus for display panel, and display apparatus

A current detection device for detecting a current on the sense line, and compensating for a grayscale of a pixel in accordance with a difference in the detected currents, so as to provide the pixels with uniform brightness. An integration operation is performed on a sense line through an integration sub-circuitry to obtain an output voltage, and the current on the sense line is determined in accordance with the output voltage.

Current detection device

A light detection module, a light detection method and a display device are provided. The light detection module includes N light sensing circuits, a control circuit, a conversion circuits and a detection circuits; N being a positive integer; the N light sensing circuits respectively sense light signals of different colors to generate corresponding photocurrents; the control circuit is configured to control to provide the photocurrents generated by the light sensing circuits to the conversion circuit in a time division manner, and to control a transfer coefficient of the conversion circuit; the conversion circuit is configured to convert the photocurrent according to the transfer coefficient to obtain an analog output voltage; the detection circuit is configured to obtain characteristics of the light signal according to the analog output voltage.

Light detection module, light detection method and display device

A photocurrent amplification circuit, an amplification control method, an optical detection module and a display apparatus are provided, where the photocurrent amplification circuit includes a photoelectric sensor, a compensation circuit, a reset circuit, an energy storage circuit and a drive circuit, and the photoelectric sensor is configured to sense the optical signal and convert the optical signal into the photocurrent signal; the compensation circuit controls the communication between the control terminal of the drive circuit and the first terminal of the drive circuit under the control of the compensation control signal; the reset circuit controls the communication between the first voltage terminal and the control terminal of the drive circuit under the control of the reset control signal.

Photocurrent amplification circuit, amplification control method, optical detection module and display apparatus

A display controller, a display device, a display system, and a control method are provided. The display controller includes: a flag-signal circuit configured to send a flag-signal to an application processor; an image processing circuit configured to obtain second current image data in response to receiving first current image data from the application processor, wherein the first current image data is sent by the application processor in response to receiving the flag-signal sent from the flag-signal circuit; and a drive circuit configured to generate a first drive control signal in response to receiving the second current image data from the image processing circuit.

Display controller, display device, display system, and control method

A sampling circuit includes: a first input terminal, a second input terminal, a first voltage acquisition sub-circuit, and a current integrating sub-circuit. The first voltage acquisition sub-circuit is coupled to the first input terminal and the current integrating sub-circuit, and is configured to acquire a first voltage of the first input terminal and transmit the first voltage to the current integrating sub-circuit. The current integrating sub-circuit is further coupled to the second input terminal, and is configured to, generate and output a second voltage according to the first voltage and an integral of a driving current transmitted to the current integrating sub-circuit through the second input terminal over time, and output the first voltage in response to an integral control signal received by the current integrating sub-circuit.

Sampling circuit and driving method thereof, pixel sampling circuit, and display apparatus

A display panel includes sub-pixels and set voltage generation circuit(s); each sub-pixel includes a pixel driving circuit and a first light-emitting device, the pixel driving circuit includes at least a driving transistor and a sensing transistor, a first electrode of the sensing transistor is electrically connected to a sensing signal terminal; an output terminal of a set voltage generation circuit is electrically connected to a sensing signal terminal of at least one sub-pixel; the set voltage generation circuit is configured to generate a set voltage signal and transmit it to a sensing transistor of the at least one sub-pixel and a second electrode of a driving transistor of the at least one sub-pixel in a sensing period; and a voltage of the set voltage signal is substantially equal to a voltage of the second electrode of the driving transistor of the at least one sub-pixel in the driving period.

Display panel, display apparatus, and current sensing method for pixel driving circuit of display apparatus

Disclosed in the embodiments of the present disclosure are a current detection device and a display device. The current detection device includes: a plurality of detection circuits; the detection circuit includes: a feedback compensation circuit and a current detection circuit; and the feedback compensation circuit is configured to generate a noise inversion signal by inverting a noise AC signal generated on the predetermined power line in the display panel and to provide the noise inversion signal to a first end of the current detection circuit; and the current detection circuit is configured to output a detection signal to the signal output end according to the noise inversion signal, the signal on the detection line and the signal of the reference voltage end.

Current detection device and display device

The present application relates to the field of display technologies, and in particular, to display substrate devices. One of the described display substrates comprises: a flexible substrate; a pinhole array configured to transmit light on the flexible substrate; at least one curved electrode responsive to bending of the flexible substrate around the pinhole array on the flexible substrate; and a plurality of detecting lines; wherein the at least one curved electrode comprises a plurality of curved sub-electrodes connected in series; and at least one of the plurality of curved sub-electrodes is coupled to one of the plurality of detecting lines.

Flexible displays with curved electrodes, display devices and control methods thereof

The present disclosure relates to an electroluminescent device, a touch panel and a touch display device. The electroluminescent device includes: an array substrate, a first electrode layer, an electroluminescent layer and a second electrode layer. The electroluminescent device further includes a force sensing layer electrically coupled to the first electrode layer and the second electrode layer; wherein the force sensing layer is a strain resistance material layer which outputs a voltage signal under driving of a power supply voltage provided by the first and second electrode layers.

Electroluminescent device, touch panel, and touch display device

A display device, a power supply circuit and a power supply method are provided. The power supply circuit includes a control sub-circuit and a delay sub-circuit. The control sub-circuit is configured to provide a first preset voltage and a second preset voltage and output the first preset voltage to a first power supply terminal; and delay sub-circuit is configured to delay the second preset voltage and output the delayed second preset voltage to a second power supply terminal.

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Beijing, China

Xinbin Han