Boe Technology Group Co., Ltd.

Ordos Yuansheng Optoelectronics Co., Ltd.

Beijing Boe Optoelectronics Technology Co., Ltd.

Zhanjie Ma

Tuo Sun

Lujiang Huangfu

Liang Sun

Minghua Xuan

Bo Wang

Lintao Zhang

Ying Wang

Zheng Liu

Chun Long Wang

Yinan Liang

Hui Tian

Zhiliang Wang

Yongming Shi

Hongfei Cheng

Yong Qiao

Xinyin Wu

Chunping Long

Dongfang Wang

Xueguang Hao

Jun Cheng

Xinshe Yin

Lei Shi

Chunsheng Jiang

Xiaohui Liu

The present application discloses a pixel circuit of a photo detector panel. The pixel circuit includes a reset sub-circuit for resetting voltages at a first node and a second node, a photoelectric-conversion sub-circuit coupled to the first node and configured to convert an optical signal to a first voltage at the first node, a compensation sub-circuit coupled between the first node and the second node and configured to store the first voltage and determine a second voltage at the second node. The pixel circuit further includes an integration sub-circuit coupled to the first node and to determine a third voltage at the second node to be applied to a gate of a driving transistor to generate a current flowing from an input port provided with a bias voltage to an output port. The current is substantially independent from a threshold voltage of the driving transistor and the bias voltage.

Photo-detection pixel circuit, a detector panel, and photoelectric detection apparatus

A photoelectric detection circuit and a photoelectric detector are provided. The photoelectric detection circuit includes a first photoelectric sensing element and a second photoelectric sensing element, and an electrical characteristic of the first photoelectric sensing element is substantially identical to an electrical characteristic of the second photoelectric sensing element; the first photoelectric sensing element outputs a first sensed electrical signal, and the second photoelectric sensing element outputs a second sensed electrical signal; a polarity of the first sensed electrical signal is opposite to a polarity of the second sensed electrical signal, and an amplitude value of the first sensed electrical signal is substantially identical to an amplitude value of the second sensed electrical signal.

Photoelectric detection circuit and photoelectric detector

A photosensitive circuit, a driving method thereof and an electronic device are disclosed. The photosensitive circuit includes a photosensitive element and a signal acquisition circuit. The photosensitive element is configured to be able to generate a photosensitive voltage signal by changing threshold characteristic of the photosensitive element according to intensity of light incident into the photosensitive element; and the signal acquisition circuit configured to convert the photosensitive voltage signal into a photosensitive current signal.

Photosensitive circuit, driving method thereof and electronic device

A photoelectric detection circuit and a photoelectric detector are provided. The photoelectric detection circuit includes a first sub-circuit and a second sub-circuit. The first sub-circuit includes a first photoelectric sensing element, and the second sub-circuit includes a second photoelectric sensing element, and an electrical characteristic of the first photoelectric sensing element is substantially identical to an electrical characteristic of the second photoelectric sensing element, and the second photoelectric sensing element is shielded to prevent light from being incident on the second photoelectric sensing element.

Photoelectric detection circuit comprising a first photoelectric sensing element for optical signal detection and a second photosensing element with a light shield

A pixel readout circuit including a reset circuit configured to reset a first node to a first power supply voltage in response to a signal on a first scan line being active; a photodetector configured to generate, responsive to incident light, a charge signal and integrate the charge signal, the integrated charge signal causing a change in a voltage level at the first node; a photosensitive circuit configured to generate a pixel current in response to the change in the voltage level at the first node; and a switch circuit configured to transfer the pixel current to a signal readout line for readout in response to a signal on a second scan line being active.

Pixel readout circuit, method of driving the same, and image sensor

A photoelectric detection structure, a manufacturing method therefor, and a photoelectric detector. The photoelectric detection structure includes: a base substrate; an electrode strip, which is located on the base substrate; a semiconductor layer, which is located at a side of the base substrate that faces the electrode strip; an insulating layer, which is located between the electrode strip and the semiconductor layer, the insulating layer including a thickness-increased portion, and the thickness-increased portion being located on at least one edge of the electrode strip.

Photoelectric detection structure, manufacturing method therefor, and photoelectric detector

The disclosure discloses a photoelectric detector and a photoelectric detection device, the photoelectric detector includes: a photosensitive active layer () including a first surface () and a second surface () opposite to each other; a first electrode () and a second electrode () located on the first surface () of the photosensitive active layer (), and arranged spaced apart from each other; and a third electrode () located on the second surface () of the photosensitive active layer (); where the first electrode () and the second electrode () respectively contact directly with the first surface () of the photosensitive active layer (), and the third electrode () contacts directly with the second surface () of the photosensitive active layer (). The photoelectric detector can improve the contrast between light current and dark current.

Photoelectric detector and photoelectric detection device

A drive circuit, a display panel, a display device and a drive method. The drive circuit includes a plurality of shift registers; a first switch circuit connected with the shift registers, which is configured to selectively output output signals of the shift registers or a first voltage based on a first control signal and a second control signal; and a second switch circuit connected with the shift registers, which is configured to selectively output the output signals of the shift registers or the first voltage based on a third control signal and a fourth control signal. A set of shift registers can simultaneously or individually drive two display regions.

Drive circuit and drive method for foldable display panel and display device

The present disclosure provides a photosensitive circuit, a method of driving a photosensitive circuit and a display device. The photosensitive circuit includes: a first photosensitive transistor, configured to be turned on in response to a signal of a first node, to transmit a current flowing through the first photosensitive transistor to a second node and generate an induced electrical signal based on an incident light; a second photosensitive transistor, configured to be turned on in response to a first scan signal, to transmit a voltage of the first scan signal to the first node and generate an induced electrical signal based on an incident light; and a first switch, configured to be turned on in response to the first scan signal, to transmit a signal of the second node to a reading terminal. Threshold voltages of both photosensitive transistors are negatively correlated with an intensity of the incident light.

Photosensitive circuit, method of driving photosensitive circuit and display device

There provide a pixel driving circuit and driving method thereof, an array substrate and display apparatus, wherein the pixel driving circuit comprises: a data line; a gate line; a first power supply line; a second power supply line; a light emitting device connected to the second power supply line; a driving transistor connected to the first power supply line; a storage capacitor having a first terminal connected to a gate of the driving transistor and configured to transfer information including the data voltage to the gate of the driving transistor; a resetting unit configured to reset a voltage across the storage capacitor as a predetermined signal voltage; a data writing unit configured to write information including the data voltage into the second terminal of the storage capacitor; a compensating unit configured to write information including a threshold voltage of the driving transistor and information of the first power supply voltage into the first terminal of the storage capacitor; and a light emitting control unit connected to the storage capacitor, the driving transistor and the light emitting device, and configured to control the driving transistor to drive the light emitting device to emit light.

Pixel driving circuit, driving method, array substrate and display apparatus

A pixel circuit, a display panel and a driving method thereof are disclosed. The pixel circuit includes a light-emitting element, a light-emitting control circuit, a touch detection circuit and a signal line. The light-emitting control circuit is electrically connected to the light-emitting element, and is configured to drive the light-emitting element to emit light; the touch detection circuit is configured to determine whether or not a touch action occurs based on intensity of light incident onto the touch detection circuit; and the signal line is configured to be electrically connected to an input terminal of the light-emitting control circuit and an output terminal of the touch detection circuit.

Pixel circuit, display panel and driving method thereof

The present disclosure provides a photoelectric detection device and a photoelectric detection apparatus. The photoelectric detection device includes a substrate, a reflective structure provided on the substrate and a photoelectric conversion layer provided on the reflective structure, and has a plurality of pixel regions and a plurality of interval regions each provided between two adjacent pixel regions. The photoelectric conversion layer includes a pixel photoelectric conversion portion in the pixel region; the reflective structure includes a pixel reflective portion in the pixel region and an interval reflective portion in the interval region, and the interval reflective portion is configured to reflect light directed to the interval reflective portion from the pixel photoelectric conversion portion back to the pixel photoelectric conversion portion.

Photoelectric detection device and photoelectric detection apparatus

The present disclosure relates to display technology, and more particularly, to a shift register, a method for driving the shift register, a gate driving circuit and a display apparatus. The shift register comprises a pull-up module, a pull-down module and a holding module. The pull-up module is connected to the holding module and the pull-down module, an electrical connection point of the pull-up module and the pull-down module constituting an output signal terminal, and configured to pull up a signal outputted at the output signal terminal in response to a first clock signal. The pull-down module is connected to the holding module and configured to pull down the signal outputted at the output signal terminal in response to a second clock signal. The holding module is configured to hold a signal outputted from the pull-up module and the pull-down module at a fixed level.

Shift register, method for driving same, gate driving circuit

The present disclosure provides a pixel circuit, a driving method thereof, a display module, a driving method thereof and a display device. The pixel circuit includes a touch pixel driving sub-circuit. The touch pixel driving sub-circuit includes a pixel driving circuit, a control circuit and a photosensitive touch circuit. The photosensitive touch circuit outputs a touch sensing current signal. The pixel driving circuit is configured to extract a threshold voltage signal of a driving transistor, and output the threshold voltage signal. The control circuit is configured to control whether or not a touch sensing current signal output end is to be electrically connected to a touch display signal line under the control of a touch reading control end, and control whether or not a compensation signal output end is to be electrically connected to the touch display signal line under the control of a display compensation control end.

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

The present disclosure provides an array substrate including a display region and a peripheral region. The display region comprises an anode, an organic material functional layer and a cathode that are arranged on a base substrate in sequence. The peripheral region includes a plurality of touch electrode leads that is insulated from each other, and each of the touch electrode leads includes a first touch electrode lead and a second touch electrode lead. The first touch electrode lead is arranged at a top position of the array substrate relative to an upper surface of the base substrate, and electrically connected to a corresponding touch electrode arranged on a packaging substrate. The second touch electrode lead is arranged at a position close to the base substrate. A thickness of the first touch electrode lead is greater than a thickness of the cathode.

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Beijing, China

Zhanjie Ma