Boe Technology Group Co., Ltd.

Peking University

China Enfi Engineering Corporation

Yi Cheng Lin

Cuili Gai

Pan Xu

Ling Wang

Quanhu Li

Baoxia Zhang

Yu Wang

Dong Li

Zhongyuan Wu

Xing Zhang

Ying Han

Guang Yan

Danna Song

Mingi Chu

Peng Yang

Fan Liu

Lei Yan

Zhenmin Zhang

Chien Pang Huang

Liqiong Hu

Shuangjie Feng

Rangxian Zhu

Linsheng Wang

Feizhou Zhang

Kaiwen Jiang

Hongying Zhao

Shoujiang Zhao

Wenjie Fan

Haimeng Zhao

Jinfa Yang

The present disclosure provides a light field imaging system by projecting near-infrared spot in remote sensing based on a multifocal microlens array. The light field imaging system includes a near-infrared spot projection apparatus () and a light field imaging component (), where the near-infrared spot projection apparatus () is configured to scatter near-infrared spots on a to-be-observed object to add texture information to a target image, and the light field imaging component () is configured to image a target scene light ray with additional texture information. The present disclosure can extend a target depth-of-field (DOF) detection range, and particularly, reconstruct a surface of a weak-texture object.

Light field imaging system by projecting near-infrared spot in remote sensing based on multifocal microlens array

A detection method of a pixel circuit, a driving method of a display panel, and a display device are disclosed. The pixel circuit includes a driving transistor; and the detection method of the pixel circuit includes: in the first charge cycle, applying a first data voltage to a gate electrode of the driving transistor, acquiring a first sensing voltage at a first electrode of the driving transistor within the first duration after the application of the first data voltage and before the driving transistor is switched off, and determining whether the first sensing voltage is equal to reference sensing voltage.

Detection method of pixel circuit, driving method of display panel, and display device

A display panel, a display device and a compensation method are provided. The display panel includes at least one pixel unit group, at least one sensing line, a plurality of gate lines, a plurality of first data lines and a plurality of second data lines. Each pixel unit group includes a plurality of pixel units arranged in two rows and a plurality of columns, the plurality of pixel units in each pixel unit group are connected to a same one of the gate lines, one of two pixel units in each column of each pixel unit group is connected to one of the first data lines corresponding thereto, other one is connected to one of the second data lines corresponding thereto, the plurality of pixel units in each pixel unit group are connected to a same sensing line.

Display panel, display device and compensation method

Disclosed are a pixel array substrate and a driving method thereof, a display panel, and a display device. The pixel array substrate includes a plurality of pixel units arranged in a plurality of pixel rows, and common electrodes distributed in the plurality of pixel rows. Each of the plurality of pixel units includes a light emitting element, first electrodes of light emitting elements of a plurality of pixel units in each of the plurality of pixel rows are electrically connected with each other to form a common electrode in the each of the plurality of pixel rows, and the common electrodes in the plurality of pixel rows are insulated from each other.

Pixel array substrate having common electrodes distributed in plurality of pixel rows and driving method thereof

A display panel, a display device, and a compensating method are disclosed. The display panel includes: a plurality of sub-pixels arranged in rows and columns, a plurality of data lines connected to the plurality of sub-pixels, and a plurality of sensing driving lines connected to the plurality of sub-pixels, each of plurality of the sub-pixels includes a pixel circuit; the plurality of sub-pixels constitute a plurality of pixel units, the plurality of pixel units are arranged in a plurality of rows and a plurality of columns, and each of the plurality of pixel units includes four sub-pixels; pixel circuits of the four sub-pixels are connected to a same data line of the plurality of data lines; and the pixel circuits of the four sub-pixels are connected to four sensing driving lines of the plurality of sensing driving lines in a one-to-one correspondence manner.

Display panel, display device and compensating method

A pixel circuit and a driving method thereof, and a display panel are provided. The pixel circuit includes a driving circuit, a data writing circuit, a storage circuit, an electrical compensation circuit, an optical compensation circuit. The driving circuit controls a driving current that drives a light emitting element to emit light. The data writing circuit writes a data signal to a control terminal of the driving circuit in response to a scanning signal. The storage circuit is used for storing the data signal. The electrical compensation circuit electrically connects the second terminal of the driving circuit to a first detecting terminal in response to an electrical detection enable signal. The optical compensation circuit applies an electrical signal generated according to the light emitted from the light emitting element to the second detecting terminal in response to an optical detection enable signal.

Pixel circuit and driving method thereof, and display panel

A pixel circuit unit, a driving method thereof, a display panel and a display device are disclosed. The pixel circuit unit includes a plurality of pixel drive circuits and a voltage control circuit including a first terminal and a second terminal; the first terminal is connected with a first voltage terminal to receive a first supply voltage provided by the first voltage terminal; each pixel drive circuit includes a light-emitting drive circuit including a supply voltage receiving terminal and a control terminal; the supply voltage receiving terminal is electrically connected with the second terminal, so as to allow the supply voltage receiving terminal to be capable of receiving the first supply voltage; and the voltage control circuit is configured to be disconnected in a data voltage writing stage, so that the supply voltage receiving terminal does not receive the first supply voltage in the data voltage writing stage.

Pixel circuit unit, driving method thereof, display panel and display device

An electroluminescent display substrate and a manufacturing method thereof, a display panel and a display apparatus are disclosed. The electroluminescent display substrate includes: a base substrate including a display area and a peripheral area surrounding the display area, wherein at least one OLED device is in the display area; a pixel defining layer in the display area and the peripheral area; at least one groove in the pixel defining layer in the peripheral area; wherein the at least one OLED device has a first electrode, the first electrode is on a side of the pixel defining layer away from the base substrate and extends to cover the groove.

Electroluminescent display substrate and manufacturing method thereof, display panel and display apparatus

The present disclosure provides an OLED pixel driving circuit, a driving method thereof and a display device including the same. The OLED pixel driving circuit includes: a first transistor, providing driving current to an organic light emitting diode, and comprising a first terminal, second terminal and control terminal coupled to a first node, second node and third node respectively; a power switch unit, coupled between a power supply voltage and the second node; a first switch unit, coupled between a data line and a fourth node to couple a data voltage signal from the data line to the fourth node; a second switch unit, coupled between the third node and the second node to enable the first transistor connected as a diode; a first capacitor, coupled between the fourth node and the first node; and a second capacitor, coupled between the fourth node and the second node.

OLED pixel driving circuit, driving method thereof and display device including the same

The present disclosure provides a driving method of a display device and a display device. The driving method includes: sensing threshold voltages of the driving transistors of the plurality of pixel units and calculating an external compensation value for display data signal according to the threshold voltages of the driving transistors of the plurality of pixel units; performing an internal compensation on the threshold voltage of the driving transistor through the pixel driving circuit; and superimposing the external compensation value and the display data signal, wherein a data signal obtained by the superimposing is input into the pixel driving circuit for driving the light emitting element to emit light.

Driving method of display device and display device

The present disclosure discloses a lance, including a lance head having: a first tube; a second tube, in which the first tube is fitted over the second one; and a through hole tube, in which the through-hole tube has a plurality of axial through holes, a second channel is defined by the first tube, the second tube and the through hole tube, and a first channel is defined by an inner cavity of the second tube and the plurality of axial through holes; an air inlet tube in fluid communication with the second channel; and an air inlet seat connecting with the second tube and having an air inlet channel which is in fluid communication with the first channel. The lance according to the present disclosure can spray uniform gas and can reduce energy consumption. The present disclosure also discloses a multi-fluid lance device equipped with the lance.

Lance and multi-fluid lance device equipped with the same

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Beijing, China

Yi Cheng Lin