Boe Technology Group Co., Ltd.

Beijing Boe Display Technology Co., Ltd.

Beijing Boe Technology Development Co., Ltd.

Hefei Boe Optoelectronics Technology Co., Ltd.

Yongquan Lu

Qian Wang

Feng Jiang

Duo Zhang

Yanjie Zhang

Weimeng Zhang

Xuru Zhang

Yinghao Zhang

Dongxue Sun

Bin Zhang

Qiang Zhang

Ziqiang Guo

Dianzheng Dong

Donghui Wang

Kan Zhang

Guangxing Wang

Pengming Chen

Wenpeng Xu

Ran Jiang

Hai Kang

Yunyun Zhang

The present disclosure provides a heart sound monitoring device and a method for acquiring a heart sound signal. The heart sound monitoring device of the present disclosure includes: a plurality of heart sound sensors, configured to correspond to different heart sound auscultation positions in a region to be monitored and be capable of collecting vibration signals generated when the different heart sound auscultation positions are vibrated; and a heart sound locator, configured to determine a primary heart sound sensor and a secondary heart sound sensor in the plurality of heart sound sensors according to characteristics of the vibration signals collected by the plurality of heart sound sensors.

Heart sound monitoring device and method for acquiring heart sound signal

Disclosed are an array substrate, a display panel, a display device, and a driving method. The array substrate includes a plurality of data lines, and a plurality of columns of pixel structures which are respectively connected to the plurality of data lines in one-to-one correspondence. Each of the plurality of columns of the pixel structures includes a plurality of pixel structures. Each of the plurality of pixel structures includes two adjacent sub-pixel units and a first transistor. The sub-pixel unit includes a second transistor. The first transistor is connected to the second transistors of the two adjacent sub-pixel units and the data line respectively.

Array substrate, display panel, display device and driving method

A display panel is disclosed, including a plurality of data lines, a plurality of groups of gate lines and a plurality of pixel units. Each group of gate lines includes at least three gate lines. The pixel units are arranged in an array, each pixel unit includes a plurality of subpixels, and each subpixel includes at least two sub-subpixels. Each row of subpixels is configured to be controlled by a corresponding group of gate lines, and each column of subpixels is configured such that the at least two sub-subpixels receive a data signal from a corresponding data line under a control of each group of gate lines. A display device including the display panel is also disclosed.

Display panel and display device

A pixel circuit and driving method thereof, a display device are provided, and the pixel circuit includes a switching sub-circuit, a threshold voltage extraction sub-circuit, an initialization sub-circuit, a feedback compensation sub-circuit, a driving transistor and a light emitting device. The threshold voltage extraction sub-circuit is coupled to a control electrode of the driving transistor, and configured to extract and store a threshold voltage of the driving transistor in response to an enable signal and configured to apply the threshold voltage and a data voltage written by the switching sub-circuit to the control electrode of the driving transistor. The feedback compensation sub-circuit is coupled to a second terminal of the light emitting device and a data line, and configured to generate a data voltage compensation signal for a next display image frame according to an operating current of the light emitting device and supply it to the data line. (FIG.).

Pixel circuit, driving method thereof and display device

A pixel circuit includes a liquid crystal capacitor, a selection unit, a gray scale writing unit, and a reset unit. The selection unit is configured to determine whether to charge the liquid crystal capacitor according to a row control signal and a column control signal. The gray scale writing unit is configured to apply a gray scale voltage signal to the liquid crystal capacitor, when the selection unit determines to charge the liquid crystal capacitor, and an application duration of the gray scale voltage signal controls a gray scale level displayed by the liquid crystal capacitor. The reset unit is configured to disconnect the gray scale writing unit and the liquid crystal capacitor to stop charging the liquid crystal capacitor upon receiving the reset signal, and reset the voltage of the liquid crystal capacitor to an initial state.

Pixel circuit, display device and driving method

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Beijing, China

Yongquan Lu