Abstract: A digital microfluidic device includes a thin film transistor driving substrate. The thin film transistor driving substrate includes a first base substrate; a plurality of sample actuating units; a plurality of sample position detecting units; a dielectric insulating layer on a side of the plurality of sample actuating units and the plurality of sample position detecting units distal to the first base substrate; and a first hydrophobic layer on a side of the dielectric insulating layer distal to the first base substrate. Each of the plurality of sample actuating units includes a first electrode configured to drive transportation of a liquid droplet on the digital microfluidic device. Each of the plurality of sample position detecting units includes a photosensor configured to detect presence or absence of the liquid droplet on a position corresponding to the photosensor.
Abstract: A display driving method of a display device, a driving device and the display device are provided. The display device includes a display panel and a backlight unit. The display driving method includes: sending image information of a display image to the display panel; acquiring a scanning parameter of the display image from the image information; acquiring a driving parameter of a plurality of rows of backlight blocks based on the scanning parameter of the display image, and driving the plurality of rows of backlight blocks based on the driving parameter.
Abstract: A backlight structure is provided in embodiments of the disclosure, including: a base plate; a light guide plate, on a surface of the base plate at a side thereof and having a plurality of through-holes passing therethrough; a plurality of LED chips, on a surface of the base plate at the same side as the light guide plate, each of the plurality of LED chips being located in one-to-one correspondence within one of the plurality of through-holes of the light guide plate; a fluorescent powder filler filling the plurality of through-holes; a plurality of reflecting elements, on a first surface of the light guide plate facing away from the base plate, respectively, and covering the plurality of through-holes which open outwards at the first surface of the light guide plate, respectively; and a plurality of light extracting structures, on the first surface of the light guide plate, respectively, and configured to guide light to exit therefrom.
Abstract: A pixel structure of flat panel detection device, a flat panel detection device, and a camera system. The pixel structure of the flat panel detection device includes a photodiode configured to collect optical signals and convert the optical signals into electrical signals, the photodiode includes a positive terminal and a negative terminal, the negative terminal is connected to a bias voltage signal terminal; a signal amplification circuit, a signal input terminal of the signal amplification circuit is connected to the negative terminal of the photodiode, a signal output terminal of the signal amplification circuit is connected to a first node; a first switching transistor, a control electrode of the first switching transistor is connected to a scanning signal line, a first terminal of the first switching transistor is connected to a data signal line, and a second terminal of the first switching transistor is connected to the first node.
Abstract: A display substrate includes a base substrate, and a signal line and a pixel electrode arranged on the base substrate at different layers. The display substrate further includes a first transparent conductive pattern arranged between the pixel electrode and the signal line, a portion of the first transparent conductive pattern is arranged under the pixel electrode, a first passivation layer is arranged between the first transparent conductive pattern and the signal line, a second passivation layer is arranged between the first transparent conductive pattern and the pixel electrode, and the first transparent conductive pattern is electrically connected to a common electrode line of the display substrate.
Abstract: An array substrate, a touch panel and a manufacturing method of an array substrate are provided. The array substrate includes a base substrate and a plurality of gate lines, a plurality of data lines, a common electrode layer and a plurality of pixel units arranged in an array disposed on the base substrate. Each of the pixel units includes a plurality of sub-pixel units defined by gate lines and data lines disposed to intersect each other laterally and vertically. The common electrode layer includes a plurality of common electrode blocks that double as self-capacitance electrodes, each of the common electrode blocks is connected with at least one wire, and the wires are in the middle of sub-pixel units of a same column.
Abstract: A photo-detecting circuit including a photosensitive detector configured to accumulate photo-generated charges at a first node upon irradiation by light, a transfer circuit configured to establish a current path to the first node in response to a first scan signal being active, an integrating circuit configured to selectively operate in a first mode in which the integrating circuit operates as an integrator to integrate a photocurrent and transfer an integration result to a second node for readout or a second mode in which the first input terminal of the integrating circuit is in conduction with the second node, and a reset circuit configured to selectively supply a first voltage or a second voltage to the second input terminal of the integrating circuit as a reference voltage. The second voltage is greater than the first voltage.
Abstract: A back light unit and a display device are proposed. The back light unit includes a light guide plate and multiple light emitting diodes, wherein the multiple light emitting diodes are disposed on a light entrance surface of a side end of the light guide plate, the light entrance surface of the light guide plate is disposed with at least one groove, and the at least one groove is disposed between at least part of adjacent light emitting diodes.
Abstract: A detection device is provided and the detection device includes: a body, including a first groove and a first opening; the first opening is on a first surface of the body and in communication with the first groove; a collector, configured to be at least partially accommodated into the first groove in a rotatable manner and being capable of rotating to allow at least part of the collector to extend out of the first opening in a process of detection; a test paper supplier, disposed on the first surface and configured to provide a test paper on a side of the first opening away from the first groove in the process of detection so as to collect a detection sample; and a detector, disposed on the first surface and configured to detect the test paper that has collected the detection sample.
Abstract: A light-modulating element, a backlight module, a display device and a method for controlling the same are provided. The light-modulating element includes a first substrate and a second substrate arranged opposite to each other, and a polymer dispersed liquid crystal layer located between the first substrate and the second substrate. The light-modulating element is divided into a plurality of light-modulating zones, and the light-modulating element further includes a first electrode and a second electrode located in each of the plurality of light-modulating zone. A plurality of first electrodes located in different light-modulating zones are independently arranged, and the first electrode and the second electrode are configured to drive a deflection of polymer dispersed liquid crystal molecules in polymer dispersed liquid crystal layer.
Abstract: The present disclosure provides a light bar, a backlight assembly and a display device. The light bar includes a substrate; a first metal layer disposed on a first side of the substrate and comprising a plurality of first metal segments disposed at intervals along a length direction of the light bar; a second metal layer disposed on a second side opposite to the first side of the substrate and comprising a plurality of second metal segments disposed at intervals along the length direction of the light bar, a projection of the interval between two adjacent first metal segments on the substrate falls into projections of the second metal segments on the substrate, and a projection of the interval between two adjacent second metal segments on the substrate falls into projections of the first metal segments on the substrate.
Abstract: The present disclosure provides an optical assembly, a liquid crystal display device, and an electronic equipment. The optical assembly includes: a linear polarizer, a half-wave plate, and a quarter-wave plate stacked in sequence. An absorption axis of the linear polarizer is substantially perpendicular to a first direction, and the first direction is parallel to a surface of the linear polarizer; an angle between an in-plane slow axis of the half-wave plate and the first direction is in a range of 100° to 110°; an angle between an in-plane slow axis of the quarter-wave plate and the first direction is in a range of 160° to 170°.
September 26, 2019
December 30, 2021
BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
Xuan ZHONG, Hongliang YUAN, Jian WANG, Qi ZHENG, Wei ZHAO, Xiaojuan WU, Zhangxian CHENG, Jiaxing WANG
Abstract: A texture recognition device and a display device are provided. The texture recognition device includes a backlight element, configured to provide first backlight; a light constraint element, configured to perform a light divergence angle constraint process on the first backlight to obtain second backlight with a divergence angle within a preset angle range, the second backlight being transmitted to a detection object; and a photosensitive element, configured to detect the second backlight reflected by a texture of the detection object to recognize a texture image of the texture of the detection object.
Abstract: A pixel driving circuit for a light-emission-device-based display panel is provided, including a driving transistor coupled to a light-emission device per subpixel; a digital-driving circuit having a first input terminal configured to receive a pixel voltage signal corresponding to a grayscale level of a subpixel image to be displayed and a first output terminal coupled to a gate terminal of the driving transistor. The digital-driving circuit is configured to convert the pixel voltage signal to a digital signal and transform the digital signal to a pulse-width-modulation (PWM) signal outputted via the first output terminal to the gate terminal of the driving transistor. The PWM signal comprises a pulse width proportional to the grayscale level as a duty cycle m a period of driving the light-emitting device to display subpixel image.
Abstract: The present application discloses method for real-time processing image data based on a rendering engine. The method includes sampling a first set of data in a first pixel arrangement to be displayed as an image in a display screen with pixels in a second pixel arrangement. The method further includes creating a first model mapped with the first set of data to generate a second set of data and a second model mapped with the first set of data to generate a third set of data. Additionally, the method further includes rendering the second set of data using a first shader to output a fourth set of data and rendering the third set of data using a second shader to output a fifth set of data. Furthermore, the method includes superimposing the fourth set of data over the fifth set of data to display a sixth set of data.
Abstract: The present disclosure provides a circuit board, including a substrate on which a first conductive layer and an electronic device are disposed, wherein the first conductive layer is disposed on a first surface of the substrate, and wherein a bottom end of the electronic device is disposed on the first conductive layer through the substrate. The present disclosure provides a display device.
Abstract: A medical detection substrate and a manufacturing method thereof, a medical detection chip and a medical detection system are provided. The medical detection substrate includes: a substrate, and a detection unit on the substrate; the detection unit includes two groups of test electrodes, the substrate includes a plurality of recessed portions, and the at least two groups of test electrodes are located in the plurality of recessed portions and spaced apart by insulation bank portions. The two groups of test electrodes are insulated and spaced apart by the insulation bank portions, so as to effectively avoid a transverse interference electric field to be generated between the two groups of test electrodes, thereby effectively improving the detection accuracy and sensitivity of the medical detection substrate, and providing a reliable basis for disease diagnosis.
Abstract: Disclosed herein includes a method, an apparatus, a display device and storage medium storing computer executable instructions for positioning a gaze point. The method for obtaining a gaze point in a display device may comprise capturing a real time eye image, obtaining a real time pupil center point from the real time eye image, determining a gaze target zone based on the real time pupil center point and obtaining a gaze point on a target screen generated by the display device based on the real time pupil center point and a mapping ratio for the gaze target zone.
Abstract: A masking process and a mask set. The masking process includes: aligning a first mask with a stage carrying a substrate to be patterned; forming a first layer structure and a first overlay correction pattern on the substrate to be patterned by using the first mask; correcting with an image sensor and the first overlay correction pattern; aligning a second mask with the stage; forming a second layer structure and a second overlay correction pattern on the substrate to be patterned by using the second mask; and correcting with the image sensor and the second overlay correction pattern.
Abstract: The present disclosure provides a blacklight and a display device. The blacklight of the present disclosure includes a backlight driving circuit, which includes a plurality of first signal lines and a plurality of second signal lines, a plurality of light string regions are defined by arranging the plurality of first signal lines and the plurality of second signal lines to cross each other, and a part of the plurality of light string regions are configured to be provided with light emitting diode (LED) light strings; the first terminals of LED light strings in a same row are coupled to a same first signal line, and the second terminals of LED light strings in a same column are coupled to a same second signal line.