Abstract: The disclosure relates to the technical field of display, in particular to a luminescent film, a preparation method thereof, and an electroluminescent device. The luminescent film comprises: a crystallized blue-light perovskite material, and halogenated amine ligand materials grafted on the crystallized blue-light perovskite material, wherein the crystallized blue-light perovskite material comprises 3D perovskite nano-crystals; and the halogenated amine ligand materials comprise a first halogenated amine ligand material and a second halogenated amine ligand material, and the first halogenated amine ligand material is different from the second halogenated amine ligand material. The disclosure is suitable for manufacturing luminescent films and electroluminescent devices.

Abstract: A method for transmitting data is provided. The method includes: receiving identification information sent by at least one display terminal device; establishing a communication connection with an operating terminal device, and acquiring display content information of the at least one display terminal device from the operating terminal device, the display content information being generated based on target display content of the at least one display terminal device, and the target display content of the at least one display terminal device being determined by the operating terminal device; and sending the display content information to the at least one display terminal device based on the identification information of the at least one display terminal device, such that the at least one display terminal device performs display based on the display content information.

Abstract: Provided is a display device. The display device includes a display panel and a microlens array disposed on a light-emitting side of the display panel, wherein the display panel includes a plurality of pixel islands in which a first pixel island displaying a first color, a second pixel island displaying a second color, and a third pixel island displaying a third color adjacent to one another form a repeating unit. In a same repeating unit, three sub-pixels at the same positions relative to their respective microlens units in the first pixel island, the second pixel island, and the third pixel island are disposed at three vertexes of a triangle respectively, and thus form a color fusion pixel. In addition, the display device further includes microlens arrays in one-to-one correspondence with the plurality of pixel islands to realize 3D display.

Abstract: Provided is a display substrate including a substrate, and a light-emitting device and an optical compensation structure which are located on the substrate. The optical compensation structure includes a photoelectric sensor, a transistor and a capacitor, and the photoelectric sensor is electrically connected to the transistor and the capacitor respectively. The photoelectric sensor includes a first electrode, a photosensitive layer located on a side of the first electrode distal from the substrate, and a second electrode located on a side of the photosensitive layer distal from the substrate; the transistor includes a source electrode, a drain electrode, a gate electrode and an active layer; and the capacitor includes a first electrode plate and a second electrode plate located on a side of the first electrode plate distal from the substrate.

Abstract: A display panel includes: a silicon-based substrate, a driving layer, a first electrode layer, an organic light emitting layer, a second electrode layer and a plurality of pads. Where, the display signal access pad is configured to access the display signal during a display phase, the test signal access pad at least includes a first group of test phase access pads, and the first group of test phase access pads includes a first pad and a second pad, the first pad is electrically connected with the electrode ring, and the second pad is electrically connected with the silicon-based substrate.

Abstract: A shift register circuit includes a denoising control sub-circuit and a denoising sub-circuit. The denoting control sub-circuit is configured to generate an alternating voltage signal according to a voltage of a first voltage terminal and a signal of a second clock signal terminal in response to a signal of a first clock signal terminal, to rectify the alternating voltage signal and then to output a signal to a first denoising control node, so that the voltage of the first denoting control node is maintained to be a voltage that enables the denoising sub-circuit to be turned on. The denoting sub-circuit is configured to denoise a scan signal output terminal in response to a voltage of the first denoising control node being the voltage that enables the denoising sub-circuit to be turned on.

Abstract: Provided are a pixel circuit and a driving method therefor, and a display apparatus. The pixel circuit includes a drive transistor, a reset circuit, a data writing circuit, a storage capacitor circuit, a threshold value compensation circuit, a conduction control circuit, a light-emitting control circuit, and a light-emitting device; the conduction control circuit is configured to: conduct the threshold value compensation circuit with the gate of the drive transistor, and conduct the reset circuit with the gate of the drive transistor at the reset stage, the threshold value detecting stage and the data writing stage; and cut off a conducting state of the threshold value compensation circuit with the gate of the drive transistor, and cut off a conducting state of the reset circuit with the gate of the drive transistor at the driving stage; where the conduction control circuit includes an oxide semiconductor thin film transistor.

Abstract: An electronic apparatus and a method for displaying an image on a display device are disclosed. The electronic apparatus includes a display device; an image acquisition device configured to acquire a surrounding image of the display device; and a processor configured to: determine a background image of the display device according to the surrounding image; acquire a target range and a target object in the background image; determine a target image according to the background image, the target range and the target object; and control the display device to display the target image, wherein the target image excludes the target object.

Abstract: A biological sheet culture device includes a scaffold, a number of culture dishes for culturing biological sheets positioned on the scaffold and at least one fluid channel configured to traverse each culture dish.

Abstract: An expression recognition method and apparatus, a computer device, and a readable storage medium are provided. The method includes: performing face key-point position detection on a face image to obtain face key-point position information; and obtaining expression class information of the face image using four cascaded convolutional modules and a trained neural network classifier according to the face image and the face key-point position information.

Abstract: The present disclosure provides a display backplane including an array substrate including at least one pixel unit each including at least one TFT; a planarization layer covering the array substrate; a pad layer including pads on the planarization layer, surface of the pad away from the planarization layer being first surface, each pixel unit being provided with one pad electrically coupled to a driving thin film transistor in a corresponding pixel unit through via hole penetrating through the planarization layer; a passivation layer covering the pad layer and including through holes, each pad corresponding to one through hole, such that the first surface of each pad is exposed through corresponding through hole, and area of top opening of through hole is smaller than area of bottom opening thereof. The present disclosure further provides a fabrication method of the display backplane, a display panel and a fabrication method thereof.

Abstract: An array substrate, a detection method for the array substrate, and a tiled display panel. In the array substrate, each of pixels (1) comprises sub-pixels (01) of at least three colors and a pixel driving chip (02) for driving each sub-pixel (01) to emit light; each sub-pixel (01) comprises at least one inorganic light-emitting diode; a display area (A1) further comprises: a positive signal line (Hm) connected to a positive electrode of each inorganic light-emitting diode, and a data signal line (Dm), a scanning line (Sn), and a reference signal line (Vm) connected to each pixel driving chip (02); each pixel driving chip (02) is used for writing signals of the data signal line (Dm) into the sub-pixels (01) of different colors under the control of the corresponding scanning line (Sn) in a time division manner.

Abstract: An embodiment of the disclosure provides an immunodetection chip, an immunodetection device and a using method. The immunodetection chip includes a substrate and a cover plate. The substrate is disposed opposite to the cover plate to form a detection chamber. One side, facing the cover plate, of the substrate is fixedly provided with substrate antibodies. An inside wall of the detection chamber is provided with a detection member. The detection member is configured to output a corresponding electrical signal while adsorbing biological magnetic beads. The substrate antibodies match with target antigens.

Abstract: Provided are a display substrate, a display apparatus and a display method therefor. The display substrate includes: a base substrate; pixel units on the base substrate; and an electrochromic structure on a side of the pixel units that is away from the base substrate. The transmittance of the electrochromic structure is positively correlated with the brightness of the pixel units when displaying an image, such that the contrast of the display substrate is improved, and the display effect is improved.

Abstract: A method of training an object detection network, an object detection method and related apparatuses are provided. The training method includes: inputting a training image into a to-be-trained object detection network to obtain detection information of a target object, where the detection information includes a detection class of the target object, a detection position of a detection box of the target object, and a detection position of a landmark of the target object; calculating a total loss function of the to-be-trained object detection network, where the total loss function is calculated according to a loss function of the detection class of the target object, a loss function of the detection position of the detection box of the target object, and a loss function of the detection position of the landmark of the target object; and adjusting a parameter of the to-be-trained object detection network according to the total loss function.

Abstract: A method for synchronizing a file includes acquiring a first synchronization instruction for a target application. The first synchronization instruction is used to instruct to synchronize a target file generated by the target application to a server of an auxiliary application, the target application is a graphics drawing application, and the auxiliary application is a product lifecycle management (PLM) application. The method includes acquiring the target file based on the first synchronization instruction and sending a second synchronization instruction carrying the target file to the server based on a target interface of a synchronization plug-in of the target application. The target interface of the synchronization plug-in is configured to communicate with the server.

Abstract: The present disclosure relates to a page presentation method, a display system, and a storage medium. The method includes presenting, on a page, a map comprising one or more virtual objects used to identify one or more corresponding electronic signs; and binding a sign content to be presented to the electronic signs corresponding to the one or more virtual objects.

Abstract: A display substrate includes a first base, touch signal lines and touch units. The touch signal lines are disposed on a side of the first base, and lengths of at least two touch signal lines decrease in sequence. The touch units are disposed on a side of the touch signal lines away from the first base, and a touch unit is electrically connected to a touch signal line. Resistances of at least two touch units increase in sequence, and the at least two touch units in an increase order of the resistances in sequence are electrically connected to the at least two touch signal lines in a decrease order of the lengths in sequence, respectively. The touch units each include a touch electrode, and at least one of the at least two touch units further includes an auxiliary electrode stacked with and electrically connected to a touch electrode.

Abstract: The embodiments of the present disclosure provide an array substrate and a method for manufacturing the same, and a display device. The array substrate includes a substrate, wherein the substrate has a display region and a peripheral region surrounding the display region, the display region has a plurality of pixels arranged in an array, and each of the plurality of pixels includes a light transmission region and a light shielding region, and a light shielding block covering at least a part of the light transmission region of at least one pixel close to the peripheral region of the plurality of pixels.

Abstract: The present disclosure provides a line drive signal enhancement circuit, a shift register unit, and a display panel, and relates to the technical field of display. The line drive signal enhancement circuit includes a control unit, an inverter unit, a first output unit and a second output unit. The control unit has a first peripheral control terminal and a second peripheral control terminal respectively loaded with two inverted signals, and the input terminal is electrically connected with the first power supply lead. The first output unit and the second output unit both have two input terminals. The two input terminals are respectively electrically connected with the first power supply lead and the second power supply lead. The output terminal of the control unit is electrically connected with the control terminal of the first output unit and/or the control terminal of the second output unit.