Abstract: The present disclosure relates to a display substrate and a method for manufacturing the same. The display substrate includes: a substrate; a first electrode located on the substrate; and a conductive convex located on the first electrode. A dimension of a cross section of the conductive convex along a plane parallel to the substrate is negatively correlated to a distance from the cross section to a surface of the first electrode.

Abstract: A transducer, a method of manufacturing a transducer, and a transducing device are provided. The transducer includes a receiving unit and a transmitting unit. The receiving unit includes a first receiving electrode, a first piezoelectric film, and a second receiving electrode which are sequentially stacked, and the receiving unit is configured to convert a first acoustic wave signal into an electrical signal by using a piezoelectric effect of the first piezoelectric film. The transmitting unit is configured to receive a control signal, which is based on the electrical signal, to transmit a second acoustic wave signal.

Abstract: The disclosure discloses a backboard, a display device, and a method for fabricating the same, and the backboard includes: a backboard body; and a plurality of LED installation mounts arranged in an array on the backboard body, wherein each of the plurality of LED installation mounts includes at least two lead-out electrodes to be connected with LED pins, and a coil structure around each of the at least two lead-out electrodes, wherein the coil structure is configured to produce a magnetic field upon being powered on. The coils can be formed on the backboard body in the backboard to absorb electrodes of LEDs to thereby position them precisely so as to transfer the LEDs in a mass manner with a high good yield ratio, and the lead-out electrodes can be powered on to thereby detect abnormally operating LEDs.

Abstract: A display substrate, a manufacturing method thereof, and a display device are provided, in the field of display technology. The display substrate includes a base substrate, and a thin-film transistor, a light-emitting device, an encapsulation structure, and a conductive film layer sequentially disposed on the base substrate in a direction away from the base substrate. Since the display substrate includes a conductive film layer on a side of the encapsulation structure away from the base substrate, when the protective film layer on the side of the conductive film layer away from the base substrate is peeled off, static electricity generated by the separation of the film layer can be released to the conductive film layer, avoiding electron transition to the active layer of the thin-film transistor in the display substrate to cause offset of the threshold voltage of the thin-film transistor. The display brightness uniformity of the display substrate can be ensured.

Abstract: A display substrate is provided. The display substrate includes a base substrate; a pixel definition structure on the base substrate; a plurality of light emitting elements respectively in a plurality of first apertures; and a reflective layer at least partially in a respective one of the plurality of first apertures and configured to reflect light laterally emitted from a respective one of the plurality of light emitting elements to exit from a light emitting surface of the respective one of the plurality of light emitting elements. The pixel definition structure includes a first pixel definition layer on the base substrate, and a second pixel definition layer on a side of the first pixel definition layer away from the base substrate. Lateral sides of the first pixel definition layer and the second pixel definition layer have different slope angles with respect to a main surface of the base substrate.

Abstract: The present disclosure provides an electrode plate, a microfluidic chip, and a method of manufacturing the electrode plate. In one embodiment, an electrode plate includes: a substrate, an electrode and a surface contact layer stacked in sequence, and a droplet inlet hole passing through the substrate, the electrode and the surface contact layer. The surface contact layer comprises a super-hydrophobic region and a hydrophilic region, and the droplet inlet hole is disposed in the hydrophilic region. The microfluidic chip includes: a first electrode plate formed by the abovementioned electrode plate, and a second electrode plate provided on a side of the first electrode plate close to the surface contact layer. The first electrode plate is provided opposite to the second electrode plate and a liquid channel is formed between the first electrode plate and the second electrode plate.

Abstract: A fingerprint identification module, a manufacturing method thereof and an electronic device are disclosed.

Abstract: A piezoelectric device includes: a base having at least one hole, a heat conductive portion disposed in the at least one hole and in contact with a wall of the at least one hole, and at least one piezoelectric sensor disposed on the base. A thermal conductivity of the heat conductive portion is greater than a thermal conductivity of the base. Each piezoelectric sensor includes: a first electrode, a piezoelectric pattern made of a piezoelectric material and a second electrode that are sequentially stacked in a thickness direction of the base.

Abstract: A display substrate includes a base, and a gate metal layer, a source-drain metal layer, and a planarization layer that are all disposed above the base. The planarization layer is disposed at a side of the gate metal layer away from the base, and the source-drain metal layer is disposed between the gate metal layer and the planarization layer. The gate metal layer includes gate electrodes, and the source-drain metal layer includes source electrodes and drain electrodes. One of the gate electrodes, a respective one of the source electrodes, and a respective one of the drain electrodes are used to form a thin film transistor. The display substrate further includes auxiliary patterns disposed on surfaces of the source electrodes and the drain electrodes facing away from the base, the auxiliary patterns are in contact with the planarization layer, and a material of the auxiliary patterns includes at least one oleophobic material.

Abstract: A driving backplane includes a base, and a pixel driving circuit, a first electrode and a first piezoelectric block that are disposed in the sub-pixel region. The pixel driving circuit is disposed on the base. The first electrode is disposed at a side of the pixel driving circuit away from the base. The first electrode includes a first sub-electrode pattern and a second sub-electrode pattern that are in a same layer and are spaced apart to be insulated from each other, and the first sub-electrode pattern is electrically connected to the pixel driving circuit. The first piezoelectric block is disposed between the pixel driving circuit and the first electrode, and the first sub-electrode pattern and the second sub-electrode pattern are in contact with the first piezoelectric block.

Abstract: Embodiments of the present disclosure provide a method for manufacturing a fingerprint recognition method, a fingerprint recognition module, and a display device. The method for manufacturing the fingerprint recognition module includes: providing a backplane; forming a bonding terminal in a bonding area of the backplane; forming a sensing electrode in a fingerprint recognition area of the backplane; forming an insulation layer cladding the bonding terminal in the bonding area, and forming a piezoelectric material layer in the fingerprint recognition area, where an orthographic projection of the piezoelectric material layer on the backplane coincides with an orthographic projection of the sensing electrode on the backplane; performing polarization processing on the piezoelectric material layer; and peeling off the insulation layer.

Abstract: A detection substrate, a preparation method thereof, a detection device and a detection method are provided. A detection substrate includes a base substrate, wherein the base substrate includes multiple through holes, and electrode columns are embedded in the multiple through holes; the base substrate comprises a detection region and a bonding pad region, the detection region includes a driving circuit, and the bonding pad region is provided with bonding pads; and the bonding pads are connected with the electrode columns through the driving circuit.

Abstract: A filter structure and a method for manufacturing the same, and a display device. The filter structure includes a base substrate and a plurality of filter units positioned on the base substrate, at least part of the filter units including a quantum dot filter layer. The filter units further include a reflective structure whose orthographic projection on the base substrate surrounds the orthographic projection of the quantum dot filter layer on the base substrate. A distance between a plane of the reflective structure away from the base substrate and the base substrate is greater than a distance between a plane of the quantum dot filter layer close to the base substrate and the base substrate.

Abstract: The disclosure discloses a backboard, a display device, and a method for fabricating the same, and the backboard includes: a backboard body; and a plurality of LED installation mounts arranged in an array on the backboard body, wherein each of the plurality of LED installation mounts includes at least two lead-out electrodes to be connected with LED pins, and a coil structure around each of the at least two lead-out electrodes, wherein the coil structure is configured to produce a magnetic field upon being powered on. The coils can be formed on the backboard body in the backboard to absorb electrodes of LEDs to thereby position them precisely so as to transfer the LEDs in a mass manner with a high good yield ratio, and the lead-out electrodes can be powered on to thereby detect abnormally operating LEDs.

Abstract: A display substrate, a manufacturing method thereof, and a display device are provided, in the field of display technology. The display substrate includes a base substrate, and a thin-film transistor, a light-emitting device, an encapsulation structure, and a conductive film layer sequentially disposed on the base substrate in a direction away from the base substrate. Since the display substrate includes a conductive film layer on a side of the encapsulation structure away from the base substrate, when the protective film layer on the side of the conductive film layer away from the base substrate is peeled off, static electricity generated by the separation of the film layer can be released to the conductive film layer, avoiding electron transition to the active layer of the thin-film transistor in the display substrate to cause offset of the threshold voltage of the thin-film transistor. The display brightness uniformity of the display substrate can be ensured.