Abstract: A phase-shift unit includes: a first substrate and a second substrate provided opposite to each other; a medium layer provided between the first substrate and the second substrate; a microstrip line disposed at a side of the second substrate facing towards the first substrate; and a grounding layer provided at a side of the first substrate facing towards the second substrate and formed with a via hole; wherein a projection of the via hole onto the second substrate and a projection of the microstrip line onto the second substrate have an overlapped area therebetween; and wherein the via hole is configured to feed a phase-shifted microwave signal out of the phase-shift unit, or feed a microwave signal into the phase-shift unit such that the microwave signal is phase-shifted.

Abstract: The present disclosure discloses a mask, which includes a first substrate and a second substrate. The mask further includes a polarity particle positioned between the first substrate and the second substrate. The polarity particle has a light absorption or light transmission effect. The first substrate includes a plurality of driving electrodes disposed toward the second substrate and arranged in an array. Each of the driving electrodes is configured to receive an electric signal and control the polarity particle to move to a designated driving electrode to form a pattern.

Abstract: A chip for polymerase chain reaction, a method of operating a chip for polymerase chain reaction, and a reaction device are provided. The chip includes: a sample adding region, a mixing region, a temperature cycling region in a sequential arrangement, and at least one driving unit group. The at least one driving unit group includes a plurality of driving units and is configured to drive a liquid drop to move and sequentially pass through the sample adding region, the mixing region, and the temperature cycling region.

Abstract: A phase shifter and a liquid crystal antenna are provided. The phase shifter includes a first substrate and a second substrate opposite to each other, and a liquid crystal layer between the first substrate and the second substrate. The first substrate includes a first base plate and a first electrode at a side of the first base plate proximal to the liquid crystal layer. The second substrate includes a second base plate and a second electrode at a side of the second base plate proximal to the liquid crystal layer. The phase shifter further includes an auxiliary capacitor connected to the first electrode.

Abstract: A microfluidic device, a microfluidic detection assembly and a detection method for the microfluidic device. The microfluidic device includes a first substrate and a second substrate; the first substrate and the second substrate are oppositely arranged to define a channel between the first substrate and the second substrate, the channel is configured for liquid to flow, the first substrate includes a base substrate and a plurality of control assemblies which are arranged on the base substrate along an extending direction of the channel, each of the plurality of control assemblies includes: a first electrode, a second electrode and a plurality of coils, and the first electrode is configured to input currents into the plurality of coils, and the plurality of coils are connected in parallel to the second electrode.

Abstract: A chip, a method of operating a chip, and a detection device are provided. The chip includes a detection cavity and a working electrode, the detection cavity is configured to be capable of containing a plurality of droplets, and the working electrode is arranged in the detection cavity and is configured to regularly arrange the plurality of droplets in the detection cavity along an extending direction of the working electrode.

Abstract: A biosensor, and a preparation and biosensing method therefor. The biosensor includes: a sensing substrate, wherein a plurality of sensing suspending arms arranged in an array are arranged on the sensing substrate, and the sensing suspending arms have identification markers; and a detection substrate, the detection substrate including a plurality of light detection assemblies arranged in an array, wherein the light detection assemblies and the sensing suspending arms are arranged in one-to-one correspondence, each of the light detection assemblies includes a photodiode and a thin film transistor, and the photodiode is connected to the thin film transistor.

Abstract: The present disclosure discloses a phase-shift unit, an antenna array, a display panel and a display device. In one embodiment, the phase-shift unit includes a first substrate and a second substrate assembled to each other; a liquid crystal layer between the first substrate and the second substrate; a microstrip line provided at a side of the second substrate facing towards the liquid crystal layer, and configured for receiving a voltage signal that controls deflection of liquid crystal molecules in the liquid crystal layer and for receiving or transmitting an electromagnetic wave signal; and a grounding layer provided on the first substrate and including a via hole corresponding to the microstrip line.

Abstract: The present disclosure provides a microfluidic chip, a biological detection device and a method. The microfluidic chip includes: a first substrate and a second substrate that are oppositely disposed; a first electrode and a second electrode that are oppositely disposed between the first substrate and the second substrate, the first electrode including a plurality of spaced first electrode units, and the second electrode including a plurality of spaced second electrode units, wherein the first electrode units are disposed oppositely to the second electrode units in one-to-one correspondence; a first dielectric layer and a second dielectric layer between the first electrode and the second electrode; a first hydrophobic layer and a second hydrophobic layer between the first dielectric layer and the second dielectric layer, wherein a gap is between the first hydrophobic layer and the second hydrophobic layer.

Abstract: The present disclosure relates to a bio-detection chip and a detection method associated therewith. The bio-detection chip includes an upper substrate, a lower substrate, a reference electrode, a driving electrode, and a first dielectric layer, a first hydrophobic layer, a second hydrophobic layer and a second dielectric layer disposed successively between the reference electrode and the driving electrode. The bio-detection chip further includes a plurality of micro-capsules arranged between the first hydrophobic layer and the second hydrophobic layer. Each micro-capsule encapsulates a plurality of charged microspheres, and surfaces of the charged microspheres have a first biomolecule for specifically binding with a second biomolecule that enters the bio-detection chip so as to give rise to a color change. The charged microspheres move close to the upper substrate when a voltage is applied between the reference electrode and the driving electrode.

Abstract: The present disclosure provides a microfluidic chip, including: first base substrate and a second base substrate opposite to each other; first electrode and second electrode between the first base substrate and the second base substrate and configured to control droplet to move between the first base substrate and the second base substrate according to voltages applied on the first electrode and the second electrode; light guide component configured to guide light propagating in the first base substrate to the droplet; shading component and detection component, shading component having light transmission regions spaced from each other, light transmission regions being configured to transmit light passing through the droplet to the detection component, wherein detection component is on second base substrate and is configured to obtain property of the droplet according to an intensity of the light passing through droplet and received from the light transmission regions.

Abstract: The present application provides a digital microfluidic device. The digital microfluidic device includes a base substrate; and an electrode array including a plurality of discrete electrodes continuously arranged on the base substrate. The plurality of discrete electrodes can be grouped into a plurality of first electrode groups, each of which including a plurality of directly adjacent discrete electrodes. The plurality of discrete electrodes can be alternatively grouped into a plurality of second electrode groups, each of which including a plurality of directly adjacent discrete electrodes.

Abstract: A chip substrate, a manufacturing method thereof, a gene sequencing chip, and a gene sequencing method. The chip substrate includes a base substrate; first electrode, located on the base substrate in an array; an insulating layer, located at gaps between two adjacent ones of the first electrodes, and partially covering the two adjacent ones of the first electrodes to form containing spaces being in one-to-one correspondence with the first electrodes; a capacitive dielectric layer, located on a side of the first electrodes away from the base substrate, and located in the containing spaces; and second electrodes, located on a side of the capacitive dielectric layer away from the base substrate, the capacitive dielectric layer includes a first region and a second region, an orthographic projection of the second electrodes on the base substrate is overlapped with an orthographic projection of the first region on the base substrate.

Abstract: The present disclosure relates to a gene sequencing structure, chip, system, and method. The gene sequencing structure includes: a first electrode and a second electrode spaced apart from each other, a semiconductor layer, a sensing electrode, an insulating layer, and a sensitive film layer. The first electrode is connected to the second electrode via the semiconductor layer, the sensing electrode is in contact with the sensitive film layer, and the insulating layer isolates each of the sensitive film layer and the sensing electrode from each of the first electrode, the second electrode, and the semiconductor layer, wherein the sensitive film layer generates charges in response to receiving ions generated by base pairing during gene sequencing.

Abstract: A liquid crystal phase shifter is provided, and includes a first substrate and a second substrate opposite to each other, and a liquid crystal layer between the first substrate and the second substrate. The first substrate includes a first base plate and a first electrode layer at a side of the first base plate proximal to the liquid crystal layer. The second substrate includes a second base plate and a second electrode layer at a side of the second base plate proximal to the liquid crystal layer. The first electrode layer includes a main body structure having a first side and a second side opposite to each other with respect to a length direction of the main body structure, and a plurality of branch structures connected to at least one of the first side and the second side of the main body structure.

Abstract: A waveguide feed substrate and a manufacturing method thereof, and an antenna system and a manufacturing method thereof are provided. The waveguide feed substrate comprises: a first base substrate provided with a receiving groove; and a waveguide feeder embedded in the receiving groove and provided with a first side disposed at a bottom of the receiving groove, a second side disposed opposite to the first side, a third side disposed on a first side wall of the receiving cell, and a fourth side disposed on a second side wall of the receiving cell; wherein an opening is disposed in the second side, and an upper surface of the second side is flush with an upper surface of the first base substrate.

Abstract: A liquid crystal phase shifter, a liquid crystal antenna, a communication apparatus, and a method for operating a liquid crystal phase shifter are provided. The liquid crystal phase shifter includes a microwave transmission structure and a phase adjustment structure opposite to each other, and a liquid crystal layer between the microwave transmission structure and the phase adjustment structure; wherein the phase adjustment structure comprises a plurality of phase adjustment units; the plurality of phase adjustment units are configured to change a dielectric constant of the liquid crystal layer according to a voltage applied to the phase adjustment units and a voltage applied to the microwave transmission structure, so as to adjust a phase of a microwave signal; and phase shift amounts adjusted by the plurality of phase adjustment units are different from each other.

Abstract: Embodiments of the present disclosure provide a power distribution network, a liquid crystal antenna including the power distribution network, and a communication device including the liquid crystal antenna. The power distribution network is configured to be used in a liquid crystal antenna and includes a plurality of cascaded power distributors. Each of the plurality of cascaded power distributors comprises a first microstrip line, a transmission medium region and a reference electrode. A tangent value of a dielectric loss angle of a transmission medium in the transmission medium region is smaller than a tangent value of a dielectric loss angle of a liquid crystal in the liquid crystal antenna.

Abstract: A digital microfluidic chip and a digital microfluidic system. The digital microfluidic chip comprises: an upper substrate and a lower substrate arranged opposite to each other; multiple driving circuits and multiple addressing circuits disposed between the lower substrate and the upper substrate; and a control circuit, electrically connected to the driving circuits and the addressing circuits. The control circuit is configured to apply, in a driving stage, a driving voltage to each driving circuit, such that a droplet is controlled to move inside a droplet accommodation space according to a set path, measure, in a detection stage, after a bias voltage is applied to each addressing circuit, a charge loss amount of each addressing circuit, and to determine the position of the droplet according to the charge loss amount. The charge loss amount of each addressing circuit is related to the intensity of received external light.

Abstract: A micro-total analysis system and a method thereof are provided. The micro-total analysis system includes: a microfluidic device, configured to accommodate a liquid to be detected; an optical unit, configured to form a first light irradiated to the microfluidic device; and a detection unit, configured to detect the liquid to be detected and output a detection signal to obtain detection information.