Abstract: A method performed by an AP may comprise initializing a CCC and increasing the CCC upon a change of at least one of a plurality of parameters of the AP. The plurality of parameters may include at least a high throughput (HT) Operation element, one or more Enhanced Distributed Channel Access (EDCA) parameters, or one or more operational mode parameters. The method may further comprise transmitting a frame, to at least one STA, wherein the frame includes an indication of the CCC, and the frame indicates that the at least one STA return from a power saving mode.

Abstract: A pixel circuit and a method of driving the same, and a display device. The pixel circuit includes a plurality of pixel compensation circuits, and each pixel compensation circuit can be connected to M light-emitting units located in the same column. Each light-emitting control signal terminal of the M light-emitting control signal terminals included in each light-emitting control signal terminal group may be connected to a pixel compensation circuit group (i.e., K rows of pixels compensation circuits).

Abstract: A pixel structure and a method of driving the same, a display panel and a display device. The pixel structure includes: at least two pixel circuits and a conduction control circuit connected to the at least two pixel circuits. The conduction control circuit is configured to connect the at least two pixel circuits in parallel in response to a first control signal and to connect the at least two pixel circuits in series in response to a second control signal.

Abstract: A nucleic acid extraction composition, reagents and kits containing the same and uses thereof. Provided is a nucleic acid extraction and purification reagent free of volatile organic solvents, which prevents the damage of volatile organic solvents to people and greatly improves the timeliness of nucleic acid extraction and purification, making the operation extremely simple, and the nucleic acid can be obtained within 10 minutes. The obtained nucleic acid may be used for biological reactions such as PCR, NASBA, LAMP and RPA. Moreover, the reagents of the present disclosure may be used to extract nucleic acids of cells, bacteria, fungi, DNA viruses and RNA viruses from various samples such as blood, throat swab preserving fluid, saliva, urine, sputum, excrement and the like, and very suitable for clinical and scientific research uses.

Abstract: The present invention provides a display panel and a display device. The display panel adds a repair driver circuit, repair switch circuits and a sensing circuit into the circuit of the display panel. When sub-pixel driver circuits of the display panel need compensation, repair switch circuits switch on, a repair driver circuit outputs a corresponding drive signal to sub-pixels to be compensated such that highly efficient and fast auto repair to abnormal pixel points is achieved to mitigate the issue of errors of the driver circuit in the conventional display.

Abstract: A touch display panel and a method for manufacturing the same are provided. The method includes: forming touch lines, an insulating layer and first electrodes above a substrate, the insulating layer covers the touch lines and is provided with at least one through-hole, the first electrodes are at a side of the insulating layer distal from the touch lines; forming barrier walls in each through-hole, and at a predetermined position in an interval between the first electrodes; forming a light emitting layer and a second electrode layer at a side of the light emitting layer distal from the substrate; removing the barrier walls, portions of the light emitting layer and the second electrode layer above the barrier walls, remaining portions of the second electrode layer form touch electrodes; forming an electrical conductive structure in each through-hole for coupling one touch line to one touch electrode.

Abstract: The present invention provides a method for predicting prestress loss after concrete cracking along strand. Corrosion-induced cracking is modeled by the thick-wall cylinder theory, the expansive pressure is evaluated with the residual tensile stress by cracked concrete and confining stress by un-cracked concrete during concrete cracking process. Considering the effect of strand corrosion, the bond strength of corroded strand is evaluated from the contributions of adhesion stress, confinement stress and expansive pressure. A method for prestress loss in corroded pre-tensioned concrete member is proposed with the strain compatibility and force equilibrium equations, incorporating the coupling effects of concrete cracking and bond degradation. The present invention proposes a method for predicting the prestress loss after concrete cracking along strand, which can incorporate the coupling effects of concrete cracking and bond degradation.

Abstract: A display driving circuit includes N levels of display driving sub-circuits and N levels of switching sub-circuits. Each display driving sub-circuit is connected to a corresponding switching sub-circuit. An nth-level display driving sub-circuit includes an nth-level gate driving sub-circuit and an nth-level light-emitting control sub-circuit. An nth-level switching sub-circuit includes an nth-level gate driving switching sub-circuit and an nth-level light-emitting control switching sub-circuit. The nth-level gate driving switching sub-circuit is configured to enable an nth-level gate driving signal output end to be electrically connected to a (2n?1)th gate line or a 2nth gate line.

Abstract: A stretchable display panel has a plurality of first regions and a plurality of second regions alternately arranged. The stretchable display panel includes a plurality of first light emitting elements and a plurality of first driving circuits for driving light emission of the plurality of first light emitting elements; and a plurality of second light emitting elements and a plurality of second driving circuits for driving light emission of the plurality of second light emitting elements. The plurality of first light emitting elements, the plurality of first driving circuits, and the plurality of second driving circuits are limited in the plurality of first regions. The plurality of second light emitting elements are limited is the plurality of second regions. The stretchable display panel in the plurality of first regions have a Young's modulus greater than a Young's modulus in the plurality of second regions of the stretchable display panel.

Abstract: A display substrate includes: a plurality of sub-pixel regions at a first base substrate, each of the plurality of sub-pixel regions including a light-blocking region and aperture regions located at opposing sides of the light-blocking region; and a first transparent electrode and a second transparent electrode within each of the plurality of sub-pixel regions, configured to drive a liquid crystal layer; wherein the first transparent electrode includes a first electrode unit located inside the light-blocking region and including a plurality of first sub-electrodes, wherein each of the plurality of first sub-electrodes are separated from two adjacent first sub-electrodes by a separation distance; and wherein the separation distance between two adjacent first sub-electrodes nearest to a center line of the light-blocking region is smaller than the separation distance between two adjacent first sub-electrodes nearest to an edge of the light-blocking region

Abstract: The present application provides an integrated fingerprint detection touch control display apparatus. The integrated fingerprint detection touch control display apparatus includes a plurality of fingerprint sensing driver circuits respectively configured to independently control fingerprint detection respectively in a plurality of sensing regions in the integrated fingerprint detection touch control display apparatus; a touch sensing driver circuit configured to control touch detection in the integrated fingerprint detection touch control display apparatus; a counter substrate; and an array substrate facing the counter substrate.

Abstract: In one or more embodiments, one or more systems, methods, and/or processes may: receiving, by a first circuit of an inductor-inductor-capacitor (LLC) converter, a pulse width modulation (PWM) signal to control a gate of a metal-oxide-semiconductor field-effect transistor (MOSFET) of a plurality of metal-oxide-semiconductor field-effect transistors (MOSFETs) of the LLC converter; provide, by the first circuit, current to a transformer based at least on amplifications of the PWM by at least one of the plurality of power MOSFETs; determine, by the second circuit, if a voltage value associated with a drain of the power MOSFET is above a threshold voltage value; if so, suppress, by the second circuit, the PWM signal to the gate of the power MOSFET; and if not, permit, by the second circuit, the PWM signal to the gate of the power MOSFET.

Abstract: A riding lawn mower includes: a seat; a frame; a mowing element; a deck surrounding and forming a mowing space for accommodating at least part of the mowing element; and a first motor for driving the mowing element to rotate. The first motor includes a rotor assembly including a rotor shaft enabled to rotate about a rotation axis and a stator assembly, a motor housing surrounding and forming an accommodation cavity for accommodating at least part of the stator assembly. The rotor shaft passes through the motor housing in a direction of the rotation axis and is at least partially located outside the motor housing; the deck is provided with a first through hole for the first motor to pass through so that the motor housing is at least partially located in the mowing space. The first motor of the riding lawn mower has a good cooling effect.

Abstract: The present invention belongs to the technical field of underwater communication, and provides a novel highly robust underwater optical communication system which comprises a sending module and a receiving module. The novel highly robust underwater optical communication system realizes highly robust underwater optical communication under strong interference of sunlight and artificial light sources. The system uses a new physical method irrelevant to frequency, and can be used with existing MIMO and CDMA to obtain better communication effects. The circularly polarized light is used for signal transmission, thereby avoiding the problem of channel misalignment caused by the rotation of a platform underwater. At the same time, good polarization maintaining of a marine environment makes the signal characteristics difficult to lose.

Abstract: The present disclosure generally relates to the field of display technology, and in particular to a fingerprint recognition device and a display device having the fingerprint recognition device. A fingerprint recognition device includes a substrate; a plurality of point light sources on the substrate, which are configured to emit light; a plurality of light sensors on the substrate, which are configured to generate an electrical signal based on the light emitted from the plurality of point light sources and reflected from a touch surface, and a display layer on the plurality of light sensors.

Abstract: A valve system for driving fluid and a method for using the same are provided. The valve system includes a fluid unit far away from the rotation center, a fluid unit close to the rotation center, a fluid transferring unit and a gas path pipeline for communicating the fluid unit close to the rotation center with the fluid unit far away from the rotation center. A rotation radius of a fluid outlet of the fluid unit far away from the rotation center is greater than that of a fluid inlet of the fluid unit close to the rotation center. The fluid outlet of the fluid unit far away from the rotation center is located at an end thereof away from the rotation center, and the fluid inlet of the fluid unit close to the rotation center is located at an end thereof close to the rotation center.

Abstract: A liquid storage and controlled-release device and a biological detection chip. The liquid storage and controlled-release device comprises a liquid storage capsule with a liquid storage body which is deformable under a pressure, and a sealing layer for sealing the liquid storage body. A support platform is provided right below the liquid storage capsule and tightly connected with the liquid storage capsule, wherein, a directional release chamber is provided at the middle of the support platform, and the directional release chamber is provided with a guiding chamber for collecting the liquid and a sharp edge for inducing break. Compared with the conventional technology, the opening for liquid release is at the end far away from the rotation center, so that the liquid can be released completely by the centrifugal force, ensuring the quantitative release of stored liquid and reducing the influence on the accuracy of the subsequent detection.

Abstract: The present invention discloses an electromagnetic braking system and control method, the system comprises a CCU, a braking cylinder, a push rod, an electromagnetic braking ring, an electromagnetic braking piston fixed to the push rod, a first shading plate and a second shading plate, a photoelectric sensor fixed near the push rod, and an electromagnetic braking control circuit. The control method includes following steps: initial estimating the braking distance l according to the current magnitude, electromagnetic force between the two electromagnetic coils and initial velocity v of the push rod, arranging a restoration distance ?l between the top dead center and the piston after braking, installing two shading plates and the photoelectric sensor; setting the distance between the two electromagnetic coils to L=l+?l when starting the braking.

Abstract: The present disclosure provides a power source voltage application circuit, including a power source voltage output end, an energy storage sub-circuitry, a resetting sub-circuitry and an output control sub-circuitry. A first end of the energy storage sub-circuitry is connected to a first node, and a second end of the energy storage sub-circuitry is connected to a second node. The resetting sub-circuitry is connected to a resetting control end, a reference voltage input tend, the first node, the second node and an initial voltage input end respectively. The output control sub-circuitry is connected to an output control end, a first voltage input end, the first node, the second node and the power source voltage output end respectively.

Abstract: A blockchain integrated station receives a startup instruction. The blockchain integrated station computes a current hash value of a disk image included in the blockchain integrated station. The blockchain integrated station sends the current hash value to a cryptographic acceleration card included in the blockchain integrated station. The blockchain integrated station receives, from the cryptographic acceleration card, a comparison result between a hash value stored in the cryptographic acceleration card and the current hash value. In response to determining that the comparison result indicates that the current hash value matches the hash value stored in the cryptographic acceleration card, the blockchain integrated station executes the disk image.