Abstract: The embodiments of the present disclosure provide a display panel, a manufacturing method thereof, and a display device. The display panel includes a first substrate and a second substrate cell-assembled to each other, a light emitting member layer disposed between the first substrate and the second substrate and a light diffusion layer disposed on a light existing side of the light emitting member layer, the light emitting member layer includes a plurality of light emitting units and imaging holes disposed on at least two sides of each of the light emitting units, the light diffusion layer includes a reflective member configured to reflect a light ray emitted by the light emitting unit and reaching the reflective member, and the reflected light ray reflected by the reflective member exits from the imaging holes.

Abstract: A use of an anthranilic acid derivative as a matrix for a MALDI Mass spectrometry, comprising: preparing a matrix compound represented by the following formula: wherein X is selected from hydrogen and a hydroxyl group, and Y is selected from hydrogen, a methyl group or an acetyl group, provided that when X is hydrogen, Y is hydrogen or an acetyl group, and when X is a hydroxyl group, Y is a methyl group; applying the matrix compound and an analyte onto a sample holder; and analyzing the analyte by the MALDI mass spectrometer.

Abstract: A storage management technique involves: determining a spare degree of physical storage space of a file system and access characteristics of the file system; determining, using a provision operation classification model and based on the spare degree and the access characteristics, a target storage provision operation to be performed for the file system from multiple storage provision operations, wherein the multiple storage provision operations include at least a storage space expansion operation and a storage space reclamation operation, and the provision operation classification model characterizes an association relationship between different spare degrees and different access characteristics of the file system and the multiple storage provision operations; and performing the determined target storage provision operation for the file system. Accordingly, a better balance is achieved between storage efficiency and I/O performance.

Abstract: In certain aspects, a memory device includes a first memory string including a first drain, a first drain select gate (DSG) transistor, first memory cells, and a first drain dummy transistor between the first drain and the first DSG transistor. The memory device also includes a first bit line coupled to the first drain, a first drain dummy line coupled to the first drain dummy transistor, a first DSG line coupled to the first DSG transistor, word lines respectively coupled to the first memory cells, and a peripheral circuit configured to perform a program operation on a target memory cell of the first memory cells coupled to a selected word line of the word lines.

Abstract: The disclosure relates to a headband for a headset, the headband comprising a first strip and a second strip detachably assembled together. The first strip comprises at least one through opening and the second strip is detachably connected via the through opening to the first strip as a cover. The second strip comprises first and second parts at least partly covering the first strip. The disclosure further relates to a headset comprising a headband and a method for assembly of a headband for a headset.

Abstract: A display device is provided, including a first flexible substrate, a second flexible substrate, an electrode layer, and a TFT circuit. The second flexible substrate is disposed opposite to the first flexible substrate. The electrode layer is formed on the first flexible substrate. The TFT circuit is formed on the first flexible substrate. The first flexible substrate has a first light transmission chromaticity coordinates (x1, y1), the second flexible substrate has a second light transmission chromaticity coordinates (x2, y2), and x1?x2?0.002 or y1?y2?0.002.

Abstract: A fractional-N phase locked loop (PLL) and a sliced charge pump (CP) control method thereof are provided. The fractional-N PLL includes a first current source, a first phase frequency detector (PFD), a second current source, a second PFD, and a divided clock controller. The first current source provides a first current. The first PFD generates a first detection signal according to a first divided clock, for controlling the first current source, wherein the first divided clock is generated according to an oscillation clock having an oscillation period. The second current source provides a second current. The second PFD generates a second detection signal according to a second divided clock, for controlling the second current source. The divided clock controller controls the second divided clock based on a variable delay relative to the first divided clock, wherein the variable delay is an integer times the oscillation period.

Abstract: A method of manufacturing a semiconductor device includes: forming a first substrate includes a membrane stack over a first dielectric layer, the membrane stack having a first electrode, a second electrode over the first electrode and a piezoelectric layer between the first electrode and the second electrode, a third electrode over the first dielectric layer, and a second dielectric layer over the membrane stack and the third electrode; forming a second substrate, including: a redistribution layer (RDL) over a third substrate, the RDL having a fourth electrode; and a first cavity on a surface of the RDL adjacent to the fourth electrode; forming a second cavity in one of the first substrate and the second substrate; and bonding the first substrate to the second substrate.

Abstract: A display apparatus is provided to include a pixel array composed of a plurality of pixels. Each pixel includes a pulse-generating unit producing a first pulse and a second pulse with opposite phases; a first switching unit; a light-emitting unit; and a second switching unit. The first switching unit, the light-emitting unit, and the second switching unit are connected in series, the first switching unit is controlled by the first pulse, and the second switching unit is controlled by the second pulse, and the first switching unit and the second switching unit are configured to be turned on or turned off synchronously.

Abstract: A display panel and a display apparatus are provided. The display panel has a conventional display region and a function display region for arranging an optical function element, and includes first pixel circuits and first fixed potential lines that are located in the conventional display region and electrically connected to the first pixel circuits, and further includes second pixel circuits and second fixed potential lines that are located in the function display region and are electrically connected to the second pixel circuits. m1 first pixel circuit groups are provided between two adjacent first fixed potential lines, m2 second pixel circuit groups are provided between two adjacent second fixed potential lines, m1 and m2 are each a positive integer greater than or equal to 1, and m2>m.

Abstract: Methods, computer readable media, and apparatus for determining a receive (Rx) number of spatial streams (NSS) for different bandwidths (BWs) and modulation and control schemes (MCSs) are disclosed. An apparatus is disclosed comprising processing circuitry configured to decode a supported HE-MCS and a NSS set field, the supported HE-MSC and NSS set field received from an high-efficiency (HE) station. The processing circuitry may be further configured to determine a first maximum value of N receive (Rx) SS for a MCS and a bandwidth (BW), where the first maximum value of N Rx SS is equal to a largest number of Rx SS that supports the MCS for the BW as indicated by the supported HE-MCS and NSS set field; and, determine additional maximum values based on an operating mode (OM) notification frame, and a value of an OM control (OMC) field. Signaling for BW in 6 GHz is disclosed.

Abstract: A nonionic Gemini surfactant, (octylphenol polyoxyethylene ether disubstituted) dicarboxylic acid diphenyl ether has a structural formula of: and is prepared by a two-step reaction: S1, diphenyl ether 4,4?-dicarboxylic acid is subjected to an acyl chlorination reaction to obtain diphenyl ether 4,4?-dicarbonyl dichloride; S2, diphenyl ether 4,4?-dicarbonyl dichloride is subjected to an esterification reaction with octylphenol polyoxyethylene ether (OP-10) to obtain the target product (octylphenol polyoxyethylene ether disubstituted) dicarboxylic acid diphenyl ether. The surfactant is expected to be applied in tertiary oil recovery as an alkali/surfactant, in polymer/surfactant binary composite flooding, in alkali/surfactant/polymer ternary composite flooding, as a microemulsion emulsifier and the like, and it can also be compounded with a common surfactant to reduce the use cost, and thus create conditions for its large-scale application.

Abstract: In some embodiments, a semiconductor wafer testing system is provided. The semiconductor wafer testing system includes a semiconductor wafer prober having one or more conductive probes, where the semiconductor wafer prober is configured to position the one or more conductive probes on an integrated chip (IC) that is disposed on a semiconductor wafer. The semiconductor wafer testing system also includes a ferromagnetic wafer chuck, where the ferromagnetic wafer chuck is configured to hold the semiconductor wafer while the wafer prober positions the one or more conductive probes on the IC. An upper magnet is disposed over the ferromagnetic wafer chuck, where the upper magnet is configured to generate an external magnetic field between the upper magnet and the ferromagnetic wafer chuck, and where the ferromagnetic wafer chuck amplifies the external magnetic field such that the external magnetic field passes through the IC with an amplified magnetic field strength.

Abstract: A thermal management power battery assembly and a battery pack having a plurality of the thermal management power battery assemblies connected in series. The battery assembly includes a plurality of staggered battery cells, a thermal conduction module, a liquid cooling module, and a battery cell fixing module for fixing the battery cells. The battery cell fixing module includes a battery cell position limiting device, and assembly supporting device located at two sides of the battery cell position limiting device; the liquid cooling module is integrated in the assembly supporting device; the thermal conduction module is simultaneously in contact with the battery cells and the assembly supporting device. The liquid cooling module is integrated with the assembly supporting device. The liquid cooling module is intergrated with the assembly supporting device.

Abstract: The present disclosure relates to an integrated circuit (IC) in which a memory structure comprises a ferroelectric structure without critical-thickness limitations. The memory structure comprises a first electrode and the ferroelectric structure. The ferroelectric structure is vertically stacked with the first electrode and comprises a first ferroelectric layer, a second ferroelectric layer, and a first restoration layer. The second ferroelectric layer overlies the first ferroelectric layer, and the first restoration layer is between and borders the first and second ferroelectric layers. The first restoration layer is a different material type than that of the first and second ferroelectric layers and is configured to decouple crystalline lattices of the first and second ferroelectric layers so the first and second ferroelectric layers do not reach critical thicknesses.

Abstract: A method of wheel encoder to camera calibration, including receiving a LiDAR (Light Detection and Ranging) signal, receiving a camera signal, receiving a wheel encoder signal, calibrating the camera signal to the LiDAR signal, calibrating the wheel encoder signal to the LiDAR signal and calibrating the camera signal to the wheel encoder signal based on the calibration of the camera signal to the LiDAR signal and the wheel encoder signal to the LiDAR signal.

Abstract: A method for controlling an electronic scale in disclosed in this disclosure, which is applied to measure and indicate a state of an external force, comprises the following steps. A weight sensor detects the external force, and a controller drives a prompting device to emit a first light with a first optical characteristic when the external force detected by the weight sensor reaches a first weight. The controller drives the prompting device to emit a second light with a second optical characteristic when the prompting device emits the first light for a predetermined period, wherein the prompting device continuously emits the second light until the external force reaches a second weight.

Abstract: An example method may include determining a multi-user packet error rate associated with communications from a client device to a host device, the multi-user packet error rate based on a number of packets in a multi-user communication frame with an error. The method may also include sending a trigger from the host device to the client device to communicate via a second multi-user communication frame, the trigger identifying a transfer rate based on the multi-user packet error rate.

Abstract: The present disclosure provides a method for detection of soil heavy metal pollution using an unmanned aerial vehicle (UAV) and an X-ray fluorescence (XRF) technology. Based. Based on hardware equipment such as the UAV, XRF analyzer, and embedded equipment, the present disclosure develops an altitude hold module of the system and a ground-contact monitoring module, and assists the UAV to achieve safe and accurate fixed-point hovering, and develops a driving device for data acquisition to replace manual control and realize the automatic acquisition of XRF data. The data inversion method is realized by using embedded equipment, and after the data is acquired by the portable XRF analyzer near the ground, the algorithm research of inversion processing of contents of heavy metal elements in soil is realized, such that the portable XRF analyzer can automatically and accurately detect the contents of heavy metals in soil at a certain distance.