Abstract: According to an embodiment of the invention, a backlight driver of driving a light-emitting diode (LED) string via a driving transistor in a load path is provided. The LED string, the driving transistor, and an electrical load are coupled to form the load path. The backlight driver includes a current regulator and a headroom detection circuit. The current regulator is coupled to the driving transistor and the first terminal of the electrical load to control a driving current flowing through the load path according to at least a feedback voltage from a first terminal of the electrical load. The headroom detection circuit is coupled to the first terminal of the electrical load and a voltage regulator to control the voltage regulator to regulate a supply voltage to a first terminal of the LED string according to at least the feedback voltage.

Abstract: A display device, characterized in that the display device includes a first panel, having a first side and a first light shielding layer at a periphery of the first panel, wherein the first light shielding layer has a first edge departing away from the first side; and a second panel, disposed on the first panel, and having a second side adjacent to the first side; wherein the second panel includes a second light shielding layer at a periphery of the second panel; and the second light shielding layer has a second edge departing away from the second side. Wherein a first width is measured from the first side to the first edge along a direction, a second width is measured from the second side to the second edge along the direction, the second width is greater than the first width, and the direction is vertical to the first side.

Abstract: A light-emitting diode (LED) panel and a driving device therefore is provided. The driving device includes a source driver and a scan driver. The source driver is coupled to a plurality of data lines disposed in the LED panel. The source driver outputs driving currents to the data lines in any one of a plurality of scan line periods, to drive an LED array of the LED panel. The scan driver is coupled to a plurality of scan lines disposed in the LED panel, wherein the scan driver scans the scan lines during the plurality of scan line periods. In an active period of any one of the scan line periods, the scan driver applies an enable voltage to a current scan line among the scan lines, and the scan driver applies a pre-charge voltage to other scan line among the scan lines.

Abstract: The present disclosure relates to a driver for driving a light emitting unit array of a display device, the driver including: a plurality of driving units, each of the plurality of driving units includes: a driving circuit configured to provide a driving current to a corresponding column of light emitting units in the light emitting unit array according to a pulse width modulation signal, during a turn-on period of a channel switch; a charge path circuit configured to be connected in parallel with the driving circuit, and to be turned on during the turn-on period of the channel switch to form a charge path; and a discharge path circuit configured to be connected in parallel with the driving circuit, and to be turned-on after the channel switch is turned off, to form a discharge path.

Abstract: A calibration circuit of a differential difference amplifier (DDA) includes a trimming circuit, a bias generator and a compensation output circuit. The trimming circuit is used to output a trimming code. The bias generator, coupled to the trimming circuit, is used to generate a bias current or voltage according to the trimming code. The compensation output circuit, coupled to the bias generator, is used to receive a data code of the DDA and output the bias current or voltage corresponding to the data code to the DDA.

Abstract: An electronic device includes a base, another base, a first circuit board, a first layer, a second circuit board and a second layer. The another base overlapped with the base. The first circuit board overlapped with the base. The first circuit board includes a first bonding region. The second circuit board overlapped with the another base. The second circuit board includes a second bonding region. The first layer is overlapped with the first bonding region. The first bonding region is disposed between the first layer and the base. The second layer is overlapped with the second bonding region. The second bonding region is disposed between the second layer and the another base. The first layer and the second layer are at least partially overlapped.

Abstract: Provided is a light backdoor attack method for a physical world. The method includes: generating, by a flashlight, a light trigger on a traffic sign; capturing and acquiring, by a camera, a backdoor training set, and marking all images in the backdoor training set as a target label; constructing a training set according to the backdoor training set and a clean training set; training a backdoor model using the training set to obtain a trained backdoor model; and evaluating effectiveness of light backdoor attack by applying the trained backdoor model to a testing set. The method can poison DNNs to achieve a more covert backdoor attack and provide a new idea for physical backdoor attack field.

Abstract: An electronic device includes a first substrate, a second substrate, a first circuit board, and a first layer. The first substrate includes a first bonding area. The second substrate overlapped with the first substrate. The first circuit board bonded to the first bonding area. The first layer disposed on the first circuit board, wherein a surface of the first layer away from the second substrate has a curved surface.

Abstract: An electronic device is provided. The electronic device includes a substrate, a panel, an optical modulation layer, and a control unit. The panel includes a first region, a second region, and a third region between the first region and the second region. The optical modulation layer is disposed corresponding to the panel. The control unit is electrically connected to the panel. The control unit inputs a bright region voltage to the first region and the second region, and inputs a dark region voltage to the third region during a plurality of operation periods. The bright region voltage differs from the dark region voltage during any of the operation periods.

Abstract: A cylindrical battery cell, a battery pack and a vehicle including the same are provided. The cylindrical battery cell includes an electrode assembly having a first electrode plate and a second electrode plate wound in one direction with a separator being interposed therebetween, the first electrode plate including a first uncoated region in which an active material layer is not coated at an end of a long side, the first uncoated region providing a plurality of winding turns with respect to a center of the electrode assembly; a battery can having an open portion and a partial closed portion provided at a side opposite of the open portion; a current collector plate electrically connected to the first uncoated region of the first electrode plate and having a fusing portion that is cut off when an overcurrent flows; and a cell terminal.

Abstract: Disclosed are an electrolyte membrane of a membrane-electrode assembly including an electronic insulation layer, which greatly improves the durability of the electrolyte membrane, and a method of preparing the same. The electrolyte membrane includes an ion exchange layer and an electronic insulation layer provided on the ion exchange layer, and the electronic insulation layer includes one or more catalyst complexes, and a second ionomer. Particularly, each of the one or more catalyst complex includes a catalyst particle and a first ionomer coated on the entirety or a portion of the surface of the catalyst particle, and the one or more catalyst complexes are dispersed the second ionomer.

Abstract: A precharge method for a data driver includes steps of: outputting a display data to a plurality of output terminals of the data driver; outputting a second precharge voltage to an output terminal among the plurality of output terminals prior to outputting the display data to the output terminal, to precharge the output terminal to a voltage level closer to an output voltage; and outputting a first precharge voltage to the output terminal prior to outputting the second precharge voltage. The first precharge voltage provides a faster voltage transition on the output terminal than the second precharge voltage.

Abstract: Disclosed are an electrolyte membrane of a membrane-electrode assembly including an electronic insulation layer, which greatly improves the durability of the electrolyte membrane, and a method of preparing the same. The electrolyte membrane includes an ion exchange layer and an electronic insulation layer provided on the ion exchange layer, and the electronic insulation layer includes one or more catalyst complexes, and a second ionomer Particularly, each of the one or more catalyst complex includes a catalyst particle and a first ionomer coated on the entirety or a portion of the surface of the catalyst particle, and the one or more catalyst complexes are dispersed the second ionomer.

Abstract: A display driver circuit for controlling a display panel having a plurality of light-emission diode (LED) strings includes a plurality of current regulators and a control circuit. Each of the plurality of current regulators is configured to control one of the plurality of LED strings. The control circuit, coupled to the plurality of current regulators, is configured to generate a plurality of pulses in a plurality of pulse width modulation (PWM) signals and output each of the plurality of PWM signals to a respective current regulator among the plurality of current regulators. Wherein, the plurality of pulses are scrambled.

Abstract: Disclosed is an active control Stewart vibration damping platform, including a load-bearing platform, a base, and six telescopic rods. Each telescopic rod includes a driving motor, a rotating shaft, a sleeve, and a moving rod. One end, away from the driving motor, of the rotating shaft is provided with a cylindrical cavity, one end of the moving rod penetrates through the cylindrical cavity, and the sleeve is sleeved outside the rotating shaft. The rotating shaft is in running fit with the sleeve through a first bearing, and the moving rod is in sliding fit with the sleeve through a second bearing. The moving rod and the rotating shaft are respectively provided with a spiral permanent magnet. The spiral permanent magnet on the rotating shaft can drive the moving rod to move in an axial direction of the rotating shaft through the spiral permanent magnet on the moving rod when rotating.

Abstract: A light-emitting diode (LED) panel and a driving device therefore is provided. The driving device includes a source driver and a scan driver. The source driver is coupled to a plurality of data lines disposed in the LED panel. The source driver outputs driving currents to the data lines in any one of a plurality of scan line periods, to drive an LED array of the LED panel. The scan driver is coupled to a plurality of scan lines disposed in the LED panel, wherein the scan driver scans the scan lines during the plurality of scan line periods. In an active period of any one of the scan line periods, the scan driver applies an enable voltage to a current scan line among the scan lines, and the scan driver applies a pre-charge voltage to other scan line among the scan lines.

Abstract: A biometric processing system for authentication combines multiple biometric signals using machine learning to map the different signals into a common argument space that may be processed by a similar fuzzy extractor. The different biometric signals may be given weight values related to their entropy allowing them to be blended to increase security and availability while minimizing intrusiveness.

Abstract: Disclosed is a method for preparing high-strength coral aggregate concrete under low pressure conditions, including the following steps: weighing cement, mineral admixture, coral aggregate, mixing water, water reducer, and defoamer; mixing the cement and the mineral admixture well to obtain a cementing material; putting the coral aggregate, sea water, water reducer, defoamer, and 55-85% of the cementing material into a closed mixing system to stir for 10-15 min under low pressure conditions, and pouring the remaining cementing material into the mixing system to stir for additional 10-15 min to prepare the high-strength coral aggregate concrete. The high-strength coral aggregate concrete obtained has advantages of high mechanical properties, high compactness, excellent impermeability and durability, drawing on local resources in construction engineering on remote islands and reefs, and maximum resource utilization.

Abstract: A sample and hold (S/H) circuit includes an analog-to-digital converter (ADC), a register and a digital-to-analog converter (DAC). The ADC receives an input signal and converts the input signal into a digital code. The register, coupled to the ADC, stores the digital code. The DAC, coupled to the register, converts the digital code into an output signal.

Abstract: An electronic device includes a first substrate, a second substrate, a first circuit board, and a first layer. The first substrate includes a first bonding area. The second substrate overlapped with the first substrate. The first circuit board bonded to the first bonding area. The first layer disposed on the first circuit board, wherein a surface of the first layer away from the second substrate has a curved surface.