Abstract: An electronic label is provided, including: a first power supply unit, which is configured to supply power to the electronic label; a first control unit, which is configured to monitor at least one of a power supply voltage and a remaining power of the first power supply unit. The first power supply unit includes a first booster circuit, and is configured to turn on the first booster circuit to boost the power supply voltage when at least one of the following conditions is met: the power supply voltage is lower than a first preset voltage threshold; and, the remaining power is lower than a first preset power threshold. The invention also provides a method for monitoring an electronic label, an electronic label monitoring device, and an electronic label system.

Abstract: A control method for an electronic ink screen includes: when colors of an image to be displayed include only a black color and a white color, outputting a first black driving signal, and outputting a first white driving signal; and when the colors of the image to be displayed include the black color, the white color and a chromatic color, outputting a second black driving signal, outputting a second white driving signal, and outputting a chromatic driving signal. A duration of the first black driving signal is equal to a duration of the first white driving signal. A duration of the second black driving signal, a duration of the second white driving signal and the duration of the chromatic driving signal are equal. The duration of the second white driving signal is greater than the duration of the first white drive signal.

Abstract: The application provides a method for driving a color electronic paper, including: according to an image to be displayed, applying a first driving signal to a first electrode on a to-display-white microcapsule and a second driving signal to a first electrode on a to-display-black microcapsule. The first driving signal includes: a first sub-driving signal applied to the first electrode on the to-display-white microcapsule in display phase; and the first sub-driving signal is configured to drive a white particle in the to-display-white microcapsule to be closer to a display side than a black particle and a colored particle. The second driving signal comprises: a second sub-driving signal applied to the first electrode on the to-display-black microcapsule in display phase, and the second sub-driving signal is configured to drive the black particle in the to-display-black microcapsule to be closer to the display side than the white particle and the colored particle.

Abstract: A control method of an e-ink screen. The e-ink screen includes a plurality of pixels, at least one pixel includes first color charged particles and second color charged particles, and the first color charged particles and the second color charged particles are same in electrical property. The control method of the e-ink screen includes: inputting a first color driving signal to pixels expected to display a first color in the e-ink screen. The first color driving signal includes a plurality of sub-signals corresponding to a plurality of driving stages. The plurality of sub-signals include a first color imaging sub-signal and a particle separation sub-signal. The particle separation sub-signal is configured to drive the first color charged particles and the second color charged particles in the at least one pixel to move, and to separate the first color charged particles from the second color charged particles.

Abstract: A control method for an electronic ink screen includes: when colors of an image to be displayed include only a black color and a white color, outputting a first black driving signal, and outputting a first white driving signal; and when the colors of the image to be displayed include the black color, the white color and a chromatic color, outputting a second black driving signal, outputting a second white driving signal, and outputting a chromatic driving signal. A duration of the first black driving signal is equal to a duration of the first white driving signal. A duration of the second black driving signal, a duration of the second white driving signal and the duration of the chromatic driving signal are equal. The duration of the second white driving signal is greater than the duration of the first white drive signal.

Abstract: The present disclosure provides a display module and a display device. The display module includes: a substrate in which the substrate includes a first surface and a second surface that are arranged to face each other, and a plurality of side surfaces simultaneously connected to the first surface and the second surface; a display layer arranged on the first surface of the substrate; and a protection structure arranged at a connection position between two adjacent sides of the plurality of side surfaces of the substrate.

Abstract: A control method of an electronic ink screen includes: outputting a first color driving signal to pixel(s) expected to display a first color in the electronic ink screen. The first color driving signal includes a first dither signal and a first color first pull-up signal in adjacent periods. The first dither signal includes a first rectangular wave signal, a first electric field cancellation signal and a first constant voltage signal. The first constant voltage signal is configured to drive first color charged particles in the pixel(s) expected to display the first color to move toward a side proximate to a display surface of the electronic ink screen, and the first color first pull-up signal is configured to drive the first color charged particles in the pixel(s) expected to display the first color to move toward the side proximate to the display surface of the electronic ink screen.

Abstract: A control method of an e-ink screen. The e-ink screen includes a plurality of pixels, at least one pixel includes first color charged particles and second color charged particles, and the first color charged particles and the second color charged particles are same in electrical property. The control method of the e-ink screen includes: inputting a first color driving signal to pixels expected to display a first color in the e-ink screen. The first color driving signal includes a plurality of sub-signals corresponding to a plurality of driving stages. The plurality of sub-signals include a first color imaging sub-signal and a particle separation sub-signal. The particle separation sub-signal is configured to drive the first color charged particles and the second color charged particles in the at least one pixel to move, and to separate the first color charged particles from the second color charged particles.

Abstract: The present disclosure provides an electronic label and a method for driving the same. The electronic label includes: a plurality of display screens; a repeater configured to receive content data to be displayed on the plurality of display screens and distribute the content data to a communicator according to a signal strength between the repeater and the communicator; the communicator configured to receive the content data from the repeater; and a controller comprising a serial data interface and configured to transmit, through the serial data interface, the content data to be displayed on the plurality of display screens and a control signal generated by the controller for controlling the plurality of display screens to the plurality of display screens respectively, so as to control the plurality of display screens to display the respective content data received according to the control signal.

Abstract: Provided is a method for driving an electronic paper display apparatus, including: applying a first driving signal to a first electrode of a microcapsule to be displayed in white, and applying a second driving signal to a first electrode of a microcapsule to be displayed in black according to a black-and-white particle image to be displayed. The first driving signal includes a first sub-driving signal applied in a display stage, wherein the first sub-driving signal is configured to drive the white particles in the microcapsule to be displayed in white to be closer to a display side relative to the black particles. The second driving signal includes a second sub-driving signal applied in the display stage, wherein the second sub-driving signal is configured to drive the black particles in the microcapsule to be displayed in black to be closer to the display side relative to the white particles.

Abstract: A power supply circuit and a display device are provided, belonging to the field of display technologies. The power supply circuit includes a boosting sub-circuit and a driving sub-circuit. The boosting sub-circuit may boost the voltage of the power signal provided by the power source; the driving sub-circuit may drive the load to work normally while ensuring that the capacitance of the capacitor in the driving sub-circuit is small when supplying power to the load with the power signal of which the voltage is boosted.

Abstract: The present disclosure discloses an electronic tag and a control method thereof. The electronic tag comprises: a power supply module configured to supply power to the electronic tag; a display module configured to display a display screen required by the electronic tag; an electronic tag circuit configured to control the electronic tag to operate in a state that the electronic tag is powered by the power supply module; and a switch circuit configured to disconnect the power supply module from the electronic tag circuit when the display screen does not need to be updated.

Abstract: The present application discloses a method for operating a wireless communication system. The method includes receiving a series of input data bits in a current timeslot by a transmitter and encoding the input data bits with a cross-Gray coding scheme to obtain coded information bits. Additionally, the method includes mapping the coded information bits to obtain respective multiple transmission symbols Xt for the current timeslot in a constellation diagram. Furthermore, the method includes converting the multiple transmission symbols Xt to generate a space-time matrix St of the current timeslot by incorporating spatial bits associated with orders of respective transmitting antennas based on a space-time matrix St-1 of a previous timeslot. Moreover, the method includes transmitting a respective one of elements in the space-time matrix St using a respective one transmitting antenna activated in the transmitter.

Abstract: The present application discloses a method for operating a wireless communication system. The method includes receiving a series of input data bits in a current timeslot by a transmitter and encoding the input data bits with a cross-Gray coding scheme to obtain coded information bits. Additionally, the method includes mapping the coded information bits to obtain respective multiple transmission symbols Xt for the current timeslot in a constellation diagram. Furthermore, the method includes converting the multiple transmission symbols Xt to generate a space-time matrix St of the current timeslot by incorporating spatial bits associated with orders of respective transmitting antennas based on a space-time matrix St-1 of a previous timeslot. Moreover, the method includes transmitting a respective one of elements in the space-time matrix St using a respective one transmitting antenna activated in the transmitter.

Abstract: The present disclosure provides an electronic label and a method for driving the same. The electronic label includes: a plurality of display screens; a communicator configured to receive content data to be displayed on the plurality of display screens; and a controller comprising a serial data interface and configured to transmit, through the serial data interface, the content data to be displayed on the plurality of display screens and a control signal generated by the controller for controlling the plurality of display screens to the plurality of display screens respectively, so as to control the plurality of display screens to display the respective content data received according to the control signal.

Abstract: A method for receiving a signal in a wireless communication system includes: receiving and demodulating a signal transmitted by using a quadrature spatial modulation technology to obtain a complex symbol; and decoding the complex symbol with a spherical decoding detection algorithm. Decoding includes, for the ith layer of a constellation symbol, discarding the constellation symbol if a calculated radius of the ith layer is greater than a minimum radius of the ith layer; otherwise updating the minimum radius of the ith layer according to the calculated radius; where i is a natural number in a range between Nr and 1; Nr is the number of receiving antennas; and for each constellation symbol that is not discarded, taking a sum of the radii of respective layers of the constellation symbol as the radius of the constellation symbol, and selecting a constellation symbol with the smallest radius as a symbol obtained from the decoding.