Abstract: Embodiments of the present disclosure provide a comparator. The comparator includes a first current source circuit, a pre-amplifier circuit, an amplifier circuit, a comparison circuit, and an output circuit. The first current source circuit is configured to provide a first constant current to the pre-amplifier circuit. The pre-amplifier circuit is configured to amplify a first input signal into a first pre-amplified signal and amplify a second input signal into a second pre-amplified signal based on a first constant current. The amplifier circuit includes a current mirror and a load circuit. The load circuit comprises a differential diode-connected transistor. The comparison circuit is configured to compare the first amplified signal with the second amplified signal. The output circuit is configured to output a first voltage or a second voltage based on a result of the comparison.

Abstract: The present disclosure discloses a sampling method, a sampling control method, a sampling device, a sampling control device, a sampling control system, and a display device. The present disclosure provides a sampling method for sampling pixel units disposed on a display substrate, the method including: the controller controlling a plurality of sampling modules to be simultaneously turned on, so that a plurality of sampling modules controlled by the controller are capable of receiving luminance information of the pixel units obtained through sampling of the sampling channel; the controller sequentially controlling a group of sampling channels to be simultaneously turned on, so that the group of sampling channels simultaneously sample the luminance information, and transmit the sampled luminance information to respective sampling modules connected to the group of sampling channels through the output terminals of the group of sampling channels.

Abstract: Embodiments of the present disclosure provide a digital-to-analog converter, a conversion circuit and a display device. An M-bit digital-to-analog converter includes a higher M?N-bit digital-to-analog conversion circuit, a voltage conversion circuit, an output circuit. The higher M?N-bit digital-to-analog conversion circuit includes: a higher M?N-bit voltage division generation circuit, a first voltage selection circuit. The first voltage selection circuit selects a first voltage from the higher M?N-bit voltage division generation circuit based on a higher M?N-bit digital signal, to be output from a first voltage end. The voltage conversion circuit charges a capacitor circuit under the control of a first switch circuit and a second switch circuit, and discharges a second voltage to a second voltage end through the capacitor circuit.

Abstract: An instruction execution method suitable for being executed by a processor is provided. The first processor comprises a register alias table (RAT) and a reservation station. The instruction execution method includes: a register alias table receives a first micro-instruction and a second micro-instruction and issues the first micro-instruction and the second micro-instruction to the reservation station; and the reservation station assigns one of a plurality of execution units to execute the first micro-instruction, according to the first specific message of the first micro-instruction; and the reservation station assigns one of the execution units to execute the second micro-instruction, according to the second specific message of the second micro-instruction.

Abstract: Disclosed are a circuit and a method for detecting a driving current of an organic light emitting diode display device, and an organic light emitting diode display device, the method includes: after detecting for a predetermined time period, obtaining an output voltage of the integrating circuit, and comparing the output voltage with at least one reference voltage; in the case that the output voltage and the reference voltage satisfy a predetermined condition, adjusting capacitance of a capacitor of the integrating circuit.

Abstract: A digital to analog converter, a method for driving the same, and a display device are provided. The digital to analog converter includes: a first resistor string, 2m first multiplexers, a first voltage selector, a second resistor string, a second voltage selector, and a second multiplexer, where the 2m first multiplexers, the first voltage selector, and the second voltage selector operate in cooperation with each other so that the entire second resistor string can be connected in series to the first resistor string for further division.

Abstract: The present disclosure discloses a sampling method, a sampling control method, a sampling device, a sampling control device, a sampling control system, and a display device. The present disclosure provides a sampling method for sampling pixel units disposed on a display substrate, the method including: the controller controlling a plurality of sampling modules to be simultaneously turned on, so that a plurality of sampling modules controlled by the controller are capable of receiving luminance information of the pixel units obtained through sampling of the sampling channel; the controller sequentially controlling a group of sampling channels to be simultaneously turned on, so that the group of sampling channels simultaneously sample the luminance information, and transmit the sampled luminance information to respective sampling modules connected to the group of sampling channels through the output terminals of the group of sampling channels.

Abstract: Embodiments of the present disclosure provide a comparator. The comparator includes a first current source circuit, a pre-amplifier circuit, an amplifier circuit, a comparison circuit, and an output circuit. The first current source circuit is configured to provide a first constant current to the pre-amplifier circuit. The pre-amplifier circuit is configured to amplify a first input signal into a first pre-amplified signal and amplify a second input signal into a second pre-amplified signal based on a first constant current. The amplifier circuit includes a current mirror and a load circuit. The load circuit comprises a differential diode-connected transistor. The comparison circuit is configured to compare the first amplified signal with the second amplified signal. The output circuit is configured to output a first voltage or a second voltage based on a result of the comparison.

Abstract: A digital to analog converter, a method for driving the same, and a display device are provided. The digital to analog converter includes: a first resistor string, 2m first multiplexers, a first voltage selector, a second resistor string, a second voltage selector, and a second multiplexer, where the 2m first multiplexers, the first voltage selector, and the second voltage selector operate in cooperation with each other so that the entire second resistor string can be connected in series to the first resistor string for further division.

Abstract: Provided are an external compensation circuit and method, and display device in the field of display techniques. The external compensation circuit includes a regulation sub-circuit that may collect a driving current loaded to a light-emitting unit and a reference current from a reference current source, and regulate potentials at two nodes connected to a compensation sub-circuit according to the collected current, to enable the compensation sub-circuit to calibrate a data signal to be input to a pixel circuit according to a potential difference between the two nodes.

Abstract: The present disclosure provides conversion circuit and operation method thereof, compensation device, and display apparatus. The conversion circuit includes a conversion unit connected between an output terminal and a first voltage terminal, and an input unit connected with an input terminal and the conversion unit respectively; the input unit is configured to receive current signal from the input terminal and supply the current signal to the conversion unit, and the conversion unit is configured to convert the current signal supplied by the input unit into voltage signal and output the voltage signal from the output terminal; and an equivalent resistance of the conversion unit is configured such that preset voltage corresponding to standard current is output from the output terminal when the standard current is input from the input terminal. With the technical solutions of the present disclosure, drive current for pixel can be accurately converted into voltage signal.

Abstract: The present application discloses an analog-to-digital conversion (ADC) circuit. The circuit includes an integral circuit including an operational amplifier and an integral capacitor. The circuit further includes a comparator and a timer. The operational amplifier includes a positive input terminal configured to receive a first voltage, a negative input terminal coupled to a signal-collection line configured to collect an analog current signal, and an output terminal configured to output a first output signal. The comparator is configured to compare the first output signal with a second voltage to generate a second output signal to the timer. The timer is configured to start a timing operation when the operational amplifier receives the analog current signal and end the timing operation when the second output signal changes. A binary data resulted from the timing operation characterizes a digital signal corresponding to the analog current signal.

Abstract: A method is disclosed for controlling charging/discharging of a capacitor module. The capacitor module includes a plurality of branches connected in parallel, each of which includes a capacitor and a switch connected in series with the capacitor. The method includes measuring a first charge/discharge time for the capacitor module being charged/discharged from an initial voltage to an intermediate voltage, and To adjusting a second charge/discharge time for the capacitor module being further charged/discharged from the intermediate voltage to a target voltage by controlling on/off of at least one of the switches depending on the first charge/discharge time, the intermediate voltage being between the initial voltage and the target voltage. Also disclosed are an apparatus for controlling charging/discharging of a capacitor module and a display apparatus including the apparatus.

Abstract: An OLED pixel circuit and a display apparatus comprising the OLED pixel circuit. An OLED pixel circuit comprises an OLED and driving units (TFT1, S1, C) for driving the OLED to emit light, wherein one electrode of the OLED is connected to the driving units (TFT1, S1, C). The OLED pixel circuit further comprises compensation units (R1, S2, TFT2, R2). The compensation units (R1, S2, TFT2, R2) comprises a sensing element (R1) which can sense light and convert an optical signal of the OLED into an electrical signal. The compensation units (R1, S2, TFT2, R2) compensate for currents used by the driving units (TFT1, S1, C) to drive the OLED according to the light-emitting brightness of the OLED.

Abstract: Embodiments of the present disclosure relate to a digital-to-analog conversion circuit and method, a source driver, and a display apparatus. The digital-to-analog conversion circuit includes a first digital-to-analog converter corresponding to m high bits of (m+n)-bit digital signal and a second digital-to-analog converter corresponding to n low bits, where m and n are integers greater than 0. The first digital-to-analog converter comprises a voltage division module configured to generate 2m reference voltages at equal intervals in voltage; a first voltage selection module configured to select, from the 2m reference voltages, a first voltage corresponding to the m bits; and an operation module configured to generate a second voltage higher than the first voltage by the interval in voltage based on two adjacent reference voltages of the 2m reference voltages and the first voltage.

Abstract: The present application discloses an analog-to-digital conversion (ADC) circuit. The circuit includes an integral circuit including an operational amplifier and an integral capacitor. The circuit further includes a comparator and a timer. The operational amplifier includes a positive input terminal configured to receive a first voltage, a negative input terminal coupled to a signal-collection line configured to collect an analog current signal, and an output terminal configured to output a first output signal. The comparator is configured to compare the first output signal with a second voltage to generate a second output signal to the timer. The timer is configured to start a timing operation when the operational amplifier receives the analog current signal and end the timing operation when the second output signal changes. A binary data resulted from the timing operation characterizes a digital signal corresponding to the analog current signal.

Abstract: A control method, a network system and a control platform for mobile-edge computing (MEC) are provided. The control method can select at least one of relay gateways in the device-to-device relay network as a mobile-edge cloudlet for a user equipment. An application service program may be performed by the mobile-edge cloudlet, that the user equipment may receive a corresponding response with respect to an application service without accessing to a core network.

Abstract: Embodiments of the present application provide a digital-to-analog conversion circuit, a method thereof and a display apparatus. The digital-to-analog conversion circuit comprises a voltage dividing sub-circuit, having 2m of voltage dividing signal terminals and 2n-m?1 of sub-voltage dividing signal terminals; a first voltage selecting sub-circuit, configured to receive the first bit to the (n?m)th bit of the digital signal, and convert it into a first analog signal; a second voltage selecting sub-circuit, configured to receive the (n-m+1)th bit to the nth bit of the digital signal and to convert it into a second analog signal; and a buffering sub-circuit, configured to generate an analog signal based on the first analog signal, the second analog signal and the signal from the ith voltage dividing signal terminal and to output the analog signal to an analog signal outputting terminal of the digital-to-analog conversion circuit.

Abstract: Embodiments of the present disclosure relate to a digital-to-analog conversion circuit and method, a source driver, and a display apparatus. The digital-to-analog conversion circuit includes a first digital-to-analog converter corresponding to m high bits of (m+n)-bit digital signal and a second digital-to-analog converter corresponding to n low bits, where m and n are integers greater than 0. The first digital-to-analog converter comprises a voltage division module configured to generate 2m reference voltages at equal intervals in voltage; a first voltage selection module configured to select, from the 2m reference voltages, a first voltage corresponding to the m bits; and an operation module configured to generate a second voltage higher than the first voltage by the interval in voltage based on two adjacent reference voltages of the 2m reference voltages and the first voltage.

Abstract: A method is disclosed for controlling charging/discharging of a capacitor module. The capacitor module includes a plurality of branches connected in parallel, each of which includes a capacitor and a switch connected in series with the capacitor. The method includes measuring a first charge/discharge time for the capacitor module being charged/discharged from an initial voltage to an intermediate voltage, and To adjusting a second charge/discharge time for the capacitor module being further charged/discharged from the intermediate voltage to a target voltage by controlling on/off of at least one of the switches depending on the first charge/discharge time, the intermediate voltage being between the initial voltage and the target voltage. Also disclosed are an apparatus for controlling charging/discharging of a capacitor module and a display apparatus including the apparatus.