Patent classifications
G09G2310/06
Driving method for display panel, driving device thereof and display device
The present application discloses a driving method for a display panel, a driving device thereof and a display device. The driving method includes: performing square wave conversion on drive data received by each channel to obtain data line signals, where square wave signals generated by the conversion of different gray scales in the corresponding drive data have an identical high level, and the time of low level output is different.
Circuit of controlling common voltage of liquid crystal panel
The present disclosure relates to a circuit of controlling a common voltage of a liquid crystal panel. According to an embodiment of the present disclosure, a voltage control circuit is configured to provide a common voltage to a common electrode of a liquid crystal panel. The liquid crystal panel includes M rows and N columns of pixel units. Each pixel unit is coupled to the common electrode. The voltage control circuit includes an operational amplifier arranged in a negative feedback configuration. The operational amplifier includes: an input stage, a gain stage and an output stage. The output stage includes a second NMOS transistor and a second PMOS transistor. A gate of the second NMOS transistor receives a first control signal, a drain of the second NMOS transistor is coupled to a gate of a first PMOS transistor, and a source of the second NMOS transistor is coupled to a second reference voltage. A gate of the second PMOS transistor receives a second control signal, a drain of the second PMOS transistor is coupled to a gate of a first NMOS transistor, and a source of the second PMOS transistor is coupled to a third reference voltage.
STAGE AND EMISSION CONTROL DRIVER HAVING THE SAME
A stage circuit including: an output circuit for supplying a voltage of a first or second power supply to an output terminal in response to voltages of first and second nodes; an input circuit for controlling voltages of the second node and a third node; a first signal processor for controlling the voltage of the first node; a second signal processor configured to control the voltage of the first node in response to an output voltage of a third signal processor and a signal supplied to a third input terminal; and the third signal processor for controlling the voltage of the second node. The third signal processor includes: a third capacitor coupled between the first power supply and the second node; and a third transistor coupled between the first power supply and the third input terminal, and including a gate electrode coupled to the second node.
Electro-optic displays, and methods for driving same
There are provided methods for driving an electro-optic display having a plurality of display pixels, a such method includes detecting a white-to-white graytone transition on a first pixel; and determining whether a threshold number of cardinal neighbors of the first pixel are not making a graytone transition from white to white, or if the first pixel is a color pixel, and apply a first waveform.
SYSTEMS AND METHODS OF DRIVING A DISPLAY WITH HIGH BIT DEPTH
Systems and methods for varying an intensity of pixels of displays are provided. A display subsystem may include a display driver for receiving image frame data and commands from an image or data source, including pixel intensity values for bit planes of an image frame; a parser for receiving the image frame data and the commands, and configured to determine a drive waveform having an pixel drive value and a pixel drive time interval for each bit plane of the image frame data; a display backplane for receiving the drive waveform, the display backplane including a pixel array comprising an array of pixels, each pixel driven by a pixel circuit; and display driver circuitry for driving the pixels in accordance with the drive waveform; and wherein an intensity of the pixel varies for each bit plane according to the pixel drive value and the pixel drive time interval.
Display device
A display device includes a data line, a pixel electrically connected to the data line, a data driver for outputting a data voltage, and a transmitter electrically connected between an output terminal of the data driver and the data line. The transmitter may transmit an instance of the data voltage to the data line in a first period. The transmitter may amplify a second instance of the data voltage to generate a reference voltage and then transmit the reference voltage to the data line in a second period different from the first period. The pixel includes a light emitting element for emitting light in response to the first instance of the data voltage. A voltage level of the reference voltage may be higher than a voltage level of the data voltage.
Manufacturing method of electronic device and electronic device
A manufacturing method of an electronic device and an electronic device are provided. The manufacturing method includes the following steps: providing a substrate; forming a plurality of signal lines and a testing circuit on the substrate, wherein the testing circuit includes a plurality of output channels electrically connected to at least a portion of the plurality of signal lines; performing a testing process; and optionally isolating the testing circuit from the at least a portion of the plurality of signal lines. The testing process includes: providing a signal; processing a plurality of testing signals by processing the signal via the testing circuit; and transmitting the plurality of testing signals to the at least a portion of the plurality of signal lines via the plurality of output channels. The plurality of output channels are less than the plurality of signal lines in quantity.
Display device for low power driving and method of operating the same
A display device includes a display panel, a display driver integrated circuit and a driving control circuit. The display panel includes a plurality of pixels connected to a plurality of driving lines and a plurality of source lines. The display driver integrated circuit includes a driving control signal generator. The driving control signal generator generates a driving control signal based on display device information and pixel values corresponding to at least a portion of the plurality of rows among a plurality of previous pixel values of a previous frame and a plurality of present pixel values of a present frame. The driving control circuit selectively connects the display driver integrated circuit with each of the plurality of driving lines based on the driving control signal such that first driving signals provided to first driving lines among the plurality of driving lines are blocked.
Display driving circuit, method for driving timing control circuit, and display device
A display driving circuit is provided. The display driving circuit includes a source driver, a temperature detecting circuit, and a timing control circuit, wherein the temperature detecting circuit is connected to the timing control circuit, and is configured to detect a temperature of the source driver; and the timing control circuit is further connected to the source driver, and is configured to output a source signal to the source driver based on the temperature of the source driver; wherein a magnitude of a voltage of the source signal is negatively related to the temperature of the source driver.
Control method of e-ink screen, and display control apparatus
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.