Patent classifications
G09G3/2096
Drive control method and apparatus, and display device
Disclosed are a drive control method and apparatus and a display device. The drive control method may be applied to a controller, and include: adding at least one configuration instruction into a target region of one row of data to obtain a target row of data, wherein the configuration instruction is intended for self-configuration of a drive parameter by a first driver chip, and the target region includes at least one of a blank region and a region where display data is located; and sending the target row of data to the first driver chip.
DISPLAY DEVICE
A display device including: a power management integrated circuit (IC) including a feedback terminal for receiving a feedback voltage that corresponds to an input voltage and an output terminal for supplying a first voltage; a display driver IC electrically connected to the power management IC, the display driver IC including an input terminal for receiving the input voltage that corresponds to the first voltage; and a frequency compensation circuit connected to the input terminal, the feedback terminal, and the output terminal, the frequency compensation circuit including a feedback capacitor and a feedback resistor.
Display apparatus and control method thereof
A display apparatus is disclosed. The display apparatus includes a display panel configured to drive a frame of a first resolution at a first frame rate, a communication interface comprising circuitry configured to receive content, and a processor configured to, based on a frame rate of the received content being greater than the first frame rate, adjust the received content to a second resolution, and to control the display panel to display a content of the second resolution at a second frame rate, the second frame rate being greater than the first frame rate.
Burn-in compensation scheme for light-emitting diode based displays
Embodiments of the present disclosure relate to a pixel circuit with a burn-in compensation. The pixel circuit includes a light-emitting diode (LED), a first driving transistor between a voltage source and the LED, a switching transistor coupled to a gate electrode of the first driving transistor, and a second driving transistor connected between the voltage source and the LED. The first driving transistor provides first current from the voltage source to the LED according to a gate voltage of the first driving transistor. The switching transistor is turned on after receiving an enable signal. The second driving transistor provides second current from the voltage source to the LED according to a version of the gate voltage of the first driving transistor received at a gate of the second driving transistor via the switching transistor.
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.
BLUETOOTH PROGRAMMABLE LED SIGN
The subject matter contained herein relates to a programmable electronic display that can be controlled by a mobile device, such as a cell phone. Said display is configured to be placed for view outside a vehicle, such as the rear window of a car or a truck bed gate or on top of the roof of a car.
LED DISPLAY SYSTEM AND CONTROL METHOD THEREOF
Disclosed is a LED display system and a control method thereof. The display system comprises a control card outputting clock signals and data signals; at least one driving circuit group, coupled with the control card, and each including a plurality of cascaded driving circuits, receiving a clock signal and a data signal and transmitting them among the plurality of driving circuits, wherein at least one stage of driving circuit in each driving circuit group comprises an inverter, which inverts the clock signal received by the current stage of driving circuit to obtain an inverted clock signal. The LED display system of the present disclosure can effectively avoid excessive attenuation of the clock signal in the cascaded driving circuits, ensure data sampling correctness based on the clock signal, and ensure display effect of the LED display screen.
METHOD FOR MANAGING PIXEL OF DISPLAY, AND ELECTRONIC DEVICE SUPPORTING SAME
An electronic device is provided. The electronic device includes a display including a plurality of pixels, and a processor, each of a plurality of pixels may include a plurality of sub pixels, the plurality of sub pixels may include first type pixels including first type sub pixels observed at a first viewing angle, and second type pixels being adjacent to the first type pixels and including second type sub pixels observed at a second viewing angle that is smaller than the first viewing angle, and the processor configured to, for a plurality of groups including first type pixels and second type pixels, perform a control such that turn-on ratios of the first type pixels and the second type pixels in, a plurality of groups, a first group are different from turn-on ratios of those of, among the plurality of groups, a second group that is different from the first group.
DISPLAY APPARATUS AND DRIVING METHOD THEREOF
A display apparatus includes: a display panel; a backlight unit including a plurality of backlight blocks; and a processor configured to drive the backlight unit to output light, wherein the processor may be further configured to: adjust a first image having a first resolution to a second image having a second resolution that is smaller than the first resolution, divide an image area corresponding to a first backlight block among the plurality of backlight blocks in the second image having the second resolution into a plurality of image areas, acquire current information corresponding to the first backlight block and a second backlight block adjacent to the first backlight block, based on the plurality of image areas, and drive the backlight unit based on the acquired current information.
DISPLAY APPARATUS AND DATA DRIVER
In a first output mode, a signal in which a data pulse having a positive polarity voltage value appears in a predetermined cycle is output as a positive polarity gradation data signal, and a signal in which a data pulse having a negative polarity voltage value appears in the predetermined cycle with a phase different from the positive polarity gradation data signal is output as a negative polarity gradation data signal. In a second output mode, the above positive polarity gradation data signal is generated, and a signal in which a data pulse having a negative polarity voltage value appears in the predetermined cycle with the same phase as the positive polarity gradation data signal is output as the negative polarity gradation data signal. The first and second output modes are alternatively executed, and the output mode is switched within a predetermined period at intervals of the predetermined period.