The present disclosure provides a display driving method for a display panel, comprising: calculating a difference value of display data; converting difference values as well as display data of rows in the display image of the current frame for which difference values are not calculated into gray scale voltages; increasing or decreasing a gray scale voltage corresponding to the difference value on a gray scale voltage corresponding to the display data of a corresponding row in the display image of the previous frame and outputting the obtained gray scale voltage to a respective data line; and outputting a gray scale voltage corresponding to the display data of the row in the display image of the current frame for which the difference value is not calculated to a respective data line. The present disclosure further provides a display driving circuit and a display device.

The present invention provides a liquid crystal display panel comprising: a display area in which a display area in which an array of pixel units is disposed, each of the pixel unit at least comprises a blue sub-pixel; a plurality of scan lines for providing a plurality of scan signals to the pixel units; and a plurality of data lines for providing a plurality of data signals to the pixel units, wherein the blue sub-pixels of the pixel units in every two separated columns, which are separated by one column, are coupled to a first data line, and the first data line provides an identical data signal to the blue sub-pixels in a same line of the two separated columns. The present invention further provides a method for driving the liquid crystal panel and a liquid crystal display comprising the above mentioned liquid crystal panel.

An OLED display panel is provided. The OLED display panel includes a plurality of sub-pixels arranged in an array and a plurality of pixel drive circuits for driving the sub-pixels. At least one of the pixel drive circuits comprises a reset module, a data signal input module, a storage module, a light emitting device, and a drive module. The drive module drives a first light emitting device and a second light emitting device to emit light in a first display stage, and drives the first light emitting device to emit light in a second display stage, whereas the second light emitting device does not emit light.

A display driving method, a display driving device and a display device are provided. The display driving method includes: detecting corresponding voltage change degrees of a display panel when the display panel adopts different wiring approaches to display an image to be displayed; comparing the detected voltage change degrees to obtain a minimum voltage change degree; and controlling the display panel to adopt a wiring approach corresponding to the obtained minimum voltage change degree, and displaying the image to be displayed using source voltages corresponding to the wiring approach. A display panel in the disclosure can display images of different types with low power consumption, and hence the power consumption of the display panel can be greatly reduced.

Systems and techniques for scanning-beam display are provided to use local dimming on the optical energy of at least one optical beam to minimize the non-uniform image brightness across the screen. This local dimming during the beam scanning can be achieved by adjusting optical energy of at least one optical beam during the scanning based on (1) the location of the scanning optical beam and (2) the predetermined distortion information at the location.

A liquid crystal display device includes a first substrate including a pixel electrode and a common electrode, a second substrate disposed opposite to the first substrate, and a liquid crystal layer that is disposed between the first substrate and the second substrate. The liquid crystal layer includes a liquid crystal molecule having a positive dielectric anisotropy. In a first pixel and a second pixel, which are adjacent to each other, when a first data voltage applied to the first pixel in an input video signal is higher than a second data voltage applied to the second pixel in the input video signal, a first correction data voltage in which the first data voltage is corrected lower is applied to the first pixel.

A display comprises a matrix comprising a plurality of N rows divided into a plurality of M columns of cells, each cell including a light emitting device; a scan driver providing a plurality of N scan line signals to respective rows of said matrix, each for selecting a respective row of the matrix to be programmed with pixel values; and a data driver providing a plurality of M variable level data signals to respective columns of the matrix, each for programming a respective pixel within a selected row of the matrix with a pixel value. A pulse driver provides a plurality of N driving signals to respective rows of the matrix, each driving signal comprising successive sequences of pulses enabling the cells to emit light according to their programmed pixel values during respective sub-frames of successive frames to be displayed. The data driver is arranged to provide variable level data signals to respective pixels within a selected row of the matrix during a limited number of sub-frames of a frame, the variable data levels corresponding to a programmed value of a plurality of bits of a pixel value for a frame. The data driver is further arranged to provide data signals to respective pixels within a selected row of the matrix during a remaining number of sub-frames of a frame, the data signals each corresponding to a programmed value of a single bit of a pixel value for a frame.

A video processing circuit for specifying an applied voltage that is applied to a liquid crystal included in each pixel on the basis of a video signal, the video processing circuit includes a correction unit configured to, if the applied voltage specified by the video signal is a voltage of a level lower than a voltage level that is sufficient to an extent that can provide liquid crystal molecules with initial inclination angles, perform correction so that the applied voltage has a voltage level that is sufficient to an extent that can provide the liquid crystal molecules with initial inclination angles.

An operational amplifier includes a first transistor, a second transistor, a third transistor, a first constant current source, an output state, a first switch, and a second switch. The first transistor has a first gate configured to receive an output voltage from an output node. The second transistor has a second gate. The third transistor has a third gate configured to receive an input voltage. The first constant current source is coupled to sources of the first transistor, the second transistor, and the third transistor. The output stage is configured to drive the output voltage on the output node based on a first current through the first transistor, a second current through the second transistor, and a third current through the third transistor. The first switch is coupled between the second gate of the second transistor and the third gate of the third transistor; and the second switch is coupled between the output node and the second gate of the second transistor.

A display apparatus is disclosed. The display apparatus includes a converter configured to convert image pixel values corresponding to three primary colors (e.g., red, green and blue) into tri-stimulus values, a first maximum value unit configured to output a maximum value of the image pixel values as a first maximum value, a second maximum value unit configured to output a maximum value of the tri-stimulus values as a second maximum value, a gain adjuster configured to output a gain adjustment corresponding to the first maximum value and the second maximum value, and a gain applier configured to output a color adjustment value corresponding to the tri-stimulus values and the gain adjustment.