A scanning beam display system includes an optical module, an image control module, and a display screen on which optical beams are scanned. The optical module includes a vertical adjuster placed in the optical paths of the beams to control and adjust positions of the optical beams along a generally vertical direction on the display screen, and a control unit configured to receive control instructions for the vertical adjuster and to control the vertical adjuster to be at one of a predetermined number of orientations to place the scanning optical beams at a corresponding distinct position on the display screen. The control unit is further configured to apply an adjustment offset to each orientation of the vertical adjuster such that each immediately vertically adjacent pair of beam footprints projected on the display screen resulting from the plurality of positions have a vertical overlap that is larger than a first threshold.

A liquid crystal display device includes a display panel having a plurality of pixels that is defined by a plurality of gate lines and a plurality of source lines and is each provided with a switching element and a pixel electrode. The liquid crystal display device further includes a gate line drive circuit configured to scan the gate lines, and a source line drive circuit configured to supply each of the source lines with a data signal by means of column inversion driving. The gate line drive circuit divides the plurality of gate lines into at least two groups, and sequentially scans the gate lines once per group in one frame. The at least two groups include a group of the gate lines scanned in the one frame in a first direction in which the gate lines are aligned, and a group of the gate lines scanned in a second direction opposite to the first direction.

Provided is a video processing device that generates a display video signal to be supplied to a liquid crystal display having a liquid crystal that is driven by a frame inversion scheme and includes a control microcomputer and a video signal processor. The control microcomputer controls a data enable signal such that a display invalid section having a predetermined number of fields is set for an interlace video signal at a predetermined period based on a vertical synchronization signal included in the interlace video signal input from outside. The video signal processor generates the display video signal by setting the display invalid section for the interlace video signal based on the data enable signal and outputs the display video signal to the liquid crystal display.

Aspects of the subject technology relate to display circuitry. The display circuitry includes gate-in-panel (GIP) control circuitry on opposing sides of a display pixel array. The GIP control circuitry can include scan drivers for each pixel row on both sides of that pixel row, the scan drivers on either side configured for enablement or disablement for single-sided reduced-power operations. The GIP control circuitry can include a single scan driver and a single emission controller for each pixel row, in which the scan driver and emission controller for each row are disposed on opposing sides of the row. The scan drivers for a first subset of the pixel rows can be interleaved with the emission controllers for a different subset of the pixel rows.

A liquid crystal display includes a display unit having a plurality of pixels in a plurality of first rows and second rows that are alternately arranged. A gate driver supplies a same scan signal to a plurality of pixels of a first row and a second row that are adjacent to each other among the plurality of first rows of pixels and the plurality of second rows of pixels at a first frame period and a second frame period that are continuous. A plurality of scan signals are respectively supplied to the plurality of second rows of pixels at the second frame period. A data driver generates a plurality of data voltages respectively corresponding to the plurality of first rows of pixels at the first frame period and generating a plurality of data voltages respectively corresponding to the plurality of second rows of pixels at the second frame period.

A display panel, a driving method for the display panel and a display device. The display panel includes a gate driving circuit, the gate driving circuit includes shift registers of a plurality of stages arranged in sequence, the shift registers of the plurality of stages arranged in sequence are combined into N groups of gate driving sub-circuits, and shift registers in the N groups of gate driving sub-circuits are cascaded, respectively; an m-th group of gate driving sub-circuits in the N groups of gate driving sub-circuits comprises a shift register of an m-th stage and a shift register of an (m+L*N)th stage that are cascaded, where m is an integer that is greater than or equal to 1 and less than or equal to N, L is an integer that is greater than or equal to 1, N is an even number that is greater than or equal to 2.

A touch display device includes a touch display panel for displaying an image corresponding to a touch applied from outside the touch display device, a gate driver for sequentially driving all gate lines of the touch display panel once during a unit field period including at least two continuous field periods, in such a manner that a total gate driving period corresponding to a sum of individual gate driving periods of all gate lines is shorter than the unit field period, and a touch control unit for defining periods of the unit field period other than the total gate driving period, as a touch sensing period, and performing an operation for sensing a touch on the touch display panel during the touch sensing period.

A display apparatus includes a display panel having a plurality of gate lines, a plurality of data lines, and a plurality of subpixels. Each of the plurality of subpixels includes a subpixel electrode connected to one of the plurality of gate lines and one of the plurality of data lines through a switching element. A gate driver is configured to output a plurality of gate signals to the plurality of gate lines and to deactivate at least one of the plurality of gate signals in a P-th frame. A data driver is configured to output a plurality of data voltages to the plurality of data lines. Here, P is a positive integer.

A display method and display device are provided. The method includes: detecting whether a displayed content in a display screen changes; in response to detecting that the displayed content does not change, controlling the display screen to update alternately display data respectively corresponding to odd pixels and even pixels in each row of display unit. The number of updated pixels of the display screen each time may be reduced, while the original refresh frequency is maintained, so the problem that the splash screen phenomena is caused in the display screen by reducing the refresh frequency of the display screen may be solved, thus achieving effects of avoiding the splash screen phenomena of the display screen and of reducing the power consumption of the display screen while maintaining the original refresh frequency of the display screen.

A display device with an integrated touch screen and a method of driving the same are provided. The display device includes a panel configured to operate in a first display operation period, a first touch operation period, a second display operation period, and a second touch operation period, and include a touch electrode overlapping a plurality of gate lines and a plurality of data lines, and a gate driver configured to sequentially apply a gate-on voltage to an odd-numbered gate line among the plurality of gate lines during two horizontal periods in the first display operation period, and in the second display operation period, sequentially apply the gate-on voltage to an even-numbered gate line among the plurality of gate lines during two horizontal periods.