In a case of applying a precharge signal to all data lines at the same time. A voltage output selection circuit that is connected to a data line drive circuit in an input stage and is connected to data lines in an output stage is provided. The voltage output selection circuit selects connection and non-connection between the data lines and the data line drive circuit when a precharge voltage is applied. A control circuit controls the voltage output selection circuit such that connection between the data lines and the data line drive circuit is selected in a first region in which an image is displayed and non-connection between the data lines and the data line drive circuit is selected in a second region covered with a light shielding layer. An increase in power consumption is suppressed even in a

A display may have an array of pixels such as liquid crystal display pixels. The display may include short pixel rows that span only partially across the display and full-width pixel rows that span the width of the display. The gate lines coupled to the short pixel rows may extend into the inactive area of the display. Supplemental gate line loading structures may be located in the inactive area of the display to increase loading on the gate lines that are coupled to short pixel rows. The supplemental gate line loading structures may include data lines and doped polysilicon that overlap the gate lines in the inactive area. In displays that combine display and touch functionality into a thin-film transistor layer, supplemental loading structures may be used in the inactive area to increase loading on common voltage lines that are coupled to short rows of common voltage pads.

A display device improves the grounding connection of a polarizer by using a metal bridge that couples the polarizer to a ground of the display device. The display device includes a backlight unit (BLU) for providing light for displaying an image, a plurality of pixels for modulating the light provided by the BLU, a polarizer for filtering the light provided by the BLU, and the metal bridge. The metal bridge is disposed in a non-display area surrounding a display area of the display device.

A portable information handling system presents visual images at first and second displays integrated in first and second rotationally-coupled housing portions. When the housing portions rotate to a clamshell configuration, a keyboard disposed on one of the displays accepts keyed inputs and, to save power, backlight segments below the keyboard are powered down. The display can present information as visual images proximate the keyboard with illumination provided by other backlight segments or by a secondary light source that is presented in coordination with liquid crystal panel pixels transitioning to transparent and opaque states.

A display driver circuit, configured to drive a display panel, includes a time recording circuit, a storage circuit, and an output control circuit. The time recording circuit calculates a first time interval between a first vertical synchronous pulse and a second vertical synchronous pulse subsequent to the first vertical synchronous pulse. The storage circuit stores a display data corresponding to the first vertical synchronous pulse when the first vertical synchronous pulse is received by the display driver circuit. The output control circuit is coupled with the time recording circuit and the storage circuit. When the display driver circuit receives the second vertical synchronous pulse, the output control circuit outputs data pieces, generated by dividing the display data, to the display panel. The data pieces are outputted at second time intervals, and each of the second time intervals is positively correlated with the first time interval.

Disclosed herein are liquid-crystal display (LCD) touch screens that integrate the touch sensing elements with the display circuitry. The integration may take a variety of forms. Touch sensing elements can be completely implemented within the LCD stackup but outside the not between the color filter plate and the array plate. Alternatively, some touch sensing elements can be between the color filter and array plates with other touch sensing elements not between the plates. In another alternative, all touch sensing elements can be between the color filter and array plates. The latter alternative can include both conventional and in-plane-switching (IPS) LCDs. In some forms, one or more display structures can also have a touch sensing function. Techniques for manufacturing and operating such displays, as well as various devices embodying such displays are also disclosed.

The display device includes: a flexible display panel including a display portion in which scanning lines and signal lines cross each other; a supporting portion for supporting an end portion of the flexible display panel; a signal line driver circuit for outputting a signal to the signal line, which is provided for the supporting portion; and a scanning line driver circuit for outputting a signal to the scanning line, which is provided for a flexible surface of the display panel in a direction which is perpendicular or substantially perpendicular to the supporting portion.

A display device includes a display panel including display pixels, and a display filter overlapping the display panel and including filter pixels that are greater in number than the display pixels, wherein in units of frame, each of the display pixels is configured to emit light at a luminance corresponding to one gray level, and wherein in units of sub-frames, each of the filter pixels is configured to be switched to a transmissive state or a non-transmissive state, wherein each of the sub-frames is shorter in period than a corresponding one of the frames.

The display device includes: a flexible display panel including a display portion in which scanning lines and signal lines cross each other; a supporting portion for supporting an end portion of the flexible display panel; a signal line driver circuit for outputting a signal to the signal line, which is provided for the supporting portion; and a scanning line driver circuit for outputting a signal to the scanning line, which is provided for a flexible surface of the display panel in a direction which is perpendicular or substantially perpendicular to the supporting portion.

A method of driving a display device. The display device comprises a liquid crystal panel, a display engine and a hologram engine. The liquid crystal display panel comprising a plurality of pixels. The display device comprises a display engine arrange to drive each pixel of the plurality of pixels during each display interval of a plurality of display intervals defined by the display device. Each pixel is driven in accordance with a drive signal. The drive signal may comprise a pixel voltage for each pixel. The display engine is arranged to invert the polarity of the drive signal every display interval. The hologram engine is arranged to send multi-level phase holograms for display to the display engine. The method comprises displaying the multi-level phase holograms in immediately consecutive display intervals without field inversion.