Example embodiments of disclosed configurations include a liquid crystal display with segmented backlight units that can be controlled individually. In one or more embodiments, the liquid crystal display includes a liquid crystal layer including a plurality of liquid crystals grouped into a plurality of liquid crystal portions, and a backlight coupled to the liquid crystal layer. The backlight includes a plurality of backlight units, where each backlight unit faces a corresponding liquid crystal portion and is configured to project light towards the corresponding liquid crystal portion.

The present disclosure provides an array substrate. The array substrate includes a display region and a plurality of control lines, the display region being divided into a plurality of sub-regions, each sub-region comprising a plurality of pixels, each pixel including a common electrode. Common electrodes in pixels in a sub-region are electrically connected together; common electrodes in two sub-regions are connected by a switching unit; and a control line is connected with the common electrodes in the sub-region to provide a common voltage signal to the common electrodes.

A novel circuit, a novel display portion, a novel display system, or the like is provided. A circuit, a display portion, a display system, or the like which has low power consumption is provided. A plurality kinds of video signals are generated by division of input data and supplied to different pixel groups. Thus, for example, the plurality of video signals can be supplied individually, and the operation states of a plurality of driver circuits can be controlled individually, leading to fine-grained operation with low power consumption. Accordingly, a decoder, a display portion, or a display system having low power consumption can be provided.

A display device (2) includes a processor (13) that outputs drawing data and a timing controller (11) that outputs the drawing data input from the processor according to horizontal synchronization and vertical synchronization. When a still image region where drawing data has not been updated compared with a previous frame and a moving image region where drawing data has been updated compared with a previous frame are included in one frame, the processor transmits data update information, which is for specifying the position of the moving image region or a line including the moving image region, to the timing controller temporally earlier than drawing data of the line including the moving image region. The timing controller performs processing for lowering the frame rate of the still image region or processing for thinning out some of image lines of the still image region based on the data update information.

A driving circuit for a display panel is provided as well as a display apparatus. The driving circuit includes a plurality of timing controllers, a plurality of source drivers and a gamma voltage generation circuit. The gamma voltage generation circuit is used to supply a plurality of gamma voltages to each of the plurality of source drivers. The display apparatus includes the driving circuit.

A shift register unit includes an input circuit, a first control circuit, a second control circuit and an output circuit. The input circuit is configured to provide signals of the signal input terminal to the first control node, and provide signals of the first power supply terminal or the first clock signal terminal to the second control node. The first control circuit is configured to provide signals of the second power supply terminal or the second clock signal terminal to the first output terminal. The second control circuit is configured to provide signals of the first power supply terminal to the second output terminal. The output circuit is configured to provide signals of the second power supply terminal to the second output terminal.

An LCD includes a 2-D array of pixels including at least one transmissive light modulator including a first light modulation signal input, and at least one reflective light modulator including a second light modulation signal input, a processor configured to provide a plurality of images to a display driver; and a display driver configured to provide the plurality of images to the 2-D array of pixels, wherein the display driver provides a first image frame to the transmissive light modulator, wherein the display driver provides a second image frame to the reflective light modulator; wherein the display driver provides a first image frame to the transmissive light modulator, wherein the display driver provides a second image frame to the reflective light modulator, and wherein the first image frame is displayed by the transmissive light modulator at the same time the second image frame is displayed by the reflective light modulator.

A display device includes a sensor, a display panel, and a plurality of electrodes for a touch sensor. The plurality of electrodes include drive electrodes and detection electrodes. The drive electrodes are also used as common electrodes for display, which are provided in the display panel. An image display operation of the display panel and a driving operation of the electrodes for the touch sensor are performed in a time sharing manner. In the driving operation of the electrodes for the touch sensor, a code division multiplexing (CDM) drive is performed in units of successive common electrodes, and a drive signal which synchronizes with the CDM drive is input to all common electrodes other than successive common electrodes subjected to the CDM drive.

A display panel and an image data compensation method thereof are provided. The display panel includes a first data driving module and a second data driving module. The first data driving module is configured to provide image data signals for a first display area and perform De-Mura compensation. The second data driving module is configured to provide image data signals for a second display area and perform De-Mura compensation. The first data driving module is configured to obtain image data of the second display area after De-Mura compensation, and adjust image data of a first compensation area adjacent to the second display area in the first display area. The second data driving module is configured to obtain image data of the first display area after De-Mura compensation, and adjust image data of a second compensation area adjacent to the first display area in the second display area.

A voltage drop compensator for a display device and the display device including the same are disclosed. In one aspect, the voltage drop compensator includes a region divider, an expected current calculator, a conversion matrix generator, a representative voltage calculator, and a compensator. The region divider is configured to divide the display panel into a plurality of regions, and the display panel includes a plurality of power lines and a plurality of pixels configured to receive a power voltage via the power lines. The expected current calculator is configured to calculate an expected current to flow in each of the regions based on input data provided to each of the regions. The conversion matrix generator configured to generate a conversion matrix based on a line resistance of each of the power lines and convert the expected current to a representative voltage provided to the regions based on the conversion matrix.