A display system includes first and second systems. First system includes first panel, first set of gate driver circuits, and first set of integrated source driver circuits, Second system includes second panel, second set of gate driver circuits, and second set of integrated source driver circuits. First set of integrated source driver circuits are cascaded-connected; the second set of integrated source driver circuits are cascaded-connected; a last one in the first set of integrated source driver circuits is coupled to a first one of the second set of integrated source driver circuits via an auxiliary communication port based on an auxiliary communication protocol; an auxiliary communication signal having frame start, frame resolution information of first system, and a system enable bit of first system is transmitted to second system via auxiliary communication port to synchronize image display operation of first system with image display operation of second system.

A driving apparatus capable of driving a display panel and an operation method thereof are provided. The driving apparatus includes an output circuit, a receiver circuit and a multiplexer. The output circuit is configured to output a driving voltage for driving a data line of the display panel. The receiver circuit is configured to receive display data for driving the display panel to present an image. A first input terminal of the multiplexer is configured to receive information data, wherein the information data is not configured to drive the display panel to present an image. A second input terminal of the multiplexer is coupled to an output terminal of the receiver circuit. An output terminal of the multiplexer is coupled to an input terminal of the output circuit.

In general, this disclosure describes techniques for communicating preferred color gamut settings from a sink device to a source device. The source device may send, through a video interface, first video data to the sink device, which receives the first video data through the video interface. The sink device may then send, through a feedback channel of the video interface, preferred color gamut settings of the sink device to the source device. The preferred color gamut settings may be for content received from the source device. The source device may adapt second video data using the preferred color gamut settings. The source device may then send, through the video interface, the second video data adapted to the preferred color gamut settings to the sink device.

Disclosed is a hardware controller of a Nand device, a control method and a liquid crystal display. The hardware controller includes: a bad block management module, configured to manage bad block information of the Nand device, where the bad block information represents a bad block set in the Nand device; a main control module, configured to receive an operation command of a terminal; wherein the operation command is used to indicate a read/write operation on a target block set of the Nand device and a data transmission mode to perform the read/write operation, and the data transmission mode includes at least one of parallel transmission and serial transmission; and a read/write module, configured to skip a block in the Nand device that exists both in the bad block set and the target block set, and perform the read/write operation on remaining blocks in the target block set.

An embodiment provides a technology for performing both high-speed data communication and low-speed data communication and transmitting a configuration value for the high-speed data communication through the low-speed data communication.

A display device includes: a host which transmits a first signal through a first interface, and transmits a second signal through a second interface different from the first interface; a display driver integrated circuit including a first interface unit which receives the first signal through the first interface, and a second interface unit which receives the second signal through the second interface; and a display panel which receives a data signal corresponding to the first signal and the second signal from the display driver integrated circuit, and displays an image.

The present invention relates to a video signal transmission device and the like that can support a variety of system specifications. The device includes a packer unit, an encoder unit, and a serializer. The packer unit generates, from a video signal of one or more pixels, a plurality of block signals having a packet configuration of size corresponding to the number of pixels and the number of tone bits of a color signal constituting a video signal. At this time, a control signal including a pulse having a width corresponding to the number of pixels and the number of tone bits is also generated. The encoder unit applies encoding processing having encoding efficiencies that are different between a first period and a second period of a control signal that are distinguished depending on existence or non-existence of a pulse to the block signals.

A switching device includes multimedia input interfaces for respectively receiving multiple multimedia signals, a switching unit electrically connected to the multimedia input interfaces, a multimedia output interface, an electrical characteristics modulator, and a controller. The switching unit outputs a selected multimedia signal according to a first control signal. The multimedia output interface includes a multimedia signal terminal for outputting the selected multimedia signals and a non-signal terminal. The electrical characteristics modulator changes an electrical characteristic of the non-signal terminal according to a second control signal. The controller is controlled to generate the first and the second control signals through a video switching method whereby the electrical characteristics modulator changes the electrical characteristic of the non-signal terminal thereby increasing compatibility between the switching device and a multimedia output device.

A display device includes a first connector which receives a first image signal and first driving power, a second connector which receives a second image signal and second driving power, a first control unit which processes the first image signal and the first driving power, a second control unit which processes the second image signal and the second driving power, a power management unit which receives the first and second driving powers from the first control unit and the second control unit, measures the first and second driving powers, and provides information about the first driving power and information about the second driving power to the first and second control units, and a display unit which receives one of the first and second image signals from one of the first and second control units and displays one of the first and second image signals.

Disclosed are a register value transmission method and transmitter, and a display device. The method may be used for a timing controller, and the method includes receiving a user triggered information setting directive including n register values for instructing a source driver to set configuration information of the source driver according to the n register values, n being greater than 1, generating an information setting instruction including the n register values according to the information setting directive, and sending the information setting instruction to the source driver. The disclosure solves the problem of low flexibility of matching the number of register values at both a receiving end and a sending end, and improves the flexibility of matching the number of register values.