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Display device with distributed driver circuits and shared multi-wire communication interface for dimming data
Display device with distributed driver circuits and shared multi-wire communication interface for dimming data
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机译:具有分布式驱动电路的显示设备和用于调光数据的共享多线通信接口
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摘要
Embodiments relate to a display device that includes a control circuit, an array of light emitting diode (LED) zones, and an array of driver circuits that are distributed in the display area. The driver circuits are arranged in groups that are coupled to each other and to the control circuit in a serial communication chain via serial communication lines. The group of driver circuits are also coupled in parallel to a shared multi-wire command line that provides a high-speed interface for providing the driver control signals from the control circuit. The control circuit may furthermore issue readback commands to the driver circuits via the shared multi-wire command line or the serial communication chain. In response to the commands, the driver circuits provide readback data via a readback line through the serial communication chain or via parallel connections from the driver circuits.
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