Display Gate Driver Segmentation for Faster Power Sequences

The display panel is divided into multiple display areas, and the gate driver is segmented into multiple shift registers (first shift register and second shift register). Each shift register can be independently initialized by separate start signals, allowing parallel initialization of different display areas. This segmentation enables the power-on and power-off sequences to occur simultaneously across multiple regions, significantly reducing the total sequence time while maintaining manageable circuit complexity through modular architecture.

Multiple start signals are prepared in advance and applied to different shift registers simultaneously during power-on and power-off sequences. This preliminary action of providing synchronized start signals to multiple regions allows the initialization process to begin in parallel across all display areas, rather than sequentially, thereby hastening the normal operation start time and end time without requiring complex dynamic control logic.

The gate driver is divided into multiple independent shift registers, each responsible for a specific display area. Each shift register has its own start signal input terminal, allowing independent control and initialization. This segmentation simplifies the control architecture by creating modular, self-contained units that can be operated independently, reducing the overall control complexity despite handling multiple display areas simultaneously.

During power-on and power-off sequences, all start signals are applied with the same phase, creating an equipotential condition where all display areas are initialized simultaneously. This approach simplifies the control logic by eliminating the need for complex phase coordination or timing adjustments between different regions, making the system easier to operate while maintaining high initialization speed.

The display panel is divided into multiple display areas, each served by a separate shift register. This segmentation allows parallel initialization of multiple regions simultaneously, significantly reducing the time to reach normal operation without requiring a fundamentally complex gate driver structure. The modular design maintains simplicity while achieving faster performance.

Instead of initializing subpixels in a single sequential dimension (one after another along one gate line), the system transitions to a two-dimensional parallel initialization approach where multiple shift registers initialize different display areas simultaneously. This dimensional change from sequential to parallel processing dramatically reduces the normal operation start time while keeping the gate driver structure relatively simple through modular replication.

The system dynamically adjusts the phase relationship of start signals based on the operational mode. During display refresh operations, different phases are applied to different shift registers to enable sequential scanning and improve display refresh efficiency. During power-on and power-off sequences, all start signals are synchronized to the same phase to enable simultaneous initialization and reduce sequence time. This dynamic adaptability resolves the contradiction by optimizing for the specific operational context.

The phase parameter of the start signals is changed according to the operational state. During normal display operation, phase differences are maintained between start signals for different display areas to achieve efficient sequential scanning. During power-on and power-off transitions, the phase parameter is unified across all start signals to enable simultaneous initialization. This parameter change allows the system to optimize for either display refresh efficiency or initialization speed depending on the operational context.