LED Display Scanning Order Control for Parasitic Capacitance

The patent applies dynamics by making the scanning order of common lines variable rather than fixed. The scanning order is dynamically adjusted based on the cycle number (e.g., cycle 1: C0-C1-C2, cycle 2: C1-C2-C0, cycle 3: C2-C0-C1), which prevents any single row from consistently experiencing parasitic capacitance discharge effects, thereby maintaining uniform light intensity across all rows.

The patent implements periodic action by establishing a repeating scanning order pattern that cycles through different sequences. The scanning order repeats every three cycles, creating a periodic variation that distributes the parasitic capacitance effect across different rows over time, ensuring no single row is consistently disadvantaged.

The patent applies segmentation by dividing the scanning process into two independent parts: common line scanning (which maintains complete coverage) and light emission timing (which is optimized). The common lines are scanned in a segmented manner across multiple cycles, while light emission is controlled to minimize non-emission periods, achieving both completeness and efficiency.

The patent implements continuity of useful action by ensuring that the display system operates continuously without unnecessary interruptions. The optimized scanning order and timing control ensure that light emission occurs as continuously as possible, minimizing the non-light-emission periods while maintaining complete display coverage through the cyclic scanning of all common lines.