Array Substrate Light Shielding Metal Portions Parasitic Capacitance

The gate line is divided into multiple gate line sub-segments that are separated by the data line. Each gate line sub-segment is independently connected to the gate electrode, creating discrete sections rather than a continuous gate line. This segmentation reduces the overlapping area between gate lines and data lines, thereby minimizing parasitic capacitance while maintaining functional integrity.

The light shielding metal portion is positioned in a different layer (between the base substrate and the gate lines) rather than in the same plane as the gate and data lines. This vertical stacking in another dimension allows the gate lines and data lines to be disposed close together horizontally while the light shielding metal portion provides electrical isolation and shielding in the vertical dimension, reducing parasitic capacitance without increasing device area.

The light shielding metal portion serves multiple functions simultaneously: it shields the liquid crystal from light leakage, acts as an electrical connection between adjacent gate line sub-segments, and provides structural support. By merging these functions into a single component, the manufacturing process is simplified as fewer separate steps are needed compared to conventional methods requiring separate doping and mask processes for precise gate line formation.

The light shielding metal portion automatically provides electrical connection between gate line sub-segments through its inherent conductivity and physical positioning, eliminating the need for additional connection structures or complex alignment processes. The component serves itself by providing both optical shielding and electrical connectivity functions without requiring separate manufacturing steps.