7T-1C Pixel Driving Circuit for High-Resolution OLED Displays

The patent merges the driving circuits of three sub-pixels into a single integrated structure. By sharing common components (data line, scan line, storage capacitor, and control transistors) among three sub-pixels, the total area is reduced from what would be required for three separate 3T1C circuits to a compact 7T1C design that serves all three sub-pixels simultaneously.

The patent implements multi-functionality by designing transistors and capacitors that serve multiple purposes. For example, the storage capacitor serves all three sub-pixels, the data line controls multiple sub-pixels, and certain transistors perform both switching and storage functions across different sub-pixels, thereby reducing the total component count and area.

To achieve high resolution with limited pixel area, the patent combines multiple sub-pixel driving functions into a single compact circuit block. The 7T1C design integrates three sub-pixel drivers in one unit, allowing tighter pixel packing and higher display resolution without requiring proportionally more area per pixel.

The patent employs a nested structure where multiple functional elements are arranged in hierarchical layers. The seven transistors and three capacitors are configured in nested arrangements, with smaller components positioned within or adjacent to larger ones, maximizing space utilization and enabling high-resolution displays with reduced pixel area.