A programmable controller having three well-known components used in display controls but put under the control of a programmable ‘sub-field ’ timing generator is disclosed. The three well-known components include a Phase Lock Loop (PLL) unit, a Pixel Pipe Line (PPL) unit and an embedded frame buffer....http://www.google.com/patents/US7161571?utm_source=gb-gplus-sharePatent US7161571 - TFT display controller
