Patent ID: 7847773

Claim:
A drive method for driving a liquid crystal display, wherein said liquid crystal display comprises: a plurality of data lines; a plurality of scan lines crossing said data lines; a plurality of pixels defined by two neighboring data lines and two neighboring scan lines crossing the two neighboring data lines, wherein each pixel comprises: a first pixel electrode; a second pixel electrode; a common electrode, wherein said common electrode and said first pixel electrode define a first sub-pixel and said common electrode and said second pixel electrode define a second sub-pixel; a first transistor located in said first sub-pixel, a gate electrode of said first transistor is connected to said first scan line, a first source/drain electrode of said first transistor is connected to said first data line; a second transistor located in said first sub-pixel, a gate electrode of said second transistor is connected to said first scan line, a first source/drain electrode of said second transistor is connected to a second source/drain electrode of said first transistor and a second source/drain electrode of said second transistor is connected to said first pixel electrode, wherein said second transistor is coupled to said first data line through said first transistor, wherein data in said first data line is transferred to said first pixel electrode through said first transistor and said second transistor; and a third transistor located in said second sub-pixel, a gate electrode of said third transistor is connected to said second scan line, a first source/drain electrode of said third transistor is connected to a common connection point of said first transistor and said second transistor and a second source/drain electrode of said third transistor is connected to a second pixel electrode, wherein said third transistor is coupled to said first data line through said first transistor, wherein data in said first data line is transferred to said second pixel electrode through said first transistor and said third transistor, said method comprises: providing pulse signals to drive said scan lines sequentially, wherein two pulse signals providing to adjacent scan lines partially overlap; and providing two-step signals to said data lines sequentially, said two-step signal includes a first voltage signal and a second voltage signal, wherein said first voltage signal is written to said first sub-pixel through said first transistor when said first and second scan line are driven together, and said second voltage signal is written to said second sub-pixel through adjacent sub-pixel's first transistor and said third transistor when said second scan line and adjacent pixel's first scan line are driven.