Driving circuit, driving method adapted for driving a data line of a display panel and method of establishing at least one predetermined table thereof

A method for driving a data line of a display panel, comprising:

• providing at least one predetermined table, by a controller circuit, wherein the at least one predetermined table is selected and applied according to a polarity state of a pixel data in related to a polarity state of a previous pixel data which is provided prior to the pixel data;
• examining the polarity state of the pixel data and the polarity state of the previous pixel data which is provided prior to the pixel data to select a first predetermined table or a second predetermined table from the at least one predetermined table;
• applying the first predetermined table to generate a first pixel data associated with a first pixel voltage to drive the data line of the display panel, or applying the second predetermined table to generate a second pixel data associated with a second pixel voltage to drive the data line of the display panel, wherein the first predetermined table is applied when a polarity state of the first pixel data and a polarity state of a previous pixel data which is provided prior to the first pixel data are identical, and the second predetermined table is applied when a polarity state of the second pixel data and a polarity state of a previous pixel data which is provided prior to the second pixel data are different;
• and
• receiving the first pixel voltage or the second pixel voltage by a driving circuit when either the first predetermined table or the second predetermined table is selected and being applied, so as to drive the data line of the display panel with the first pixel voltage or the second pixel voltage, wherein the first predetermined table includes a first mapping table, where the first mapping table is applied when the polarity state of the previous pixel data which is provided prior to the first pixel data is positive, and the polarity state of the first pixel data remains at a positive polarity, and wherein the first predetermined table includes a second mapping table, where the second mapping table is applied when the polarity state of the previous pixel data which is provided prior to the first pixel data is negative, and the polarity state of the first pixel data remains at a negative polarity.

A method of establishing at least one predetermined table for a driving circuit adapted for driving a data line of a display panel, wherein the display panel includes a plurality of sub-pixel units, each of the plurality of sub-pixel units is driven by a pixel voltage associated with a pixel data to show brightness, the method comprising:

• examining a polarity state of the pixel data and a polarity state of a previous pixel data which is provided prior to the pixel data to determine one of the at least one predetermined table for establishing;
• providing a given value of the pixel data for showing a reference brightness and sensing the reference brightness by an optical sensor;
• comparing the reference brightness to an ideal brightness which is expected to be shown, and adjusting the given value to a final value until a final brightness corresponding to the final value is identical to the ideal brightness;
• recording the final value of the pixel data as one entry of the predetermined table for establishing;
• and
• collecting a plurality of the entries so as to form the predetermined table for establishing, wherein a first mapping table is established when the polarity state of the previous pixel data which is provided prior to the pixel data is positive, and the polarity state of the pixel data remains at a positive polarity, and wherein a second mapping table is established when the polarity state of the previous pixel data which is provided prior to the pixel data is negative, and the polarity state of the pixel data remains at a negative polarity.