Driver circuit, display device and driving method of display panel for sharing same source driver channel of source driver

A driver circuit comprising:

• a first source driver channel configurable to be coupled to a first demultiplexer and output a plurality of pixel data to the first demultiplexer, wherein a group of pixel data comprising at least two pixel data of a first color is outputted to the first demultiplexer in a unit period, and the first demultiplexer comprises a plurality of selection terminals and is controlled to select each of the selection terminals once in the unit period;
• and
• a controller controlling the first demultiplexer to output the group of pixel data to data lines of a display panel, wherein the first demultiplexer is controlled to continuously output the pixel data of the first color to the data lines in the unit period,
• wherein a plurality of consecutive unit periods are defined as a cycle period, the first demultiplexer has same demultiplexing sequence in different cycle periods of a frame period, the cycle period comprises a first unit period and a second unit period, a first boundary of the first unit period is temporally adjacent to a second boundary of the second unit period, only one of the first data lines coupled to the first demultiplexer has a color attribute of a second color, and
• the first demultiplexer continuously selects the first data line with the color attribute of the second color at the first boundary of the first unit period and the second boundary of the second unit period,
• wherein the cycle period further comprises a third unit period and a fourth unit period, and
• the demultiplexing sequences of the first demultiplexer in the first unit period, the second unit period, the third unit period and the fourth unit period are different.

A driving method of a display panel, wherein the display panel comprises a plurality of first data lines corresponding to a first source driver channel of a source driver, each of the first data lines has a corresponding one of color attributes, the driving method comprising:

• continuously selecting, by a first demultiplexer, the first data lines with same color attribute as a first color in a unit period, wherein the first demultiplexer comprises a common terminal and a plurality of selection terminals, the common terminal of the first demultiplexer is coupled to an output terminal of the first source driver channel, each of the selection terminals of the first demultiplexer is coupled to a corresponding one of the first data lines, the color attributes of at least two of the first data lines coupled to the first demultiplexer are the first color, and the first demultiplexer selects each of the selection terminals once in the unit period,
• wherein a plurality of consecutive unit periods are defined as a cycle period, the first demultiplexer has same demultiplexing sequence in different cycle periods of a frame period, the cycle period comprises a first unit period and a second unit period, a first boundary of the first unit period is temporally adjacent to a second boundary of the second unit period, only one of the first data lines coupled to the first demultiplexer has a color attribute of a second color, and the driving method further comprising:
• continuously selecting, by the first demultiplexer, the first data line with the color attribute of the second color at the first boundary of the first unit period and the second boundary of the second unit period,
• wherein the cycle period further comprises a third unit period and a fourth unit period, and
• the demultiplexing sequences of the first demultiplexer in the first unit period, the second unit period, the third unit period and the fourth unit period are different.

A driving method of a display panel, wherein the display panel comprises a plurality of first data lines corresponding to a first source driver channel of a source driver, each of the first data lines has a corresponding one of color attributes, the driving method comprising:

• continuously selecting, by a first demultiplexer, the first data lines with same color attribute as a first color in a unit period, wherein the first demultiplexer comprises a common terminal and a plurality of selection terminals, the common terminal of the first demultiplexer is coupled to an output terminal of the first source driver channel, each of the selection terminals of the first demultiplexer is coupled to a corresponding one of the first data lines, the color attributes of at least two of the first data lines coupled to the first demultiplexer are the first color, and the first demultiplexer selects each of the selection terminals once in the unit period,
• wherein a plurality of consecutive unit periods are defined as a cycle period, the first demultiplexer has same demultiplexing sequence in different cycle periods of a frame period, a first cycle period comprises a first unit period and a second unit period, a second cycle period comprises a third unit period and a fourth unit period, a first boundary of the first unit period is temporally adjacent to a second boundary of the second unit period, a third boundary of the second unit period is temporally adjacent to a fourth boundary of the third unit period, and the driving method further comprising:
• continuously selecting, by the first demultiplexer, the first data line with the color attribute of a second color at the first boundary of the first unit period and the second boundary of the second unit period, wherein only one of the first data lines coupled to the first demultiplexer has a color attribute of the second color;
• and
• continuously selecting, by the first demultiplexer, the first data line with the color attribute of a third color at the third boundary of the second unit period and the fourth boundary of the third unit period, wherein only one of the first data lines coupled to the first demultiplexer has a color attribute of the third color.