Method for Driving Display Device

• US 20090256833A1
• Filed: 12/09/2008
• Published: 10/15/2009
• Est. Priority Date: 04/09/2008
• Status: Active Grant

• Current Assignee: AU Optronics Corporation
• Original Assignee: AU Optronics Corporation
• Inventors: Li, Huan-Hsin, Huang, Chun-Kai, Chan, Kung-Yi
• Granted Patent: US 8,743,043 B2
• Time in Patent Office: Days
• US Class Current: 345/213
• CPC Class Codes: G09G 2310/0213 controlling the sequence of the scanning lines with respect to the patterns to be displayed, e.g. to save power
• CPC Class Codes: G09G 2310/0218 with collection of electrodes in groups for n-dimensional addressing
• CPC Class Codes: G09G 2310/0254 Control of polarity reversal in general, other than for liquid crystal displays
• CPC Class Codes: G09G 2310/0283 Arrangement of drivers for different directions of scanning
• CPC Class Codes: G09G 3/20 for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters

Abstract

A method for driving a display device is provided herein. The display device includes a plurality of scan lines. The method comprises following steps: dividing the scan lines into a plurality of groups, each of which comprises at least two scan lines, i.e. a first and a second scan line; during a first frame period, sequentially enabling the first and second scan line of each group in accordance with a first driving sequence; and during a second frame period, sequentially enabling the first and second scan line of each group in accordance with a second driving sequence, wherein the first driving sequence is different with the second driving sequence.

Claims

1. A method for driving a display device, the display device having a plurality of scan lines, the method comprising:

dividing the scan lines into a plurality of groups, each group having a first scan line to a m^th scan line; and

enabling the first scan line to the m^th scan line sequentially respectively in accordance with a first driving sequence to a m^th driving sequence in a first frame period to a m^th frame period, wherein the first driving sequence and the m^th driving sequence are different from each other;

wherein, m is a positive integer greater than 1.

2. A method for driving a display device, the display device having a plurality of scan lines, the method comprising:

dividing the scan lines into a plurality of groups, each of the groups having at least two scan lines;

enabling the scan lines of each of the groups in accordance with a first driving sequence in a first frame period; and

enabling the scan lines of each of the groups in accordance with a second driving sequence in a second frame period;

wherein the first driving sequence and the second driving sequence are different from each other.

3. The method of claim 2, further comprising:

providing two common voltage signals with different voltage levels respectively in accordance with two consecutive groups being enabled.

4. The method of claim 3, wherein the voltage levels of the common voltage signals for two consecutive groups are changed during consecutive frame periods.

5. The method of claim 2, wherein each of the groups has a first scan line and a second scan line, the first scan line and the second scan line being sequentially enabled in accordance with a first driving sequence during the first frame period, the second scan line and the first scan line being sequentially enabled in accordance with a second driving sequence during the second frame period.

6. The method of claim 2, wherein each of the groups has a first scan line, a second scan line, and a third scan line.

7. The method of claim 6, further comprising enabling the first scan line, the second scan line, and the third scan line in accordance with a third driving sequence during a third frame period, wherein the first driving sequence, the second driving sequence, and the third driving sequence are different from each other.

8. The driving method of claim 7, wherein the first, the second, and the third scan line are sequentially enabled in accordance with the first driving sequence during the first frame period, the second, the third and the first scan line are sequentially enabled in accordance with the second driving sequence during the second frame period, and the third, the first and the second scan line are sequentially enabled in accordance with the third driving sequence during the third frame period.