IP Library › Granted Patent US 10,176,744
Granted Patent B2
US 10,176,744 · App. 14/635,258 · Granted Jan 8, 2019

Method of driving a display panel and display apparatus for performing the same

Inventor: Seon-Ki Kim (Yongin-si, KR)
Assignee: SAMSUNG DISPLAY CO., LTD.
G09G3/2025G02F1/133621G09G3/3426G09G2300/0452G09G2310/0205G09G2310/0235
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Quick Facts
Patent No.
US 10,176,744
App. No.
14/635,258
Granted
Jan 8, 2019
Kind
B2
Abstract

A method for driving a display panel is provided. The method includes turning on a first light source for generating a first light in a first sub-frame, turning on a second light source for generating a second light in a second sub-frame, turning on a third light source for generating a third light in a third sub-frame, outputting same first gate signals a first gate line and a second gate line adjacent to the first gate line, and outputting one of a first data signal corresponding to the first gate line or a second data signal corresponding to the second gate line to a data line during an active period of the first gate signals. The second frame is consecutive to the first frame.

Claims (69)

1. A method for driving a display panel, the method comprising:

dividing a frame into at least three sub-frames:

turning on a first light source configured to generate a first light in a first sub-frame of each of first and second frames, the second frame being consecutive to the first frame;

turning on a second light source configured to generate a second light in a second sub-frame of each of the first and second frames, the second light having a color different from a color of the first light;

turning on a third light source configured to generate a third light in a third sub-frame of each of the first and second frames, the third light having a color different from the colors of the first and second lights;

applying double gating by outputting the same first gate signals to a first gate line and a second gate line adjacent to the first gate line; and

alternately outputting one of a first data signal corresponding to the first gate line or a second data signal corresponding to the second gate line to a data line during an active period of the first gate signals in each of the first sub-frame, second sub-frame and third sub-frames.

2. The method of claim 1 , wherein the first data signal corresponding to the first gate line is outputted to the data line during an active period of the first gate signals in the first sub-frame of the first frame, and the second data signal corresponding to the second gate line is outputted to the data line during an active period of the first gate signals in the first sub-frame of the second frame.

3. The method of claim 1 , further comprising:

turning on the second light source in a fourth sub-frame of each of the first and second frames.

4. The method of claim 3 , wherein a number of the second light sources is less than a number of the first light sources or a number of the third light sources.

5. The method of claim 1 , wherein the second light source is configured to generate a green light.

6. The method of claim 1 , further comprising:

turning on the first light source, the second light source, and the third light source in a fourth sub-frame of each of the first and second frames.

7. The method of claim 6 , wherein the first data signal corresponding to the first gate line is outputted to the data line during an active period of the first gate signals in the first sub-frame of the first frame, and

the second data signal corresponding to the second gate line is outputted to the data line during an active period of the first gate signals in the first sub-frame of the second frame.

8. A method for driving a display panel, the method comprising:

turning on a first light source configured to generate a first light in a first sub-frame of each of first and second frames, the second frame being consecutive to the first frame;

turning on a second light source configured to generate a second light in a second sub-frame of each of the first and second frames, the second light having a color different from a color of the first light;

turning on a third light source configured to generate a third light in a third sub-frame of each of the first and second frames, the third light having a color different from the colors of the first and second lights;

outputting the same first gate signals to a first gate line and a second gate line adjacent to the first gate line;

outputting one of a first data signal corresponding to the first gate line or a second data signal corresponding to the second gate line to a data line during an active period of the first gate signals in each of the first through third sub-frames; and

turning on the second light source in a fourth sub-frame of each of the first and second frames,

wherein the first data signal corresponding to the first gate line is outputted to the data line during an active period of the first gate signals in the second sub-frame of the first frame, and

the second data signal corresponding to the second gate line is outputted to the data line during an active period of the first gate signals in the fourth sub-frame of the first frame.

9. The method of claim 8 , wherein the first data signal corresponding to the first gate line is outputted to the data line during an active period of the first gate signals in the second sub-frame of the second frame, and

the second data signal corresponding to the second gate line is outputted to the data line during an active period of the first gate signals in the fourth sub-frame of the second frame.

10. A method for driving a display panel, the method comprising:

turning on a first light source configured to generate a first light in a first sub-frame of each of first and second frames, the second frame being consecutive to the first frame;

turning on a second light source configured to generate a second light in a second sub-frame of each of the first and second frames, the second light having a color different from a color of the first light;

turning on a third light source configured to generate a third light in a third sub-frame of each of the first and second frames, the third light having a color different from the color of the first and second lights;

outputting the same first gate signals to a first gate line and a second gate line adjacent to the first gate line; and

outputting one of a first data signal corresponding to the first gate line or a second data signal corresponding to the second gate line to a data line during an active period of the first gate signals in each of the first through third sub-frames turning on the second light source in a fourth sub-frame of each of the first and second frames,

wherein the first data signal corresponding to the first gate line is outputted to the data line during an active period of the first gate signals in the first sub-frame of the first frame, and

the second data signal corresponding to the second gate line is outputted to the data line during an active period of the first gate signals in the first sub-frame of the second frame.

11. A method for driving a display panel, the method comprising:

turning on a first light source configured to generate a first light in a first sub-frame of each of the first and second frames, the second frame being consecutive to the first frame;

turning on a second light source configured to generate a second light in a second sub-frame of each of the first and second frames, the second light having a color different from a color of the first light;

turning on a third light source configured to generate a third light in a third sub-frame of each of the first and second frames, the third light having a color different from the colors of the first and second lights;

outputting the same first gate signals to a first gate line and a second gate line adjacent to the first gate line;

outputting one of a first data signal corresponding to the first gate line or a second data signal corresponding to the second gate line to a data line during an active period of the first gate signals in each of the first through third sub-frames turning on the second light source in a fourth sub-frame of each of the first and second frames; and

turning on the first light source, the second light source, and the third light source in a fourth sub-frame of each of the first and second frames,

wherein the first data signal corresponding to the first gate line is outputted to the data line during an active period of the first gate signals in the first sub-frame of the first frame, the second sub-frame of the first frame, or the third sub-frame of the first frame, and

the second data signal corresponding to the second gate line is outputted to the data line during an active period of the first gate signals in the fourth sub-frame of the first frame.

12. A display apparatus comprising:

a display panel configured to display an image;

a light source part configured to provide light to the display panel, and the light source part being configured to turn on a first light source for generating a first light in a first sub-frame of each of first and second frames, to turn on a second light source for generating a second light in a second sub-frame of each of the first and second frames, and to turn on a third light source for generating a third light in a third sub-frame of each of the first and second frames, wherein the second frame is consecutive to the first frame, and the first light, the second light, and the third lights have different colors from each other;

a gate driver configured to output the same first gate signals to a first gate line and a second gate line of the display panel, the second gate line being adjacent to the first gate line; and

a data driver configured to output one of a first data signal corresponding to the first gate line or a second data signal corresponding to the second gate line to a data line of the display panel during an active period of the first gate signal in each of the first sub-frame, second sub-frame, and third sub-frames, and to output a white data signal corresponding to the second gate line to the data line during an active period in a fourth sub-frame.

13. The display apparatus of claim 12 , wherein the data driver is configured to output the first data signal corresponding to the first gate line to the data line during an active period of the first gate signals in the first sub-frame of the first frame, and to output the second data signal corresponding to the second gate line to the data line during an active period of the first gate signals in the first sub-frame of the second frame.

14. The display apparatus of claim 12 , wherein the light source part is configured to turn on the second light source in the fourth sub-frame of each of the first and second frames.

15. The display apparatus of claim 14 , wherein the second light source is configured to generate a green light.

16. The display apparatus of claim 14 , wherein a number of the second light sources is less than a number of the first light sources or a number of the third light sources.

17. The display apparatus of claim 12 , wherein the light source part is configured to turn on the first light source, the second light source, and the third light source in a fourth sub-frame of each of the first and second frames.

18. The display apparatus of claim 17 , wherein the data driver is configured to output the first data signal corresponding to the first gate line to the data line during an active period of the first gate signals in the first sub-frame of the first frame, the second sub-frame of the first frame, or the third sub-frame of the first frame, and to output the second data signal corresponding to the second gate line to the data line during an active period of the first gate signals in the fourth sub-frame of the first frame.

19. A display apparatus comprising:

a display panel configured to display an image;

a light source part configured to provide light to the display panel, and the light source part being configured to turn on a first light source for generating a first light in a first sub-frame of each of first and second frames, to turn on a second light source for generating a second light in a second sub-frame of each of the first and second frames, and to turn on a third light source for generating a third light in a third sub-frame of each of the first and second frames, wherein the second frame is consecutive to the first frame, and the first through third lights have different colors from each other;

a gate driver configured to output the same first gate signal to a first gate line and a second gate line of the display panel, the second gate line being adjacent to the first gate line; and

a data driver configured to output one of a first data signal corresponding to the first gate line or a second data signal corresponding to the second gate line to a data line of the display panel during an active period of the first gate signal in each of the first through third sub-frames,

wherein the light source part is configured to turn on the second light source in a fourth sub-frame of each of the first and second frames, and

wherein the data driver is configured to output the first data signal corresponding to the first gate line to the data line during an active period of the first gate signals in the second sub-frame of the first frame, and to output the second data signal corresponding to the second gate line to the data line during an active period of the first gate signals in the fourth sub-frame of the first frame.

20. A method for driving a display panel, the method comprising:

turning on a first light source having a first color configured to generate a first light in a first sub-frame in a frame, wherein the frame includes the first sub-frame, a second sub-frame, a third sub-frame, and a fourth sub-frame;

turning on the first light source having the first color in the third sub-frame in the frame;

applying double gating by outputting the same first gate signals to a first gate line and a second gate line adjacent to the first gate line; and

outputting a first data signal corresponding to the first gate line to a data line during an active period of the first gate signals in the first sub-frame of the frame; and

outputting a second data signal corresponding to the second gate line to the data line during an active period of the first gate signals in the third sub-frame of the frame, and

outputting a white data signal corresponding to the second gate line to the data line during an active period in the fourth sub-frame.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 2, 2015
From: KIM, SEON-KI
To: SAMSUNG DISPLAY CO., LTD.
Reel/Frame 035065/0734 →
Priority Claims (1)
KR 10-2014-0095877 · Jul 28, 2014 · national
Continuity (1)
Related Publication 20160027367A1 · Jan 28, 2016