Display panel with a timing control unit, method for driving the same and 3D display device

Patent metadata

Field	Value
Publication number	US-9824612-B2
Application number	US-201414316198-A
Country	US
Kind code	B2
Filing date	Jun 26, 2014
Priority date	Apr 1, 2014
Publication date	Nov 21, 2017
Grant date	Nov 21, 2017

Abstract

The disclosure provides a display panel, a method for driving the display panel and a 3D display device including the display panel, and relates to the technical field of display. The display panel comprises a display unit and at least one timing control units, wherein the display unit comprises a plurality of display regions and the plurality of display regions are simultaneously scanned. With the present invention, wire impedance in the display panel is reduced, charging time for a single row of pixels can be reduced and charging rate of the pixels can be improved.

First claim

What is claimed is:

1. A display panel, comprising:
a display unit; and
at least one timing control unit;
wherein the display unit comprises a plurality of display regions and the plurality of display regions are simultaneously scanned;
wherein in the first display region, the timing control unit is configured to control data lines by using a first source driver to scan along one of a second direction and a third direction opposite to the second direction between a first edge of the first display region and a second edge of the first display region that abuts a second display region, and is configured to control gate lines by using a first gate driver to scan column by column along a first direction;
wherein in the second display region that is adjacent to the first display region along the second direction, the timing control unit is configured to control data lines by using a second source driver to scan along a same direction as that the first source driver scans along in the first display region between a first edge of the second display region and a second edge of the second display region that abuts the first display region, and is configured to control gate lines by using a second gate driver to scan column by column along the first direction;
wherein the timing control unit is configured to operate such that after one frame has been scanned, the same number of columns of pixel units in the first display region and the second display region along the first direction are scanned; and
wherein the first direction is a row direction of the display panel, and the second direction is a column direction of the display panel.

2. The display panel according to claim 1 , wherein
the display panel further comprises a backlight module provided at a light entering side of the display unit and at least one backlight control units;
the backlight module comprises a plurality of light emitting regions;
in first and second light emitting regions, the backlight control unit is configured to switch on backlights column by column along the first direction; and
wherein the first and second light emitting regions are adjacent to each other along the second direction.

3. The display panel according to claim 2 , wherein
the light emitting regions and the display regions are in one-to-one correspondence; and
in one pair of the light emitting region and the display region corresponding to each other, the backlight control unit and the timing control unit synchronously scan, so that the corresponding pixel unit and the corresponding backlights are simultaneously turned on.

4. The display panel according to claim 1 , wherein the display regions have the same shape and the same size, and each display region has the same shape as that of the display unit.

5. A 3D display device, comprising a display panel according to claim 1 .

6. The 3D display device according to claim 5 , wherein
the display panel further comprises a backlight module provided at a light entering side of the display unit and at least one backlight control unit;
the backlight module comprises a plurality of light emitting regions;
in first and second light emitting regions, the backlight control unit is configured to switch on backlights column by column along the first direction; and
wherein the first and second light emitting regions are adjacent to each other along the second direction.

7. A method for driving a display panel comprising a display unit and at least one timing control unit, wherein the display unit comprises a plurality of display regions, and the method comprises the step of:
simultaneously scanning the plurality of display regions of the display panel, including:
in the first display region, controlling data lines with the timing control unit by using a first source driver to scan along one of a second direction and a third direction opposite to the second direction between from a first edge of the first display region and a second edge of the first display region that abuts a second display region, and controlling gate lines with the timing control unit by using a first gate driver to scan column by column along a first direction;
in the second display region that is adjacent to the first display region along the second direction, controlling data lines with the timing control unit by using a second source driver to scan along a same direction as that the first source driver scans along in the first display region between a first edge of the second display region and a second edge of the second display region that abuts the first display region, and controlling gate lines with the timing control unit by using a second gate driver to scan column by column along the first direction;
wherein after one frame has been scanned, the same number of columns of pixel units in the first display region and the second display region along the first direction are scanned; and
wherein the first direction is a row direction of the display panel, and the second direction is a column direction of the display panel.

8. The method for driving the display panel according to claim 7 , wherein the display panel further comprises a backlight module provided at a light entering side of the display unit; the backlight module comprises a plurality of light emitting regions; and the method further comprising the step of:
in first and second light emitting regions, switching on backlights column by column along the first direction;
wherein the first and second light emitting regions are adjacent to each other along the second direction.

9. The method for driving the display panel according to claim 8 , wherein the light emitting regions and the display regions are in one-to-one correspondence; and the method further comprises:
synchronously scanning one pair of the light emitting region and the display region corresponding to each other, so that the corresponding pixel unit and the corresponding backlights are simultaneously turned on.

Assignees

• Boe Technology Group Co Ltd
• Beijing Boe Display Tech Co

Inventors

• Hu Weihao
• Keun Yoon Dae
• Liao Yanping
• Du Yufan
• He Zongze
• Yu Yangbing

Classifications

• H04N13/398

  Synchronisation thereof; Control thereof · CPC title

• H04N13/341

  using temporal multiplexing · CPC title

• G09G2310/0221

  with use of split matrices (G09G3/3644 and G09G3/3666 take precedence) · CPC title

• G09G2320/0209

  Crosstalk reduction, i.e. to reduce direct or indirect influences of signals directed to a certain pixel of the displayed image on other pixels of said image, inclusive of influences affecting pixels in different frames or fields or sub-images which constitute a same image, e.g. left and right images of a stereoscopic display · CPC title

• G09G2310/024

  Scrolling of light from the illumination source over the display in combination with the scanning of the display screen · CPC title