Method for displaying a three-dimensional image and display apparatus for performing the same

• US 8,525,872 B2
• Filed: 03/02/2010
• Issued: 09/03/2013
• Est. Priority Date: 04/06/2009
• Status: Active Grant

• Current Assignee: Samsung Display Company Limited (Samsung Electronics Co. Ltd.)
• Original Assignee: Samsung Display Company Limited (Samsung Electronics Co. Ltd.)
• Inventors: Choi, Hee-Jin, Lee, Jun-Pyo, Kim, Jung-Won, Kim, Sang-Soo, You, Bong-Hyun
• Primary Examiner(s): Perungavoor, Sath V
• Assistant Examiner(s): PARIKH, DAKSHESH D
• Application Number:
  US12/715,673
• Publication Number:
  US 20100253678A1
• Time in Patent Office: 1,281 Days
• Field of Search: 348 42- 60, 345/419
• US Class Current: 348/51
• CPC Class Codes: H04N 13/341 using temporal multiplexing
• CPC Class Codes: H04N 13/359 Switching between monoscopic and stereoscopic modes

Abstract

A method for displaying a three-dimensional (“3D”) image includes; dividing the 3D image input from an external device into a first image frame corresponding to a first eye of a viewer and a second image frame corresponding to a second eye of the viewer, and generating a first compensation frame and a second compensation frame subsequent to the first image frame and the second image frame, respectively, and displaying the first compensation frame and the second compensation frame on a display panel.

Claims

1. A method for displaying a three-dimensional image on a display panel of a display apparatus including an image processing device and a display unit, the method comprising:

dividing the three-dimensional image input from an external device into a first image frame corresponding to a first eye of a viewer and a second image frame corresponding to a second eye of the viewer, by using the image processing device; and

generating a first compensation frame and a second compensation frame subsequent to the first image frame and the second image frame, respectively, by using the image processing device;

dividing each of the first image frame, the second image frame, the first compensation frame, and the second compensation frame into a first image data group corresponding to a first display area of the display panel and a second image data group corresponding to a second display area adjacent to the first display area, by using the image processing device; and

displaying the first image data group and the second image data group on the first and second display areas of the display panel in a sequential order, by using the display unit,

wherein the first compensation frame of the first image data group is displayed on the first display area and the second compensation frame of the second image data group is displayed on the second display area in a sequential order.

2. The method of claim 1, wherein the first compensation frame and the second compensation frame are black image frames.

3. The method of claim 2, further comprising:

providing the display panel with light while the first image frame and the second image frame are displayed thereon; and

blocking the light provided to the display panel while the first compensation frame and the second compensation frame are displayed thereon.

4. The method of claim 3, wherein providing the display panel with the light comprises blocking the light provided to the display panel during a preset interval in response to a vertical start signal of the first image frame and the second image frame.

5. The method of claim 1, wherein the first compensation frame is substantially identical to the first image frame, and the second compensation frame is substantially identical to the second image frame.

6. The method of claim 5, further comprising:

blocking light from being provided to the display panel while the first image frame and the second image frame are displayed on the display panel; and

providing the display panel with the light while the first compensation frame and the second compensation frame are displayed on the display panel.

7. The method of claim 1, wherein the first eye is a left eye and the second eye is a right eye.

8. A display apparatus comprising:

a display panel which displays an image; and

an image processing device which divides a three-dimensional image frame input from an external device into a first image frame corresponding to a first eye of a viewer and a second image frame corresponding to a second eye of a viewer, and which generates a first compensation frame and a second compensation frame subsequent to the first image frame and the second image frame, respectively, and which divides each of the first image frame, the second image frame, the first compensation frame, and the second compensation frame into a first image data group corresponding to a first display area of the display panel and a second image data group corresponding to a second display area adjacent to the first display area, and which provides the first image data group and the second image data group to the first and second display areas of the display panel, respectively, to be displayed in a sequential order,

wherein the first compensation frame of the first image data group is displayed on the first display area and the second compensation frame of the second image data group is displayed on the second display area in a sequential order.

9. The display apparatus of claim 8, further comprising:

a light source device comprising a light source module having a plurality of light-emitting blocks which provide the display panel with light.

10. The display apparatus of claim 9, further comprising:

an infrared light-emitting part mounted on the light source module, wherein the infrared light-emitting part generates a synchronization signal which controls an operation of three-dimensional glasses in response to the first image frame and the second image frame.

11. The display apparatus of claim 10, wherein the first compensation frame and the second compensation frame are black image frames, and

the light source device provides the display panel with the light while the first image frame and the second image frame are displayed on the display panel and blocks the light from being provided to the display panel while the black image frames are displayed thereon.

12. The display apparatus of claim 11, wherein the light source device blocks the light from being provided to the display panel for a predetermined time in response to a vertical start signal of each of the first image frame and the second image frame.

13. The display apparatus of claim 12, wherein the image processing device comprises:

a three-dimensional image processing part which divides the three-dimensional image frame into the first image frame and the second image frame and which generates a black image frame of the black image frames subsequent to each of the first image frame and the second image frame; and

a timing control part which controls a display order of the first image frame, the second image frame and the black image frames output from the three-dimensional processing part so that the first image frame, the black image frame corresponding to the first compensation frame, the second image frame, and the black image frame corresponding to the second compensation frame are sequentially displayed.

14. The display apparatus of claim 13, wherein driving frequencies of the display panel and the timing control part are about 240 Hz, respectively.

15. The display apparatus of claim 14, wherein the three-dimensional image processing part comprises:

a first data dividing part which divides the three-dimensional image frame into the first image frame and the second image frame;

a scaler which converts resolutions of the first image frame and the second image frame in accordance with a resolution of the display panel;

a black image generating part which generates the black image frame corresponding to the first image frame and the black image frame corresponding to the second image frame subsequent to the first image frame and the second image frame, respectively; and

a second data dividing part which divides each of the first image frame, the second image frame and the black image frame into the first image data group corresponding to the first display area of the display panel and the second image data group corresponding to the second display area adjacent to the first display area.

16. The display apparatus of claim 15, wherein the timing control part comprises a first timing control part which receives the first image data group and a second timing control part which receives the second image data group.

17. The display apparatus of claim 10, wherein the first compensation frame is substantially identical to the first image frame, and the second compensation frame is substantially identical to the second image frame, and

the light source device blocks the light from being provided to the display panel while the first image frame and the second image frame are displayed on the display panel, and provides the display panel with the light while the first compensation frame and the second compensation frame are displayed on the display panel.

18. The display apparatus of claim 17, wherein the image processing device comprises:

a three-dimensional image processing part which divides the three-dimensional image frame into the first image frame and the second image frame and inserts the first compensation frame and the second compensation frame subsequent to the first image frame and the second image frame, respectively; and

a timing control part which controls a display order of image frames output from the three-dimensional image processing part so that the first image frame, the first compensation frame, the second image frame and the second compensation frame are sequentially displayed.

19. The display apparatus of claim 18, wherein driving frequencies of the display panel and the timing control part are about 240 Hz, respectively.

20. The display apparatus of claim 18, wherein the three-dimensional processing part comprises:

a first data dividing part which divides the three-dimensional image frame into the first image frame and the second image frame;

a scaler which converts resolutions of the first image frame and the second image frame in accordance with a resolution of the display panel;

a compensation image generating part which generates the first compensation frame and the second compensation frame consecutively to the first image frame and the second image frame, respectively; and

a second data dividing part which divides each of the first image frame and the second image frame and the first compensation frame and the second compensation frame into a first image data group corresponding to a first display area of the display panel and a second image data group corresponding to a second display area adjacent to the first display area.

21. The display apparatus of claim 20, wherein the timing control part comprises a first timing control part which receives the first image data group and a second timing control part which receives the second image data group.