Stereoscopic image display device

• US 20070008315A1
• Filed: 07/03/2006
• Published: 01/11/2007
• Est. Priority Date: 07/05/2005
• Status: Active Grant

• Current Assignee: ESV Inc.
• Original Assignee: Samsung Display Company Limited (Samsung Electronics Co. Ltd.)
• Inventors: Jang, Hyoung-Wook, Kim, Hyun-Sook, Lee, Jang-Doo, Song, Myoung-Seop, Kim, Hag-Keun, Lee, Duck-Myung, Lee, Woo-Jong, Choi, Han-Jun
• Granted Patent: US 8,154,543 B2
• Time in Patent Office: Days
• US Class Current: 345/419
• CPC Class Codes: H04N 13/161 Encoding, multiplexing or demultiplexing different image signal components for multi-view video sequence encoding H04N19/597
• CPC Class Codes: H04N 13/189 Recording image signals; Reproducing recorded image signals
• CPC Class Codes: H04N 13/275 from 3D object models, e.g. computer-generated stereoscopic image signals
• CPC Class Codes: H04N 13/296 Synchronisation thereof; Control thereof
• CPC Class Codes: H04N 13/305 using lenticular lenses, e.g. arrangements of cylindrical lenses
• CPC Class Codes: H04N 13/31 using parallax barriers
• CPC Class Codes: H04N 13/356 having separate monoscopic and stereoscopic modes
• CPC Class Codes: H04N 13/398 Synchronisation thereof; Control thereof
• CPC Class Codes: H04N 19/597 specially adapted for multi-view video sequence encoding

Abstract

A stereoscopic image display device includes a display panel including a plurality of left eye pixels and a plurality of right eye pixels, a memory including a left eye image section for storing data corresponding to the left eye pixels and a right eye image section for storing data corresponding to the right eye pixels, a geometric engine for converting an input 3D image data into left eye 3D image data corresponding to the left eye pixels or right eye 3D image data corresponding to the right eye pixels, and a rendering engine for calculating a coordinate value and a color information value to be stored in the left eye section or the right eye section by using coordinate and color information of the left eye 3D image data or the right eye 3D image data, and for storing the color information value in the memory based on the coordinate value.

Claims

1. A stereoscopic image display device comprising:

a display panel comprising a plurality of left eye pixels and a plurality of right eye pixels;

a memory comprising a left eye image section for storing data corresponding to the plurality of left eye pixels and a right eye image section for storing data corresponding to the plurality of right eye pixels;

a geometric engine for converting input 3D image data into left eye 3D image data corresponding to the plurality of left eye pixels or right eye 3D image data corresponding to the plurality of right eye pixels; and

a rendering engine for calculating a coordinate value and a color information value to be stored in the left eye section or the right eye section by using coordinate information and color information of the left eye 3D image data or the right eye 3D image data, and for storing the color information value in the memory based on the coordinate value.

2. The stereoscopic image display device of claim 1, wherein the coordinate information comprises a starting X coordinate and an ending X coordinate of a first line of an area of the left eye 3D image data or the right eye 3D image data, and

the rendering engine calculates an X coordinate value for the first line by increasing the starting X coordinate of the first line by a first increment, and calculates a generated color information value for the first line according to the first increment.

3. The stereoscopic image display device of claim 2, wherein the generated color information comprises a starting color information value and an ending color information value of the first line

wherein the generated color information value for the first line is calculated by increasing the starting color information value for the first line by a second increment, and

wherein the second increment is calculated according to the first increment.

4. The stereoscopic image display device of claim 3, wherein the second increment is a calculated color information increment added to the starting color information to generate the generated color information.

5. The stereoscopic image display device of claim 3, wherein the first increment is two.

6. The stereoscopic image display device of claim 3, wherein the first increment comprises a number greater than one to reduce a calculation of the rendering engine.

7. The stereoscopic image display device of claim 3, wherein the second increment is calculated by doubling an increment determined by using a distance between the starting X coordinate and the ending X coordinate of the first line and a difference between the starting color information value and the ending color information value of the first line.

8. The stereoscopic image display device of claim 1, further comprising a barrier comprising transparent and opaque regions arranged to form a light projection path, wherein the barrier allows images output by the left eye and right eye pixels to respectively be projected in a left direction and a right direction through the light projection path.

9. The stereoscopic image display device of claim 1, wherein the stereoscopic image display device corresponds to a display unit of a mobile communication terminal.

10. A 3D image to stereoscopic image converter for converting input 3D image data into stereoscopic image data, the 3D image to stereoscopic image converter comprising:

a geometric engine for generating left eye 3D image data by multiplying the 3D image data by a first parameter, and for generating right eye 3D image data by multiplying the 3D image data by a second parameter;

an X coordinate increasing unit for generating an X coordinate value corresponding to a first line by increasing a starting X coordinate of the first line by a first increment, the first line corresponding to an area of the left eye 3D image data or the right eye 3D image data;

a color information increasing unit for calculating a second increment according to the first increment, and for calculating a generated color information value corresponding to the first line while increasing a starting color information value of the first line by the second increment; and

a memory controller for controlling a memory to store the generated color information value, the generated color information value having been generated by the color increasing unit based on the X coordinate value generated by the X coordinate increasing unit.

11. The 3D image to stereoscopic image converter of claim 10, wherein the first increment is two.

12. The 3D image to stereoscopic image converter of claim 10, wherein the first increment is increased by two to reduce a processing calculation of the 3D image to stereoscopic image converter.

13. The 3D image to stereoscopic image converter of claim 10, wherein the second increment is a calculated color information increment added to the starting color information to generate the generated color information.

14. The 3D image to stereoscopic image converter of claim 10, wherein the second increment is calculated by doubling an increment determined by using a distance between the starting X coordinate and the ending X coordinate of the first line and a difference between the starting color information value and the ending color information value of the first line.

15. The 3D image to stereoscopic image converter of claim 10, wherein the predetermined area corresponds to a polygon.

16. The 3D image to stereoscopic image converter of claim 10, wherein the first and second parameters comprise a parameter corresponding to a 3D image observing point and a parameter corresponding to a perspective effect for the 3D image.

17. An image converter for converting input 3D image data into stereoscopic image data, the image converter comprising:

a geometric engine for generating left eye 3D image data by multiplying the 3D image data by a first parameter, and for generating right eye 3D image data by multiplying the 3D image data by a second parameter;

a coordinate increasing unit for generating a coordinate value of an first axis corresponding to a first line by increasing a starting coordinate of the first line by a first increment, the first line corresponding to an area of the left eye 3D image data or the right eye 3D image data;

a color information increasing unit for calculating a second increment according to the first increment, and for calculating a generated color information value corresponding to the first line while increasing a starting color information value of the first line by the second increment; and

a memory controller for controlling a frame memory to store the generated color information value, the generated color information value having been generated by the color increasing unit based on the coordinate value of the first axis generated by the coordinate increasing unit.

18. The image converter of claim 17, wherein the first increment is a number greater than one to reduce a processing calculation of the image converter.

19. The image converter of claim 17, wherein the second increment is calculated by doubling an increment determined by using a distance between the starting coordinate and the ending coordinate of the first line and a difference between the starting color information value and the ending color information value of the first line.