Stereoscopic display device with selectively transmissive parallax barriers
A display device including a display part including a pixel of a first series having a first horizontal pixel width and a pixel of a second series having a second horizontal pixel width smaller than the first horizontal pixel width, the pixels of the first series and the pixels of the second series being arrayed alternately in each of a horizontal direction and a vertical direction, and a light beam control part that controls a light beam from the display part or a light beam toward the display part.
1. A display device, comprising:
first-series pixels including a first first-series pixel and a second first-series pixel;
second-series pixels including a first second-series pixel arranged between the first first-series pixel and the second first-series pixel in a first direction; and
a parallax barrier corresponding to the first series pixels and the second series pixels and comprised of a plurality of selectively transmissive barriers including a first barrier, a second barrier, and a third barrier arranged between the first barrier and the second barrier,
wherein, in a first display mode in which the first first-series pixel is configured to display a first image corresponding to a first viewpoint and the second first-series pixel is configured to display a second image corresponding to a second viewpoint:
the third barrier is configured to be in a transmissive state;
the first barrier and the second barrier are configured to be in a non-transmissive state;
the first image of the first first-series pixel is radiated to the first viewpoint through the third barrier;
the second image of the second first-series pixel is radiated to the second viewpoint through the third barrier; and
the first second-series pixel is configured to display a black color or a gray color.
2. The display device according to claim 1 , wherein the distance between the first first-series pixel and the second first-series pixel in the first direction is substantially equal to a width of the first first-series pixel in the first direction.
3. The display device according to claim 1 , wherein the distance between the first first-series pixels and the second first-series pixel in the first direction is shorter than a width of the first first-series in the first direction.
4. The display device according to claim 1 , wherein the distance between the first first-series pixel and the second first-series pixel in the first direction is larger than a width of the first first-series pixel in the first direction.
5. The display device according to claim 1 , wherein: the first-series pixels further include a third first-series pixel,
the second-series pixels further include a second second-series pixel,
the second second-series pixel is arranged between the first first-series pixel and the third first-series pixel in a second direction which crosses the first direction.
6. The display device according to claim 5 , wherein a central coordinate in the first direction of the first first-series pixel is equal to a central coordinate in the first direction of the second second-series pixel.
7. The display device according to claim 1 , wherein the first barrier and the second barrier are switchable liquid crystal barriers.
8. The display device according to claim 7 , wherein the third barrier is a switchable liquid crystal barrier.
9. The display device according to claim 1 , wherein the first barrier and the second barrier extend in a predetermined direction.
10. The display device according to claim 1 , wherein a width of the third barrier is smaller than a width of the first first-series pixel in the first direction.
11. The display device according to claim 1 , further comprising an illuminator, wherein the first-series pixels and the second-series pixels are present between the illuminator and the parallax barrier.
12. The display device according to claim 1 , further comprising an illuminator, wherein the parallax barrier is present between the illuminator and both the first-series pixels the second-series pixels.
13. The display device of claim 1 , wherein, for a given group of four neighboring first-series pixels, two of the neighboring first-series pixels display a same first color and two of the neighboring first-series pixels display a same second color.
14. The display device of claim 1 , wherein:
the display device is configured to further perform a second display mode,
in the second display mode, the first second-series pixel is configured to display a same color with at least one of the first first-series pixel or the second first-series pixel, and
in the first display mode, the first second-series pixel is configured to display black or gray.
15. The display device of claim 14 , wherein:
the first-series pixels further include a third first-series pixel, the second-series pixels further include a second second-series pixel, the second second-series pixel is arranged between the first first-series pixel and the third first-series pixel in a second direction which crosses the first direction,
in the second display mode, the second second-series pixel is configured to display a same color with the first first-series pixel.
16. A display device, comprising:
first-series pixels including a first first-series pixel and a second first-series pixel;
second-series pixels including a first second-series pixel arranged between the first first-series pixel and the second first-series pixel in a first direction; and
a parallax barrier corresponding to the first series pixels and the second series pixels and comprised of openings including a first opening and selectively transmissive barriers including a first barrier and a second barrier, the first opening arranged between the first barrier and the second barrier in the first direction,
wherein, in a first display mode in which the first first-series pixel is configured to display a first image corresponding to a first viewpoint and the second first-series pixel is configured to display a second image corresponding to a second viewpoint:
the first barrier and the second barrier are configured to be in a non-transmissive state;
the first image of the first first-series pixel is radiated to the first viewpoint through the first opening;
the second image of the second first-series pixel is radiated to the second viewpoint through the first opening; and
the first second-series pixel is configured to display a black color or a gray color.
17. The display device according to claim 1 , further comprising a lens through which the first and second images are radiated.