Autostereoscopic display apparatus and method
First Claim
1. A three-dimensional (3D) display apparatus for displaying a 3D image, comprising:
- a display panel having a plurality of display pixels arranged in a two-dimensional array, wherein the plurality of display pixels include a first set of display pixels displaying a first view point image of the 3D image and a second set of display pixels displaying a second view point image of the 3D image; and
a grating device coupled to the display panel and having a plurality of grating elements to guide lights associated with the plurality of display pixels into predetermined viewing directions,wherein;
the grating device is one of a lenticular lens grating and a slit grating;
the plurality of grating elements cover the plurality of display pixels and are tilted by rotating a ridge line direction of the plurality of grating elements with respect to a diagonal direction of the plurality display pixels by a non-zero angle from a direction parallel to the diagonal direction such that a tilted direction of the plurality of grating elements forms the non-zero angle with respect to the diagonal direction of the plurality display pixels to reduce Moire patterns based on irregularity caused by the rotated ridge line direction;
a controller of the 3D display apparatus re-calculates a display value of a display pixel from the first set of display pixels based on an original value of the display pixel and an original value of a neighboring display pixel from the second set of display pixels,wherein, provided that x and y are integers, the controller of the 3D display apparatus associates a decimal number x.y with a display pixel for re-calculating the value of the display pixel and re-calculates the display value of the display pixel according to the decimal number x.y, wherein x indicates which number of view point image of the 3D image the display pixel is from and y indicates a percentage of the display value of a neighboring display pixel from a different view point image to be included in the display value of the display pixel.
2 Assignments
0 Petitions
Accused Products
Abstract
An autostereoscopic display apparatus is provided for three-dimensional (3D) display. The autostereoscopic display apparatus includes a display panel having a plurality of display elements arranged in a two-dimensional array. The autostereoscopic display apparatus also includes a grating device coupled to the display device and having a plurality of grating elements to guide lights associated with 3D display into predetermined viewing directions. Further, the plurality of grating elements cover the plurality of display elements and are tilted such that a tilted direction of the plurality of grating elements form a non-zero angle with respect to a diagonal direction of the plurality display elements.
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Citations
23 Claims
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1. A three-dimensional (3D) display apparatus for displaying a 3D image, comprising:
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a display panel having a plurality of display pixels arranged in a two-dimensional array, wherein the plurality of display pixels include a first set of display pixels displaying a first view point image of the 3D image and a second set of display pixels displaying a second view point image of the 3D image; and a grating device coupled to the display panel and having a plurality of grating elements to guide lights associated with the plurality of display pixels into predetermined viewing directions, wherein; the grating device is one of a lenticular lens grating and a slit grating; the plurality of grating elements cover the plurality of display pixels and are tilted by rotating a ridge line direction of the plurality of grating elements with respect to a diagonal direction of the plurality display pixels by a non-zero angle from a direction parallel to the diagonal direction such that a tilted direction of the plurality of grating elements forms the non-zero angle with respect to the diagonal direction of the plurality display pixels to reduce Moire patterns based on irregularity caused by the rotated ridge line direction; a controller of the 3D display apparatus re-calculates a display value of a display pixel from the first set of display pixels based on an original value of the display pixel and an original value of a neighboring display pixel from the second set of display pixels, wherein, provided that x and y are integers, the controller of the 3D display apparatus associates a decimal number x.y with a display pixel for re-calculating the value of the display pixel and re-calculates the display value of the display pixel according to the decimal number x.y, wherein x indicates which number of view point image of the 3D image the display pixel is from and y indicates a percentage of the display value of a neighboring display pixel from a different view point image to be included in the display value of the display pixel. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 20, 21, 22, 23)
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9. A grating device for use in a three-dimensional (3D) display apparatus having a display panel having a plurality of display pixels arranged in a two-dimensional array, comprising:
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a plurality of grating elements configured to cover the plurality of display elements to guide lights associated with the plurality of display pixels into predetermined viewing directions, wherein; the plurality of display pixels include a first set of display pixels displaying a first view point image of the 3D image and a second set of display pixels displaying a second view point image of the 3D image; the grating device is one of a lenticular lens grating and a slit grating; the plurality of grating elements cover the plurality of display pixels and are tilted by rotating a ridge line direction of the plurality of grating elements with respect to a diagonal direction of the plurality display pixels by a non-zero angle from a direction parallel to the diagonal direction such that a tilted direction of the plurality of grating elements forms the non-zero angle with respect to the diagonal direction of the plurality display pixels to reduce Moire patterns based on irregularity caused by the rotated ridge line direction; a controller of the 3D display apparatus re-calculates a display value of a display pixel from the first set of display pixels based on an original value of the display pixel and an original value of a neighboring display pixel from the second set of display pixels, wherein, provided that x and y are integers, the controller of the 3D display apparatus associates a decimal number x.y with a display pixel for re-calculating the value of the display pixel and re-calculates the display value of the display pixel according to the decimal number x.y, wherein x indicates which number of view point image of the 3D image the display pixel is from and y indicates a percentage of the display value of a neighboring display pixel from a different view point image to be included in the display value of the display pixel. - View Dependent Claims (10, 11, 12, 13, 14)
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15. A grating for use in three-dimensional (3D) display apparatus having a display panel having a plurality of display pixels arranged in a two-dimensional array and the plurality of display elements being separated by a plurality of mask lines formed in a mask line grid, comprising:
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a plurality of grating elements configured to cover the plurality of display elements to guide lights associated with the plurality of display pixels into predetermined viewing directions, wherein; the plurality of display pixels include a first set of display pixels displaying a first view point image of the 3D image and a second set of display pixels displaying a second view point image of the 3D image; the grating is one of a lenticular lens grating and a slit grating; the plurality of grating elements cover the plurality of display pixels and are tilted by rotating a ridge line direction of the plurality of grating elements with respect to a diagonal direction of the plurality display pixels by a non-zero angle from a direction parallel to the diagonal direction such that a tilted direction of the plurality of grating elements forms the non-zero angle with respect to the diagonal direction of the plurality display pixels to reduce Moire patterns based on irregularity caused by the rotated ridge line direction; a controller of the 3D display apparatus re-calculates a display value of a display pixel from the first set of display pixels based on an original value of the display pixel and an original value of a neighboring display pixel from the second set of display pixels, wherein, provided that x and y are integers, the controller of the 3D display apparatus associates a decimal number x.y with a display pixel for re-calculating the value of the display pixel and re-calculates the display value of the display pixel according to the decimal number x.y, wherein x indicates which number of view point image of the 3D image the display pixel is from and y indicates a percentage of the display value of a neighboring display pixel from a different view point image to be included in the display value of the display pixel.
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16. A method for use in a three-dimensional (3D) display apparatus having a display panel having a plurality of display elements arranged in a two-dimensional array, wherein the plurality of display pixels include a first set of display pixels displaying a first view point image of the 3D image and a second set of display pixels displaying a second view point image of the 3D image, the method comprising:
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covering the plurality of display pixels using a plurality of grating elements of a grating, wherein the grating device is one of a lenticular lens grating and a slit grating; configuring the plurality of grating elements to be tilted by rotating a ridge-line direction of the plurality of grating elements with respect to a diagonal direction of the plurality display pixels by a non-zero angle from a direction parallel to the diagonal direction such that a tilted direction of the plurality of grating elements forms the non-zero angle with respect to the diagonal direction of the plurality display pixels to reduce Moire patterns based on irregularity caused by the rotated ridge line direction; re-calculating, by a controller of the 3D display apparatus, a display value of a display pixel from the first set of display pixels based on an original value of the display pixel and an original value of a neighboring display pixel from the second set of display pixels; and guiding lights associated with the plurality of display pixels into predetermined viewing directions by the plurality of grating elements. - View Dependent Claims (17, 18, 19)
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Specification