Three-dimensional display

Details Three-dimensional display Three-dimensional display

2011-06-28

2011-06-28

Philippe, Gims S (Department: 2482)

Television

Stereoscopic

Stereoscopic display device

C349S015000

Reexamination Certificate

active

07969463

ABSTRACT:
An object of the present invention is to eliminate color non-uniformity and intensity non-uniformity on a three-dimensional image. The present invention provides a three-dimensional display comprising: a two-dimensional display, which comprises a plurality of color subpixels arranged in rows extending in a horizontal direction and in columns extending in a vertical direction which is substantially perpendicular to the horizontal direction, the color subpixels of red, green and blue being arranged periodically in the rows and the color subpixels of the same color being arranged in the columns; and a lenticular sheet provided on the two-dimensional display and having a plurality of cylindrical lenses through which the color subpixels are viewed and which extend in parallel with one another, the central axis of each cylindrical lens being inclined at an angle of θ to the column of the two-dimensional display, wherein, when a pitch of the color subpixels in the horizontal direction is px, a pitch of the color subpixels in the vertical direction is py, and a color subpixel group constituting one three-dimensional pixel is constituted by 3M×N number of color subpixels where 3M is the number of color subpixels in each row of one of the cylindrical lenses and N is the number of color subpixels in each column of one of the cylindrical lenses, a relationship, θ=tan−1(3px/NPy), is satisfied.

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Yasuhiro Takaki, Three-dimensional Display Using Modified Two-dimensionally Aligned Multiple Telecentric Optical Systems, The Journal of the Institute if Image Information and Television Engineers, vol. 57. No. 2, p. 293-300 (2003).
Takeshi Fukutomi, Hisaki Nate, and Yasuhiro Takaki, Accommodation Responses to 3D Images Consisting of Highly-Density Directional Images, The Journal of the Institute of Image Information and Television Engineers, vol. 58. No. 1, p. 69-74 (2004).
Cees van Berkel et al., “Characterisation and Optimisation of 3D-LCD Module Design,”Proceedings of SPIE, 1997, vol. 3012, pp. 179-187.

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