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Highlight color twisting ball display

  • US 5,760,761 A
  • Filed: 12/15/1995
  • Issued: 06/02/1998
  • Est. Priority Date: 12/15/1995
  • Status: Expired due to Term
First Claim
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1. A spheroidal ball having a center point and comprising a plurality of segments arrayed substantially parallel to one another, each segment being adjacent to at least one other segment and to no more than two other segments, each segment adjacent to exactly one other segment being an exterior segment, each segment adjacent to exactly two other segments being an interior segment, adjacent segments being adjoined to one another at substantially planar interfaces, each segment having an optical modulation characteristic, the optical modulation characteristics of adjacent segments being different from one another, the plurality of segments including:

  • a central segment including the center point of the ball, the central segment being an interior segment and having a thickness;

    a first interior segment adjacent to the central segment, the first interior segment having a thickness less than the central segment thickness;

    a second interior segment adjacent to the central segment and situated opposite the first interior segment with respect to the central segment, the second interior segment having a thickness less than the central segment thickness;

    a first exterior segment; and

    a second exterior segment;

    the ball having an anisotropy for providing an electrical dipole moment, the electrical dipole moment rendering the ball electrically responsive such that when the ball is rotatably disposed in a nonoscillating electric field while the electrical dipole moment of the ball is provided, the ball tends to rotate to an orientation in which the electrical dipole moment aligns with the field.

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