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Display devices having color sequential illumination

  • US 5,233,338 A
  • Filed: 09/25/1991
  • Issued: 08/03/1993
  • Est. Priority Date: 09/25/1990
  • Status: Expired due to Fees
First Claim
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1. A method of operating a display device having a lattice of selectably settable pixel elements, the method comprising time multiplex addressing pixel elements of the display during each of a plurality of time intervals within a display period and, contemporaneously therewith illuminating the lattice to produce within a display period a plurality of light outputs each having a respective colour characteristic and a respective time interval within the display period, the time multiplexed addressing of pixel elements arranged to produce a light output of at least one respective colour characteristic during any display period, which output is arranged in a first sequence direction, and the time multiplexed addressing is arranged to produce a light output of the said at least one respective colour characteristic during a display period following the said any display period and being arranged in a second sequence direction opposite to the first sequence direction.

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