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Device and system for a multi-color sequential LCD panel wherein the number of colors in a sequence of display colors is greater than the number of LED colors

  • US 9,196,203 B2
  • Filed: 10/15/2012
  • Issued: 11/24/2015
  • Est. Priority Date: 06/11/2001
  • Status: Active Grant
First Claim
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1. A liquid crystal display (LCD) device comprising:

  • an array of liquid crystal (LC) cells,an array of light emitting diodes (LEDs) positioned to back-illuminate said LC array, said array of LEDs comprising LEDs of at least three colors,an illumination control system operably connected to said LED array, said illumination control system being programmed to;

    present a sequence of display colors by selectively activating the LED array in a sequence, wherein the number of colors in the sequence is greater than the number of LED colors, andwherein for at least part of the sequence, said illumination control system is to operate LEDs of two different colors simultaneously, with the duration of operation of LEDs of at least one color of said two different colors being substantially longer than one third of the sequence period.

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