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Liquid crystal display with independently activated backlight sources

  • US 5,796,382 A
  • Filed: 01/31/1996
  • Issued: 08/18/1998
  • Est. Priority Date: 02/18/1995
  • Status: Expired due to Term
First Claim
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1. A display unit comprising:

  • a liquid crystal display panel;

    at least two light sources for backlighting the liquid crystal display panel;

    at least one of the light sources being activated independently of the other light source to constantly illuminate selected portions of liquid crystal material in the display panel.

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