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System and eyewear for viewing stereoscopic imagery

  • US 20090066863A1
  • Filed: 09/08/2008
  • Published: 03/12/2009
  • Est. Priority Date: 09/07/2007
  • Status: Active Grant
First Claim
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1. A liquid crystal shutter lens, comprising:

  • a first polarizer having an absorption axis oriented in a first direction;

    a second polarizer having an absorption axis oriented in a second direction and substantially orthogonal to the first direction;

    a super-twisted nematic (STN) liquid crystal (LC) cell positioned between the first polarizer and the second polarizer, wherein the STN LC cell has a first buffing direction, and wherein the STN LC cell has a second buffing direction substantially 270 degrees from the first direction; and

    a first compensator element between the first polarizer and the second polarizer.

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