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Methods and apparatus for spatial light modulation

  • US 7,417,782 B2
  • Filed: 09/02/2005
  • Issued: 08/26/2008
  • Est. Priority Date: 02/23/2005
  • Status: Active Grant
First Claim
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1. A display apparatus comprising:

  • a first reflective surface defining a plurality of light-transmissive regions,a second reflective surface, at least partially facing the first reflective surface, for reflecting light towards the plurality of light-transmissive regions,a light guide for distributing light substantially throughout a cavity formed between the first and second reflective surfaces, andan array of light modulators for selectively obstructing the plurality of light-transmissive regions thereby forming pixels on the display apparatus, wherein the array of light modulators is separated from the first reflective surface by a gap, wherein the gap is less than about 100 μ

    m wide.

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