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Hologram color filter, liquid crystal display device using the same, and fabrication process of hologram color filter

  • US 5,506,701 A
  • Filed: 01/28/1994
  • Issued: 04/09/1996
  • Est. Priority Date: 01/28/1993
  • Status: Expired due to Term
First Claim
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1. A hologram color filter, comprising:

  • a hologram, wherein incident light is spectrally diffracted by said hologram into spectral components of different wavelength, wherein one of said spectral components is emitted to a desired position at a predetermined spatial period, and wherein said hologram has an efficiency of diffraction independent, or less dependent, on wavelength.

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