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Polymer dispersed liquid crystal (PDLC) display element for use in an electronic apparatus

  • US 6,261,650 B1
  • Filed: 09/20/1999
  • Issued: 07/17/2001
  • Est. Priority Date: 03/29/1993
  • Status: Expired due to Fees
First Claim
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1. An electronic apparatus comprising:

  • a display apparatus displaying a first information and a separate display element displaying a second information, said display element comprising a liquid crystal and polymer medium formed between a pair of spatially supported substrates, said substrates each having an electrode on one surface thereof and means for applying an electric field across said medium via said electrodes wherein said medium is placed in a light transmissive state in the absence of the applied electric field and is placed in a light scattering state in the presence of the applied electric field, said electronic apparatus displaying a superimposed information of both the second information of said display element by light scattering and the first information of said display apparatus, said electronic apparatus further comprising a refractive layer positioned between said display element and said display apparatus.

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