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UNIVERSAL TRANSMISSION REFLECTANCE MODE LIQUID CRYSTAL DISPLAY

  • US 3,748,018 A
  • Filed: 02/09/1972
  • Issued: 07/24/1973
  • Est. Priority Date: 02/09/1972
  • Status: Expired due to Term
First Claim
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2. The display unit of claim 1 including manual switch means for operating said light source.

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