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Electroluminescent device

  • US 5,118,986 A
  • Filed: 06/21/1990
  • Issued: 06/02/1992
  • Est. Priority Date: 06/30/1989
  • Status: Expired due to Fees
First Claim
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1. An electroluminescent device comprising:

  • an anode and a cathode; and

    at least two organic compound layers sandwiched between said anode and said cathode,at least one of said organic compound layers being a hole transporting layer consisting essentially of a compound having the following formula ##STR16## wherein R1 is hydrogen, C1-5 alkyl, C1-4 alkoxy, halogen or nitro, and A is ##STR17## wherein R3 is C1-10 alkyl.

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