Title:
【発明の名称】カソードを改善した電界発光デバイス
Document Type and Number:
Japanese Patent JP2723242
Kind Code:
B2
Abstract:
An electroluminescent device is disclosed comprised of, in sequence, an anode, an organic hole transporting zone, an organic electron transporting zone, and a cathode. The cathode is comprised of a layer of a plurality of metals other than alkali metals, at least one of said metals having a work function of less than 4 eV.
Inventors:
CHIN WAN TAN
SUTEIIBUN AARANDO UANSURIIKU
SUTEIIBUN AARANDO UANSURIIKU
Application Number:
JP3071488A
Publication Date:
March 09, 1998
Filing Date:
February 12, 1988
Export Citation:
Assignee:
IISUTOMAN KODATSUKU CO
International Classes:
C09K11/06; H01L51/30; H01L51/50; H01L51/52; H05B33/12; H05B33/14; H05B33/26; H05B33/28; (IPC1-7): H05B33/26
Other References:
【文献】米国特許4539507(US,A)
Attorney, Agent or Firm:
Tadahiko Ito (1 outside)