Title:
ORGANIC ELECTROLUMINESCENT ELEMENT
Document Type and Number:
Japanese Patent JP2004207102
Kind Code:
A
Abstract:
To provide an organic electroluminescent element with improved light-emitting characteristics and life characteristics.
The organic electroluminescent element has a thin film layer of hole transportability contacting a positive electrode layer, and its thin film layer contains 5 mass % or more polymer compound and the energy value of the lowest unoccupied molecular orbital of the thin film layer is 2.1 eV or more.
Inventors:
TAKAHASHI AKIRA
Application Number:
JP2002376280A
Publication Date:
July 22, 2004
Filing Date:
December 26, 2002
Export Citation:
Assignee:
OPTREX KK
ASAHI GLASS CO LTD
ASAHI GLASS CO LTD
International Classes:
B32B9/00; B32B19/00; C09K11/06; H01J1/62; H01J63/04; H01L51/50; H05B33/14; H05B33/22; H01L51/00; H01L51/30; (IPC1-7): H05B33/22; H05B33/14
Attorney, Agent or Firm:
Mamoru Tsunoda