Title:
有機エレクトロルミネッセンス素子、その製造方法及び照明装置
Document Type and Number:
Japanese Patent JP5929512
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide: an organic electroluminescent element excellent in luminous efficiency, durability (emission life), and temporal stability of luminous colors, low in drive voltage, reduced in occurrence of dark spots, and suppressed in luminance unevenness during light emission; and a lighting system including the organic electroluminescent element.SOLUTION: In an organic electroluminescent element including an anode, a cathode and a single or a plurality of organic layers having a luminous layer while the organic layers are held between the anode and the cathode, at least one layer of the organic layers contains a hexadentate ligand type ortho-metal iridium complex represented by general formula (I). [In the formula, V represents a trivalent linking group having an aromatic heterocyclic and is linked with L-Lby covalent bonds, and L-Lrepresent a specific aromatic nitrogen-containing heterocyclic compound.]
Inventors:
Norio Miura
Masato Nishiseki
Masato Nishiseki
Application Number:
JP2012118260A
Publication Date:
June 08, 2016
Filing Date:
May 24, 2012
Export Citation:
Assignee:
Konica Minolta Co., Ltd.
International Classes:
H01L51/50; C07F7/10; C07F15/00; C07F19/00; C09K11/06; H05B33/10
Domestic Patent References:
| JP2009057505A | ||||
| JP2007533774A | ||||
| JP2012195554A | ||||
| JP2013168552A |
Foreign References:
| US20120018714 | ||||
| WO2007086505A1 | ||||
| US20050170207 |
Attorney, Agent or Firm:
Gwangyang International Patent Office