Patent · US Active

Organic light emitting element

US9818957B2 · kind B2 · utility

1Cited by

1References

16Claims

0Family size

Assignee

Canon Kabushiki Kaisha · JP

Inventors

Yosuke Nishide · Kawasaki, JP
Jun Kamatani · Tokyo, JP
Hiroki Ohrui · Kawasaki, JP
Yojiro Matsuda · Yokohama, JP
Masanori Muratsubaki · Hachioji, JP
Satoru Shiobara · Yachiyo, JP
Tetsuo Takahashi · Tokyo, JP
Haruna Iida · Nagoya, JP

Key dates

Filing date	Feb 2, 2015
Grant date	Nov 14, 2017
Priority date	—
Expiry date	Aug 15, 2035

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02B20/30
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

Provided is an organic light emitting element having stable performance in the air. The organic light emitting element includes: an anode; a cathode; and a first organic compound layer placed between the anode and the cathode, in which: the organic light emitting element further includes a first organic compound layer placed between the cathode and the emission layer, and a second organic compound layer placed between the emission layer and the first organic compound layer, and brought into contact with the first organic compound layer; the first organic compound layer contains a first organic compound; the second organic compound layer contains a second organic compound; and the first organic compound includes an organic compound represented by the following general formula [1], and the second organic compound includes an organic compound different from the first organic compound

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.