US 5,350,459 A · Organic photovoltaic element

Abstract

An organic photovoltaic element is composed of a first electrode, a first electron acceptor organic layer provided on the first electrode, a second electron acceptor organic layer which is different from the first electron acceptor organic layer, provided on the first electron acceptor organic layer, a first electron donor organic layer provided on the second electron acceptor organic layer, a second electron acceptor organic layer which is different from the first electron acceptor organic layer, provided on the first electron acceptor organic layer, and a second electrode provided on the second electron acceptor organic layer, at least one of the first electrode or the second electrode being transparent.

Claims6

Dependent claims

An organic photovoltaic element comprising:

a first electrode,
a first electron acceptor organic layer provided on said first electrode,
a second electron acceptor organic layer which is different from said first electron acceptor organic layer, provided on said first electron acceptor organic layer,
a first electron donor organic layer provided on said second electron acceptor organic layer,
a second electron acceptor organic layer which is different from said first electron acceptor organic layer, provided on said first electron acceptor organic layer, and
a second electrode provided on said second electron acceptor organic layer, at least one of said first electrode or said second electrode being transparent.

3 more elements

Dependencies are inferred from the claim text.

Facts

Application

08/054,199Filed 30 Apr 1993

Priority

JP 4-1127041 May 1992

Granted

27 Sep 1994

Term ends

Not estimatedThe source records don’t support an estimate.

Classification8 codes

H10K 85/621
Polycyclic condensed aromatic hydrocarbons, e.g. anthracene: aromatic anhydride or imide compounds, e.g. perylene tetra-carboxylic dianhydride or…
H10K 30/211
Comprising organic-organic junctions, e.g. donor-acceptor junctions: comprising multiple junctions, e.g. double heterojunctions
H10K 85/6572
Polycyclic condensed heteroaromatic hydrocarbons: comprising only nitrogen in the heteroaromatic polycondensed ring system, e.g. phenanthroline or…
H10K 30/50
Organic devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation: photovoltaic…

Organic photovoltaic element

Life of this patent

Organic photovoltaic element

Life of this patent

Abstract

Claims6