Organic photovoltaic element
Patent 5350459 Issued on September 27, 1994. Estimated Expiration Date: 
April 30, 2013. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
April 30, 2013. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesRare earth magnets and method of producing same Patent #: 5201963 InventorsAssigneeApplicationNo. 054199 filed on 04/30/1993US Classes:136/263, Organic active material containing257/40, ORGANIC SEMICONDUCTOR MATERIAL257/184, Light responsive structure257/461, Light responsive pn junction257/E51.017, Comprising organic semiconductor-organic semiconductor heterojunction (EPO)257/E51.05Aromatic compound containing heteroatom (e.g., perylenetetracarboxylic dianhydride, perylene tetracarboxylic diimide) (EPO)ExaminersPrimary: Weisstuch, AaronAttorney, Agent or FirmForeign Patent References
International ClassesH01L 031/06H01L 031/034.4 Foreign Application Priority Data1992-05-01 JPAbstractAn 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. | |
