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Multicolor Electroluminescence from Intermediate Band Semiconductor Structures

United States Patent Application

View the Complete Application at the US Patent & Trademark Office
Lawrence Berkeley National Laboratory - Visit the Technology Transfer and Intellectual Property Management Department Website
In various embodiments of the invention we have used GaNAs alloy with few percent of nitrogen as an active component of a device that simultaneously emits light of two different photon energies. The electroluminescence is produced by applying an electric field to an intermediate band solar cell device with electrically blocked intermediate band.
Walukiewicz, W. (Kensington, CA), Lopez, N. (Madrid, ES), Yu, K.M. (Lafayette, CA), Tanaka, T. (Saga, JP)
The Regents of the University of California (Oakland CA)
15/ 174,604
June 6, 2016
STATEMENT OF GOVERNMENTAL SUPPORT [0002] The invention described and claimed herein was made in part utilizing funds supplied by the U.S. Department of Energy under Contract No. DE-ACO2-05CH11231 between the U.S. Department of Energy and the Regents of the University of California for the management and operation of the Lawrence Berkeley National Laboratory. The government has certain rights in this invention.