ALEXANDRIA, Va., April 9 -- United States Patent no. 12,274,100, issued on April 8, was assigned to United States of America as represented by the Secretary of the Air Force (Kirtland AFB, N.M.).

"Methods for coupling solar cells" was invented by Geoffrey Keith Bradshaw (Raleigh, N.C.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems, methods and apparatus related to a multijunction solar cell. The apparatus comprises a first sub-solar cell, a second sub-solar cell in series with the first sub-solar cell and one or more quantum wells. At least some of the quantum wells are disposed in a region of the first sub-solar cell, and have a thickness and a bandgap sized such that a bandgap in selected quantum w...