Challenged claims of Pictiva Displays International Ltd.'s patent that relates to an encapsulation method for organic light emitting diode devices aren’t unpatentable as obvious over prior art, the Patent Trial and Appeal Board said, in an inter partes review by Samsung Display Co. Ltd. The board determined that the challenged claims aren’t obvious over various combinations of prior art, including prior art that relates to a method of manufacturing a semiconductor element, and that describes an electroluminescent unit covered with a protective double layer.
This summary was produced by Bloomberg Law Automation and edited by Bloomberg Law staff.
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