ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,441,936, issued on Oct. 14, was assigned to Samsung Display Co. Ltd. (Yongin-si, South Korea).
"Light emitting element and polycyclic compound for the same" was invented by Takao Sakuma (Yokohama, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A light emitting element includes a first electrode, a second electrode, and at least one functional layer disposed between the first electrode and the second electrode, in which the at least one functional layer includes a polycyclic compound represented by Formula 1, and the light emitting element thereby exhibits improved service life characteristics:"
The patent was filed on Sept. 13, 2021, under Applic...