US Patent Issued to Samsung Display on Nov. 25 for "Light-emitting device having improved luminescence efficiency and lifespan and an electronic apparatus including the light-emitting device" (South Korean Inventor)

ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,480,039, issued on Nov. 25, was assigned to Samsung Display Co. Ltd. (Yongin-si, South Korea).

"Light-emitting device having improved luminescence efficiency and lifespan and an electronic apparatus including the light-emitting device" was invented by Hyeongpil Kim (Yongin-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an interlayer between the first electrode and the second electrode and including an emission layer, wherein the interlayer includes a hole injection layer and a hole transport layer between the first electrode and the em...