ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,550,477, issued on Feb. 10, was assigned to Seoul Viosys Co. Ltd. (Ansan-si, South Korea).
"Light emitting device for display and display apparatus" was invented by Chung Hoon Lee (Ansan-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A light emitting display including a circuit board, a plurality of light emitting devices arranged on the circuit board each including a first, LED stack, a second LED stack, and a third LED stack, a bump pad disposed between the circuit board and the light emitting device, the bump pad comprising Au material, and an encapsulating layer comprising an optical interference preventing material and covering the ...