ALEXANDRIA, Va., July 7 -- United States Patent no. 12,677,710, issued on July 7, was assigned to NATIONAL TSING HUA UNIVERSITY (Hsinchu City, Taiwan).
"All-inorganic up-conversion display" was invented by Meng-Chyi Wu (Hsinchu City, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An all-inorganic up-conversion display includes a photodiode array and a light emitting diode array. The photodiode array includes a first substrate having a first conductivity type, a buffer layer formed on a first surface of the first substrate, an absorption layer formed on the buffer layer, a cap layer formed on the absorption layer, a first patterned passivation layer formed on the cap layer and exposing an array of cont...