ALEXANDRIA, Va., May 12 -- United States Patent no. 12,623,455, issued on May 12, was assigned to SAMSUNG DISPLAY Co. LTD. (Gyeonggi-Do, South Korea).

"Printing device for high viscous fluids with selective nozzle activation" was invented by Yong Hwan Kim (Yongin-si, South Korea), Min Ho Bae (Yongin-si, South Korea), Hae Wook Yang (Yongin-si, South Korea) and Gil Jun Kim (Yongin-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A printing device includes a reservoir accommodating a fluid, a first nozzle disposed on the bottom of the reservoir, the first nozzle including a plurality of nozzle holes through which the fluid is discharged as a droplet, first electrodes disposed on at least a portion...