ALEXANDRIA, Va., June 4 -- United States Patent no. 12,320,672, issued on June 3, was assigned to PIXART IMAGING INC. (Hsin-Chu County, Taiwan).

"Sensing element having pixels exposed by apertures increasing along different directions" was invented by En-Feng Hsu (Hsin-Chu County, Taiwan) and Chia-Yu Liu (Hsin-Chu County, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A sensing element includes a plurality of sensing pixel areas arranged in matrix, wherein each of the plurality of sensing pixel areas includes a first pixel, a second pixel, a first shielding layer, a second shielding layer and at least one micro lens. The second pixel is adjacent to the first pixel in a predetermined direction. The fir...