ALEXANDRIA, Va., March 26 -- United States Patent no. 12,262,563, issued on March 25, was assigned to OmniVision Technologies Inc. (Santa Clara, Calif.).

"Pixel cell having anti-blooming structure and image sensor" was invented by Shiyu Sun (Cupertino, Calif.), Yuanwei Zheng (San Jose, Calif.), Gang Chen (San Jose, Calif.), Sing-Chung Hu (San Jose, Calif.) and Armin Yazdani (New York).

According to the abstract* released by the U.S. Patent & Trademark Office: "A pixel cell is formed on a semiconductor substrate having a front surface. The pixel cell includes a photodiode, a floating diffusion region, and a transfer gate. The photodiode is disposed in the semiconductor substrate. The floating diffusion region includes a first doped region ...