US Patent Issued to Taiwan Semiconductor Manufacturing on March 31 for "Structures and methods for phase detection auto focus" (Taiwanese Inventors)

ALEXANDRIA, Va., March 31 -- United States Patent no. 12,593,147, issued on March 31, was assigned to Taiwan Semiconductor Manufacturing Co. Ltd. (Hsinchu, Taiwan).

"Structures and methods for phase detection auto focus" was invented by Feng-Chien Hsieh (Pingtung City, Taiwan), Yun-Wei Cheng (Taipei City, Taiwan), Wei-Li Hu (Tainan City, Taiwan), Kuo-Cheng Lee (Tainan City, Taiwan) and Cheng-Ming Wu (Tainan City, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "In-pixel separation structures may divide photodiodes of a pixel array into multiple regions. As a result, a lens of an image sensor device may be focused by using combining signals associated with different portions of the photodiodes. As a resu...