The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 07, 2026
Filed:
May. 17, 2023
Applicant:
Taiwan Semiconductor Manufacturing Company, Ltd., Hsinchu, TW;
Inventors:
Chunhao Lin, Tainan City, TW;
Yun-Wei Cheng, Taipei City, TW;
Kuo-Cheng Lee, Tainan City, TW;
Chien Nan Tu, Kaohsiung City, TW;
Assignee:
Taiwan Semiconductor Manufacturing Company, Ltd., Hsinchu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 27/146 (2006.01); H10F 39/00 (2025.01);
U.S. Cl.
CPC ...
H10F 39/807 (2025.01); H10F 39/011 (2025.01);
Abstract
A shielding structure of air gaps, formed on a grid structure between pixel sensors in a pixel array, reduces crosstalk. Efficiency and signal-to-noise ratio of the pixel sensors is increased because crosstalk is reduced. The shielding structure also increases quantum efficiency of the pixel array because the air gaps do not adsorb photons.