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:
Jul. 07, 2026
Filed:
Dec. 17, 2021
Taiwan Semiconductor Manufacturing Company, Ltd., Hsinchu, TW;
Yun-Wei Cheng, Taipei City, TW;
Yi-Hsing Chu, Tainan City, TW;
Yin-Chieh Huang, Tainan City, TW;
Chun-Hao Chou, Tainan City, TW;
Kuo-Cheng Lee, Tainan City, TW;
Hsun-Ying Huang, Tainan City, TW;
Hsin-Chi Chen, Tainan City, TW;
TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD., Hsinchu, TW;
Abstract
A light sensing device is provided. The light sensing device includes a semiconductor substrate and a light sensing region in the semiconductor substrate. The light sensing device also includes a filter element over the light sensing region and a light shielding element over the semiconductor substrate and beside the filter element. The light sensing device further includes a dielectric element over the light shielding element and beside the filter element. A top of the light shielding element and a bottom of the dielectric element have different widths.