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.

Date of Patent:
Jun. 08, 2021

Filed:

Nov. 18, 2019
Applicant:

Taiwan Semiconductor Manufacturing Co., Ltd., Hsinchu, TW;

Inventors:

Yun-Wei Cheng, Taipei, TW;

Yin-Chieh Huang, Tainan, TW;

Chun-Hao Chou, Tainan, TW;

Kuo-Cheng Lee, Tainan, TW;

Hsun-Ying Huang, Tainan, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 27/146 (2006.01);
U.S. Cl.
CPC ...
H01L 27/1463 (2013.01); H01L 27/1464 (2013.01); H01L 27/14629 (2013.01); H01L 27/14685 (2013.01); H01L 27/14621 (2013.01); H01L 27/14627 (2013.01);
Abstract

An image sensor includes a substrate, a grid isolation structure, and a color filter. The substrate has a light-sensitive element therein. The grid isolation structure is above the substrate and includes a reflective layer, a first dielectric layer above the reflective layer, and a second dielectric layer above the first dielectric layer. The color filter is above the light-sensitive element and is surrounded by the grid isolation structure.


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