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:
Jul. 23, 2024

Filed:

Nov. 12, 2020
Applicant:

Visera Technologies Company Limited, Hsin-Chu, TW;

Inventors:

Ching-Hua Li, Taoyuan, TW;

Yu-Chi Chang, Hukou township, Hsinchu county, TW;

Zong-Ru Tu, Zhubei, TW;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 27/146 (2006.01);
U.S. Cl.
CPC ...
H01L 27/14623 (2013.01); H01L 27/14621 (2013.01); H01L 27/14627 (2013.01); H01L 27/14645 (2013.01);
Abstract

A solid-state image sensor is provided. The solid-state image sensor includes a plurality of photoelectric conversion elements. The solid-state image sensor also includes a first color filter layer disposed above the photoelectric conversion elements and a second color filter layer disposed adjacent to the first color filter layer, which respectively have a plurality of first color filter segments and a plurality of second color filter segments. Moreover, the solid-state image sensor includes a first metal grid structure disposed between the first color filter layer and the second color filter layer. The solid-state image sensor also includes a second metal grid structure disposed between the first color filter segments and between the second color filter segments. The bottom of the first metal grid structure has a first grid width, and the bottom of the second metal grid structure has a second grid width narrower than the first grid width.


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