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:
Feb. 12, 2019

Filed:

Jan. 29, 2018
Applicant:

Omnivision Technologies, Inc., Santa Clara, CA (US);

Inventors:

Kazufumi Watanabe, Mountain View, CA (US);

Chih-Wei Hsiung, San Jose, CA (US);

Dyson Hsin-Chih Tai, San Jose, CA (US);

Lindsay Alexander Grant, Los Gatos, CA (US);

Assignee:

OmniVision Technologies, Inc., Santa Clara, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 27/146 (2006.01); H04N 9/04 (2006.01); H04N 5/378 (2011.01);
U.S. Cl.
CPC ...
H01L 27/1463 (2013.01); H01L 27/14612 (2013.01); H01L 27/14621 (2013.01); H01L 27/14627 (2013.01); H01L 27/14645 (2013.01); H01L 27/14683 (2013.01); H04N 5/378 (2013.01); H04N 9/045 (2013.01);
Abstract

A multi-color HDR image sensor includes at least a first combination color pixel with a first color filter and an adjacent second combination color pixel with a second color filter which is different from the first color filter, wherein each combination color pixel includes at least two sub-pixels having at least two adjacent photodiodes. Within each combination color pixel, there is a dielectric deep trench isolation (d-DTI) structure to isolate the two adjacent photodiodes of the two adjacent sub-pixels with same color filters in order to prevent the electrical cross talk. Between two adjacent combination color pixels with different color filters, there is a hybrid deep trench isolation (h-DTI) structure to isolate two adjacent photodiodes of two adjacent sub-pixels with different color filters in order to prevent both optical and electrical cross talk. Each combination color pixel is enclosed on all sides by the hybrid deep trench isolation (h-DTI) structure.


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