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:
Jan. 25, 2022

Filed:

Dec. 27, 2019
Applicant:

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

Inventors:

Wenshou Chen, Santa Clara, CA (US);

Guansong Liu, San Jose, CA (US);

Yiyi Ren, San Jose, CA (US);

Chin Poh Pang, Pleasanton, CA (US);

Badrinath Padmanabhan, San Jose, CA (US);

Alireza Bonakdar, San Jose, CA (US);

Assignee:

OMNIVISION TECHNOLOGIES, INC., Santa Clara, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 5/3745 (2011.01); H01L 27/146 (2006.01); H04N 5/378 (2011.01); H04N 5/232 (2006.01);
U.S. Cl.
CPC ...
H04N 5/3745 (2013.01); H01L 27/14627 (2013.01); H01L 27/14645 (2013.01); H04N 5/232122 (2018.08); H04N 5/378 (2013.01);
Abstract

In some embodiments, an image sensor is provided. The image sensor comprises a plurality of photodiodes arranged as a photodiode array. The plurality of photodiodes includes a first set of photodiodes configured as phase detection photodiodes, and a second set of photodiodes configured as polarization detection photodiodes. In some embodiments, a controller is provided. The controller comprises circuitry configured to process signals from a first set of photodiodes of a photodiode array to obtain depth information; process signals from a second set of photodiodes of the photodiode array to obtain polarization information; process the polarization information to obtain an ambiguous set of surface normals; and process the ambiguous set of surface normals using the depth information to obtain a three-dimensional shape image.


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