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. 09, 2019

Filed:

Feb. 02, 2018
Applicant:

Innolux Corporation, Miao-Li County, TW;

Inventor:

Yu-Heing Chen, Miao-Li County, TW;

Assignee:

INNOLUX CORPORATION, Miao-Li County, TW;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01T 1/205 (2006.01); G01N 23/04 (2018.01); G01T 1/208 (2006.01); G01T 1/20 (2006.01); H01L 27/146 (2006.01);
U.S. Cl.
CPC ...
G01T 1/208 (2013.01); G01T 1/2018 (2013.01); H01L 27/14663 (2013.01); G01N 23/04 (2013.01);
Abstract

A pixel circuit of an X-ray sensor includes a photo diode, a first transistor, a second transistor and a third transistor. The photo diode is used to sense X-rays and to generate a corresponding electrical sensing signal. The first transistor is electrically connected with the photo diode to reset the electrical sensing signal. The second transistor is electrically connected with the photo diode to amplify the electrical sensing signal and to generate an amplified sensing signal. The third transistor is electrically connected with the second transistor to output the amplified sensing signal. The second transistor has a terminal electrically connected with a high voltage, and the first transistor has a terminal electrically connected with a calibration voltage. The high voltage and the calibration voltage are controlled separately.


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