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:
Aug. 25, 2015

Filed:

Aug. 17, 2010
Applicants:

Ho-jung Kim, Suwon-si, KR;

U-in Chung, Seoul, KR;

Jai-kwang Shin, Anyang-si, KR;

Sun-il Kim, Osan-si, KR;

I-hun Song, Seongnam-si, KR;

Chang-jung Kim, Yongin-si, KR;

Sang-hun Jeon, Yongin-si, KR;

Inventors:

Ho-jung Kim, Suwon-si, KR;

U-in Chung, Seoul, KR;

Jai-kwang Shin, Anyang-si, KR;

Sun-il Kim, Osan-si, KR;

I-hun Song, Seongnam-si, KR;

Chang-jung Kim, Yongin-si, KR;

Sang-hun Jeon, Yongin-si, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 27/00 (2006.01); H04N 9/04 (2006.01); H04N 5/3745 (2011.01); H01L 27/146 (2006.01);
U.S. Cl.
CPC ...
H04N 9/045 (2013.01); H04N 5/3745 (2013.01); H01L 27/14643 (2013.01);
Abstract

Image sensors and methods of operating the same. An image sensor includes a pixel array including a plurality of pixels. Each of the plurality of pixels includes a photo sensor, the voltage-current characteristics of which vary according to energy of incident light, and that generates a sense current determined by the energy of the incident light; a reset unit that is activated to generate a reference current, according to a reset signal for resetting at least one of the plurality of pixels; and a conversion unit that converts the sense current and the reference current into a sense voltage and a reference voltage, respectively.


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