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. 13, 2018

Filed:

Jul. 10, 2012
Applicants:

Young Kim, Yongin-si, KR;

I-hun Song, Seongnam-si, KR;

Seung-eon Ahn, Hwaseong-si, KR;

Sang-hun Jeon, Seoul, KR;

Chang-jung Kim, Yongin-si, KR;

Sung-ho Park, Yongin-si, KR;

Inventors:

Young Kim, Yongin-si, KR;

I-hun Song, Seongnam-si, KR;

Seung-eon Ahn, Hwaseong-si, KR;

Sang-hun Jeon, Seoul, KR;

Chang-jung Kim, Yongin-si, KR;

Sung-ho Park, Yongin-si, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/36 (2006.01); G01J 1/44 (2006.01); H01L 27/146 (2006.01); G06F 3/038 (2013.01); G06F 3/041 (2006.01); G06F 3/042 (2006.01); H01L 27/12 (2006.01); H01L 31/113 (2006.01); H04N 5/3745 (2011.01);
U.S. Cl.
CPC ...
G01J 1/44 (2013.01); G06F 3/0386 (2013.01); G06F 3/042 (2013.01); G06F 3/0412 (2013.01); H01L 27/1225 (2013.01); H01L 27/14609 (2013.01); H01L 27/14681 (2013.01); H01L 31/1136 (2013.01); G09G 3/3648 (2013.01); H04N 5/3745 (2013.01);
Abstract

In a simplified light sensing circuit, a light sensing apparatus including the light sensing circuit, a method of driving the light sensing apparatus, and an image acquisition apparatus and optical touch screen apparatus including the light sensing apparatus, the light sensing circuit includes an oxide semiconductor transistor including a channel layer including an oxide semiconductor material, for each pixel. The oxide semiconductor transistor is configured to operate as a light sensing device that senses light and a switch that outputs light sensing data.


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