Title:
BIOMETRIC IMAGE READER IN DISPLAY AREA
Document Type and Number:
WIPO Patent Application WO/2019/088783
Kind Code:
A1
Abstract:
An embodiment provides an image reader, which is an image reader comprising a plurality of pixels disposed in the form of a matrix including a plurality of rows and columns, comprising: a pixel signal processing circuit for outputting a first voltage value and a second voltage value by amplifying and converting a first output current which is outputted from a first pixel, and in which a signal associated with an object to be detected and a signal associated with a noise are combined, and a second output current outputted from a second pixel and including the signal associated with the noise; and an analog-digital conversion unit for digitalizing by way of the difference between the first voltage value and the second voltage value.
Inventors:
KIM JAE HEUNG (KR)
KIM JONG UK (KR)
JEON HO SIK (KR)
LEE JUN SUK (KR)
LEE MYUNG HEE (KR)
SEO WON KUK (KR)
KIM JONG UK (KR)
JEON HO SIK (KR)
LEE JUN SUK (KR)
LEE MYUNG HEE (KR)
SEO WON KUK (KR)
Application Number:
PCT/KR2018/013311
Publication Date:
May 09, 2019
Filing Date:
November 05, 2018
Export Citation:
Assignee:
CRUCIALTEC CO LTD (KR)
International Classes:
G06K9/00; H03K17/96
Foreign References:
| JP2012168919A | 2012-09-06 | |||
| KR20120115766A | 2012-10-19 | |||
| KR20050089186A | 2005-09-08 | |||
| KR20170108264A | 2017-09-27 | |||
| KR100991130B1 | 2010-11-02 |
Attorney, Agent or Firm:
HANA IP LAW FIRM (KR)
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