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:
Apr. 18, 2017

Filed:

Mar. 28, 2014
Applicant:

Samsung Electronics Co., Ltd., Suwon-si, Gyeonggi-do, KR;

Inventors:

EunJong Jang, Osan-si, KR;

Yong-Hun Kim, Seoul, KR;

Myoungsik Suh, Hwaseong-si, KR;

Jae-Bum Lee, Gwangmyeong-si, KR;

SooJin Park, Suwon-si, KR;

Assignee:

SAMSUNG ELECTRONICS CO., LTD., Samsung-ro, Yeongtong-gu, Suwon-si, Gyeonggi-do, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 5/00 (2006.01); H03K 17/22 (2006.01); G06F 1/24 (2006.01); G09G 3/20 (2006.01);
U.S. Cl.
CPC ...
H03K 17/223 (2013.01); G06F 1/24 (2013.01); G09G 3/20 (2013.01); G09G 5/003 (2013.01); G09G 2310/0267 (2013.01); G09G 2310/0275 (2013.01); G09G 2330/026 (2013.01);
Abstract

A power-on reset circuit includes a voltage detector unit to output an electrical signal in response to a power supply voltage received from a power supply terminal, an inverter to output a reset signal according to a level of the electrical signal from the voltage detector unit, a first switch unit to be turned on or off in response to the reset signal from the inverter; a first discharge unit to discharge the electrical signal in response to the power supply voltage from the first switch unit, a second switch unit to be turned on according to a start pulse signal from an external device and to receive the power supply voltage from the power supply terminal, and a second discharge unit to discharge the electrical signal in response to the power supply voltage from the second switch.


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