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. 05, 2016

Filed:

Dec. 26, 2013
Applicant:

Lg Display Co., Ltd., Seoul, KR;

Inventor:

Yong-Ho Jang, Goyang-si, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 19/00 (2006.01); G11C 19/28 (2006.01); G09G 3/32 (2016.01);
U.S. Cl.
CPC ...
G11C 19/28 (2013.01); G09G 3/3266 (2013.01); G09G 2310/0286 (2013.01);
Abstract

A shift register includes a plurality of stages each outputting k composite pulses each including an A-scan pulse and a B-scan pulse. At least one stage includes an A-sub-stage for controlling a voltage at an A-set node and a voltage at at least one A-reset node in response to an external A-control signal and generating an A-carry pulse based on the voltage at the A-set node. The voltage at the at least one A-reset node and any one A-clock pulse, at least one B-sub-stage for controlling a voltage at a B-set node and a voltage at at least one B-reset node in response to an external B-control signal and generating a B-carry pulse, and a scan output controller for generating k A-scan pulses and k B-scan pulses and outputting one of the A-scan pulses and one of the B-scan pulses corresponding to each other as one composite pulse.


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