Invention Grant
- Patent Title: Gate driving circuit and display apparatus having the same
- Patent Title (中): 栅极驱动电路及其显示装置
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Application No.: US13083295Application Date: 2011-04-08
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Publication No.: US09148148B2Publication Date: 2015-09-29
- Inventor: Kyung-Ho Park , Si-Hyun Ahn , Dong-Hee Shin , Hyung-Jun Park , So-Young Kim , Soo-Hyun Kim
- Applicant: Kyung-Ho Park , Si-Hyun Ahn , Dong-Hee Shin , Hyung-Jun Park , So-Young Kim , Soo-Hyun Kim
- Applicant Address: KR Yongin
- Assignee: Samsung Display Co., Ltd.
- Current Assignee: Samsung Display Co., Ltd.
- Current Assignee Address: KR Yongin
- Agency: H.C. Park & Associates, PLC
- Priority: KR10-2010-0105934 20101028
- Main IPC: G09G3/00
- IPC: G09G3/00 ; H03K19/0185 ; G09G3/36

Abstract:
Provided is a gate driving circuit including cascade-connected stages that output gate signals. An n-th one of the stages (“n” is a natural number) includes a pull-up part, a pull-up controller, a first pull-down part, a second pull-down part, and a pull-down controller. The pull-up part outputs a first clock signal as an output signal of the n-th stage. The pull-up controller selectively applies first and second powers to a control electrode of the pull-up part. The first pull-down part pulls down a voltage applied to the control electrode of the pull-up part to an off voltage. The second pull-down part pulls down a voltage applied to an output electrode of the pull-up part to the off voltage. The pull-down controller selectively applies the first and second powers to control electrodes of the first and second pull-down parts.
Public/Granted literature
- US20120105398A1 GATE DRIVING CIRCUIT AND DISPLAY APPARATUS HAVING THE SAME Public/Granted day:2012-05-03
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