Title:
SCAN DRIVE CIRCUIT AND DISPLAY APPARATUS
Document Type and Number:
WIPO Patent Application WO/2019/006830
Kind Code:
A1
Abstract:
Disclosed are a scan drive circuit and a display apparatus. The scan drive circuit comprises a scan signal output end (G(n)), a pull-up circuit (10) for controlling the scan signal output end (G(n)) so same outputs a high level, a downlink circuit (20) for outputting a signal (ST(n)) transmitted in the current stage, a pull-up control circuit (30) for charging a pull-up control signal point (Q(n)), a pull-down holding circuit (40) for holding low levels of the pull-up control signal point (Q(n)) and the scanning signal output end (G(n)) and releasing a high potential of the pull-up control signal point (Q(n)), a bootstrap circuit (60) for elevating a potential of the pull-up control signal point (Q(n)), and a pull-down circuit (50) for controlling the scan signal output end (G(n)) so same outputs a low level, thereby solving the problem of a heavy current generated when the display apparatus is switched on or switched off.
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Inventors:
SHI LONGQIANG (CN)
Application Number:
PCT/CN2017/097991
Publication Date:
January 10, 2019
Filing Date:
August 18, 2017
Export Citation:
Assignee:
SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECH CO LTD (CN)
International Classes:
G09G3/20
Foreign References:
| CN106057157A | 2016-10-26 | |||
| CN106128401A | 2016-11-16 | |||
| CN104851403A | 2015-08-19 | |||
| CN103928005A | 2014-07-16 | |||
| CN104882108A | 2015-09-02 | |||
| US20150171833A1 | 2015-06-18 |
Attorney, Agent or Firm:
CHINA WISPRO INTELLECTUAL PROPERTY LLP. (CN)
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