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Patent Searching and Data


Title:
STATIC ELECTRICITY PROTECTION CIRCUIT, CIRCUIT BOARD AND STATIC ELECTRICITY PROTECTION METHOD
Document Type and Number:
WIPO Patent Application WO/2018/177238
Kind Code:
A1
Abstract:
Disclosed are a static electricity protection circuit, a circuit board and a static electricity protection method. The static electricity protection circuit comprises a first relay (101) and a second relay (102), wherein control ends of the first relay and the second relay are respectively connected to a power supply (104) of a system circuit (103); the first relay and the second relay are connected in series between the system circuit and a grounding end (105) to form an electric charge release passage; and the first relay switches, when the system circuit is powered off, from an open-circuit state to a short-circuit state, and the electric charge release passage is in a conducting state after the first relay switches to the short-circuit state, so as to release electrostatic charges in the system circuit.

Inventors:
LI PENGTAO (CN)
LIU YING (CN)
YU YANGBING (CN)
YU JIE (CN)
TAN QIN (CN)
Application Number:
CN2018/080449
Publication Date:
October 04, 2018
Filing Date:
March 26, 2018
Export Citation:
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Assignee:
BOE TECHNOLOGY GROUP CO LTD (CN)
BEIJING BOE OPTOELECTRONICS TECH CO LTD (CN)
International Classes:
H02H9/04
Foreign References:
CN106849036A2017-06-13
CN104836217A2015-08-12
CN102263408A2011-11-30
CN101839931A2010-09-22
US20090067106A12009-03-12
Attorney, Agent or Firm:
ZHONGZI LAW OFFICE (CN)
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