Touch display device and driving method thereof

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United States of America

PATENT NO 10983621
APP PUB NO 20200341574A1
SERIAL NO

16640986

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Abstract

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A touch display device and a driving method thereof are provided. A driving signal line configured to drive light emitting unit to emit light is multiplexed as a detection electrode. Moreover, the capacitance is formed between the detection electrode and a transparent conductive layer, the capacitance can be changed according to a change in touch force, so that when a position of the detection electrode is pressed, a distance between the detection electrode and the transparent conductive layer changes, and the capacitance between the detection electrode and the transparent conductive layer changes accordingly. In this way, a magnitude of the force at a touch position can be determined by a change in a capacitance value between the detection electrode and the transparent conductive layer, so that a force touch function can be realized.

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Patent Owner(s)

Patent OwnerAddress
BOE TECHNOLOGY GROUP CO LTD100015 NO 10 JIUXIANQIAO ROAD BEIJING CHAOYANG DISTRICT MUNICIPAL DISTRICT BEIJING CITY 100015
HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO LTD230012 HEFEI NEW DISTRICT TONGLING NORTH ROAD NO 2177 NO HE FEISHI AN HUISHENG 230012

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Liu, Tongmin Beijing, CN 16 20
Sha, Jin Beijing, CN 14 13
Xu, Jun Beijing, CN 1004 7793
Zhang, Dayu Beijing, CN 35 54

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