Touch drive method, touch display device, and electronic equipment

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United States of America Patent

PATENT NO 11379079
APP PUB NO 20210365172A1
SERIAL NO

17270070

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Importance

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Abstract

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A touch drive method, a touch display device, and an electronic equipment are provided. The touch display device includes a display structure and a touch structure stacked with the display structure, a touch scan frequency of the touch structure is different from a display scan frequency of the display structure, and the touch drive method includes: applying a touch scan signal to the touch structure during a process in which the display structure performs progressive scan in respond to a row synchronization signal; a display noise signal is generated during at least one level switching process of the row synchronization signal; and each period of the touch scan signal has a signal rising edge and a signal falling edge, and the signal rising edge and the signal falling edge of each period of the touch scan signal are respectively located outside a noise duration of the display noise signal.

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Patent Owner(s)

  • CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.; BOE TECHNOLOGY GROUP CO. LTD.

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Jang, Kwang Gyun Beijing, CN 8 21
Jiang, Yichen Beijing, CN 12 18
Luo, Hongqiang Beijing, CN 56 75
Zhang, Guiyu Beijing, CN 46 70

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