In-cell touch screen panel, driving method thereof, and display device

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United States of America Patent

PATENT NO 10175808
APP PUB NO 20170177139A1
SERIAL NO

15038193

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Abstract

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An in-cell touch screen panel, a driving method thereof and a display device. A plurality of sub-pixels are grouped into sub-pixel groups, each of which includes at least two sub-pixels, and cathode layers of different sub-pixel groups are independent of one another. The cathode layers are reused as self-capacitance electrodes, and a driving chip determines a touch position by detecting a change in capacitance of the cathode layer, thereby achieving touch control functionality. The driving chip outputs, in a fourth phase, signals to respective cathode layers and signal terminals of each sub-pixel circuit, each of the signals is a superposition of the signal output in a third phase with a touch scanning signal.

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Patent Owner(s)

Patent OwnerAddress
BOE TECHNOLOGY GROUP CO LTDNO 10 JIUXIANQIAO RD CHAOYANG DISTRICT BEIJING 100015
BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO LTDNO 8 XIHUANZHONGLU BDA BEIJING 100176

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chen, Xiaochuan Beijing, CN 829 2602
Dong, Xue Beijing, CN 931 4590
Liu, Hongjuan Beijing, CN 103 972
Ma, Lifei Beijing, CN 10 55
Sun, Tuo Beijing, CN 86 383
Sun, Wen Beijing, CN 156 996
Wang, Haisheng Beijing, CN 694 7057
Wang, Lei Beijing, CN 2386 21419
Xu, Rui Beijing, CN 425 2031
Xue, Hailin Beijing, CN 137 822
Yang, Shengji Beijing, CN 548 3173

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