Technology Expert Shanghai Tianma Microelectronics Shanghai, China (People's Republic)
Designs of self-capacitance “on-cell” touch panel were implemented in a 6.2inch foldable OLED panel with single-layered sensor pattern. The test results showed that the self-capacitance “on-cell” touch panel has high sensitivity even with TFTs connected in serial of the sensor channels. Weaker retransmission effect was also found compared with its mutual-capacitance counterpart. The self-capacitance touch panel has shown great potential of application in future OLED display products.
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