LCD In-Cell Touch

to the implementation of a touch sensor inside the cell of a liquid-crystal display (LCD). While the term and technology have been applied to touch sensors integrated into plasma-display panels, electrophoretic (electronic paper) displays, and OLEDs, this article examines only the application in LCDs. LCD in-cell touch currently exists in three forms, only one of which is physically inside the LCD cell. The three forms are as follows: