Display module with touch function
AssigneeWisechip Semiconductor Inc.
InventorsYou Hong Jhang, Shih Hong Jhang
Life of this patent
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Abstract
The present invention provides a display module with touch function, including: a touch display panel and a control chip. The touch display panel contains a display area and non-display area around the display area. The display area contains a first sensing electrode constituted by a pixel electrode layer. The non-display area contains two second sensing electrodes. The control chip electrically connects with the first sensing electrode and the two second sensing electrodes separately through wires. The first sensing electrode and the second sensing electrode are self-capacitance sensing electrode. The control chip is used to read the self-capacitance variation of the first sensing electrode and the two second sensing electrodes for outputting a touch signal.
Claims11
A display module with touch function, comprising:
- a touch display panel, including:
- a display area, having a passive matrix organic light emitting diode display device, the passive matrix organic light emitting diode display device including a first pixel electrode layer, a second pixel electrode layer and an organic light emitting material layer disposed between the first pixel electrode layer and the second pixel electrode layer, wherein one of the first pixel electrode layer and the second pixel electrode layer is served as at least one first sensing electrode;
- and
- a non-display area, surrounding the display area, having at least two second sensing electrodes;
- and
- a control chip, the control chip is provided for electrically connecting to the passive matrix organic light emitting diode display device and the at least two second sensing electrodes through conductive wires respectively,
- wherein the at least one first sensing electrode and the at least two second sensing electrodes are self-capacitance sensing electrodes, and the control chip is used to read the variation of the self-capacitances of the at least one first sensing electrode and the at least two second sensing electrodes respectively for outputting a touch signal.
Dependencies are inferred from the claim text.