| 摘要 |
A switchable touch display device comprises at least one pixel unit and one controlling module. The pixel unit comprises first and second substrate disposed in parallel, a spacer, a common electrode and a data line. The spacer is disposed in the pixel unit and on the first substrate, and a gap formed between the first spacer and the second substrate. The common electrode is disposed on the first substrate and the spacer. The data line is disposed on the second substrate and part of it is disposed right under the spacer. The controlling module switches the pixel unit between a display mode and a touch mode. The controlling module controls the pixel unit to present with a predetermined luminance in the display module, and determine whether the spacer be pressed by external force to electrically contact common electrode and data line in the touch mode.
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