| 摘要 |
The present invention discloses a display device having a gate line and a data line crossing each other on a substrate to define a pixel region, a thin film transistor at each crossing of the gate line and data line, a pixel electrode about a circumference of the pixel region and having an opening at a central portion of the pixel region, the pixel electrode electrically connected to the thin film transistor, a piezoelectric lead lanthanum zirconate titanates (PLZT) layer in the opening of the pixel region, and a piezoelectric lead zirconate titanates (PZT) layer between the pixel electrode and the PLZT layer.
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