内滚筒采用方形冲孔，加大开口率，提高烘干效率。
The drum with a square punch, increase the aperture ratio, increase drying efficiency.
因此可通过降低电极之间的介电层厚度，同时增加储存电容的电容率以及像素的开口率。
It can reduce the thickness of the dielectric layer between the electrodes and synchronously increases capacitivity of storage capacitance and aperture ratio of pixel.
利用光敏高分子薄膜层实现了ITO象素电极和数据线之间的重迭，得到了更高的开口率。
The high aperture ratio is achieved by overlapping ITO pixel electrode and bus line using a photo_sensitive polymer.
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