Electronic-ink display panel

An electronic-ink display panel, comprising:

• an active matrix substrate having a plurality of pixel units, wherein each of the pixel units comprises a plurality of sub-pixel units, and each of the sub-pixel units has a storage capacitor and a capacitor, and in one pixel unit, the capacitance of the storage capacitor of at least one of the sub-pixel units is different from those of the storage capacitors of the other sub-pixel units, and the total capacitance of the storage capacitor and the capacitor is the same for each of the sub-pixels, and the matrix substrate further comprises:
• a substrate;
• a plurality of scan lines disposed on the substrate;
• and
• a plurality of data lines disposed on the substrate, wherein the data lines and the scan lines define a plurality of pixel areas on the substrate;
• wherein each of the pixel units comprises:
• a first sub-pixel unit having a first storage capacitor;
• a second sub-pixel unit having a second storage capacitor;
• and
• a third sub-pixel unit having a third storage capacitor, wherein in each of the pixel units, the first sub-pixel unit, the second sub-pixel unit, and the third sub-pixel unit are electrically connected to the same scan line and are separately located in three pixel areas every two of which are adjacent to each other;
• wherein each of the first sub-pixel units has a first active element and a first pixel electrode electrically connected to the first active element;
• and each of the second sub-pixel units has a second active element and a second pixel electrode electrically connected to the second active element;
• and each of the third sub-pixel units has a third active element and a third pixel electrode electrically connected to the third active element;
• a front plane laminate disposed over the active matrix substrate;
• and
• an electronic-ink layer disposed between the active matrix substrate and the front plane laminate, wherein the electronic-ink layer comprises:
• a plurality of first ink material patterns disposed on the first pixel electrodes and positioned out of the storage capacitors;
• a plurality of second ink material patterns disposed on the second pixel electrodes and positioned out of the storage capacitors;
• and
• a plurality of third ink material patterns disposed on the third pixel electrodes and positioned out of the storage capacitors;
• wherein the first ink material patterns, the second ink material patterns and the third ink material patterns respectively comprise charged dyes of different colors to make the capacitances of the capacitors of the sub-pixel units of each of the pixel units different, wherein the relationships among the thickness (d1) of each of the first ink material patterns, the thickness (d2) of each of the second ink material patterns, and the thickness (d3) of each of the third ink material patterns are d1≠d2≠d3.