Abstract
With the ever-growing demands for larger size and high resolution displays, Micro-light-emitting diode (Micro-LED) display with quantum dots (QDs) film as color conversion layers (CCLs) has become one of the most promising candidates of future display for its advantages in low power consumption and wide color range. In this study, we report a novel full-color display based on blue Micro LED, which has patterned red and green QDs color conversion (QDCC) layers fabricated by inkjet printing (IJP). A structure of double-layer bank was designed to reduce color deviation, prevent crosstalk, and flatten the QDCC layer. By optimizing the thickness of the red/green QDCC layers and the wavelength of blue Micro LED backlights, a full-color QDCC-LED display with 228 PPI resolution and size of 1.11-inch was successfully fabricated and showed superb performance. We not only effectively reduced crosstalk, but also improved the color conversion efficiency of QDs. In addition, this QDCC-LED display prepared by embedded bonding process shows a color gamut of 107.53% NTSC.Graphical
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