Development of ester-based QD ink improves RGB layer uniformity and current efficiencies in QLEDs.
An ester‐based QD ink was developed for printed quantum dot LEDs. The uniformity of printed RGB layers were ≥ 85%, higher than that of reference inks. The corresponding QLEDs also showed improved current efficiencies (R/G/B: 60/150/12 cd/A) and T95@1,000 nit lifetimes (R/G/B: ~25,000/~15,000/~80 h). A 14‐inch prototype display was fabricated to demonstrate the enhanced quality.
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Xie et al. (2025) studied this question.
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