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Ratiani Levan

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Articles

Colloidal Perovskite Nanocrystals for Blue‐Light‐Emitting Diodes and Displays

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By Yongju Hong, Seung Jin Lee, Sangyeon Jeong, Ratiani Levan
| Wiley Online Library Verified
1 Introduction Over the past 20 years, display technology has undergone significant transformations (Figure 1a). Currently, the display market is dominated by organic light-emitting diodes (OLEDs), demonstrating high efficiencies and long lifetimes. However, OLEDs exhibit low color purities due to broad full width at half maximum (FWHM) values (> 45 nm) of their emission spectra and cover only 65% of the color gamut Rec.
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