In April, researchers already demonstrated a perovskite-based display capable of touch. In the new study, they created a display with twice the pixel density, reaching 90 PPI. Perovskite not only emits light, but also absorbs it, allowing the displays to act as sensors.
Smartphones with perovskite light-emitting diode (PeLED) displays will be able to recognize touch, fingerprints, and even light, eliminating the need for additional components. Although current pixel density is still lower than modern smartphones, the technology exhibits good touch capabilities and promises longer life and energy savings.
Source: Ferra
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