Abstract
In addition to brightness, high resolution and color quality, high‐end displays should also be energy efficient. This challenging combination can be achieved using in‐pixel color conversion schemes, where blue light from an inorganic LED is directly converted into red or green at the pixel level. Perovskite nanocrystals are ideal candidates for such architectures due to their excellent light absorption and emission properties. In this contribution, we show that the very narrow emission spectra of perovskites not only lead to extremely wide color gamut, but can also generate a substantial boost in brightness, and thus energy efficiency. We then present recent developments of green and red photoresists based on Helio's core materials, that are compatible with standard industrial processing conditions. These materials are suitable for most established and emergent display architectures, including µLED and QD‐OLED.
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