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Circularly polarized bulk-heterojunction memory-computing organic light-emitting diodes for a neural radiance field-based 3D display
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DOI：10.1038/s41566-026-01966-4.png)
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Abstract
En 中文
Intelligent three-dimensional displays require both powerful computing capabilities and high display performance, yet these metrics have long been constrained by the inherent trade-off between efficiency and image quality. Here we introduce circularly polarized bulk-heterojunction memory-computing organic light-emitting diodes featuring an integrated memory-processing-display architecture to break this long-standing limitation. The bulk-heterojunction memory-computing organic light-emitting diode incorporates a chiral bulk-heterojunction active layer formed by an achiral emissive polymer and chiral small molecules. Through precise control of the blend composition, we co-engineer supramolecular ordering and carrier dynamics, enabling the in situ modulation of synaptic weights and multilevel conductance states. This effectively transforms organic light-emitting diodes from passive light emitters into an integrated memory-computing-display system with enhanced computing efficiency and polarized emission. The optimized device achieves a peak luminance of 22,306 cd m−2, a high circularly polarized electroluminescence dissymmetry factor of 0.92, together with ultralow energy consumption of 1.78 pJ per spike. Hardware validation using a 64 × 64 device array demonstrates uniform and distinguishable 5-bit conductance distributions, with an energy consumption of 0.046 nJ per device and 17.472 nJ per pixel per computation. We further integrate our bulk-heterojunction memory-computing organic light-emitting diodes into a neural radiance field framework, enabling stereoscopic greyscale three-dimensional scene reconstruction on 100 × 180 arrays. This memory-computing-display integration strategy provides a promising pathway towards intelligent display technologies. Circularly polarized memory-computing organic light-emitting diodes integrate three-dimensional displays with memory and processing capabilities. Optimized devices achieve luminance of over 22,000 cd m−2, dissymmetry factor of 0.92 and energy consumption down to 1.78 pJ per spike, enabling neural radiance field greyscale three-dimensional scene reconstruction.
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