2023
DOI: 10.1088/1361-6439/accc3b
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Visually clear diffusive light panel with embedded semi-reflective rough-surface planar outcouplers

Abstract: We present a visually transparent light panel that passively emits diffused light. The panel is a light guide with semi-reflective thin-film blades buried in the panel acting as outcouplers. The semi-reflective blades can be tilted relative to the light panel surface and have a rough surface texture to scatter the light incident upon them while the transmitted light retains its incident angle. We show that the texturization of the blades can be done following a simple photolithographic process involving a poly… Show more

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