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5 March 2021 Transparent cube corner array manufacturing process for head-up display applications
Christophe Martinez, Yann Lee, Frederic Sermet, Marianne Consonni, Bernard Aventurier
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Proceedings Volume 11708, Advances in Display Technologies XI; 1170807 (2021) https://doi.org/10.1117/12.2578270
Event: SPIE OPTO, 2021, Online Only
Abstract
We introduce an original approach for an extended Head Up Display solution. This configuration is based on the projection of images directly on the windshield of a vehicle, allowing the display of various information around the user viewing axis, as a peripheral dashboard. We highlight that this solution is only effective if we can manage both directivity and diffusivity of the reflected light. We introduce for that purpose two technological options. A pragmatic one allows us to evaluate at short term the HUD behavior. Another proposes an original approach with a manufacturing process based on the etching of a deep cube corner cavity in a composite silicon wafer that incorporates a diffuser surface. We demonstrate both technological options and give some perspectives for future works.
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Christophe Martinez, Yann Lee, Frederic Sermet, Marianne Consonni, and Bernard Aventurier "Transparent cube corner array manufacturing process for head-up display applications", Proc. SPIE 11708, Advances in Display Technologies XI, 1170807 (5 March 2021); https://doi.org/10.1117/12.2578270
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KEYWORDS
Heads up displays
Array processing
Manufacturing
Design for manufacturability
Head
Optics manufacturing
Silicon
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