Multiple independent holograms form a windshield HUD
Ceres Holographics Ltd. (Livingston, Scotland) has demonstrated a holographic heads-up display (HUD) with multiple, transparent displays in a single windshield.
Each separate display area, measuring up to 400mm by 300mm, contains a specifically programmed holographic optical element (HOE), resulting in the industry’s largest field of view HUD.
Each display can be configured at specific (off-axis) viewing angles within the windshield to show information and content for the intended user only – driver or passenger – without obscuring the view of the road ahead.
The triple configuration transparent display is being demonstrated at meeting in Cologne this week. The display is made using Ceres’ HoloFlekt 1400mm wide roll-to-roll manufacturing machinery. Using an advanced photopolymer film in a proprietary stack for automotive manufacture, the machinery produces each of the prescribed HOEs in a single piece of windshield sized film. The final film is then laminated inside the windshield ready for inclusion in the car. The windshield is then coupled with compact light projection units from third-party suppliers to produce a full colour, wide field-of-view transparent display HUD.
“With our HoloFlekt technology OEMs can transform any windshield into an ultra-bright, full-color and compact multi-display HUD, where safety, operational, navigation and infotainment content can all be shown in a clear and non-distractive manner regardless of external light conditions,” said Andy Travers, CEO of Holographics, in a statement. “Because of the off-axis viewing angles required, the only way to achieve this is with holography,” he added.
The multi-HOE solution is available for implementation in proof of concept (PoC) projects with select OEMs and Tier One suppliers, Ceres said.
The company was founded in 2009 and has developed software-controlled hologram mastering and manufacturing capability enabling novel displays for mass market applications.
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