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CES 2019 : CEA Tech to exhibit at CES Las Vegas on January 8–11

Development and optimization of electronics devices

PIXCURVE : Lighter and more compact optical systems without compromising image quality.
LOTUS : Richer touch interaction through hyper-localized feedback.

Published on 15 January 2019


Lighter and more compact optical systems without compromising image quality


Pixcurve is an innovative solution for the imaging market. This new technology makes it possible to manufacture optical components that are curved like the human retina.

The result? Fewer lens elements are
required in devices like digital cameras, smartphones, microdisplays, and virtual-reality glasses. With Pixcurve, camera manufacturers can finally get the cost effective, compact, easy-to-assemble optical components they need to bring their products to new levels of performance.

  • Target markets:

• Photography
• Telephony and consumer
• Astronomy
• Defense
• Augmented & virtual
• Industrial control
• Automotive



Richer touch interaction through hyper-localized feedback

In recent years, touch interfaces have multiplied, becoming the new standard for human-machine interaction. However, the narrow range of expression offered by touch interfaces limits the features that these devices can deliver. LOTUS, which stands for LOcalized Tactile Feedback
on smart sUrfaceS, is a novel solution that enhances the user experience with an interactive touch surface that is both tactile and haptic. Previous touch interfaces—if they were able to detect the positions of several fingers—could only provide haptic feedback in the form of vibration over the entire surface.

The technology developed by researchers at List, a CEA Tech Institute,
offers two advantages: It makes it possible to detect the position
of multiple fingers and the pressure exerted by each of them; and it also
delivers individual haptic feedback to each finger. Coupled with a visual
interface, Lotus enables the user to interact with digital content and offers
unparalleled tactile rendering of texture and relief. This haptic-feedback
technology leverages piezoelectric transducers that control vibration,
enabling rich, realistic, and detailed multi-user interaction.

  • Target markets:

• Consumer electronics
• Telecoms
• Transportation
• Human-machine interfaces