Novel displays have been developed using the effect of moving a droplet by electrowetting. This approach enables bistable and reflective monochrome and color displays which could also be made on plastic substrates. Prototypes show promising performance in terms of contrast ratio, gray scale, and color.
Camera Monitor Systems (CMSs), for example, for backup cameras or mirror replacements, become increasingly important and already cover safety aspects such as guaranteed latency and no frame freeze. Today's approaches deal only with supervision of the digital interface, LCD backlight, and power supply. This paper introduces methods for advanced safety monitoring of panel electronics and optical display output that aim to enable future CMS based automotive use cases. Our methods are based on correlation of physical measurements with predicted values derived from a corresponding display model. This model was made via calibration measurements and many test patterns. Correlation of the monitoring results with predicted values corresponds to the probability that the RGB data are shown as intended. This implies that an overlying system, an Automotive Safety Integrity Level (ASIL) Prepared Video Safety System (APVSS), ensures that only safety verified RGB data are provided to the panel electronics. In case of failures, our methods enable a safe system state, for example, by deactivating the panel. An additional challenge is to allow graceful degradations, a safe but slightly degraded image may provide a better customer experience compared with no information. We successfully verified our approach by a fully functional prototype and extensive evaluation towards "light-to-light" (camera to display output) supervision.
Today's packaging for pharmaceutics provides no information about individual medicine intake neither remind when forgotten or alert when medicine runs empty. We developed three smart packages for those examples with graphics e-paper driven by a microcontroller with Bluetooth LE and a smartphone app. The evaluation with subjects was very positive.
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