Device for displaying measuring values, has display element, housing and automatic view screen, where view screen has electrochromic element, panel, inverse working liquid crystal display and screen film

摘要

The device (10) has a display element (20), a housing (30) and an automatic view screen (40). The view screen has an electrochromic element (41), a panel, an inverse working liquid crystal display and a screen film. The device has an illuminating medium. The panel has an iris diaphragm. The automatic view screen is activated by potential drop, voltage fluctuations or voltage breakdown. An independent claim is included for a method for blocking the view on the display unit.