Transparent LED head-up display

摘要

Described herein is a transparent-display device for motor vehicles, to be used for presentation of information to the driver and/or to the passengers, said device comprising a plurality of LED sources (2), addressable individually or in groups through a series of conductive paths (30), deposited on a transparent underlayer (1) and connected to a control electronics, in which: i) said LED sources (2) are integrated in the form of dice, i.e., of elements obtained by dividing up a semiconductor wafer and without package; ii) said dice are integrated on, and electrically connected to, said underlayer via technologies of the chip-on-board (COB) type; and iii) said transparent underlayer 1 is pre-arranged for being at least in part superimposed on the windscreen (40) of the vehicle, in such a way that at least part of the information (60) presented to the user is superimposed on the background (50), said background (50) being visible to the user through said windscreen (40).