According to an aspect of the present disclosure, a heads-up display device includes a display unit which outputs a 3D image and at least one holographic optical element which is attached to a windshield of the vehicle to diffract and reflect the 3D image output from the display unit so that a reflection efficiency of the 3D image may be improved while minimizing a module volume.
HEADS-UP DISPLAY DEVICE
2019-06-27
Patent
Electronic Resource
English