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HEAD-UP DISPLAY DEVICE AND DISPLAY UNIT

  • US 20150015962A1
  • Filed: 07/08/2014
  • Published: 01/15/2015
  • Est. Priority Date: 07/10/2013
  • Status: Active Grant
First Claim
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1. A head-up display device mounted on a vehicle for use, comprising:

  • a projector configured to project display light including a display image onto a reflecting plate; and

    a first light source and a second light source configured to project emitted light onto the reflecting plate, whereinthe display light from the projector is reflected by the reflecting plate in a viewing direction to define a first display area on the reflecting plate,the emitted light from the first light source is reflected by the reflecting plate in the viewing direction to display a first guiding light in a position adjacent to the first display area on the reflecting plate,the emitted light from the second light source is reflected by the reflecting plate in the viewing direction to display a second guiding light outside the first guiding light on the reflecting plate, andan optical path length from the reflecting plate to the projector, an optical path length from the reflecting plate to the first light source, and an optical path length from the reflecting plate to the second light source in the viewing direction are larger in this order.

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