Head-up display device
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United States of America Patent
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Jun 4, 2019
Grant Date -
Feb 16, 2017
app pub date -
May 9, 2014
filing date -
May 9, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
A head-up display device that displays information including a video in a part of a field of view of an operator (407) includes a video display device (420) that is arranged at a position deviated from the field of view of the operator and generates and projects video light for projecting the information and a transparent screen (410) that is arranged in a part of the field of view of the operator, and transmit light from the field of view and reflects projection light from the video display device in a direction of the operator. A solid-state light source device (421) that reflects and mixes light emitted from a plurality of light-emitting cells (40) and emits the light obtained by the mixing in a predetermined direction is used as a light source constituting the video display device.
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