Head-up Display
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United States of America Patent
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app pub date -
Sep 12, 2016
filing date -
Feb 24, 2016
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Abstract
A head-up display includes a laser projector, a diffuser, an image combiner, and a light shield. The laser projector emits an image beam. The diffuser has a reflection surface for receiving and diffusely reflecting the image beam emitted from the laser projector. The image combiner receives the image beam reflected from the diffuser to form a virtual image whereby a user sees the virtual image and a real-world environment at the same side of the virtual image through the image combiner. The light shield includes a grating structure disposed on the reflection surface of the diffuser.
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