HEAD-UP DISPLAY DEVICE
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United States of America Patent
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Jul 12, 2016
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Jul 28, 2015
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Abstract
Provided is a head-up display device which reduces a sense of discomfort imparted to a viewer due to wearing polarized sunglasses. The head-up display device irradiates a front glass with display light containing, at a predetermined ratio, an s-polarized light component and a p-polarized light component associated with a reflective surface of the front glass. The head-up display device is provided with: a display that emits non-polarized light; and a light polarizing member that transmits, of the non-polarized light, the p-polarized light component more than the s-polarized light component such that the p-polarized light component of the display light reflected by the front glass approximates to the p-polarized light component of natural light having passed through the front glass.
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