HEAD-UP DISPLAY GLASS AND HEAD-UP DISPLAY SYSTEM THEREOF
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United States of America Patent
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Issued Date -
Jun 27, 2024
app pub date -
Mar 5, 2024
filing date -
Oct 21, 2021
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Abstract
Head-up display glass is provided. The head-up display glass includes laminated glass that has a first surface and a second surface opposite to the first surface. The second surface includes a display region and a non-display region. A first nano-coating disposed in the display region includes at least one first high-refractive-index layer and at least one first low-refractive-index layer that are alternately stacked. Each first high-refractive-index layer has a refractive index ranging from 1.9 to 2.7. Each first low-refractive-index layer has a refractive index ranging from 1.3 to 1.8. The display region has a reflectivity greater than or equal to 10% for P-polarized light incident at an angle ranging from 55° to 75°. For visible light incident at an angle ranging from 0° to 10°, a reflectivity of the non-display region is less than a reflectivity of the display region. A head-up display system is further provided.
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