OPTICAL GLASS, LIGHT GUIDE PLATE, IMAGE DISPLAY DEVICE AND OPTICAL ELEMENT
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Oct 3, 2024
app pub date -
Mar 28, 2024
filing date -
Mar 31, 2023
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The optical glass has a wavelength λ5, which provides a spectral transmittance of 5% for a thickness of 10 mm, of more than 370 nm and less than 410 nm, a difference (λ70−λ5) between a wavelength λ70, which provides a spectral transmittance of 70% for a thickness of 10 mm, and λ5, of 70 nm or less, and a refractive index nd of 2.00000 or more.
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