发明名称 Glass composite for eyesight protection
摘要 <p>Glass composite includes, from the eye outwards, first, yellow colored, optically polished mineral glass (3) comprising high pass filter with cut-off wavelength 480 nm, polarizing film (4) to attenuate light rays reflected upwards from the ground, and second, colorless, optically polished mineral glass (5). Thin, light-absorbing layer (7) is deposited on the free surface of first glass (3). The first and second faces of the polarizing film (4) are adhered by adhesive (6) to the first glass (3) and second (5) glass, respectively. The light-absorbing layer (7) is a high pass filter, and is obtained by vapor phase deposition of a dielectric-metal system, where the dielectric is selected from an oxide such as silicon or titanium oxide. An antireflection layer (8) can be applied on the light-absorbing layer (7), and is obtained by vapor phase deposition of a material having low refractive index and that does not absorb visible light. Antireflective material for the antireflective layer (8) comprises silicon mono-oxides or dioxides or magnesium fluoride. The second glass has a mirror-type strip (9) on its exterior surface. The coefficient of reflection of the strip is a minimum at the top and at the base of the strip (9). The strip (9) is obtained by vapor phase deposition of a thin layer (1-10 nm) of metal selected from chromium, gold, silver, silver-plated chromium, 'bluish' chromium or chromium gold. An Independent claim is given for a pair of glasses that include the above glass composite.</p>
申请公布号 EP1094354(A1) 申请公布日期 2001.04.25
申请号 EP20000402887 申请日期 2000.10.18
申请人 SPOROPTIC POUILLOUX S.A. 发明人 HATCHIGUIAN, JOSEPH
分类号 G02C7/10;C03C17/09;C03C17/34;C03C27/12;G02B1/10;G02C7/12;(IPC1-7):G02C7/10 主分类号 G02C7/10
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