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    • 1. 发明申请
    • Optical element for use in eye protection devices and methods for its manufacture
    • 用于眼睛保护装置的光学元件及其制造方法
    • US20060114573A1
    • 2006-06-01
    • US11090540
    • 2005-03-25
    • Giuseppe IoriGraziano MarusiPaolo Baiocchi
    • Giuseppe IoriGraziano MarusiPaolo Baiocchi
    • G02B25/00
    • G02B5/3033G02C7/104G02C7/108G02C7/12
    • An optical element is described comprising an optical part dyed so as to have a curve of the factor of spectral transmittance in a wavelength range comprised between 400 and 700 nm comprising: i) at least one relative maximum at a wavelength comprised between 400 and 510 nm, and ii) at least one relative minimum at a wavelength comprised between 510 and 625 nm, wherein the ratio between the value of the factor of spectral transmittance at said at least one relative maximum and the value of the factor of spectral transmittance at said at least one relative minimum is of at least 1.3, and wherein the ratio between the value of the factor of spectral transmittance at a wavelength of 700 nm and the value of the factor of spectral transmittance at said at least one relative minimum is of at least 3.0. Advantageously, such an optical element allows to enhance visual acuity, increasing in particular the chromatic contrast and the sensitivity to the red and blue colors, and to meet the traffic lights and road signal recognition requirements indicated by the international standards.
    • 描述了一种光学元件,其包括染色的光学部件,以便在包括400和700nm的波长范围内具有光谱透射率因子的曲线,包括:i)在400和510nm之间的波长处的至少一个相对最大值 和ii)在510和625nm之间的波长处的至少一个相对最小值,其中在所述至少一个相对最大值处的光谱透射率的值与所述至少一个相对最大值处的光谱透射率因子之间的比值 至少一个相对最小值至少为1.3,并且其中波长为700nm处的光谱透射率的值与所述至少一个相对最小值处的光谱透射率的值之间的比值至少为3.0 。 有利地,这种光学元件允许增强视敏度,特别是增加色度对比度和对红色和蓝色颜色的敏感性,并且满足国际标准所示的交通信号灯和道路信号识别要求。
    • 2. 发明申请
    • Polarized optical elements enhancing color contrast and methods for their manufacture
    • 增强色彩对比度的偏振光学元件及其制造方法
    • US20060033851A1
    • 2006-02-16
    • US11090505
    • 2005-03-25
    • Giuseppe IoriGraziano MarusiPaolo BaiocchiJames Pritts
    • Giuseppe IoriGraziano MarusiPaolo BaiocchiJames Pritts
    • G02F1/1335
    • G02B5/3033G02C7/104G02C7/108G02C7/12
    • A polarized optical element comprising a polarized optical part is dyed so that the optical part exhibits a curve of spectral transmittance in a wavelength range comprised between 400 and 700 nm comprising: i) at least one relative maximum at a wavelength comprised between 400 and 510 nm, and ii) at least one relative minimum at a wavelength comprised between 510 to 625 nm, wherein the ratio between the value of the factor of spectral transmittance at said at least one relative maximum and the value of the factor of spectral transmittance at said at least one relative minimum is of at least 1.3, and wherein the ratio between the value of the factor of spectral transmittance at a wavelength of 700 nm and the value of the factor of spectral transmittance at said at least one relative minimum is of at least 3.0. Advantageously, such a polarized optical element is both polarized to reduce glare and provides the wearer with enhanced visual acuity, especially an increased sensitivity to the red and blue colors so as to meet the color and traffic signal recognition requirements of the international standards.
    • 包括偏振光学部件的偏振光学元件被染色,使得光学部件在包括400和700nm的波长范围内呈现光谱透射率的曲线,包括:i)在400和510nm之间的波长处的至少一个相对最大值 和ii)在510至625nm之间的波长处的至少一个相对最小值,其中所述至少一个相对最大值处的光谱透射率的值与所述至少一个相对最大值处的光谱透射系数的值之间的比率 至少一个相对最小值至少为1.3,并且其中波长为700nm处的光谱透射率的值与所述至少一个相对最小值处的光谱透射率的值之间的比值至少为3.0 。 有利地,这种偏振光学元件被极化以减少眩光,并且为佩戴者提供增强的视力,特别是对红色和蓝色的增加的灵敏度,以便满足国际标准的颜色和交通信号识别要求。
    • 3. 发明授权
    • Optical element for use in eye-protecting devices
    • 用于眼睛保护装置的光学元件
    • US5975695A
    • 1999-11-02
    • US927017
    • 1997-09-10
    • Paolo BaiocchiGiuseppe IoriGraziano Marusi
    • Paolo BaiocchiGiuseppe IoriGraziano Marusi
    • G02C7/10
    • G02C7/105
    • An optical element is disclosed comprising an upper portion (9) and a lower portion (8) defined in opposite parts with respect to a median line (x--x) passing through the geometric center (C.sub.1, C.sub.2) of the optical element, wherein the factor of luminous transmittance is between 30% and 80% in the lower portion (8) and between 3% and 40% in the upper portion (9). Advantageously, furthermore, the curve of spectral transmittance as a function of the wavelength in the lower portion (8) and at a distance of at least 10 mm from the median line (x--x) is such as to show: a minimum in a wavelength range of from 495 to 510 nm, ii) an increase in spectral transmittance at wavelengths lower than 495 nm and higher than 510 nm, iii) a maximum at a wavelength lower than 440 nm, iv) a reduction in the spectral transmittance as the wavelength decreases starting from said maximum.
    • 公开了一种光学元件,其包括相对于穿过光学元件的几何中心(C1,C2)的中线(xx)相对部分限定的上部(9)和下部(8),其中所述因子 的透光率在下部(8)为30%〜80%,上部(9)为3%〜40%。 此外,有利地,作为下部(8)中的波长并且与中线(xx)至少10mm的距离的函数的光谱透射率的曲线如下所示:波长范围中的最小值 为495nm至510nm,ii)在低于495nm且高于510nm的波长下的光谱透射率增加,iii)波长低于440nm的最大值,iv)波长降低时光谱透射率的降低 从最大值开始。
    • 4. 发明授权
    • Polarized optical element having differentiated transmittance properties for use in eye-protecting devices
    • 具有不同透光性的极化光学元件用于眼睛保护装置
    • US07506976B2
    • 2009-03-24
    • US11450797
    • 2006-06-08
    • Paolo BaiocchiGraziano MarusiFederico Menta
    • Paolo BaiocchiGraziano MarusiFederico Menta
    • G02C7/10
    • G02C7/12
    • A polarized optical element is disclosed comprising an upper portion and a lower portion defined at opposite parts with respect to a median line passing through the geometric center of the optical element, wherein: a) in the upper portion and at a distance of at least 10 mm from the median line the factor of luminous transmittance is between 3% and 20%; b) in the lower portion and at a distance of at least 10 mm from the median line the factor of luminous transmittance is between 15% and 65%; c) the ratio of the luminous transmittance measured in the lower portion at a distance of at least 10 mm below the median line and the luminous transmittance measured in the upper portion at a distance of at least 10 mm above the median line is not lower than 1.5; d) the colors of the upper and lower portions of the optical element are such that: d1) the absolute value of the difference between the value of the colorimetric coordinate a* of the upper portion measured at a point located 10 mm above the median line and the value of the colorimetric coordinate a* of the lower portion measured at a point located 10 mm below the median line is comprised between 0 and 60, d2) the absolute value of the difference between the value of the colorimetric coordinate b* of the upper portion measured at a point located 10 mm above the median line and the value of the colorimetric coordinate b* of the lower portion measured at a point located 10 mm below the median line is comprised between 0 and 60, e) the degree of polarization of the optical element is uniform both along a vertical and along a horizontal direction and is equal to at least 45% as measured according to European Standard EN 1836.
    • 公开了一种偏振光学元件,其包括相对于穿过光学元件的几何中心的中线在相对部分限定的上部和下部,其中:a)在上部和至少10的距离处 mm,距中线的透光率在3%〜20%之间; b)在距离中线至少10mm的下部和距离中,透光率为15%至65%之间; c)在中线下方至少10mm以下的距离处测量的下部的透光率与在中线上方至少10mm的距离上部测量的透光率的比率不低于 1.5; d)光学元件的上部和下部的颜色使得:d1)在位于中线上方10mm的点处测量的上部的比色坐标a *的值之间的差的绝对值 并且在位于中线下方10mm的点处测量的下部的比色坐标a *的值包括在0和60之间,d2)比色坐标b *的值之间的差的绝对值 在位于中线上方10mm的点处测量的上部和在位于中线下方10mm的点处测量的下部的比色坐标b *的值包括在0和60之间,e)极化度 的光学元件沿着垂直方向和水平方向是均匀的,并且等于根据欧洲标准EN 1836测量的至少45%。
    • 5. 发明申请
    • Polarized optical element having differentiated transmittance properties for use in eye-protecting devices
    • 具有不同透光性的极化光学元件用于眼睛保护装置
    • US20070008485A1
    • 2007-01-11
    • US11450797
    • 2006-06-08
    • Paolo BaiocchiGraziano MarusiFederico Menta
    • Paolo BaiocchiGraziano MarusiFederico Menta
    • G02C7/10
    • G02C7/12
    • A polarized optical element is disclosed comprising an upper portion and a lower portion defined at opposite parts with respect to a median line passing through the geometric center of the optical element, wherein: a) in the upper portion and at a distance of at least 10 mm from the median line the factor of luminous transmittance is between 3% and 20%; b) in the lower portion and at a distance of at least 10 mm from the median line the factor of luminous transmittance is between 15% and 65%; c) the ratio of the luminous transmittance measured in the lower portion at a distance of at least 10 mm below the median line and the luminous transmittance measured in the upper portion at a distance of at least 10 mm above the median line is not lower than 1.5; d) the colors of the upper and lower portions of the optical element are such that: d1) the absolute value of the difference between the value of the colorimetric coordinate a* of the upper portion measured at a point located 10 mm above the median line and the value of the colorimetric coordinate a* of the lower portion measured at a point located 10 mm below the median line is comprised between 0 and 60, d2) the absolute value of the difference between the value of the colorimetric coordinate b* of the upper portion measured at a point located 10 mm above the median line and the value of the colorimetric coordinate b* of the lower portion measured at a point located 10 mm below the median line is comprised between 0 and 60, e) the degree of polarization of the optical element is uniform both along a vertical and along a horizontal direction and is equal to at least 45% as measured according to European Standard EN 1836.
    • 公开了一种偏振光学元件,其包括相对于穿过光学元件的几何中心的中线在相对部分限定的上部和下部,其中:a)在上部和至少10的距离处 mm,距中线的透光率在3%〜20%之间; b)在距离中线至少10mm的下部和距离中,透光率为15%至65%之间; c)在中线下方至少10mm以下的距离处测量的下部的透光率与在中线上方至少10mm的距离上部测量的透光率的比率不低于 1.5; d)光学元件的上部和下部的颜色使得:d1)在位于中线上方10mm的点处测量的上部的比色坐标a *的值之间的差的绝对值 并且在位于中线下方10mm的点处测量的下部的比色坐标a *的值包括在0和60之间,d2)比色坐标b *的值之间的差的绝对值 在位于中线上方10mm的点处测量的上部和在位于中线下方10mm的点处测量的下部的比色坐标b *的值包括在0和60之间,e)极化度 的光学元件沿着垂直方向和水平方向是均匀的,并且等于根据欧洲标准EN 1836测量的至少45%。