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公开(公告)号:US20190391307A1
公开(公告)日:2019-12-26
申请号:US16071720
申请日:2017-01-20
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor: John A. WHEATLEY , Guanglei DU , David T. YUST , Neeraj SHARMA , Gilles J. BENOIT , Ellison G. KAWAKAMI , Anthony M. RENSTROM
IPC: G02B5/20
Abstract: An article includes an optical filter that comprises a wavelength selective reflective layer and at least one wavelength selective absorbing layer. The optical filter has visible transmittance between 400 nm-700 nm of less than about 30% and near infrared transmittance at 830 nm-900 nm greater than about 30%.
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公开(公告)号:US20160195650A1
公开(公告)日:2016-07-07
申请号:US14651142
申请日:2013-12-11
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor: William W. MERRILL , David T. YUST , Patrick M. CRAIN , Neeraj SHARMA , Jung-Sheng WU
CPC classification number: G02B5/208 , G02B5/0284 , G02B5/12 , G02B5/201 , G02B5/223 , G02B5/285 , G06K7/12 , G06K7/1447 , G06K19/06103 , G06K19/0614 , G09F3/0294 , G09F3/0297 , G09F3/10 , G09F13/16 , H04N5/2256
Abstract: A dispersion, a resin containing the dispersion and polymer film formed from the resin are disclosed. The dispersion includes an infrared light absorbing pigment including organo-metallic particles being less than 1.5 micrometer or less than one micrometer in size. The dispersion also includes a dispersant including phosphorus and a polyol.
Abstract translation: 公开了一种分散体,含有由树脂形成的分散体和聚合物膜的树脂。 该分散体包括包含小于1.5微米或小于1微米尺寸的有机金属颗粒的红外光吸收颜料。 分散体还包括含磷和多元醇的分散剂。
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公开(公告)号:US20150317923A1
公开(公告)日:2015-11-05
申请号:US14651300
申请日:2013-12-11
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor: William F. EDMONDS , Nathaniel K. NAISMITH , Martin B. WOLK , Michael Benton FREE , William W. MERRILL , David T. YUST , John F. VAN DERLOFSKE, III , Jun XIAO , Albert T. SCHMITZ
CPC classification number: G02B5/208 , G02B5/0284 , G02B5/12 , G02B5/201 , G02B5/223 , G02B5/285 , G06K7/12 , G06K7/1447 , G06K19/06103 , G06K19/0614 , G09F3/0294 , G09F3/0297 , G09F3/10 , G09F13/16 , H04N5/2256
Abstract: Tags are made from optical films to provide a pattern that is inconspicuous to ordinary observers, but that is detectable by a camera or other imaging device. The pattern is provided by first and second portions of a patterned layer, the first portions selectively filtering at least a portion of blue visible light from other visible light wavelengths. Filtering in the portion of the blue region helps make the pattern inconspicuous. The tags may also include an indicia layer configured to mark a location of the pattern, and a contrast enhancing layer disposed behind the patterned layer and configured to enhance a contrast of the pattern. In some cases, the first portions of the patterned layer may filter optical wavelengths other than blue, such as near-infrared light. The pattern may comprise machine-readable information, e.g., a linear bar code or a 2-D bar code. Associated methods and systems are also disclosed.
Abstract translation: 标签由光学膜制成,以提供与普通观察者不相似的图案,但是可通过相机或其他成像装置检测。 该图案由图案化层的第一和第二部分提供,第一部分选择性地从其它可见光波长过滤至少一部分蓝色可见光。 在蓝色区域的部分过滤有助于使图案不显眼。 标签还可以包括被配置为标记图案的位置的标记层和设置在图案化层后面并且被配置为增强图案的对比度的对比度增强层。 在一些情况下,图案化层的第一部分可以滤除蓝色以外的光波长,例如近红外光。 该图案可以包括机器可读信息,例如线性条形码或2-D条形码。 还公开了相关的方法和系统。
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公开(公告)号:US20180196176A1
公开(公告)日:2018-07-12
申请号:US15887051
申请日:2018-02-02
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor: William W. MERRILL , David T. YUST , Patrick M. CRAIN , Neeraj SHARMA , Jung-Sheng WU
IPC: G02B5/20 , H04N5/225 , G09F13/16 , G09F3/10 , G09F3/00 , G06K19/06 , G02B5/02 , G06K7/14 , G02B5/28 , G02B5/22 , G02B5/12 , G06K7/12
CPC classification number: G02B5/208 , G02B5/0284 , G02B5/12 , G02B5/201 , G02B5/223 , G02B5/285 , G06K7/12 , G06K7/1447 , G06K19/06103 , G06K19/0614 , G09F3/0294 , G09F3/0297 , G09F3/10 , G09F13/16 , H04N5/2256
Abstract: A dispersion, a resin containing the dispersion and polymer film formed from the resin are disclosed. The dispersion includes an infrared light absorbing pigment including organo-metallic particles being less than 1.5 micrometer or less than one micrometer in size. The dispersion also includes a dispersant including phosphorus and a polyol.
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