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    • 32. 发明授权
    • Counterfeit-proof volume hologram multilayer structure, and counterfeit-proof volume hologram seal
    • 防伪体积全息图多层结构,防伪体积全息图密封
    • US06852397B2
    • 2005-02-08
    • US10288234
    • 2002-11-04
    • Tetsuya ToshineKenji Ueda
    • Tetsuya ToshineKenji Ueda
    • G03H1/04G09F3/02B32B5/16G02B5/32
    • G03H1/0248G03H1/0011G03H1/0256G03H2240/54G03H2250/12G03H2250/34G03H2260/30G09F3/0292Y10T428/24942Y10T428/25
    • The present invention relates to a counterfeit-proof volume hologram multilayer structure capable of securely preventing a counterfeiter from replicating a volume hologram recorded therein. The multilayer structure comprises a transparent surface protective layer, a volume hologram layer, and an adhesive layer which are sequentially laminated and is characterized in that particles having particle diameter of 350 nm or more are dispersed in at least one of the transparent surface protective layer, the volume hologram layer, and the adhesive layer and that the refractive index ratio (nF/nB) is set to be not less than 1.05 or not greater than 0.95, wherein nF is the refractive index of the particles and nB is the refractive index of the medium in which the particles are dispersed, or characterized in that at least either the refractive index ratio (nP/nH) between the transparent surface protective layer and the volume hologram layer or the refractive index ratio (nH/nA) between the volume hologram layer and the adhesive layer is set to be not less than 1.08, wherein nP is the refractive index of the transparent surface protective layer, nH is the refractive index of the volume hologram layer, and nA is the refractive index of the adhesive layer.
    • 本发明涉及一种防伪体积全息图多层结构,能够可靠地防止伪造者复制其中记录的体积全息图。 多层结构包括依次层叠的透明表面保护层,体积全息图层和粘合剂层,其特征在于粒径为350nm以上的粒子分散在至少一个透明表面保护层, 体积全息图层和粘合剂层,并且折射率比(nF / nB)设定为不小于1.05或不大于0.95,其中nF是颗粒的折射率,nB是折射率 其中颗粒分散的介质,或其特征在于,透明表面保护层和体积全息图层之间的折射率比(nP / nH)或体积全息图之间的折射率(nH / nA) 层和粘合层设定为不小于1.08,其中nP是透明表面保护层的折射率,nH是volu的折射率 我的全息图层,nA是粘合剂层的折射率。
    • 38. 发明授权
    • Photosensitive resin composition and color filter
    • 感光树脂组合物和滤色片
    • US06558858B2
    • 2003-05-06
    • US10143202
    • 2002-05-13
    • Kenji UedaSatoshi ShiodaHirotaka NishijimaTomoaki MukaiyamaSyuichi Mitsuhashi
    • Kenji UedaSatoshi ShiodaHirotaka NishijimaTomoaki MukaiyamaSyuichi Mitsuhashi
    • G02B520
    • C08G18/6254C08F290/126C08G18/8116G03F7/0007G03F7/033G03F7/0388Y10S430/128Y10T428/1471
    • There is provided a color filter comprising: a transparent substrate; a colored layer provided on the transparent substrate; and a protective layer provided so as to cover the colored layer, the protective layer having been formed by coating a photosensitive resin composition, exposing the coating, developing the exposed coating with an alkali, and heating the developed coating, the photosensitive resin composition comprising: a copolymer resin; a bifunctional or higher polyfunctional photopolymerizable acrylate monomer; an epoxy resin; and an initiator, said copolymer resin comprising 5 to 55% by mole of constituent units represented by formula (1) and 5 to 95% by mole of constituent units represented by formula (2), the constituent units represented by formula (1) having been partially reacted, through carboxyl groups thereof, with a (meth)acryloylalkyl isocyanate compound, the constituent units represented by formula (2) having been partially reacted, through hydroxyl groups thereof, with a (meth)acryloylalkyl isocyanate compound, said copolymer resin containing 5 to 95% by mole of (meth)acryloyl groups and having an acid value of 5 to 400 mg KOH/g and a weight average molecular weight of 10,000 to 1,000,000 as determined using polystyrene as a standard.
    • 提供了一种滤色器,包括:透明基板; 设置在透明基板上的着色层; 所述保护层设置成覆盖所述着色层,所述保护层通过涂布感光性树脂组合物而形成,使所述涂层露出,用碱显影所述曝光的涂层,并加热所述显影涂层,所述感光性树脂组合物包含: 共聚物树脂; 双官能或更高官能的可光聚合的丙烯酸酯单体; 环氧树脂; 和引发剂,所述共聚物树脂包含5至55摩尔%的由式(1)表示的结构单元和5至95摩尔%的由式(2)表示的构成单元,由式(1)表示的结构单元具有 通过其羧基与(甲基)丙烯酰基烷基异氰酸酯化合物部分反应,由式(2)表示的构成单元通过羟基与(甲基)丙烯酰基烷基异氰酸酯化合物部分反应,所述共聚物树脂含有 5〜95摩尔%的(甲基)丙烯酰基,酸值为5〜400mg KOH / g,重均分子量为10,000〜1,000,000,以聚苯乙烯为标准。