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    • 1. 发明申请
    • Optical Organic-Inorganic Composite Material and Optical Element
    • 光学有机无机复合材料和光学元件
    • US20100120965A1
    • 2010-05-13
    • US12532988
    • 2008-03-11
    • Masako KikuchiHiroto ItohAkiyoshi Kimura
    • Masako KikuchiHiroto ItohAkiyoshi Kimura
    • C08K3/34
    • G02B1/04G11B7/2545
    • Provided are an optical organic-inorganic composite material exhibiting excellent transparency with respect to light having a short wavelength of around 405 nm and an optical element fitted with the optical organic-inorganic composite material, and sufficiently improving temperature dependence of the optical property (refractive index) by utilizing a resin with which an optical element is prepared at low coat in comparison to a glass material. Disclosed is an optical organic-inorganic composite material comprising inorganic particles possessing a composite oxide in which at least two kinds of metal oxides are incorporated, the inorganic particles dispersed in a resin in a state of primary particles or in a state where the plural number of primary particles are coagulated, wherein the dispersed particles have a refractive index variation standard deviation σ of 0.03 or less, and the inorganic particles have an average primary particle diameter of 1-50 nm.
    • 本发明提供一种光学有机 - 无机复合材料,该光学有机 - 无机复合材料相对于具有约405nm波长的短波长的光具有优异的透明度,以及与该光学有机 - 无机复合材料配合的光学元件,并且充分改善了光学性质(折射率 )通过利用与玻璃材料相比在低涂层制备光学元件的树脂。 公开了一种光学有机 - 无机复合材料,其包含具有复合氧化物的无机颗粒,其中引入至少两种金属氧化物,所述无机颗粒以一级颗粒的状态分散在树脂中或在多种 初级颗粒凝结,其中分散颗粒具有折射率变化标准偏差&sgr; 为0.03以下,无机粒子的平均一次粒径为1-50nm。
    • 2. 发明申请
    • Organic/Inorganic Composite Material and Optical Element
    • 有机/无机复合材料和光学元件
    • US20100010138A1
    • 2010-01-14
    • US12444566
    • 2007-02-13
    • Masako KikuchiHiroto Itoh
    • Masako KikuchiHiroto Itoh
    • C08K3/22C08K3/36
    • G02B1/04C08K3/22C08K3/36
    • Disclosed are an organic-inorganic composite material which is small in rate of variation of refractive index with respect to temperature and is excellent in transparency, and an optical element. The organic-inorganic composite material comprises a resin and inorganic microparticles dispersed therein, characterized in that the inorganic microparticles are dispersed in the resin to form dispersion particles in the form of primary particles or in the form in which several primary particles are aggregated, and when particle diameter of the dispersion particles is expressed by D and center-to-center distance between the centers of any of the dispersion particles and a dispersion particle adjacent thereto is expressed by L, the particle diameter D and the center-to-center distance L satisfy the conditions defined by the following formulas (1) and (2). Formula (1) D50≦30 nm, and Formula (2) LP≦30 nm, wherein in formula (1) D50 represents the particle diameter in a number distribution function of the dispersion particles at which the cumulative number reaches 50% of the number of all the dispersion particles and in formula (2) LP represents the center-to-center distance providing a peak in a frequency distribution function of the center-to-center distance L.
    • 公开了折射率相对于温度变化率小且透明性优异的有机无机复合材料和光学元件。 有机 - 无机复合材料包括分散在其中的树脂和无机微粒,其特征在于,将无机微粒分散在树脂中以形成初级颗粒形式的分散颗粒或以几个一次颗粒聚集的形式,并且当 分散粒子的粒径由D表示,任何分散粒子的中心与其相邻的分散粒子的中心距离由L表示,粒径D和中心距离L 满足下述式(1)和(2)所定义的条件。 式(1)D50 <= 30nm,式(2)LP <= 30nm,式(1)中,D50表示累积数达到50%以下的分散粒子的数均分布函数中的粒径 所有分散粒子的数量和式(2)LP表示在中心到中心距离L的频率分布函数中提供峰值的中心到中心距离。
    • 4. 发明申请
    • Optical Resin Material and Optical Element
    • 光学树脂材料和光学元件
    • US20100216930A1
    • 2010-08-26
    • US12738423
    • 2008-10-01
    • Kazuhito IharaMasako Kikuchi
    • Kazuhito IharaMasako Kikuchi
    • C08K3/22
    • G02B1/04C08K9/06C08L83/04
    • An optical resin material, which, while able to form a plastic optical element produceable at low cost, has excellent heat resistance and, at the same time, has excellent optical stability high enough to avoid a change in optical properties even after use for a long period of time, and an optical element using the optical resin material. The optical resin material contains a curable resin and hydrophobic oxide particles and is characterized in that it satisfies an absorbance intensity ratio B/A of not less than 0.01 and not more than 0.25, wherein A represents an absorbance intensity at 1720 cm−1 in an infrared absorption spectrum of the optical resin material after curing; and B represents an absorbance intensity at 1637 cm−1, and the volume average particle diameter of the hydrophobic oxide particles is not less than 1.0 nm and not more than 50 nm.
    • 能够以低成本制造的塑料光学元件能够形成能够以低成本生产的塑料光学元件的光学树脂材料具有优异的耐热性,同时具有优异的光学稳定性,足以避免即使长时间使用后的光学特性的变化 一段时间,以及使用光学树脂材料的光学元件。 光学树脂材料含有固化性树脂和疏水性氧化物粒子,其特征在于,其满足吸光度强度比B / A为0.01以上且0.25以下,其中A表示1720cm -1处的吸光度强度 固化后光学树脂材料的红外吸收光谱; B表示1637cm -1处的吸收强度,疏水性氧化物粒子的体积平均粒径为1.0nm以上且50nm以下。