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    • 3. 发明授权
    • Method for producing fine structure
    • 生产精细结构的方法
    • US08221963B2
    • 2012-07-17
    • US12342147
    • 2008-12-23
    • Jun AmakoDaisuke Sawaki
    • Jun AmakoDaisuke Sawaki
    • G03F7/20G02B5/18
    • G03F7/001G02B5/1857G03F7/70408
    • A method for producing a fine structure includes: (a) forming a photosensitive film to cover a plurality of first convex portions formed in at least one surface of a substrate; (b) arranging liquid to cover the photosensitive film on the at least one surface of the substrate; (c) arranging a transparent parallel plate such that the parallel plate opposes the substrate via the liquid; (d) generating interference field by a laser beam to irradiate the interference field onto the photosensitive film via the parallel plate and the liquid; (e) removing the liquid and the parallel plate to develop the photosensitive film so as to form a photosensitive film pattern; and (f) etching the substrate using a mask of the photosensitive film pattern to form a plurality of fine convex portions smaller than the first convex portions on the at least one surface of the substrate. In the method, the liquid arranged at step (b) has a refractive index larger than 1 and equal to or smaller than a refractive index of the photosensitive film.
    • 精细结构的制造方法包括:(a)形成感光膜以覆盖形成在基板的至少一个表面中的多个第一凸部; (b)布置液体以覆盖基板的至少一个表面上的感光膜; (c)布置透明平行板,使得平行板经由液体与基板相对; (d)通过激光束产生干涉场,以通过平行板和液体将干涉场照射到感光膜上; (e)去除液体和平行板以显影感光膜以形成感光膜图案; 以及(f)使用所述感光膜图案的掩模蚀刻所述基板,以形成比所述基板的所述至少一个表面上的所述第一凸部小的多个细小凸部。 在该方法中,在步骤(b)中布置的液体的折射率大于1且等于或小于感光膜的折射率。
    • 5. 发明授权
    • Optical element, liquid crystal device, and display
    • 光学元件,液晶装置和显示器
    • US07885004B2
    • 2011-02-08
    • US12790252
    • 2010-05-28
    • Jun AmakoDaisuke Sawaki
    • Jun AmakoDaisuke Sawaki
    • G02B5/30G02B5/18G02F1/1335
    • G02B5/1809G02F1/133528G02F2001/133548
    • An optical element having a function of splitting incident light into polarized beams includes a substrate transparent for the incident light; a diffractive structure that includes a plurality of concave portions and a plurality of convex portions alternately arranged with each other, each of the plurality of concave portions and convex portions having a rectangular sectional shape and that is provided on a first surface of the substrate; and a grid that includes a plurality of fine lines extending in a single direction and that is provided across a top surface of the diffractive structure on the first surface of the substrate, wherein conditions: d
    • 具有将入射光分离成偏振光束的功能的光学元件包括对入射光透明的基板; 包括多个凹部和交替排列的多个凸部的衍射结构,所述多个凹部和凸部中的每一个具有矩形截面形状,并且设置在所述基板的第一表面上; 以及栅格,其包括在单个方向上延伸的并且在所述基板的第一表面上横跨所述衍射结构的顶表面设置的多个细线,其中条件:d <λ和λ/ n <δ&nlE;λ为 当λ表示入射光的波长时满足; d表示相邻细线之间的距离; δ表示凸部之间的距离; n表示形成基板的材料的折射率。
    • 7. 发明授权
    • Polarization control element, manufacturing method of polarization control element, design method of polarization control element, and electronic equipment
    • 偏振控制元件,偏振控制元件的制造方法,偏振控制元件的设计方法和电子设备
    • US07339734B2
    • 2008-03-04
    • US11271864
    • 2005-11-14
    • Jun AmakoDaisuke Sawaki
    • Jun AmakoDaisuke Sawaki
    • G02B5/30
    • G02B27/286Y10S359/90
    • A manufacturing method of a polarization control element which is placed in a first medium and used and which is provided with a striped structure of a period shorter than a wavelength of light to be subject to control, the manufacturing method of a polarization control including:a first process which sets element conditions such as to meet a relationship Re[e1]>0, fRe[e1]+(1−f)Re[e2] 0, where a complex dielectric constant of the first medium is e1, a complex dielectric constant of a second medium constituting the striped structure is e2, a fill factor of the second medium is f(0
    • 一种偏振控制元件的制造方法,其特征在于,放置在第一介质中并使用并具有比要受控制的光的波长短的时间的条纹结构的偏振控制元件的制造方法,所述偏光控制元件的制造方法包括: 第一个过程,设置元素条件,例如满足关系<?in-line-formula description =“In-line Formulas”end =“lead”?> Re [e1]> 0,<?in-line-formula description = “in-line formula”end =“tail”?> <?in-line-formula description =“In-line Formulas”end =“lead”?> fRe [e1] +(1-f)Re [e2] 0和<?in-line-formula description =“In-line Formulas”end =“tail”?> <?in-line-formula description =“In-line formula”end =“lead”?> Im [e2 ]> 0,<?in-line-formula description =“In-line formula”end =“tail”?>其中第一介质的复介电常数为e 1,第二介质的复介电常数构成条纹 结构为e 2,第二介质的填充因子为f(0
    • 8. 发明授权
    • Optical element having a diffractive layer and a relief pattern with concave and convex portions
    • 具有衍射层的光学元件和具有凹凸部分的浮雕图案
    • US07972017B2
    • 2011-07-05
    • US12754225
    • 2010-04-05
    • Jun AmakoDaisuke Sawaki
    • Jun AmakoDaisuke Sawaki
    • G03B21/28G02F1/13G02B5/18G02B6/34
    • G02B5/3058G02B5/1842G02B5/1861
    • An optical element, includes: a diffractive functional layer which diffracts at least part of incident light; and a grid formed on a first surface of the diffractive functional layer, the grid including a plurality of fine wires and having a polarization separation function; wherein the optical element reflects a part of the incident light while transmitting another part of the incident light, the first surface of the diffractive functional layer including: a plurality of first regions; a plurality of second regions, a height thereof relative to a second surface of the diffractive functional layer being different from that of the first regions, the second surface being an opposite surface to the first surface; and a step provided at a border between the first regions and the second regions.
    • 光学元件包括:衍射功能层,衍射至少部分入射光; 以及形成在所述衍射功能层的第一表面上的栅格,所述栅格包括多根细线并具有偏振分离功能; 其中所述光学元件在透射另一部分入射光的同时反射入射光的一部分,所述衍射功能层的第一表面包括:多个第一区域; 多个第二区域,其相对于所述衍射功能层的第二表面的高度不同于所述第一区域的第二区域,所述第二表面是与所述第一表面相反的表面; 以及设置在第一区域和第二区域之间的边界处的台阶。
    • 10. 发明授权
    • Optical element, liquid crystal device, and display
    • 光学元件,液晶装置和显示器
    • US07755718B2
    • 2010-07-13
    • US12187215
    • 2008-08-06
    • Jun AmakoDaisuke Sawaki
    • Jun AmakoDaisuke Sawaki
    • G02F1/1335G02B5/30G02B27/28
    • G02B5/1809G02F1/133528G02F2001/133548
    • An optical element having a function of splitting incident light into polarized beams includes a substrate transparent for the incident light; a diffractive structure that includes a plurality of concave portions and a plurality of convex portions alternately arranged with each other, each of the plurality of concave portions and convex portions having a rectangular sectional shape and that is provided on a first surface of the substrate; and a grid that includes a plurality of fine lines extending in a single direction and that is provided across a top surface of the diffractive structure on the first surface of the substrate, wherein conditions: d
    • 具有将入射光分离成偏振光束的功能的光学元件包括对入射光透明的基板; 包括多个凹部和交替排列的多个凸部的衍射结构,所述多个凹部和凸部中的每一个具有矩形截面形状,并且设置在所述基板的第一表面上; 以及栅格,其包括在单个方向上延伸的并且在所述基板的第一表面上横跨所述衍射结构的顶表面设置的多个细线,其中条件:d <λ和λ/ n <δ&nlE;λ为 当λ表示入射光的波长时满足; d表示相邻细线之间的距离; δ表示凸部之间的距离; n表示形成基板的材料的折射率。