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    • 6. 发明专利
    • Light transmission film, method of manufacturing light transmission film, and liquid crystal display device
    • 光传输膜,制造光传输膜的方法和液晶显示装置
    • JP2007286573A
    • 2007-11-01
    • JP2006243138
    • 2006-09-07
    • Sony Corpソニー株式会社
    • HOSHI MITSUNARIOBATA KEIHORII AKIHIROMIZUNO YUTAKA
    • G02B5/02G02B5/30G02F1/1335G02F1/13357
    • G02F1/133606G02B5/045G02B5/3083G02B6/0053G02B6/0056G02F1/13362G02F2001/133607
    • PROBLEM TO BE SOLVED: To provide a light transmission film which is provided with not only a converging function but also a predetermined polarization/separation function. SOLUTION: The light transmission film (prism sheet 13) has a refractive index nx in a prism extension direction and a refractive index ny in a prism arrangement direction, the nx being different from the ny. The difference between the refractive index in the prism extension direction and the refractive index in the prism arrangement direction orthogonally crossing the prism extension direction enables light, which is made incident into the light transmission film, to make a polarized light component Lx which oscillates in the prism extension direction different in transmission characteristics from a polarized light component Ly which oscillates in the prism arrangement direction. For example, The refractive index in the prism arrangement direction is made larger than that in the prism extension direction (nx>ny), and consequently the quantity of the returned light of the polarized light component Lx which oscillates in the prism extension direction becomes larger than that of the polarized light component Ly which oscillates in the prism arrangement direction. Consequently, not only the converging function but also the predetermined polarization/separation function can be attained. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供不仅具有会聚功能而且具有预定的偏振/分离功能的透光膜。 透光膜(棱镜片13)在棱镜延伸方向上具有折射率nx和棱镜排列方向上的折射率ny,nx不同于ny。 棱镜延伸方向上的折射率与与棱镜延伸方向正交的棱镜排列方向的折射率之间的差异使得入射到透光膜中的光能够使得偏振光分量Lx在 棱镜延伸方向与从棱镜排列方向振荡的偏振光分量Ly的透射特性不同。 例如,棱镜排列方向的折射率大于棱镜延伸方向(nx> ny)的折射率,因此在棱镜延伸方向上振荡的偏振光分量Lx的返回光量变大 比在棱镜布置方向上振荡的偏振光分量Ly的偏振光分量Ly的偏振光分量Ly 因此,不仅可以获得会聚功能,而且可以实现预定的偏振/分离功能。 版权所有(C)2008,JPO&INPIT
    • 7. 发明专利
    • Optical sheet, backlight device and liquid crystal display
    • 光学片,背光装置和液晶显示器
    • JP2007286261A
    • 2007-11-01
    • JP2006112388
    • 2006-04-14
    • Sony Corpソニー株式会社
    • OTA EIJIABIKO TORUISHIGAKI MASATOSATO SATOSHINISHIDA YASUHIROHORII AKIHIRO
    • G02B5/02F21S2/00F21V5/02F21V5/04F21Y103/00G02F1/1335
    • G02B5/045G02B6/0053G02F2001/133607
    • PROBLEM TO BE SOLVED: To provide an optical sheet capable of further improving the luminance characteristics.
      SOLUTION: In the light-condensing optical sheet 14, a large number of rugged parts 14C are arranged continuous on the principal surface of a transmissive substrate 14B, wherein the arrangement pitch of the rugged parts 14C is 110 to 330 μm and the surface roughness Ra of the rugged parts 14C is 0.1 μm or smaller. The rugged parts 14C can be constituted of prism bodies 14P of triangular cross-sectional shape or cylindrical lens bodies 14L having hyperbolic surfaces, parabolic surfaces or high-order aspherical surfaces. By constituting the arrangement pitch of the prism bodies or lens bodies within the range of 110 to 330 μm and controlling the surface roughness (Ra: arithmetic average roughness) of the rugged parts 14C to 0.1 μm or smaller, the high luminance characteristics can be provided and, by applying the optical sheet to a liquid crystal display device or a backlight device, a high-quality display image can be obtained.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供能够进一步提高亮度特性的光学片。 解决方案:在聚光光学片14中,多个凹凸部14C在透光性基板14B的主面上连续配置,其中,凹凸部14C的配置间距为110〜330μm, 凹凸部14C的表面粗糙度Ra为0.1μm以下。 粗糙部分14C可以由具有三角形横截面形状的棱镜体14P或具有双曲面,抛物线面或高阶非球面的柱面透镜体14L构成。 通过将棱镜体或透镜体的排列间距构成在110〜330μm的范围内,将粗糙部14C的表面粗糙度(Ra:算术平均粗糙度)控制在0.1μm以下,可以提供高亮度特性 并且通过将光学片施加到液晶显示装置或背光装置,可以获得高质量的显示图像。 版权所有(C)2008,JPO&INPIT
    • 8. 发明专利
    • Thermal head printer, and printing method therefor
    • 热打印头及其印刷方法
    • JP2006256059A
    • 2006-09-28
    • JP2005075733
    • 2005-03-16
    • Sony Corpソニー株式会社
    • TAKANO HIROAKITAKIZAWA NAOKIKATO SHINJIHORII AKIHIRO
    • B41J2/36
    • B41J2/375
    • PROBLEM TO BE SOLVED: To lengthen the span of life; to prevent scratching on a printed surface, a decrease in printing density, the occurrence of tailing and unevenness in density, etc. ; and to increase a printing speed.
      SOLUTION: After the computing of a heating value required for printing pixel data in the b-th row (1≤b≤m) by a heating resistor corresponding to the a-th column (1≤a≤n) of pixel data with m rows and n columns among image data, the computed heating values S (a and b) in the a-th column and the b-th row are compared with the specified heating value L of the heating resistor; an excess number N (a) in the a-th column is determined by counting the number of the computed heating values S (a and b) beyond the specified heating value L; the maximum excess number N (max) is computed on the basis of excess numbers N (1)-N (n) from the first column to the n-th column; and printing is done by limiting the heating value of the heating resistor, when the maximum excess number N (max) exceeds a reference number M.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:延长生命的跨度; 以防止印刷表面刮伤,印刷密度降低,拖尾发生和密度不均匀等; 并提高打印速度。 解决方案:在通过对应于像素的第a列(1≤a≤n)的加热电阻器计算第b行(1≤b≤m)中的像素数据打印所需的加热值之后 在图像数据中具有m行和n列的数据,将第a列和第b行中计算的加热值S(a和b)与加热电阻器的指定加热值L进行比较; 通过计算计算出的加热值S(a和b)超过规定的加热值L来确定第a列中的过量数N(a) 基于从第一列到第n列的过量数N(1)-N(n)计算最大过量数N(max); 并且当最大超量数N(max)超过参考数量M时,通过限制加热电阻器的发热值来进行打印。(C)2006,JPO&NCIPI