Illumination device and image scanning device
    4.
    发明授权
    Illumination device and image scanning device 失效
    照明装置和图像扫描装置

    公开(公告)号:US07555194B2

    公开(公告)日:2009-06-30

    申请号:US11296866

    申请日:2005-12-07

    IPC分类号: G02B6/10

    CPC分类号: H04N1/02815 H04N1/02835

    摘要: An improved illumination device shortens a redundant area of insufficient light intensity close to a longitudinal end thereof. The device includes a casing, a bar-shaped light guide housed in the casing to cause a light-emitting surface thereof to be exposed, a light-emitting unit secured to an end section of the casing, wherein light from the light-emitting unit is introduced into the bar-shaped light guide through the end face thereof and is totally reflected within the bar-shaped light guide to be emitted through the light-emitting surface, and a shielding section provided to cover an end section of the bar-shaped light guide including the redundant area at the end section of the casing close to the light-emitting unit. A notch is formed at the end section of the bar-shaped light guide on the light-emitting surface side close to the light-emitting unit, and light from the light-emitting unit is reflected on a rear surface of the shielding section through a gap between this notch and the light-emitting unit to be introduced into the bar-shaped light guide.

    摘要翻译: 改进的照明装置缩短靠近其纵向端的光强度不足的冗余区域。 该装置包括壳体,容纳在壳体中以使其发光表面暴露的条形光导;固定到壳体的端部的发光单元,其中来自发光单元的光 通过其端面引入棒形导光体,并且在棒状光导中被全反射以通过发光表面发射;以及屏蔽部,其设置成覆盖棒状导光体的端部 导光体包括靠近发光单元的壳体端部处的冗余区域。 在靠近发光单元的发光面侧的棒状导光体的端部形成有切口,来自发光单元的光通过遮光部的背面被反射 该凹口与发光单元之间的间隙被引入到条形光导中。

    Transmissive image display device
    5.
    发明授权
    Transmissive image display device 失效
    透射图像显示装置

    公开(公告)号:US5337186A

    公开(公告)日:1994-08-09

    申请号:US893321

    申请日:1992-06-03

    IPC分类号: G02B3/00 G02F1/1335 G02B27/00

    摘要: A projection-type image display device includes a transmissive image display panel having a matrix of pixels arranged at different pitches in different directions perpendicular to each other, and a planar microlens array for converging light emitted by a light source onto the transmissive image display panel. The planar microlens array comprises a substrate and a matrix of microlenses disposed on the substrate for converging the light onto the pixels, respectively, each of the microlenses being of an oblong shape. Each of the microlenses may have a longitudinal axis inclined with respect to an axis of the matrix of pixels to cover the pixel aperture of one of the pixels. The oblong shape of each of the microlenses may be composed of a pair of spaced identical semicircles and a rectangle interconnecting the identical semicircles and having sides of the same length as the diameter of the semicircles. Since the oblong microlenses are shaped to fully cover the pixel apertures of the corresponding pixels, the light from the light source is efficiently converged onto the pixels by the microlenses to produce light display images.

    摘要翻译: 投影型图像显示装置包括具有以彼此垂直的不同方向上以不同间距排列的像素矩阵的透射图像显示面板和用于将由光源发射的光会聚到透射图像显示面板上的平面微透镜阵列。 平面微透镜阵列包括基板和设置在基板上的微透镜矩阵,用于将光聚焦到像素上,每个微透镜为长方形。 每个微透镜可以具有相对于像素矩阵的轴线倾斜的纵轴,以覆盖像素之一的像素孔径。 每个微透镜的长方形可以由一对间隔开的相同的半圆形构成,并且将相同的半圆相互连接并具有与半圆的直径相同长度的边的矩形。 由于长圆形微透镜被成形为完全覆盖对应像素的像素孔径,所以来自光源的光通过微透镜有效地会聚到像素上,以产生光显示图像。

    Method for manufacturing an erect image, unity magnification, resin lens array
    7.
    发明授权
    Method for manufacturing an erect image, unity magnification, resin lens array 失效
    制造直立图像,单位倍率,树脂透镜阵列的方法

    公开(公告)号:US06625864B2

    公开(公告)日:2003-09-30

    申请号:US09800536

    申请日:2001-03-07

    IPC分类号: B23P2500

    摘要: The present invention provides a method for manufacturing an erect image, unity magnification, resin lens array by injection molding. Two injection-molded lens plates are stacked such that convexly warped sides thereof face each other or such that a convexly warped side of the lens plate whose warp is greater than that of the other lens plate faces a concavely warped side of the other lens plate, while directions of resin injection thereof are aligned so as to optically avoid the influence of molding shrinkage. Engagement spigots and engagement sockets are employed in order to align the two lens plates. The two stacked lens plates are secured by clipping of peripheral portions thereof.

    摘要翻译: 本发明提供一种通过注射成型制造直立图像,单位放大率,树脂透镜阵列的方法。 两个注射成型的透镜板被堆叠成使得其翘曲翘曲的侧面彼此面对,或者使得翘曲大于另一个透镜板的翘曲的透镜板的翘曲翘曲面朝向另一个透镜板的凹曲面, 同时树脂注射的方向被排列以便光学地避免模塑收缩的影响。 使用接合插口和接合插座以便对准两个透镜板。 两个堆叠的透镜板通过其周边部分的夹持来固定。

    Erecting life-size resin lens array and method of manufacturing it
    8.
    发明授权
    Erecting life-size resin lens array and method of manufacturing it 失效
    架设真实尺寸的树脂透镜阵列及其制造方法

    公开(公告)号:US06363603B1

    公开(公告)日:2002-04-02

    申请号:US09380042

    申请日:1999-08-25

    IPC分类号: B23P2500

    摘要: The present invention provides a method for manufacturing an erect image, unity magnification, resin lens array by injection molding. Two injection-molded lens plates are stacked such that convexly warped sides thereof face each other or such that a convexly warped side of the lens plate whose warp is greater than that of the other lens plate faces a concavely warped side of the other lens plate, while directions of resin injection thereof are aligned so as to optically avoid the influence of molding shrinkage. Engagement spigots and engagement sockets are employed in order to align the two lens plates. The two stacked lens plates are secured by clipping of peripheral portions thereof.

    摘要翻译: 本发明提供一种通过注射成型制造直立图像,单位放大率,树脂透镜阵列的方法。 两个注射成型的透镜板被堆叠成使得其翘曲翘曲的侧面彼此面对,或者使得翘曲大于另一个透镜板的翘曲的透镜板的翘曲翘曲面朝向另一个透镜板的凹曲面, 同时树脂注射的方向被排列以便光学地避免模塑收缩的影响。 使用接合插口和接合插座以便对准两个透镜板。 两个堆叠的透镜板通过其周边部分的夹持来固定。

    Light guide and image reader
    10.
    发明申请
    Light guide and image reader 有权
    光导和图像阅读器

    公开(公告)号:US20090218525A1

    公开(公告)日:2009-09-03

    申请号:US11920302

    申请日:2006-04-28

    IPC分类号: H04N1/04 F21V8/00

    摘要: A rod-shaped light guide which does not cause unevenness in color at the portion near an incident face is produced by injection-molding transparent resin such as acryl and its surfaces include a light-emitting surface, a bottom face, left and right sides and end faces. One end face opposes a light emitting unit, and light scattering patterns for scattering light incident from the end face are formed on the bottom face. The light scattering patterns are different in shape between a portion near the end face as the incident face and a portion away from the end face. The light scattering patterns formed at the portion near the incident face are composed of a large number of fine hemispherical concaves, whereas the light scattering patterns at the portion away from the incident face are composed of triangular grooves or half cylindrical grooves, and the axial direction of these triangular grooves or half cylindrical grooves is equal to coincides with the width direction (sub-scanning direction) of the bottom face on which the patterns are formed.

    摘要翻译: 在入射面附近部分不会引起颜色不均的棒状导光体是通过注射成型的透明树脂如丙烯酸而形成的,其表面包括发光面,底面,左右两侧, 端面。 一个端面与发光单元相对,并且在底面上形成用于散射从端面入射的光的光散射图案。 光散射图案在作为入射面的端面附近的部分和远离端面的部分之间的形状不同。 在入射面附近形成的光散射图案由大量的细半球形凹部构成,而远离入射面的部分的光散射图案由三角形槽或半圆柱形槽构成,轴向方向 这些三角形槽或半圆柱形槽的长度方向与形成有图案的底面的宽度方向(副扫描方向)一致。