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    • 5. 发明申请
    • LENS UNIT, LED HEAD, EXPOSING UNIT, IMAGE FORMING APPARATUS, AND SCANNING APPARATUS
    • 透镜单元,LED头,曝光单元,图像形成装置和扫描装置
    • US20110102886A1
    • 2011-05-05
    • US12913423
    • 2010-10-27
    • Akihiro YAMAMURA
    • Akihiro YAMAMURA
    • G02B13/16
    • G02B3/0006
    • Lens pairs include: a first lens to form an intermediate image, which is an inverted image of an object, on an intermediate image plane; and a second lens to form an image of the object, which is an inverted image of the intermediate image, on the image plane. A ratio of SO1 (the distance between the first principal plane of the first lens and the object plane) to SI1 (the distance between the second principal plane of the first lens and the intermediate image plane) is substantially the same as the ratio of SI2 (the distance between the second principal plane of the second lens and the imaging plane) to SO2 (the distance between the first principal plane of the second lens and the intermediate image plane). The distance between the first lens and the object plane is different from a distance between the second lens and the imaging plane.
    • 透镜对包括:在中间像平面上形成作为物体的反转图像的中间图像的第一透镜; 以及在图像平面上形成作为中间图像的反转图像的对象的图像的第二透镜。 SO1(第一透镜的第一主面与物面之间的距离)与SI1(第一透镜的第二主面与中间像面之间的距离)的比率与SI2的比率基本相同 (第二透镜的第二主平面与成像面的距离)与SO2(第二透镜的第一主面与中间像面之间的距离)。 第一透镜和物平面之间的距离与第二透镜和成像平面之间的距离不同。
    • 8. 发明申请
    • Exposing Device, Image Forming Apparatus and Reading Apparatus
    • 曝光装置,图像形成装置和读取装置
    • US20090225147A1
    • 2009-09-10
    • US12391647
    • 2009-02-24
    • Akihiro YAMAMURA
    • Akihiro YAMAMURA
    • B41J2/385
    • B41J2/451G03G15/041G03G15/326G03G2215/0409
    • An exposing device is supplied capable of producing a high-resolution printing image, and being easily manufactured as the position adjustment of the lens is not necessary. In the exposing device, a radiation point array substrate that arranges plural radiation point arrays with plural radiation points in a straight line, in plural straight lines with predetermined interval; and a lens array substrate that is set up to correspond to the respective radiation point arrays and has plural lenses forming enlargement image of the radiation point array, wherein the radiation point array substrate almost parallels the lens array substrate under the condition that optical axis of each radiation point array is adjusted to that of each lens, and when a distance of the radiation points on both ends of the radiation point array is served as “SY” and an absolute value of magnification of the lens is served as “mag”, formula “SY≦12.0/mag” holds.
    • 提供能够产生高分辨率打印图像的曝光装置,并且在不需要透镜的位置调整的情况下容易地制造。 在曝光装置中,以规定间隔以多条直线排列具有多条辐射点的多个辐射点阵列的放射线阵列基板, 以及透镜阵列基板,其设置为对应于各个辐射点阵列,并且具有形成所述辐射点阵列的放大图像的多个透镜,其中所述辐射点阵列基板在每个所述辐射点阵列的光轴的条件下几乎平行于所述透镜阵列基板 辐射点阵列被调整为每个透镜的辐射点阵列,并且当辐射点阵列的两端上的辐射点的距离被用作“SY”,并且透镜的放大倍率的绝对值被用作“mag”时,公式 “SY <= 12.0 / mag”成立。
    • 10. 发明申请
    • DISPLAY APPARATUS USING A BACKLIGHT
    • 显示设备使用背光
    • US20130049616A1
    • 2013-02-28
    • US13596956
    • 2012-08-28
    • Akihiro YAMAMURAIsao MatsudaYoshio Umeda
    • Akihiro YAMAMURAIsao MatsudaYoshio Umeda
    • H05B37/02
    • H05B33/0827
    • The instant application describes a display apparatus that includes a display panel configured to display an image; and a backlight unit configured to illuminate the display panel from a back of the display panel. The backlight unit includes: N light-emitting diode strings connected in parallel with each other, each of the N light-emitting diode strings includes M light-emitting diodes connected in series, N being an integer of 2 or more and M being an integer of 1 or more; a power source unit connected in series with the N light-emitting diode strings and configured to generate a voltage; a drive unit connected in series with the N light-emitting diode strings and the power source unit and configured to supply currents to the N light-emitting diode strings; and a current regulator configured to regulate current flowing in each of the N light-emitting diode strings.
    • 本申请描述了一种显示装置,其包括被配置为显示图像的显示面板; 以及配置为从显示面板的背面照亮显示面板的背光单元。 背光单元包括:N个发光二极管串,并联连接,N个发光二极管串中的每一个包括串联连接的M个发光二极管,N为2以上的整数,M为整数 1或更多; 电源单元,与N个发光二极管串串联连接并被配置为产生电压; 驱动单元,与N个发光二极管串和电源单元串联连接,并配置为向N个发光二极管串提供电流; 以及电流调节器,被配置为调节在所述N个发光二极管串中的每一个中流动的电流。