公开(公告)号：US20100182541A1

公开(公告)日：2010-07-22

申请号：US12684877

申请日：2010-01-08

申请人： Satoshi OUCHI ,  Koichi Sakita ,  Hajime Inoue ,  Yoshiharu Yamashita

发明人： Satoshi OUCHI ,  Koichi Sakita ,  Hajime Inoue ,  Yoshiharu Yamashita

IPC分类号： G02F1/13357 ,  G09F13/04

CPC分类号： G02B6/0068 ,  G02B6/0018 ,  G02B6/008 ,  G02F1/133615

摘要： A backlight unit, being thin-sized, but having high definition and high uniformity of luminance, and a video display apparatus applying the same therein, has a plural number of sets of at least one or more of light source(s) (1) and a light guidance plate (2) for guiding lights from the light source(s) to a side of a liquid crystal panel, to be emitted therefrom, wherein the light source(s) is/are disposed on one end side of the light guidance plate, and other set of light source is disposed on a rear surface side of the other end of the light guidance plate opposite to the one end. A gap or groove (4) is formed mutually between each of the light guidance plates in the plural number of sets, and if assuming that width of the gap or groove is “d”, distance between a light incident surface of the liquid crystal panel and a light emission surface of the light guidance plate, or distance between a light incident surface of an optical member disposed between the liquid crystal panel and the light guidance plate and a light emission surface of the light guidance plate is “h”, and further 2.0 mm>d≧0.1 mm and 10.0 mm>h≧0.4 mm, then the following condition is satisfied: 4≦h/d≦100.

摘要翻译： 一种背光单元，其尺寸薄，但具有高清晰度和高均匀度的亮度，并且其中应用其的视频显示装置具有多个至少一个或多个光源（1）的组， 以及用于将来自所述光源的光引导到液晶面板的一侧的光引导板（2），从所述光引导板（2）发射，其中所述光源设置在所述光的一端侧 引导板和其他一组光源设置在与一端相对的导光板的另一端的后表面侧。 在多个组中的每个导光板之间形成有间隙或凹槽（4），如果假设间隙或凹槽的宽度为“d”，则液晶面板的光入射表面之间的距离 以及导光板的发光面，或者设置在液晶面板和导光板之间的光学构件的光入射面与导光板的发光面之间的距离为“h”，进一步 2.0mm>d≥0.1mm，10.0mm>h≥0.4mm，则满足以下条件：4＆nlE; h / d＆nlE; 100。

公开(公告)号：US20100214508A1

公开(公告)日：2010-08-26

申请号：US12684875

申请日：2010-01-08

申请人： Satoshi OUCHI ,  Koichi Sakita ,  Hajime Inoue ,  Seiji Murata

发明人： Satoshi OUCHI ,  Koichi Sakita ,  Hajime Inoue ,  Seiji Murata

IPC分类号： G02F1/1335 ,  F21V7/04

CPC分类号： G02B6/0038 ,  G02B6/0051 ,  G02B6/0061 ,  G02B6/008 ,  G02F2001/133601

摘要： A backlight unit having a LED light source includes a light guide plate partitioned in areas each having a tapered shape formed of a thick portion and a thin portion. The light guide plate is formed such that a thick portion and a thin portion are repeated at certain intervals, and the repeated thick portions and the repeated thin portions gradually decrease in thickness. The LED light source is attached to a lateral side of each thick portion. Grooves are formed in the light irradiation direction of the LED light source and in a direction perpendicularly intersecting the light irradiation direction. Each of the grooves is formed in an concave shape (V-shape or trapezoid-shape). There is a relation 0.2/30

摘要翻译： 具有LED光源的背光单元包括在由厚壁部和薄壁部形成为锥形的区域分割的导光板。 导光板形成为以一定间隔重复厚壁部分和薄部分，并且重复的厚部分和重复的薄部分的厚度逐渐减小。 LED光源连接到每个厚部分的侧面。 在LED光源的光照射方向和与光照射方向垂直的方向上形成槽。 每个槽形成为凹形（V形或梯形）。 有0.2 / 30 <= W / D <0.1的关系，其中D表示导光板和光扩散板之间的距离，W表示每个槽的宽度。 倾斜角度和角度; 相对于每个凹槽的中心在9和15度之间。 因此，具有LED光源的背光单元可以利用提供理想的正面亮度分布的区域划分的导光板。

公开(公告)号：US20110249220A1

公开(公告)日：2011-10-13

申请号：US13083509

申请日：2011-04-08

申请人： Satoshi OUCHI ,  Hajime Inoue ,  Hidenao Kubota ,  Mayumi Nagayoshi

发明人： Satoshi OUCHI ,  Hajime Inoue ,  Hidenao Kubota ,  Mayumi Nagayoshi

IPC分类号： G02F1/13357 ,  G09F13/04

CPC分类号： G02B6/008 ,  G02B6/0036 ,  G02B6/0061 ,  G02F1/133603

摘要： A plurality of backlight blocks are aligned, each block includes light sources and a unit light guide plate for guiding light from the light sources to the side of a liquid crystal panel, unit diffusion patterns are formed in a zigzag alignment on the unit light guide plate and another diffusion pattern is formed on the back of the unit light guide plate. One side of the unit light guide plate is defined as a light entrance surface and LEDs as the light sources are aligned along the light entrance surface to satisfy p≧a≧c where a indicates the size of the unit diffusion pattern in a direction orthogonal to an exit optical axis of the LEDs, c indicates the size of an LED emission surface in the direction of alignment of the LEDs, and p indicates the pitch of alignment of the light sources.

摘要翻译： 多个背光块对齐，每个块包括用于将来自光源的光引导到液晶面板的一侧的光源和单位导光板，在单位导光板上以Z字形排列形成单位扩散图案 并且在单元导光板的背面形成另一扩散图案。 单位导光板的一侧被定义为光入射面，并且当光源沿着光入射面对准时，LED被定义为满足p≥a≥c，其中a表示单位扩散图案在与 LED的出射光轴，c表示在LED的对准方向上的LED发射面的大小，p表示光源的对准的间距。

公开(公告)号：US20100259727A1

公开(公告)日：2010-10-14

申请号：US12759027

申请日：2010-04-13

申请人： Mayumi NAGAYOSHI ,  Satoshi OUCHI ,  Tadayoshi KOSAKA ,  Tomoki KOBORI ,  Yoshiho SEO

发明人： Mayumi NAGAYOSHI ,  Satoshi OUCHI ,  Tadayoshi KOSAKA ,  Tomoki KOBORI ,  Yoshiho SEO

IPC分类号： G03B21/14

CPC分类号： G09G3/02 ,  G02B27/09 ,  G02B27/104 ,  G02B27/145 ,  G03B21/2013 ,  H04N9/3129 ,  H04N9/3155 ,  H04N9/3164

摘要： Disclosed is an optical unit for an image display device, the unit including: one or a plurality of light sources; one or a plurality of optical elements that control a spread of light; a combining element that combines the beams of light emitted from the light sources; and a scanning element, wherein the light from each of the light sources generates an elliptical beam spot on a screen and the spot has a major axis substantially perpendicular to a scanning direction, the result is that the unit is simple in structure, inexpensive, compact, lightweight, and capable of providing high-resolution image quality, thus providing the display device reduced dimensionally and in weight. Such an image display device using the optical unit is also disclosed.

摘要翻译： 公开了一种用于图像显示装置的光学单元，该单元包括：一个或多个光源; 控制光的扩散的一个或多个光学元件; 组合从光源发射的光束的组合元件; 以及扫描元件，其中来自每个光源的光在屏幕上产生椭圆形光束点，并且光点具有基本上垂直于扫描方向的长轴，结果是该单元结构简单，价格便宜，致密 ，重量轻，并且能够提供高分辨率图像质量，从而为显示装置的尺寸和重量提供了减少的效果。 还公开了使用该光学单元的这种图像显示装置。

公开(公告)号：US20170272613A1

公开(公告)日：2017-09-21

申请号：US15460571

申请日：2017-03-16

申请人： Takuji KAMADA ,  Satoshi OUCHI

发明人： Takuji KAMADA ,  Satoshi OUCHI

IPC分类号： H04N1/411 ,  H04N1/64 ,  H04N1/417

CPC分类号： H04N1/4115 ,  H04N1/4172 ,  H04N1/4175 ,  H04N1/6027 ,  H04N1/64 ,  H04N1/642 ,  H04N2201/0081

摘要： An image compressing device includes: a histogram creating unit configured to create a histogram regarding an input image; an original type recognizing unit configured to recognize an original type of the input image using the histogram; and an image compressing unit configured to perform a compression process for creating a high-compressed image file from the input image and to control a compression mode of the compression process depending on at least the original type recognized by the original type recognizing unit.

公开(公告)号：US20170054873A1

公开(公告)日：2017-02-23

申请号：US15238751

申请日：2016-08-17

申请人： Satoshi OUCHI ,  Takuji KAMADA ,  Hiroyuki SAKUYAMA

发明人： Satoshi OUCHI ,  Takuji KAMADA ,  Hiroyuki SAKUYAMA

IPC分类号： H04N1/411 ,  H04N1/64 ,  H04N1/00

CPC分类号： H04N1/411 ,  H04N1/00023 ,  H04N1/00037 ,  H04N1/00082 ,  H04N1/407 ,  H04N1/648 ,  H04N2201/0094

摘要： An image processing system includes: an image recording unit configured to record an output image corresponding to an input image on a recording medium; an image compression unit configured to compress the input image for transmission; and a determining unit configured to determine whether the input image is a color image or a monochrome image according to a first determination rule if the output image is to be recorded on the recording medium, and determine whether the input image is the color image or the monochrome image according to a second determination rule different from the first determination rule if the input image is to be compressed for transmission.

摘要翻译： 图像处理系统包括：图像记录单元，被配置为将与输入图像相对应的输出图像记录在记录介质上; 图像压缩单元，被配置为压缩所述输入图像以进行传输; 以及确定单元，被配置为如果输出图像要被记录在记录介质上，则根据第一确定规则来确定输入图像是彩色图像还是单色图像，并且确定输入图像是彩色图像还是 如果输入图像要被压缩以便传输，则根据与第一确定规则不同的第二确定规则的单色图像。

公开(公告)号：US20170270359A1

公开(公告)日：2017-09-21

申请号：US15457143

申请日：2017-03-13

申请人： Satoshi OUCHI ,  Takuji Kamada

发明人： Satoshi OUCHI ,  Takuji Kamada

IPC分类号： G06K9/00 ,  H04N1/409 ,  G06K9/46 ,  G06K9/44 ,  G06K9/38 ,  H04N1/40 ,  H04N1/407

CPC分类号： G06K9/00463 ,  G06K9/38 ,  G06K9/44 ,  G06K9/4642 ,  G06K2209/01 ,  H04N1/40062 ,  H04N1/4074 ,  H04N1/4092 ,  H04N1/58 ,  H04N2201/0094

摘要： A document type recognition apparatus includes an image region separation unit, a smoothing unit, an edge enhancement unit, a histogram creation unit, and a document type recognition unit. The image region separation unit outputs a signal indicative of each region obtained by separating an input image into a character region and a pattern region. The smoothing unit performs smoothing processing to remove halftone dots of a particular number of lines or greater in the pattern region of the input image. The edge enhancement unit outputs an image subjected to edge enhancement processing depending on an amount of edge on an edge portion of the character region in the input image subjected to the smoothing processing. The histogram creation unit creates a histogram of the image subjected to the edge enhancement processing. The document type recognition unit recognizes a document type of the input image by utilizing the histogram.

公开(公告)号：US20120229727A1

公开(公告)日：2012-09-13

申请号：US13325919

申请日：2011-12-14

申请人： Seiji MURATA ,  Satoshi OUCHI

发明人： Seiji MURATA ,  Satoshi OUCHI

IPC分类号： G02F1/1335 ,  F21V7/04 ,  F21V7/00

CPC分类号： F21S2/00 ,  F21V13/04 ,  G02B6/0046 ,  G02B6/0096

摘要： The object of the present invention is to achieve weight reduction of an illumination device and uniformization of luminance distribution. The illumination device (backlight unit) comprises a linear light source, a reflecting layer and an outlet layer. The reflecting layer and the outlet layer face each other via space. The linear light source is arranged at an end of the space. The outlet layer is formed as a semi-transmissive layer which transmits part of incident light while reflecting part of the incident light. The cross-sectional shape of the reflecting layer has an apex, which is concave in an illuminating direction, in a section from a position close to the linear light source to a central position of the reflecting layer and an inflection point in a section from the apex to a distal end of the reflecting layer.

摘要翻译： 本发明的目的是实现照明装置的重量减轻和亮度分布的均匀化。 照明装置（背光单元）包括线性光源，反射层和出射层。 反射层和出射层通过空间彼此面对。 线性光源设置在空间的一端。 出射层形成为透射部分入射光同时反射入射光的一部分的半透射层。 反射层的横截面形状在从靠近线状光源的位置到反射层的中心位置的部分中具有在照明方向上为凹面的顶点和从反射层的截面形状的部分的拐点 顶点到反射层的远端。

公开(公告)号：US20110242498A1

公开(公告)日：2011-10-06

申请号：US12912555

申请日：2010-10-26

申请人： Tadayoshi KOSAKA ,  Satoshi OUCHI ,  Mayumi NAGAYOSHI ,  Yoshiho SEO ,  Tomoki KOBORI

发明人： Tadayoshi KOSAKA ,  Satoshi OUCHI ,  Mayumi NAGAYOSHI ,  Yoshiho SEO ,  Tomoki KOBORI

IPC分类号： G02B27/48 ,  G03B21/14

CPC分类号： G03B33/12 ,  G02B27/104 ,  G02B27/48 ,  G02F1/1313 ,  G02F1/134336 ,  G02F1/141 ,  G03B21/008 ,  G03B21/14 ,  G03B21/2033 ,  H04N9/3129 ,  H04N9/3132 ,  H04N9/3135

摘要： A projector using coherent light as a light source includes: one or more coherent light sources emitting coherent light beams; a beam scanner which changes a direction of the coherent light beam; and a beam splitter which splits a beam into multiple segments and changes a phase of light of each split segment, the beam splitter being located in an optical path between the beam scanner and the coherent light source. This projector reduces speckle noises. The beam splitter includes a pair of transparent substrates; a plurality of parallel electrodes disposed on each surface of the pair of transparent substrates, the pair of the parallel electrodes being disposed in a perpendicular direction to each other. Voltages are applied to the respective electrodes at predetermined time intervals so as to produce different potentials in a liquid crystal sandwiched by the transparent substrates.

摘要翻译： 使用相干光作为光源的投影仪包括：发射相干光束的一个或多个相干光源; 改变相干光束的方向的光束扫描器; 以及分束器，其将光束分成多个段并改变每个分割段的光的相位，所述分束器位于光束扫描器和相干光源之间的光路中。 本投影机可减少斑点噪音。 分束器包括一对透明基板; 设置在所述一对透明基板的每个表面上的多个平行电极，所述一对平行电极彼此垂直设置。 电压以预定的时间间隔施加到各个电极，以便在由透明基板夹持的液晶中产生不同的电位。