公开(公告)号：US20070229453A1

公开(公告)日：2007-10-04

申请号：US11762310

申请日：2007-06-13

申请人： Sukekazu Aratani ,  Ikuo Hiyama ,  Masaya Adachi ,  Tsunenori Yamamoto ,  Katsumi Kondo

发明人： Sukekazu Aratani ,  Ikuo Hiyama ,  Masaya Adachi ,  Tsunenori Yamamoto ,  Katsumi Kondo

IPC分类号： G09G3/36

CPC分类号： G09G3/342 ,  G02F1/133604 ,  G02F1/134363 ,  G09G2300/0434 ,  G09G2310/024 ,  G09G2320/103

摘要： A liquid crystal display apparatus includes a liquid crystal display unit for displaying image signals, a lighting device including a light-adjustment unit for adjusting a quantity of light from a light source, which is transmitted to each of plural regions into which the lighting device is divided for illuminating corresponding plural illumination regions of an entirety of a display area of the liquid crystal display unit, and a control unit. The control unit controls each light-adjustment unit in synchronization with horizontal synchronization signals and vertical synchronization signals, so that the adjusted light quantity of individual ones of the plural regions of the divided lighting device is shifted among the plural regions and an individual illumination region of the plural illumination regions of the entirety of the display area of the liquid crystal display unit is correspondingly shifted therewith.

摘要翻译： 一种液晶显示装置，包括用于显示图像信号的液晶显示单元，一个照明装置，包括调节单元，用于调节来自光源的光量，该光调节单元被传输到照明装置所在的多个区域 划分为用于照亮液晶显示单元的显示区域的整体的对应的多个照明区域和控制单元。 控制单元与水平同步信号和垂直同步信号同步地控制每个调光单元，使得分开的照明装置的多个区域中的各个区域的调节光量在多个区域之间移动，并且单独的照明区域 液晶显示单元的显示区域的整体的多个照明区域相应地偏移。

公开(公告)号：US20060125978A1

公开(公告)日：2006-06-15

申请号：US11346328

申请日：2006-02-03

申请人： Ikuo Hiyama ,  Makoto Tsumura ,  Masaya Adachi ,  Katsumi Kondo ,  Jun-ichi Hirakata ,  Yuji Mori

发明人： Ikuo Hiyama ,  Makoto Tsumura ,  Masaya Adachi ,  Katsumi Kondo ,  Jun-ichi Hirakata ,  Yuji Mori

IPC分类号： G02F1/1335

CPC分类号： G02F1/133615 ,  G02F1/133536 ,  G02F2001/133531 ,  G02F2001/133543

摘要： A liquid crystal display device includes an illumination device, a light control element arranged at a projected light side of the illumination device, a reflective polarizer arranged at an upper portion of the light control element so that the transmission axis of polarized light is adjusted, a liquid crystal display element for controlling polarization of projected light projected from the reflective polarizer, and a screen arranged at an upper portion of the liquid crystal display element. The light control element includes an isotropic medium without birefringence.

摘要翻译： 液晶显示装置包括照明装置，配置在照明装置的投射光侧的光控制元件，设置在光控制元件的上部的反射偏振片，使得偏振光的透射轴被调整， 液晶显示元件，用于控制从反射偏振器投射的投影光的偏振，以及屏幕，布置在液晶显示元件的上部。 光控制元件包括不具有双折射性的各向同性介质。

公开(公告)号：US06709122B2

公开(公告)日：2004-03-23

申请号：US10403057

申请日：2003-04-01

申请人： Masaya Adachi ,  Ikuo Hiyama ,  Makoto Tsumura ,  Shusuke Endo

发明人： Masaya Adachi ,  Ikuo Hiyama ,  Makoto Tsumura ,  Shusuke Endo

IPC分类号： G01D1128

CPC分类号： G02B6/0021 ,  G02B6/0031 ,  G02B6/0043 ,  G02B6/0046 ,  G02B6/0051 ,  G02B6/0053 ,  G02B6/0055 ,  G02B6/0065 ,  G02B6/0068 ,  G02B6/0071 ,  G02B6/0076 ,  G02B6/0078 ,  G02F1/133604 ,  G02F1/133606 ,  G02F1/133611 ,  G02F2001/133507 ,  G02F2001/133607 ,  G09G3/342 ,  G09G3/3426 ,  G09G3/3611 ,  G09G2310/024 ,  G09G2320/0261 ,  Y10S362/80 ,  Y10S385/901

摘要： A lighting unit including a plurality of linear or bar-shaped light sources arranged in parallel, a light-guiding plate having a plurality of grooves to accommodate the light sources, a light diffuse reflector provided at either one side of the light-guiding plate, a first light diffuser provided at the side opposite to that which faces the light diffuse reflector of the light-guiding plate, and a light semi-transmitting reflector provided between each light source and the light diffuser. A second light diffuser is located with a clearance at the side opposite to that which faces the light-guiding plate of the first light diffuser.

摘要翻译： 一种照明单元，包括并排布置的多个线状或棒状光源，具有多个槽以适应光源的导光板，设置在导光板的一侧的光漫反射反射器， 设置在与导光板的光漫反射器相对的一侧的相反侧的第一光漫射器，以及设置在每个光源和光扩散器之间的光半透射反射器。 第二光漫射器在与第一光扩散器的导光板相对的一侧相对的一侧具有间隙。

公开(公告)号：US06650472B1

公开(公告)日：2003-11-18

申请号：US09743495

申请日：2001-01-10

申请人： Masaya Adachi ,  Makoto Tsumura ,  Ikuo Hiyama ,  Tetsuro Minemura

发明人： Masaya Adachi ,  Makoto Tsumura ,  Ikuo Hiyama ,  Tetsuro Minemura

IPC分类号： G03B2160

CPC分类号： G03B21/10 ,  C03C12/00 ,  G02B3/0012 ,  G02B3/005 ,  G02B3/0056 ,  G02B3/0068 ,  G02B5/0226 ,  G02B5/0242 ,  G02B5/0278 ,  G02B7/025 ,  G02B7/027 ,  G02F1/13318 ,  G02F1/133504 ,  G02F1/133526 ,  G02F1/133634 ,  G02F2001/133627 ,  G02F2001/133638 ,  G03B21/2053 ,  G03B21/208 ,  G03B21/604 ,  H04N9/3105 ,  H04N9/3167

摘要： It is possible eliminate a fringe pattern produced at the time of incidence of polarized light of a light distribution control element, in which stray light derived from outside unnecessary light in a liquid crystal display apparatus or the like can be effectively reduced, and bright, wide viewing angle characteristics can be achieved when the display is viewed at any angle by an observer. In a light distribution control element constituted of a transparent base member, an array of a plurality of micro-lenses (transparent beads) densely arranged on the transparent base member and a light absorbing layer having very small opening portions substantially at focal positions of the micro-lenses, the transparent base member is constituted of a transparent body which is substantially isotropic optically or a transparent body having uniaxial optical anisotropy.

摘要翻译： 可以消除在配光控制元件的偏振光入射时产生的条纹图案，其中可以有效地减少从液晶显示装置等中的外部不必要的光导出的杂散光，并且具有明亮的宽 当观察者以任何角度观看显示时，可以实现视角特性。 在由透明基底构件构成的配光控制元件中，密集地布置在透明基底构件上的多个微透镜（透明珠）的阵列和基本上位于微透镜的焦点位置处具有非常小的开口部分的光吸收层 透明基材由基本上各向同性的透明体或具有单轴光学各向异性的透明体构成。

公开(公告)号：US06561663B2

公开(公告)日：2003-05-13

申请号：US09808942

申请日：2001-03-16

申请人： Masaya Adachi ,  Ikuo Hiyama ,  Makoto Tsumura ,  Shusuke Endo

发明人： Masaya Adachi ,  Ikuo Hiyama ,  Makoto Tsumura ,  Shusuke Endo

IPC分类号： F21V704

CPC分类号： G02B6/0021 ,  G02B6/0031 ,  G02B6/0043 ,  G02B6/0046 ,  G02B6/0051 ,  G02B6/0053 ,  G02B6/0055 ,  G02B6/0065 ,  G02B6/0068 ,  G02B6/0071 ,  G02B6/0076 ,  G02B6/0078 ,  G02F1/133604 ,  G02F1/133606 ,  G02F1/133611 ,  G02F2001/133507 ,  G02F2001/133607 ,  G09G3/342 ,  G09G3/3426 ,  G09G3/3611 ,  G09G2310/024 ,  G09G2320/0261 ,  Y10S362/80 ,  Y10S385/901

摘要： A lighting unit is provided which comprises: a plurality of linear light sources arranged in parallel; light-guiding plates arranged along said light sources; light diffusion means arranged at the top of said light sources and light-guiding plates; and reflection means arranged at the bottom of the light sources; wherein said lighting unit is characterized in that the surface of each light-guiding plate is flat, in that the reverse side of the light-guiding plate includes an inclined face of a curvilinear shape that thins down as the inclined face is more distanced from the light source, and in that when a position relatively near the light source and a position relatively far from the light source, on the reverse side of the light-guiding plate, are inclined by &thgr;n1 and &thgr;f1, respectively, the relationship of &thgr;n1 ≧&thgr;f1 is satisfied and the angle-of-inclination of the thinnest portion on the reverse side of the light-guiding plate is 0 degrees. With this arrangement, supply of a thin lighting unit that is high in luminance and in the in-plane uniformity of luminance can be obtained.

摘要翻译： 提供了一种照明单元，其包括：并联布置的多个线性光源; 沿着所述光源布置的导光板; 光扩散装置设置在所述光源和导光板的顶部; 以及布置在光源底部的反射装置; 其特征在于，所述照明单元的特征在于，每个导光板的表面是平坦的，因为导光板的相反侧包括一个曲面形状的倾斜面，当倾斜面距离 并且当相对靠近光源的位置和相对远离光源的位置在导光板的相反侧上分别倾斜于t 1和t 1时，则t 1 = thetaf1满足，导光板背面最薄部分的倾斜角为0度。 通过这种布置，可以获得亮度高和亮度均匀性高的薄照明单元的供给。

公开(公告)号：US6094240A

公开(公告)日：2000-07-25

申请号：US922754

申请日：1997-09-03

申请人： Ikuo Hiyama ,  Osamu Itoh ,  Katsumi Kondo ,  Masaya Adachi

发明人： Ikuo Hiyama ,  Osamu Itoh ,  Katsumi Kondo ,  Masaya Adachi

IPC分类号： G02B5/30 ,  G02B27/28 ,  G02F1/13 ,  G02F1/1335 ,  G02F1/13357

CPC分类号： G02B5/3016 ,  G02F1/133615 ,  G02F1/13362

摘要： In a polarizing beam converter, a uniaxial anisotropic transparent medium is inserted and supported between isotropic transparent media; and an optical axis of said uniaxial anisotropic transparent medium is arranged almost perpendicular to an incident light beam or an incident face of the incident light beam at an interface between the isotropic transparent medium and the uniaxial anisotropic transparent medium. A half wavelength plate is placed with an inclined angle of 45.degree. relative to a polarization axis for either of a reflected light component or a transmitted light component at the interface. The retractive index of the isotropic medium, n.sub.p, and a refraction index n.sub.e greater than n.sub.0, of the uniaxial anisotropic transparent medium are substantially equal to one another. Further, at the interface of the isotropic medium and the uniaxial anisotropic transparent medium, an incident angle satisfying sin(.theta.).gtoreq.n.sub.0 /n.sub.p for satisfying a total reflection angle.

摘要翻译： 在偏振光束转换器中，单向各向异性透明介质被插入并支撑在各向同性透明介质之间; 并且所述单轴各向异性透明介质的光轴几乎垂直于各向同性透明介质和单轴各向异性透明介质之间的界面处的入射光束或入射光束的入射面。 半波长板相对于反射光分量或界面处的透射光分量的偏振轴以45°的倾斜角放置。 单相各向异性透明介质的各向同性介质的折射率np和大于n0的折射率大致相等。 此外，在各向同性介质和单轴各向异性透明介质的界面处，满足sin（θ）≥n0/ np的入射角以满足全反射角。

公开(公告)号：US08177407B2

公开(公告)日：2012-05-15

申请号：US13312496

申请日：2011-12-06

申请人： Masaya Adachi ,  Ikuo Hiyama ,  Makoto Tsumura ,  Shusuke Endo

发明人： Masaya Adachi ,  Ikuo Hiyama ,  Makoto Tsumura ,  Shusuke Endo

IPC分类号： F21V7/04

CPC分类号： G02B6/0021 ,  G02B6/0031 ,  G02B6/0046 ,  G02B6/0051 ,  G02B6/0053 ,  G02B6/0055 ,  G02B6/0076 ,  G02B6/0078 ,  G02F1/133606 ,  G02F1/133611 ,  G02F2001/133507 ,  G02F2001/133607 ,  G09G3/342 ,  G09G2310/024 ,  G09G2320/0261

摘要： A light unit which includes a plurality of light-emitting diode (LED) light sources arranged in parallel, a light-guiding member arranged on said LED light sources, a light reflecting part for reflecting light from said LED light sources forward, a light diffusion part for outgoing light from the surface of said light-guiding member to outside, and an optical path changing part arranged above said light-diffusion part, wherein a side of said light-guiding member that faces said light diffusion part is flat.

摘要翻译： 一种灯单元，包括并排布置的多个发光二极管（LED）光源，布置在所述LED光源上的导光构件，用于将来自所述LED光源的光向前反射的光反射部，光扩散 从所述导光部件的表面到外部的输出光的一部分，以及布置在所述光扩散部上方的光路改变部，其中所述导光部件的面向所述光漫射部的一侧是平坦的。

公开(公告)号：US07460103B2

公开(公告)日：2008-12-02

申请号：US11053029

申请日：2005-02-09

申请人： Akitoyo Konno ,  Masaya Adachi ,  Daisuke Kajita ,  Tsunenori Yamamoto ,  Katsumi Kondo ,  Tatsuki Inuzuka ,  Ikuo Hiyama ,  Yuka Utsumi

发明人： Akitoyo Konno ,  Masaya Adachi ,  Daisuke Kajita ,  Tsunenori Yamamoto ,  Katsumi Kondo ,  Tatsuki Inuzuka ,  Ikuo Hiyama ,  Yuka Utsumi

IPC分类号： G09G3/36

CPC分类号： G09G3/3426 ,  G09G3/3208 ,  G09G3/3225 ,  G09G3/346 ,  G09G3/3648 ,  G09G2300/023 ,  G09G2300/0434 ,  G09G2300/06 ,  G09G2310/08 ,  G09G2320/0233 ,  G09G2320/0238 ,  G09G2320/0247 ,  G09G2320/028 ,  G09G2320/0285 ,  G09G2320/029 ,  G09G2320/062 ,  G09G2320/064 ,  G09G2320/0646 ,  G09G2320/0653 ,  G09G2320/066 ,  G09G2320/103 ,  G09G2330/021 ,  G09G2360/144 ,  G09G2360/145 ,  G09G2360/16

摘要： The video display apparatus has a light modulation device for forming a picture in accordance with a video signal and a lighting unit for irradiating, on the light modulation device, illumination light necessary to cause it to display the picture. In the apparatus, the lighting unit irradiates the illumination light in sequence of individual plural illumination light source partitive areas, a luminance distribution calculating unit calculates luminance distributions of video signals corresponding to the plural partitive areas to determine illumination light luminance levels of the individual partitive areas, an illumination controller controls rays of the illumination light of individual areas of the lighting unit on the basis of determination by the luminance distribution calculating unit, and a video corrector corrects the video signal inputted to the light modulation device on the basis of the determination by the luminance distribution calculating unit.

摘要翻译： 视频显示装置具有用于根据视频信号形成图像的光调制装置和用于在光调制装置上照射使其显示图像所需的照明光的照明单元。 在该装置中，照明装置按照各个照明光源部分区域照射照明光，亮度分布计算部分计算与多个部分区域对应的视频信号的亮度分布，以确定各个部分区域的照明光亮度水平 照明控制器基于亮度分布计算单元的判定来控制照明单元的各个区域的照明光的光线，并且视频校正器根据通过光调制装置的判定来校正输入到光调制装置的视频信号 亮度分布计算单元。

公开(公告)号：US06883950B2

公开(公告)日：2005-04-26

申请号：US10799656

申请日：2004-03-15

申请人： Masaya Adachi ,  Ikuo Hiyama ,  Makoto Tsumura ,  Shusuke Endo

发明人： Masaya Adachi ,  Ikuo Hiyama ,  Makoto Tsumura ,  Shusuke Endo

IPC分类号： G02B6/00 ,  F21V8/00 ,  F21Y103/00 ,  G02F1/1335 ,  G02F1/13357 ,  F21V7/04 ,  H01L33/00

CPC分类号： G02B6/0021 ,  G02B6/0031 ,  G02B6/0043 ,  G02B6/0046 ,  G02B6/0051 ,  G02B6/0053 ,  G02B6/0055 ,  G02B6/0065 ,  G02B6/0068 ,  G02B6/0071 ,  G02B6/0076 ,  G02B6/0078 ,  G02F1/133604 ,  G02F1/133606 ,  G02F1/133611 ,  G02F2001/133507 ,  G02F2001/133607 ,  G09G3/342 ,  G09G3/3426 ,  G09G3/3611 ,  G09G2310/024 ,  G09G2320/0261 ,  Y10S362/80 ,  Y10S385/901

摘要： A lighting unit having a plurality of light-emitting diode (LED) light sources arranged in parallel, a plurality of light-guiding members arranged along a direction wherein the LED light sources are arranged, a light reflecting part arranged on one side face of the light-guiding members, a light diffusion part arranged on an other side face of the light-guiding members, a light semi-transmitting reflection part arranged between the LED light source and the light diffusion part, and an optical path changing part arranged above the light-guiding members. A side of the light-guiding members that faces the light diffusion part is flat.

摘要翻译： 一种照明单元，具有并排配置的多个发光二极管（LED）光源，沿着配置有所述LED光源的方向配置的多个导光部件，配置在所述LED光源的一个侧面上的光反射部 导光部件，布置在所述导光部件的另一侧面上的光扩散部，配置在所述LED光源与所述光扩散部之间的光半透射反射部，以及配置在所述光导向部件的上方的光路改变部 导光件。 导光部件的面向光扩散部的一侧是平坦的。

公开(公告)号：US06469755B1

公开(公告)日：2002-10-22

申请号：US09429954

申请日：1999-10-29

申请人： Masaya Adachi ,  Ikuo Hiyama ,  Makoto Tsumura

发明人： Masaya Adachi ,  Ikuo Hiyama ,  Makoto Tsumura

IPC分类号： G02F11335

CPC分类号： G02B6/0018 ,  G02B6/002 ,  G02B6/0031 ,  G02B6/0038 ,  G02B6/0053 ,  G02B6/0056 ,  G02B6/0068 ,  G02F1/133617 ,  G02F1/13362

摘要： An illumination apparatus provides an improved light utilization efficiency and improved collimation. The illumination apparatus has a light guide, a collimating unit provided at least on one side of the light guide for collimating rays incident on the light guide, and a light source disposed in the vicinity of the collimating unit and surrounded by a reflector. Preferably, in order for the light guide to be able to emit collimated light uniformly from its emission surface, the light guide has inclined reflecting irregularities or stepwise reflecting plates which are provided directly or via an air gap on a back surface opposite to the emission surface thereof, wherein the inclined reflecting plates are specular-finished at least on the inclined portions.

摘要翻译： 照明装置提供改善的光利用效率和改进的准直。 所述照明装置具有导光体，准直部件设置在所述导光体的至少一侧，用于准直入射在所述导光体上的光线;以及光源，设置在所述准直部件附近并被反射器包围。 优选地，为了使光导能够从其发射面均匀地发出准直光，导光体具有倾斜的反射不规则或逐步反射板，其直接或经由与发射表面相反的背面上的气隙设置 其中，所述倾斜反射板至少在所述倾斜部分上进行镜面抛光。