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1. 发明专利

JP2012237798A Multidirectional projection system and multidirectional projection method 有权
标题翻译：多向投影系统和多向投影方法
公开(公告)号：JP2012237798A
公开(公告)日：2012-12-06
申请号：JP2011105148
申请日：2011-05-10
申请人： Nippon Telegr & Teleph Corp , 日本電信電話株式会社 , Tohoku Univ , 国立大学法人東北大学
发明人： ISO KAZUYUKI , OZAWA SHIRO , YAO YASUHIRO , UCHIDA TATSUO , SUZUKI YOSHITO , KAWAKAMI TORU , KATAGIRI BAKU
IPC分类号： G03B21/10 , H04N5/74
摘要： PROBLEM TO BE SOLVED: To provide a multidirectional system capable of projecting, in a plurality of directions, different videos according to the corresponding directions without limiting a projection angle, shortening a projection distance and making the entire system compact.SOLUTION: A multidirectional projection system 101 comprises: a screen 1; and a plurality of projectors 2 arranged behind the screen 1 and configured to project video light beam K3 spread over a predetermined range onto a screen 1 at different angles. The screen 1 emits the video light beam K3 of each projector 2 forward as diffusion light 51 of the same diffusion angle range for each of the projector 2. The diffusion light of at least two of the projectors 2 is superposed, thereby composing a video in a specific direction based on the at least two diffusion light beams K3.
摘要翻译：要解决的问题：提供一种多方向系统，其能够在多个方向上根据相应的方向投影不同的视频，而不会限制投影角度，缩短投影距离并使整个系统变得紧凑。解决方案：多向投影系统101包括：屏幕1; 以及布置在屏幕1后面并被配置为将以预定范围分散的视频光束K3以不同角度投影到屏幕1上的多个投影仪2。屏幕1将每个投影仪2的视频光束K3向前发射，作为对于投影仪2的扩散角范围相同的扩散角范围的扩散光51.至少两个投影仪2的扩散光被叠加，从而构成视频基于至少两个漫射光束K3的特定方向。版权所有（C）2013，JPO＆INPIT

2. 发明专利

JP2012042599A Reflective front screen having recursive property and reflective screen for stereoscopic display 有权
标题翻译：具有回收性的反光镜片和立体显示器的反射屏幕
公开(公告)号：JP2012042599A
公开(公告)日：2012-03-01
申请号：JP2010182313
申请日：2010-08-17
申请人： Nippon Telegr & Teleph Corp , Tohoku Univ , 国立大学法人東北大学 , 日本電信電話株式会社
发明人： TAKADA HIDEAKI , DATE MUNEKAZU , UCHIDA TATSUO , KAWAKAMI TORU , ISHINABE TAKAHIRO , KATAGIRI BAKU
IPC分类号： G03B21/60 , G02B5/02 , G02B5/08 , G02B5/09 , G02B5/122 , G02B27/22 , G03B21/00 , G03B21/14 , G03B35/24
摘要： PROBLEM TO BE SOLVED: To provide a reflective front screen having recursive property and a reflective screen for stereoscopic display that allow a user to watch a video image in which the user projects exclusively in high quality without a crosstalk with an image in which other users project even in a case where a plurality of users project different images using personal projectors to a single screen from respective watching positions.SOLUTION: A screen laminated body formed by laminating a plurality of screens made of an internal refractive index distribution structure diffusion film having a top hat diffusion property independent of an incident angle in a predetermined incident angle region and a transparent property instead of the diffusion property outside the predetermined incident angle region is tightly laminated on a reflective film having a retroreflective property. The plurality of screens have respectively different incident angle regions.
摘要翻译：要解决的问题：为了提供具有递归性质的反射前屏幕和用于立体显示的反射屏幕，其允许用户观看用户以高质量专门投射的视频图像，而不与其中的图像串扰即使在多个用户使用个人投影仪将不同的图像投射到来自各个观看位置的单个屏幕的情况下，其他用户也会进行投影。解决方案：一种屏幕层叠体，其通过层叠由内折射率分布结构扩散膜制成的多个屏幕，所述多个屏幕具有与预定入射角区域中的入射角无关的顶帽扩散特性，而不是透明特性在预定入射角区域外的扩散特性紧密层压在具有回射性能的反射膜上。多个屏幕分别具有不同的入射角区域。版权所有（C）2012，JPO＆INPIT

3. 发明专利

JP2014191128A Multi-directional video display device and a multi-directional image display method 有权
标题翻译：多方向视频显示设备和多方向视频显示方法
公开(公告)号：JP2014191128A
公开(公告)日：2014-10-06
申请号：JP2013065358
申请日：2013-03-27
申请人： Nippon Telegr & Teleph Corp , 日本電信電話株式会社 , Tohoku Univ , 国立大学法人東北大学
发明人： OZAWA SHIRO , TAKADA HIDEAKI , DATE MUNEKAZU , YAO YASUHIRO , SAEGUSA TOMOFUMI , UCHIDA TATSUO , SUZUKI YOSHITO , KANO MITSURU , KAWAKAMI TORU , NASU SENSHI , ISHINABE TAKAHIRO , SHINOI MUTSUMI
IPC分类号： G03B21/10 , G03B21/60 , G03B21/62 , G09G5/00 , H04N5/74
摘要： PROBLEM TO BE SOLVED: To provide a multi-directional video display device that can reduce an area unsuitable for observation and solve the problem in which: an observable area becomes farther as the size of a screen increases.SOLUTION: A multi-directional video display device includes a screen on which a video is displayed, and a plurality of projectors that are arranged behind the screen and project video light relative to the screen at a projection angle different from each other. The screen includes captured video angle changing means for changing the angle of the video light so that parts of adjacent observable areas of the video light from the respective projectors are brought into contact with each other.
摘要翻译：要解决的问题：提供一种可以减少不适合观察的区域的多方向视频显示装置，并解决以下问题：随着屏幕尺寸的增加，可观察区域变得更远。解决方案：多方向视频显示设备包括显示视频的屏幕和布置在屏幕后面的多个投影仪，并以相互不同的投影角相对于屏幕投影视频光。屏幕包括用于改变视频光的角度的捕获的视频角度改变装置，使得来自各个投影仪的视频光的相邻可观察区域的部分彼此接触。

4. 发明专利

JP2012042598A Reflective front screen having recursive property and reflective screen for stereoscopic display 有权
标题翻译：具有回收性的反光镜片和立体显示器的反射屏幕
公开(公告)号：JP2012042598A
公开(公告)日：2012-03-01
申请号：JP2010182312
申请日：2010-08-17
申请人： Nippon Telegr & Teleph Corp , Tohoku Univ , 国立大学法人東北大学 , 日本電信電話株式会社
发明人： TAKADA HIDEAKI , DATE MUNEKAZU , UCHIDA TATSUO , KAWAKAMI TORU , ISHINABE TAKAHIRO , KATAGIRI BAKU
IPC分类号： G03B21/60 , G02B5/08 , G02B5/09 , G02B5/122 , G02B27/22 , G03B21/00 , G03B21/14 , G03B35/24
摘要： PROBLEM TO BE SOLVED: To provide a reflective front screen having recursive property and a reflective screen for stereoscopic display that allow a user to watch a video image in which the user projects exclusively in high quality without a crosstalk with an image in which other users project even in a case where a plurality of users project different images using personal projectors to a single screen from respective watching positions.SOLUTION: The present invention relates to a reflective screen 4 having recursive property, and the reflective screen 4 has a reflective and diffusive property for diffusing and reflecting an image on which a surface structure of a reflection surface is projected to a direction to which the image is projected.
摘要翻译：要解决的问题：为了提供具有递归性质的反射前屏幕和用于立体显示的反射屏幕，其允许用户观看用户以高质量专门投射的视频图像，而不与其中的图像串扰即使在多个用户使用个人投影仪将不同图像从各个观看位置投影到单个屏幕的情况下，其他用户也会投射。解决方案：本发明涉及具有递归特性的反射屏4，并且反射屏4具有反射和漫射特性，用于将反射表面的表面结构投影到其上的方向扩散和反射图像投影图像。版权所有（C）2012，JPO＆INPIT

5. 发明专利

JP2013161034A Image display device, image display method, and program 审中-公开
标题翻译：图像显示装置，图像显示方法和程序
公开(公告)号：JP2013161034A
公开(公告)日：2013-08-19
申请号：JP2012025009
申请日：2012-02-08
申请人： Nippon Telegr & Teleph Corp , 日本電信電話株式会社 , Tohoku Univ , 国立大学法人東北大学
发明人： OZAWA SHIRO , YAO YASUHIRO , SAEGUSA TOMOFUMI , UCHIDA TATSUO , SUZUKI YOSHITO , KANO MITSURU , KAWAKAMI TORU , NASU SENSHI , ISHINABE TAKAHIRO
IPC分类号： G03B21/14 , H04N5/74
摘要： PROBLEM TO BE SOLVED: To reduce distortion of an image generated by observing at an observation angle not facing a display screen, in a multidirectional image display device.SOLUTION: An image display device includes: a multidirectional image display unit for displaying image signals output from a plurality of imaging devices for imaging a subject at predetermined imaging angles different from each other, to a common display screen so as to observe the imaging signals only in an observation area corresponding to the imaging angles of the imaging devices having output the imaging signals; and a correction unit for correcting visual distortion of an image generated according to an observation angle to the display screen in observing the image, for each of the plurality of image signals.
摘要翻译：要解决的问题：在多向图像显示装置中，通过在不面向显示屏的观察角度观察产生的图像的失真。解决方案：图像显示装置包括：多向图像显示单元，用于显示从多个成像装置，用于将预定成像角度彼此不同的被摄体成像到公共显示屏幕，以便仅在与输出成像信号的成像装置的成像角度对应的观察区域中观察成像信号; 以及校正单元，用于针对所述多个图像信号中的每一个，校正在观察图像时根据与所述显示屏幕的观察角度生成的图像的视觉失真。

6. 发明专利

JP2011142065A Illumination device and display device 有权
标题翻译：照明装置和显示装置
公开(公告)号：JP2011142065A
公开(公告)日：2011-07-21
申请号：JP2010088763
申请日：2010-04-07
申请人： Sony Corp , Tohoku Univ , ソニー株式会社 , 国立大学法人東北大学
发明人： UCHIDA TATSUO , ISHINABE TAKAHIRO , KAWAKAMI TORU , OKUYAMA KENTARO , NAGATANI SHINPEI , HIRUKOI AKIRA , IKEDA MASAHIRO
IPC分类号： F21S2/00 , F21V7/00 , F21V7/22 , G02B5/02 , G02F1/13 , G02F1/1334 , G02F1/13357 , G02F1/1343
CPC分类号： G02F1/1334 , G02F1/133611 , G02F1/134309 , G02F2001/133601
摘要： PROBLEM TO BE SOLVED: To provide an illumination device capable of raising a modulation ratio, equalizing in-plane luminance, and to provide a display device with the same.
SOLUTION: A light modulation layer 34 including a bulk 34A and fine particles 34B is provided inside of a light modulating element 30 adhered to a light guide plate 10. Both of the bulk 34A and the fine particles 34B have optical anisotropy, and have the responding speed different from each other relative to an electric field. A lower side electrode 32 and an upper side electrode 36 for applying the electric field to the bulk 34A and the fine particles 34B are provided inside of the light modulating element 30. The lower side electrode 32 and the upper side electrode 36 are formed of a plurality of belt-like partial electrodes 32A and 36A. At least one of the partial electrodes 32A and 36A is formed with a pattern, and pattern density of the electrode formed with a pattern among the electrodes is set to be different depending on a distance from a light source 20.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够提高调制比，均匀平面内亮度的照明装置，并提供具有该照明装置的显示装置。解决方案：在粘附到导光板10的光调制元件30的内部设置包括主体34A和微粒34B的光调制层34.本体34A和微粒34B都具有光学各向异性，并且具有相对于电场彼此不同的响应速度。在光调制元件30的内部设置用于将电场施加到主体34A和微粒34B的下侧电极32和上侧电极36.下侧电极32和上侧电极36由多个带状部分电极32A和36A。部分电极32A和36A中的至少一个形成有图案，并且根据与光源20的距离将在电极中形成有图案的电极的图案密度设置为不同。版权所有（ C）2011，JPO＆INPIT

7. 发明专利

JP2011119210A Illuminating device and display unit 有权
标题翻译：照明设备和显示单元
公开(公告)号：JP2011119210A
公开(公告)日：2011-06-16
申请号：JP2010088174
申请日：2010-04-06
申请人： Sony Corp , Tohoku Univ , ソニー株式会社 , 国立大学法人東北大学
发明人： UCHIDA TATSUO , ISHINABE TAKAHIRO , KAWAKAMI TORU , OKUYAMA KENTARO , SATO HARUMI
IPC分类号： F21S2/00 , F21V9/10 , F21Y101/02 , G02F1/13 , G02F1/1334 , G02F1/13357
CPC分类号： G02F1/1334
摘要： PROBLEM TO BE SOLVED: To provide an illuminating device and a display unit, which increase the luminance of display while reducing leakage of light in a wide visibility angle range. SOLUTION: A light modulation layer 34 including a bulk 34A and fine particles 34B is disposed in a light modulation element 30 bonded to a light guide plate 10. The bulk 34A and the fine particles 34B are optically anisotropic and are different from each other in speed of response to their electric fields. Thus, it becomes possible to make the orientations of optical axes of the bulk 34A and the fine particles 34B by controlling the electric fields match each other or differ from each other. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种照明装置和显示单元，其增加显示的亮度，同时减少在宽的可见度范围内的光的泄漏。解决方案：包含本体34A和细颗粒34B的光调制层34设置在结合到导光板10的光调制元件30中。本体34A和微粒34B是光学各向异性的，并且与每个其他的反应速度对他们的电场。因此，通过控制电场彼此匹配或彼此不同，可以使本体34A和微粒34B的光轴的取向成为可能。版权所有（C）2011，JPO＆INPIT

8. 发明专利

JP2009169140A Optical element 有权
标题翻译：光学元件
公开(公告)号：JP2009169140A
公开(公告)日：2009-07-30
申请号：JP2008007676
申请日：2008-01-17
申请人： Dainippon Screen Mfg Co Ltd , Tohoku Univ , 国立大学法人東北大学 , 大日本スクリーン製造株式会社
发明人： MIYAKE TAKASHI , OKAZAKI MASAHIDE , UCHIDA TATSUO , KAWAKAMI TORU , KATAGIRI BAKU , KURATOMI YUHEI
IPC分类号： G02B5/02 , G02B3/00 , G02B5/00 , G02F1/1335 , G03B21/62
摘要： PROBLEM TO BE SOLVED: To facilitate manufacturing by solving overhang of a lens face in enlarging a vertical viewing angle produced with an optical element of a conventional lens array mode. SOLUTION: The optical element is formed by aligning a refractive lens face 4 and a lens unit 10 having a nonaxisymmetric total reflection lens face 5 with a focus F in the vicinity of the lens surface center of the refractive lens face, wherein in the alignment, a plurality of kinds of lens units with mutually different main light beam directions 32 of the diffusion pencil of light beams 7 are mixed with one another. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：通过在扩大由常规透镜阵列模式的光学元件产生的垂直视角的同时解决透镜面的突出来促进制造。解决方案：通过使折射透镜面4和具有非对称全反射透镜面5的透镜单元10与折射透镜面的透镜表面中心附近的焦点F对准来形成光学元件，其中，对准，光束7的漫射笔的主光束方向32彼此不同的多种透镜单元彼此混合。版权所有（C）2009，JPO＆INPIT

9. 发明专利

JP2008158046A Iris surface space-division color filter, transmittance control type space-division iris, time-control type space-division iris, and image pick-up device 审中-公开
标题翻译： IRIS表面空间色彩过滤器，发射控制类型空间分辨率IRIS，时间控制类型空间分辨率IRIS和图像拾取器件
公开(公告)号：JP2008158046A
公开(公告)日：2008-07-10
申请号：JP2006344221
申请日：2006-12-21
申请人： Tohoku Univ , 国立大学法人東北大学
发明人： UCHIDA TATSUO , KAWAKAMI TORU , SUZUKI YOSHITO
IPC分类号： G02B5/20 , G03B9/08 , H04N9/07
摘要： PROBLEM TO BE SOLVED: To propose a color filter capable of constructing a spectroscopic section with which a clear image is picked-up by using one solid state imaging device, and to provide an iris, and an image pick-up device using the color filter.
SOLUTION: The iris surface space-division color filter is formed by arranging a single plate having a spectral filter with a plurality of electronic shutters attached thereto, or laminated multiple plates each having the same, provided inside an iris surface of an image optical system or inside a surface positioned in the vicinity of the iris surface. A time-control type space-division iris, a transmittance control type space-division iris, and the imaging device using the color filter are proposed.
COPYRIGHT: (C)2008,JPO&INPIT

10. 发明专利

JP2007334137A Holographic diffusion plate and its manufacturing method 审中-公开
标题翻译：全息扩散板及其制造方法
公开(公告)号：JP2007334137A
公开(公告)日：2007-12-27
申请号：JP2006167648
申请日：2006-06-16
申请人： Nitto Denko Corp , Tohoku Univ , 国立大学法人東北大学 , 日東電工株式会社
发明人： UCHIDA TATSUO , KAWAKAMI TORU , YAMADA ATSUSHI
IPC分类号： G02B5/32 , G02F1/1335
摘要： PROBLEM TO BE SOLVED: To provide a holographic diffusion plate by which diffused light having the objective light diffusing characteristic can be reproduced without using a complicated algorithm to be used when a computer-synthesized hologram is designed and which has high resolution, and to provide a method for manufacturing the holographic diffusion plate. SOLUTION: The holographic diffusion plate has a holographic layer for reproducing the objective reproduced light as diffused light. The holographic layer is composed of two or more regions each of which has phase information and amplitude information for reproducing the diffused light of predetermined average light intensity in a predetermined view angle zone. One region has the phase information different from that of another region at the least. The area occupied by each region is set according to the ratio of the average light intensity in each region to that in the whole region. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种全息漫射板，通过该全息漫射板，可以在不设计计算机合成的全息图并且具有高分辨率的情况下不使用复杂的算法来再现具有目标光漫射特性的漫射光，并且以提供制造全息漫射板的方法。解决方案：全息漫射板具有用于将目标再现光再现为漫射光的全息层。全息图层由两个以上的区域组成，每个区域具有相位信息和振幅信息，用于在预定的视角区域再现预定的平均光强度的漫射光。一个区域至少具有与另一区域不同的相位信息。根据各区域的平均光强度与整个区域的平均光强度的比例来设定各区域所占的面积。版权所有（C）2008，JPO＆INPIT

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