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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

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

4. 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

5. 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

6. 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
摘要翻译：要解决的问题：提出一种能够构建通过使用一个固态成像装置拾取清晰图像并且提供虹膜的分光部分的滤色器，以及使用滤色镜。解决方案：虹膜表面空间分割滤色器通过将具有光谱滤光器的单板与附着有多个电子百叶窗或者分别设置在其上的图像的虹膜表面内而形成，光学系统或位于虹膜表面附近的表面内。提出了时间控制型空分光圈，透射率控制型空分光圈以及使用滤色器的成像装置。版权所有（C）2008，JPO＆INPIT

7. 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

8. 发明专利

JP2006235403A Unit for variably converting light direction without depending on light wavelength and thin rear projection display optical system 审中-公开
标题翻译：单独转换光方向，不依赖于光波长和后端投影显示光学系统
公开(公告)号：JP2006235403A
公开(公告)日：2006-09-07
申请号：JP2005052073
申请日：2005-02-25
申请人： Tohoku Techno Brains Corp , Tohoku Univ , 国立大学法人東北大学 , 株式会社東北テクノブレインズ
发明人： UCHIDA TATSUO , KATAGIRI BAKU , KAWAKAMI TORU , KURATOMI YUHEI
IPC分类号： G02B13/24 , G03B21/10
摘要： PROBLEM TO BE SOLVED: To provide a unit for variably converting a light direction without depending on a light wavelength, which is capable of realizing a light direction converting means having a light direction conversion characteristic without degrading image quality and without depending on a light wavelength and capable of composing a thin rear projection optical system of high image quality by using the light direction converting means, and to provide a thin rear projection display optical system using the unit.
SOLUTION: The unit 50 for variably converting a light direction comprises one or more optical deflection elements 6 arranged such that achromatic lenses 4 and 5 having positive and negative focal distances respectively or achromatic lenses having positive focal distances are disposed so that their optical axes are almost parallel and the sum of their focal distances and a relative distance in the optical axis direction are almost equal. The thin rear projection display optical system comprises the unit disposed in the system.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种用于可变地转换光方向而不依赖于光波长的单元，其能够实现具有光方向转换特性的光方向转换装置，而不会降低图像质量，而不依赖于并且能够通过使用光方向转换装置构成具有高图像质量的薄的后投影光学系统，并且提供使用该单元的薄的后投影显示光学系统。解决方案：用于可变地转换光方向的单元50包括一个或多个光学偏转元件6，其布置成使得具有正和负焦距的消色差透镜4和5或具有正焦距的消色差透镜被布置成使得它们的光轴几乎平行，它们的焦距和光轴方向上的相对距离之和几乎相等。薄的背投显示光学系统包括设置在系统中的单元。版权所有（C）2006，JPO＆NCIPI

9. 发明专利

JP2017116824A 反射型スクリーン及び映像表示システム有权
公开(公告)号：JP2017116824A
公开(公告)日：2017-06-29
申请号：JP2015254166
申请日：2015-12-25
申请人：国立大学法人東北大学 , Tohoku Univ
发明人： SUZUKI YOSHITO , KAWAKAMI TORU , EBARA KATSUNORI , SHINOI MUTSUMI
IPC分类号： G03B21/60 , G02B3/08 , G02B5/02 , G03B21/00 , H04N5/74
CPC分类号： G02B3/08 , G02B5/02 , G03B21/00 , G03B21/60 , H04N5/74
摘要：【課題】省電力効果が大きくてしかも高コントラストの表示ができる空間結像アイリス面方式の反射型ディスプレイを大型化するために、可搬性に優れ、かつ、視野領域の拡大もできる反射型スクリーンを提供する。【解決手段】基板5と、基板5の正面側を被覆する層をなし、層の表面形状により面内の左右方向と上下方向とで拡散角度が異なる異方性拡散層9と、基板5の背面側を被覆する層をなし、層の正面側が平面状であり、背面側が、レンズ面6aと非レンズ面6bを備え,背面側に凸となる単位レンズが複数配列したフレネルレンズ面形状であり、フレネルレンズ面形状の面が反射面になるレンズ層6と、レンズ層6の背面側の、レンズ面6a、又は、レンズ面6a及び非レンズ面6bを被覆する層をなし、層が高反射率の金属からなる反射層7と、反射層7の背面側を被覆して、反射層7を保護する保護層8と、保護層8の背面側に貼合した保持板10と、を有する。【選択図】図1

10. 发明专利

JP2012247646A Image display device and screen used for the same 审中-公开
标题翻译：图像显示装置和用于其的屏幕
公开(公告)号：JP2012247646A
公开(公告)日：2012-12-13
申请号：JP2011119631
申请日：2011-05-27
申请人： Tohoku Univ , 国立大学法人東北大学
发明人： KAWAKAMI TORU , SUZUKI YOSHITO , KATAGIRI BAKU , ISHINABE TAKAHIRO , UCHIDA TATSUO
IPC分类号： G03B21/60 , G02B3/00 , G02B3/06 , G02B27/02 , G03B21/00
摘要： PROBLEM TO BE SOLVED: To display images to persons present in respective diffusion angle ranges from angles corresponding to the diffusion angle ranges, by projecting a plurality of image light beams from respectively different angles to a screen Sc, and diffusing and radiating the image light beams into respectively different diffusion angle ranges.SOLUTION: A plurality of different image light beams are projected to one screen Sc without an overlap nor a gap from directions in an incident angle ranges. The screen Sc diffuses the plurality of projected different image light beams into respectively different directions without an overlap nor a gap in a plurality of diffusion angle ranges, so that a plurality of different images are displayed on the screen Sc toward respectively different directions.
摘要翻译：要解决的问题：通过将来自分别不同角度的多个图像光束投影到屏幕Sc，将相应扩散角范围内的各个角度的图像显示在与扩散角范围相对应的角度上，并且扩散和辐射图像光束分别成为不同的扩散角范围。解决方案：将多个不同的图像光束投射到一个屏幕Sc，而不会与入射角度范围内的重叠或与方向有间隙。屏幕Sc将多个投影的不同图像光束分散到分别不同的方向上，而不会在多个扩散角范围内重叠或间隙，使得多个不同的图像朝向分别不同的方向显示在屏幕Sc上。版权所有（C）2013，JPO＆INPIT

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