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1. 发明专利

JP2007065688A Projection type display device and multi-screen display device using the same 有权
标题翻译：投影型显示装置和使用该显示装置的多画面显示装置
公开(公告)号：JP2007065688A
公开(公告)日：2007-03-15
申请号：JP2006306131
申请日：2006-11-13
申请人： Hitachi Advanced Digital Inc , Hitachi Ltd , 株式会社日立アドバンストデジタル , 株式会社日立製作所
发明人： KANBARA TAKASHI , TANAKA KEIICHIRO , SAKAMOTO SHUICHI , EBIHARA MASAYUKI , NAKAO MITSUYA , ICHIKAWA KIMIFUNE , KOBAYASHI KAZUO , SATO TADASHI
IPC分类号： G03B21/14 , G02F1/13 , G03B21/00
摘要： PROBLEM TO BE SOLVED: To lower the heat-resistant temperature of a luminous flux control means for reducing irregular intensity and irregular color caused by the vignetting at the edge of a projection lens, and also to restrain the lowering of contrast caused by stray light. SOLUTION: The projection type display device is equipped with: a light source; a liquid crystal panel; an integrator comprising a first lens array and a second lens array and uniformly illuminating the liquid crystal panel; the projection lens for enlarging and projecting an optically modulated image by the liquid crystal panel onto a screen; and the luminous flux control means for controlling luminous flux made incident on the integrator from the light source between the light source and the integrator. The luminous flux made incident from the peripheral part of the reflection mirror of the light source out of the luminous flux made incident on the integrator from the light source is intercepted by the luminous flux control means. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：降低光通量控制装置的耐热温度，以减少由投影透镜的边缘处的渐晕引起的不规则强度和不规则颜色，并且还抑制由于投影透镜的边缘引起的对比度降低杂散光
解决方案：投影型显示装置配备有：光源; 液晶面板; 积分器，包括第一透镜阵列和第二透镜阵列，并均匀地照射所述液晶面板; 投影透镜，用于将通过液晶面板的光调制图像放大并投影到屏幕上; 以及用于控制从光源和积分器之间的光源入射到积分器的光通量的光通量控制装置。从光源入射到积分器的光通量从光源的反射镜的周边部分入射的光束被光束控制装置截取。版权所有（C）2007，JPO＆INPIT

2. 发明专利

JP2009139876A Video display device and multiple display device 审中-公开
标题翻译：视频显示设备和多显示设备
公开(公告)号：JP2009139876A
公开(公告)日：2009-06-25
申请号：JP2007319058
申请日：2007-12-11
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： ABE FUKUOKU , TANAKA KEIICHIRO , KANBARA TAKASHI , EBIHARA MASAYUKI
IPC分类号： G02F1/13357 , G02B27/28 , G02F1/1335 , G03B21/00
摘要： PROBLEM TO BE SOLVED: To provide a video display device using a large liquid crystal display that performs a reliable large screen display by extending the life of an incidence polarizer and enabling the replacement of a light source. SOLUTION: The video display device includes the light source 1 for emitting light, a polarization conversion element 4 for converting the light emitted from the light source into a predetermined polarization component, an optical shaping part 7 for sharing the polarized light to a predetermined rectangular size, an illumination part 8 for enlargingly projecting the rectangular light, a Fresnel lens 9 for converting the direction of the rectangular light enlargingly projected by the illumination part, a diffusion part 10 for diffusing the outgoing light, and a light modulation part 12 for modulating the light from the diffusion part. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种使用大型液晶显示器的视频显示装置，其通过延长入射偏振器的寿命并且能够更换光源来执行可靠的大屏幕显示。解决方案：视频显示装置包括用于发光的光源1，用于将从光源发射的光转换为预定偏振分量的偏振转换元件4，用于将偏振光共享到光学成形部7 用于放大投影矩形光的照明部分8，用于转换由照明部分放大投射的矩形光的方向的菲涅尔透镜9，用于扩散出射光的漫射部分10以及光调制部分12 用于调制来自扩散部分的光。版权所有（C）2009，JPO＆INPIT

3. 发明专利

JP2005189893A Back projection display 有权
标题翻译：返回投影显示
公开(公告)号：JP2005189893A
公开(公告)日：2005-07-14
申请号：JP2005090461
申请日：2005-03-28
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： OGINO MASANORI , YAMADA TAKEO , IKEDA MIYUKI , SAKAMOTO SHUICHI , ICHIKAWA KIMIFUNE , TAKATSUJI MASAAKI , KURODA SHOJI , KANBARA TAKASHI , TANAKA KEIICHIRO , YOSHIDA TAKAHIKO
IPC分类号： G03B21/62 , G03B21/625
摘要： PROBLEM TO BE SOLVED: To achieve an improvement in a contrast ratio and reduction in speckle disturbance of a light valve type back projection display.
SOLUTION: In the figure, the number 67 stands for a microlenticular lens commonly used for light diffusion in a perpendicular direction and reduction in speckle disturbance, 66 a Fresnel lens, 63 a main lenticular lens, 65 a light diffusion layer, 64 a black stripe layer of 60% area ratio, 69 a light transmission layer, 71 a matte light diffusion element commonly used for reduction in the speckle disturbance and reduction in mirroring disturbance of ambient light. The microlenticular lens 67 and the matte light diffusion element 71 reduces speckle disturbance. The black stripe layer 64 and the matte light diffusion element 71 improves the contrast ratio and reduces the mirroring disturbance of the ambient light.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：实现光阀型背投显示器的对比度的提高和斑点干扰的减少。在图中，数字67表示通常用于垂直方向的光扩散和减少散斑扰动的微关节透镜，66是菲涅耳透镜，63是主柱状透镜，65是光扩散层，64 60％面积比的黑色条纹层，69层透光层，71是通常用于减少斑点干扰和减少环境光的镜像干扰的无光散射元件。微关节透镜67和哑光扩散元件71减少斑点干扰。黑色条纹层64和哑光扩散元件71提高了对比度并且降低了环境光的镜像干扰。版权所有（C）2005，JPO＆NCIPI

4. 发明专利

JP2009162972A Multi-display device 审中-公开
标题翻译：多显示设备
公开(公告)号：JP2009162972A
公开(公告)日：2009-07-23
申请号：JP2008000233
申请日：2008-01-07
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： ABE FUKUOKU , KANBARA TAKASHI , EBIHARA MASAYUKI
IPC分类号： G09F9/40 , G02F1/1333
摘要： PROBLEM TO BE SOLVED: To provide a multi-display device using a plurality of liquid crystal displays with an excellent large screen, at low cost, by reducing seam of adjoining image display units, without spoiling performance of an original image display device.
SOLUTION: Non-display sections located around a display section are arranged so as to overlap with each other. Moreover, they can be arranged in a vertical direction and a horizontal direction, by bevelling four corners of the non-display section.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了以低成本，通过减少邻接的图像显示单元的接缝来提供使用具有优异的大屏幕的多个液晶显示器的多显示装置，而不会破坏原始图像显示装置的性能。
解决方案：布置在显示部分周围的非显示部分彼此重叠。此外，它们可以通过斜切非显示部分的四个角部而在垂直方向和水平方向上布置。版权所有（C）2009，JPO＆INPIT

5. 发明专利

JP2009162999A Image display device and multi-display system 审中-公开
标题翻译：图像显示装置和多显示系统
公开(公告)号：JP2009162999A
公开(公告)日：2009-07-23
申请号：JP2008000458
申请日：2008-01-07
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： EBIHARA MASAYUKI , ABE FUKUOKU , KANBARA TAKASHI , SATO TADASHI
IPC分类号： G09F9/40 , G02F1/1333
摘要： PROBLEM TO BE SOLVED: To provide an excellent large-screen display at a low cost by reducing a joint of adjacent image display devices in a multi-display device using a plurality of liquid crystal displays.
SOLUTION: A planar display has an image display part and a non-display part provided at the outer periphery of the image display part, wherein an optical element for enlarging a display part on the non-display part is provided on the surface of the display part and non-display part on the outer peripheral part adjacent to the display part, to narrow a range of the non-display part.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：通过使用多个液晶显示器减少多显示装置中的相邻图像显示装置的关节，以低成本提供优异的大屏幕显示。解决方案：平面显示器具有设置在图像显示部分的外围的图像显示部分和非显示部分，其中用于放大非显示部分上的显示部分的光学元件设置在表面上的显示部分和非显示部分在与显示部分相邻的外周部分上，以缩小非显示部分的范围。版权所有（C）2009，JPO＆INPIT

6. 发明专利

JP2009169196A Multidisplay device 审中-公开
标题翻译：多媒体设备
公开(公告)号：JP2009169196A
公开(公告)日：2009-07-30
申请号：JP2008008642
申请日：2008-01-18
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： KANBARA TAKASHI , EBIHARA MASAYUKI , ABE FUKUOKU , SATO TADASHI , NAKAGAWA KAZUNARI
IPC分类号： G09G3/36 , G02F1/133 , G02F1/1347 , G09F9/40 , G09G3/20 , G09G3/34
摘要： PROBLEM TO BE SOLVED: To improve image quality by controlling the brightness of a light source, in a multidisplay system device arrayed with a plurality of displays.
SOLUTION: Each image display part constituting this multidisplay device has a backlight unit having the plurality of light sources for forming an image on the image display part, and a luminous energy regulating means for regulating the brightnesses of the light sources in the backlight unit. The lightness of each backlight is individually regulated by the luminous energy regulating means. Further, the light source included in each backlight is controlled in response to an arrangement position thereof.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：通过控制光源的亮度，在具有多个显示器的多显示器系统装置中提高图像质量。构成该多显示装置的各图像显示部具有背光单元，该背光单元具有用于在图像显示部上形成图像的多个光源，以及用于调节背光源中的光源亮度的发光量调节单元单元。每个背光的亮度由光能调节装置分别调节。此外，响应于其布置位置来控制包括在每个背光中的光源。版权所有（C）2009，JPO＆INPIT

7. 发明专利

JP2006039329A Projection type display device and multi-screen system 有权
标题翻译：投影类型显示设备和多屏幕系统
公开(公告)号：JP2006039329A
公开(公告)日：2006-02-09
申请号：JP2004221041
申请日：2004-07-29
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： SHIBUYA SATOSHI , KANBARA TAKASHI , OTOMO SATORU
IPC分类号： G03B21/14 , G02F1/133 , G02F1/1347 , G03B21/00 , G03B21/10
摘要： PROBLEM TO BE SOLVED: To provide a projection type display device having a plurality of light sources alternately lit, wherein the lifetime of the light sources can be prolonged without averaging cumulative lighting time lengths of the plurality of light sources. SOLUTION: The projection display device is provided with a first light source (1A), a second light source (2A), display panels (6A, 6B, and 6C) for modulating light from the first or the second light source, a projection means (8) for projecting light modulated by the display panels onto a screen (9), and a control means (10) performing such control that one of the first and second light sources is selectively lit. The control means (10) performs switching control of the light sources so that the lighting time length of the first light source (1A) and that of the second light source (1b) are mutually different. At this time, the lighting time length of the first light source (1A) or the second light source (1b) is set to a range from 4 hours to ≤2/100 of the lifetime of the light source (the lifetime of the light source which expires by continuous lighting). COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：解决的问题：为了提供具有交替点亮的多个光源的投影型显示装置，其中可以延长光源的寿命而不对多个光源的累积点亮时间的平均值进行平均。＆lt; P＆gt;解决方案：投影显示装置设置有用于调制来自第一或第二光源的光的第一光源（1A），第二光源（2A），显示面板（6A，6B和6C）用于将由显示面板调制的光投射到屏幕（9）上的投影装置（8）和执行第一和第二光源中的一个被选择性点亮的控制的控制装置（10）。控制装置（10）执行光源的切换控制，使得第一光源（1A）和第二光源（1b）的点亮时间长度相互不同。此时，将第一光源（1A）或第二光源（1b）的点亮时间长度设定在光源的寿命的4小时〜≤2/ 100的范围内（光的寿命来源，通过连续照明过期）。版权所有（C）2006，JPO＆NCIPI

8. 发明专利

JP2004171011A Back projection type display 有权
公开(公告)号：JP2004171011A
公开(公告)日：2004-06-17
申请号：JP2004000106
申请日：2004-01-05
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： OGINO MASANORI , YAMADA TAKEO , IKEDA MIYUKI , SAKAMOTO SHUICHI , ICHIKAWA KIMIFUNE , TAKATSUJI MASAAKI , KURODA SHOJI , KANBARA TAKASHI , TANAKA KEIICHIRO , YOSHIDA TAKAHIKO
IPC分类号： G02B3/00 , G02B3/06 , G02B3/08 , G03B21/00 , G03B21/10 , G03B21/62 , G03B21/625
摘要： PROBLEM TO BE SOLVED: To improve a contrast ratio and reduce speckle interference in a light valve system back projection type display.
SOLUTION: In the figure, 67 means a micro lenticular lens both for diverging light in a perpendicular direction and for reducing the speckle interference, 66 means a Fresnel lens, 63 means a principal lenticular lens, 65 means a light diffusing layer, 64 means a black stripe layer whose area rate is ≥60%, 69 means a light transmission layer, and 71 means a mat type light diffusing element both for reducing the speckle interference and for reducing reflection interference by ambient light. The speckle interference is reduced by the lens 67 and the element 71. The contrast rate is improved and the reflection interference by the ambient light is reduced by the layer 64 and the element 71.
COPYRIGHT: (C)2004,JPO

9. 发明专利

JP2001209125A PROJECTION TYPE DISPLAY DEVICE 失效
公开(公告)号：JP2001209125A
公开(公告)日：2001-08-03
申请号：JP2000017832
申请日：2000-01-21
申请人： HITACHI LTD
发明人： WASAI KIYOTAKA , TANAKA KEIICHIRO , KANBARA TAKASHI , ICHIKAWA KIMIFUNE , SAKAMOTO SHUICHI , MATSUDA YUTAKA , SHIAKI TAKUYA , OGINO MASANORI
IPC分类号： G03B21/16
摘要： PROBLEM TO BE SOLVED: To improve the heat-radiating effect of a projection unit. SOLUTION: In a projection type display device incorporating the projection unit, a partitioning plate is provided at the inside of a cabinet, and a heat- insulating plate, the assembly of the projection unit, an air hole and an airtight packing are attached at the partitioning plate, and a discharge flow and an intake flow are completely separated, so that a mixed flow and heat transmission to the side of the intake flow are prevented. Also, a speed change fan and a wind velocity sensor are provided at the discharge port of the cabinet, and the speed of revolution of the speed change fan is controlled by a sensor, and the quick clogging of a filter is prevented, so that a flow rate which is equal to or more than about 1.5 times of a required quantity is secured at the inside of the projection unit over a long term.

10. 发明专利

JPH11102021A LAMP INSTALLATION ADJUSTMENT MECHANISM 失效
公开(公告)号：JPH11102021A
公开(公告)日：1999-04-13
申请号：JP26203097
申请日：1997-09-26
申请人： HITACHI LTD
发明人： SAKAMOTO SHUICHI , IKEDA MIYUKI , TANAKA KEIICHIRO , KURODA SHOJI , KANBARA TAKASHI , ICHIKAWA KIMIFUNE , YAMADA YUICHI
IPC分类号： G03B21/14 , G09F9/00
摘要： PROBLEM TO BE SOLVED: To provide a lamp installation adjustment mechanism which has high luminance usable even for an operational projection display device, whose reliability is high, which is easily adjusted and whose cooling effect is large. SOLUTION: The end part of a lamp main body 11 extended perpendicularl stretching to the plan shown in Fig is held by a lamp holder 18, and the end part of a semicylindrical small cylinder 13 is pushed to U-shaped parts at both end parts of the lamp holder 18 by a coil spring 16a and a wire, and a hemispherical reflection mirror 12 is arranged on a side opposed to the small cylinder 13 and is pushed to the end part of the small cylinder 13 by the coil spring and the sire 14b. Then, a lamp mounting bracket 19 is abutted on the end part of the small cylinder 13, and a semicylindrical middle cylinder 20 is abutted on the lamp mounting bracket 19, and they are clamped by the coil spring 16c and the wire 14c, and a semicylindrical VDF 21 is installed at the lamp mounting bracket 19 at the outside of the middle cylinder 20 so as to make it adjustable in terms of a position by an adjusting screw 22. A blower sends air to the paper surface in a perpendicular direction.

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