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1. 发明专利

JP2003043446A Liquid crystal panel, polarizing plate, optical unit using these, and liquid crystal projector 审中-公开
标题翻译：液晶板，偏光板，使用这些的光学单元和液晶投影仪
公开(公告)号：JP2003043446A
公开(公告)日：2003-02-13
申请号：JP2001229887
申请日：2001-07-30
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： WASAI KIYOTAKA , KATAYAMA TAKESHI , TANAKA KEIICHIRO , SAKAMOTO SHUICHI , ICHIKAWA KIMIFUNE , SUZUKI HITOSHI
IPC分类号： G02B5/30 , G02F1/1333 , G03B21/00 , G03B21/16
摘要： PROBLEM TO BE SOLVED: To suppress the temperature rise in a liquid crystal panel, a polarizing plate or a display device.
SOLUTION: The surface area of a dustproof glass of the liquid crystal panel is increased by making its shape rectangular of which the long side corresponds to a short side of an effective pixel region of a TFT(thin film transistor) substrate. Also, the surface area of the polarizing plate is increased by making its shape rectangular of which the long side corresponds to a short side of a polarized light transmission region aligned with an effective pixel region of the liquid crystal panel.
COPYRIGHT: (C)2003,JPO
摘要翻译：要解决的问题：抑制液晶面板，偏振片或显示装置中的温度升高。解决方案：通过使其长边对应于TFT（薄膜晶体管）衬底的有效像素区域的短边的矩形形状，增加了液晶面板的防尘玻璃的表面积。此外，通过使其长边对应于与液晶面板的有效像素区域对准的偏振光透射区域的短边，其偏振片的表面积增大。

2. 发明专利

JP2009180988A Multi-video display system 审中-公开
标题翻译：多视频显示系统
公开(公告)号：JP2009180988A
公开(公告)日：2009-08-13
申请号：JP2008020571
申请日：2008-01-31
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： ICHIKAWA KIMIFUNE , NAKAGAWA KAZUNARI , SATO TADASHI
IPC分类号： G09F9/40 , G09G5/00 , H04N5/63 , H04N5/64 , H04N5/645 , H04N5/66 , H04N7/18
摘要： PROBLEM TO BE SOLVED: To solve the problem that, in a conventional multi-video display system, wide installation space and large installation cost are required, because it is necessary to incorporate each of unified display devices in a framed mount so that a display screen may be arranged in a predetermined position, and thereby, adequate strength is required for the mount in order to support weight of each of the display devices, and rear space (behind the display devices) and a means for moving such as a ladder are required for a user to connect the display devices together and adjust image quality. SOLUTION: Each of the display devices is divided into a panel unit and the other section. The panel unit is composed of, for example, a display panel section and display panel control circuit section. The other section is placed in a lower position where a user easily operates and adjusts an operation panel by separating it from a large screen display section which is composed of the plurality of panel units. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题为了解决在现有的多视频显示系统中需要宽的安装空间和大的安装成本的问题，由于需要将统一的显示装置中的每一个结合到框架安装件中，使得可以将显示屏布置在预定位置，从而为了支撑每个显示装置和后部空间（显示装置后面）的重量，以及用于移动的装置，诸如用户需要梯形图将显示设备连接在一起并调整图像质量。
解决方案：每个显示设备分为面板单元和另一部分。面板单元由例如显示面板部分和显示面板控制电路部分组成。另一部分放置在用户容易操作的下部位置，并且通过将操作面板与由多个面板单元组成的大屏幕显示部分隔开来来调整操作面板。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

JP2008170985A Liquid crystal projector 有权
标题翻译：液晶投影机
公开(公告)号：JP2008170985A
公开(公告)日：2008-07-24
申请号：JP2007324177
申请日：2007-12-17
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： WASAI KIYOTAKA , KATAYAMA TAKESHI , TANAKA KEIICHIRO , SAKAMOTO SHUICHI , ICHIKAWA KIMIFUNE , SUZUKI HITOSHI
IPC分类号： G02F1/1335 , G02F1/1333 , G03B21/00
摘要： PROBLEM TO BE SOLVED: To suppress increase in the temperature of a liquid crystal panel, a polarizing plate or a display device. SOLUTION: The shape of dust-resistant glass 41a and 41b of the liquid crystal panel is made into a rectangular shape, in which the long side is set as the short side of the effective pixel region of the TFT substrate 23, to make the surface area increase. The polarizing plate is also made into a rectangular shape, in which the long side is set as the short side of the polarization light transmitting region matched with the effective pixel region of the liquid crystal panel and to make the surface area increase. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：抑制液晶面板，偏振片或显示装置的温度升高。解决方案：将液晶面板的防尘玻璃41a和41b的形状制成矩形，其中长边被设置为TFT基板23的有效像素区域的短边，至使表面积增加。偏光板也形成为长边被设定为与液晶面板的有效像素区域配合的偏振光透射区域的短边，并使表面积增加的矩形形状。版权所有（C）2008，JPO＆INPIT

5. 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

6. 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

7. 发明专利

JP2002196302A PROJECTION TYPE DISPLAY DEVICE AND MULTI SCREEN DISPLAY DEVICE 失效
公开(公告)号：JP2002196302A
公开(公告)日：2002-07-12
申请号：JP2000396906
申请日：2000-12-25
申请人： HITACHI LTD , HITACHI VIDEO & INF SYST
发明人： KANBARA TAKASHI , TANAKA KEIICHIRO , SAKAMOTO SHUICHI , EBIHARA MASAYUKI , NAKAO MITSUYA , ICHIKAWA KIMIFUNE , KOBAYASHI KAZUO , SATO TADASHI
IPC分类号： G02F1/13 , G02B27/00 , G02F1/13357 , G03B21/00 , H04N5/74
摘要： PROBLEM TO BE SOLVED: To lower heat resistant temperature of a luminous flux controlling means which lowers irregularities of brightness and color which are caused by the eclipse at the lens edge of projection lens and to reduce the lowering of contrast due to stray light. SOLUTION: This projection type display device is provided with a light source, a liquid crystal panel, an integrator which uniformly illuminates the liquid crystal panel comprising a first lens array and a second lens array, a projection lens which enlarges and projects a light modulation picture from the liquid crystal panel on a screen and the luminous flux controlling means which controls the luminous flux which is made incident to the integrator from the light source in between the light source and integrator. Therein, the incident luminous flux from the peripheral part of a reflection mirror of the light source among the incident luminous flux from the light source to the integrator is shielded by a luminous flux controlling means.

8. 发明专利

JPH06225246A BACK COVER FITTING STRUCTURE 失效
公开(公告)号：JPH06225246A
公开(公告)日：1994-08-12
申请号：JP1226993
申请日：1993-01-28
申请人： HITACHI LTD
发明人： ICHIKAWA KIMIFUNE , TANAKA KEIICHIRO , MATSUBARA CHUICHI
IPC分类号： H04N5/74
摘要： PURPOSE:To facilitate the storage of a back cover and fitting in an installed state in a projection-type display device and to improve workability at the time of maintenance by making fitting screws at the time of storing the back cover in a cabinet and setting it in the installed state to be the same. CONSTITUTION:At the time of storage, the back cover 3 is fixed to a cabinet B part 1b by a back cover fitting screw 4. For setting the back cover in the installed state, the back cover 3 is moved to the position of the installed state, the position of the back cover fitting screw 4 is slided in a sliding groove in a back cover metal fitting 3a, the back cover fitting screws 4 and a washer are put in a groove notched in a cabinet A part 1a, and the washer and the cabinet A part 1a are made so that they are in a sandwiched state so as to decide a screw position. The cabinet 1 and the back cover 3 are fixed by the back cover fitting screws 4. Thus, the fitting screws 4 at the time of storage and installation become equal.

9. 发明专利

JP2001109071A PROJECTION TYPE DISPLAY DEVICE 失效
公开(公告)号：JP2001109071A
公开(公告)日：2001-04-20
申请号：JP28914599
申请日：1999-10-12
申请人： HITACHI LTD , HITACHI VIDEO & INF SYST
发明人： NAKAO MITSUYA , ICHIKAWA KIMIFUNE , SATO TADASHI , TANAKA KEIICHIRO , KANBARA TAKASHI
IPC分类号： H04N5/74 , G03B21/28 , G09F9/00
摘要： PROBLEM TO BE SOLVED: To efficiently correct the distortion of an image reflection mirror installed in a projection type display device. SOLUTION: As for the projection type display device with the mirror for reflecting the image from a projector toward a screen, the device is provided with an adjusting mechanism for changing the flatness of the mirror on the peripheral part of the mirror in accordance with the necessary part unit of the mirror.

10. 发明专利

JPH05165106A PROJECTION TYPE DISPLAY DEVICE 失效
公开(公告)号：JPH05165106A
公开(公告)日：1993-06-29
申请号：JP33034491
申请日：1991-12-13
申请人： HITACHI LTD , HITACHI VIDEO & INF SYST
发明人： NAKAO MITSUYA , TANAKA KEIICHIRO , ICHIKAWA KIMIFUNE , YAMAMOTO AKIO , MATSUBARA CHUICHI
IPC分类号： G03B21/10 , G03B21/62 , H04N5/74
摘要： PURPOSE:To obtain a projection type display device capable of easily performing a loading/unloading operation at the time of loading/unloading a mounting device on which a projection part unit is mounted to/from a display device main body. CONSTITUTION:As to the projection type display device constituted of a display main body A constituted of an upper cabinet 1 having a screen on its front part and a lower cabinet 1a provided with a pair of side frames 6 and for supporting the upper cabinet 1, a projection part unit 9 and the mounting device provided with the projection part unit 9 and capable of freely loading/unloading the projection part unit 9 to/from the lower cabinet 10, a rolling body 11 is provided on either of the side frame 6 and the mounting device, and a rail 12 for engaging with the rolling body 11 is provided on the other side.

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