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公开(公告)号：JP2009042373A
公开(公告)日：2009-02-26
申请号：JP2007205430
申请日：2007-08-07
Applicant: Seiko Epson Corp , セイコーエプソン株式会社
Inventor： YAMAUCHI TAISUKE , SAKATA HIDEFUMI , TAKEDA TAKASHI
Abstract: PROBLEM TO BE SOLVED: To provide a projector and a projection device, for surely reducing speckle with simpler constitution.
SOLUTION: The projector is equipped with light sources 10R, 10G and 10B emitting light, optical modulation devices 20R, 20B and 20B modulating the light emitted from the light sources 10R, 10G and 10B in accordance with an image signal, and a projection device 40 projecting the image formed by the optical modulation devices 20R, 20G and 20B to a surface to be projected 50. The projection device 40 includes a first optical system for enlarging the image formed by the optical modulation devices 20R, 20G and 20B and forming an intermediate image, a light diffusion member arranged at a position where the intermediate image is formed and diffusing the light emitted from the first optical system, and a second optical system for enlarging and projecting the light diffused by the light diffusion member to the surface to be projected 50.
COPYRIGHT: (C)2009,JPO&INPITAbstract translation: 要解决的问题：提供一种投影仪和投影装置，以更简单的构成确保减少斑点。
解决方案：投影仪配备有发光的光源10R，10G和10B，根据图像信号调制从光源10R，10G和10B发射的光的光调制装置20R，20B和20B，以及 投影装置40将由光调制装置20R，20G和20B形成的图像投影到要投影的表面50.投影装置40包括用于放大由光调制装置20R，20G和20B形成的图像的第一光学系统和 形成中间图像，布置在形成中间图像的位置并扩散从第一光学系统发射的光的光漫射构件和用于将由光漫射构件漫射的光扩大和投射到表面的第二光学系统 预计50.版权所有（C）2009，JPO＆INPIT
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公开(公告)号：JP2009031657A
公开(公告)日：2009-02-12
申请号：JP2007197541
申请日：2007-07-30
Applicant: Seiko Epson Corp , セイコーエプソン株式会社
Inventor： TAKEDA TAKASHI
Abstract: PROBLEM TO BE SOLVED: To provide a new control method for a light-emitting part and a light-modulating device for a projector. SOLUTION: A frame period includes a plurality of sub-periods, and each sub-period includes a plurality of color periods. A control part of the projector allows the light-emitting part to emit a plurality of color light sequentially in the plurality of color periods in each sub-period. The control part also controls the modulating state of a plurality of light-modulating elements, included in the light-modulating device according to a plurality of pixel data. Specifically, the modulating state of the light-modulating elements in the specific color period in each sub-period is controlled, according to the specific color data included in the pixel data. A first kind of ON period, in which the light modulating elements can be set into the ON state in the specific color period of the first kind of sub-period, is set shorter than a second kind of ON period in which the light-modulating elements can be set into the ON state in the specific color period of the second kind of sub-period. COPYRIGHT: (C)2009,JPO&INPIT
Abstract translation: 要解决的问题：为投影仪的发光部和光调制装置提供新的控制方法。 解决方案：帧周期包括多个子周期，并且每个子周期包括多个颜色周期。 投影仪的控制部分允许发光部分在每个子周期中在多个颜色周期中顺序地发射多个彩色光。 控制部分还根据多个像素数据来控制包括在光调制装置中的多个光调制元件的调制状态。 具体地，根据像素数据中包含的特定颜色数据来控制每个子周期中的特定颜色周期中的光调制元件的调制状态。 在第一种子时间段的特定颜色周期中可以将光调制元件设置为ON状态的第一种ON周期被设定为短于第二种ON时间段，其中光调制 可以在第二种子期间的特定颜色周期中将元素设置为ON状态。 版权所有（C）2009，JPO＆INPIT
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公开(公告)号：JP2008256823A
公开(公告)日：2008-10-23
申请号：JP2007097194
申请日：2007-04-03
Applicant: Seiko Epson Corp , セイコーエプソン株式会社
Inventor： YAMAUCHI TAISUKE , TAKEDA TAKASHI
Abstract: PROBLEM TO BE SOLVED: To provide a light source device configured to avoid the occurrence of a marked luminescent point by zero-order light, and to improve a light utilization efficiency, and to provide a projector.
SOLUTION: The light source device 1 for generating an illuminating light for illuminating an object illumination area on a prescribed surface to be irradiated includes a light source 2 that emits light; a diffraction optical element 4 that diffracts the incident light emitted from the light source 2 and emits the light in a direction different from that of the zero-order light and emits the diffracted light including first diffracted light L2 going toward the object illumination area and second diffracted light L3 traveling toward an area, other than the object illumination area; and a reflecting member 5 that reflects the second diffracted light L3 toward the object illumination area.
COPYRIGHT: (C)2009,JPO&INPITAbstract translation: 要解决的问题：提供一种光源装置，其被配置为通过零级光避免出现标记的发光点，并且提高光利用效率，并提供投影仪。 解决方案：用于产生用于照射要照射的规定表面上的物体照明区域的照明光的光源装置1包括发光的光源2; 衍射光学元件4，其衍射从光源2发射的入射光，并以与零级光不同的方向发射光，并发射包括朝向物体照明区域的第一衍射光L2的衍射光，第二衍射光学元件 衍射光L3朝向对象照明区域以外的区域行进; 以及将第二衍射光L3反射到物体照明区域的反射部件5。 版权所有（C）2009，JPO＆INPIT
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公开(公告)号：JP2008015064A
公开(公告)日：2008-01-24
申请号：JP2006184130
申请日：2006-07-04
Applicant: Seiko Epson Corp , セイコーエプソン株式会社
Inventor： TOYOOKA TAKASHI , YAMAUCHI TAISUKE , SEKI HIDEYA , TAKEDA TAKASHI
Abstract: PROBLEM TO BE SOLVED: To provide an illuminator capable of adjusting an entire image to be easy-to-view with high contrast, and obtaining high utilization efficiency of light rays , and to provide a projector. SOLUTION: The illuminator has a light source part 11R supplying coherent light, and a phase modulation part 13R modulating the phase of the coherent light from the light source part 11R and making it incident on a surface to be irradiated. The phase modulation part 13R changes a phase modulation pattern while generating diffracted light in accordance with the phase modulation pattern of the coherent light, thereby making the light rays, which are adjusted in intensity for every unit area set on the surface to be irradiated, on the surface to be irradiated. COPYRIGHT: (C)2008,JPO&INPIT
Abstract translation: 要解决的问题：提供一种能够以高对比度调整整个图像以容易观看并且获得高的光线利用率的照明器，并提供投影仪。 解决方案：照明器具有提供相干光的光源部分11R和调制来自光源部分11R的相干光的相位并使其入射到待照射的表面上的相位调制部分13R。 相位调制部13R根据相干光的相位调制图案，在产生衍射光的同时改变相位调制图案，从而使设定在被照射面上的每单位面积的强度被调整的光线 要照射的表面。 版权所有（C）2008，JPO＆INPIT
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公开(公告)号：JP2007165562A
公开(公告)日：2007-06-28
申请号：JP2005359495
申请日：2005-12-13
Applicant: Seiko Epson Corp , セイコーエプソン株式会社
Inventor： KOMATSU AKIRA , YONEKUBO MASATOSHI , NAGATA MITSUO , TAKEDA TAKASHI
CPC classification number: H04N9/3129 , G02F2001/3548 , H01S3/109 , H01S5/141 , H01S5/183
Abstract: PROBLEM TO BE SOLVED: To provide a light source device which is capable of projecting a laser beam well, and to provide a projector unit.
SOLUTION: In the light source device of the projector unit, a nonlinear optical element 312 is arranged between a laser beam source 311 and a VBG 313. The VBG 313 is equipped with a Bragg layer 313A that reflects a laser beam of oscillation frequency with a reflection factor of 95% or above, and a first dielectric multilayered film 313B which transmits a laser beam of conversion wavelength. By this setup, the oscillation frequency of a laser beam can be turned into a narrow band by the Bragg layer 313A of the VBG 313, the laser beam can be improved in both oscillation efficiency and wavelength conversion efficiency, and the good laser beam can be projected from the light source device.
COPYRIGHT: (C)2007,JPO&INPITAbstract translation: 要解决的问题：提供一种能够很好地投射激光束并提供投影仪单元的光源装置。 解决方案：在投影仪单元的光源装置中，非线性光学元件312设置在激光束源311和VBG 313之间.BVG 313装备有反射激光束振荡的布拉格层313A 反射率为95％以上的第一电介质多层膜313B，透射激光的转换波长的第一电介质多层膜313B。 通过该设置，可以通过VBG 313的布拉格层313A将激光束的振荡频率变成窄带，可以提高激光束的振荡效率和波长转换效率，并且良好的激光束可以 从光源装置投影。 版权所有（C）2007，JPO＆INPIT
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Patent Agency Ranking
公开(公告)号：JP2007079087A
公开(公告)日：2007-03-29
申请号：JP2005266391
申请日：2005-09-14
Applicant: Seiko Epson Corp , セイコーエプソン株式会社
Inventor： YAMAZAKI TETSURO , TAKEDA TAKASHI
Abstract: PROBLEM TO BE SOLVED: To provide an image display apparatus and the like that scan a plurality of light beams and that enable uneven light quantity to be reduced through a simple and manufacturing-cost-reducible structure.
SOLUTION: This is an image display apparatus that displays an image by scanning a plurality of light beams. The apparatus is provided with a light source section 121R for supplying a plurality of light beams and a scanning section 200 for scanning the plurality of light beams from the light source section 121R, in the X direction of a first direction in a region to be irradiated and in the Y direction of a second direction nearly orthogonal to the first direction. The light source section 121R is designed to array in parallel the plurality of light beams at least in one of the X and Y directions. Among the spot positions and their in-between positions, formed in the region to be irradiated by the plurality of light beams, at least one position is made a reference point. On the basis of the position of the reference point moving with the scanning of the plurality of light beams, in the region to be irradiated, the light source section is driven in a manner adjusting the light quantity of the two or more light beams among the plurality of light beams.
COPYRIGHT: (C)2007,JPO&INPITAbstract translation: 要解决的问题：提供一种通过简单且制造成本可降低的结构来减少扫描多个光束并且能够减少不均匀光量的图像显示装置等。 解决方案：这是通过扫描多个光束来显示图像的图像显示装置。 该装置设置有用于提供多个光束的光源部分121R和用于在要照射的区域中沿着第一方向的X方向扫描来自光源部分121R的多个光束的扫描部分200 并且在与第一方向大致正交的第二方向的Y方向上。 光源部121R被设计为至少在X方向和Y方向中的一个方向上平行排列多个光束。 在由多个光束照射的区域中形成的点位置和它们的中间位置之间，至少将一个位置作为参考点。 基于通过多个光束的扫描移动的基准点的位置，在被照射的区域中，以调整光束的光量的方式驱动光源部， 多个光束。 版权所有（C）2007，JPO＆INPIT
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117.发明专利Laser light source device, display device, scanning display device, and projector 有权激光光源装置，显示装置，扫描显示装置和投影仪
公开(公告)号：JP2007019476A
公开(公告)日：2007-01-25
申请号：JP2006151479
申请日：2006-05-31
Applicant: Seiko Epson Corp , セイコーエプソン株式会社
Inventor： TAKEDA TAKASHI , JINGU KEIJI
IPC: H01S5/022
CPC classification number: G03B21/2033 , G03B21/2086 , H01L2224/48091 , H01S5/02208 , H01S5/02236 , H01S5/06825 , H04N9/3129 , H01L2924/00014
Abstract: PROBLEM TO BE SOLVED: To provide a laser light source device, a display device, a scanning display device, and a projector, in any of which the laser cannot emit a light beam securely when the laser is taken out from the cabinet or the like.
SOLUTION: The devices to be provided include a laser light source 10 having a light oscillator 12 for light oscillation, a fixing member for fixing the laser light source 10, and a breaking means for breaking the current path that feeds current to the light oscillator 12 in the laser light source 10 by linking the motion of taking the laser light source 10 out from the fixing member.
COPYRIGHT: (C)2007,JPO&INPITAbstract translation: 要解决的问题：提供一种激光源装置，显示装置，扫描显示装置和投影仪，当激光从机壳中取出时，激光不能牢固地发出光束 或类似物。 所提供的装置包括具有用于光振荡的光振荡器12的激光光源10，用于固定激光光源10的固定部件，以及用于断开将电流馈送到 激光光源10中的光振荡器12通过将固定部件的激光光源10的移动连接起来。 版权所有（C）2007，JPO＆INPIT
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公开(公告)号：JP2006330743A
公开(公告)日：2006-12-07
申请号：JP2006175128
申请日：2006-06-26
Applicant: Seiko Epson Corp , セイコーエプソン株式会社
Inventor： IIZAKA HIDETO , YOSHIDA SHOHEI , TAKEDA TAKASHI , SAKATA HIDEFUMI
Abstract: PROBLEM TO BE SOLVED: To provide a display device, a direct-vision type display device and a projection type display device which expand a dynamic range in appearance and with less color change.
SOLUTION: In the display device having an optical modulation means having a plurality of pixels and displaying an image according to an image signal, the device is characterized by providing a light source for illuminating the optical modulation means and a light source driving means for controlling light intensity emitted from the light source by adjusting time when the light source is lit at prescribed brightness per one unit time.
COPYRIGHT: (C)2007,JPO&INPITAbstract translation: 要解决的问题：提供一种显示装置，直观式显示装置和扩大动态范围，颜色变化较小的投影型显示装置。 解决方案：在具有具有多个像素并且根据图像信号显示图像的光调制装置的显示装置中，该装置的特征在于提供用于照亮光调制装置的光源和光源驱动装置 用于通过调整每单位时间以规定亮度点亮光源的时间来控制从光源发射的光强度。 版权所有（C）2007，JPO＆INPIT
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公开(公告)号：JP2006295584A
公开(公告)日：2006-10-26
申请号：JP2005114227
申请日：2005-04-12
Applicant: Seiko Epson Corp , セイコーエプソン株式会社
Inventor： TAKEDA TAKASHI , MIYAZAWA YASUNAGA
Abstract: PROBLEM TO BE SOLVED: To constitute a rectangular large screen, having desired resolution with a minimum of projectors.
SOLUTION: In the multi-projection display comprising a plurality of projectors PJ1, PJ2, PJ3, ... each of which has a light source, an electro-optical modulation device and a projecting optical system and capable of constituting a longitudinal screen, by tiling-projecting a plurality of projecting images projected from respective projectors PJ1, PJ2, PJ3, ... to a projection surface, at least one of the projectors PJ1, PJ2, PJ3, ... is constituted so that the short-side direction of own projecting image is projected to the long-side direction of the rectangular screen.
COPYRIGHT: (C)2007,JPO&INPITAbstract translation: 要解决的问题：构成矩形大屏幕，使用最少的投影机具有期望的分辨率。 解决方案：在包括多个具有光源的多个投影仪PJ1，PJ2，PJ3，...的多投影显示器中，电光调制装置和投影光学系统能够构成纵向 通过将从各个投影仪PJ1，PJ2，PJ3，...投影的多个投影图像平铺投影到投影面，投影机PJ1，PJ2，PJ3，...中的至少一个被构成为使得短 自身投影图像的边方向投影到长方形屏幕的长边方向。 版权所有（C）2007，JPO＆INPIT
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公开(公告)号：JP2006285283A
公开(公告)日：2006-10-19
申请号：JP2006175133
申请日：2006-06-26
Applicant: Seiko Epson Corp , セイコーエプソン株式会社
Inventor： IIZAKA HIDETO , YOSHIDA SHOHEI , TAKEDA TAKASHI , SAKATA HIDEFUMI
Abstract: PROBLEM TO BE SOLVED: To provide a display apparatus, a direct viewing type display apparatus and a projection type display apparatus, in which apparent dynamic range is expanded and color changes are reduced. SOLUTION: The display apparatus provided with an optical modulation means having a plurality of pixels and capable of displaying an image corresponding to an image signal is provided with a light source for illuminating the optical modulation means and a light source driving means for controlling the light quantity of light emitted from the light source by adjusting time for turning on the light source at prescribed luminance in each unit time. COPYRIGHT: (C)2007,JPO&INPIT
Abstract translation: 要解决的问题：提供一种显示装置，直观观察型显示装置和投影型显示装置，其中明显动态范围扩大并且颜色变化减小。 解决方案：设置有具有多个像素并能够显示与图像信号对应的图像的光调制装置的显示装置设置有用于照亮光调制装置的光源和用于控制的光源驱动装置 通过在每单位时间内以规定的亮度调节开启光源的时间，从光源发出的光的光量。 版权所有（C）2007，JPO＆INPIT
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