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公开(公告)号：JP2011028021A
公开(公告)日：2011-02-10
申请号：JP2009173988
申请日：2009-07-27
Applicant: Seiko Epson Corp , セイコーエプソン株式会社
Inventor： NOJIMA SHIGEO
Abstract: PROBLEM TO BE SOLVED: To provide a technique concerning a screen which is improved in a contrast ratio.
SOLUTION: There is disclosed an image display system including the screen whose reflectance can be changed and a projection type display device which projects an image to the screen, and the image display system further includes: a projection part which projects a predetermined image with an area having different lightness to the screen; a contrast ratio measuring part which measures the contrast ratio of the predetermined image projected and displayed on the screen; a control signal generation part which generates a control signal being a signal for controlling reflectance of the screen based on the contrast ratio; and a reflectance control device which controls the reflectance of the screen in accordance with the control signal.
COPYRIGHT: (C)2011,JPO&INPITAbstract translation: 要解决的问题：提供一种改善对比度的屏幕技术。 解决方案：公开了一种图像显示系统，包括其反射率可以改变的屏幕和将图像投影到屏幕的投影型显示装置，并且图像显示系统还包括：突出部分，其突出预定图像 区域对屏幕的亮度不同; 对比度测量部分，其测量投影并显示在屏幕上的预定图像的对比度; 控制信号生成部，其基于对比度生成用于控制所述画面的反射率的信号的控制信号; 以及根据控制信号控制画面的反射率的反射率控制装置。 版权所有（C）2011，JPO＆INPIT
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公开(公告)号：JP2010152178A
公开(公告)日：2010-07-08
申请号：JP2008331460
申请日：2008-12-25
Applicant: Seiko Epson Corp , セイコーエプソン株式会社
Inventor： TAKAGI MASAYUKI , NOJIMA SHIGEO , YAMAZAKI TETSURO , TAKEDA TAKASHI
CPC classification number: G02B27/48
Abstract: PROBLEM TO BE SOLVED: To provide an image display device capable of reducing the number of speckles while keeping high quality of image.
SOLUTION: This image display device includes a light source 10 emitting light, a half mirror 30 arranged on an optical path of the light L emitted from the light source 10 and separating the light L into a first beam La and a second beam Lb, a scanning optical system 50 for scanning the first beam La and the second beam Lb in the two dimensional direction on a screen 1000 to draw an image, and a phase modulating means 40 arranged on the optical path of light from the light source 10 to the scanning optical system 50 and changing phase of the second beam Lb by time by controlling length of the optical path related to the second beam Lb. The scanning optical system 50 applies each of the first beam La and the second beam Lb on the same drawing point X on the screen 1000 at different angles of incidence θa, θb.
COPYRIGHT: (C)2010,JPO&INPITAbstract translation: 要解决的问题：提供能够在保持高质量图像的同时减少斑点数量的图像显示装置。 解决方案：该图像显示装置包括发射光的光源10，配置在从光源10发射的光L的光路上的半反射镜30，并将光L分离为第一光束La和第二光束 Lb是用于在屏幕1000上扫描二维方向的第一光束La和第二光束Lb以绘制图像的扫描光学系统50;以及布置在来自光源10的光的光路上的相位调制装置40 通过控制与第二光束Lb相关的光路的长度，到扫描光学系统50和时间改变第二光束Lb的相位。 扫描光学系统50以不同的入射角θa，θb将第一光束La和第二光束Lb中的每一个施加在屏幕1000上的相同绘图点X. 版权所有（C）2010，JPO＆INPIT
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公开(公告)号：JP2009255582A
公开(公告)日：2009-11-05
申请号：JP2009180363
申请日：2009-08-03
Applicant: Seiko Epson Corp , セイコーエプソン株式会社
Inventor： FUJII MASAHIRO , MARUYAMA HIROYUKI , SATO KAZUHIKO , KITAHARA KOJI , MAKIGAKI TOMOHIRO , NOJIMA SHIGEO , TAKEKOSHI TARO
CPC classification number: B41J2/1626 , B41J2/14314 , B41J2/16 , B41J2/1623 , B41J2/164 , B41J2/1642 , B41J2/1646 , B41J2002/14387 , B41J2002/14411 , B41J2202/03 , Y10T29/42
Abstract: PROBLEM TO BE SOLVED: To provide an electrostatic actuator capable of generating a desired pressure at all times regardless of the external atmospheric pressure fluctuations, and to provide an electrostatic liquid discharging device capable of performing a proper ink droplet discharging action. SOLUTION: An electrostatic inkjet head 1 comprises: pressure chambers 6 communicating with ink nozzles 21 and an atmospheric pressure chamber 12 opened to the atmosphere, wherein diaphragms 5 are formed on the bottom surfaces of the pressure chambers 6, a voltage is applied between the diaphragms 5 and individual electrodes 43 to vibrate the diaphragms 5 electrostatically so as to inject ink droplets, vibration chambers 41 as hermetically closed chambers communicate with a pressure compensating chamber 49, a displacement plate 16 which is displaceable toward the outside of the bottom surface of the pressure compensating chamber 49 according to a variation in atmospheric pressure is formed on the bottom surface of the pressure compensating chamber 49, the volume of the pressure compensating chamber 49 is increased or decreased according to the displacement of the displacement plate 16, so that the inside pressure of each vibration chamber 41 communicating with the pressure compensating chamber 49 is regulated to the atmospheric pressure. COPYRIGHT: (C)2010,JPO&INPIT
Abstract translation: 要解决的问题：提供能够始终产生所需压力而不管外部大气压波动的静电致动器，并且提供能够执行适当的墨滴排放动作的静电排液装置。 解决方案：静电喷墨头1包括：与油墨喷嘴21连通的压力室6和向大气开放的大气压力室12，其中隔膜5形成在压力室6的底面上，施加电压 在隔膜5和各个电极43之间，静电地振动隔膜5以便喷射墨滴，作为气密密封室的振动室41与压力补偿室49连通，位移板16可向底表面的外侧移动 在压力补偿室49的底面上形成有根据大气压变化的压力补偿室49的压力补偿室49的体积，根据位移板16的位移而增大或减小压力补偿室49的体积， 每个振动室41的内部压力与压力补偿相通 吸入腔室49被调节到大气压力。 版权所有（C）2010，JPO＆INPIT
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公开(公告)号：JP2009229597A
公开(公告)日：2009-10-08
申请号：JP2008072434
申请日：2008-03-19
Applicant: Seiko Epson Corp , セイコーエプソン株式会社
Inventor： NOJIMA SHIGEO
Abstract: PROBLEM TO BE SOLVED: To reliably reduce speckle noise with a simple configuration and a simple control.
SOLUTION: An image display apparatus includes: a light source 10 which emits laser light; a scanning means 30 which scans the laser light emitted from the light source 10 toward a surface 50 to be projected; and an optical path varying means 40 which is arranged on the optical path between the light source 10 and the scanning means 30 and varies the optical path of the laser light emitted from the light source 10 by a small distance as time elapses.
COPYRIGHT: (C)2010,JPO&INPITAbstract translation: 要解决的问题：以简单的配置和简单的控制可靠地降低散斑噪声。 解决方案：图像显示装置包括：发射激光的光源10; 扫描装置30，其将从光源10发射的激光朝着要投射的表面50扫描; 以及光路改变装置40，其设置在光源10和扫描装置30之间的光路上，并且随着时间的推移改变从光源10发射的激光的光程小的距离。 版权所有（C）2010，JPO＆INPIT
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公开(公告)号：JP2009162825A
公开(公告)日：2009-07-23
申请号：JP2007339461
申请日：2007-12-28
Applicant: Seiko Epson Corp , セイコーエプソン株式会社
Inventor： NOJIMA SHIGEO
CPC classification number: H04N9/3129 , G02B26/0841 , G03B21/006 , G03B21/28
Abstract: PROBLEM TO BE SOLVED: To provide a low-cost image display apparatus capable of improving efficiency of light usage. SOLUTION: The image display apparatus includes a laser light source 11 that emits laser light, a condensing optical system 12 that condenses the laser light emitted from the laser light source and forms an intermediate image, a scanning means 20 that scans the light that has exited from the condensing optical system, an angle converting means 14 on which the intermediate image is formed, and which enlarges the divergent angle of the incident laser light and outputs the laser light with the enlarged divergent angle, and a projection means 15 that projects the laser light that has exited from the divergent angle converting means 14 toward a surface 40 on which the laser light is projected. COPYRIGHT: (C)2009,JPO&INPIT
Abstract translation: 解决的问题：提供能够提高使用效率的低成本图像显示装置。 解决方案：图像显示装置包括发射激光的激光光源11，冷凝从激光源发出的激光并形成中间图像的聚光光学系统12，扫描光 已经从聚光光学系统退出的角度转换装置14，其中形成中间图像，并且其放大入射激光的发散角并以扩大的发散角输出激光;以及投影装置15，其中 将从发散角转换装置14退出的激光投影到投射有激光的表面40。 版权所有（C）2009，JPO＆INPIT
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Patent Agency Ranking
公开(公告)号：JP2009139430A
公开(公告)日：2009-06-25
申请号：JP2007312644
申请日：2007-12-03
Applicant: Seiko Epson Corp , セイコーエプソン株式会社
Inventor： NOJIMA SHIGEO
CPC classification number: H04N9/3147 , H04N9/3129
Abstract: PROBLEM TO BE SOLVED: To provide a scanning image display system capable of displaying clear images by preventing frame-drop and occurrence of flickers, and to provide a scanning image display device.
SOLUTION: The scanning image display system 1 includes a plurality of scanning image display devices 2, 3 including a light source 10 for emitting laser light, and a scanning means 30 having a first scanning means 31 for scanning the laser light emitted from the light source 10 toward a face to be projected 40 in a first direction and a second scanning means 33 for scanning the laser light in a second direction of a direction substantially orthogonal to the first direction. The first scanning means 31 has a higher scanning speed as compared with the second scanning means 33, and is a resonant scanning means. A plurality of the first scanning means 31 are heated with light and the scanning image display system controls resonant frequencies of the plurality of the first scanning means 31 in a period of at least a part of an image drawing period and a return line of the second scanning means 33.
COPYRIGHT: (C)2009,JPO&INPITAbstract translation: 要解决的问题：提供一种能够通过防止掉线和闪烁发生而显示清晰图像的扫描图像显示系统，并提供扫描图像显示装置。 解决方案：扫描图像显示系统1包括多个扫描图像显示装置2,3，其包括用于发射激光的光源10和扫描装置30，扫描装置30具有第一扫描装置31，用于扫描从 光源10朝向第一方向上待投射的面40;以及第二扫描装置33，用于沿与第一方向大致正交的方向的第二方向扫描激光。 与第二扫描装置33相比，第一扫描装置31具有更高的扫描速度，并且是共振扫描装置。 多个第一扫描装置31被光加热，并且扫描图像显示系统在图像绘制期间的至少一部分和第二扫描装置31的返回管线的周期内控制多个第一扫描装置31的共振频率 扫描手段33.版权所有（C）2009，JPO＆INPIT
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87.发明专利Electrostatic liquid injection device, and method for manufacturing electrostatic actuator 有权静电液体注射装置及制造静电致动器的方法
公开(公告)号：JP2009061784A
公开(公告)日：2009-03-26
申请号：JP2008283238
申请日：2008-11-04
Applicant: Seiko Epson Corp , セイコーエプソン株式会社
Inventor： FUJII MASAHIRO , MARUYAMA HIROYUKI , SATO KAZUHIKO , KITAHARA KOJI , MAKIGAKI TOMOHIRO , NOJIMA SHIGEO , TAKEKOSHI TARO
CPC classification number: B41J2/1626 , B41J2/14314 , B41J2/16 , B41J2/1623 , B41J2/164 , B41J2/1642 , B41J2/1646 , B41J2002/14387 , B41J2002/14411 , B41J2202/03 , Y10T29/42
Abstract: PROBLEM TO BE SOLVED: To provide an electrostatic actuator capable of reliably generating a desired pressure unaffected by fluctuations of the external atmospheric pressure, and an electrostatic liquid injection device capable of discharging droplets in an appropriate manner. SOLUTION: An electrostatic ink jet head 1 comprising pressure chambers 6 communicating with ink nozzles 21 and an atmospheric pressure chamber 12 open to the atmosphere, wherein diaphragms 5 are formed on the bottom surfaces of the pressure chambers 6, a voltage is applied between the diaphragms 5 and electrodes 43 to vibrate the diaphragms 5 electrostatically so as to inject ink droplets, vibration chambers 41 as closed chambers communicate with a pressure compensating chamber 49, a displacement plate 16 which is displaceable toward the outside of the bottom surface of the pressure compensating chamber 49 according to a variation in atmospheric pressure is formed on the bottom surface of the pressure compensating chamber 49, the volume of the pressure compensating chamber 49 is increased or decreased according to the displacement of the displacement plate 16, so that the inside pressure of each vibration chamber 41 communicating with the pressure compensating chamber 49 is regulated to the atmospheric pressure. COPYRIGHT: (C)2009,JPO&INPIT
Abstract translation: 要解决的问题：提供一种能够可靠地产生不受外部大气压的波动影响的期望压力的静电致动器，以及能够以适当的方式排出液滴的静电液体注入装置。 解决方案：静电喷墨头1包括与油墨喷嘴21连通的压力室6和与大气相通的大气压力室12，其中隔膜5形成在压力室6的底面上，施加电压 在隔膜5和电极43之间，静电地振动隔膜5以便喷射墨滴，作为封闭室的振动室41与压力补偿室49连通，位移板16可朝着底面的外表面位移 在压力补偿室49的底面上形成有根据大气压变化的压力补偿室49，根据位移板16的位移来增大或减小压力补偿室49的体积， 调节与压力补偿室49连通的各振动室41的压力 d到大气压力。 版权所有（C）2009，JPO＆INPIT
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公开(公告)号：JP2009035008A
公开(公告)日：2009-02-19
申请号：JP2008283239
申请日：2008-11-04
Applicant: Seiko Epson Corp , セイコーエプソン株式会社
Inventor： FUJII MASAHIRO , MARUYAMA HIROYUKI , SATO KAZUHIKO , KITAHARA KOJI , MAKIGAKI TOMOHIRO , NOJIMA SHIGEO , TAKEKOSHI TARO
CPC classification number: B41J2/1626 , B41J2/14314 , B41J2/16 , B41J2/1623 , B41J2/164 , B41J2/1642 , B41J2/1646 , B41J2002/14387 , B41J2002/14411 , B41J2202/03 , Y10T29/42
Abstract: PROBLEM TO BE SOLVED: To provide an electrostatic actuator capable of constantly generating an intended pressure without being affected by fluctuation of an atmospheric pressure; and an electrostatic liquid injection device capable of appropriately injecting liquid droplet. SOLUTION: An electrostatic ink jet head 1 is provided with pressure chambers 6 communicating with ink nozzles 21, and an atmospheric pressure chamber 12 open to the atmosphere, wherein diaphragms 5 are formed on the bottom surfaces of the pressure chambers 6, a voltage is applied between the diaphragms 5 and individual electrodes 43 to vibrate the diaphragms 5 electrostatically so as to inject ink droplets. Vibration chambers 41 as sealed chambers communicate with a pressure compensating chamber 49, and a displacement plate 16 which is displaceable toward the outside of the bottom surface of the pressure compensating chamber 49 according to a variation in atmospheric pressure is formed on the bottom surface of the pressure compensating chamber 49. The volume of the pressure compensating chamber 49 is increased or decreased according to the displacement of the displacement plate 16 so that the inside pressure of each vibration chamber 41 communicating therewith is regulated to the atmospheric pressure. COPYRIGHT: (C)2009,JPO&INPIT
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公开(公告)号：JP2008129053A
公开(公告)日：2008-06-05
申请号：JP2006310216
申请日：2006-11-16
Applicant: Seiko Epson Corp , セイコーエプソン株式会社
Inventor： NOJIMA SHIGEO
CPC classification number: G02F1/29 , G02F2203/24 , G09G3/02
Abstract: PROBLEM TO BE SOLVED: To provide a scanning device and a scanning optical device that can be improved in reliability.
SOLUTION: The scanning device includes: an optical element 13 for allowing an incident laser beam to scan by changes in the refractive index distribution depending on the intensity of an electric field generating inside; a first electrode 11 and a second electrode 12 respectively disposed on two opposing faces of the optical element 13; and a control unit 20 for controlling a voltage to be applied to at least one of the first electrode 11 and the second electrode 12 to temporally generate an electric field in one direction (A) and the other direction (B) opposite to the first direction in the optical element 13.
COPYRIGHT: (C)2008,JPO&INPITAbstract translation: 要解决的问题：提供可提高可靠性的扫描装置和扫描光学装置。 解决方案：扫描装置包括：光学元件13，用于根据内部产生的电场的强度，使入射激光束通过折射率分布的变化进行扫描; 分别设置在光学元件13的两个相对面上的第一电极11和第二电极12; 以及控制单元20，用于控制施加到第一电极11和第二电极12中的至少一个的电压，以在一个方向（A）和与第一方向（A）相反的另一方向（B）上暂时产生电场 在光学元件13中。（C）2008，JPO＆INPIT
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90.发明专利
公开(公告)号：JP2008122572A
公开(公告)日：2008-05-29
申请号：JP2006305122
申请日：2006-11-10
Applicant: Seiko Epson Corp , セイコーエプソン株式会社
Inventor： NOJIMA SHIGEO
IPC: G02F1/29
CPC classification number: G02F1/29 , G02F1/0322
Abstract: PROBLEM TO BE SOLVED: To provide an electro-optical element capable of obtaining a large deflection angle and also saving power; to provide a method for manufacturing the electro-optical device; and to provide a scanning optical device.
SOLUTION: The electro-optical device comprises optical elements 13, 23 allowing an incident laser beam to scan by changes in the refractive index distribution depending on an electric field generating inside, and first electrodes 11, 21 and second electrodes 12, 22 disposed on two opposing faces of the optical elements, respectively. In the optical elements 13, 23, the electrode-to-electrode distances Q, P between the first electrodes 11, 21 and the second electrodes 12, 22, respectively, continuously or in a phased manner decrease from the exit end face 20b to the incident end face 10a.
COPYRIGHT: (C)2008,JPO&INPITAbstract translation: 要解决的问题：提供一种能够获得大的偏转角并且还节省功率的电光元件; 提供一种制造电光装置的方法; 并提供扫描光学装置。 解决方案：电光装置包括光学元件13,23，允许入射激光束根据内部产生的电场的折射率分布的变化以及第一电极11,21和第二电极12,22进行扫描 分别设置在光学元件的两个相对的面上。 在光学元件13,23中，第一电极11,21和第二电极12,22之间的电极对电极距离Q，P分别连续地或相位地从出射端面20b减小到 入射端面10a。 版权所有（C）2008，JPO＆INPIT
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