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    • 5. 发明授权
    • Display device
    • 显示设备
    • US06249370B1
    • 2001-06-19
    • US09397229
    • 1999-09-16
    • Yukihisa TakeuchiNatsumi ShimogawaShigeki OkadaMasao Takahashi
    • Yukihisa TakeuchiNatsumi ShimogawaShigeki OkadaMasao Takahashi
    • G02B2600
    • G02B26/02G02B26/0833G02B26/0841G02B26/0858
    • Disclosed is a display device comprising a light-shielding plate including a metal thin film formed on a first principal surface of an optical waveguide plate for introducing the light thereinto and including light-transmitting sections formed at portions corresponding to picture elements to make penetration through the optical waveguide plate, and shutter sections provided opposingly to a second principal surface of the light-shielding plate, for selectively intercepting the light transmitted through the light-transmitting sections in accordance with an input signal. The shutter sections include actuator elements provided corresponding to the large number of light-transmitting sections so that the light to be transmitted through the light-transmitting sections is intercepted substantially in synchronization with the operation of the actuator elements. Accordingly, it is possible to improve the contrast and improve the image quality of a displayed image.
    • 公开了一种显示装置,其包括遮光板,该遮光板包括金属薄膜,该金属薄膜形成在光波导板的第一主表面上,用于将光引入其中,并且包括形成在对应于图像元素的部分处的透光部分, 光波导板和与遮光板的第二主表面相对设置的遮光部分,用于根据输入信号有选择地遮挡透过透光部分的光。 闸门部分包括对应于大量光透射部分设置的致动器元件,使得要透过光传输部分的光基本上与致动器元件的操作同步地截获。 因此,可以提高对比度并提高显示图像的图像质量。
    • 6. 发明授权
    • Ink jet print head having members with different coefficients of thermal
expansion
    • 具有不同热膨胀系数的构件的喷墨打印头
    • US5670999A
    • 1997-09-23
    • US600651
    • 1996-02-13
    • Yukihisa TakeuchiNobuo TakahashiShigeki Okada
    • Yukihisa TakeuchiNobuo TakahashiShigeki Okada
    • B41J2/045B41J2/055B41J2/14B41J2/16
    • B41J2/14233B41J2002/14241B41J2002/14387
    • An ink jet print head is disclosed which includes a metallic nozzle member having a plurality of nozzles through which fine particles of ink are jetted, and a ceramic ink pump member superposed on and bonded to the nozzle member. The ink pump member has a plurality of ink chambers formed behind the respective nozzles, and a plurality of piezoelectric/electrostrictive elements each disposed on a portion of the ink pump member opposite a respective ink chamber, for deforming the portion so as to change a pressure of the respective ink chamber, whereby the ink supplied to the ink chamber is jetted through the corresponding nozzle. The ink jet print head further includes a CTE (coefficient of thermal expansion) adjusting member superposed on and bonded to the nozzle member and/or the ink pump member, for reducing a stress which is applied to the ink pump member due to a difference between a coefficient of thermal expansion of the nozzle member and that of the ink pump member.
    • 公开了一种喷墨打印头,其包括金属喷嘴构件,该金属喷嘴构件具有多个喷嘴,通过该多个喷嘴喷射微小的墨水;以及陶瓷墨水泵构件,叠加并结合到喷嘴构件上。 墨水泵构件具有形成在各个喷嘴后面的多个墨水室,以及多个压电/电致伸缩元件,每个压电/电致伸缩元件设置在墨水泵构件的与各个墨水腔相对的一部分上,用于使该部分变形以改变压力 从而通过相应的喷嘴喷射供应到油墨室的油墨。 喷墨打印头还包括叠加在喷嘴构件和/或墨泵构件上并结合到喷嘴构件和/或墨泵构件上的CTE(热膨胀系数)调节构件,用于减小由于墨泵构件之间的差异而施加到墨泵构件的应力 喷嘴构件和墨泵构件的热膨胀系数。
    • 8. 发明授权
    • Plate assembly suitable for ink-jet-type printing head
    • 印版组合适用于喷墨式打印头
    • US5852456A
    • 1998-12-22
    • US280648
    • 1994-07-25
    • Shigeki OkadaNatsumi ShimogawaNobou Takahashi
    • Shigeki OkadaNatsumi ShimogawaNobou Takahashi
    • B41J2/045B41J2/055B41J2/14B41J2/16
    • B41J2/1623B41J2/14233B41J2/161B41J2002/14387
    • A plate assembly for ink-jet-type printing head assures a smooth ink flow and prohibits fluctuation in ink discharge quantity and speed to realize a satisfactory printing quality. A plurality of plates are bonded each other by using a thermoplastic-resin intermediate sheet having a shape corresponding to the opposite surfaces of adjacent plates. The intermediate sheet has ink passage openings of a dimension which includes a reference contour which is an axial projection of a corresponding opening in the plate. The ink passage opening in the intermediate sheet has a periphery which is set-back from the reference contour by a predetermined amount in the reference direction connecting adjacent ink passage openings, and by an increased amount in other directions. The plates and the intermediate sheet are superimposed one above the other and subsequently heated under pressure to form an integral plate assembly.
    • 用于喷墨式打印头的板组件确保平滑的油墨流动并且防止喷墨量和速度的波动以实现令人满意的打印质量。 通过使用具有对应于相邻板的相对表面的形状的热塑性树脂中间片将多个板彼此接合。 中间片具有墨通道开口,其尺寸包括作为板中相应开口的轴向突出部的参考轮廓。 中间片中的墨水通道开口具有从连接相邻墨水通道开口的基准方向从基准轮廓回缩预定量的周边,并且在其它方向上增加量。 板和中间片彼此叠加并随后在压力下加热以形成一体的板组件。