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    • 33. 发明授权
    • Polarization separation element, polarization conversion element, and projector
    • 极化分离元件,偏振转换元件和投影仪
    • US06402322B1
    • 2002-06-11
    • US09598482
    • 2000-06-22
    • Kazuo Aoki
    • Kazuo Aoki
    • G03B2114
    • G02B27/283G02B27/285
    • To provide a polarization conversion element which makes it possible to achieve high production efficiency. A polarization conversion element in accordance with the present invention includes a plurality of transmissive members arranged along a predetermined direction, and a plurality of polarization separation films and a plurality of reflection films alternately disposed between the plurality of transmissive members. In each polarization separation film, a transmittance ratio for an ultraviolet light beam of a particular wavelength range which is incident on a surface of each polarization separation film at an angle of incidence of approximately 0 degrees is approximately 40% or more. Each reflection film may be formed so that its transmittance ratio for an ultraviolet light beam of a particular wavelength range which is incident on a surface of each reflection film at an angle of incidence of approximately zero degrees is approximately 40% or more.
    • 提供一种使得可以实现高生产效率的偏振转换元件。 根据本发明的偏振转换元件包括沿预定方向布置的多个透射构件,以及交替地设置在多个透射构件之间的多个偏振分离膜和多个反射膜。 在每个偏振分离膜中,以大约0度的入射角入射在每个偏振分离膜的表面上的特定波长范围的紫外光束的透射比为约40%以上。 每个反射膜可以形成为使得以大约为零度的入射角入射在每个反射膜的表面上的特定波长范围的紫外光束的透射比为约40%以上。
    • 36. 发明授权
    • Screen and screen unit
    • 屏幕和屏幕单元
    • US08649092B2
    • 2014-02-11
    • US13544762
    • 2012-07-09
    • Kazuo Aoki
    • Kazuo Aoki
    • G03B21/56
    • G03B21/58
    • A screen reflects projection light for display. The screen has a screen base designed to be wound and including a first surface (front surface) and a second surface (rear surface) on the side opposite to the front surface. The front surface contains a display area that has a reflection film on which the projection light is reflected. The screen further has a flexible protection member which is disposed on the portion of the rear surface corresponding to the outside of the display area in the width direction of the display area, and extends through substantially the full length of the display area in the winding direction of the display area. The front surface is positioned outside when the screen base is wound.
    • 屏幕反映用于显示的投影灯。 屏幕具有设计成被卷绕的屏幕底座,并且包括在与前表面相对的一侧上的第一表面(前表面)和第二表面(后表面)。 前表面包含具有投影光被反射的反射膜的显示区域。 屏幕还具有柔性保护构件,其设置在与显示区域的宽度方向上的显示区域的外侧相对应的后表面的部分上,并且沿着卷绕方向延伸穿过显示区域的基本上整个长度 的显示区域。 当屏幕底座被卷绕时,前表面位于外面。
    • 38. 发明申请
    • SCREEN AND SCREEN UNIT
    • 屏幕和屏幕单元
    • US20130027771A1
    • 2013-01-31
    • US13544762
    • 2012-07-09
    • Kazuo Aoki
    • Kazuo Aoki
    • G03B21/56
    • G03B21/58
    • A screen reflects projection light for display. The screen has a screen base designed to be wound and including a first surface (front surface) and a second surface (rear surface) on the side opposite to the front surface. The front surface contains a display area that has a reflection film on which the projection light is reflected. The screen further has a flexible protection member which is disposed on the portion of the rear surface corresponding to the outside of the display area in the width direction of the display area, and extends through substantially the full length of the display area in the winding direction of the display area. The front surface is positioned outside when the screen base is wound.
    • 屏幕反映用于显示的投影灯。 屏幕具有设计成被卷绕的屏幕底座,并且包括在与前表面相对的一侧上的第一表面(前表面)和第二表面(后表面)。 前表面包含具有投影光被反射的反射膜的显示区域。 屏幕还具有柔性保护构件,其设置在与显示区域的宽度方向上的显示区域的外侧相对应的后表面的部分上,并且沿着卷绕方向延伸穿过显示区域的大致整个长度 的显示区域。 当屏幕底座被卷绕时,前表面位于外面。