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    • 7. 发明授权
    • Reflector providing particularly high reflectance in an intended viewing angle and reflection type liquid crystal display device using the same
    • 反射器在预期的视角中提供特别高的反射率,并且使用该反射器的反射型液晶显示装置
    • US07471356B2
    • 2008-12-30
    • US10895773
    • 2004-07-21
    • Katsumasa YoshiiTatsuya MoriikeKenji OmoteMitsuru Kano
    • Katsumasa YoshiiTatsuya MoriikeKenji OmoteMitsuru Kano
    • G02F1/1335
    • G02B5/0215G02B5/0221G02B5/0257G02B5/0268G02B5/0284G02B5/10G02F1/133553
    • The present invention provides a reflector having a light-diffusing property which suppresses inter-object reflection over a wide angle, and giving particularly high reflectance in an intended range of viewing angle; and to provide a reflection type liquid crystal display device using the same. The reflector includes a plurality of light-reflective concave portions. Each of the concave portions is formed so that an inclination angle (an angle between a plane tangential to a point on a concave surface and the surface of the base material) is maximum on a side portion of the curved surface, and so that the direction of the side portion having the maximum inclination angle is on a far side from a view point of an observer. Moreover, the reflector includes many concave portions formed on a reflector surface, an inner surface of each of the concave portions-including a peripheral curved surface and a bottom curved surface that are continuously connected to each other, the peripheral curved surface being a part of a first sphere having a first radius, the bottom curved surface being a part of a second sphere having a second radius different from the first radius, and the bottom curved surface being located within the peripheral curved surface, wherein the first radius is smaller than the second radius, and a normal line extending from a center of the first sphere to the reflector surface and a normal line extending from a center of the second aphere to the reflector surface are not collinear. Further, the reflection type liquid crystal display device is provided with the reflector.
    • 本发明提供一种反射器,其具有抑制物体间广角反射的光扩散性,并且在预期的视角范围内提供特别高的反射率; 并提供一种使用其的反射型液晶显示装置。 反射器包括多个光反射凹部。 每个凹部形成为使得在弯曲表面的侧部上的倾斜角度(与凹入表面上的点相切的平面与基材的表面之间的角度)最大,并且使得方向 具有最大倾斜角度的侧部分在观察者的观察点的远侧。 此外,反射器包括形成在反射器表面上的多个凹部,每个凹部的内表面 - 包括彼此连续地连接的周边弯曲表面和底部弯曲表面,周边曲面是 具有第一半径的第一球体,所述底部弯曲表面是具有不同于所述第一半径的第二半径的第二球体的一部分,并且所述底部弯曲表面位于所述外周弯曲表面内,其中所述第一半径小于 第二半径和从第一球体的中心延伸到反射器表面的法线,并且从第二球体的中心延伸到反射器表面的法线不共线。 此外,反射型液晶显示装置设置有反射器。
    • 10. 发明授权
    • Reflector providing particularly high reflectance in an intended viewing angle and reflection type liquid crystal display device using the same
    • 反射器在预期的视角中提供特别高的反射率,并且使用该反射器的反射型液晶显示装置
    • US07123324B2
    • 2006-10-17
    • US10668878
    • 2003-09-23
    • Katsumasa YoshiiTatsuya MoriikeKenji OmoteMitsuru Kano
    • Katsumasa YoshiiTatsuya MoriikeKenji OmoteMitsuru Kano
    • G02F1/1335G02B5/10F21V7/00G01B11/24
    • G02B5/0215G02B5/0221G02B5/0257G02B5/0268G02B5/0284G02B5/10G02F1/133553
    • The present invention provides a reflector having a light-diffusing property which suppresses inter-object reflection over a wide angle, and giving particularly high reflectance in an intended range of viewing angle; and to provide a reflection type liquid crystal display device using the same. The reflector includes a plurality of light-reflective concave portions. Each of the concave portions is formed so that an inclination angle (an angle between a plane tangential to a point on a concave surface and the surface of the base material) is maximum on a side portion of the curved surface, and so that the direction of the side portion having the maximum inclination angle is on a far side from a view point of an observer. Moreover, the reflector includes many concave portions formed on a reflector surface, an inner surface of each of the concave portions including a peripheral curved surface and a bottom curved surface that are continuously connected to each other, the peripheral curved surface being a part of a first sphere having a first radius, the bottom curved surface being a part of a second sphere having a second radius different from the first radius, and the bottom curved surface being located within the peripheral curved surface, wherein the first radius is smaller than the second radius, and a normal line extending from a center of the first sphere to the reflector surface and a normal line extending from a center of the second sphere to the reflector surface are not collinear. Further, the reflection type liquid crystal display device is provided with the reflector.
    • 本发明提供一种反射器,其具有抑制物体间广角反射的光扩散性,并且在预期的视角范围内提供特别高的反射率; 并提供一种使用其的反射型液晶显示装置。 反射器包括多个光反射凹部。 每个凹部形成为使得在弯曲表面的侧部上的倾斜角度(与凹入表面上的点相切的平面与基材的表面之间的角度)最大,并且使得方向 具有最大倾斜角度的侧部分在观察者的观察点的远侧。 此外,反射器包括形成在反射器表面上的许多凹部,每个凹部的内表面包括彼此连续地连接的周边弯曲表面和底部弯曲表面,外周曲面是 第一球体具有第一半径,底部弯曲表面是具有不同于第一半径的第二半径的第二球体的一部分,并且底部弯曲表面位于外周弯曲表面内,其中第一半径小于第二半径 半径和从第一球体的中心延伸到反射器表面的法线,并且从第二球体的中心延伸到反射器表面的法线不共线。 此外,反射型液晶显示装置设置有反射器。