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    • 3. 发明申请
    • Optical film, illuminator and display
    • 光学胶片,照明器和显示屏
    • US20070133094A1
    • 2007-06-14
    • US11301995
    • 2005-12-13
    • Emma WaltonAllan EvansThomas Wynne-Powell
    • Emma WaltonAllan EvansThomas Wynne-Powell
    • G02B5/02
    • G02B6/0053G02F1/133606
    • An optical film is provided for use in a light source or display to provide rapid cut-off of illumination with angle. The film comprises a light-transmissive substrate of a material having a refractive index greater than one and having first and second major surfaces. A surface relief is formed on at least one of the major surfaces and includes a mirror structure. The mirror structure comprises a groups of specularly reflective surfaces alternating in at least one direction with groups of transmissive surfaces. All of the reflective surfaces are non-parallel to the plane in which the surface relief extends and at least some of the reflective surfaces are non-perpendicular to that plane. Light propagating through the film in a first angular input range passes without reflection into a desired angular output range. Light propagating through the film and reflected by the reflective structure passes into the same or an overlapping or adjacent output angular range. Light reflected back by the mirror structure is returned to a light source for recycling to enhance display brightness.
    • 提供用于光源或显示器的光学膜以提供具有角度的照明的快速切断。 该膜包括具有大于1的折射率的材料的透光性基板,并且具有第一和第二主表面。 表面浮雕形成在至少一个主表面上并且包括反射镜结构。 反射镜结构包括一组在至少一个方向上与一组透射表面交替的镜面反射表面。 所有反射表面不平行于表面浮雕延伸的平面,并且至少一些反射表面不垂直于该平面。 在第一角度输入范围内通过胶片传播的光通过而没有反射到期望的角度输出范围。 传播通过薄膜并被反射结构反射的光通过相同或重叠或相邻的输出角度范围。 被镜子反射回的光返回到光源进行再循环以增强显示亮度。
    • 5. 发明授权
    • Optical film, illuminator and display
    • 光学胶片,照明器和显示屏
    • US07548371B2
    • 2009-06-16
    • US11301995
    • 2005-12-13
    • Emma Jayne WaltonAllan EvansThomas Wynne-Powell
    • Emma Jayne WaltonAllan EvansThomas Wynne-Powell
    • G02B5/02G02B13/20
    • G02B6/0053G02F1/133606
    • An optical film is provided for use in a light source or display to provide rapid cut-off of illumination with angle. The film comprises a light-transmissive substrate of a material having a reflective index greater than one and having first and second major surfaces. A surface relief is formed on at least one of the major surfaces and includes a mirror structure. The mirror structure comprises a groups of specularly reflective surfaces alternating in at least one direction with groups of transmissive surfaces. The film directs light passing therethrough into a desired angular output range, and light reflected back by the mirror structure is returned to a light source for recycling to enhance display brightness.
    • 提供用于光源或显示器的光学膜以提供具有角度的照明的快速切断。 该膜包括具有大于1的反射指数并具有第一和第二主表面的材料的透光基底。 表面浮雕形成在至少一个主表面上并且包括反射镜结构。 反射镜结构包括一组在至少一个方向上与一组透射表面交替的镜面反射表面。 胶片将通过其中的光引导到期望的角度输出范围,并且由镜结构反射的光返回到光源以进行再循环以增强显示亮度。
    • 6. 发明授权
    • Multi-depth displays
    • 多层次显示
    • US07639210B2
    • 2009-12-29
    • US11553078
    • 2006-10-26
    • Thomas Wynne-PowellDavid MontgomeryAllan Evans
    • Thomas Wynne-PowellDavid MontgomeryAllan Evans
    • G09G3/00
    • G02B17/006G02B5/30G02B27/0101G02B27/2278G02B27/42G02B27/4205G02B2027/011G02B2027/0127
    • A multi-depth display apparatus comprises: a display panel comprising pixels arranged to display first image and second images; and a direction changing layer arranged so that light forming said first and second images enters the layer and then exits the layer, wherein: in relation to the light forming said first image, the direction of the light is changed by the layer so that the light exiting the layer is changed in direction by a first angle relative to the light entering the layer; in relation to the light forming said second image, the direction of the light is changed by the layer so that the light exiting the layer is changed in direction by a second angle relative to the light entering the layer; and said first and second angles are different to create a difference in perceived depth between said first and second images when viewed by a user.
    • 一种多深度显示装置,包括:显示面板,包括布置成显示第一图像和第二图像的像素; 以及方向改变层,其布置成使得形成所述第一和第二图像的光进入所述层然后离开所述层,其中:相对于形成所述第一图像的光,所述光的方向由所述层改变,使得所述光 离开层的方向相对于进入该层的光改变第一角度; 相对于形成所述第二图像的光,所述光的方向由所述层改变,使得离开所述层的光相对于进入所述层的光在方向上改变第二角度; 并且所述第一和第二角度是不同的,以在用户观看时产生所述第一和第二图像之间的感知深度的差异。
    • 7. 发明申请
    • MULTI-DEPTH DISPLAYS
    • 多深度显示
    • US20070097019A1
    • 2007-05-03
    • US11553078
    • 2006-10-26
    • Thomas WYNNE-POWELLDavid MontgomeryAllan Evans
    • Thomas WYNNE-POWELLDavid MontgomeryAllan Evans
    • G09G5/00
    • G02B17/006G02B5/30G02B27/0101G02B27/2278G02B27/42G02B27/4205G02B2027/011G02B2027/0127
    • A multi-depth display apparatus comprises: a display panel comprising pixels arranged to display first image and second images; and a direction changing layer arranged so that light forming said first and second images enters the layer and then exits the layer, wherein: in relation to the light forming said first image, the direction of the light is changed by the layer so that the light exiting the layer is changed in direction by a first angle relative to the light entering the layer; in relation to the light forming said second image, the direction of the light is changed by the layer so that the light exiting the layer is changed in direction by a second angle relative to the light entering the layer; and said first and second angles are different to create a difference in perceived depth between said first and second images when viewed by a user.
    • 一种多深度显示装置,包括:显示面板,包括布置成显示第一图像和第二图像的像素; 以及方向改变层,其布置成使得形成所述第一和第二图像的光进入所述层然后离开所述层,其中:相对于形成所述第一图像的光,所述光的方向由所述层改变,使得所述光 离开层的方向相对于进入该层的光改变第一角度; 相对于形成所述第二图像的光,所述光的方向由所述层改变,使得离开所述层的光相对于进入所述层的光在方向上改变第二角度; 并且所述第一和第二角度是不同的,以在用户观看时产生所述第一和第二图像之间的感知深度的差异。
    • 8. 发明申请
    • Display
    • 显示
    • US20060126156A1
    • 2006-06-15
    • US11299068
    • 2005-12-07
    • Allan EvansMartin TillinEmma Walton
    • Allan EvansMartin TillinEmma Walton
    • G02F1/29
    • G02F1/13363G02F1/1323G02F1/133528G02F1/13471G02F2001/133638G02F2413/09H04N13/359
    • A display is provided for providing a restricted viewing mode, for example a private viewing mode where the display may be viewed from a limited region of space by a single viewer and not by other people outside the viewing region. The display comprises a source of polarised light and an output polariser. Between these are provided a controllable pixellated spatial polarisation modulating layer, for example of the liquid crystal type. Also, a polarisation modifying layer is provided between the polarisers and is spaced from the modulating layer. The modifying later comprises a plurality of sets of regions with the regions of each set having the same polarisation modifying effect and the regions of different sets having different polarisation modifying effects. The light path between the modulating layer and the modifying layer is polariser-free. A controller supplies modified image data to compensate for the effect of each region through which light from one or more associated pixels passes to the viewing region so that a viewer in the viewing region sees the displayed image. Outside the viewing region, light passes through regions for which the pixels receive uncompensated data so that the image is obscured or corrupted and is not visible. The modifying layer may be disablable in order to provide a public viewing mode for viewers throughout a wide viewing region.
    • 提供了一种用于提供限制观看模式的显示器,例如私人观看模式,其中显示器可以由单个观看者从有限的空间区域观看,而不是由观看区域外的其他人观看。 显示器包括偏振光源和输出偏振器。 在它们之间提供可控的像素化空间偏振调制层,例如液晶型。 此外,极化修改层设置在偏振器之间并且与调制层间隔开。 稍后的修改包括多组区域,其中每组的区域具有相同的偏振改变效果,并且不同组的区域具有不同的偏振修正效果。 调制层与调制层之间的光路无偏振。 控制器提供经修改的图像数据以补偿来自一个或多个相关像素的光通过其到达观看区域的每个区域的影响,使得观看区域中的观看者看到所显示的图像。 在观察区域外,光通过像素接收未补偿数据的区域,使得图像被遮蔽或损坏,并且不可见。 为了在广泛的观看区域内为观众提供公众观看模式,修改层可能是不可行的。