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    • 5. 发明申请
    • DISPLAY DEVICE WITH DIFFRACTIVE OPTICS
    • 具有差分光学的显示设备
    • US20100103488A1
    • 2010-04-29
    • US12444683
    • 2007-10-09
    • Russell Wayne GruhlkeIon BitaMarek MienkoGang Xu
    • Russell Wayne GruhlkeIon BitaMarek MienkoGang Xu
    • G02B5/32
    • G02B6/0035G02B6/0061G03H2001/0419G03H2001/2228
    • Light modulator displays may be illuminated using a light guide comprising diffractive optics that directs light onto an array of light modulators. A holographic light turning element may be included with the light guide to turn light propagating within the light guide onto the light modulators. In some embodiments, the holographic element is configured to distribute a substantially uniform amount of light across the array of modulators. The holographic element may, for example, have a turning efficiency that changes along the length of the holographic element. A holographic element can also be used to function as a light bar. Such a holographic element may receive light from a light source such as a light emitting diode and distribute the light along a light guide disposed in front of an array of light modulators.
    • 光调制器显示器可以使用包括将光引导到光调制器阵列上的衍射光学器件的光导照射。 全息光转向元件可以包括在光导中,以将在光导内传播的光转动到光调制器上。 在一些实施例中,全息元件被配置为在调制器阵列上分布基本均匀的光量。 例如,全息元件可以具有沿着全息元件的长度而改变的转向效率。 全息元件也可以用作光条。 这样的全息元件可以从诸如发光二极管的光源接收光,并且沿着布置在光调制器阵列前面的光导分布光。
    • 9. 发明申请
    • MULTILAYER LIGHT GUIDE ASSEMBLY
    • 多层轻型导轨总成
    • US20130106918A1
    • 2013-05-02
    • US13287426
    • 2011-11-02
    • Ion BitaGang XuMarek MienkoRussell Wayne Gruhlke
    • Ion BitaGang XuMarek MienkoRussell Wayne Gruhlke
    • G09G5/10F21V8/00F21V7/04G02B26/00
    • G02B6/005G02B6/0035
    • This disclosure provides systems, methods, and apparatus for providing illumination using a light-turning stack having diffractive light-turning features to eject light out of the light-turning stack. In one aspect, light ejected from the light-turning stack may be applied to illuminate a display. The light-turning stack includes a light-guiding layer having a surface on which the diffractive light-turning features are disposed. A planarization layer having a refractive index different than a refractive index of the light-guiding layer directly contacts the diffractive light-turning features and has a planar surface opposite the light-turning features. The light-guiding layer can also have a planar surface opposite the light-turning features. Both these planar surfaces, on opposite sides of the light turning stack, facilitate the integration of the light-guiding layer with other layers of material, including functional layers.
    • 本公开提供了使用具有衍射光转向特征以将光从光转向叠层中射出的光转向叠层提供照明的系统,方法和装置。 在一个方面,可以施加从光转向叠层排出的光以照亮显示器。 光转向叠层包括具有设置有衍射光转向特征的表面的导光层。 具有与导光层的折射率不同的折射率的平坦化层直接接触衍射光转向特征,并且具有与光转向特征相反的平面。 导光层还可以具有与光转向特征相对的平面。 在光转向叠层的相对侧上的这两个平坦表面都有助于导光层与包括功能层的其它材料层的整合。