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    • 4. 发明授权
    • Method of and apparatus for viewing an image
    • 用于观看图像的方法和装置
    • US06407724B2
    • 2002-06-18
    • US09057461
    • 1998-04-09
    • Jonathan David WaldernMilan Momcilo PopovichJohn James Storey
    • Jonathan David WaldernMilan Momcilo PopovichJohn James Storey
    • G02B532
    • G06F3/013G02B5/1885G02B5/32G02B27/0093G02B27/0103G02B27/017G02B2027/0138G02B2027/0187G02B2027/0198G03H2001/2615
    • Light from an image displayed on a display screen 10 is transmitted to an observer's eye 11 by way of a dynamic optical element 12 (such as a spatial light modulator or an electrically switchable holographic composite) which acts as a lens. The characteristics of the dynamic optical element 12 can be altered so that it acts sequentially to direct light of different colors to the observer's eye. In one optional embodiment emitters 17 on the display screen 10 emit infra-red radiation which is projected by the dynamic lens 12 as a broad wash onto the eye 11. Infra-red radiation reflected back from the eye 11 is focussed by the dynamic lens 12 onto detectors 18 also provided on the display screen 10. The detectors 18 are thus able to sense the direction of eye gaze, and the dynamic lens 12 is controlled in dependence on this to create an area of high resolution in an area of interest centered on the direction of gaze, which is moved to follow the eye gaze as its direction alters. Other than in the area of interest, the dynamic lens 12 has a relatively low resolution.
    • 来自显示在显示屏幕10上的图像的光通过用作透镜的动态光学元件12(诸如空间光调制器或电可切换全息复合材料)发送到观察者眼睛11。 可以改变动态光学元件12的特性,使得其顺序地作用以将不同颜色的光引导到观察者的眼睛。在一个可选实施例中,显示屏10上的发射器17发射由动态透镜投射的红外辐射 从眼睛11反射的红外辐射由动态透镜12聚焦到也设置在显示屏10上的检测器18上。因此,检测器18可以感测眼睛的方向 注视,并且依赖于动态透镜12,以在凝视方向为中心的感兴趣区域中产生高分辨率的区域,随着其方向改变而被移动以跟随眼睛注视。 除了在感兴趣的区域中,动态透镜12具有相对低的分辨率。
    • 7. 发明申请
    • Compact wearable display
    • 紧凑可穿戴显示屏
    • US20130101253A1
    • 2013-04-25
    • US13317468
    • 2011-10-19
    • Milan Momcilo PopovichJonathan David Waldern
    • Milan Momcilo PopovichJonathan David Waldern
    • G02B6/34
    • G02B27/017G02B6/0028
    • There is provided a wearable display comprising a light source emitting light of a first wavelength; a first SBG device having a front side and a rear side; first and second transparent plates sandwiching said SBG device; independently switchable transparent electrode elements applied to the opposing surfaces of said transparent plates, a means for spatio-temporally modulating light from the light source to provide image light and a means for coupling the image light into the light guide formed by the two transparent plates and the SBG device. The SBG device comprises a multiplicity of selectively switchable grating regions. The SBG device diffracts image into the pupil of an eye.
    • 提供了一种可穿戴式显示器,其包括发射第一波长的光的光源; 具有前侧和后侧的第一SBG装置; 夹持所述SBG装置的第一和第二透明板; 施加到所述透明板的相对表面的可独立切换的透明电极元件,用于时空调制来自光源的光以提供图像光的装置和用于将图像光耦合到由两个透明板形成的导光体中的装置;以及 SBG设备。 SBG器件包括多个可选择切换的光栅区域。 SBG装置将图像衍射成眼睛的瞳孔。