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    • 61. 发明申请
    • LIGHT TURNING FEATURE PATTERNS FOR LIGHTGUIDES
    • 轻型旋转功能模式
    • US20120236390A1
    • 2012-09-20
    • US13298065
    • 2011-11-16
    • Lai WangMarek MienkoIon Bita
    • Lai WangMarek MienkoIon Bita
    • G02B26/00G05B15/00F21V8/00
    • G02B26/001
    • This disclosure provides systems, methods and apparatus for providing illumination by using a light guide to distribute light and for determining spacing between light turning features in the light guide. In one aspect, a light intensity profile along a first axis is determined and the pitch of light turning features along that first axis is varied based upon this profile, while the pitch along a second crossing axis (for example, an orthogonal axis) and the sizes of the light turning features remain unchanged. In some implementations, an apparatus includes a light guide having an array of light turning features configured to turn light from at least one light emitter. The light turning features can be non-uniformly spaced apart along a first axis such that pitches vary non-monotonically and, along a second axis that crosses the first axis, the light turning features are spaced apart with substantially the same progression.
    • 本公开提供了通过使用光导来分配光并且用于确定光导中的光转向特征之间的间距来提供照明的系统,方法和装置。 在一个方面,确定沿着第一轴的光强度分布,并且沿着该第一轴线的光转动特征的间距基于该轮廓而变化,而沿着第二交叉轴线(例如,正交轴线)的俯仰和 光转动特征的大小保持不变。 在一些实施方式中,一种装置包括具有配置成从至少一个光发射器转动光的光转向特征阵列的光导。 光转动特征可以沿着第一轴线不均匀间隔开,使得间距非单调变化,并且沿着与第一轴线交叉的第二轴线,光转动特征以基本上相同的进展间隔开。
    • 68. 发明授权
    • Light guide with at least partially non-transmissive coating on ledge region
    • 具有至少部分不透光涂层的导光板在凸缘区域上
    • US08789995B2
    • 2014-07-29
    • US13344771
    • 2012-01-06
    • Kebin LiIon Bita
    • Kebin LiIon Bita
    • F21V7/04G06F3/038G09G5/00
    • G02B6/0035G02B6/0038G02B6/0055G02B6/0058
    • This disclosure provides systems, methods and apparatus related to an illumination system for a display device. In one aspect, the illumination system includes a light guide having a view region, which directly overlies display elements of a display, and a ledge region between the view region and a light source that injects light into the light guide. The ledge region is coated with an at least partially non-transmissive layer. The layer can be at least partially absorptive and/or at least partially reflective. In some implementations, the layer can include microstructures configured to turn steep-angle light such that it is redirected across the light guide at a shallower angle. In some implementations, the boundary between the ledge region and the view region of the light guide can have a nonlinear shape.
    • 本公开提供了与显示装置的照明系统相关的系统,方法和装置。 在一个方面,照明系统包括具有直视在显示器的显示元件上的视野区域的光导和在观察区域和将光注入到光导中的光源之间的凸缘区域。 凸缘区域涂覆有至少部分不透射的层。 该层可以是至少部分吸收的和/或至少部分反射的。 在一些实施方案中,该层可以包括构造成转动陡峭角度的光的微结构,使得其以更浅的角度被重定向穿过光导。 在一些实施方案中,凸缘区域和导光体的视野区域之间的边界可以具有非线性形状。
    • 70. 发明授权
    • Light turning feature patterns for lightguides
    • 导光灯的光转功能图案
    • US08705915B2
    • 2014-04-22
    • US13298065
    • 2011-11-16
    • Lai WangMarek MienkoIon Bita
    • Lai WangMarek MienkoIon Bita
    • G02B6/26F21V7/04
    • G02B26/001
    • This disclosure provides systems, methods and apparatus for providing illumination by using a light guide to distribute light and for determining spacing between light turning features in the light guide. In one aspect, a light intensity profile along a first axis is determined and the pitch of light turning features along that first axis is varied based upon this profile, while the pitch along a second crossing axis (for example, an orthogonal axis) and the sizes of the light turning features remain unchanged. In some implementations, an apparatus includes a light guide having an array of light turning features configured to turn light from at least one light emitter. The light turning features can be non-uniformly spaced apart along a first axis such that pitches vary non-monotonically and, along a second axis that crosses the first axis, the light turning features are spaced apart with substantially the same progression.
    • 本公开提供了通过使用光导来分配光并且用于确定光导中的光转向特征之间的间距来提供照明的系统,方法和装置。 在一个方面,确定沿着第一轴的光强度分布,并且沿着该第一轴线的光转动特征的间距基于该轮廓而变化,而沿着第二交叉轴线(例如,正交轴线)的俯仰和 光转动特征的大小保持不变。 在一些实施方式中,一种装置包括具有配置成从至少一个光发射器转动光的光转向特征阵列的光导。 光转动特征可以沿着第一轴线不均匀间隔开,使得间距非单调变化,并且沿着与第一轴线交叉的第二轴线,光转动特征以基本上相同的进展间隔开。