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    • 8. 发明授权
    • Dual film light guide for illuminating displays
    • 用于照明显示屏的双膜光导
    • US08373821B2
    • 2013-02-12
    • US12795542
    • 2010-06-07
    • Jeffrey B. SampsellRussell W. GruhlkeMark MienkoGang XuIon Bita
    • Jeffrey B. SampsellRussell W. GruhlkeMark MienkoGang XuIon Bita
    • G02F1/1335
    • G02B6/0053G02B6/0038G02B26/001
    • A front light guide panel including a plurality of embedded surface features is provided. The front light panel is configured to deliver uniform illumination from an artificial light source disposed at one side of the font light panel to an array of display elements located behind the front light guide while allowing for the option of illumination from ambient lighting transmitted through the light guide panel. The surface embedded surface relief features create air pockets within the light guide panel. Light incident on the side surface of the light guide propagates though the light guide until it strikes an air/light material guide interface at one on the air pockets. The light is then turned by total internal reflection through a large angle such that it exits an output face disposed in front of the array of display elements.
    • 提供了包括多个嵌入表面特征的前导光板。 前面板被配置成将来自设置在字体灯面板的一侧的人造光源的均匀照明传送到位于前导光体后面的显示元件的阵列,同时允许从透过光的环境光照射的选择 导板。 表面嵌入式表面浮雕特征在导光板内形成气穴。 入射在光导的侧表面的光通过光导传播,直到其在空气袋上的空气/光材料引导界面上撞击。 然后光通过大的角度的全内反射转动,使得它离开布置在显示元件阵列前面的输出面。
    • 10. 发明申请
    • OPTICAL FEATURES FOR SOLAR CELLS
    • 太阳能电池的光学特性
    • US20110308609A1
    • 2011-12-22
    • US12817980
    • 2010-06-17
    • Jeffrey B. Sampsell
    • Jeffrey B. Sampsell
    • H01L31/00H01L31/18
    • H01L31/022425H01L31/0547H01L31/068H01L31/072H01L31/075Y02E10/52Y02E10/547Y02E10/548
    • Reflectors formed in front of a solar cell reduce loss from reflections from specular conductors formed in front of the photovoltaic material in the solar cell by reflecting light otherwise incident upon the conductors onto the photovoltaic material. In one embodiment, a solar cell includes a photovoltaic material having a front surface, a conductive bus line extending along a first direction, the conductive bus line being disposed over the front surface of the photovoltaic material, a primary reflector disposed on the bus line, the primary reflector comprising a first reflective surface obtusely angled relative to the front surface of the photovoltaic material to reflect light onto the photovoltaic material, and a first secondary reflector extending along the first direction, spaced apart from the conductive bus line, the first secondary reflector comprising at least one reflective surface to reflect a portion of light reflected from the primary reflector towards the photovoltaic material.
    • 形成在太阳能电池前面的反射器通过反射入射到光伏材料上的光而将太阳能电池中的光电材料前面形成的镜面导体的反射减少。 在一个实施例中,太阳能电池包括具有前表面的光伏材料,沿着第一方向延伸的导电总线,设置在光伏材料前表面上的导电总线,设置在总线上的主反射器, 所述主反射器包括相对于所述光伏材料的前表面钝角的第一反射表面以将光反射到所述光伏材料上,以及沿着所述第一方向延伸的第一次级反射器,与所述导电总线间隔开,所述第一次级反射器 包括至少一个反射表面以将从主反射器反射的光的一部分反射向光伏材料。