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    • 105. 发明申请
    • DIRECT BANDGAP SUBSTRATES AND METHODS OF MAKING AND USING
    • 直接带状基板及其制造和使用方法
    • US20130240880A1
    • 2013-09-19
    • US13890611
    • 2013-05-09
    • The Trustees of Columbia University in the City of New York
    • Vincent Wing-Ho LeeIoannis Kymissis
    • H01L33/26H01L33/00
    • H01L27/1218H01L27/1222H01L27/124H01L27/1285H01L27/1446H01L27/153H01L33/005H01L33/26H01L33/502H04N9/315
    • An indirect bandgap thin film semiconductor circuit can be combined with a compound semiconductor LED such as to provide an active matrix LED array that can have high luminous capabilities such as for a light projector application. In another example, a highly efficient optical detector is achievable through the combination of indirect and direct bandgap semiconductors. Applications can include display technologies, light detection, MEMS, chemical sensors, or piezoelectric systems. An LED array can provide structured illumination, such as for a light and pattern source for projection displays, such as without requiring spatial light modulation (SLM). An example can combine light from separate monolithic light projector chips, such as providing different component colors. An example can provide full color from a single monolithic light projector chip, such as including selectively deposited phosphors, such as to contribute individual component colors to an overall color of a pixel.
    • 间接带隙薄膜半导体电路可以与化合物半导体LED组合,以提供可以具有高发光能力的有源矩阵LED阵列,例如用于投影仪应用。 在另一个实例中,通过间接和直接带隙半导体的组合可实现高效光学检测器。 应用可以包括显示技术,光检测,MEMS,化学传感器或压电系统。 LED阵列可以提供结构照明,例如用于投影显示器的光和图案源,例如不需要空间光调制(SLM)。 一个例子可以组合来自独立的单片光投影仪芯片的光,例如提供不同的组件颜色。 一个例子可以从单个单片光投影仪芯片提供全色,例如包括选择性沉积的荧光体,例如为像素的整体颜色贡献单独的组分颜色。