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    • 25. 发明授权
    • High-speed avalanche light emitting diode (ALED) and related apparatus and method
    • 高速雪崩发光二极管(ALED)及相关设备及方法
    • US08344394B1
    • 2013-01-01
    • US12584904
    • 2009-09-15
    • Vladislav VashchenkoPeter J. HopperPhilipp Lindorfer
    • Vladislav VashchenkoPeter J. HopperPhilipp Lindorfer
    • H01L33/00
    • H01L33/0012H01L33/34H01L33/647
    • A circuit includes multiple doped regions in a substrate. A first of the doped regions has a tip proximate to a second of the doped regions and is separated from the second doped region by an intrinsic region to form a P-I-N structure. The circuit also includes first and second electrodes electrically coupled to the first and second doped regions, respectively. The electrodes are configured to supply voltages to the first and second doped regions to reverse bias the P-I-N structure and generate light. The first doped region could include multiple tips, the second doped region could include multiple tips, and each tip of the first doped region could be proximate to one of the tips of the second doped region to form multiple P-I-N structures. The P-I-N structure could also be configured to operate in double avalanche injection conductivity mode with internal positive feedback.
    • 电路包括衬底中的多个掺杂区域。 掺杂区域中的第一个具有靠近第二掺杂区域的尖端,并且与第二掺杂区域分离出本征区域以形成P-I-N结构。 电路还包括分别电耦合到第一和第二掺杂区域的第一和第二电极。 电极被配置为向第一和第二掺杂区域提供电压以反向偏置P-I-N结构并产生光。 第一掺杂区域可以包括多个尖端,第二掺杂区域可以包括多个尖端,并且第一掺杂区域的每个尖端可以接近第二掺杂区域的尖端之一以形成多个P-I-N结构。 P-I-N结构也可以被配置为在具有内部正反馈的双雪崩注入电导模式下工作。