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    • 51. 发明申请
    • 3D Integrated circuit in planar process
    • 3D平面过程中的集成电路
    • US20120074505A1
    • 2012-03-29
    • US13311115
    • 2011-12-05
    • Zhao WangWenbo TianHang Yin
    • Zhao WangWenbo TianHang Yin
    • H01L27/06
    • H01L21/8221H01L27/0688H01L27/0705
    • Techniques related to 3D integrated circuits formed on a single wafer are disclosed. According to one embodiment, an integrated circuit comprises a first device forming a first projection area on a wafer and a second device forming a second projection area on the wafer. The first projection area overlaps with the second projection area partially or completely. The area being shared between the two devices refers to the partial or complete overlapping of the projection areas of the two devices. In one embodiment, two or more devices in different layers of the integrated circuit or two or more devices at different depths in a same layer of the integrated circuit may share an area on the same wafer in a certain manner. Thereby, the area of the chip is saved and the chip cost of the integrated circuit is significantly reduced.
    • 公开了在单个晶片上形成的与3D集成电路相关的技术。 根据一个实施例,集成电路包括形成晶片上的第一投影区域的第一器件和在晶片上形成第二投影区域的第二器件。 第一投影区域部分或完全与第二投影区域重叠。 两个设备之间共享的区域是指两个设备的投影区域的部分或完全重叠。 在一个实施例中,集成电路的不同层中的两个或更多个器件或集成电路的同一层中不同深度的两个或多个器件可以以某种方式共享相同晶片上的区域。 由此,可以节省芯片的面积,显着降低集成电路的芯片成本。
    • 55. 发明授权
    • Driver and method for driving LEDS on multiple branch circuits
    • 驱动器和多路分支电路驱动LEDS的方法
    • US07710049B2
    • 2010-05-04
    • US12122750
    • 2008-05-19
    • Zhao WangHang YinWenbo Tian
    • Zhao WangHang YinWenbo Tian
    • H05B37/02
    • H05B33/0827H05B33/0815H05B33/0851Y02B20/346
    • Techniques pertaining to driving LEDs on multiple branches of a circuit are disclosed. According to one aspect of the present invention, an LED drive circuit includes a boost circuit configured for receiving an input voltage and providing an output voltage according to a control signal, a selector configured for alternatively selecting one of the feedback signals as an output feedback signal and switching on a corresponding branch circuit, and a pulse-width modulation (PWM) controller configured for generating a pulse-width modulation signal as the control signal for the boost circuit according to the output feedback signal of the selector, essentially to match respective currents in the multiple branches.
    • 公开了在电路的多个分支上驱动LED的技术。 根据本发明的一个方面,一种LED驱动电路包括:升压电路,被配置为接收输入电压并根据控制信号提供输出电压;选择器,被配置为选择反馈信号之一作为输出反馈信号 并且接通相应的分支电路;以及脉冲宽度调制(PWM)控制器,被配置为根据选择器的输出反馈信号产生脉冲宽度调制信号作为升压电路的控制信号, 在多个分支。