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    • 1. 发明授权
    • Apparatus and method for driving light emitting diode
    • 用于驱动发光二极管的装置和方法
    • US09099044B2
    • 2015-08-04
    • US12897794
    • 2010-10-05
    • Chun-Ting KuoChun-Fu LinCheng-Han Hsieh
    • Chun-Ting KuoChun-Fu LinCheng-Han Hsieh
    • G06F3/038G09G3/34
    • G09G3/342
    • A driving apparatus for driving at least one first light emitting diode unit and a second light emitting diode unit includes a data transmitting unit and a driving unit. The data transmitting unit is used for receiving and storing driving data. The driving data includes first data corresponding to a first driving signal and second data corresponding to a second driving signal. The driving unit divides the first driving signal into a plurality of first sub-driving signals and the second driving signal into a plurality of second sub-driving signals, and then alternately outputs the first sub-driving signals and the second sub-driving signals to alternately drive the first light emitting diode unit and the second light emitting diode unit.
    • 用于驱动至少一个第一发光二极管单元和第二发光二极管单元的驱动装置包括数据发送单元和驱动单元。 数据发送单元用于接收和存储驾驶数据。 驱动数据包括对应于第一驱动信号的第一数据和对应于第二驱动信号的第二数据。 驱动单元将第一驱动信号分成多个第一子驱动信号,将第二驱动信号分成多个第二子驱动信号,然后交替地将第一副驱动信号和第二副驱动信号输出到 交替地驱动第一发光二极管单元和第二发光二极管单元。
    • 2. 发明申请
    • DRIVING CIRCUIT OF LIGHT EMITTING DIODE, DECODING CIRCUIT AND DECODING METHOD THEREOF
    • 发光二极管的驱动电路,解码电路及其解码方法
    • US20120026019A1
    • 2012-02-02
    • US13103819
    • 2011-05-09
    • CHUN-FU LINChun-Ting KuoCheng-Han Hsieh
    • CHUN-FU LINChun-Ting KuoCheng-Han Hsieh
    • H03M7/00H05B37/02
    • H05B33/0845H05B37/0272
    • A driving circuit, a decoding circuit and a decoding method thereof are provided. The decoding circuit includes an oscillator and a decoder including a frequency determining unit and a decoding unit. The frequency determining unit receives a clock signal and a data signal which is corresponding to DMX512 protocol, and samples one slot of the data signal according to the clock signal to generate a sample number corresponding to a slot period of the slot. Then, the frequency determining unit outputs a reference signal corresponding to the frequency of the clock signal according to the sample number. The decoding unit samples the data signal according to the clock signal and the reference signal to decode data carried on the data signal. The decoding circuit is able to sample the data signal correctly without disposing any external frequency adjusting element.
    • 提供驱动电路,解码电路及其解码方法。 解码电路包括振荡器和包括频率确定单元和解码单元的解码器。 频率确定单元接收对应于DMX512协议的时钟信号和数据信号,并根据时钟信号对数据信号的一个时隙进行采样,以产生与该时隙的时隙周期对应的采样数。 然后,频率确定单元根据样本号输出与时钟信号的频率相对应的参考信号。 解码单元根据时钟信号和参考信号对数据信号进行采样,以对数据信号上承载的数据进行解码。 解码电路能够正确地对数据信号进行采样,而无需设置任何外部频率调节元件。
    • 5. 发明申请
    • DRIVING CIRCUIT OF LIGHT EMITTING DIODE
    • 发光二极管的驱动电路
    • US20110156604A1
    • 2011-06-30
    • US12975362
    • 2010-12-22
    • Chun-Ting KuoChun-Fu LinCheng-Han Hsieh
    • Chun-Ting KuoChun-Fu LinCheng-Han Hsieh
    • H05B37/02H05B41/24H05B37/00
    • H05B33/0827
    • A driving circuit of a light emitting diode (LED) is provided, including a driving unit, a current pre-charging unit and a feedback selecting unit. The driving unit outputs a driving power to drive the LEDs and outputs at least a first feedback signal according to the current conducted by the LEDs. The current pre-charging unit is coupled to an output of the driving unit to provide a current path to the driving unit and generates a second feedback signal according to a current conducted by the current pre-charging unit. The feedback selecting unit selects and outputs one of first feedback signals or the second feedback signal according to an enable signal, and the driving unit adjusts the driving power according to an output of the feedback selecting unit so as to maintain a current driving capability of the driving circuit to provide a sufficient current to drive the LEDs.
    • 提供了一种发光二极管(LED)的驱动电路,包括驱动单元,电流预充电单元和反馈选择单元。 驱动单元输出用于驱动LED的驱动电力,并且根据由LED传导的电流至少输出第一反馈信号。 当前预充电单元耦合到驱动单元的输出端以提供到驱动单元的电流路径,并根据当前预充电单元传导的电流产生第二反馈信号。 反馈选择单元根据使能信号选择并输出第一反馈信号或第二反馈信号中的一个,并且驱动单元根据反馈选择单元的输出来调整驱动功率,以保持驱动能力 驱动电路以提供足够的电流来驱动LED。
    • 6. 发明授权
    • Decoding circuit and decoding method thereof
    • 解码电路及其解码方法
    • US08421652B2
    • 2013-04-16
    • US12915068
    • 2010-10-29
    • Chun-Ting KuoChun-Fu LinCheng-Han Hsieh
    • Chun-Ting KuoChun-Fu LinCheng-Han Hsieh
    • H03M5/08
    • H03M7/006
    • A decoding circuit is adapted for decoding an input signal. The input signal includes at least a break and the time length of the break is a preset time. The decoding circuit includes a decoding unit and a detecting unit. The detecting unit detects whether the voltage level of the input signal is kept at a specific logic level for more than the preset time. If the input signal is kept at the specific logic level for more than the preset time, the detecting circuit, according to the voltage level of the specific logic level, outputs the input signal or the inverted input signal to the decoding unit so as to perform a decoding process.
    • 解码电路适于对输入信号进行解码。 输入信号至少包括一个断点,断点的时间长度是预设的时间。 解码电路包括解码单元和检测单元。 检测单元检测输入信号的电压电平是否保持在特定逻辑电平超过预设时间。 如果输入信号保持在特定逻辑电平超过预设时间,则检测电路根据特定逻辑电平的电压电平将输入信号或反相输入信号输出到解码单元,以执行 一个解码过程。
    • 7. 发明申请
    • APPARATUS AND METHOD FOR DRIVING LIGHT EMITTING DIODE
    • 用于驱动发光二极管的装置和方法
    • US20110234579A1
    • 2011-09-29
    • US12897794
    • 2010-10-05
    • Chun-Ting KuoChun-Fu LinCheng-Han Hsieh
    • Chun-Ting KuoChun-Fu LinCheng-Han Hsieh
    • G06F3/038
    • G09G3/342
    • A driving apparatus for driving at least one first light emitting diode unit and a second light emitting diode unit includes a data transmitting unit and a driving unit. The data transmitting unit is used for receiving and storing driving data. The driving data includes first data corresponding to a first driving signal and second data corresponding to a second driving signal. The driving unit divides the first driving signal into a plurality of first sub-driving signals and the second driving signal into a plurality of second sub-driving signals, and then alternately outputs the first sub-driving signals and the second sub-driving signals to alternately drive the first light emitting diode unit and the second light emitting diode unit.
    • 用于驱动至少一个第一发光二极管单元和第二发光二极管单元的驱动装置包括数据发送单元和驱动单元。 数据发送单元用于接收和存储驾驶数据。 驱动数据包括对应于第一驱动信号的第一数据和对应于第二驱动信号的第二数据。 驱动单元将第一驱动信号分成多个第一子驱动信号,将第二驱动信号分成多个第二子驱动信号,然后交替地将第一副驱动信号和第二副驱动信号输出到 交替地驱动第一发光二极管单元和第二发光二极管单元。
    • 8. 发明授权
    • LED driver having a pre-chargeable feedback for maintaining current and the method using the same
    • LED驱动器具有用于维持电流的预充电反馈和使用其的方法
    • US08598803B2
    • 2013-12-03
    • US12975362
    • 2010-12-22
    • Chun-Ting KuoChun-Fu LinCheng-Han Hsieh
    • Chun-Ting KuoChun-Fu LinCheng-Han Hsieh
    • G05F1/00
    • H05B33/0827
    • A driving circuit of a light emitting diode (LED), including a driving unit, a current pre-charging unit and a feedback unit, is provided. The driving unit outputs a driving power to drive the LEDs and outputs at least one first feedback signal according to the current conducted in the LEDs. The current pre-charging unit is coupled to an output of the driving unit to provide a current path to the driving unit and generates a second feedback signal. One of the at least one first feedback signal is selected to adjust the driving power when the enable signal is at a first logic level; the second feedback signal is selected to adjust the driving power when the enable signal is at a second logic level so as to maintain a current to drive the LEDs.
    • 提供了包括驱动单元,电流预充电单元和反馈单元的发光二极管(LED)的驱动电路。 驱动单元输出用于驱动LED的驱动电力,并根据LED中传导的电流输出至少一个第一反馈信号。 当前的预充电单元耦合到驱动单元的输出端以提供到驱动单元的电流路径并产生第二反馈信号。 当使能信号处于第一逻辑电平时,选择至少一个第一反馈信号中的一个来调节驱动功率; 选择第二反馈信号以在使能信号处于第二逻辑电平时调节驱动功率,以维持驱动LED的电流。