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1. 发明申请

US20150109284A1 APPARATUS AND METHOD FOR DRIVING LED DISPLAY 有权
标题翻译：用于驱动LED显示器的装置和方法
公开(公告)号：US20150109284A1
公开(公告)日：2015-04-23
申请号：US14056699
申请日：2013-10-17
申请人： SCT Technology, Ltd.
发明人： Eric LI , Shean-Yih CHIOU , Shang-Kuan TANG , Xinchao PENG
IPC分类号： G09G3/32
CPC分类号： G09G3/32 , G09G3/2088 , G09G5/12 , G09G2330/06
摘要： The apparatus for driving LED display includes a system control unit having a synchronization signal generator configured to generate a synchronization start signal and a plurality of phase locked loop circuits. Each of the phase locked loop circuits includes a divider coupled to the voltage controlled oscillator and configured to change the sequence of dividing ratios over a modulation period, a sigma delta modulator configured to generate a sequence of random numbers to the divider, and a spread spectrum modulation depth controller coupled to the sigma delta modulator and configured to receive the synchronization start signal from the synchronization signal generator. Upon receipt of the synchronization start signal, the spread spectrum modulation depth controller starts a spread spectrum modulation.
摘要翻译：用于驱动LED显示器的装置包括具有同步信号发生器的系统控制单元，其被配置为产生同步起始信号和多个锁相环电路。每个锁相环电路包括耦合到压控振荡器并被配置为在调制周期上改变分频比的序列的分频器，配置成产生分频器的随机数序列的Σ-Δ调制器，以及扩展频谱调制深度控制器，其耦合到所述Σ-Δ调制器并且被配置为从所述同步信号发生器接收所述同步开始信号。在接收到同步开始信号时，扩频调制深度控制器开始扩频调制。

2. 发明申请

US20170084253A1 LED DISPLAY DEVICE AND METHOD FOR OPERATING THE SAME 有权
公开(公告)号：US20170084253A1
公开(公告)日：2017-03-23
申请号：US15370786
申请日：2016-12-06
申请人： SCT TECHNOLOGY, LTD.
发明人： Eric LI , Juinn-Yan Chen , Shean-Yih CHIOU , Shang-Kuan TANG
IPC分类号： G09G5/395 , G09G5/393
CPC分类号： G09G5/395 , G09G3/32 , G09G3/3208 , G09G5/006 , G09G5/393 , G09G2300/026 , G09G2352/00 , G09G2370/02 , G09G2370/04 , G09G2370/042 , G09G2370/10 , G09G2370/14
摘要： This disclosure describes an LED display device. The LED display device includes a transmitter having a memory and a pixel mapping table, a plurality of first receivers coupled to the transmitter, a plurality of second receiver modules, and a plurality of LED driver groups. A unique address is assigned to a data packet with a use of the pixel mapping table. The data packet has a set of field information and the set of field information includes the unique address. Each of the second receiver modules is coupled to at least one of the first receivers and includes a plurality of second receivers. None of the plurality of second receivers comprises a pixel mapping memory. Each of the LED driver groups is coupled to one of the plurality of second receivers and includes a plurality of LED drivers.

3. 发明申请

US20160027385A1 APPARATUS AND METHOD FOR CONTROLLING LED DISPLAY 有权
标题翻译：用于控制LED显示器的装置和方法
公开(公告)号：US20160027385A1
公开(公告)日：2016-01-28
申请号：US14340410
申请日：2014-07-24
申请人： SCT TECHNOLOGY, LTD.
发明人： Eric LI , Shang-Kuan TANG , Wenjie YANG , Yutao CHEN , Tianqi QIU , Jun TIAN , Hui LI
IPC分类号： G09G3/34 , G09G3/32
CPC分类号： G09G3/32 , G09G3/2014
摘要： The current disclosure provides an LED display control circuit. The control circuit has a device configured to separate a first PWM data into LSB data and MSB data. The control circuit also comprises a LSB circuit coupled to a plurality of LED channels. The LSB circuit is configured to supply LSB data to each of the plurality of LED channels.
摘要翻译：本公开提供了一种LED显示控制电路。控制电路具有被配置为将第一PWM数据分离成LSB数据和MSB数据的装置。控制电路还包括耦合到多个LED通道的LSB电路。 LSB电路被配置为向多个LED通道中的每一个提供LSB数据。

4. 发明申请

US20150109281A1 APPARATUS AND METHOD FOR DRIVING LED DISPLAY 有权
标题翻译：用于驱动LED显示器的装置和方法
公开(公告)号：US20150109281A1
公开(公告)日：2015-04-23
申请号：US14056742
申请日：2013-10-17
申请人： SCT TECHNOLOGY, LTD.
发明人： Eric LI , Shean-Yih CHIOU , Shang-Kuan TANG , Xinchao PENG
IPC分类号： G09G3/32
CPC分类号： G09G3/32 , G09G2310/0216 , G09G2310/0245 , G09G2310/08 , G09G2320/0233 , G09G2330/06 , H03L7/1974
摘要： An apparatus for driving LED display includes a plurality of phase locked loop circuits. Each of the phase locked loop circuits includes a divider configured to receive the voltage controlled output signal and generate the feedback signal, a memory configured to generate a modulation profile codes and a sigma delta block. The divider receives a randomized numbers so as to change a dividing ratio over a modulation period. The sigma delta block includes at least one sigma delta modulator and at least one gain block. The sigma delta block is configured to receive the modulation profile codes and generate the randomized numbers to the divider. Each of the at least one gain block is configured to generate a value that is multiplied to at least one of the at least one sigma delta modulator so as to change a spread spectrum modulation depth.
摘要翻译：用于驱动LED显示器的装置包括多个锁相环电路。每个锁相环电路包括被配置为接收压控输出信号并产生反馈信号的分频器，被配置为产生调制分布码和Σ-Δ块的存储器。分频器接收随机数，以便在调制周期上改变分频比。 Σ-Δ块包括至少一个Σ-Δ调制器和至少一个增益块。 Σ-Δ块被配置为接收调制分布码，并将该随机化的数字产生到分频器。所述至少一个增益块中的每一个被配置为生成与所述至少一个Σ-Δ调制器中的至少一个相乘的值，以便改变扩频调制深度。

5. 发明申请

US20190295457A1 LED DISPLAY DEVICE AND METHOD FOR OPERATING THE SAME 审中-公开
公开(公告)号：US20190295457A1
公开(公告)日：2019-09-26
申请号：US15933370
申请日：2018-03-22
申请人： SCT TECHNOLOGY, LTD.
发明人： Eric LI , Juinn-Yan Chen , Shean-Yih CHIOU , Shang-Kuan TANG
IPC分类号： G09G3/32 , G09G5/00
摘要： An LED display device includes a transmitter having a memory and a pixel mapping table, a plurality of first receivers coupled to the transmitter, a plurality of second receiver modules, and a plurality of LED driver groups. A unique address is assigned to a data packet with a use of the pixel mapping table. The data packet has a set of field information and the set of field information includes the unique address. Each of the second receiver modules is coupled to at least one of the first receivers and includes a plurality of second receivers. None of the plurality of second receivers comprises a pixel mapping memory. Each of the LED driver groups is coupled to one of the plurality of second receivers and includes a plurality of LED drivers.

6. 发明申请

US20170084223A1 LED DISPLAY DEVICE AND METHOD FOR OPERATING THE SAME 有权
公开(公告)号：US20170084223A1
公开(公告)日：2017-03-23
申请号：US15370712
申请日：2016-12-06
申请人： SCT TECHNOLOGY, LTD.
发明人： Eric LI , Juinn-Yan Chen , Shean-Yih CHIOU , Shang-Kuan TANG
IPC分类号： G09G3/32
CPC分类号： G09G3/32 , G06F3/1446 , G09G3/3208 , G09G5/006 , G09G5/393 , G09G5/395 , G09G2300/026 , G09G2352/00 , G09G2370/02 , G09G2370/04 , G09G2370/042 , G09G2370/10 , G09G2370/14
摘要： This disclosure describes an LED display device. The LED display device includes a transmitter, a plurality of first receivers coupled to the transmitter, a plurality of second receiver modules, wherein each of the second receiver modules is coupled to at least one of the first receivers and comprises a plurality of second receivers, a plurality of LED driver groups, each of the LED driver groups coupled to at least one of the second receivers and having a plurality of LED drivers, and a transformerless wire link connecting the plurality of first receivers to the plurality of second receiver modules, or the transformerless wire link connecting adjacent receivers of the plurality of second receivers therebetween.

7. 发明申请

US20150137705A1 APPARATUS AND METHOD FOR DRIVING LED DISPLAY 有权
标题翻译：用于驱动LED显示器的装置和方法
公开(公告)号：US20150137705A1
公开(公告)日：2015-05-21
申请号：US14082841
申请日：2013-11-18
申请人： SCT Technology, Ltd.
发明人： Eric LI , Shang-Kuan TANG , Shen LEI , Yi ZHANG
IPC分类号： G09G5/10
CPC分类号： G09G5/10 , G09G3/3283 , G09G2320/064 , G09G2330/12 , H03K2005/00202
摘要： This disclosure provides an output stage for a LED driver circuit. The output stage has an input module, a regulator module for maintaining a constant internal voltage, and an output module for generating output signals.
摘要翻译：本公开提供了用于LED驱动器电路的输出级。输出级具有输入模块，用于维持恒定的内部电压的调节器模块和用于产生输出信号的输出模块。

8. 发明申请

US20150123555A1 LED DISPLAY SYSTEMS 有权
标题翻译： LED显示系统
公开(公告)号：US20150123555A1
公开(公告)日：2015-05-07
申请号：US14598695
申请日：2015-01-16
申请人： SCT TECHNOLOGY, LTD.
发明人： Eric LI , Chun LU , Shahnad NADERSHAHI , Shang-Kuan TANG
IPC分类号： H05B33/08
CPC分类号： H05B33/0818 , G09G3/2018 , G09G3/32 , G09G3/3216 , G09G3/3283 , G09G3/3406 , G09G3/3413 , G09G3/3426 , G09G5/10 , G09G2320/0242 , G09G2320/0257 , G09G2320/0285 , G09G2320/029 , G09G2320/062 , G09G2320/064 , G09G2320/0666 , G09G2330/06 , H05B33/0857
摘要： An LED display system comprises an LED array and an LED driver circuit. An LED driver circuit comprises components including a phase lock loop, a pulse width modulation engine, a configuration register, a series of gain adjustable fast charge current sources, and a serial input/output interface. The components in this driver circuit may be integrated on a same chip. The LED array may be arranged in a common cathode configuration.
摘要翻译： LED显示系统包括LED阵列和LED驱动电路。 LED驱动器电路包括包括锁相环，脉宽调制引擎，配置寄存器，一系列增益可调快速充电电流源和串行输入/输出接口的组件。该驱动器电路中的组件可以集成在同一芯片上。 LED阵列可以布置成共同的阴极配置。

9. 发明申请

US20170018260A1 DISPLAY DEVICE, METHOD FOR TRANSMITTING DATA PACKET, AND LED SYSTEM 有权
标题翻译：显示设备，发送数据包的方法和LED系统
公开(公告)号：US20170018260A1
公开(公告)日：2017-01-19
申请号：US14798034
申请日：2015-07-13
申请人： SCT TECHNOLOGY, LTD.
发明人： Eric LI , Shean-Yih CHIOU , Shang-Kuan TANG , Xinchao PENG , Jun TIAN , Tianqi QIU , Yi ZHANG , Wenjie YANG , Zhe GONG , Yutao CHEN
IPC分类号： G09G5/395 , G09G5/393
CPC分类号： G09G3/3208 , G09G3/32 , G09G5/006 , G09G2300/026 , G09G2352/00 , G09G2360/18 , G09G2370/042 , G09G2370/10
摘要： A display device is provided. The display device includes a transmitter, a plurality of first receivers, a plurality of second receiver modules, and a plurality of LED driver groups. The transmitter transmits at least one of a configuration data packet and an image data packet. Each of the configuration and image data packets includes a set of field information. At least one first receiver is coupled to the transmitter. Each of the plurality of second receiver modules is coupled to at least one of first receivers. Each of the plurality of second receiver modules includes a plurality of second receivers. Each of the second receivers reads the set of field information so as to determine whether the set of field information is designated thereto. Each of the plurality of LED driver groups is coupled to the at least one of the second receivers. Each of the plurality of LED driver groups includes a plurality of LED drivers. The set of field information includes information of a designated second receiver in the plurality of the second receivers.
摘要翻译：提供显示装置。显示装置包括发射器，多个第一接收器，多个第二接收器模块和多个LED驱动器组。发射机发送配置数据分组和图像数据分组中的至少一个。每个配置和图像数据包都包括一组字段信息。至少一个第一接收器耦合到发射机。多个第二接收器模块中的每一个耦合到第一接收器中的至少一个。多个第二接收器模块中的每一个包括多个第二接收器。每个第二接收器读取字段信息集合，以便确定该字段信息集是否被指定。多个LED驱动器组中的每一个耦合到所述第二接收器中的至少一个。多个LED驱动器组中的每一个包括多个LED驱动器。所述一组场信息包括多个第二接收机中指定的第二接收机的信息。

10. 发明申请

US20160019829A1 METHOD AND APPARATUS FOR DRIVING A LED DISPLAY 有权
标题翻译：驱动LED显示屏的方法和装置
公开(公告)号：US20160019829A1
公开(公告)日：2016-01-21
申请号：US14337165
申请日：2014-07-21
申请人： SCT TECHNOLOGY, LTD.
发明人： Eric LI , Shang-Kuan TANG , Wenjie YANG , Yi ZHANG
IPC分类号： G09G3/32 , G09G3/34
CPC分类号： G09G3/32 , G09G3/2014 , G09G3/3413 , G09G2320/0285 , G09G2320/064 , G09G2320/0666 , G09G2330/06
摘要： The LED display system comprises an array of LEDs and a driver circuit that employs a scrambled PWM generator. The scrambled PWM generator is configured to generate a plurality of PWM pulses. The PWM pulses are distributed into a corresponding number of refresh segments. The driver circuit is configured so that one or more of PWM pulses are extendable by a certain offset value so that the pulse width in the corresponding refresh segments is wide enough for the LED to emit light.
摘要翻译： LED显示系统包括LED阵列和采用加扰PWM发生器的驱动电路。加扰PWM发生器被配置为产生多个PWM脉冲。 PWM脉冲被分配到相应数量的刷新段。驱动器电路被配置为使得一个或多个PWM脉冲可延伸某个偏移值，使得相应的刷新段中的脉冲宽度足够大以使LED发光。

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