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1. 发明申请

US20090153220A1 SOURCE DRIVER AND POWER DOWN DETECTOR THEREOF 有权
标题翻译：源驱动器和掉电检测器
公开(公告)号：US20090153220A1
公开(公告)日：2009-06-18
申请号：US12098748
申请日：2008-04-07
申请人： Chuan-Che Lee , Tsung-Yu Wu , Yu-Jui Chang , Kuan-Sheng Huang
发明人： Chuan-Che Lee , Tsung-Yu Wu , Yu-Jui Chang , Kuan-Sheng Huang
IPC分类号： H03L5/00
CPC分类号： H03K17/22 , G09G3/3688 , G09G2320/02 , G09G2330/021
摘要： The present invention discloses a source driver powered by a power supply comprising at least one channel, at least one output pad coupled to the channel, at least one switch connected between the output pad and a predetermined voltage, and a power down detector for detecting whether a first supply voltage from the power supply is insufficient and generating a reset signal to turn on the switch if yes.
摘要翻译：本发明公开了一种由电源供电的源极驱动器，电源包括至少一个通道，耦合到通道的至少一个输出焊盘，连接在输出焊盘和预定电压之间的至少一个开关，以及用于检测是否来自电源的第一电源电压不足，并且如果是，则产生复位信号以接通开关。

2. 发明授权

US07782097B2 Source driver and power down detector thereof 有权
标题翻译：源驱动器及其掉电检测器
公开(公告)号：US07782097B2
公开(公告)日：2010-08-24
申请号：US12098748
申请日：2008-04-07
申请人： Chuan-Che Lee , Tsung-Yu Wu , Yu-Jui Chang , Kuan-Sheng Huang
发明人： Chuan-Che Lee , Tsung-Yu Wu , Yu-Jui Chang , Kuan-Sheng Huang
IPC分类号： H03B1/00
CPC分类号： H03K17/22 , G09G3/3688 , G09G2320/02 , G09G2330/021
摘要： The present invention discloses a source driver powered by a power supply comprising at least one channel, at least one output pad coupled to the channel, at least one switch connected between the output pad and a predetermined voltage, and a power down detector for detecting whether a first supply voltage from the power supply is insufficient and generating a reset signal to turn on the switch when the first supply voltage from the power supply is insufficient.
摘要翻译：本发明公开了一种由电源供电的源极驱动器，电源包括至少一个通道，耦合到通道的至少一个输出焊盘，连接在输出焊盘和预定电压之间的至少一个开关，以及用于检测是否当来自电源的第一电源电压不足时，来自电源的第一电源电压不足并产生复位信号以接通开关。

3. 发明申请

US20090058194A1 SOURCE DRIVER AND METHOD FOR RESTRAINING NOISE THEREOF 有权
标题翻译：源驱动器及其噪声抑制方法
公开(公告)号：US20090058194A1
公开(公告)日：2009-03-05
申请号：US11940031
申请日：2007-11-14
申请人： Chuan-Che Lee , Tsung-Yu Wu , Yu-Jui Chang
发明人： Chuan-Che Lee , Tsung-Yu Wu , Yu-Jui Chang
IPC分类号： H02H3/24
CPC分类号： G09G3/3685 , G09G2310/0297 , G09G2330/02 , G09G2330/027 , Y10T307/858
摘要： The present invention discloses a source driver and a method for restraining noise output by a source driver during power on/off of a power supply. The source driver includes a multiplexer, at least two channels and at least two output pads. The channels are connected to the output pads via the multiplexer. The source driver is powered by a first supply voltage from the power supply. The two output pads are connected via a charge sharing switch. The method comprises the following steps. First, determine whether the first supply voltage is insufficient, and if yes, perform the following steps. Turn off the charge sharing switch. Then, disconnect the channels from the output pads by the multiplexer.
摘要翻译：本发明公开了一种源极驱动器和一种用于在电源接通/断开期间抑制源极驱动器的噪声输出的方法。源极驱动器包括多路复用器，至少两个通道和至少两个输出焊盘。通道通过多路复用器连接到输出焊盘。源驱动器由电源的第一个电源供电。两个输出焊盘通过电荷共享开关连接。该方法包括以下步骤。首先，确定第一电源电压是否不足，如果是，请执行以下步骤。关闭电荷共享开关。然后，通过多路复用器从输出焊盘断开通道。

4. 发明授权

US08493306B2 Source driver and method for restraining noise thereof 有权
标题翻译：源驱动器及其抑制噪声的方法
公开(公告)号：US08493306B2
公开(公告)日：2013-07-23
申请号：US11850931
申请日：2007-09-06
申请人： Chuan-Che Lee , Tsung-Yu Wu , Yu-Jui Chang
发明人： Chuan-Che Lee , Tsung-Yu Wu , Yu-Jui Chang
IPC分类号： G09G3/36
CPC分类号： G09G3/20 , G09G2310/027 , G09G2310/0297 , G09G2330/022 , H03K17/223
摘要： The present invention discloses a source driver and a method for restraining noise output by a source driver during power on/off of a power supply. The source driver includes a data bus, a plurality of channels, a multiplexer and a plurality of output pads. The channels are connected to the output pads via the multiplexer. Each channel has a latch unit. Data is transmitted on the data bus and stored in the latch units. The source driver is powered by a first supply voltage from the power supply. The method comprises determining whether the first supply voltage is insufficient, and if yes, performing the following steps. First, set the data transmitted on the data bus to be a predetermined value. Then, keep the latch units turned on, thereby the data is sent out from the latch units. Then, keep the multiplexer turned on for outputting a driving voltage based on the data via the output pads.
摘要翻译：本发明公开了一种源极驱动器和一种用于在电源接通/断开期间抑制源极驱动器的噪声输出的方法。源极驱动器包括数据总线，多个通道，多路复用器和多个输出焊盘。通道通过多路复用器连接到输出焊盘。每个通道都有一个锁存单元。数据在数据总线上传输并存储在锁存单元中。源极驱动器由电源的第一个电源供电。该方法包括确定第一电源电压是否不足，如果是，则执行以下步骤。首先，将在数据总线上发送的数据设置为预定值。然后，保持锁存单元的开启，从锁存单元发出数据。然后，保持多路复用器开启，通过输出焊盘输出基于数据的驱动电压。

5. 发明授权

US07965114B2 Source driver and method for restraining noise thereof 有权
标题翻译：源驱动器及其抑制噪声的方法
公开(公告)号：US07965114B2
公开(公告)日：2011-06-21
申请号：US11940031
申请日：2007-11-14
申请人： Chuan-Che Lee , Tsung-Yu Wu , Yu-Jui Chang
发明人： Chuan-Che Lee , Tsung-Yu Wu , Yu-Jui Chang
IPC分类号： H03L7/00 , G06F3/038
CPC分类号： G09G3/3685 , G09G2310/0297 , G09G2330/02 , G09G2330/027 , Y10T307/858
摘要： The present invention discloses a source driver and a method for restraining noise output by a source driver during power on/off of a power supply. The source driver includes a multiplexer, at least two channels and at least two output pads. The channels are connected to the output pads via the multiplexer. The source driver is powered by a first supply voltage from the power supply. The two output pads are connected via a charge sharing switch. The method comprises the following steps. First, determine whether the first supply voltage is insufficient, and if yes, perform the following steps. Turn off the charge sharing switch. Then, disconnect the channels from the output pads by the multiplexer.
摘要翻译：本发明公开了一种源极驱动器和一种用于在电源接通/断开期间抑制源极驱动器的噪声输出的方法。源极驱动器包括多路复用器，至少两个通道和至少两个输出焊盘。通道通过多路复用器连接到输出焊盘。源极驱动器由电源的第一个电源供电。两个输出焊盘通过电荷共享开关连接。该方法包括以下步骤。首先，确定第一电源电压是否不足，如果是，请执行以下步骤。关闭电荷共享开关。然后，通过多路复用器从输出焊盘断开通道。

6. 发明申请

US20090066378A1 SOURCE DRIVER AND METHOD FOR RESTRAINING NOISE THEREOF 有权
标题翻译：源驱动器及其噪声抑制方法
公开(公告)号：US20090066378A1
公开(公告)日：2009-03-12
申请号：US11850931
申请日：2007-09-06
申请人： Chuan-Che Lee , Tsung-Yu WU , Yu-Jui Chang
发明人： Chuan-Che Lee , Tsung-Yu WU , Yu-Jui Chang
IPC分类号： G05F1/10 , H03L7/00
CPC分类号： G09G3/20 , G09G2310/027 , G09G2310/0297 , G09G2330/022 , H03K17/223
摘要： The present invention discloses a source driver and a method for restraining noise output by a source driver during power on/off of a power supply. The source driver includes a data bus, a plurality of channels, a multiplexer and a plurality of output pads. The channels are connected to the output pads via the multiplexer. Each channel has a latch unit. Data is transmitted on the data bus and stored in the latch units. The source driver is powered by a first supply voltage from the power supply. The method comprises determining whether the first supply voltage is insufficient, and if yes, performing the following steps. First, set the data transmitted on the data bus to be a predetermined value. Then, keep the latch units turned on, thereby the data is sent out from the latch units. Then, keep the multiplexer turned on for outputting a driving voltage based on the data via the output pads.
摘要翻译：本发明公开了一种源极驱动器和一种用于在电源接通/断开期间抑制源极驱动器的噪声输出的方法。源极驱动器包括数据总线，多个通道，多路复用器和多个输出焊盘。通道通过多路复用器连接到输出焊盘。每个通道都有一个锁存单元。数据在数据总线上传输并存储在锁存单元中。源极驱动器由电源的第一个电源供电。该方法包括确定第一电源电压是否不足，如果是，则执行以下步骤。首先，将在数据总线上发送的数据设置为预定值。然后，保持锁存单元的开启，从锁存单元发出数据。然后，保持多路复用器开启，通过输出焊盘输出基于数据的驱动电压。

7. 发明授权

US07973572B2 Output buffer and source driver utilizing the same 失效
标题翻译：输出缓冲器和源驱动器使用相同
公开(公告)号：US07973572B2
公开(公告)日：2011-07-05
申请号：US12354993
申请日：2009-01-16
申请人： Yu-Jui Chang
发明人： Yu-Jui Chang
IPC分类号： H03K3/00
CPC分类号： H03K17/693 , H03K2217/0054
摘要： An output buffer including a first input stage circuit, a first output stage circuit, a second output stage circuit, a first switching module, and a second switching module is disclosed. The first output stage circuit is coupled to a first data line. The second output stage circuit is coupled to a second data line. The first switching module is coupled between the first input stage circuit and the first output stage circuit. The second switching module is coupled between the first input stage circuit and the second output stage circuit.
摘要翻译：公开了一种包括第一输入级电路，第一输出级电路，第二输出级电路，第一开关模块和第二开关模块的输出缓冲器。第一输出级电路耦合到第一数据线。第二输出级电路耦合到第二数据线。第一开关模块耦合在第一输入级电路和第一输出级电路之间。第二开关模块耦合在第一输入级电路和第二输出级电路之间。

8. 发明申请

US20090102691A1 SOURCE DRIVER AND DIGITAL-TO-ANALOG CONVERTER THEREOF 有权
标题翻译：源驱动器和数字到模拟转换器
公开(公告)号：US20090102691A1
公开(公告)日：2009-04-23
申请号：US11875283
申请日：2007-10-19
申请人： Yu-Jui Chang
发明人： Yu-Jui Chang
IPC分类号： H03M1/76 , H03M1/66
CPC分类号： H03M1/0872 , G09G3/20 , G09G2310/027 , G09G2320/0276 , H03M1/76
摘要： A source driver and a digital-to-analog converter (DAC) thereof are provided. The DAC converts an input data into an analog voltage. The DAC includes a reference voltage generation unit, a switch unit, and a selection unit. The reference voltage generation unit provides a plurality of voltage levels. The switch unit is coupled to the reference voltage generation unit and determines whether to output the voltage levels, wherein the switch unit is turned off during a data conversion period of the input data. The selection unit is coupled to the reference voltage generation unit via the switch unit, and the selection unit selects one of the voltage levels output by the switch unit according to the input data, wherein the selected voltage level is served as the analog voltage output by the DAC.
摘要翻译：提供了源极驱动器及其数模转换器（DAC）。 DAC将输入数据转换为模拟电压。 DAC包括参考电压产生单元，开关单元和选择单元。参考电压产生单元提供多个电压电平。开关单元耦合到参考电压产生单元，并且确定是否输出电压电平，其中在输入数据的数据转换周期期间开关单元截止。选择单元经由开关单元耦合到参考电压产生单元，并且选择单元根据输入数据选择由开关单元输出的电压电平之一，其中所选择的电压电平被用作由 DAC。

9. 发明授权

US07449916B2 Voltage level shift circuit 有权
标题翻译：电压电平移位电路
公开(公告)号：US07449916B2
公开(公告)日：2008-11-11
申请号：US11417372
申请日：2006-05-03
申请人： Chien-Ru Chen , Ying-Lieh Chen , Lin-Kai Bu , Yu-Jui Chang
发明人： Chien-Ru Chen , Ying-Lieh Chen , Lin-Kai Bu , Yu-Jui Chang
IPC分类号： H03K19/094 , H03K19/0175 , H03L5/00
CPC分类号： H03K19/018528
摘要： A voltage level shift circuit is provided. The circuit includes an input buffer unit, a level shift unit and a voltage stabilizing capacitor. The input buffer is coupled between a first voltage source and a first ground terminal. The level shift unit is coupled between a second voltage source and a second ground terminal. An input terminal of the level shift unit is coupled to an output terminal of the input buffer unit. The voltage stabilizing capacitor is coupled between the first voltage source and the second ground terminal. When a state transition occurs in the level shift unit, the voltage stabilizing capacitor maintains a voltage difference between the output terminal of the input buffer unit and the second ground terminal.
摘要翻译：提供电压电平移位电路。电路包括输入缓冲单元，电平移位单元和稳压电容器。输入缓冲器耦合在第一电压源和第一接地端子之间。电平移位单元耦合在第二电压源和第二接地端子之间。电平移位单元的输入端子耦合到输入缓冲器单元的输出端子。稳压电容器耦合在第一电压源和第二接地端子之间。当在电平移位单元中发生状态转移时，稳压电容器保持输入缓冲器单元的输出端子与第二接地端子之间的电压差。

10. 发明申请

US20080143409A1 LEVEL SHIFT CIRCUIT AND CONTROL PULSE SHAPING UNIT THEREWITH 有权
标题翻译：水平移位电路和控制脉冲成型单元
公开(公告)号：US20080143409A1
公开(公告)日：2008-06-19
申请号：US11612923
申请日：2006-12-19
申请人： Yu-Jui Chang
发明人： Yu-Jui Chang
IPC分类号： H03K7/02 , H03L5/00
CPC分类号： H03K3/356113 , G09G3/3688 , G09G2310/0289 , H03K3/014
摘要： The present invention discloses a level shift circuit and a control pulse shaping unit therewith. A level shift circuit for transition of a low-voltage input signal into a high-voltage output signal, the circuit comprising two pairs of transistors and a control unit. Two pairs of transistors, wherein the transistors in one of the pairs are both turned on in response to the input signal so that a voltage on a reference voltage node is coupled to a gate of one of the transistors in the other pair; a control unit decoupling a reference voltage from the reference voltage node during a first phase, and partially and fully coupling the reference voltage to the reference voltage node respectively during a second and third phases.
摘要翻译：本发明公开了一种电平移位电路及其控制脉冲整形单元。一种用于将低电压输入信号转换成高压输出信号的电平移位电路，该电路包括两对晶体管和一个控制单元。两对晶体管，其中一对中的晶体管都响应于输入信号导通，使得参考电压节点上的电压耦合到另一对晶体管之一的栅极; 控制单元在第一阶段期间将参考电压与参考电压节点去耦，并且在第二和第三阶段期间将参考电压分别和全部耦合到参考电压节点。

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