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1. 发明授权

US08854354B2 Power supply circuit for liquid crystal display device that changes durations of control signals 有权
标题翻译：用于改变控制信号持续时间的液晶显示装置的电源电路
公开(公告)号：US08854354B2
公开(公告)日：2014-10-07
申请号：US12909272
申请日：2010-10-21
申请人： Yong Sung Ahn , Jung Min Choi , Sang Rok Cha , Dae Keun Han , Hyung Seog Oh , Yong Suk Kim
发明人： Yong Sung Ahn , Jung Min Choi , Sang Rok Cha , Dae Keun Han , Hyung Seog Oh , Yong Suk Kim
IPC分类号： G09G5/00 , G09G3/36
CPC分类号： G09G3/3696 , G09G3/3677 , G09G2330/02 , G09G2330/06
摘要： A power supply circuit of a liquid crystal display device includes a first positive polarity charge charging unit including a first capacitor connected to positive and negative power terminals through switches to charge a charge, a second positive polarity charge charging unit including a second capacitor connected to the positive power terminal and a ground terminal through switches to charge a charge, a first positive polarity charge loading unit loading the charge supplied through the positive power terminal to a negative polarity terminal, a second positive polarity charge loading unit loading the charge charged in the first capacitor to a negative polarity terminal, a third positive polarity charge loading unit loading the charge charged in the second capacitor, and a positive polarity charge charging/loading control unit outputting charging control signals with a same phase to the switches, and periodically or irregularly changing durations of the charging and loading control signals.
摘要翻译：液晶显示装置的电源电路包括第一正极性充电充电单元，其包括通过开关对正电源端子和负电源端子连接的第一电容器进行充电;第二正极性充电单元，包括连接到正电源端子和接地端子，通过开关对电荷充电，第一正极性电荷负载单元将通过正电源端子提供的电荷负载到负极端子;第二正极性电荷负载单元，负载在第一电容器连接到负极端子，第三正极性电荷负载单元加载充电在第二电容器中的电荷;以及正极性充电充电/负载控制单元，向开关输出具有相同相位的充电控制信号，并周期性地或不规则地改变充电和加载控制的持续时间诺尔斯

2. 发明授权

US08841927B2 Touch sensing circuit 有权
标题翻译：触摸感应电路
公开(公告)号：US08841927B2
公开(公告)日：2014-09-23
申请号：US13287607
申请日：2011-11-02
申请人： Yong Sung Ahn , Jung Min Choi , Yong Suk Kim , Hyung Seog Oh
发明人： Yong Sung Ahn , Jung Min Choi , Yong Suk Kim , Hyung Seog Oh
IPC分类号： G01R27/26 , G06F3/044 , G01R23/20 , G06F3/041
CPC分类号： G06F3/044 , G06F3/0416
摘要： A touch sensing circuit detects a difference in variation of coupling capacitances between mutually adjacent driving electrodes through the use of a differential amplifier, and senses whether or not a touch is made on a touch screen panel, thereby being capable of removing display noise.
摘要翻译：触摸感测电路通过使用差分放大器检测相互相邻的驱动电极之间的耦合电容的变化差异，并且感测是否在触摸屏面板上进行触摸，从而能够去除显示噪声。

3. 发明申请

US20110199821A1 POWER MANAGEMENT CHIP FURNISHED WITH VOLTAGE CONTROLLER 审中-公开
标题翻译：电源管理芯片带电压控制器
公开(公告)号：US20110199821A1
公开(公告)日：2011-08-18
申请号：US13124825
申请日：2009-10-13
申请人： Young Suk Son , Yong Sung Ahn , Hyun Ja Cho , Hyung Seog Oh , Dae Keun Han
发明人： Young Suk Son , Yong Sung Ahn , Hyun Ja Cho , Hyung Seog Oh , Dae Keun Han
IPC分类号： G11C16/06
CPC分类号： G11C16/30 , G09G3/3648 , G09G3/3696 , G09G2330/02 , G09G2330/021 , G11C5/145
摘要： A power management IC includes a first IC having a boost converter IC which generates a second voltage using a first voltage supplied from an outside and supplies the second voltages to a charge pump, a reference voltage generation circuit, and an EEPROM; and a second IC configured to be inputted with a third voltage and a fourth voltage as outputs of the charge pump and output a fifth voltage and a sixth voltage. The second IC has a voltage regulator which regulates the third voltage and the fourth voltage or the fifth voltage and the sixth voltage and generates an eighth voltage and a ninth voltage as voltages required for programming operation or erasing operation of the EEPROM.
摘要翻译：电源管理IC包括具有升压转换器IC的第一IC，其使用从外部提供的第一电压产生第二电压，并将第二电压提供给电荷泵，参考电压产生电路和EEPROM; 以及第二IC，被配置为输入第三电压和第四电压作为电荷泵的输出，并输出第五电压和第六电压。第二IC具有调节第三电压和第四电压或第五电压和第六电压的电压调节器，并且产生作为EEPROM的编程操作或擦除操作所需的电压的第八电压和第九电压。

4. 发明申请

US20110169808A1 AMPLIFIER INCLUDING DITHERING SWITCH AND DISPLAY DRIVING CIRCUIT USING THE AMPLIFIER 有权
标题翻译：放大器包括使用放大器的切换开关和显示驱动电路
公开(公告)号：US20110169808A1
公开(公告)日：2011-07-14
申请号：US13062652
申请日：2009-09-04
申请人： Young Suk Son , Yong Sung Ahn , Hyun Ja Cho , Hyung Seog Oh , Dae Keun Han
发明人： Young Suk Son , Yong Sung Ahn , Hyun Ja Cho , Hyung Seog Oh , Dae Keun Han
IPC分类号： G09G5/00 , H03F3/45
CPC分类号： G09G3/20 , G09G2310/0248 , G09G2310/0254 , G09G2310/027 , G09G2310/0291 , G09G2310/0297 , G09G2330/023
摘要： An amplifier and a display driving circuit. The amplifier includes an input stage, a bias stage and an output stage. The input stage determines voltage levels of two nodes in correspondence to two input voltages received in response to a first bias voltage, and includes four path selecting switches, two input transistors and one bias transistor. The bias stage generates two class AB output voltages which correspond to the voltage levels of the two nodes, and includes current mirrors, ten path selecting switches, class AB bias circuits and two bias transistors. The output stage generates an output voltage VOUT that corresponds to the two class AB output voltages, and includes two coupling capacitors and two push-pull transistors. The plurality of path selecting switches operate by one signal of a first path selecting signal and a second path selecting signal that are exclusively enabled with respect to each other.
摘要翻译：放大器和显示驱动电路。放大器包括输入级，偏置级和输出级。输入级确定对应于响应于第一偏置电压接收的两个输入电压的两个节点的电压电平，并且包括四个路径选择开关，两个输入晶体管和一个偏置晶体管。偏置级产生对应于两个节点的电压电平的两个AB类输出电压，并且包括电流镜，十路径选择开关，AB类偏置电路和两个偏置晶体管。输出级产生对应于两个AB类输出电压的输出电压VOUT，并且包括两个耦合电容器和两个推挽晶体管。多个路径选择开关由第一路径选择信号和第二路径选择信号的一个信号进行操作，第一路径选择信号和第二路径选择信号彼此独占地启用。

5. 发明授权

US08638164B2 Amplifier including dithering switch and display driving circuit using the amplifier 有权
标题翻译：放大器包括抖动开关和使用放大器的显示驱动电路
公开(公告)号：US08638164B2
公开(公告)日：2014-01-28
申请号：US13062652
申请日：2009-09-04
申请人： Young Suk Son , Yong Sung Ahn , Hyun Ja Cho , Hyung Seog Oh , Dae Keun Han
发明人： Young Suk Son , Yong Sung Ahn , Hyun Ja Cho , Hyung Seog Oh , Dae Keun Han
IPC分类号： H03F1/02
CPC分类号： G09G3/20 , G09G2310/0248 , G09G2310/0254 , G09G2310/027 , G09G2310/0291 , G09G2310/0297 , G09G2330/023
摘要： An amplifier and a display driving circuit. The amplifier includes an input stage, a bias stage and an output stage. The input stage determines voltage levels of two nodes in correspondence to two input voltages received in response to a first bias voltage, and includes four path selecting switches, two input transistors and one bias transistor. The bias stage generates two class AB output voltages which correspond to the voltage levels of the two nodes, and includes current mirrors, ten path selecting switches, class AB bias circuits and two bias transistors. The output stage generates an output voltage VOUT that corresponds to the two class AB output voltages, and includes two coupling capacitors and two push-pull transistors. The plurality of path selecting switches operate by one signal of a first path selecting signal and a second path selecting signal that are exclusively enabled with respect to each other.
摘要翻译：放大器和显示驱动电路。放大器包括输入级，偏置级和输出级。输入级确定对应于响应于第一偏置电压接收的两个输入电压的两个节点的电压电平，并且包括四个路径选择开关，两个输入晶体管和一个偏置晶体管。偏置级产生对应于两个节点的电压电平的两个AB类输出电压，并且包括电流镜，十路径选择开关，AB类偏置电路和两个偏置晶体管。输出级产生对应于两个AB类输出电压的输出电压VOUT，并且包括两个耦合电容器和两个推挽晶体管。多个路径选择开关由第一路径选择信号和第二路径选择信号的一个信号进行操作，第一路径选择信号和第二路径选择信号彼此独占地启用。

6. 发明授权

US09311874B2 Power connection structure of driver IC chip 有权
标题翻译：驱动IC芯片的电源连接结构
公开(公告)号：US09311874B2
公开(公告)日：2016-04-12
申请号：US13081043
申请日：2011-04-06
申请人： Yong Sung Ahn , Jong Soo Lee , Yu Na Shin , Yong Suk Kim
发明人： Yong Sung Ahn , Jong Soo Lee , Yu Na Shin , Yong Suk Kim
IPC分类号： G09G3/36
CPC分类号： G09G3/3648 , G09G2300/0413 , G09G2300/0426 , G09G2320/0223 , G09G2330/02
摘要： A power connection structure of a driver IC chip including a first power terminal unit formed on one side thereof, a second power terminal unit formed on the other side thereof, and a dummy power terminal unit formed between the first power terminal unit and the second power terminal unit. The driver IC chip is mounted to a liquid crystal panel of a liquid crystal display device in a chip-on-glass (COG) type. Both of the first power terminal unit and the dummy power terminal unit and both of the dummy power terminal unit and the second power terminal unit are connected through routing lines in the driver IC chip.
摘要翻译：驱动器IC芯片的电源连接结构，包括形成在其一侧的第一电力端子单元，形成在其另一侧的第二电力端子单元和形成在第一电力端子单元和第二电力之间的虚拟电源端子单元终端单元。驱动IC芯片安装在玻璃（COG）型液晶显示装置的液晶面板上。第一电源端子单元和虚拟电源端子单元以及虚拟电源端子单元和第二电力端子单元都通过驱动器IC芯片中的布线来连接。

7. 发明申请

US20110175943A1 Gamma Voltage Output Circuit of Source Driver 审中-公开
标题翻译：源驱动器的伽马电压输出电路
公开(公告)号：US20110175943A1
公开(公告)日：2011-07-21
申请号：US13008332
申请日：2011-01-18
申请人： Yong Sung Ahn , Jung Min Choi
发明人： Yong Sung Ahn , Jung Min Choi
IPC分类号： G09G5/10
CPC分类号： G09G3/20 , G09G2300/08 , G09G2310/0275 , G09G2320/0276 , G09G2330/02 , G09G2330/028
摘要： A gamma voltage output circuit of a source driver includes a reference voltage generation unit configured to generate upper and lower reference voltages; and upper and lower gamma buffers configured to stabilize and output the reference voltages. The lower gamma buffers include a first gamma buffer having a first operational amplifier which operates as a rail amplifier in a region between a positive power supply voltage and a ground voltage to receive a first lower reference voltage of a positive voltage region and output a first gamma voltage of the positive voltage region, and the upper gamma buffers include a second gamma buffer having a second operational amplifier which operates as a rail amplifier in a region between the ground voltage and a negative power supply voltage to receive a first upper reference voltage of a negative voltage region and output a second gamma voltage of the negative voltage region.
摘要翻译：源极驱动器的伽马电压输出电路包括被配置为产生上参考电压和下参考电压的参考电压产生单元; 以及配置成稳定和输出参考电压的上和下伽玛缓冲器。低伽马缓冲器包括具有第一运算放大器的第一伽马缓冲器，该第一运算放大器在正电源电压和接地电压之间的区域中用作轨道放大器，以接收正电压区域的第一较低参考电压并输出第一伽马正电压区域的电压和上部伽马缓冲器包括具有第二运算放大器的第二伽马缓冲器，该第二运算放大器在接地电压和负电源电压之间的区域中用作轨道放大器，以接收第一高电压参考电压负电压区域并输出负电压区域的第二伽马电压。

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