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1. 发明授权

US07948480B2 Current driving circuit 有权
标题翻译：电流驱动电路
公开(公告)号：US07948480B2
公开(公告)日：2011-05-24
申请号：US11652607
申请日：2007-01-12
申请人： Makoto Mizuki , Tetsuro Omori , Hiroshi Kojima
发明人： Makoto Mizuki , Tetsuro Omori , Hiroshi Kojima
IPC分类号： G09G5/00
CPC分类号： G09G3/3283 , G09G3/2011 , G11C27/028
摘要： A current driving circuit includes: a reference input terminal to which a first reference current is given; a current mirror circuit for receiving the first reference current and outputting a first internal current corresponding to the first reference current; a bias voltage generation section for receiving the first internal current and generating a bias voltage corresponding to the first internal current; an output reference current generation section for receiving the bias voltage and generating a second reference current corresponding to the bias voltage; a reference current output terminal for outputting the second reference current; an internal current generation transistor for receiving at a gate thereof the bias voltage and generating a second internal current corresponding to the bias voltage; and an output current generation section for receiving the second internal current and generating n output currents corresponding to the second internal current.
摘要翻译：电流驱动电路包括：给定第一参考电流的参考输入端; 电流镜电路，用于接收第一参考电流并输出对应于第一参考电流的第一内部电流; 偏置电压产生部分，用于接收第一内部电流并产生对应于第一内部电流的偏置电压; 输出参考电流产生部分，用于接收所述偏置电压并产生对应于所述偏置电压的第二参考电流; 用于输出第二参考电流的参考电流输出端; 内部电流产生晶体管，用于在其栅极处接收所述偏置电压并产生对应于所述偏置电压的第二内部电流; 以及输出电流产生部分，用于接收第二内部电流并产生对应于第二内部电流的n个输出电流。

2. 发明授权

US07365594B2 Current driver, data driver, display device and current driving method 失效
标题翻译：当前的驱动程序，数据驱动程序，显示设备和当前的驱动方法
公开(公告)号：US07365594B2
公开(公告)日：2008-04-29
申请号：US11313958
申请日：2005-12-22
申请人： Hiroshi Kojima , Tetsuro Omori , Makoto Mizuki , Yasuhiro Hirokane , Hiroshi Kondo
发明人： Hiroshi Kojima , Tetsuro Omori , Makoto Mizuki , Yasuhiro Hirokane , Hiroshi Kondo
IPC分类号： G05F1/10 , G05F3/02
CPC分类号： G09G3/3283 , G09G3/3225 , G09G2320/0233
摘要： A current driver includes a gate line having a first and second nodes, K driving transistors, a terminal and a voltage generation section. The terminal receives a first current. The voltage generation section generates a bias voltage according to a current value of the first current. The gate line receives, at one of the first and second nodes, the bias voltage generated by the voltage generation section. Gates of the K transistors are connected between the first and second nodes of the gate line. In the voltage generation section, the relationship between the first current and the bias voltage is adjusted in the first mode, according to a current value of an output current flowing in a first driving transistor of the K driving transistors, and in the second mode, according to a current value of an output current flowing in a second driving transistor of the K driving transistors.
摘要翻译：电流驱动器包括具有第一和第二节点的栅极线，K个驱动晶体管，一个端子和一个电压产生部分。终端接收第一电流。电压产生部根据第一电流的电流值生成偏置电压。栅极线在第一和第二节点中的一个处接收由电压产生部分产生的偏置电压。 K晶体管的栅极连接在栅极线的第一和第二节点之间。在电压产生部分中，根据在K个驱动晶体管的第一驱动晶体管中流过的输出电流的电流值，在第一模式中调节第一电流和偏置电压之间的关系，在第二模式中，根据在K个驱动晶体管的第二驱动晶体管中流动的输出电流的电流值。

3. 发明申请

US20060132180A1 Current driver, data driver, and display device 有权
标题翻译：当前的驱动程序，数据驱动程序和显示设备
公开(公告)号：US20060132180A1
公开(公告)日：2006-06-22
申请号：US11302338
申请日：2005-12-14
申请人： Tetsuro Omori , Hiroshi Kojima , Makoto Mizuki
发明人： Tetsuro Omori , Hiroshi Kojima , Makoto Mizuki
IPC分类号： H03K19/0175
CPC分类号： G09G3/3283 , G09G2320/0233 , H03F3/345 , H03F3/45179 , H03F3/45475
摘要： In a current driver, a gate of a first generating transistor, gates of K driving transistors, and a gate of a second generating transistor are connected to a gate line in this order. A first differential amplifier outputs a voltage determined according to the difference between a voltage from a first supply node and a voltage at the drain of the first generating transistor. A second differential amplifier outputs a voltage determined according to the difference between a voltage from a second supply node and a voltage at the drain of the second generating transistor. The gate of the first generating transistor receives the output of the first differential amplifier. The gate of the second generating transistor receives the output of the second differential amplifier.
摘要翻译：在电流驱动器中，第一产生晶体管的栅极，K个驱动晶体管的栅极和第二个生成晶体管的栅极依次连接到栅极线。第一差分放大器输出根据来自第一电源节点的电压和第一发电晶体管的漏极处的电压之间的差确定的电压。第二差分放大器输出根据来自第二电源节点的电压和第二发生晶体管的漏极处的电压之间的差确定的电压。第一发生晶体管的栅极接收第一差分放大器的输出。第二发生晶体管的栅极接收第二差分放大器的输出。

4. 发明授权

US07262652B2 Current driver, data driver, and display device 有权
标题翻译：当前的驱动程序，数据驱动程序和显示设备
公开(公告)号：US07262652B2
公开(公告)日：2007-08-28
申请号：US11302338
申请日：2005-12-14
申请人： Tetsuro Omori , Hiroshi Kojima , Makoto Mizuki
发明人： Tetsuro Omori , Hiroshi Kojima , Makoto Mizuki
IPC分类号： G05F1/00
CPC分类号： G09G3/3283 , G09G2320/0233 , H03F3/345 , H03F3/45179 , H03F3/45475
摘要： In a current driver, a gate of a first generating transistor, gates of K driving transistors, and a gate of a second generating transistor are connected to a gate line in this order. A first differential amplifier outputs a voltage determined according to the difference between a voltage from a first supply node and a voltage at the drain of the first generating transistor. A second differential amplifier outputs a voltage determined according to the difference between a voltage from a second supply node and a voltage at the drain of the second generating transistor. The gate of the first generating transistor receives the output of the first differential amplifier. The gate of the second generating transistor receives the output of the second differential amplifier.
摘要翻译：在电流驱动器中，第一产生晶体管的栅极，K个驱动晶体管的栅极和第二个生成晶体管的栅极依次连接到栅极线。第一差分放大器输出根据来自第一电源节点的电压和第一发电晶体管的漏极处的电压之间的差确定的电压。第二差分放大器输出根据来自第二电源节点的电压和第二发生晶体管的漏极处的电压之间的差确定的电压。第一发生晶体管的栅极接收第一差分放大器的输出。第二发生晶体管的栅极接收第二差分放大器的输出。

5. 发明申请

US20070159418A1 Current driving circuit 有权
标题翻译：电流驱动电路
公开(公告)号：US20070159418A1
公开(公告)日：2007-07-12
申请号：US11652607
申请日：2007-01-12
申请人： Makoto Mizuki , Tetsuro Omori , Hiroshi Kojima
发明人： Makoto Mizuki , Tetsuro Omori , Hiroshi Kojima
IPC分类号： G09G3/30
CPC分类号： G09G3/3283 , G09G3/2011 , G11C27/028
摘要： A current driving circuit includes: a reference input terminal to which a first reference current is given; a current mirror circuit for receiving the first reference current and outputting a first internal current corresponding to the first reference current; a bias voltage generation section for receiving the first internal current and generating a bias voltage corresponding to the first internal current; an output reference current generation section for receiving the bias voltage and generating a second reference current corresponding to the bias voltage; a reference current output terminal for outputting the second reference current; an internal current generation transistor for receiving at a gate thereof the bias voltage and generating a second internal current corresponding to the bias voltage; and an output current generation section for receiving the second internal current and generating n output currents corresponding to the second internal current.
摘要翻译：电流驱动电路包括：给定第一参考电流的参考输入端; 电流镜电路，用于接收第一参考电流并输出对应于第一参考电流的第一内部电流; 偏置电压产生部分，用于接收第一内部电流并产生对应于第一内部电流的偏置电压; 输出参考电流产生部分，用于接收所述偏置电压并产生对应于所述偏置电压的第二参考电流; 用于输出第二参考电流的参考电流输出端; 内部电流产生晶体管，用于在其栅极处接收所述偏置电压并产生对应于所述偏置电压的第二内部电流; 以及输出电流产生部分，用于接收第二内部电流并产生对应于第二内部电流的n个输出电流。

6. 发明申请

US20060139065A1 Current driver, data driver, display device and current driving method 失效
标题翻译：当前的驱动程序，数据驱动程序，显示设备和当前的驱动方法
公开(公告)号：US20060139065A1
公开(公告)日：2006-06-29
申请号：US11313958
申请日：2005-12-22
申请人： Hiroshi Kojima , Tetsuro Omori , Makoto Mizuki , Yasuhiro Hirokane , Hiroshi Kondo
发明人： Hiroshi Kojima , Tetsuro Omori , Makoto Mizuki , Yasuhiro Hirokane , Hiroshi Kondo
IPC分类号： H03B1/00
CPC分类号： G09G3/3283 , G09G3/3225 , G09G2320/0233
摘要： A current driver includes a gate line having a first and second nodes, K driving transistors, a terminal and a voltage generation section. The terminal receives a first current. The voltage generation section generates a bias voltage according to a current value of the first current. The gate line receives, at one of the first and second nodes, the bias voltage generated by the voltage generation section. Gates of the K transistors are connected between the first and second nodes of the gate line. In the voltage generation section, the relationship between the first current and the bias voltage is adjusted in the first mode, according to a current value of an output current flowing in a first driving transistor of the K driving transistors, and in the second mode, according to a current value of an output current flowing in a second driving transistor of the K driving transistors.
摘要翻译：电流驱动器包括具有第一和第二节点的栅极线，K个驱动晶体管，一个端子和一个电压产生部分。终端接收第一电流。电压产生部根据第一电流的电流值生成偏置电压。栅极线在第一和第二节点中的一个处接收由电压产生部分产生的偏置电压。 K晶体管的栅极连接在栅极线的第一和第二节点之间。在电压产生部分中，根据在K个驱动晶体管的第一驱动晶体管中流过的输出电流的电流值，在第一模式中调节第一电流和偏置电压之间的关系，在第二模式中，根据在K个驱动晶体管的第二驱动晶体管中流动的输出电流的电流值。

7. 发明授权

US07817148B2 Voltage generating system 有权
标题翻译：电压发生系统
公开(公告)号：US07817148B2
公开(公告)日：2010-10-19
申请号：US11651962
申请日：2007-01-11
申请人： Tomokazu Kojima , Hiroshi Kojima , Tetsuro Omori
发明人： Tomokazu Kojima , Hiroshi Kojima , Tetsuro Omori
IPC分类号： G06F3/038
CPC分类号： G09G3/20 , G09G2310/027
摘要： A voltage generating system has a first voltage generating device for generating a plurality of voltages between a maximum voltage and a minimum voltage as a first set of voltages, and a second voltage generating device for generating a plurality of voltages between the maximum voltage and the minimum voltage as a second set of voltages, the second set of voltages being different from the first set of voltages. The first voltage generating device generates the maximum voltage, and supplies the first set of voltages and the maximum voltage to the second voltage generating device. The second voltage generating device generates the minimum voltage, and supplies the second set of voltages and the minimum voltage to the first voltage generating device. The first and second voltage generating devices each select a voltage from the first and second sets of voltages, and output the selected voltage.
摘要翻译：电压发生系统具有第一电压产生装置，用于产生作为第一组电压的最大电压和最小电压之间的多个电压;以及第二电压产生装置，用于在最大电压和最小值之间产生多个电压电压作为第二组电压，第二组电压不同于第一组电压。第一电压产生装置产生最大电压，并将第一组电压和最大电压提供给第二电压产生装置。第二电压产生装置产生最小电压，并将第二组电压和最小电压提供给第一电压产生装置。第一和第二电压产生装置各自从第一和第二组电压中选择电压，并输出所选择的电压。

8. 发明申请

US20070159475A1 Voltage generating system 有权
标题翻译：电压发生系统
公开(公告)号：US20070159475A1
公开(公告)日：2007-07-12
申请号：US11651962
申请日：2007-01-11
申请人： Tomokazu Kojima , Hiroshi Kojima , Tetsuro Omori
发明人： Tomokazu Kojima , Hiroshi Kojima , Tetsuro Omori
IPC分类号： G09G5/00
CPC分类号： G09G3/20 , G09G2310/027
摘要： A voltage generating system has a first voltage generating device for generating a plurality of voltages between a maximum voltage and a minimum voltage as a first set of voltages, and a second voltage generating device for generating a plurality of voltages between the maximum voltage and the minimum voltage as a second set of voltages, the second set of voltages being different from the first set of voltages. The first voltage generating device generates the maximum voltage, and supplies the first set of voltages and the maximum voltage to the second voltage generating device. The second voltage generating device generates the minimum voltage, and supplies the second set of voltages and the minimum voltage to the first voltage generating device. The first and second voltage generating devices each select a voltage from the first and second sets of voltages, and output the selected voltage.
摘要翻译：电压发生系统具有第一电压产生装置，用于产生作为第一组电压的最大电压和最小电压之间的多个电压;以及第二电压产生装置，用于在最大电压和最小值之间产生多个电压电压作为第二组电压，第二组电压不同于第一组电压。第一电压产生装置产生最大电压，并且将第一组电压和最大电压提供给第二电压产生装置。第二电压产生装置产生最小电压，并将第二组电压和最小电压提供给第一电压产生装置。第一和第二电压产生装置各自从第一和第二组电压中选择电压，并输出所选择的电压。

9. 发明申请

US20080309649A1 CURRENT DRIVE CIRCUIT AND DISPLAY APPARATUS 审中-公开
标题翻译：电流驱动电路和显示设备
公开(公告)号：US20080309649A1
公开(公告)日：2008-12-18
申请号：US12135627
申请日：2008-06-09
申请人： Hiroshi Kojima , Makoto Mizuki , Munehiko Ogawa , Kazuyoshi Nishi , Tetsuro Oomori
发明人： Hiroshi Kojima , Makoto Mizuki , Munehiko Ogawa , Kazuyoshi Nishi , Tetsuro Oomori
IPC分类号： G06F3/038 , H03B1/00
CPC分类号： G09G3/3283 , G09G3/22 , G09G2310/0248 , G09G2330/04
摘要： A current drive circuit supplies a driving current to a pixel portion included in a current-driven display panel. A driving current generator includes an output terminal for supplying the driving current. A protective transistor has a drain connected to the pixel portion, a source connected to the output terminal, and a gate to which a first bias voltage is supplied. The first bias voltage has a voltage level lower than or equal to a voltage level obtained by adding the threshold voltage of the protective transistor to the breakdown voltage of the driving current generator.
摘要翻译：电流驱动电路将驱动电流供给到电流驱动显示面板中的像素部。驱动电流发生器包括用于提供驱动电流的输出端子。保护晶体管具有连接到像素部分的漏极，连接到输出端子的源极和提供第一偏置电压的栅极。第一偏置电压具有低于或等于通过将保护晶体管的阈值电压与驱动电流发生器的击穿电压相加而获得的电压电平的电压电平。

10. 发明授权

US07859490B2 Current drive device 有权
标题翻译：电流驱动装置
公开(公告)号：US07859490B2
公开(公告)日：2010-12-28
申请号：US11652140
申请日：2007-01-11
申请人： Tetsuro Oomori , Hisao Kunitani , Hiroshi Kojima , Makoto Mizuki , Noriko Kaku
发明人： Tetsuro Oomori , Hisao Kunitani , Hiroshi Kojima , Makoto Mizuki , Noriko Kaku
IPC分类号： G09G3/30
CPC分类号： G09G3/3283
摘要： The current drive device of the present invention includes: a current source transistor for allowing a preset drive current to flow to a drain; a cascode transistor cascode-connected to the current source transistor; a switch circuit for switching ON/OFF flow of the drive current through the drain of the cascode transistor and a circuit to be driven; and a bypass circuit for allowing the drive current to flow therethrough to bypass the switch circuit and the circuit to be driven when the switch circuit is OFF.
摘要翻译：本发明的电流驱动装置包括：用于允许预设驱动电流流到漏极的电流源晶体管; 共模共轭共栅型连接到电流源晶体管的共源共栅晶体管; 用于切换驱动电流的通/断流通过共源共栅晶体管的漏极和被驱动的电路的开关电路; 以及旁路电路，用于当开关电路断开时允许驱动电流流过其旁路开关电路和待驱动的电路。

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