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1. 发明授权

US08941571B2 Liquid crystal driving circuit 有权
标题翻译：液晶驱动电路
公开(公告)号：US08941571B2
公开(公告)日：2015-01-27
申请号：US13584397
申请日：2012-08-13
申请人： Norikazu Katagiri , Tetsuya Tokunaga , Tomoshi Yoshida , Kensuke Goto , Mamoru Yamaguchi
发明人： Norikazu Katagiri , Tetsuya Tokunaga , Tomoshi Yoshida , Kensuke Goto , Mamoru Yamaguchi
IPC分类号： G09G3/36 , G09G3/04
CPC分类号： G09G3/3655 , G09G3/04 , G09G3/3614 , G09G3/3696 , G09G2330/025
摘要： A liquid-crystal-driving circuit includes: resistors connected in series between first and second potentials lower than the first potential; one or more voltage follower circuits to impedance-convert one or more intermediate potentials between the first and second potentials, to be outputted, respectively, the intermediate potentials generated at one or more connection points between the resistors, respectively; a common-signal-output circuit to supply common signals to common electrodes of a liquid crystal panel, respectively, the common signals being at the first, second, or one or more intermediate potentials in a predetermined order; and a segment-signal output circuit supplies segment signals to segment electrodes of the liquid crystal panel, respectively, the segment signals being at the first and second potentials, or the intermediate potentials according to the common signals, wherein the segment-signal output circuit increases impedances of the segment signals only for a first period when the of segment signals potentials are switched.
摘要翻译：液晶驱动电路包括：电阻器，其串联连接在低于第一电位的第一和第二电位之间; 一个或多个电压跟随器电路，用于阻抗转换第一和第二电位之间的一个或多个中间电位，分别输出在电阻器之间的一个或多个连接点产生的中间电位; 公共信号输出电路，分别向液晶面板的公共电极提供公共信号，共同信号处于第一，第二或一个或多个中间电位，以预定顺序; 分段信号输出电路分别将分段信号提供给液晶面板的分段电极，根据公共信号分段信号处于第一和第二电位或中间电位，其中分段信号输出电路增加段信号的阻抗仅在片段信号电位切换时的第一周期。

2. 发明申请

US20130038805A1 LIQUID CRYSTAL DRIVING CIRCUIT 有权
标题翻译：液晶驱动电路
公开(公告)号：US20130038805A1
公开(公告)日：2013-02-14
申请号：US13584397
申请日：2012-08-13
申请人： Norikazu Katagiri , Tetsuya Tokunaga , Tomoshi Yoshida , Kensuke Goto , Mamoru Yamaguchi
发明人： Norikazu Katagiri , Tetsuya Tokunaga , Tomoshi Yoshida , Kensuke Goto , Mamoru Yamaguchi
IPC分类号： G02F1/1333 , G02F1/136
CPC分类号： G09G3/3655 , G09G3/04 , G09G3/3614 , G09G3/3696 , G09G2330/025
摘要： A liquid-crystal-driving circuit includes: resistors connected in series between first and second potentials lower than the first potential; one or more voltage follower circuits to impedance-convert one or more intermediate potentials between the first and second potentials, to be outputted, respectively, the intermediate potentials generated at one or more connection points between the resistors, respectively; a common-signal-output circuit to supply common signals to common electrodes of a liquid crystal panel, respectively, the common signals being at the first, second, or one or more intermediate potentials in a predetermined order; and a segment-signal output circuit supplies segment signals to segment electrodes of the liquid crystal panel, respectively, the segment signals being at the first and second potentials, or the intermediate potentials according to the common signals, wherein the segment-signal output circuit increases impedances of the segment signals only for a first period when the of segment signals potentials are switched.
摘要翻译：液晶驱动电路包括：电阻器，其串联连接在低于第一电位的第一和第二电位之间; 一个或多个电压跟随器电路，用于阻抗转换第一和第二电位之间的一个或多个中间电位，分别输出在电阻器之间的一个或多个连接点产生的中间电位; 公共信号输出电路，分别向液晶面板的公共电极提供公共信号，共同信号处于第一，第二或一个或多个中间电位，以预定顺序; 分段信号输出电路分别将分段信号提供给液晶面板的分段电极，根据公共信号分段信号处于第一和第二电位或中间电位，其中分段信号输出电路增加段信号的阻抗仅在片段信号电位切换时的第一周期。

3. 发明授权

US08203524B2 Light-emitting element driving circuit 有权
标题翻译：发光元件驱动电路
公开(公告)号：US08203524B2
公开(公告)日：2012-06-19
申请号：US12557128
申请日：2009-09-10
申请人： Tomoshi Yoshida , Nobuyuki Ohtaka
发明人： Tomoshi Yoshida , Nobuyuki Ohtaka
IPC分类号： G09G3/36
CPC分类号： H05B33/0851
摘要： A light-emitting element driving circuit (10) comprises a luminosity determining unit (70) which determines luminosity, outputs a luminosity determination result, and outputs brightness change information, a brightness setting unit (60) which outputs brightness setting information and outputs brightness change information, a light-emitting element driving unit (40) which drives a light-emitting element with a current of a current value corresponding to the brightness setting information, a detecting and comparing unit (50) which compares a terminal voltage of the light-emitting element and a predetermined voltage, a voltage boost determining unit (30) which determines whether or not a terminal voltage of the light-emitting element is to be boosted based on at least one of the luminosity change information and the brightness change information, and a voltage boosting circuit section (20) which boosts the terminal voltage of the light-emitting element when it is determined that the voltage is to be boosted and does not boost the terminal voltage of the light-emitting element when it is determined that the voltage is not to be boosted.
摘要翻译：发光元件驱动电路（10）具有决定亮度的亮度决定部（70），输出亮度判定结果，输出亮度变化信息，输出亮度设定信息的亮度设定部（60），输出亮度变化信息，以与亮度设定信息对应的电流值驱动发光元件的发光元件驱动单元（40），将发光元件的端子电压进行比较的检测比较单元（50）发光元件和预定电压的电压升高确定单元，其基于亮度变化信息和亮度变化信息中的至少一个来确定是否要提高发光元件的端子电压，以及升压电路部（20），其在确定所述电压时提升所述发光元件的端子电压当确定电压不被升压时，Ge将被提升并且不会提高发光元件的端电压。

4. 发明授权

US07576735B2 Power circuit applying AC voltage and DC voltage to respective terminals of a capacitor, for outputting AC voltage shifted in accordance with the DC voltage 失效
标题翻译：电源电路将AC电压和DC电压施加到电容器的各个端子，用于输出根据DC电压偏移的AC电压
公开(公告)号：US07576735B2
公开(公告)日：2009-08-18
申请号：US10976183
申请日：2004-10-28
申请人： Ryuji Yamamoto , Kazunori Nohara , Tomoshi Yoshida
发明人： Ryuji Yamamoto , Kazunori Nohara , Tomoshi Yoshida
IPC分类号： G09G5/00
CPC分类号： G09G3/3655 , G09G2310/0245 , G09G2330/02 , G09G2330/021 , Y10T307/658
摘要： A power circuit outputs and applies an AC voltage and a DC voltage to respective terminals of a capacitor, so as to obtain an AC output voltage shifted in accordance with the DC voltage component. The power circuit comprises a first voltage adjuster for outputting an AC voltage and a first DC voltage, and a second voltage adjuster for outputting a second DC voltage. For a predetermined duration after turning on power, the power circuit supplies the first DC voltage from the first voltage adjuster and the second DC voltage from the second voltage adjuster, for application to respective terminals of the capacitor. After the predetermined duration has passed, the power circuit changes the voltage output from the first voltage adjuster to the AC voltage, and supplies the AC voltage and the second DC voltage for application to the respective terminals of the capacitor. With this arrangement, a required potential can be quickly achieved at the time of turning on power.
摘要翻译：电源电路向电容器的各个端子输出交流电压和直流电压，以获得根据直流电压分量偏移的交流输出电压。电源电路包括用于输出交流电压和第一直流电压的第一电压调节器和用于输出第二直流电压的第二电压调节器。在接通电源之后的预定时间内，电源电路从第一电压调节器提供第一直流电压和从第二电压调节器提供第二直流电压，以供应到电容器的各个端子。在经过预定的持续时间之后，电源电路将从第一电压调节器输出的电压改变为AC电压，并将AC电压和第二DC电压提供给电容器的各个端子。通过这种布置，在打开电源时可以快速地实现所需的电位。

5. 发明授权

US08228005B2 Light-emitting-element driving circuit 有权
标题翻译：发光元件驱动电路
公开(公告)号：US08228005B2
公开(公告)日：2012-07-24
申请号：US12848396
申请日：2010-08-02
申请人： Nobuyuki Ohtaka , Tomoshi Yoshida
发明人： Nobuyuki Ohtaka , Tomoshi Yoshida
IPC分类号： H05B37/02
CPC分类号： H05B33/0887
摘要： A light-emitting-element driving circuit is provided which comprises a voltage boosting circuit unit which supplies a boosted voltage to a light-emitting element, a current circuit unit which drives the light-emitting element with a current, a normal feedback loop path through which a voltage of the light-emitting element is input as a feedback voltage to the voltage boosting circuit unit, a backup feedback loop path through which a voltage of the light-emitting element is input as the feedback voltage to the voltage boosting circuit unit, an abnormality detection circuit unit which compares the feedback voltage which is input through the normal feedback loop path to the voltage boosting circuit unit and a predetermined determination voltage, to detect abnormality, and a switching circuit which switches from the normal feedback loop path to the backup feedback loop path when the abnormality detection circuit unit has detected the abnormality.
摘要翻译：提供了一种发光元件驱动电路，其包括将升压电压提供给发光元件的升压电路单元，以电流驱动发光元件的电流电路单元，通过正常反馈环路径将所述发光元件的电压作为反馈电压输入到所述升压电路单元，将所述发光元件的电压作为所述反馈电压输入到所述升压电路单元的备用反馈回路，异常检测电路单元，其将通过正常反馈环路输入的反馈电压与升压电路单元和预定的确定电压进行比较，以检测异常;以及开关电路，其从正常反馈环路径切换到备用当异常检测电路单元检测到异常时，反馈环路径。

6. 发明授权

US07518603B2 Power circuit applying AC voltage and DC voltage to respective terminals of a capacitor, for outputting AC voltage shifted in accordance with the DC voltage 有权
标题翻译：电源电路将AC电压和DC电压施加到电容器的各个端子，用于输出根据DC电压偏移的AC电压
公开(公告)号：US07518603B2
公开(公告)日：2009-04-14
申请号：US10928777
申请日：2004-10-28
申请人： Ryuji Yamamoto , Kazunori Nohara , Tomoshi Yoshida
发明人： Ryuji Yamamoto , Kazunori Nohara , Tomoshi Yoshida
IPC分类号： G09G5/00 , G06F3/038
CPC分类号： H02M7/48
摘要： A power circuit outputs and applies an AC voltage and a DC voltage to respective terminals of a capacitor, so as to obtain an AC output voltage shifted in accordance with the DC voltage component. The power circuit includes a first voltage adjuster for outputting an AC voltage, a second voltage adjuster for outputting a DC voltage, a first output terminal which outputs the AC voltage from the first voltage adjuster, and a second output terminal which outputs the DC voltage from the second voltage adjuster. The first output terminal is connected to one end of the capacitor, while the second output terminal is connected to the other end of the capacitor. The power circuit controls impedance between the first output terminal and the first voltage adjuster.
摘要翻译：电源电路向电容器的各个端子输出交流电压和直流电压，以获得根据直流电压分量偏移的交流输出电压。电源电路包括用于输出AC电压的第一电压调节器，用于输出DC电压的第二电压调节器，从第一电压调节器输出AC电压的第一输出端子以及从第一电压调节器输出DC电压的第二输出端子第二电压调节器。第一输出端子连接到电容器的一端，而第二输出端子连接到电容器的另一端。电源电路控制第一输出端子和第一电压调节器之间的阻抗。

7. 发明申请

US20100060674A1 LIGHT-EMITTING ELEMENT DRIVING CIRCUIT 有权
标题翻译：发光元件驱动电路
公开(公告)号：US20100060674A1
公开(公告)日：2010-03-11
申请号：US12557128
申请日：2009-09-10
申请人： Tomoshi Yoshida , Nobuyuki Ohtaka
发明人： Tomoshi Yoshida , Nobuyuki Ohtaka
IPC分类号： G09G5/10 , H05B37/02
CPC分类号： H05B33/0851
摘要： A light-emitting element driving circuit (10) comprises a luminosity determining unit (70) which determines luminosity, outputs a luminosity determination result, and outputs brightness change information, a brightness setting unit (60) which outputs brightness setting information and outputs brightness change information, a light-emitting element driving unit (40) which drives a light-emitting element with a current of a current value corresponding to the brightness setting information, a detecting and comparing unit (50) which compares a terminal voltage of the light-emitting element and a predetermined voltage, a voltage boost determining unit (30) which determines whether or not a terminal voltage of the light-emitting element is to be boosted based on at least one of the luminosity change information and the brightness change information, and a voltage boosting circuit section (20) which boosts the terminal voltage of the light-emitting element when it is determined that the voltage is to be boosted and does not boost the terminal voltage of the light-emitting element when it is determined that the voltage is not to be boosted.
摘要翻译：发光元件驱动电路（10）具有决定亮度的亮度决定部（70），输出亮度判定结果，输出亮度变化信息，输出亮度设定信息的亮度设定部（60），输出亮度变化信息，以与亮度设定信息对应的电流值驱动发光元件的发光元件驱动单元（40），将发光元件的端子电压进行比较的检测比较单元（50）发光元件和预定电压的电压升高确定单元，其基于亮度变化信息和亮度变化信息中的至少一个来确定是否要提高发光元件的端子电压，以及升压电路部（20），其在确定所述电压时提升所述发光元件的端子电压当确定电压不被升压时，Ge将被提升并且不会提高发光元件的端电压。

8. 发明申请

US20050146225A1 Power circuit applying AC voltage and DC voltage to respective terminals of a capacitor, for outputting AC voltage shifted in accordance with the DC voltage 失效
标题翻译：电源电路将AC电压和DC电压施加到电容器的各个端子，用于输出根据DC电压偏移的AC电压
公开(公告)号：US20050146225A1
公开(公告)日：2005-07-07
申请号：US10976183
申请日：2004-10-28
申请人： Ryuji Yamamoto , Kazunori Nohara , Tomoshi Yoshida
发明人： Ryuji Yamamoto , Kazunori Nohara , Tomoshi Yoshida
IPC分类号： G02F1/133 , G09G3/20 , G09G3/36 , H02J1/00 , H02M3/07 , H02M7/48
CPC分类号： G09G3/3655 , G09G2310/0245 , G09G2330/02 , G09G2330/021 , Y10T307/658
摘要： A power circuit outputs and applies an AC voltage and a DC voltage to respective terminals of a capacitor, so as to obtain an AC output voltage shifted in accordance with the DC voltage component. The power circuit comprises a first voltage adjuster for outputting an AC voltage and a first DC voltage, and a second voltage adjuster for outputting a second DC voltage. For a predetermined duration after turning on power, the power circuit supplies the first DC voltage from the first voltage adjuster and the second DC voltage from the second voltage adjuster, for application to respective terminals of the capacitor. After the predetermined duration has passed, the power circuit changes the voltage output from the first voltage adjuster to the AC voltage, and supplies the AC voltage and the second DC voltage for application to the respective terminals of the capacitor. With this arrangement a required potential can be quickly achieved at the time of turning on power.
摘要翻译：电源电路向电容器的各个端子输出交流电压和直流电压，以获得根据直流电压分量偏移的交流输出电压。电源电路包括用于输出交流电压和第一直流电压的第一电压调节器和用于输出第二直流电压的第二电压调节器。在接通电源之后的预定时间内，电源电路从第一电压调节器提供第一直流电压和从第二电压调节器提供第二直流电压，以供应到电容器的各个端子。在经过预定的持续时间之后，电源电路将从第一电压调节器输出的电压改变为AC电压，并将AC电压和第二DC电压提供给电容器的各个端子。通过这种布置，在接通电源时可以快速实现所需的电位。

9. 发明申请

US20050135131A1 Power circuit applying AC voltage and DC voltage to respective terminals of a capacitor, for outputting AC voltage shifted in accordance with the DC voltage 有权
标题翻译：电源电路将AC电压和DC电压施加到电容器的各个端子，用于输出根据DC电压偏移的AC电压
公开(公告)号：US20050135131A1
公开(公告)日：2005-06-23
申请号：US10928777
申请日：2004-10-28
申请人： Ryuji Yamamoto , Kazunori Nohara , Tomoshi Yoshida
发明人： Ryuji Yamamoto , Kazunori Nohara , Tomoshi Yoshida
IPC分类号： G02F1/133 , G05F1/00 , G09G3/20 , G09G3/36 , H02M7/537
CPC分类号： H02M7/48
摘要： A power circuit outputs and applies an AC voltage and a DC voltage to respective terminals of a capacitor, so as to obtain an AC output voltage shifted in accordance with the DC voltage component. The power circuit comprises a first voltage adjuster for outputting an AC voltage, a second voltage adjuster for outputting a DC voltage, a first output terminal which outputs the AC voltage from the first voltage adjuster, and a second output terminal which outputs the DC voltage from the second voltage adjuster. The first output terminal is connected to one end of the capacitor, while the second output terminal is connected to the other end of the capacitor. The power circuit further comprises a device for controlling impedance between the first output terminal and the first voltage adjuster such that the impedance becomes higher at a point of turning off power of the power circuit compared to before the point of turning off power, and a circuit for supplying to the second output terminal a potential different from the DC voltage output from the second voltage adjuster. With this arrangement, a required potential can be quickly achieved at the time of turning off power.
摘要翻译：电源电路向电容器的各个端子输出交流电压和直流电压，以获得根据直流电压分量偏移的交流输出电压。电源电路包括用于输出AC电压的第一电压调节器，用于输出DC电压的第二电压调节器，从第一电压调节器输出AC电压的第一输出端子以及从第一电压调节器输出DC电压的第二输出端子第二电压调节器。第一输出端子连接到电容器的一端，而第二输出端子连接到电容器的另一端。电源电路还包括用于控制第一输出端子和第一电压调节器之间的阻抗的装置，使得在关断电源之前的电源电路的电源断开点处的阻抗变得更高，并且电路用于向第二输出端子提供不同于从第二电压调节器输出的DC电压的电位。利用这种布置，在关闭电源时可以快速实现所需的电位。

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