专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US08222834B2 HID lamp ballast with controlled DC step down circuit 有权
标题翻译： HID灯镇流器带受控直流降压电路
公开(公告)号：US08222834B2
公开(公告)日：2012-07-17
申请号：US12582173
申请日：2009-10-20
申请人： Katsuyoshi Nakada , Tomoyuki Nakano , Junichi Hasegawa , Koji Watanabe
发明人： Katsuyoshi Nakada , Tomoyuki Nakano , Junichi Hasegawa , Koji Watanabe
IPC分类号： H05B37/02 , H05B39/04 , H05B41/36 , G05F1/00 , H05B37/00 , H05B39/00 , H05B41/00 , H05B39/02 , H05B41/16 , H05B41/24
CPC分类号： H05B41/2886 , H05B41/2926
摘要： An electronic ballast is provided for powering a high intensity discharge lamp. A voltage step-down circuit is arranged to reduce an input DC voltage. An inverter circuit includes at least one high frequency switching element is and arranged to convert the reduced voltage to a high frequency AC voltage. A resonant circuit receives the high frequency voltage and is further coupled to the discharge lamp. A voltage step-down control circuit controls the DC voltage output from the voltage step-down circuit. A driving circuit supplies a driving signal to the switching element of the inverter, and further adjusts a driving frequency of the driving signal, thereby controlling the high-frequency voltage. The high frequency voltage in a first operating mode is controlled to a low level wherein the lamp is prevented from starting. The high frequency voltage in a second operating mode is controlled to a high level wherein the discharge lamp can be started.
摘要翻译：提供电子镇流器用于为高强度放电灯供电。布置降压电路以降低输入直流电压。逆变器电路包括至少一个高频开关元件，并且被布置为将降低的电压转换为高频AC电压。谐振电路接收高频电压并且进一步耦合到放电灯。电压降压控制电路控制从降压电路输出的直流电压。驱动电路将驱动信号提供给逆变器的开关元件，并进一步调节驱动信号的驱动频率，从而控制高频电压。在第一操作模式中的高频电压被控制到低电平，其中防止灯起动。第二工作模式下的高频电压被控制到可以启动放电灯的高电平。

2. 发明授权

US08207680B2 Discharge lamp ballast having an auto-transformer for high voltage detection 有权
标题翻译：具有自动变压器的放电灯镇流器用于高电压检测
公开(公告)号：US08207680B2
公开(公告)日：2012-06-26
申请号：US12625632
申请日：2009-11-25
申请人： Katsuyoshi Nakada , Tomoyuki Nakano , Junichi Hasegawa , Koji Watanabe
发明人： Katsuyoshi Nakada , Tomoyuki Nakano , Junichi Hasegawa , Koji Watanabe
IPC分类号： G05F1/00
CPC分类号： H05B41/2887 , H05B41/2883 , H05B41/382 , Y02B20/204
摘要： A lamp ballast is provided requiring less size and cost for powering a discharge lamp. An inverter circuit converts a DC voltage from a DC power source into a voltage having a determined frequency, and supplies the converted voltage to the discharge lamp inserted between a pair of output ends of the inverter. A resonant circuit includes an auto-transformer and a resonant capacitor, and supplies an output voltage corresponding to a frequency of the rectangular wave voltage of the power supply circuit to the discharge lamp. A voltage detection circuit detects an output voltage of the resonant circuit based on a potential of the resonant capacitor. A control circuit has a startup control mode to set the frequency of the rectangular wave voltage based on the detected voltage from the voltage detection circuit, wherein the output voltage of the resonant circuit exceeds a starting voltage of the discharge lamp.
摘要翻译：提供了一种灯泡镇流器，其需要较小的尺寸和成本来为放电灯供电。逆变器电路将来自直流电源的直流电压转换成具有确定频率的电压，并且将转换的电压提供给插入在逆变器的一对输出端之间的放电灯。谐振电路包括自耦变压器和谐振电容器，并且将对应于电源电路的矩形波电压的频率的输出电压提供给放电灯。电压检测电路根据谐振电容器的电位来检测谐振电路的输出电压。控制电路具有基于来自电压检测电路的检测电压来设定矩形波电压的频率的启动控制模式，其中谐振电路的输出电压超过放电灯的起始电压。

3. 发明申请

US20100102757A1 HID Lamp Ballast with Controlled DC Step Down Circuit 有权
标题翻译： HID灯镇流器与受控直流降压电路
公开(公告)号：US20100102757A1
公开(公告)日：2010-04-29
申请号：US12582173
申请日：2009-10-20
申请人： Katsuyoshi Nakada , Tomoyuki Nakano , Junichi Hasegawa , Koji Watanabe
发明人： Katsuyoshi Nakada , Tomoyuki Nakano , Junichi Hasegawa , Koji Watanabe
IPC分类号： H05B41/36
CPC分类号： H05B41/2886 , H05B41/2926
摘要： An electronic ballast is provided for powering a high intensity discharge lamp. A voltage step-down circuit is arranged to reduce an input DC voltage. An inverter circuit includes at least one high frequency switching element is and arranged to convert the reduced voltage to a high frequency AC voltage. A resonant circuit receives the high frequency voltage and is further coupled to the discharge lamp. A voltage step-down control circuit controls the DC voltage output from the voltage step-down circuit. A driving circuit supplies a driving signal to the switching element of the inverter, and further adjusts a driving frequency of the driving signal, thereby controlling the high-frequency voltage. The high frequency voltage in a first operating mode is controlled to a low level wherein the lamp is prevented from starting. The high frequency voltage in a second operating mode is controlled to a high level wherein the discharge lamp can be started.
摘要翻译：提供电子镇流器用于为高强度放电灯供电。布置降压电路以降低输入直流电压。逆变器电路包括至少一个高频开关元件，并且被布置为将降低的电压转换为高频AC电压。谐振电路接收高频电压并且进一步耦合到放电灯。电压降压控制电路控制从降压电路输出的直流电压。驱动电路将驱动信号提供给逆变器的开关元件，并进一步调节驱动信号的驱动频率，从而控制高频电压。在第一操作模式中的高频电压被控制到低电平，其中防止灯起动。第二工作模式下的高频电压被控制到可以启动放电灯的高电平。

4. 发明授权

US08581510B2 Discharge lamp lighting apparatus 有权
标题翻译：放电灯照明装置
公开(公告)号：US08581510B2
公开(公告)日：2013-11-12
申请号：US12993894
申请日：2009-05-26
申请人： Katsuyoshi Nakada , Tomoyuki Nakano , Junichi Hasegawa , Koji Watanabe
发明人： Katsuyoshi Nakada , Tomoyuki Nakano , Junichi Hasegawa , Koji Watanabe
IPC分类号： H05B37/02
CPC分类号： H05B41/2886 , H05B41/38
摘要： In order to suppress a peak of an excessive current and suppress a variation in a resonance voltage of a resonator, which are likely to occur immediately after a discharge lamp starts lighting, in a case where a high-frequency current continuously flows asymmetrically with respect to a zero current instead of flowing symmetrically on positive and negative sides immediately after the lighting since electrodes of the discharge lamp are not evenly warmed, the resonance voltage and the high-frequency current are finely adjusted in a resonance voltage and high-frequency current setting method including setting a drive frequency of an inverter circuit and varying output from a down-converter.
摘要翻译：为了抑制过电流的峰值，并且抑制在放电灯开始点亮之后立即发生的谐振器的谐振电压的变化，在高频电流相对于零电流，而不是立即在点亮之后的正侧和负侧对称地流动，因为放电灯的电极不均匀地加热，谐振电压和高频电流在谐振电压和高频电流设定方法中被微调包括设置逆变器电路的驱动频率和改变下变频器的输出。

5. 发明授权

US08324829B2 Startup control for a high pressure discharge lamp ballast 有权
标题翻译：高压放电灯镇流器启动控制
公开(公告)号：US08324829B2
公开(公告)日：2012-12-04
申请号：US12694099
申请日：2010-01-26
申请人： Katsuyoshi Nakada , Tomoyuki Nakano , Koji Watanabe
发明人： Katsuyoshi Nakada , Tomoyuki Nakano , Koji Watanabe
IPC分类号： H05B37/00 , H05B41/295
CPC分类号： H05B41/382 , H05B41/2883 , Y02B20/204
摘要： A high pressure discharge lamp ballast is provided with a control operation for stable transition from a lamp ignition mode into a preheating mode. An inverter is coupled across a DC source and has a plurality of switching elements coupled to the high pressure discharge lamp. A series resonant LC circuit is coupled to the inverter outputs and to the high pressure discharge lamp. A control circuit is coupled to the switching elements and configured to control switching operation. An ignition mode has one or more time periods during each of which a driving frequency of the switching elements is swept through a predetermined range of frequencies and then controlled at a first driving frequency less than the predetermined range of frequencies. A preheating mode follows wherein the switching elements are controlled at a second driving frequency less than the predetermined range of frequencies.
摘要翻译：高压放电灯镇流器具有用于从灯点火模式稳定转变为预热模式的控制操作。反相器跨越DC源耦合并且具有耦合到高压放电灯的多个开关元件。串联谐振LC电路耦合到逆变器输出端和高压放电灯。控制电路耦合到开关元件并且被配置为控制开关操作。点火模式具有一个或多个时间段，其中开关元件的驱动频率扫过预定频率范围，然后以小于预定频率范围的第一驱动频率进行控制。遵循预热模式，其中开关元件被控制在小于预定频率范围的第二驱动频率。

6. 发明申请

US20100176737A1 DISCHARGE LAMP BALLAST HAVING AN AUTO-TRANSFORMER FOR HIGH VOLTAGE DETECTION 有权
标题翻译：具有用于高电压检测的自动变压器的放电灯
公开(公告)号：US20100176737A1
公开(公告)日：2010-07-15
申请号：US12625632
申请日：2009-11-25
申请人： Katsuyoshi Nakada , Tomoyuki Nakano , Junichi Hasegawa , Koji Watanabe
发明人： Katsuyoshi Nakada , Tomoyuki Nakano , Junichi Hasegawa , Koji Watanabe
IPC分类号： H05B41/36 , H05B41/26
CPC分类号： H05B41/2887 , H05B41/2883 , H05B41/382 , Y02B20/204
摘要： A lamp ballast is provided requiring less size and cost for powering a discharge lamp. An inverter circuit converts a DC voltage from a DC power source into a voltage having a determined frequency, and supplies the converted voltage to the discharge lamp inserted between a pair of output ends of the inverter. A resonant circuit includes an auto-transformer and a resonant capacitor, and supplies an output voltage corresponding to a frequency of the rectangular wave voltage of the power supply circuit to the discharge lamp. A voltage detection circuit detects an output voltage of the resonant circuit based on a potential of the resonant capacitor. A control circuit has a startup control mode to set the frequency of the rectangular wave voltage based on the detected voltage from the voltage detection circuit, wherein the output voltage of the resonant circuit exceeds a starting voltage of the discharge lamp.
摘要翻译：提供了一种灯泡镇流器，其需要较小的尺寸和成本来为放电灯供电。逆变器电路将来自直流电源的直流电压转换成具有确定频率的电压，并且将转换的电压提供给插入在逆变器的一对输出端之间的放电灯。谐振电路包括自耦变压器和谐振电容器，并且将对应于电源电路的矩形波电压的频率的输出电压提供给放电灯。电压检测电路根据谐振电容器的电位来检测谐振电路的输出电压。控制电路具有基于来自电压检测电路的检测电压来设定矩形波电压的频率的启动控制模式，其中谐振电路的输出电压超过放电灯的起始电压。

7. 发明申请

US20100194302A1 STARTUP CONTROL FOR A HIGH PRESSURE DISCHARGE LAMP BALLAST 有权
标题翻译：高压放电灯泡的启动控制
公开(公告)号：US20100194302A1
公开(公告)日：2010-08-05
申请号：US12694099
申请日：2010-01-26
申请人： Katsuyoshi Nakada , Tomoyuki Nakano , Koji Watanabe
发明人： Katsuyoshi Nakada , Tomoyuki Nakano , Koji Watanabe
IPC分类号： H05B41/36
CPC分类号： H05B41/382 , H05B41/2883 , Y02B20/204
摘要： A high pressure discharge lamp ballast is provided with a control operation for stable transition from a lamp ignition mode into a preheating mode. An inverter is coupled across a DC source and has a plurality of switching elements coupled to the high pressure discharge lamp. A series resonant LC circuit is coupled to the inverter outputs and to the high pressure discharge lamp. A control circuit is coupled to the switching elements and configured to control switching operation. An ignition mode has one or more time periods during each of which a driving frequency of the switching elements is swept through a predetermined range of frequencies and then controlled at a first driving frequency less than the predetermined range of frequencies. A preheating mode follows wherein the switching elements are controlled at a second driving frequency less than the predetermined range of frequencies.
摘要翻译：高压放电灯镇流器具有用于从灯点火模式稳定转变为预热模式的控制操作。反相器跨越DC源耦合并且具有耦合到高压放电灯的多个开关元件。串联谐振LC电路耦合到逆变器输出端和高压放电灯。控制电路耦合到开关元件并且被配置为控制开关操作。点火模式具有一个或多个时间段，其中开关元件的驱动频率扫过预定频率范围，然后以小于预定频率范围的第一驱动频率进行控制。遵循预热模式，其中开关元件被控制在小于预定频率范围的第二驱动频率。

8. 发明申请

US20110074310A1 DISCHARGE LAMP LIGHTING APPARATUS 有权
标题翻译：放电灯照明设备
公开(公告)号：US20110074310A1
公开(公告)日：2011-03-31
申请号：US12993894
申请日：2009-05-26
申请人： Katsuyoshi Nakada , Tomoyuki Nakano , Junichi Hasegawa , Koji Watanabe
发明人： Katsuyoshi Nakada , Tomoyuki Nakano , Junichi Hasegawa , Koji Watanabe
IPC分类号： H05B37/02
CPC分类号： H05B41/2886 , H05B41/38
摘要： In order to suppress a peak of an excessive current and suppress a variation in a resonance voltage of a resonator, which are likely to occur immediately after a discharge lamp starts lighting, in a case where a high-frequency current continuously flows asymmetrically with respect to a zero current instead of flowing symmetrically on positive and negative sides immediately after the lighting since electrodes of the discharge lamp are not evenly warmed, the resonance voltage and the high-frequency current are finely adjusted in a resonance voltage and high-frequency current setting method including setting a drive frequency of an inverter circuit and varying output from a down-converter.
摘要翻译：为了抑制过电流的峰值，并且抑制在放电灯开始点亮之后立即发生的谐振器的谐振电压的变化，在高频电流相对于零电流，而不是立即在点亮之后的正侧和负侧对称地流动，因为放电灯的电极不均匀地加热，谐振电压和高频电流在谐振电压和高频电流设定方法中被微调包括设置逆变器电路的驱动频率和改变下变频器的输出。

9. 发明授权

US08125602B2 Liquid crystal display panel, electronic apparatus equipped with the same, and method for manufacturing liquid crystal display panel 有权
标题翻译：液晶显示面板，配备其的电子设备以及液晶显示面板的制造方法
公开(公告)号：US08125602B2
公开(公告)日：2012-02-28
申请号：US12190320
申请日：2008-08-12
申请人： Hiroki Sugiyama , Tomoyuki Nakano , Keiji Takizawa
发明人： Hiroki Sugiyama , Tomoyuki Nakano , Keiji Takizawa
IPC分类号： G02F1/1333
CPC分类号： G02F1/133512 , G02F1/1339 , G02F2001/133388 , G02F2201/50
摘要： There is provided a liquid crystal display panel that includes an array substrate having at least a pixel electrode and a switching element for every pixel area in a display area on a transparent substrate, a color filter substrate in which a light shielding layer made of a resin is formed on a transparent substrate at least outside the display area and a color filter layer is formed to oppose the pixel electrode, and liquid crystal enclosed between the array substrate and the color filter substrate that are bonded by a seal material. A protection film having an opening, the opening being opened in the display area, is formed on the color filter substrate in the outside of the display area to cover at least the portion of the light shielding layer on which the seal material is formed.
摘要翻译：提供了一种液晶显示面板，其包括具有至少像素电极的阵列基板和用于透明基板上的显示区域中的每个像素区域的开关元件，滤色器基板，其中由树脂制成的遮光层至少在显示区域的外部形成在透明基板上，并且形成滤色器层以与像素电极相对，以及由阵列基板和滤色器基板封装在由密封材料粘接的液晶。在显示区域的外侧的滤色器基板上形成具有开口部的开口部的保护膜，该开口部在显示区域开口，至少覆盖形成有密封材料的遮光层的部分。

10. 发明授权

US07446832B2 Electro-optical device with light shield made of small to larger width colored layers between adjacent dot regions on colored filter substrate 有权
标题翻译：具有遮光罩的电光装置由彩色滤光片基板上的相邻点区域之间的较小宽度的彩色层制成
公开(公告)号：US07446832B2
公开(公告)日：2008-11-04
申请号：US11205328
申请日：2005-08-16
申请人： Tomoyuki Nakano , Keiji Takizawa , Kimitaka Kamijo , Tatsuya Kato
发明人： Tomoyuki Nakano , Keiji Takizawa , Kimitaka Kamijo , Tatsuya Kato
IPC分类号： G02F1/1335
CPC分类号： G02F1/133512 , G02F1/133514 , G02F1/133555
摘要： An electro-optical device includes a substrate that supports an electro-optical material; a plurality of display dot regions; and a light-shielding film that is provided among the plurality of display dot regions on the substrate and that is formed by laminating a plurality of colored layers. In the electro-optical device, one of the plurality of colored layers is formed such that both ends thereof in a widthwise direction protrude from edges of the other colored layers.
摘要翻译：电光装置包括支撑电光材料的基板; 多个显示点区域; 以及设置在所述基板上的所述多个显示点区域中并且通过层叠多个着色层而形成的遮光膜。在电光装置中，多个着色层中的一个形成为使得其宽度方向的两端从其它着色层的边缘突出。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式