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1. 发明公开

KR20070101798A INVERTER, AND LIGHT-EMITTING DEVICE AND IMAGE DISPLAY DEVICE USING THE SAME, POWER SOURCE DEVICE 审中-公开
标题翻译：逆变器和发光装置和使用其的图像显示装置，电源装置
公开(公告)号：KR20070101798A
公开(公告)日：2007-10-17
申请号：KR20070035957
申请日：2007-04-12
申请人： ROHM CO LTD
发明人： FUKUMOTO KENICHI
IPC分类号： H05B41/24 , H05B41/14
CPC分类号： H02M3/335
摘要： An inverter, and a light-emitting device, an image display device, and a power supply device using the same are provided to drive a load stably without using a photo coupler by installing a control circuit on a secondary region. An inverter includes a transformer(12), a switching circuit(10), a plurality of pulse transformers(30,32), a feedback line(16), and a control circuit(20). The transformer(12) connects a load to a secondary winding wire side. The switching circuit(10) has a plurality of transistors coupled to a first winding wire of the transformer(12). The switching circuit(10) alternatively applies an input voltage and a fixed voltage lower than the input voltage to the first winding wire of the transformer(12). The plurality of pulse transformers(30,32) are installed on the plurality of transistors of the switching circuit(10). The second winding wire of the plurality of pulse transformers(30,32) is coupled to the control terminal of the plurality of transistors. A feedback signal, indicating the electric state of the load, is flowed through the feedback line(16). The control circuit(20) receives the feedback signal fed by the feedback line, and supplies a switching power to the first winding wire of the plurality of pulse transformers(30,32) based on a corresponding feedback signal. The first winding wire of the transformer(12), the switching circuit(20), and the second winding wire of the plurality of pulse transformers(30,32) are installed on the first side region. The second winding wire of the transformer(12), the first winding wire of the plurality of pulse transformers(30,32), the feedback line(16), and the control circuit(20) are installed on the secondary side.
摘要翻译：提供了一种逆变器和发光装置，图像显示装置以及使用其的电源装置，通过在二次区域上安装控制电路来稳定地驱动负载而不使用光耦合器。逆变器包括变压器（12），开关电路（10），多个脉冲变压器（30,32），反馈线（16）和控制电路（20）。变压器（12）将负载连接到次级绕组线侧。开关电路（10）具有耦合到变压器（12）的第一绕组线的多个晶体管。开关电路（10）交替地将输入电压和低于输入电压的固定电压施加到变压器（12）的第一绕组线。多个脉冲变压器（30,32）安装在开关电路（10）的多个晶体管上。多个脉冲变压器（30,32）中的第二绕组线耦合到多个晶体管的控制端。指示负载的电状态的反馈信号通过反馈线（16）流动。控制电路（20）接收由反馈线馈送的反馈信号，并且基于相应的反馈信号向多个脉冲变压器（30,32）中的第一绕组提供开关电力。变压器（12）的第一绕组线，多个脉冲变压器（30,32）中的开关电路（20）和第二绕组线安装在第一侧区域上。变压器（12）的第二绕组线，多个脉冲变压器（30,32）的第一绕组线，反馈线（16）和控制电路（20）安装在次级侧。

2. 发明公开

KR20070101797A INVERTER, AND LIGHT-EMITTING DEVICE AND IMAGE DISPLAY DEVICE USING THE SAME 审中-公开
标题翻译：逆变器和发光装置以及使用其的图像显示装置
公开(公告)号：KR20070101797A
公开(公告)日：2007-10-17
申请号：KR20070035932
申请日：2007-04-12
申请人： ROHM CO LTD
发明人： FUKUMOTO KENICHI , NAM GOANG WOO
IPC分类号： G02F1/13357 , H05B41/24
CPC分类号： H05B41/2827
摘要： An inverter apparatus, and a light-emitting device and an image display device using the same are provided to operate a plurality of loads by sharing a control circuit for performing feedback control of on/off status of transistors of a switch circuit. An inverter apparatus comprises the following parts: a transformer including a first winding and a second winding; a switching circuit including a plurality of transistors connected to the first winding of the transformer, for applying a locked voltage which is less than a locked voltage and the input voltage to the first winding of the transformer; a plurality of capacitors in which one stage is connected to a second winding of the transformer and the other stage is connected to a plurality of loads; and a control circuit(20) for performing feedback control of on/off status of the plurality of transistors of the switch circuit and adjusting supply of switching power of the first winding of the transformer.
摘要翻译：提供了一种逆变器装置，以及使用其的发光装置和图像显示装置，通过共享用于执行开关电路的晶体管的开/关状态的反馈控制的控制电路来操作多个负载。逆变器装置包括以下部分：变压器，包括第一绕组和第二绕组; 开关电路，包括连接到变压器的第一绕组的多个晶体管，用于将小于锁定电压的锁定电压和输入电压施加到变压器的第一绕组; 多个电容器，其中一级连接到变压器的第二绕组，另一级连接到多个负载; 以及控制电路（20），用于执行开关电路的多个晶体管的开/关状态的反馈控制，并且调整变压器的第一绕组的开关功率的供应。

3. 发明专利

DE112018000616T5 LED-TREIBERSCHALTUNG, LED-TREIBERVORRICHTUNG UND LED-TREIBERSYSTEM 未知
公开(公告)号：DE112018000616T5
公开(公告)日：2019-12-12
申请号：DE112018000616
申请日：2018-01-31
申请人： ROHM CO LTD
发明人： FUKUMOTO KENICHI , KATSURA KOJI , KANEMITSU RYOSUKE , ITAI JUNICHI , MATSUI NOBUAKI , NAKASHIMA SEIJI , MIYAMOTO KOUJI
IPC分类号： H05B37/02 , H05B44/00 , H01L33/00 , H01L33/48
摘要： Eine LED-Treiberschaltung steuert ein LED-Modul an. Das LED-Modul weist eine lichtemittierende Diode und eine Identifikationseinheit mit charakteristischen Informationen über die lichtemittierenden Eigenschaften der lichtemittierenden Diode auf. Die LED-Treiberschaltung beinhaltet eine Erfassungseinheit und eine Treiberschaltung. Die Erfassungseinheit ist zum Erfassen von charakteristischen Informationen vorgesehen und erzeugt ein Erkennungssignal, das den charakteristischen Informationen entspricht. Die Treiberschaltung erzeugt den Treiberstrom durch ein Treibersignal, das gemäß den charakteristischen Informationen basierend auf dem Erkennungssignal zugeführt wird, und liefert den Treiberstrom zum Ansteuern der lichtemittierenden Diode.

4. 发明专利

JP2007185058A Inverter, its control circuit, light emitting device therewith, and liquid crystal television 有权
标题翻译：逆变器，其控制电路，其发光装置和液晶电视
公开(公告)号：JP2007185058A
公开(公告)日：2007-07-19
申请号：JP2006002184
申请日：2006-01-10
申请人： Rohm Co Ltd , ローム株式会社
发明人： FUKUMOTO KENICHI
IPC分类号： H02M7/48 , G02F1/13357
CPC分类号： H05B41/3927 , H05B41/24 , H05B41/2806 , H05B41/2828 , Y02B20/22 , Y10S315/04
摘要： PROBLEM TO BE SOLVED: To limit modulated light control from the outside according to a circuit condition. SOLUTION: The control circuit of an inverter for driving a fluorescent lamp includes a first triangular wave signal generating circuit used for analog modulated light control and a second triangular wave signal generating section used for burst modulated light control. The first triangular wave signal generating section oscillates at higher frequencies than the second triangular wave signal generating section. A semiconductor substrate 30c for integrating the control circuit is divided at least two areas 30a, 30b by a fixed potential wiring 500. One area 30a arranges a circuit block including the first triangular wave signal generating section, while the other area 30b places a circuit block including both the second triangular wave signal generating section and a comparator for burst modulated light control. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：根据电路条件限制来自外部的调制光控制。解决方案：用于驱动荧光灯的逆变器的控制电路包括用于模拟调制光控制的第一三角波信号产生电路和用于突发调制光控制的第二三角波信号产生部分。第一三角波信号产生部分以比第二三角波信号产生部分更高的频率振荡。用于对控制电路进行积分的半导体基板30c通过固定电位布线500划分为至少两个区域30a，30b。一个区域30a布置包括第一三角波信号产生部分的电路块，而另一个区域30b放置电路块包括第二三角波信号产生部分和用于突发调制光控制的比较器。版权所有（C）2007，JPO＆INPIT

5. 发明专利

JP2007143262A Inverter, and light emitting apparatus and liquid crystal television using same 审中-公开
标题翻译：逆变器和发光装置和使用相同的液晶电视
公开(公告)号：JP2007143262A
公开(公告)日：2007-06-07
申请号：JP2005332207
申请日：2005-11-16
申请人： Rohm Co Ltd , ローム株式会社
发明人： FUKUMOTO KENICHI
IPC分类号： H02M7/48 , H02M7/5387
CPC分类号： Y02B20/202
摘要： PROBLEM TO BE SOLVED: To prevent a through-current in an inverter using an H-bridge circuit. SOLUTION: A timing control section 42 outputs control signals SH, SL for indicating turnon and turnoff of transistors. A first comparator 44 compares a first switching voltage Vsw1 at one end of a primary coil with a first threshold voltage Vth1. A pre-driver 48 controls turnon and turnoff of the transistors based on the control signals SH, SL and a first comparison signal Vcmp1 outputted from the first comparator 44. The pre-driver 48 logically combines a control signal SH1 outputted from the timing control section 42 and the first comparison signal Vcmp1, and turns on the first high-side transistor MH1 when turnon of the first high-side transistor MH1 is indicated and the first comparison signal Vcmp1 is a predetermined level. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了防止使用H桥电路的逆变器中的贯通电流。解决方案：定时控制部分42输出用于指示晶体管的导通和截止的控制信号SH，SL。第一比较器44将初级线圈的一端的第一开关电压Vsw1与第一阈值电压Vth1进行比较。预驱动器48基于控制信号SH，SL和从第一比较器44输出的第一比较信号Vcmp1来控制晶体管的导通和截止。预驱动器48逻辑组合从定时控制部分输出的控制信号SH1 42和第一比较信号Vcmp1，并且当指示第一高侧晶体管MH1的旋转并且第一比较信号Vcmp1是预定电平时，接通第一高侧晶体管MH1。版权所有（C）2007，JPO＆INPIT

6. 发明专利

JP2007142685A Triangle wave generating circuit, inverter using same, light emitting apparatus, and liquid crystal television receiver 有权
标题翻译：三角波发生电路，使用相同的逆变器，发光装置和液晶电视接收器
公开(公告)号：JP2007142685A
公开(公告)日：2007-06-07
申请号：JP2005332203
申请日：2005-11-16
申请人： Rohm Co Ltd , ローム株式会社
发明人： FUKUMOTO KENICHI
IPC分类号： H03K4/06 , H02M7/48
CPC分类号： H02M7/53871 , H05B41/2806 , H05B41/2822 , Y02B20/22
摘要： PROBLEM TO BE SOLVED: To provide a triangle wave generating circuit capable of generating a triangle wave signal synchronously with an external circuit. SOLUTION: A first comparator 32 compares an output voltage Vout across a capacitor C2 with a maximum threshold voltage Vmax. Then a second comparator 34 compares the output voltage Vout with a minimum threshold voltage Vmin. Further, an edge detection circuit 50 detects an edge of a synchronizing signal SYNC whose frequency is nearly a half that of the output voltage Vout and outputs an edge detection signal SW. Then a charge/discharge control section 40 references first and second comparison signals Vcmp1, Vcmp2, sets a charge/discharge circuit 38 to a discharge state when the output voltage Vout gets higher than the maximum threshold voltage Vmax, and the charge/discharge control section 40 sets the charge/discharge circuit 38 to a charging state when the output voltage Vout gets lower than the minimum threshold voltage Vmin. Moreover, the charge/discharge control section 40 switches a charging/discharging state of the charge/discharge circuit 38 when the edge detection signal ES reaches a prescribed level. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够与外部电路同步产生三角波信号的三角波产生电路。解决方案：第一比较器32将电容器C2两端的输出电压Vout与最大阈值电压Vmax进行比较。然后，第二比较器34将输出电压Vout与最小阈值电压Vmin进行比较。此外，边缘检测电路50检测频率几乎是输出电压Vout的一半的同步信号SYNC的边沿，并输出边缘检测信号SW。然后，充电/放电控制部分40参考第一和第二比较信号Vcmp1，Vcmp2，当输出电压Vout高于最大阈值电压Vmax时，将充电/放电电路38设置为放电状态，并且充电/放电控制部分当输出电压Vout低于最小阈值电压Vmin时，40将充电/放电电路38设置为充电状态。此外，当边缘检测信号ES达到规定水平时，充放电控制部分40切换充电/放电电路38的充电/放电状态。版权所有（C）2007，JPO＆INPIT

7. 发明专利

JP2004350444A Dc-ac conversion device and ac power supply method 有权
标题翻译：直流交流转换装置和交流电源方法
公开(公告)号：JP2004350444A
公开(公告)日：2004-12-09
申请号：JP2003146060
申请日：2003-05-23
申请人： Rohm Co Ltd , ローム株式会社
发明人： TODA HIROKI , FUKUMOTO KENICHI , AOYANAGI YOSUKE , FUJITA HIROYUKI
IPC分类号： H05B41/24 , H02M7/48 , H02M7/538 , H05B41/282 , H05B41/392
CPC分类号： H02M7/5381 , H02M3/3372 , H02M2001/0048 , H05B41/2824 , H05B41/3927 , Y02B70/1491
摘要： PROBLEM TO BE SOLVED: To provide an inverter capable of fine-adjusting power supply to a load with a simple structure, using a transformer having a primary winding with a center tap supplied with DC voltage. SOLUTION: The center tap is supplied with DC power voltage, and a first and a second semiconductor switches are alternately provided between each end and a common potential point of its primary winding to feed back current passing through a load for PWM control of the respective semiconductor switches. A series circuit consisting of a capacitor and the semiconductor switch are respectively connected between the center tap and both ends of the primary winding, and the respective semiconductor switches are synchronously turned on, thus preventing generation of an abnormally high voltage at switching. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种能够以简单的结构微调负载的电源的逆变器，使用具有提供有直流电压的中心抽头的初级绕组的变压器。解决方案：中心抽头具有直流电源电压，并且第一和第二半导体开关交替地设置在其一端和其初级绕组的公共电位点之间，以反馈通过负载的电流用于PWM控制各个半导体开关。由电容器和半导体开关组成的串联电路分别连接在初级绕组的中心抽头和两端之间，并且各个半导体开关同步导通，从而防止在开关时产生异常高的电压。版权所有（C）2005，JPO＆NCIPI

8. 发明专利

JP2008067005A Triangular wave generating circuit, generating method, inverter using them, light-emitting device, and liquid crystal television 有权
标题翻译：三角波发生电路，发电方法，使用它们的逆变器，发光装置和液晶电视
公开(公告)号：JP2008067005A
公开(公告)日：2008-03-21
申请号：JP2006241990
申请日：2006-09-06
申请人： Rohm Co Ltd , ローム株式会社
发明人： HAGINO JUNICHI , FUKUMOTO KENICHI
IPC分类号： H03K4/501 , H02M7/493
CPC分类号： H03K4/502
摘要： PROBLEM TO BE SOLVED: To generate a triangular wave signal synchronizing with an external circuit. SOLUTION: A charge/discharge circuit 32 charges/discharges a capacitor C2 in which voltage of an end is fixed. A first comparator COMP1 compares output voltage Vout of the capacitor C2 with a first threshold voltage value Vmin, and outputs a first comparison signal S1 according to the comparison result. An edge detection circuit 34 detects an edge of a synchronous signal SYNC_IN which has a nearly half frequency of the triangular wave signal generated by a triangular wave generating circuit 30, and outputs an edge detection signal S4 which becomes a predetermined level for every detected edge. A charge/discharge control unit 40 refers the first comparison signal S1 output from the first comparator COMP1 and the edge detection signal S4 output from the edge detection circuit 34, changes over a charge/discharge condition of the charge/discharge circuit 32 according to level transition of these signals. The voltage of the capacitor C2 is outputted as a triangular wave signal Vosc. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：产生与外部电路同步的三角波信号。解决方案：充电/放电电路32对端电压固定的电容器C2进行充放电。第一比较器COMP1将电容器C2的输出电压Vout与第一阈值电压Vmin进行比较，并根据比较结果输出第一比较信号S1。边缘检测电路34检测由三角波产生电路30产生的三角波信号的近一半频率的同步信号SYNC_IN的边沿，并输出每个检测到的边缘成为预定电平的边缘检测信号S4。充放电控制单元40参考从第一比较器COMP1输出的第一比较信号S1和从边缘检测电路34输出的边缘检测信号S4，根据电平来改变充电/放电电路32的充电/放电状态这些信号的转换。电容器C2的电压作为三角波信号Vosc输出。版权所有（C）2008，JPO＆INPIT

9. 发明专利

JP2007288822A Inverter, light-emitting apparatus employing same, image display apparatus, and power supply 有权
标题翻译：逆变器，使用其的发光装置，图像显示装置和电源
公开(公告)号：JP2007288822A
公开(公告)日：2007-11-01
申请号：JP2006109702
申请日：2006-04-12
申请人： Rohm Co Ltd , ローム株式会社
发明人： FUKUMOTO KENICHI
IPC分类号： H02M7/48 , H02M3/28 , H05B41/24 , H05B41/282
CPC分类号： H02M3/335
摘要： PROBLEM TO BE SOLVED: To stably drive a load without using a photocoupler. SOLUTION: A primary side region 402 and a secondary side region 404 are electrically insulated from each other. First and second pulse transformers 30, 32 are provided for each transistor inside a switching circuit 10, and two sets of secondary winding 30b, 32b thereof are connected to a control terminal of the transistor. A control circuit 20 supplies switching voltages Vsw1, Vsw2 to two sets of primary winding 30a, 32a of the pulse transformer on the basis of a feedback signal Vfb fed back from a feedback line 16. A primary winding 12a of the transformer 12, the switching circuit 10, the two sets of secondary winding 30b, 32b are arranged on the primary side region 402, and a secondary winding 12b of the transformer 12, the two sets of primary winding 30a, 32a, the feedback line 16, and the control circuit 20 are arranged on the secondary side region 404. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：在不使用光电耦合器的情况下稳定地驱动负载。
解决方案：初级侧区域402和次级侧区域404彼此电绝缘。为开关电路10内的每个晶体管提供第一和第二脉冲变压器30,32，并且其两个次级绕组30b，32b连接到晶体管的控制端子。控制电路20基于从反馈线16反馈的反馈信号Vfb，将开关电压Vsw1，Vsw2提供给脉冲变压器的两组初级绕组30a，32a。变压器12的初级绕组12a，开关电路10中，两组次级绕组30b，32b布置在初级侧区域402上，变压器12的次级绕组12b，两组初级绕组30a，32a，反馈线16和控制电路 20被布置在次级侧区域404上。（C）2008，JPO＆INPIT

10. 发明专利

JP2007143261A Inverter and method of driving same, and light emitting apparatus and liquid crystal television using same 有权
标题翻译：逆变器及其驱动方法，发光装置和使用其的液晶电视
公开(公告)号：JP2007143261A
公开(公告)日：2007-06-07
申请号：JP2005332199
申请日：2005-11-16
申请人： Rohm Co Ltd , ローム株式会社
发明人： FUKUMOTO KENICHI
IPC分类号： H02M7/48 , H05B41/24
CPC分类号： Y02B20/202
摘要： PROBLEM TO BE SOLVED: To flexibly set timing of a switching operation in an inverter. SOLUTION: An H-bridge circuit is controlled based on a triangular waveform signal Vosc and an error voltage Verr. A first high-side transistor MH1 and a second low-side transistor ML2 are turned on for a first period until the triangular waveform signal reaches the error voltage. The first high-side transistor MH1 is turned on for a second period until the triangular waveform signal reaches a peak edge. A second high-side transistor MH2 is turned on for a third period until the triangular waveform signal reaches a bottom edge. A first low-side transistor ML1 and the second high-side transistor MH2 are turned on for a fourth period until the triangular waveform signal reaches the error voltage again. The second high-side transistor MH2 is turned on for a fifth period until the triangular waveform signal reaches the peak edge again. The first high-side transistor MH1 is turned on for a sixth period until the triangular waveform signal reaches the bottom edge again. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：灵活地设置逆变器中的开关操作的定时。解决方案：基于三角波形信号Vosc和误差电压Verr来控制H桥电路。第一高侧晶体管MH1和第二低侧晶体管ML2导通第一周期，直到三角波形信号达到误差电压。第一高侧晶体管MH1导通第二时段，直到三角形波形信号达到峰值边缘。第二高侧晶体管MH2导通第三周期，直到三角形波形信号到达底部边缘。第一低侧晶体管ML1和第二高侧晶体管MH2导通第四周期，直到三角波形信号再次达到误差电压。第二高侧晶体管MH2导通第五周期，直到三角形波形信号再次达到峰值边缘。第一高侧晶体管MH1导通第六个周期，直到三角形波形信号再次到达底部边缘。版权所有（C）2007，JPO＆INPIT

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