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1. 发明专利

JP2007227332A Driving apparatus for cold-cathode fluorescent lamp 审中-公开
标题翻译：用于冷阴极荧光灯的驱动装置
公开(公告)号：JP2007227332A
公开(公告)日：2007-09-06
申请号：JP2006083793
申请日：2006-03-24
申请人： Samsung Electro Mech Co Ltd , 三星電機株式会社
发明人： GONG JUNG CHUL , SHIN SANG CHEOL , MIN BYOUNG OWN , HA CHANG WOO
IPC分类号： H05B41/24 , H05B41/392
CPC分类号： H05B41/2828 , H05B41/382 , Y02B20/186 , Y10S315/05
摘要： PROBLEM TO BE SOLVED: To provide a driving apparatus for a cold-cathode fluorescent lamp, capable of providing a high output voltage necessary for an open lamp and thereby satisfying a voltage standard required to drive the lamp. SOLUTION: In the driving apparatus for generating a lamp driving power source by use of an inverter 33 made of a switching circuit of a half-bridge structure, when the lamp 30 is open, a tuning capacitor current of an oscillator 31, which provides a reference clock for switching drive of the inverter part 33 is incremented so that a clock frequency which is a basis for a switching speed of the inverter is boosted. This consequently increases the switching speed of the inverter and then an output voltage. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于冷阴极荧光灯的驱动装置，其能够提供开灯所需的高输出电压，从而满足驱动灯所需的电压标准。解决方案：在使用由半桥结构的开关电路制成的逆变器33产生灯驱动电源的驱动装置中，当灯30断开时，振荡器31的调谐电容器电流，提供用于逆变器部分33的开关驱动的参考时钟增加，从而提高作为逆变器的开关速度的基础的时钟频率。这因此增加了逆变器的开关速度，然后增加了输出电压。版权所有（C）2007，JPO＆INPIT

2. 发明专利

JP2006238403A Circuit and method for compensating for offset voltage 审中-公开
标题翻译：用于补偿偏置电压的电路和方法
公开(公告)号：JP2006238403A
公开(公告)日：2006-09-07
申请号：JP2005145713
申请日：2005-05-18
申请人： Samsung Electro Mech Co Ltd , 三星電機株式会社
发明人： GONG JUNG CHUL , KWON KYOUNG SOO , HWANG HYEON-SEOK , KIM SANG SUK
IPC分类号： H03F3/34 , H03F1/30 , H03F3/08
CPC分类号： H03F3/45748 , H03F3/087 , H03F3/45291 , H03F3/45896 , H03F3/45973 , H03F2200/447
摘要： PROBLEM TO BE SOLVED: To provide a circuit and method for compensating for a variation in an offset voltage caused by a temperature variation of a circuit (PDIC) for converting light to be used for high-speed and high-capacitance storage technologies equivalent to a magnetic disk into an electric signal.
SOLUTION: In an offset voltage compensation circuit, characteristics of a BJT (bipolar junction transistor) used for an output circuit of a PDIC are varied with variation in surrounding temperature. A second BJT having the same temperature characteristics as the above BJT is prepared to configure a bypass circuit of a current flowing through a current mirror to an output BJT element, thereby compensating for the variation in the offset voltage caused by the temperature variation.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种用于补偿由用于转换用于高速和高电容存储技术的光的电路（PDIC）的温度变化引起的偏移电压变化的电路和方法相当于将磁盘变成电信号。解决方案：在偏移电压补偿电路中，用于PDIC的输出电路的BJT（双极结型晶体管）的特性随周围温度的变化而变化。准备具有与上述BJT相同的温度特性的第二BJT，以将流过电流镜的电流的旁路电路配置到输出BJT元件，从而补偿由温度变化引起的偏移电压的变化。版权所有（C）2006，JPO＆NCIPI

3. 发明专利

JP2007234577A Drive device of color led backlight 有权
标题翻译：彩色LED背光驱动装置
公开(公告)号：JP2007234577A
公开(公告)日：2007-09-13
申请号：JP2006323311
申请日：2006-11-30
申请人： Samsung Electro Mech Co Ltd , 三星電機株式会社
发明人： HA CHANG WOO , MIN BYOUNG OWN , GONG JUNG CHUL
IPC分类号： H05B37/02 , G02F1/133 , G02F1/13357
CPC分类号： H05B33/0854 , H05B33/0827 , H05B33/0851
摘要： PROBLEM TO BE SOLVED: To provide a drive device of a color LED backlight capable of controlling an optical output of an LED regardless of a variation in an ambient temperature and easily changing characteristic data when replacing the LED. SOLUTION: The drive device includes: a voltage detecting unit for detecting a voltage applied to the color LED backlight; a temperature detecting unit for detecting a temperature of the color LED backlight; a control unit for controlling driving currents which respectively flow into color LED arrays of the color LED backlight according to the temperature detected by the temperature detecting unit and the voltage detected by the voltage detecting unit, by referring to previously set driving current values; and a multi-channel current source for adjusting amounts of the driving currents which respectively flow through the color LED arrays of the color LED backlight, in accordance with the driving current control by the control unit. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供能够控制LED的光输出的彩色LED背光源的驱动装置，而不管环境温度的变化，并且在更换LED时容易改变特征数据。解决方案：驱动装置包括：电压检测单元，用于检测施加到彩色LED背光的电压; 温度检测单元，用于检测彩色LED背光的温度; 控制单元，通过参照先前设定的驱动电流值来控制根据由温度检测单元检测到的温度和电压检测单元检测到的电压分别流入彩色LED背光的彩色LED阵列的驱动电流; 以及多通道电流源，用于根据控制单元的驱动电流控制来调节分别流过彩色LED背光的彩色LED阵列的驱动电流的量。版权所有（C）2007，JPO＆INPIT

4. 发明专利

JP2008010425A Voltage feedback circuit for lcd backlight inverter 审中-公开
标题翻译： LCD背光逆变器电压反馈电路
公开(公告)号：JP2008010425A
公开(公告)日：2008-01-17
申请号：JP2007169507
申请日：2007-06-27
申请人： Samsung Electro Mech Co Ltd , 三星電機株式会社
发明人： SHIN SANG CHEOL , MIN BYOUNG OWN , GONG JUNG CHUL , JANG YOU JIN
IPC分类号： H05B41/24 , G02F1/13357
CPC分类号： H05B41/282 , G09G3/3406 , H05B41/2822 , H05B41/2855 , Y02B20/183
摘要： PROBLEM TO BE SOLVED: To provide a voltage feedback circuit for an LCD backlight inverter capable of correctly detecting a lamp drive voltage in open condition regardless of the number of lamp open wires. SOLUTION: This voltage feedback circuit applied to an LCD backlight inverter including a plurality of pairs of first and second transformers driven in phases reverse to each other is provided with: a first voltage detection part 110 detecting a first drive voltage from a first transformer; a second voltage detection part 120 detecting a second drive voltage from a second transformer; a peak detection part 130 detecting a peak of a detection voltage VD detected at a detection connection node ND to which the output end of the first voltage detection part and that of the second voltage detection part are connected; a voltage regulation part 140 regulating the peak voltage from the peak detection part to a preset voltage ratio; and an error detection part 150 detecting the difference between the detection voltage from the voltage regulation part and a preset reference voltage. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于LCD背光逆变器的电压反馈电路，能够在打开状态下正确地检测灯驱动电压，而不管灯开路数量如何。
解决方案：该电压反馈电路被应用于包括彼此相反驱动的多对第一和第二变压器的LCD背光逆变器，第一电压检测部分110检测来自第一变压器; 第二电压检测部分120，检测来自第二变压器的第二驱动电压; 峰值检测部分130，检测在第一电压检测部分和第二电压检测部分的输出端连接到的检测连接节点ND处检测到的检测电压VD的峰值; 将峰值电压从峰值检测部分调节到预设电压比的电压调整部分140; 以及检测来自电压调节部分的检测电压与预设参考电压之间的差异的误差检测部分150。版权所有（C）2008，JPO＆INPIT

5. 发明专利

JP2007005285A Driving apparatus for cold-cathode fluorescent lamp 审中-公开
标题翻译：用于冷阴极荧光灯的驱动装置
公开(公告)号：JP2007005285A
公开(公告)日：2007-01-11
申请号：JP2006083808
申请日：2006-03-24
申请人： Samsung Electro Mech Co Ltd , 三星電機株式会社
发明人： GONG JUNG CHUL , MIN BYOUNG OWN
IPC分类号： H05B41/24 , H02M7/48
CPC分类号： H05B41/282 , Y02B20/183 , Y10S315/05
摘要： PROBLEM TO BE SOLVED: To provide a driving apparatus for a cold-cathode fluorescent lamp easily providing a high output required to start the lamp. SOLUTION: In this driving apparatus for a cold-cathode fluorescent lamp, by increasing or decreasing a tuning capacitor current of an oscillator 31 providing a reference signal in accordance with a lamp-on condition or a lamp-off condition of the lamp 30, a switching speed of an inverter becomes faster in the lamp-off condition than in the lamp-on condition, thereby satisfying the voltage required to start the lamp. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种容易提供启动灯所需的高输出的用于冷阴极荧光灯的驱动装置。解决方案：在这种冷阴极荧光灯用驱动装置中，通过增加或减少振荡器31的调谐电容器电流，该振荡器31根据点灯状态或灯熄灭状态提供参考信号如图30所示，在灯灭状态下，逆变器的切换速度变得比灯管接通状态变快，从而满足启动灯所需的电压。版权所有（C）2007，JPO＆INPIT

6. 发明专利

JP2006211629A Pdic having multiple gain states 审中-公开
标题翻译： PDIC有多个增益状态
公开(公告)号：JP2006211629A
公开(公告)日：2006-08-10
申请号：JP2005103427
申请日：2005-03-31
申请人： Samsung Electro Mech Co Ltd , 三星電機株式会社
发明人： KIM SANG SUK , KWON KYOUNG SOO , GONG JUNG CHUL , HWANG HYEON-SEOK
IPC分类号： H03F3/08 , H03G3/12 , H03K17/00 , H03K17/693
CPC分类号： H03F3/211 , G11B7/13 , H03F3/087 , H03F3/45179
摘要： PROBLEM TO BE SOLVED: To provide a multi-gain PDIC (PhotoDiode Integrated Circuit) capable of realizing a number of gain states using one output stage circuit.
SOLUTION: The multi-gain PDIC includes a current-voltage conversion unit which converts a current signal generated in accordance with an inputted optical signal into a voltage signal and outputs the voltage signal, an input amplification stage connected to the current-voltage conversion unit by a first input terminal to receive and amplify the voltage signal, a reference resistance unit connected to a second input terminal of the input amplification stage, an output amplification stage connected to an output terminal of the input amplification stage, a feedback resistance unit including a plurality of resistance elements connected in parallel between the second input terminal of the input amplification stage circuit and the output terminal of the output amplification stage circuit and including resistance values different from each other, and a switching unit which selectively connects any one of the plurality of resistance elements of the feedback resistance unit.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供能够使用一个输出级电路实现多个增益状态的多增益PDIC（光电二极管集成电路）。解决方案：多增益PDIC包括电流 - 电压转换单元，其将根据输入的光信号生成的电流信号转换为电压信号并输出电压信号，连接到电流电压的输入放大级转换单元，通过第一输入端子接收和放大电压信号;连接到输入放大级的第二输入端的参考电阻单元，连接到输入放大级的输出端的输出放大级，反馈电阻单元包括并联连接在输入放大级电路的第二输入端子和输出放大级电路的输出端子之间的多个电阻元件，并且包括彼此不同的电阻值;以及切换单元，其选择性地连接反馈电阻单元的多个电阻元件。版权所有（C）2006，JPO＆NCIPI

7. 发明专利

JP2009124125A Apparatus for driving light emitting element 有权
标题翻译：用于驱动发光元件的装置
公开(公告)号：JP2009124125A
公开(公告)日：2009-06-04
申请号：JP2008270856
申请日：2008-10-21
申请人： Samsung Electro Mech Co Ltd , 三星電機株式会社
发明人： SHIN SANG CHEOL , MIN BYOUNG OWN , GONG JUNG CHUL , JANG YOU JIN , KONG SEUNG KON
IPC分类号： H01L33/00
CPC分类号： H05B33/0818
摘要： PROBLEM TO BE SOLVED: To provide an apparatus for driving a light emitting element which can limit heat generation in a constant current circuit. SOLUTION: This apparatus includes: a power part 100 supplying driving power; a light emitting element array 200 including a plurality of light emitting elements connected in series between an anode end connected to the power part 100 and a cathode end; a constant-current circuit part 300 keeping a current flowing to the light emitting element array 200 constant in accordance with a first tuning voltage; and a voltage limiting circuit part 400 connected between the cathode end of the light emitting element array 200 and the constant-current circuit part 300, and dividing a partial voltage out of a total voltage applied between the cathode end of the light emitting element array 200 and a ground according to a second tuning voltage to limit a voltage applied to the constant-current circuit part 300 below a preset voltage. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于驱动可限制恒流电路中的发热的发光元件的装置。解决方案：该装置包括：提供驱动力的功率部分100; 发光元件阵列200，其包括串联连接到电源部分100的阳极端和阴极端之间的多个发光元件; 根据第一调谐电压保持流向发光元件阵列200的电流恒定的恒流电路部件300; 以及连接在发光元件阵列200的阴极端和恒流电路部300之间的电压限制电路部400，并且将施加在发光元件阵列200的阴极端之间的总电压除成分压以及根据第二调谐电压的接地，以将施加到恒流电路部件300的电压限制在预设电压以下。版权所有（C）2009，JPO＆INPIT

8. 发明专利

JP2007294448A Lcd back-light driving circuit 有权
标题翻译：液晶背光驱动电路
公开(公告)号：JP2007294448A
公开(公告)日：2007-11-08
申请号：JP2007099117
申请日：2007-04-05
申请人： Samsung Electro Mech Co Ltd , 三星電機株式会社
发明人： GONG JUNG CHUL , MIN BYOUNG OWN , SHIN SANG CHEOL , HA CHANG WOO
IPC分类号： H05B41/24 , G02F1/133 , G09G3/34 , G09G3/36 , H02M3/00 , H04N5/66 , H05B41/392
CPC分类号： G09G3/3406 , G09G2320/0247
摘要： PROBLEM TO BE SOLVED: To provide an LCD backlight driving circuit having a synchronous function between PWM control ICs in which a plurality of PWM control ICs can be operated stably by realizing synchronization of phases of respective driving signals of a plurality of PWM control ICs by respective application to a plurality of PWM control ICs of the LCD backlight. SOLUTION: This includes a basic wave forming part 100 in which triangle wave signals and rectangular wave signals are formed according to a time constant of the time constant circuit 1 including the time constant capacitor, a PWM comparison part 200 in which a difference signal between a feedback voltage and a prescribed reference voltage is compared with the triangular signal, and the PWM signal is formed according to its relative magnitude, a signal synchronizing part 300 in which a connection node with the time constant capacitor of the basic wave forming part 100 and the rectangular signal output edge are set depending on the power source level of the LCD backlight, and a drive signal forming part 400 in which the drive signals are formed depending on the rectangular wave signals and the PWM signals. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：解决的问题：提供一种在PWM控制IC之间具有同步功能的LCD背光驱动电路，其中可以通过实现多个PWM控制的各个驱动信号的相位的同步来稳定地操作多个PWM控制IC IC分别应用于LCD背光的多个PWM控制IC。解决方案：这包括基本波形成部分100，其中根据包括时间常数电容器的时间常数电路1的时间常数形成三角波信号和矩形波信号; PWM比较部分200，其中差分将反馈电压和规定的参考电压之间的信号与三角形信号进行比较，并根据其相对幅度形成PWM信号;信号同步部分300，其中与基波形成部分的时间常数电容器的连接节点 100和矩形信号输出边缘根据LCD背光源的电源电平和驱动信号形成部分400设置，其中根据矩形波信号和PWM信号形成驱动信号。版权所有（C）2008，JPO＆INPIT

9. 发明专利

JP2007043691A Voltage-controlled oscillator having duty correction 审中-公开
标题翻译：具有负载校正的电压控制振荡器
公开(公告)号：JP2007043691A
公开(公告)日：2007-02-15
申请号：JP2006197330
申请日：2006-07-19
申请人： Samsung Electro Mech Co Ltd , 三星電機株式会社
发明人： SHIN SANG CHEOL , MIN BYOUNG OWN , GONG JUNG CHUL , HA CHANG WOO
IPC分类号： H03K5/151 , H03K3/0231 , H03K3/354 , H03L7/099
CPC分类号： H03K5/1565 , H03K3/0322 , H03K5/133 , H03K2005/00208 , H03L7/0995
摘要： PROBLEM TO BE SOLVED: To provide a voltage-controlled oscillator (VCO) capable of more stably generating a clock of a 50% duty from a simple circuit and have superior duty correction function in noise characteristics. SOLUTION: A voltage-controlled oscillator (VCO) with a duty correction function includes a VCO unit 100 and a duty correction unit 200. The VCO unit 100 generates first and second signals SV+, SV- having a 180 degrees phase difference from each other with the oscillation frequency, according to the control voltage for outputting the first and second signals through first and second oscillation output terminals VO+, VO-. The duty correction unit 200 generates a clock signal SCLK of 50% duty by the first and second signals SV+, SV- that have passed through the first and second oscillation terminals VO+, VO-. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够从简单电路更稳定地产生50％占空比的时钟的压控振荡器（VCO），并且在噪声特性中具有优异的占空比校正功能。解决方案：具有占空比校正功能的压控振荡器（VCO）包括VCO单元100和占空比校正单元200.CV单元100产生具有180度相位差的第一和第二信号SV +，SV- 根据用于通过第一和第二振荡输出端VO +，VO-输出第一和第二信号的控制电压，彼此具有振荡频率。占空比校正单元200通过第一和第二振荡端子VO +，VO-的第一和第二信号SV +，SV-产生50％占空比的时钟信号SCLK。版权所有（C）2007，JPO＆INPIT

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