公开(公告)号：KR1020130042425A

公开(公告)日：2013-04-26

申请号：KR1020120023819

申请日：2012-03-08

Applicant: 삼성전자주식회사

Inventor： 호리노,마모루 ,  후지무라,요시오 ,  이근정

IPC: H05B37/02 ,  H02M3/00

CPC classification number: H05B33/0815 ,  H02M3/00 ,  H05B33/083

Abstract: PURPOSE: A power supply device and a driving device are provided to reduce power consumption by performing a driving operation with different currents using a switch and a resistor. CONSTITUTION: A comparator(31) outputs a control signal out of a preset current range. A switch controller(32) receives the control signal. The switch controller outputs a signal to change the number of optical sources driven in an optical source unit. A switch(33) is connected to the optical source unit and is switched on or off according to the signal outputted from the switch controller. [Reference numerals] (32) Switch controller; (AA) Voltage adjuster;

Abstract translation: 目的：提供电源装置和驱动装置，以通过使用开关和电阻器以不同电流进行驱动操作来降低功耗。 构成：比较器（31）将控制信号输出出预设的电流范围。 开关控制器（32）接收控制信号。 开关控制器输出信号以改变在光源单元中驱动的光源的数量。 开关（33）连接到光源单元，并根据从开关控制器输出的信号接通或断开。 （附图标记）（32）开关控制器; （AA）电压调节器;

公开(公告)号：KR1020110028149A

公开(公告)日：2011-03-17

申请号：KR1020090086105

申请日：2009-09-11

Applicant: 삼성전자주식회사

Inventor： 호리노,마모루 ,  지용근

IPC: H05B37/02

CPC classification number: H05B33/0818 ,  H05B37/0281

Abstract: PURPOSE: A lamp driving circuit is provided to supply the power voltage supplied by the switching control IC by using the switch. CONSTITUTION: A rectifier circuit(12) rectifies the commercial AC power supply voltage. A switching control integrated circuit(11) is inputted with the power supply voltage outputted from the rectifier circuit. A switch(13) opens or closes between the output terminal of the rectifier circuit and the input terminal of the switching control IC.

Abstract translation: 目的：提供灯驱动电路以通过使用开关来提供由开关控制IC提供的电源电压。 构成：整流电路（12）整流商用交流电源电压。 切换控制集成电路（11）输入从整流电路输出的电源电压。 开关（13）在整流电路的输出端子和开关控制IC的输入端之间断开或闭合。

公开(公告)号：KR101293584B1

公开(公告)日：2013-08-13

申请号：KR1020120023819

申请日：2012-03-08

Applicant: 삼성전자주식회사

Inventor： 호리노,마모루 ,  후지무라,요시오 ,  이근정

IPC: H05B37/02 ,  H02M3/00

Abstract: 본 발명은 전원공급장치 및 구동 장치에 관한 것으로,
본 발명의 일 측면에 따른 전원공급장치는, 광원부에 직류 전원을 공급하며, 상기 광원부에 흐르는 전류를 검출하여 기 설정된 전류 범위를 벗어나는 경우 상기 광원부에서 구동하는 광원의 수가 변경되도록 제어할 수 있다.

公开(公告)号：KR101322939B1

公开(公告)日：2013-10-28

申请号：KR1020120023818

申请日：2012-03-08

Applicant: 삼성전자주식회사

Inventor： 호리노,마모루 ,  후지무라,요시오 ,  이근정

IPC: H05B37/02

Abstract: 본 발명은 발광장치 및 이를 이용한 LED 구동방법에 관한 것으로,
본 발명의 일 측면에 따른 발광장치는, 직류 전원에 의해 구동되며 순차적으로 직렬 연결된 제1 내지 제n LED 그룹을 포함하는 광원부와, 상기 광원부의 출력단에 흐르는 전류를 검출하여 기 설정된 전류 범위를 벗어나는 경우 상기 광원부에서 구동하는 LED 그룹의 수를 변경시키는 구동 제어부를 포함할 수 있다.

公开(公告)号：KR1020130042510A

公开(公告)日：2013-04-26

申请号：KR1020130022469

申请日：2013-02-28

Applicant: 삼성전자주식회사

Inventor： 호리노,마모루 ,  후지무라,요시오 ,  이근정

IPC: H05B37/02 ,  H02M3/00

CPC classification number: H05B33/0815 ,  H02M3/158 ,  H05B33/0827 ,  H05B33/083 ,  Y02B20/341 ,  Y02B20/347

Abstract: PURPOSE: A power supply unit and a driving device are provided to prevent a power loss by detecting a size of a driving current flowing in an optical source unit and automatically controlling each switch. CONSTITUTION: A comparator(31) detects a current flowing in an optical source unit and outputs a control signal out of a preset current range. A switch controller(32) outputs a signal to change the number of optical sources driven in the optical source unit. A switch(33) is connected to the optical source unit and is switched on or off by the signal outputted from the switch controller. [Reference numerals] (32) Switch controller; (AA) Voltage regulator;

Abstract translation: 目的：提供电源单元和驱动装置，通过检测在光源单元中流动的驱动电流的尺寸并自动控制每个开关来防止功率损耗。 构成：比较器（31）检测在光源单元中流动的电流，并将控制信号输出预设的电流范围。 开关控制器（32）输出信号以改变在光源单元中驱动的光源的数量。 开关（33）连接到光源单元，并通过从开关控制器输出的信号接通或断开。 （附图标记）（32）开关控制器; （AA）电压调节器;

公开(公告)号：KR1020130042426A

公开(公告)日：2013-04-26

申请号：KR1020120033493

申请日：2012-03-30

Applicant: 삼성전자주식회사

Inventor： 호리노,마모루 ,  후지무라,요시오 ,  이근정

IPC: H05B37/02

CPC classification number: H05B33/0815 ,  H05B33/083 ,  Y02B20/341 ,  Y02B20/347

Abstract: PURPOSE: A power supply unit and a driving device are provided to prevent a flickering phenomenon by connecting a condenser to both sides of an LED group. CONSTITUTION: A comparator(31) outputs a control signal out of a preset current range. A switch controller(32) outputs a signal to change the number of optical sources driven in an optical source unit. A switch(33) is connected to the optical source and is switched on or off by the signal outputted from the switch controller. A condenser(40) is connected in parallel to a part of the optical source driven in the optical source unit. [Reference numerals] (32) Switch controller; (AA) Voltage adjuster;

Abstract translation: 目的：提供电源单元和驱动装置，以通过将冷凝器连接到LED组的两侧来防止闪烁现象。 构成：比较器（31）将控制信号输出出预设的电流范围。 开关控制器（32）输出信号以改变在光源单元中驱动的光源的数量。 开关（33）连接到光源，并通过从开关控制器输出的信号接通或断开。 冷凝器（40）与在光源单元中驱动的光源的一部分并联连接。 （附图标记）（32）开关控制器; （AA）电压调节器;

公开(公告)号：KR1020130042424A

公开(公告)日：2013-04-26

申请号：KR1020120023818

申请日：2012-03-08

Applicant: 삼성전자주식회사

Inventor： 호리노,마모루 ,  후지무라,요시오 ,  이근정

IPC: H05B37/02

CPC classification number: H05B33/0815 ,  H02M3/00 ,  H05B33/083

Abstract: PURPOSE: A light emitting device and an LED driving method using the same are provided to improve driving efficiency by successively turning on first to n-th LED groups. CONSTITUTION: An optical source(20) includes first to n-th LED groups(G1-Gn). The first to n-th LED groups are driven with DC power and are successively connected in series. A driving control unit(30) detects a current flowing in an output terminal of the optical source. The driving control unit changes the number of the LED groups driven in the optical source. [Reference numerals] (10) Rectifier; (31) Comparison means; (32) Switch control means; (33) Switching means;

Abstract translation: 目的：提供一种使用其的发光装置和LED驱动方法，以通过依次接通第一至第n LED组来提高驱动效率。 构成：光源（20）包括第一至第n LED组（G1-Gn）。 第一至第n LED组由直流电驱动，并串联连接。 驱动控制单元（30）检测在光源的输出端子中流动的电流。 驱动控制单元改变在光源中驱动的LED组的数量。 （附图标记）（10）整流器 （31）比较手段; （32）开关控制装置; （33）切换装置;

公开(公告)号：KR1020120056162A

公开(公告)日：2012-06-01

申请号：KR1020100117749

申请日：2010-11-24

Applicant: 삼성전자주식회사

Inventor： 호리노,마모루

IPC: H05B37/02

CPC classification number: H02M1/4225 ,  H05B33/0818 ,  Y02B20/346 ,  Y02B70/126 ,  H05B33/083 ,  H02M3/1582

Abstract: PURPOSE: An LED driving device is provided to improve power factor through a simple circuit of non-insulating type and to diminish the number of components which are used. CONSTITUTION: A light-emitting unit(40) comprises one or more LEDs. A rectifier(10) rectifies an AC voltage applied from an external power source. A power supply unit(30) supplies a drive power source to the light-emitting unit. The power supply unit comprises an inductor(L) connected with an output terminal of the light-emitting unit. A switch control unit(20) creates a reference voltage which is proportional to the AC voltage outputted from the rectifier. A switch(Q1) is connected with the switch control unit and controls the drive power source inputted in the light emitting unit.

Abstract translation: 目的：提供LED驱动装置，以通过简单的非绝缘电路提高功率因数，并减少使用的部件数量。 构成：发光单元（40）包括一个或多个LED。 整流器（10）对从外部电源施加的交流电压进行整流。 电源单元（30）将驱动电源提供给发光单元。 电源单元包括与发光单元的输出端连接的电感器（L）。 开关控制单元（20）产生与从整流器输出的交流电压成比例的参考电压。 开关（Q1）与开关控制单元连接，并控制在发光单元中输入的驱动电源。