公开(公告)号：KR1020100126931A

公开(公告)日：2010-12-03

申请号：KR1020090045367

申请日：2009-05-25

Applicant: 삼성전자주식회사

Inventor： 강정일 ,  안준석

IPC: F16B5/02 ,  F16B35/06

CPC classification number: F16B5/02 ,  F16B35/06 ,  F16B37/02 ,  F16B37/041

Abstract: PURPOSE: A screw fastening unit is provided to prevent interference with other components and facilitate the formation of a slim electronic device by preventing the projection of a screw thread part when components are joined. CONSTITUTION: A screw fastening unit comprises a screw member, and a member to be fastened(200). The screw member comprises a screw head part, and a screw thread part. In the screw head part, a support part which supports a first member is projected to the fastening direction. The screw thread part passes through the first through-hole formed on the first member. The member to be fastened passes through the first through-hole. The support part is a ring-shaped rib member.

Abstract translation: 目的：提供螺钉固定单元，以防止与其他部件的干扰，并且通过在组件接合时防止螺纹部件突出，便于形成细长的电子设备。 构成：螺钉紧固单元包括螺钉构件和待紧固构件（200）。 螺杆构件包括螺钉头部和螺纹部。 在螺钉头部中，支撑第一构件的支撑部件向紧固方向突出。 螺纹部分穿过形成在第一构件上的第一通孔。 要紧固的构件通过第一个通孔。 支撑部是环状肋部件。

公开(公告)号：KR1020080089836A

公开(公告)日：2008-10-08

申请号：KR1020070032504

申请日：2007-04-02

Applicant: 삼성전자주식회사

Inventor： 강정일 ,  이상훈 ,  박영준 ,  이경근 ,  김수군

IPC: H05B37/02 ,  H05B41/38 ,  H05B37/00

CPC classification number: H05B33/0824 ,  F21Y2101/00 ,  H05B33/0851

Abstract: An LED device and a method for controlling the same are provided to minimize irregular error generation in output current caused by offset voltages of an operation amplifier or a comparator. An LED device(100) includes a controller(150), a compensator(120), a driving unit(110), and a storage(130). The controller searches gain corresponding to target current from a look-up table of the storage and outputs a current command including the gain. The compensator varies and outputs the current detected from a circuit according to the gain included in the current command. The driving unit controls a light source with data on the target current transmitted from the controller. The storage contains the look-up table including the gain for the target current.

Abstract translation: 提供一种LED器件及其控制方法，以使由运算放大器或比较器的偏移电压引起的输出电流的不规则误差产生最小化。 LED装置（100）包括控制器（150），补偿器（120），驱动单元（110）和存储器（130）。 控制器从存储器的查找表中搜索与目标电流相对应的增益，并输出包括增益的电流指令。 补偿器根据当前命令中包含的增益，改变并输出从电路检测到的电流。 驱动单元利用从控制器发送的目标电流的数据来控制光源。 存储包含查找表，包括目标电流的增益。

公开(公告)号：KR1020080079046A

公开(公告)日：2008-08-29

申请号：KR1020070019075

申请日：2007-02-26

Applicant: 삼성전자주식회사

Inventor： 강정일 ,  이상훈 ,  김수군

IPC: G02F1/133

CPC classification number: H05B33/0848 ,  G09G2330/028 ,  H05B33/0815 ,  Y02B20/347

Abstract: A back light unit, a liquid crystal display with the same, and a control method thereof are provided to output a stable current with respect to a variable power source. A liquid crystal display includes a liquid crystal panel(100), a point light source(200), and a light source driver(300). The point light source provides light to the liquid crystal panel. The light source driver includes a power source input terminal(310), a power supply unit(330), and a reference current controller(320). Power is input to the power source input terminal. The power supply unit supplies power to the point light source according to a predetermined current. The reference current controller outputs the reference current to the power supply unit.

Abstract translation: 提供背光单元，具有该背光单元的液晶显示器及其控制方法，以输出相对于可变电源的稳定电流。 液晶显示器包括液晶面板（100），点光源（200）和光源驱动器（300）。 点光源向液晶面板提供光。 光源驱动器包括电源输入端子（310），电源单元（330）和参考电流控制器（320）。 电源输入到电源输入端。 电源单元根据预定电流向点光源供电。 参考电流控制器将参考电流输出到电源单元。

公开(公告)号：KR100758987B1

公开(公告)日：2007-09-17

申请号：KR1020060093320

申请日：2006-09-26

Applicant: 삼성전자주식회사

Inventor： 강정일 ,  이상훈 ,  이경근 ,  성준호

IPC: H01L33/02

CPC classification number: H05B33/0854 ,  H05B33/0818 ,  Y02B20/341

Abstract: An LED(Light Emitting Diode) device and its controlling method are provided to prevent the degradation of image and to prevent the generation of errors in color control by correcting the variation of wavelength in a light source due to the change of temperature using the combination of a PWM(Pulse Width Modulation) dimming method and an analog dimming method. An LED device includes a current-temperature conversion portion and a light source driving portion. The current-temperature conversion portion(250) is used for generating a current order value capable of correcting the variation of wavelength in an output light due to the change of temperature of a light source(230) on the basis of the temperature information of the light source. The light source driving unit is used for controlling the driving current of the light source according to a PWM signal, wherein the PWM signal is corrected on the basis of the current order value.

Abstract translation: 提供LED（发光二极管）装置及其控制方法，以防止图像的劣化，并且通过使用以下组合来校正由于温度变化导致的光源中的波长的变化来防止颜色控制中的错误的产生 PWM（脉宽调制）调光方式和模拟调光方式。 LED装置包括电流温度转换部和光源驱动部。 当前温度转换部分（250）用于产生能够根据光源（230）的温度变化而校正由于光源（230）的温度变化而导致的输出光波长变化的当前阶数值， 光源。 光源驱动单元用于根据PWM信号控制光源的驱动电流，其中基于当前顺序值校正PWM信号。

公开(公告)号：KR1020070066561A

公开(公告)日：2007-06-27

申请号：KR1020050127904

申请日：2005-12-22

Applicant: 삼성전자주식회사

Inventor： 황성호 ,  강정일 ,  오필용 ,  조진현 ,  이상훈

IPC: H01F27/34 ,  H01F27/33 ,  H01F27/24

CPC classification number: H01F27/266 ,  H01F17/062 ,  H01F27/027 ,  H01F27/33 ,  H01F2027/065

Abstract: An inductor, a circuit board and an electronic device using the same are provided to minimize vibration and noise from being generated by electromagnetic force induced in a coil of the inductor according to current variation. An inductor(10) has a loop-shaped core(12) with a hollow portion(13) and a coil(14) wound around the core. A support member has a support surface(22) supporting the core and a damping hole(24) formed in the support member corresponding to the hollow portion of the core. The core is formed in a circular shape, and the damping hole is formed in a concentric circular shape with the core. A first damping member is interposed between the core and the support member.

Abstract translation: 提供一种电感器，电路板和使用该电感器的电子装置，以使根据电流变化在电感线圈中感应的电磁力产生的振动和噪声最小化。 电感器（10）具有环形芯（12），其具有中空部分（13）和围绕芯部缠绕的线圈（14）。 支撑构件具有支撑芯的支撑表面（22）和形成在对应于芯的中空部分的支撑构件中的阻尼孔（24）。 芯部形成为圆形，并且阻尼孔与芯部形成为同心圆形。 第一阻尼构件插入在芯和支撑构件之间。

公开(公告)号：KR1020070029948A

公开(公告)日：2007-03-15

申请号：KR1020050084611

申请日：2005-09-12

Applicant: 삼성전자주식회사

Inventor： 이상훈 ,  강정일 ,  박영준 ,  이경근

IPC: G09G3/36 ,  G02F1/133 ,  G09G3/32

CPC classification number: H05B33/0815 ,  H02M3/1584 ,  Y02B20/347

Abstract: A display device and a control method thereof are provided to enhance display characteristics and image quality of a display device by reducing a current ripple component in a driving current. A display device includes an optical source, plural voltage sources(30,40,50,60), and a controller(100). The voltage sources supply predetermined source voltages to the optical source. The controller controls the voltage sources, so that currents of the respective source voltages, which are supplied from the voltage sources, have predetermined phase differences from each other. The voltage sources include switching units(33,43,53,63,35,45,55,65) and PWM(Pulse Width Modulation) generators(31,41,51,61). The switching unit supplies the current from a predetermined constant current source to the optical source. The PWM generator generates a PWM signal for turning on/off the switching unit.

Abstract translation: 提供了显示装置及其控制方法，以通过减小驱动电流中的电流纹波分量来增强显示装置的显示特性和图像质量。 显示装置包括光源，多个电压源（30,40,50,60）和控制器（100）。 电压源为光源提供预定的源极电压。 控制器控制电压源，使得从电压源提供的各个源电压的电流彼此具有预定的相位差。 电压源包括开关单元（33,43,53,63,35,45,55,65）和PWM（脉宽调制）发生器（31,41,51,61）。 开关单元将来自预定恒定电流源的电流提供给光源。 PWM发生器产生用于打开/关闭开关单元的PWM信号。

公开(公告)号：KR1020070025034A

公开(公告)日：2007-03-08

申请号：KR1020050080764

申请日：2005-08-31

Applicant: 삼성전자주식회사

Inventor： 성기범 ,  이상훈 ,  조태희 ,  강정일 ,  김수군

IPC: G02F1/133

CPC classification number: G09G3/342 ,  G09G2310/024

Abstract: A back light unit and a display device including the back light unit are provided to divide a light source into a plurality of regions and independently drive the plurality of regions with a simple configuration. A back light unit includes a light source(440), a light source driver group(430), and a light source controller. The light source is divided into a plurality of split regions(445) that are independently operated. The light source driver group supplies power to the light source and includes multiple drivers connected to at least two split regions of the light source. The light source controller controls the light source driver group to selectively supply power to the split regions connected to the multiple drivers. The light source includes a light-emitting diode. The plurality of split regions are arranged in parallel. The light source controller controls the light source driver group to provide power to the split regions sequentially and repeatedly.

Abstract translation: 提供背光单元和包括背光单元的显示装置，以将光源分割成多个区域，并以简单的结构独立地驱动多个区域。 背光单元包括光源（440），光源驱动器组（430）和光源控制器。 光源被分成独立操作的多个分割区域（445）。 光源驱动器组向光源供电，并且包括连接到光源的至少两个分割区域的多个驱动器。 光源控制器控制光源驱动器组以选择性地向连接到多个驱动器的分割区域供电。 光源包括发光二极管。 多个分割区域平行布置。 光源控制器控制光源驱动器组以顺序和重复地向分割区域供电。

公开(公告)号：KR100653062B1

公开(公告)日：2006-12-01

申请号：KR1020050059378

申请日：2005-07-01

Applicant: 삼성전자주식회사

Inventor： 이상훈 ,  강정일 ,  박영준 ,  이경근

IPC: G09G3/32 ,  G02F1/133 ,  G09G3/20

Abstract: A display device is provided to improve the current response speed in turning on or off a light source by using a proper driving current path. A display device having a light source(20) includes a current generating unit(10) for outputting a predetermined driving current; a first path(2a) for supplying the driving current output from the current generating unit to the light source; a second path(2b) for snatching the driving current supplied to the light source; a switching unit(30) for supplying the driving current output from the current generating unit to one of the first and second paths; and a control unit(40) for controlling the switching unit to supply the driving current output from the current generating unit to the first path while turning on the light source and to the second path while turning off the light source.

Abstract translation: 提供显示装置以通过使用适当的驱动电流路径来改善在打开或关闭光源时的电流响应速度。 一种具有光源（20）的显示装置，包括：电流产生单元（10），用于输出预定的驱动电流; 第一路径（2a），用于将从电流产生单元输出的驱动电流提供给光源; 第二路径（2b），用于抢夺提供给光源的驱动电流; 开关单元（30），用于将从电流生成单元输出的驱动电流提供给第一和第二路径之一; 以及控制单元（40），用于控制开关单元以在打开光源的同时将从电流产生单元输出的驱动电流提供到第一路径，同时在关闭光源的同时将第二路径提供到第二路径。

公开(公告)号：KR1020060091504A

公开(公告)日：2006-08-21

申请号：KR1020050012410

申请日：2005-02-15

Applicant: 삼성전자주식회사

Inventor： 김남인 ,  양준현 ,  강정일

IPC: G09G3/32 ,  G02F1/133 ,  G09G3/36

CPC classification number: H05B33/0812 ,  H05B33/0815 ,  H05B33/0818 ,  H05B33/0851 ,  Y02B20/343

Abstract: 본 발명은 LED(light emitting diode)를 구동하는 LED구동장치에 관한 것으로서, 상기 LED구동장치는 상기 LED에 흐르는 전류가 소정의 목표전류치에 이르도록 선형모드전류를 증감시켜 상기 LED에 출력하는 선형모드구동부; 및 상기 선형모드전류가 소정의 기준전류치를 초과하는지 여부에 따라 스위치모드전류를 증감시켜 상기 LED에 출력하는 스위치모드구동부를 포함한다. 이에 의하여, 전력효율 및 광효율이 높고 왜곡이 없는 LED구동장치를 제공할 수 있다.
LED, 구동, 선형, 스위치, 효율

Abstract translation: 本发明涉及一种LED驱动器，用于驱动一个LED（发光二极管），所述LED驱动装置是一种线性模式以增加或减小所述线性模式下的电流为流过电流的LED，以达到预定的目标电流值输出到LED 驾驶单位; 以及开关模式驱动器，用于根据线性模式电流是否超过预定的参考电流值来增大或减小开关模式电流，并将增大或减小的开关模式电流输出到LED。 由此，可以提供具有高功率效率和光效率并且没有失真的LED驱动装置。

公开(公告)号：KR1020050100112A

公开(公告)日：2005-10-18

申请号：KR1020040025292

申请日：2004-04-13

Applicant: 삼성전자주식회사

Inventor： 김영선 ,  민종술 ,  이상훈 ,  강정일 ,  정병화

IPC: H04N17/00

CPC classification number: H04N17/045 ,  G01R31/3606 ,  H04N5/63 ,  H04N21/4882

Abstract: 영상재생장치의 자가진단시스템 및 방법이 제공된다. 본 영상재생장치에 마련되는 자가진단시스템은, 영상재생장치의 구동전원을 공급하는 전원부; 영상재생장치의 구동펄스를 생성하는 구동펄스 생성부; 전원부에서 출력되는 전압값 및 전류값을 검출하고, 전원부의 온도값을 검출하는 검출부; 및 검출부의 출력값에 기초하여 소정의 판단과 연산을 수행하고, 수행된 판단결과와 연산결과에 따라 전원부의 전원공급동작 및 구동펄스 생성부의 구동펄스 생성동작을 제어함으로서, 영상재생장치의 공급전원과 소비전력을 조절하는 진단부;를 포함한다. 이에 의해, 영상재생장치를 안정적으로 동작시킬 수 있고, 심각한 비정상적인 동작상태에 이르게 되면 공급전원을 차단시켜 다른 소자들의 연쇄적 파손을 방지할 수 있게 된다.