公开(公告)号：US20130033194A1

公开(公告)日：2013-02-07

申请号：US13449037

申请日：2012-04-17

申请人： Jeong-il KANG ,  Hyo-soon CHOI

发明人： Jeong-il KANG ,  Hyo-soon CHOI

IPC分类号： H05B37/02

CPC分类号： H05B33/0818 ,  H05B33/0848 ,  Y02B20/347

摘要： An apparatus for driving a light-emitting diode (LED) is provided. The apparatus includes an LED, a voltage sensing unit which senses a voltage applied to the LED, a current sensing unit which senses a current flowing into the LED, a DC-to-DC converter which converts an input voltage into an LED driving voltage and provides the LED driving voltage to the LED, an LED driving unit which drives the LED according to a dimming-on signal and a dimming-off signal; and a control unit which controls the DC-to-DC converter such that the current sensed by the current sensor follows a reference current, if the dimming-on signal is received, and controls the DC-to-DC converter to maintain the voltage sensed by the voltage sensor at a same voltage as a voltage of the LED at a dimming-off time, if the dimming-off signal is received.

摘要翻译： 提供一种用于驱动发光二极管（LED）的装置。 该装置包括LED，感测施加到LED的电压的电压感测单元，感测流入LED的电流的电流感测单元，将输入电压转换为LED驱动电压的DC-DC转换器，以及 向LED提供LED驱动电压，LED驱动单元，其根据调光开启信号和调光信号驱动LED; 以及控制单元，其控制DC-DC转换器，使得由电流传感器感测的电流跟随参考电流，如果接收到调光接通信号，并且控制DC-DC转换器以维持感测到的电压 如果接收到调光关闭信号，则电压传感器在与调光关闭时间的LED的电压相同的电压下。

公开(公告)号：US20120049740A1

公开(公告)日：2012-03-01

申请号：US13053754

申请日：2011-03-22

申请人： Jeong-il KANG ,  Gil-yong CHANG ,  Young-deok CHOI ,  Hyo-soon CHOI

发明人： Jeong-il KANG ,  Gil-yong CHANG ,  Young-deok CHOI ,  Hyo-soon CHOI

IPC分类号： H05B37/03 ,  H05B37/02

CPC分类号： H05B33/089 ,  Y02B20/341

摘要： A luminescence driving apparatus, a display apparatus, and a driving method thereof are provided. The luminescence driving apparatus drives a plurality of light-emitting units and includes: a voltage sensor which senses internal voltages of the plurality of light-emitting units; a current sensor which senses internal currents of the plurality of light-emitting units; a sensing signal generator which receives the internal voltages of the plurality of light-emitting units from the voltage sensor to generate an overvoltage sensing signal; a controller which, if it is determined that an overvoltage state has occurred, according to a level of the overvoltage sensing signal, searches for at least one of the plurality of light-emitting units in which the overvoltage state has occurred, according to levels of the internal currents sensed by the current sensor; and a protector which performs an overvoltage protection (OVP) operation with respect to the searched light-emitting unit.

摘要翻译： 提供了发光驱动装置，显示装置及其驱动方法。 发光驱动装置驱动多个发光单元，包括：感测多个发光单元的内部电压的电压传感器; 感测多个发光单元的内部电流的电流传感器; 感测信号发生器，其从所述电压传感器接收所述多个发光单元的内部电压，以产生过电压感测信号; 控制器，如果根据过电压感测信号的电平确定已经发生过电压状态，则根据其中发生过电压状态的多个发光单元中的至少一个，根据 由电流传感器感测的内部电流; 以及对搜索到的发光单元执行过电压保护（OVP）操作的保护器。

公开(公告)号：US20120038290A1

公开(公告)日：2012-02-16

申请号：US13185947

申请日：2011-07-19

申请人： Hyo-soon CHOI ,  Jeong-il KANG

发明人： Hyo-soon CHOI ,  Jeong-il KANG

IPC分类号： H05B37/02 ,  G05F1/10

CPC分类号： H05B33/0815 ,  G09G3/3406 ,  G09G2330/02 ,  H05B33/0848

摘要： An apparatus and a method for common use of a power supply and a display apparatus using the same are provided. The display apparatus includes a display panel, a backlight unit which provides backlight to the display panel, and a power supply unit for common use which comprises an adjusting circuit unit comprising a plurality of resistances, and provides a current of a magnitude corresponding to a combination state of the plurality of resistances to the backlight unit. Accordingly, the power supply apparatus for common use adjusts an output current easily and is commonly used for diverse display apparatuses, and thus a manufacturing process is efficiently improved.

摘要翻译： 提供了一种用于电源的常用的装置和方法以及使用该电源的显示装置。 显示装置包括显示面板，向显示面板提供背光的背光单元和用于常用的电源单元，其包括包括多个电阻的调整电路单元，并且提供与组合相对应的大小的电流 对背光单元的多个电阻的状态。 因此，通常使用的电源装置容易地调节输出电流，并且通常用于各种显示装置，因此有效地提高了制造工艺。

公开(公告)号：US20110090261A1

公开(公告)日：2011-04-21

申请号：US12897153

申请日：2010-10-04

申请人： Jeong-il KANG ,  Young-Deok CHOI ,  Hyo-Soon CHOI

发明人： Jeong-il KANG ,  Young-Deok CHOI ,  Hyo-Soon CHOI

IPC分类号： G09G5/10 ,  H05B37/02

CPC分类号： H05B33/0848 ,  G09G3/3406 ,  G09G2300/0426

摘要： A backlight unit (BLU) capable of stably driving various light source modules, and a display apparatus using the same are provided. A display apparatus includes a display and a BLU. The BLU includes a light source module, a converter, a light source driving unit which drives the light source module using the output voltage of the converter, and a control unit which controls the output voltage of the converter based on the output voltage of the light source driving unit. Therefore, the ratio of the input voltage to the output voltage of the light source driving element may be maintained uniformly for various light source modules, so the light source modules can be stably driven.

摘要翻译： 提供能够稳定地驱动各种光源模块的背光单元（BLU）和使用其的显示装置。 显示装置包括显示器和BLU。 BLU包括光源模块，转换器，使用转换器的输出电压驱动光源模块的光源驱动单元，以及基于光的输出电压来控制转换器的输出电压的控制单元 源驱动单元。 因此，对于各种光源模块，能够均匀地维持光源驱动元件的输入电压与输出电压的比例，能够稳定地驱动光源模块。

公开(公告)号：US20110090259A1

公开(公告)日：2011-04-21

申请号：US12880881

申请日：2010-09-13

申请人： Jeong-il KANG ,  Sun-mi JUNG ,  Young-deok CHOI ,  Hyo-soon CHOI

发明人： Jeong-il KANG ,  Sun-mi JUNG ,  Young-deok CHOI ,  Hyo-soon CHOI

IPC分类号： G09G3/36 ,  G09G5/10

CPC分类号： G02F1/133615 ,  G02F1/133603 ,  G02F2001/133612 ,  G09G3/3406 ,  G09G2300/0426 ,  G09G2320/064 ,  H05B33/0815

摘要： A light emitting module, a backlight unit (BLU) and a display apparatus are provided. The display apparatus includes a light emitting module including a light emitting unit including one or more light emitting elements which are electrically connected to each other; and a board on which the light emitting unit is disposed. The board includes a first terminal which is connected to a first end of the light emitting unit, and a ground portion which connects a second end of the light emitting unit to a ground. Therefore, it is possible to design a thinner BLU, thereby making a display device slimmer.

摘要翻译： 提供了发光模块，背光单元（BLU）和显示装置。 显示装置包括：发光模块，包括：发光单元，包括彼此电连接的一个或多个发光元件; 以及设置发光单元的板。 板包括连接到发光单元的第一端的第一端子和将发光单元的第二端连接到地的接地部分。 因此，可以设计更薄的BLU，从而使显示装置更细。

公开(公告)号：US20120062148A1

公开(公告)日：2012-03-15

申请号：US13053984

申请日：2011-03-22

申请人： Tae-sung KIM ,  Jeong-il KANG

发明人： Tae-sung KIM ,  Jeong-il KANG

IPC分类号： H05B37/02

CPC分类号： H05B33/0884 ,  H05B33/0815 ,  H05B33/0824 ,  Y02B20/341 ,  Y02B20/346

摘要： A luminescence driving apparatus, a display apparatus, and a driving method thereof are provided. The luminescence driving apparatus includes: a driving circuit which is connected to a light-emitting device and drives the light-emitting device according to a control pulse having a fluctuating amplitude; a controller which, if an internal current of the light-emitting device is less than or equal to a threshold value, selects a position from among a plurality of different positions of the driving circuit based on the amplitude of the control pulse, senses a voltage at the selected position and determines whether a short-circuit has occurred between the light-emitting device and the driving circuit using a level of the sensed voltage; and a protector which if it is determined that the short-circuit has occurred, performs a protection operation with respect to the light-emitting device.

摘要翻译： 提供了发光驱动装置，显示装置及其驱动方法。 发光驱动装置包括：驱动电路，其连接到发光装置，并根据具有波动幅度的控制脉冲驱动发光装置; 控制器，如果发光装置的内部电流小于或等于阈值，则基于所述控制脉冲的振幅从所述驱动电路的多个不同位置中选择位置，以感测所述驱动电路的电压 在所选择的位置，使用感测电压的电平来确定在发光装置和驱动电路之间是否发生短路; 以及保护器，如果确定发生短路，则对发光装置执行保护操作。

公开(公告)号：US20100259694A1

公开(公告)日：2010-10-14

申请号：US12731678

申请日：2010-03-25

申请人： Tae-sung KIM ,  Jeong-il KANG ,  Hyeong-sik CHOI ,  Gil-yong CHANG ,  Young-deok CHOI

发明人： Tae-sung KIM ,  Jeong-il KANG ,  Hyeong-sik CHOI ,  Gil-yong CHANG ,  Young-deok CHOI

IPC分类号： H04N3/14 ,  G09G3/36

CPC分类号： G02F1/133603 ,  G02F1/133615 ,  G02F2001/133612

摘要： A display apparatus having a display and a backlight unit (BLU) which provides backlight to the display are provided. The BLU includes a first light source module in which a plurality of light sources are arranged, a second light source module in which a plurality of light sources are arranged, and a light source driving unit which drives the first light source module and second light source module. The first light source module and second light source module are connected to each other by a first connector.

摘要翻译： 提供具有向显示器提供背光的显示器和背光单元（BLU）的显示装置。 BLU包括其中布置有多个光源的第一光源模块，布置有多个光源的第二光源模块和驱动第一光源模块和第二光源的光源驱动单元 模块。 第一光源模块和第二光源模块通过第一连接器相互连接。

公开(公告)号：US20080164829A1

公开(公告)日：2008-07-10

申请号：US11773597

申请日：2007-07-05

申请人： Sang-hoon LEE ,  Jeong-il KANG

发明人： Sang-hoon LEE ,  Jeong-il KANG

IPC分类号： H05B41/36

CPC分类号： H05B33/0845

摘要： A power supply device for a luminous element and a method thereof are provided. The power supply device includes an output calculation unit for calculating a brightness level of the luminous element, a current command signal generation unit for generating a current command signal so that a current value being supplied to the luminous element is adjusted by stages, and a constant current source for adjusting by stages the current being supplied to the luminous element according to the current command signal. According to the power supply device, the ascending period and the descending period can be shortened, and light output characteristics can be improved by improving the transient characteristic through an adaptive adjustment of current in the ascending period and the descending period.

摘要翻译： 提供了一种用于发光元件的电源装置及其方法。 电源装置包括用于计算发光元件的亮度电平的输出计算单元，用于产生电流指令信号的电流指令信号生成单元，使得提供给发光元件的电流值被分阶段地调节，并且恒定 电流源，用于根据电流指令信号逐级调节供应给发光元件的电流。 根据供电装置，可以缩短上升周期和下降周期，并且可以通过在上升周期和下降周期中的电流的自适应调整来改善瞬态特性来提高光输出特性。

公开(公告)号：US20120162279A1

公开(公告)日：2012-06-28

申请号：US13244307

申请日：2011-09-24

申请人： Tae-sung KIM ,  Yong-joo LEE ,  Jeong-il KANG

发明人： Tae-sung KIM ,  Yong-joo LEE ,  Jeong-il KANG

IPC分类号： G09G5/10

CPC分类号： G09G3/3406 ,  G09G2330/04

摘要： A display apparatus and a control method thereof are disclosed. The display apparatus includes a signal processor which processes a video signal; a display which displays an image based on the video signal processed by the signal processor, a light source providing light for displaying the image; and a driving circuit which drives the light source on the basis of a dimming signal having an on-section and an off-section for dimming the light source. The driving circuit includes a protection circuit for performing a protection operation as a result of an abnormal electric current flowing in the light source during the off-section. The display apparatus is protected when a short circuit occurs between the light source and the driving circuit, thereby enhancing the stability and reliability of the apparatus.

摘要翻译： 公开了一种显示装置及其控制方法。 显示装置包括处理视频信号的信号处理器; 基于由信号处理器处理的视频信号显示图像的显示器，提供用于显示图像的光的光源; 以及驱动电路，其基于具有用于使光源调光的截面和截止部分的调光信号驱动光源。 驱动电路包括保护电路，用于在断开期间由于在光源中流动的异常电流而执行保护操作。 当在光源和驱动电路之间发生短路时，显示装置被保护，从而提高了装置的稳定性和可靠性。

公开(公告)号：US20120105498A1

公开(公告)日：2012-05-03

申请号：US13244319

申请日：2011-09-24

申请人： Tae-sung KIM ,  Young-deok CHOI ,  Jeong-il KANG

发明人： Tae-sung KIM ,  Young-deok CHOI ,  Jeong-il KANG

IPC分类号： G09G5/10 ,  H05B37/02

CPC分类号： G09G3/3426 ,  G09G2320/064 ,  H05B33/0815 ,  Y02B20/346

摘要： A switching-type luminescence driving apparatus, a display apparatus, and a driving method thereof are provided. The luminescence driving apparatus includes: a plurality of driving circuits which are connected to a plurality of LEDs having a common anode terminal and which drive the plurality of LEDs according to control pulse modulation; and a controller which controls voltages of a plurality of cathode terminals of the plurality of LEDs so as to independently control each voltage of the plurality of LEDs.

摘要翻译： 提供了开关型发光驱动装置，显示装置及其驱动方法。 发光驱动装置包括：多个驱动电路，其连接到具有公共阳极端子的多个LED，并且根据控制脉冲调制驱动多个LED; 以及控制器，其控制所述多个LED的多个阴极端子的电压，以独立地控制所述多个LED的每个电压。