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1. 发明授权

US09208728B2 Display apparatus with backlight driving circuit and control method thereof 有权
标题翻译：具有背光驱动电路的显示装置及其控制方法
公开(公告)号：US09208728B2
公开(公告)日：2015-12-08
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： G06F3/038 , G09G5/00 , G09G3/36 , G09G3/34
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。

2. 发明授权

US08664874B2 Backlight unit and apparatus and method for controlling LED driving circuit 失效
标题翻译：背光单元及控制LED驱动电路的设备及方法
公开(公告)号：US08664874B2
公开(公告)日：2014-03-04
申请号：US13460135
申请日：2012-04-30
申请人： Jeong-il Kang , Tae-sung Kim
发明人： Jeong-il Kang , Tae-sung Kim
IPC分类号： H05B37/02
CPC分类号： H05B33/0818
摘要： A backlight unit is provided. The backlight unit includes an LED; an LED driving unit which drives the LED in accordance with a switching operation of a transistor; and a control unit which adds an additional signal to an output current of the LED to obtain a combined current, compares the combined current with the reference current, and controls the switching operation of the transistor based on the results of the comparison, wherein the additional signal is a current signal whose level increases over time in each period and is then reset to a predefined value in each period in accordance with an operation cycle of the transistor.
摘要翻译：提供背光单元。背光单元包括LED; LED驱动单元，其根据晶体管的开关动作驱动LED; 以及控制单元，其向LED的输出电流添加附加信号以获得组合电流，将组合的电流与参考电流进行比较，并且基于比较的结果来控制晶体管的开关操作，其中附加信号是电流信号，其电平在每个周期内随时间增加，然后根据晶体管的操作周期在每个周期中复位到预定值。

3. 发明授权

US08558481B2 Luminescence driving apparatus, display apparatus, and driving method thereof 有权
标题翻译：发光驱动装置，显示装置及其驱动方法
公开(公告)号：US08558481B2
公开(公告)日：2013-10-15
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。

4. 发明授权

US09123298B2 LED driving apparatus, method for driving LED, and display apparatus thereof 有权
标题翻译： LED驱动装置，LED驱动方法及其显示装置
公开(公告)号：US09123298B2
公开(公告)日：2015-09-01
申请号：US13617278
申请日：2012-09-14
申请人： Tae-sung Kim , Jeong-il Kang , Young-soo Kim , Gil-yong Chang
发明人： Tae-sung Kim , Jeong-il Kang , Young-soo Kim , Gil-yong Chang
IPC分类号： H05B37/02 , G09G3/34 , H05B33/08
CPC分类号： G09G3/3406 , H05B33/0815 , H05B33/0848
摘要： A display apparatus is provided. The display apparatus includes a display panel which displays an image, a LED module which provides backlight to the display panel, a LED driving unit which selectively uses current of an inductor to apply driving voltage to the LED module, a sensing unit which senses a current value of the inductor, and a switching control unit which adjusts the driving voltage according to sensing result by the sensing unit.
摘要翻译：提供一种显示装置。显示装置包括显示图像的显示面板，向显示面板提供背光的LED模块，选择性地使用电感器的电流以向LED模块施加驱动电压的LED驱动单元，感测电流的感测单元电感器的值，以及根据感测单元的感测结果来调节驱动电压的开关控制单元。

5. 发明授权

US08890443B2 Backlight unit and method for controlling LED 有权
标题翻译：背光单元及LED控制方法
公开(公告)号：US08890443B2
公开(公告)日：2014-11-18
申请号：US13398921
申请日：2012-02-17
申请人： Jeong-il Kang , Ju-taek Lee , Gil-yong Chang
发明人： Jeong-il Kang , Ju-taek Lee , Gil-yong Chang
IPC分类号： H05B37/02 , G09G3/34 , H05B33/08
CPC分类号： G09G3/3406 , G09G2320/041 , G09G2330/045 , H05B33/089
摘要： A backlight unit is provided, which includes a light-emitting diode LED, an LED driving unit which drives the LED, a control unit which measures a temperature of the LED driving unit, and, if the temperature exceeds a preset threshold temperature, interrupts an operation of the LED driving unit, and a threshold temperature adjustment unit which changes the preset threshold temperature based on a limit temperature of a circuit element included in the LED driving unit.
摘要翻译：提供了一种背光单元，其包括发光二极管LED，驱动LED的LED驱动单元，测量LED驱动单元的温度的控制单元，并且如果温度超过预设阈值温度，则中断一个 LED驱动单元的动作以及阈值温度调整单元，其基于LED驱动单元所包含的电路元件的极限温度来改变预设阈值温度。

6. 发明授权

US07911155B2 Backlight unit, display apparatus comprising the same and control method thereof 有权
标题翻译：背光单元，包括该背光单元的显示装置及其控制方法
公开(公告)号：US07911155B2
公开(公告)日：2011-03-22
申请号：US12100733
申请日：2008-04-10
申请人： Jeong-il Kang , Sang-hoon Lee , Kyoung-geun Lee , Su-gun Kim
发明人： Jeong-il Kang , Sang-hoon Lee , Kyoung-geun Lee , Su-gun Kim
IPC分类号： H05B37/00
CPC分类号： G09G3/342 , G09G3/006 , G09G2330/08 , G09G2330/12 , H05B33/0851
摘要： Provided is a display apparatus including: a display panel; a light source which includes a plurality of light source modules and supplies light to the display panel; a light source driver which drives the light source modules; a power source which supplies power to the light source driver; a current detector which detects a current of the power supplied from the power source to the light source driver; and a controller which controls the light source driver to sequentially drive the plurality of light source modules and compares the detected current with a range to detect errors from the respective light source modules.
摘要翻译：提供一种显示装置，包括：显示面板; 光源，其包括多个光源模块并向所述显示面板提供光; 驱动光源模块的光源驱动器; 向光源驱动器供电的电源; 电流检测器，其检测从电源向光源驱动器提供的电力的电流; 以及控制器，其控制所述光源驱动器顺序地驱动所述多个光源模块，并将所检测的电流与检测到的各个光源模块的误差的范围进行比较。

7. 发明授权

US07626340B2 Display apparatus and control method thereof 失效
标题翻译：显示装置及其控制方法
公开(公告)号：US07626340B2
公开(公告)日：2009-12-01
申请号：US11442389
申请日：2006-05-30
申请人： Jeong-il Kang , Sang-hoon Lee , Kyoung-geun Lee , Yung-jun Park
发明人： Jeong-il Kang , Sang-hoon Lee , Kyoung-geun Lee , Yung-jun Park
IPC分类号： H05B37/00
CPC分类号： H05B33/0815 , G09G3/14 , G09G3/2014 , G09G3/3406 , G09G2320/0233 , G09G2330/02
摘要： The present invention relates to a display apparatus comprising a light emitting element supplying light, and a switch to switch on and off power, which is supplied to the light emitting element. A comparing unit compares a predetermined first reference voltage and an output voltage which is proportional to a current applied to the light emitting element. A controller compares a comparison voltage output, which is a comparison result of the comparing unit and a predetermined second reference voltage, in order to control the switch to be switched on and off. Accordingly, the present invention provides a display apparatus and control method which precisely controls a size of a current applied to a light emitting element.
摘要翻译：本发明涉及包含提供光的发光元件的显示装置和提供给发光元件的开关，以接通和断开电源。比较单元将预定的第一参考电压和与施加到发光元件的电流成比例的输出电压进行比较。控制器将作为比较单元的比较结果的比较电压输出与预定的第二参考电压进行比较，以便控制开关的接通和断开。因此，本发明提供了精确地控制施加到发光元件的电流的尺寸的显示装置和控制方法。

8. 发明申请

US20090045759A1 BACKLIGHT UNIT, DISPLAY APPARATUS COMPRISING THE SAME AND CONTROL METHOD THEREOF 有权
标题翻译：背光单元，包括其的显示装置及其控制方法
公开(公告)号：US20090045759A1
公开(公告)日：2009-02-19
申请号：US12100733
申请日：2008-04-10
申请人： Jeong-il Kang , Sang-hoon Lee , Kyoung-geun Lee , Su-gun Kim
发明人： Jeong-il Kang , Sang-hoon Lee , Kyoung-geun Lee , Su-gun Kim
IPC分类号： H05B37/02
CPC分类号： G09G3/342 , G09G3/006 , G09G2330/08 , G09G2330/12 , H05B33/0851
摘要： Provided is a display apparatus including: a display panel; a light source which includes a plurality of light source modules and supplies light to the display panel; a light source driver which drives the light source modules; a power source which supplies power to the light source driver; a current detector which detects a current of the power supplied from the power source to the light source driver; and a controller which controls the light source driver to sequentially drive the plurality of light source modules and compares the detected current with a range to detect errors from the respective light source modules.
摘要翻译：提供一种显示装置，包括：显示面板; 光源，其包括多个光源模块并向所述显示面板提供光; 驱动光源模块的光源驱动器; 向光源驱动器供电的电源; 电流检测器，其检测从电源向光源驱动器提供的电力的电流; 以及控制器，其控制所述光源驱动器顺序地驱动所述多个光源模块，并将所检测的电流与检测到的各个光源模块的误差的范围进行比较。

9. 发明申请

US20070279371A1 Light emitting device and method of controlling the same 有权
标题翻译：发光装置及其控制方法
公开(公告)号：US20070279371A1
公开(公告)日：2007-12-06
申请号：US11634842
申请日：2006-12-07
申请人： Sang-hoon Lee , Jeong-il Kang
发明人： Sang-hoon Lee , Jeong-il Kang
IPC分类号： G09G3/36
CPC分类号： H05B33/0851 , H05B33/0815
摘要： Provided is a light emitting device and a method of controlling the same are disclosed. The light emitting unit includes a power supply unit for supplying a drive voltage to the light emitting unit, and a control unit for comparing a first current level previously applied to the light emitting unit with a second current level to be applied to the light emitting unit in accordance with image information to be displayed using the light emitting unit, and controlling a voltage level applied to the light emitting unit based on a result of comparison.
摘要翻译：提供了一种发光器件及其控制方法。发光单元包括用于向发光单元提供驱动电压的电源单元和用于将先前施加到发光单元的第一电流水平与施加到发光单元的第二电流水平进行比较的控制单元根据要使用发光单元显示的图像信息，以及基于比较的结果控制施加到发光单元的电压电平。

10. 发明申请

US20070217220A1 Light emitting apparatus and control method therefor 失效
标题翻译：发光装置及其控制方法
公开(公告)号：US20070217220A1
公开(公告)日：2007-09-20
申请号：US11653389
申请日：2007-01-16
申请人： Jeong-il Kang , Sang-hoon Lee
发明人： Jeong-il Kang , Sang-hoon Lee
IPC分类号： G01B13/18 , G01B21/22 , F21V7/04 , G01B5/00
CPC分类号： H05B33/0866 , H05B33/0815 , H05B33/0818 , H05B33/086 , Y02B20/346
摘要： A light emitting apparatus and control method are provided. The light-emitting apparatus includes a light emitting part; a power supplying part; a switching part which is serially coupled to the light emitting part; and a control part which compares a switch voltage level with a comparison level, and controls the power supplying part to supply the driving power having a voltage level decreased by a reference level if the switch voltage level is higher than the comparison level. The control method includes supplying a driving power to the light emitting part; emitting light; measuring a switch voltage level across the switching part, and decreasing a voltage level of the driving power by a reference level if the switch voltage level is higher than the comparison level.
摘要翻译：提供一种发光装置和控制方法。发光装置包括发光部分; 供电部; 与发光部串联连接的开关部; 以及控制部分，其将开关电压电平与比较电平进行比较，并且如果所述开关电压电平高于所述比较电平，则控制所述电力供应部分将具有降低了参考电平的电压电平的驱动功率提供。控制方法包括向发光部提供驱动电力; 发光; 测量开关部分的开关电压电平，并且如果开关电压电平高于比较电平，则将驱动功率的电压电平降低基准电平。

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