专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

31. 发明申请

US20070195023A1 Light emitting apparatus and control method thereof 失效
标题翻译：发光装置及其控制方法
公开(公告)号：US20070195023A1
公开(公告)日：2007-08-23
申请号：US11651570
申请日：2007-01-10
申请人： Jeong-il Kang , Sang-hoon Lee
发明人： Jeong-il Kang , Sang-hoon Lee
IPC分类号： G09G3/32
CPC分类号： G09G3/3406 , G09G2320/064
摘要： A light emitting apparatus includes: a plurality of light emitting parts connected in series; a current supplying part supplying current to the plurality of light emitting parts; a plurality of current switches connected in parallel to the plurality of light emitting parts, respectively, and causing the current to flow through the light emitting parts or bypass the light emitting parts; and a controlling part receiving brightness information corresponding to the plurality of light emitting parts and outputting pulse width modulation signals to the current switches so that emission time of the plurality of light emitting parts is separately adjusted based on the received brightness information.
摘要翻译：发光装置包括：串联连接的多个发光部; 向所述多个发光部供给电流的电流供给部; 分别与所述多个发光部并联连接的多个电流开关，使所述电流流过所述发光部，或者旁路所述发光部; 以及控制部分，接收对应于所述多个发光部分的亮度信息并将脉冲宽度调制信号输出到所述电流开关，使得所述多个发光部件的发光时间基于所接收的亮度信息被单独调节。

32. 发明申请

US20070194210A1 Light emitting apparatus and control method thereof 审中-公开
标题翻译：发光装置及其控制方法
公开(公告)号：US20070194210A1
公开(公告)日：2007-08-23
申请号：US11657063
申请日：2007-01-24
申请人： Sang-hoon Lee , Jeong-il Kang
发明人： Sang-hoon Lee , Jeong-il Kang
IPC分类号： H01J40/14 , G01J1/44 , H03F3/08
CPC分类号： H03F3/08 , H03F2200/504 , H03F2200/78 , H05B33/0815 , H05B33/0818
摘要： A light emitting apparatus and control method are provided. The light emitting apparatus includes a light emitting part; a power supply which applies a voltage to the light emitting part; a switch which is connected in series with the light emitting part; and a controller which controls the power supply to maintain a current applied to the switch, to apply a first voltage level to the light emitting part for a reserve time when the light emitting part is initially driven, and to apply a second voltage level to the light emitting part after the reserve time elapses. The light emitting apparatus and control method increase the temperature of a light emitting part by supplying power to the light emitting part for a reserve time before the light emitting part is driven normally at an initial stage of driving the light emitting part.
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; 对发光部施加电压的电源; 与发光部串联连接的开关; 以及控制器，其控制所述电源以维持施加到所述开关的电流，以在所述发光部分被初始驱动时将所述第一电压电平施加到所述发光部分以用于预留时间，并且向所述发光部分施加第二电压电平发光部分经过预留时间。发光装置和控制方法通过在驱动发光部分的初始阶段正常地驱动发光部分之前的预留时间向发光部分供电来增加发光部分的温度。

33. 发明申请

US20070063937A1 Display device and control method thereof 有权
标题翻译：显示装置及其控制方法
公开(公告)号：US20070063937A1
公开(公告)日：2007-03-22
申请号：US11503280
申请日：2006-08-14
申请人： Jeong-il Kang , Sang-hoon Lee , Chang-wan Hong , Yung-jun Park
发明人： Jeong-il Kang , Sang-hoon Lee , Chang-wan Hong , Yung-jun Park
IPC分类号： G09G3/32
CPC分类号： H05B33/086 , H05B33/0818 , Y02B20/346
摘要： A display device and method for supplying stable electric power for a light source are provided. A display device comprises a plurality of light sources, a variable electrical power supply which supplies electric power for the light sources, a switching unit which is connected in series with the light sources, and a controller which controls the variable electrical power supply so that voltage across both ends of the switching unit is consistently held in relation to voltage across both ends of the light sources.
摘要翻译：提供了一种用于为光源提供稳定电力的显示装置和方法。显示装置包括多个光源，为光源提供电力的可变电源，与光源串联连接的切换单元，以及控制可变电源使得电压跨越开关单元两端的电压一贯地保持在与光源两端的电压方面。

34. 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。

35. 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。

36. 发明申请

US20060181485A1 LED driver 有权
标题翻译： LED驱动器
公开(公告)号：US20060181485A1
公开(公告)日：2006-08-17
申请号：US11262807
申请日：2005-11-01
申请人： Nam-in Kim , Jeong-il Kang , Joon-hyun Yang
发明人： Nam-in Kim , Jeong-il Kang , Joon-hyun Yang
IPC分类号： G09G3/14
CPC分类号： H05B33/0812 , H05B33/0815 , H05B33/0818 , H05B33/0851 , Y02B20/343
摘要： The present invention relates to an LED driver for driving light emitting diodes. The LED driver comprises a linear mode driver to increase and decrease a linear mode current to make a current flow in the LED at a predetermined target current value and output it to the LED; and a switch mode driver to increase and decrease a switch mode current depending on whether the linear mode current exceeds a predetermined reference current value and output it to the LED. Thus, the present invention provides an LED driver having high power efficiency and light efficiency and minimal distortions of a driving current.
摘要翻译：本发明涉及用于驱动发光二极管的LED驱动器。 LED驱动器包括线性模式驱动器，用于增加和减少线性模式电流，以使电流在LED中以预定的目标电流值流动并将其输出到LED; 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加和减少开关模式电流，并将其输出到LED。因此，本发明提供了具有高功率效率和光效率以及驱动电流的最小失真的LED驱动器。

37. 发明申请

US20050140590A1 Apparatus for generating ramp reset waveform for display panel and design method therefor 失效
标题翻译：用于生成显示面板的斜坡复位波形的装置及其设计方法
公开(公告)号：US20050140590A1
公开(公告)日：2005-06-30
申请号：US11003321
申请日：2004-12-06
申请人： Jeong-il Kang , Young-sun Kim , Chung-wook Roh
发明人： Jeong-il Kang , Young-sun Kim , Chung-wook Roh
IPC分类号： G09G3/20 , G09F9/313 , G09G3/288 , G09G3/291 , G09G3/292 , G09G3/294 , G09G3/296 , G09G3/298 , H01J17/49 , G09G3/28
CPC分类号： G09G3/296 , G09G3/2927 , G09G2330/028
摘要： A ramp reset waveform generating apparatus in a display panel driving apparatus for a display panel includes a current source which is connected to a first electrode sustain circuit of the display panel through a first terminal of the current source, and generates a current corresponding to a predetermined reference current; a first switching unit which switches current flow between a second terminal of the current source and a first electrode terminal of the display panel; and a second switching unit which switches current flow between the second terminal of the current source and a second electrode terminal of the display panel, wherein, in a reset period, a ramp reset waveform is generated in the first electrode terminal and the second electrode terminal by the charge or discharge process of the display panel by the current generated in the current source according to a predetermined switching sequence.
摘要翻译：用于显示面板的显示面板驱动装置中的斜坡复位波形发生装置包括：电流源，其通过电流源的第一端子连接到显示面板的第一电极维持电路，并产生对应于预定的参考电流; 第一切换单元，其切换电流源的第二端子与显示面板的第一电极端子之间的电流; 以及第二开关单元，其切换电流源的第二端子与显示面板的第二电极端子之间的电流，其中在复位时段中，在第一电极端子和第二电极端子中产生斜坡复位波形通过根据预定的切换顺序在电流源中产生的电流对显示面板进行充电或放电处理。

38. 发明授权

US08680786B2 Method and apparatus for common use of power supply and display apparatus using the same 失效
标题翻译：用于电源的通用方法和装置以及使用其的显示装置
公开(公告)号：US08680786B2
公开(公告)日：2014-03-25
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： G05F1/00
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。

39. 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。

40. 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。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式