公开(公告)号：US07187354B2

公开(公告)日：2007-03-06

申请号：US10503026

申请日：2002-09-19

申请人： Woong-Kyu Min ,  Cheol-Woo Park ,  Ho-Yong Jeong

发明人： Woong-Kyu Min ,  Cheol-Woo Park ,  Ho-Yong Jeong

IPC分类号： G09G3/10

CPC分类号： G09G3/2077 ,  G09G3/2025 ,  G09G3/2033 ,  G09G3/3258 ,  G09G5/399 ,  G09G2300/0842 ,  G09G2320/0233 ,  G09G2320/0285 ,  G09G2360/18

摘要： The present invention relates to an organic electroluminescent display and a driving method thereof, which divides one frame into a plurality of subframes. Since the present invention divides one frame into several subframes, and drives an organic EL device with the subframes assigned to the upper bits and with the corrected gray data for representing the detailed grays between the basic grays during the subframes assigned to the lower bits, it is possible to represent sufficient number of grays regardless of the unstable luminescence characteristics of an organic EL device.

摘要翻译： 本发明涉及将一帧分割为多个子帧的有机电致发光显示器及其驱动方法。 由于本发明将一帧划分成几个子帧，并且驱动具有分配给高位的子帧的有机EL器件，并且使用经校正的灰度数据表示在分配给较低位的子帧期间的基本灰度之间的详细灰度， 可以代表足够数量的灰度，而不管有机EL器件的不稳定发光特性如何。

公开(公告)号：US20050078064A1

公开(公告)日：2005-04-14

申请号：US10503026

申请日：2002-09-19

申请人： Woong-Kyu Min ,  Cheol-Woo Park ,  Ho-Yong Jeong

发明人： Woong-Kyu Min ,  Cheol-Woo Park ,  Ho-Yong Jeong

IPC分类号： G09G3/30 ,  G09G3/20 ,  G09G3/32 ,  G09G5/399

CPC分类号： G09G3/2077 ,  G09G3/2025 ,  G09G3/2033 ,  G09G3/3258 ,  G09G5/399 ,  G09G2300/0842 ,  G09G2320/0233 ,  G09G2320/0285 ,  G09G2360/18

摘要： The present invention relates to an organic electroluminescent display and a driving method thereof, which divides one frame into a plurality of subframes. Since the present invention divides one frame into several subframes, and drives an organic EL device with the subframes assigned to the upper bits and with the corrected gray data for representing the detailed grays between the basic grays during the subframes assigned to the lower bits, it is possible to represent sufficient number of grays regardless of the unstable luminescence characteristics of an organic EL device.

摘要翻译： 本发明涉及将一帧分割为多个子帧的有机电致发光显示器及其驱动方法。 由于本发明将一帧划分成几个子帧，并且驱动具有分配给高位的子帧的有机EL器件，并且使用经校正的灰度数据表示在分配给较低位的子帧期间的基本灰度之间的详细灰度， 可以代表足够数量的灰度，而不管有机EL器件的不稳定发光特性如何。

公开(公告)号：US07492345B2

公开(公告)日：2009-02-17

申请号：US10515491

申请日：2002-07-22

申请人： Bo Jin ,  Cheol-Woo Park ,  Woong-Kyu Min

发明人： Bo Jin ,  Cheol-Woo Park ,  Woong-Kyu Min

IPC分类号： G09G3/36

CPC分类号： G09G3/342 ,  G02F2001/133622 ,  G09G3/3413 ,  G09G3/3648 ,  G09G2310/0235 ,  G09G2310/024 ,  G09G2310/08 ,  G09G2320/0242 ,  G09G2320/0257

摘要： The present invention relates to a liquid crystal display of a time divisional color display, which includes a plurality of pixels having liquid crystal capacitors, respectively, and light is not supplied to some pixels and light supplied to other pixels. Preferably, data voltages are applied to the pixels to which light is not supplied and data voltages are not applied to the pixel to which light is supplied. Accordingly, since a liquid crystal panel assembly is divided into several areas to be scanned sequentially and a light source of a light source unit corresponding to the area being scanned is maintained in light-off state, it is possible to secure enough data scan time as well as to increase light-on-time of the light sources. With this, time to charge electric charges of the liquid crystal capacitors is increased to improve image quality, and, according as light-on time of the light sources is increased, clearness of the image quality is also increased.

摘要翻译： 本发明涉及一种时分彩色显示器的液晶显示器，其分别包括具有液晶电容器的多个像素，并且不向一些像素提供光并且将光提供给其他像素。 优选地，将数据电压施加到不被提供光的像素，并且数据电压不被施加到被供应光的像素。 因此，由于液晶面板组件被分成若干区域以被顺序扫描，并且与被扫描的区域对应的光源单元的光源保持在关闭状态，所以可以确保足够的数据扫描时间作为 以及增加光源的导通时间。 由此，提高液晶电容器的充电时间，提高图像质量，并且，随着光源的点亮时间的增加，图像质量的清晰度也增加。

公开(公告)号：US20060050047A1

公开(公告)日：2006-03-09

申请号：US10515491

申请日：2002-07-22

申请人： Bo Jin ,  Cheol-Woo Park ,  Woong-Kyu Min

发明人： Bo Jin ,  Cheol-Woo Park ,  Woong-Kyu Min

IPC分类号： G09G3/36

CPC分类号： G09G3/342 ,  G02F2001/133622 ,  G09G3/3413 ,  G09G3/3648 ,  G09G2310/0235 ,  G09G2310/024 ,  G09G2310/08 ,  G09G2320/0242 ,  G09G2320/0257

摘要： The present invention relates to a liquid crystal display of a time divisional color display, which includes a plurality of pixels having liquid crystal capacitors, respectively, and light is not supplied to some pixels and light supplied to other pixels. Preferably, data voltages are applied to the pixels to which light is not supplied and data voltages are not applied to the pixel to which light is supplied. Accordingly, since a liquid crystal panel assembly is divided into several areas to be scanned sequentially and a light source of a light source unit corresponding to the area being scanned is maintained in light-off state, it is possible to secure enough data scan time as well as to increase light-on-time of the light sources. With this, time to charge electric charges of the liquid crystal capacitors is increased to improve image quality, and, according as light-on time of the light sources is increased, clearness of the image quality is also increased.

公开(公告)号：US20050156829A1

公开(公告)日：2005-07-21

申请号：US10504403

申请日：2002-09-19

申请人： Beom-Rak Choi ,  Joon-Hoo Choi ,  Chong-Chul Chae ,  Woong-Kyu Min ,  Jyong-Ju Shin

发明人： Beom-Rak Choi ,  Joon-Hoo Choi ,  Chong-Chul Chae ,  Woong-Kyu Min ,  Jyong-Ju Shin

IPC分类号： H01L51/50 ,  G09G3/20 ,  G09G3/30 ,  G09G3/32

CPC分类号： G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2310/0262 ,  G09G2320/0233 ,  G09G2320/0242 ,  G09G2320/043

摘要： A pixel circuit of an organic EL display includes an EL device, first and second switching devices, a driving thin film transistor, and a capacitor. The first switching device switches data voltages applied to data lines in response to the selection signal applied to a scan line and the second switching device connects gate and drain of the driving thin film transistor in response to a compensation signal applied to a compensation line. The driving thin film transistor supplies electric current to the organic EL device in response to the data voltage inputted to a gate from the first switching device and the capacitor maintains the data voltage applied to the gate of the driving thin film transistor for a predetermined period. At this time, the characteristic deviation of the transistor is compensated by connecting the gate and the drain of the driving thin film transistor by applying the compensation signal to the compensation line before applying the data voltage, and then the data voltages are applied to the data lines after cutting off the compensation signal. In this manner, the characteristic deviation of the driving thin film transistors can be compensated.

摘要翻译： 有机EL显示器的像素电路包括EL器件，第一和第二开关器件，驱动薄膜晶体管和电容器。 第一开关装置响应于施加到扫描线的选择信号而切换施加到数据线的数据电压，并且第二开关器件响应于施加到补偿线的补偿信号而连接驱动薄膜晶体管的栅极和漏极。 驱动薄膜晶体管响应于从第一开关器件输入到栅极的数据电压向有机EL器件提供电流，并且电容器将施加到驱动薄膜晶体管的栅极的数据电压保持预定时间段。 此时，通过在施加数据电压之前将补偿信号施加到补偿线，通过连接驱动薄膜晶体管的栅极和漏极来补偿晶体管的特性偏差，然后将数据电压施加到数据 切断补偿信号后的线路。 以这种方式，可以补偿驱动薄膜晶体管的特性偏差。

公开(公告)号：US08723780B2

公开(公告)日：2014-05-13

申请号：US12108951

申请日：2008-04-24

申请人： Woong-Kyu Min ,  Hyeon-Yong Jang

发明人： Woong-Kyu Min ,  Hyeon-Yong Jang

IPC分类号： G09G3/36

CPC分类号： G09G3/3696 ,  G09G3/3406 ,  H05B41/3927

摘要： An inverter of driving a light source for a display device is provided. The inverter includes a temperature sensor sensing a temperature and generating an output voltage based on the sensed temperature, a buffer generating an output signal having a state depending on the output voltage of the temperature sensor, an oscillator generating an oscillating signal having a frequency depending on the state of the output signal of the buffer, and an inverter performing a switching operation in response to the oscillating signal from the oscillator. Therefore, the inverter increases the voltage applied to the light source when the temperature near the light source is lower than a predetermined temperature since the frequency of the oscillating signal is increased.

摘要翻译： 提供驱动显示装置的光源的逆变器。 逆变器包括感测温度并基于感测到的温度产生输出电压的温度传感器，产生具有取决于温度传感器的输出电压的状态的输出信号的缓冲器，产生具有取决于温度传感器的频率的振荡信号的振荡器 缓冲器的输出信号的状态，以及响应于来自振荡器的振荡信号执行开关操作的反相器。 因此，当振荡信号的频率增加时，当光源附近的温度低于预定温度时，逆变器增加施加到光源的电压。

公开(公告)号：US07443366B2

公开(公告)日：2008-10-28

申请号：US10504403

申请日：2002-09-19

申请人： Beohm-Rak Choi ,  Joon-Hoo Choi ,  Chong-Chul Chae ,  Woong-Kyu Min ,  Kyong-Ju Shin

发明人： Beohm-Rak Choi ,  Joon-Hoo Choi ,  Chong-Chul Chae ,  Woong-Kyu Min ,  Kyong-Ju Shin

IPC分类号： G09G3/30

CPC分类号： G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2310/0262 ,  G09G2320/0233 ,  G09G2320/0242 ,  G09G2320/043

摘要： A pixel circuit of an organic EL display includes an EL device, first and second switching devices, a driving thin film transistor, and a capacitor.The first switching device switches data voltages applied to data lines in response to the selection signal applied to a scan line and the second switching device connects gate and drain of the driving thin film transistor in response to a compensation signal applied to a compensation line. The driving thin film transistor supplies electric current to the organic EL device in response to the data voltage inputted to a gate from the first switching device and the capacitor maintains the data voltage applied to the gate of the driving thin film transistor for a predetermined period. At this time, the characteristic deviation of the transistor is compensated by connecting the gate and the drain of the driving thin film transistor by applying the compensation signal to the compensation line before applying the data voltage, and then the data voltages are applied to the data lines after cutting off the compensation signal. In this manner, the characteristic deviation of the driving thin film transistors can be compensated.

摘要翻译： 有机EL显示器的像素电路包括EL器件，第一和第二开关器件，驱动薄膜晶体管和电容器。 第一开关装置响应于施加到扫描线的选择信号而切换施加到数据线的数据电压，并且第二开关器件响应于施加到补偿线的补偿信号而连接驱动薄膜晶体管的栅极和漏极。 驱动薄膜晶体管响应于从第一开关器件输入到栅极的数据电压向有机EL器件提供电流，并且电容器将施加到驱动薄膜晶体管的栅极的数据电压保持预定时间段。 此时，通过在施加数据电压之前将补偿信号施加到补偿线，通过连接驱动薄膜晶体管的栅极和漏极来补偿晶体管的特性偏差，然后将数据电压施加到数据 切断补偿信号后的线路。 以这种方式，可以补偿驱动薄膜晶体管的特性偏差。

公开(公告)号：US07417616B2

公开(公告)日：2008-08-26

申请号：US10656696

申请日：2003-09-04

申请人： Woong-Kyu Min ,  Hyeon-Yong Jang

发明人： Woong-Kyu Min ,  Hyeon-Yong Jang

IPC分类号： G09G3/36

CPC分类号： G09G3/3696 ,  G09G3/3406 ,  H05B41/3927

摘要： An inverter for a display includes; an inverter controller generating a carrier signal for pulse width modulation and a lamp driving signal having on-time and off-time by pulse width modulating a dimming signal based on the carrier signal and controlling the on-time of the lamp driving signal in response to at least one of a vertical synchronization signal and a vertical synchronization start signal from the signal controller, a power switching element transmitting a DC voltage in response to a signal from the inverter controller, and a voltage booster for driving a lamp in response to a signal from the switching element, wherein the inverter controller includes a control block which generates the carrier signal and the lamp driving signal, a time constant setting block which determines a time constant of the carrier signal, and an initiation block which resets the time constant given by the time constant setting block.

摘要翻译： 一种用于显示器的逆变器包括： 产生用于脉冲宽度调制的载波信号的反相器控制器和通过基于载波信号对调光信号进行脉冲宽度调制的导通时间和关断时间的灯驱动信号，并且响应于 来自信号控制器的垂直同步信号和垂直同步开始信号中的至少一个，响应于来自逆变器控制器的信号发送DC电压的功率开关元件，以及响应于信号驱动灯的升压器 其中所述逆变器控制器包括产生载波信号和灯驱动信号的控制块，确定载波信号的时间常数的时间常数设定块，以及复位由 时间常数设置块。