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    • 1. 发明申请
    • Organic electro-luminescence display device and method of driving the same
    • 有机电致发光显示装置及其驱动方法
    • US20060055632A1
    • 2006-03-16
    • US11212668
    • 2005-08-29
    • Won HaHak Kim
    • Won HaHak Kim
    • G09G3/14
    • G09G3/3216G09G3/3283G09G5/02G09G2300/06G09G2310/0248G09G2310/027G09G2320/0223G09G2320/0233G09G2330/021G09G2330/025G09G2360/16
    • The present invention relates to an organic electro-luminescence display device and a method of driving the same that is adaptive for reducing power consumption by removing an unnecessary current as well as for improving a uniformity of a display screen. An organic electro-luminescence display device according to an embodiment of the present invention includes: a display panel in which a plurality of data lines and a plurality of scan lines cross each other and electro-luminescence elements are arranged at the crosses; a pre-charge driver, which detects a gray level of digital video data to be realized at a Nth when a data current corresponding to a gray level of digital video data to be realized at a (N−1)th and calculates a pre-charge current corresponding to the detected gray level of digital video data to supply the calculated pre-charge current to the electro-luminescence elements; a data driver for supplying data to the electro-luminescence elements charged with the pre-charge current; and a scan driver for supplying a san pulse, synchronized with the data, to the scan lines.
    • 本发明涉及一种有机电致发光显示装置及其驱动方法,其适用于通过去除不需要的电流以及提高显示屏的均匀性来降低功耗。 根据本发明实施例的有机电致发光显示装置包括:显示面板,其中多条数据线和多条扫描线彼此交叉,电致发光元件布置在十字处; 预充电驱动器,其在与第(N-1)次要实现的数字视频数据的灰度级相对应的数据电流时,在第N次时检测要实现的数字视频数据的灰度级, 对应于检测到的数字视频数据的灰度级的充电电流,以将计算的预充电电流提供给电致发光元件; 数据驱动器,用于向装有预充电电流的电致发光元件提供数据; 以及扫描驱动器,用于将与数据同步的san脉冲提供给扫描线。
    • 3. 发明申请
    • Electro-Luminescence display device and driving method thereof
    • 电致发光显示装置及其驱动方法
    • US20050168417A1
    • 2005-08-04
    • US11046803
    • 2005-02-01
    • Won HaHak KimJae LeeKi KimJung SeoHyun Kim
    • Won HaHak KimJae LeeKi KimJung SeoHyun Kim
    • H01L51/50G09G3/20G09G3/30G09G3/32G09G3/36H03K17/00H03M1/66H05B33/08H05B33/14
    • G09G3/2011G09G3/2022G09G3/2081G09G3/3233G09G3/3291G09G3/3655G09G2300/0842G09G2300/0866G09G2310/027G09G2320/043
    • There is disclosed an electro-luminescence display device that is adaptive for preventing picture quality deterioration by operating a thin film transistor for an electro-luminescence cell drive at a non-saturation area to compensate a threshold voltage, and a driving method thereof. An electro-luminescence display device according to an embodiment of the present invention includes an electro-luminescence cell connected between a first supply voltage source and a ground voltage source to emit light by a current supplied from the first supply voltage source; a cell driver formed every intersection of gate lines and data lines and connected between the first supply voltage source and the electro-luminescence cell to control a current flowing in the pixel cell; and a pulse supplier supplies to the electro-luminescence cell a pulse amplitude modulation signal which is divided to have N (N is a natural number) numbers of different voltage levels from each other, and wherein the driving thin film transistor operates at the non-saturation region.
    • 公开了一种电致发光显示装置,其适用于通过在非饱和区域上操作用于电致发光单元驱动的薄膜晶体管来补偿阈值电压来防止图像质量劣化,以及其驱动方法。 根据本发明实施例的电致发光显示装置包括连接在第一电源电压源和地电压源之间的电致发光单元,用于通过从第一电源电压源提供的电流发光; 连接在第一电源电压源和电致发光单元之间的每一个栅极线和数据线的交点处形成单元驱动器,以控制流过像素单元的电流; 并且脉冲供应器向电致发光单元提供被分割为彼此具有不同电压电平的N(N是自然数)个数的脉冲幅度调制信号,并且其中驱动薄膜晶体管在非易失性存储器 饱和区。
    • 6. 发明申请
    • Gamma voltage generating apparatus
    • 伽玛电压发生装置
    • US20050062736A1
    • 2005-03-24
    • US10900374
    • 2004-07-28
    • Won HaEun ParkHak Kim
    • Won HaEun ParkHak Kim
    • H01L51/50G09G3/20G09G3/30G09G3/32G09G3/36G09G5/00H05B33/14
    • G09G3/20G09G3/3208G09G2320/0276G09G2320/0666G09G2320/0673G09G2330/028
    • A gamma voltage generating apparatus for reducing the number of parts to simplify a structure thereof is disclosed. The apparatus is operated in various modes such that a brightness value can be changed in correspondence with an external environment. A red gamma voltage generator has at least one variable resistor to generate a plurality of red gamma voltages and control the plurality of red gamma voltages such that said brightness value can be changed in correspondence with each of said various modes. A green gamma voltage generator has at least one variable resistor to generate a plurality of green gamma voltages and control the plurality of green gamma voltages such that said brightness value can be changed in correspondence with each of said various modes. A blue gamma voltage generator has at least one variable resistor to generate a plurality of blue gamma voltages and control the plurality of blue gamma voltages such that said brightness value can be changed in correspondence with each of said various modes.
    • 公开了一种用于减少部件数量以简化其结构的伽马电压产生装置。 该装置以各种模式操作,使得可以根据外部环境改变亮度值。 红色伽马电压发生器具有至少一个可变电阻器以产生多个红色伽马电压并控制多个红色伽马电压,使得所述亮度值可以根据所述各种模式中的每一种而改变。 绿色伽马电压发生器具有至少一个可变电阻器以产生多个绿色伽马电压并且控制多个绿色伽马电压,使得可以根据所述各种模式中的每一种来改变所述亮度值。 蓝色伽马电压发生器具有至少一个可变电阻器以产生多个蓝色伽马电压并且控制多个蓝色伽马电压,使得可以根据所述各种模式中的每一种来改变所述亮度值。
    • 7. 发明申请
    • Electro-luminescence display device
    • 电致发光显示装置
    • US20050078066A1
    • 2005-04-14
    • US10962487
    • 2004-10-13
    • Hak KimWon Ha
    • Hak KimWon Ha
    • H01L51/50G09F9/00G09F9/30G09G3/20G09G3/30G09G3/32H01L27/32
    • G09G3/3266G09G3/3233G09G3/3241G09G3/3275G09G2300/0842G09G2310/0224
    • An electro-luminescence display device for maximizing an area of a picture display part provided on a certain size of substrate is disclosed. In the electro-luminescence display device, an electro-luminescence display part has a plurality of pixels arranged for each area defined by intersections between gate lines and data lines provided on a substrate. A first gate driver is provided at the left side of the electro-luminescence display part to drive a portion of the gate lines. A second gate driver is provided at the right side of the electro-luminescence display part to drive the remaining gate lines other than said portion of the gate lines. A data driver is provided at any one of the upper and lower sides of the electro-luminescence display part to drive the data lines.
    • 公开了一种用于使设置在一定尺寸的基板上的图像显示部分的面积最大化的电致发光显示装置。 在电致发光显示装置中,电致发光显示部具有配置在由基板上设置的栅极线和数据线之间的交点限定的各区域的多个像素。 第一栅极驱动器设置在电致发光显示部分的左侧以驱动栅极线的一部分。 第二栅极驱动器设置在电致发光显示部分的右侧,以驱动除栅极线的所述部分之外的剩余栅极线。 数据驱动器设置在电致发光显示部的上侧和下侧的任意一侧,以驱动数据线。