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    • 1. 发明授权
    • Organic light emitting diode display and driving method thereof
    • 有机发光二极管显示及其驱动方法
    • US08139002B2
    • 2012-03-20
    • US11819276
    • 2007-06-26
    • In Hwan KimSeung Chan ByunJin Hyoung Kim
    • In Hwan KimSeung Chan ByunJin Hyoung Kim
    • G09G3/30G09G5/00G09G3/10H01J29/16
    • G09G3/3208G09G3/2096G09G3/3225G09G3/3291G09G2310/0245G09G2310/0251G09G2320/0219G09G2320/0233G09G2320/0257
    • An organic light emitting diode display for removing a voltage which is charged into a gate electrode of a driving transistor before a current frame is changed to a next frame is disclosed. In the organic light emitting diode display, a display panel has a plurality of pixels that include an organic light emitting diode. A timing controller controls a driving timing of the inputted video data and controls a supply timing of a refresh voltage. A data driver converts a digital data which is outputted from the timing controller for a current frame into an analog data voltage to supply it to the pixels, and then supplies the refresh voltage to pixels which are selected among the pixels in accordance with a control of the timing controller. And a gate driver primarily supplies a scanning pulse for a first horizontal period of a current frame to select the pixels to be supplied with a data, and then secondarily supplies a scanning pulse for a second horizontal period of a current frame to select pixels to be supplied with the refresh voltage among the pixels in accordance with a control of the timing controller.
    • 公开了一种有机发光二极管显示器,用于去除在当前帧改变为下一帧之前被充电到驱动晶体管的栅电极中的电压。 在有机发光二极管显示器中,显示面板具有包括有机发光二极管的多个像素。 定时控制器控制输入的视频数据的驱动定时并控制刷新电压的供给定时。 数据驱动器将从当前帧的定时控制器输出的数字数据转换为模拟数据电压,以将其提供给像素,然后根据控制对像素中的选择的像素提供刷新电压 定时控制器。 并且,栅极驱动器主要为当前帧的第一水平周期提供扫描脉冲,以选择要提供的数据的像素,然后二次提供当前帧的第二水平周期的扫描脉冲,以选择要被 根据时序控制器的控制,在像素之间提供刷新电压。
    • 4. 发明申请
    • Organic light emitting diode display and driving method thereof
    • 有机发光二极管显示及其驱动方法
    • US20080012804A1
    • 2008-01-17
    • US11819469
    • 2007-06-27
    • In Hwan KimSeung Chan ByunJin-Hyoung Kim
    • In Hwan KimSeung Chan ByunJin-Hyoung Kim
    • G09G3/30
    • G09G3/3233G09G3/3275G09G2320/0233G09G2320/041G09G2320/043G09G2320/045
    • An organic light emitting diode display for minimizing a change of a driving current of R, G, and B organic light emitting diode devices to improve a display quality when a temperature within a panel is changed and an organic light emitting diode device is degraded, and a driving method thereof are disclosed.In the organic light emitting diode display, a panel has a plurality of R, G, and B organic light emitting diode devices. A driving voltage source generates a driving voltage. R, G, and B organic light emitting diode devices emit light by a current from the driving voltage source. And a driving current stabilizing circuit compares the driving voltage supplied to the R organic light emitting diode device with a first reference voltage to control a current, which flows into the R organic light emitting diode device. The driving current stabilizing circuit compares the driving voltage supplied to the G organic light emitting diode device with a second reference voltage to control a current, which flows into the G organic light emitting diode device. The driving current stabilizing circuit compares the driving voltage supplied to the B organic light emitting diode device with a third reference voltage to control a current, which flows into the B organic light emitting diode device.
    • 一种用于最小化R,G和B有机发光二极管装置的驱动电流变化的有机发光二极管显示器,以在面板内的温度改变并且有机发光二极管装置劣化时提高显示质量;以及 公开了其驱动方法。 在有机发光二极管显示器中,面板具有多个R,G和B有机发光二极管器件。 驱动电压源产生驱动电压。 R,G和B有机发光二极管器件通过来自驱动电压源的电流发光。 并且驱动电流稳定电路将提供给R有机发光二极管器件的驱动电压与第一参考电压进行比较,以控制流入R有机发光二极管器件的电流。 驱动电流稳定电路将提供给G有机发光二极管器件的驱动电压与第二参考电压进行比较,以控制流入G有机发光二极管器件的电流。 驱动电流稳定电路将提供给B有机发光二极管器件的驱动电压与第三参考电压进行比较,以控制流入B有机发光二极管器件的电流。
    • 5. 发明申请
    • Organic light emitting diode display and driving method thereof
    • 有机发光二极管显示及其驱动方法
    • US20080001863A1
    • 2008-01-03
    • US11819276
    • 2007-06-26
    • In Hwan KimSeung Chan ByunJin Hyoung Kim
    • In Hwan KimSeung Chan ByunJin Hyoung Kim
    • G09G3/32
    • G09G3/3208G09G3/2096G09G3/3225G09G3/3291G09G2310/0245G09G2310/0251G09G2320/0219G09G2320/0233G09G2320/0257
    • An organic light emitting diode display for removing a voltage which is charged into a gate electrode of a driving transistor before a current frame is changed to a next frame is disclosed. In the organic light emitting diode display, a display panel has a plurality of pixels that include an organic light emitting diode. A timing controller controls a driving timing of the inputted video data and controls a supply timing of a refresh voltage. A data driver converts a digital data which is outputted from the timing controller for a current frame into an analog data voltage to supply it to the pixels, and then supplies the refresh voltage to pixels which are selected among the pixels in accordance with a control of the timing controller. And a gate driver primarily supplies a scanning pulse for a first horizontal period of a current frame to select the pixels to be supplied with a data, and then secondarily supplies a scanning pulse for a second horizontal period of a current frame to select pixels to be supplied with the refresh voltage among the pixels in accordance with a control of the timing controller.
    • 公开了一种有机发光二极管显示器,用于去除在当前帧改变为下一帧之前被充电到驱动晶体管的栅电极中的电压。 在有机发光二极管显示器中,显示面板具有包括有机发光二极管的多个像素。 定时控制器控制输入的视频数据的驱动定时并控制刷新电压的供给定时。 数据驱动器将从当前帧的定时控制器输出的数字数据转换为模拟数据电压,以将其提供给像素,然后根据控制对像素中的选择的像素提供刷新电压 定时控制器。 并且,栅极驱动器主要为当前帧的第一水平周期提供扫描脉冲,以选择要提供的数据的像素,然后二次提供当前帧的第二水平周期的扫描脉冲,以选择要被 根据时序控制器的控制,在像素之间提供刷新电压。
    • 8. 发明授权
    • Organic light emitting diode display device and driving method thereof
    • 有机发光二极管显示装置及其驱动方法
    • US07978159B2
    • 2011-07-12
    • US11822022
    • 2007-06-29
    • In Hwan KimSeung Chan ByunJin Hyoung Kim
    • In Hwan KimSeung Chan ByunJin Hyoung Kim
    • G09G3/30
    • G09G3/3225G09G3/2022G09G2320/0276G09G2360/145G09G2360/148G09G2360/16
    • An organic light emitting diode display device for changing a gamma reference voltage step by step in accordance with an image brightness of a current frame to reduce damage with which the organic light emitting diode and the driving transistor thereof are applied is disclosed. In the organic light emitting diode display device, a brightness detector calculates a maximum brightness value of each pixel using inputted image data of current frame. An adder adds all maximum brightness values of each pixel which are detected by the brightness detector. An average value calculator calculates an average brightness value of a current frame using an added value of maximum brightness values which are added by the adder. A gamma weight calculator calculates a gamma reference voltage weight which is set to correspond to the calculated average brightness value among predetermined gamma reference voltage weights. And a gamma reference voltage generator changes a gamma reference voltage step by step in accordance with a gamma reference voltage weight which is calculated by the gamma weight calculator.
    • 公开了一种有机发光二极管显示装置,用于根据当前帧的图像亮度一步一步地改变伽马参考电压,以减少应用有机发光二极管及其驱动晶体管的损坏。 在有机发光二极管显示装置中,亮度检测器使用当前帧的输入图像数据来计算每个像素的最大亮度值。 加法器添加由亮度检测器检测的每个像素的所有最大亮度值。 平均值计算器使用由加法器相加的最大亮度值的相加值来计算当前帧的平均亮度值。 伽马加权计算器计算伽马参考电压权重,该伽马参考电压权重被设置为与预定伽马参考电压权重之间的计算出的平均亮度值相对应。 并且伽马参考电压发生器根据由伽马权重计算器计算的伽马参考电压权重逐步改变伽马参考电压。
    • 9. 发明授权
    • Light emitting display device
    • 发光显示装置
    • US07808459B2
    • 2010-10-05
    • US11476847
    • 2006-06-29
    • Myung Ho LeeSeong Ho BaikIn Hwan KimSeung Chan Byun
    • Myung Ho LeeSeong Ho BaikIn Hwan KimSeung Chan Byun
    • G09G3/30
    • G09G3/2007G09G3/3225G09G3/3648G09G2320/0276G09G2360/16
    • A display device includes a pixel circuit unit comprising a plurality of pixels to display an image, a data driver to supply data signals to the pixel circuit unit, a scan driver to supply scan signals to the pixel circuit unit, a black/white transition detector to detect a degree of black/white transition of the image, a gamma corrector to adjust the data signal by providing a gamma value to the data driver, and a timing controller to apply control signals to the data driver and the scan driver, receive the degree of black/white transition from the black/white transition detector, and provide a corrected gamma control signal to the gamma corrector according to the degree of black/white transition.
    • 显示装置包括:像素电路单元,包括用于显示图像的多个像素;向像素电路单元提供数据信号的数据驱动器;向像素电路单元提供扫描信号的扫描驱动器;黑/白转换检测器 以检测图像的黑/白转换程度,伽马校正器,以通过向数据驱动器提供伽马值来调整数据信号;以及定时控制器,以将控制信号施加到数据驱动器和扫描驱动器,接收 从黑/白转换检测器的黑/白转换程度,并根据黑/白转换的程度向伽马校正器提供校正的伽马控制信号。