Pixel circuit and organic light emitting display device including the same

    公开(公告)号:US10068531B2

    公开(公告)日:2018-09-04

    申请号:US15161655

    申请日:2016-05-23

    Abstract: A pixel circuit includes an organic light emitting diode including an anode and a cathode connected to a low power voltage, a first transistor including a gate electrode, a first electrode connected to a high power voltage, and a second electrode connected to the anode, a storage capacitor connected between the high power voltage and the gate electrode of the first transistor, a second transistor including a first electrode which receives a data signal corresponding to an emission sustaining voltage or an emission finishing voltage, a second electrode connected to the gate electrode of the first transistor, and a gate electrode which receives an erase scan signal, and a third transistor including a first electrode connected to an emission starting voltage, a second electrode connected to the gate electrode of the first transistor, and a gate electrode which receives a write scan signal.

    Display device, system having the same, and pixel

    公开(公告)号:US09852691B2

    公开(公告)日:2017-12-26

    申请号:US14709814

    申请日:2015-05-12

    Inventor: Chang-Ho Hyun

    Abstract: A display device, system having the same, and pixel are disclosed. In one aspect, the display device includes a display panel including a plurality of pixels and a plurality of wireless power receivers. The display device also includes a wireless power transmitter configured to generate and wirelessly transmit power to the wireless power receivers. Each of the wireless power receivers is configured to wirelessly receive the power from the wireless power transmitter and provide a first power supply voltage to the pixels. The display device further includes a power supply configured to generate an initial power supply voltage and provide the initial power supply voltage to the wireless power transmitter.

    LOAD EFFECT COMPENSATION SYSTEM, DISPLAY DEVICE HAVING THE SAME, AND METHOD OF COMPENSATING LOAD EFFECT OF DISPLAY PANEL
    3.
    发明申请
    LOAD EFFECT COMPENSATION SYSTEM, DISPLAY DEVICE HAVING THE SAME, AND METHOD OF COMPENSATING LOAD EFFECT OF DISPLAY PANEL 审中-公开
    负载效应补偿系统,具有该装置的显示装置以及对显示面板的负载影响的补偿方法

    公开(公告)号:US20150339984A1

    公开(公告)日:2015-11-26

    申请号:US14522993

    申请日:2014-10-24

    Inventor: Chang-Ho Hyun

    Abstract: A load effect compensation system, display device having the same, and method of compensating load effect of display panel are disclosed. In one aspect, the load effect compensation system for a display device includes a light sensor operatively connected to a display panel and configured to detect an amount of light emitted from the display panel and a light converter configured to convert the detected amount of light into a load amount. The system also includes a data corrector configured to receive the load amount and an image signal and adjust grayscale values of the image signal based at least in part on the load amount.

    Abstract translation: 公开了一种负载效应补偿系统,具有该负载效应补偿系统的显示装置和补偿显示面板的负载效应的方法。 一方面,用于显示装置的负载效应补偿系统包括可操作地连接到显示面板并被配置为检测从显示面板发射的光量的光传感器,以及被配置为将检测到的光量转换为 负载量。 该系统还包括数据校正器,被配置为至少部分地基于负载量来接收负载量和图像信号并且调整图像信号的灰度值。

    STRETCHABLE DISPLAY DEVICES AND METHODS OF COMPENSATING LUMINANCE OF THE SAME
    4.
    发明申请
    STRETCHABLE DISPLAY DEVICES AND METHODS OF COMPENSATING LUMINANCE OF THE SAME 有权
    可伸缩显示装置及其相容化的方法

    公开(公告)号:US20160077553A1

    公开(公告)日:2016-03-17

    申请号:US14672011

    申请日:2015-03-27

    Inventor: Chang-Ho Hyun

    Abstract: A stretchable display device includes: a stretchable display panel including: pixels; a first resistive film extending in a first direction; and a second resistive film extending in a second direction; a scan driver to provide a scan signal to the pixels; a data driver to provide a data signal or a compensated data signal to the pixels; a row detection driver to detect a first current flowing through the first resistive film to generate a first detection signal; a column detection driver to detect a second current flowing through the second resistive film to generate a second detection signal; a compensation control signal generator to receive the first and the second detection signals to detect amounts of variations of the first and the second currents, and to generate a compensation control signal; and a timing controller to generate the compensated data signal based on the compensation control signal.

    Abstract translation: 可拉伸显示装置包括:可拉伸显示面板,包括:像素; 沿第一方向延伸的第一电阻膜; 以及沿第二方向延伸的第二电阻膜; 扫描驱动器,用于向像素提供扫描信号; 数据驱动器,用于向像素提供数据信号或补偿数据信号; 行检测驱动器,用于检测流过所述第一电阻膜的第一电流以产生第一检测信号; 列检测驱动器,用于检测流过第二电阻膜的第二电流以产生第二检测信号; 补偿控制信号发生器,用于接收第一和第二检测信号以检测第一和第二电流的变化量,并产生补偿控制信号; 以及定时控制器,用于根据补偿控制信号产生补偿数据信号。

    Display device, apparatus for compensating degradation and method thereof
    5.
    发明授权
    Display device, apparatus for compensating degradation and method thereof 有权
    显示装置,用于补偿劣化的装置及其方法

    公开(公告)号:US09047812B2

    公开(公告)日:2015-06-02

    申请号:US13780175

    申请日:2013-02-28

    Abstract: A display device includes: a plurality of pixels; a degradation compensator for using a temperature weight value for a reference temperature, a luminance weight value for a reference luminance, and a material weight value for a reference material, for calculating a reference using time when a degradation rate of the pixels is changed to a reference degradation rate of a reference degradation curve, and for generating a control variable according to the reference using time; and a power supply for controlling a voltage difference between a first power source voltage for supplying a driving current to the pixels and a second power source voltage according to the control variable.

    Abstract translation: 显示装置包括:多个像素; 使用用于参考温度的温度权重值,参考亮度的亮度权重值和参考物质的物料重量值的劣化补偿器,用于当将像素的劣化率改变为 参考降解曲线的参考劣化率,以及根据参考使用时间产生控制变量; 以及电源,用于根据控制变量来控制用于向像素提供驱动电流的第一电源电压和第二电源电压之间的电压差。

    Stretchable display devices and methods of compensating luminance of the same
    6.
    发明授权
    Stretchable display devices and methods of compensating luminance of the same 有权
    可拉伸显示装置及其补偿亮度的方法

    公开(公告)号:US09477339B2

    公开(公告)日:2016-10-25

    申请号:US14672011

    申请日:2015-03-27

    Inventor: Chang-Ho Hyun

    Abstract: A stretchable display device includes: a stretchable display panel including: pixels; a first resistive film extending in a first direction; and a second resistive film extending in a second direction; a scan driver to provide a scan signal to the pixels; a data driver to provide a data signal or a compensated data signal to the pixels; a row detection driver to detect a first current flowing through the first resistive film to generate a first detection signal; a column detection driver to detect a second current flowing through the second resistive film to generate a second detection signal; a compensation control signal generator to receive the first and the second detection signals to detect amounts of variations of the first and the second currents, and to generate a compensation control signal; and a timing controller to generate the compensated data signal based on the compensation control signal.

    Abstract translation: 可拉伸显示装置包括:可拉伸显示面板,包括:像素; 沿第一方向延伸的第一电阻膜; 以及沿第二方向延伸的第二电阻膜; 扫描驱动器,用于向像素提供扫描信号; 数据驱动器,用于向像素提供数据信号或补偿数据信号; 行检测驱动器,用于检测流过所述第一电阻膜的第一电流以产生第一检测信号; 列检测驱动器,用于检测流过第二电阻膜的第二电流以产生第二检测信号; 补偿控制信号发生器,用于接收第一和第二检测信号以检测第一和第二电流的变化量,并产生补偿控制信号; 以及定时控制器,用于根据补偿控制信号产生补偿数据信号。

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