Flexible display device and method for compensating image of flexible display device

    公开(公告)号:US10365690B2

    公开(公告)日:2019-07-30

    申请号:US15382068

    申请日:2016-12-16

    Abstract: A flexible display device according to example embodiments includes a rollable display panel, a housing accommodating the rollable display panel in a rolled state and including an opening portion through which the rollable display panel is pulled out, an optical sensor disposed at the opening portion and configured to detect luminance of the rollable display panel while the rollable display panel is rolled or unrolled, a controller configured to compensate image data based on detection data generated by the optical sensor, and a display panel driver configured to control a display of rollable display panel.

    Scan line driver
    15.
    发明授权

    公开(公告)号:US09646558B2

    公开(公告)日:2017-05-09

    申请号:US14708117

    申请日:2015-05-08

    Abstract: A scan line driver is disclosed. In one aspect, the scan line driver includes a driving signal generation circuit, an output line driving circuit, and a carry transfer circuit. The driving signal generation circuit is configured to generate first and second driving signals based on a plurality of clock signals and a carry signal from a previous scan line driver. The output line driving circuit is configured to generate a scan line enable signal based on the first and second driving signals. The carry transfer circuit is configured to generate a carry signal based on the first and second driving signals.

    SENSING DRIVING CIRCUIT AND DISPLAY DEVICE INCLUDING THE SAME
    16.
    发明申请
    SENSING DRIVING CIRCUIT AND DISPLAY DEVICE INCLUDING THE SAME 有权
    传感驱动电路和显示装置,包括它们

    公开(公告)号:US20160217728A1

    公开(公告)日:2016-07-28

    申请号:US14728843

    申请日:2015-06-02

    Abstract: A sensing driving circuit and a display device including the same are disclosed. In one aspect, the sensing driving circuit includes a plurality of stages configured to respectively output a plurality of sensing signals and including a (K)th stage and a (K+1)th stage. The (K)th stage includes a shift register configured to provide a (K)th carry signal to the (K+1)th stage; and a masking buffer configured to output a (K)th sensing signal. The masking buffer includes a first input circuit configured to provide i) an input signal to a first node based on a node driving signal and ii) a first power voltage to a second node based on the input signal and the node driving signal. The masking buffer also includes a node masking circuit configured to supply the first power voltage to the first node based on a masking signal.

    Abstract translation: 公开了一种感测驱动电路和包括该感测驱动电路的显示装置。 一方面,感测驱动电路包括分别输出多个检测信号并且包括第(K)级和第(K + 1)级的多级。 第(K)级包括:移位寄存器,被配置为向第(K + 1)级提供(K)进位信号; 以及被配置为输出第(K)个感测信号的掩蔽缓冲器。 屏蔽缓冲器包括第一输入电路,其被配置为基于节点驱动信号将i)输入信号提供给第一节点,以及ii)基于输入信号和节点驱动信号到第二节点的第一电力电压。 掩蔽缓冲器还包括被配置为基于掩蔽信号将第一电源电压提供给第一节点的节点屏蔽电路。

    PIXEL CIRCUIT AND ELECTROLUMINESCENT DISPLAY INCLUDING THE SAME
    17.
    发明申请
    PIXEL CIRCUIT AND ELECTROLUMINESCENT DISPLAY INCLUDING THE SAME 有权
    像素电路和电致发光显示器包括它们

    公开(公告)号:US20150348464A1

    公开(公告)日:2015-12-03

    申请号:US14535059

    申请日:2014-11-06

    Abstract: A pixel circuit and an electroluminescent display including the same are disclosed. In one aspect, the pixel circuit includes a scan transistor connected between a data line and a first node and having a gate electrode configured to receive a scan signal, a driving transistor connected between a first power supply voltage and a third node and having a gate electrode connected to a second node, an emission control transistor connected between the third node and a fourth node and having a gate electrode configured to receive an emission control signal, a light-emitting diode connected between the fourth node and a second power supply voltage less than the first power supply voltage, and a compensation circuit initializes the second node to an initial voltage during a first compensation period and electrically connects the second node to the third node during a second compensation period following the first compensation period.

    Abstract translation: 公开了一种像素电路和包括该像素电路的电致发光显示器。 在一个方面中,像素电路包括连接在数据线和第一节点之间的扫描晶体管,并且具有被配置为接收扫描信号的栅电极,连接在第一电源电压和第三节点之间并具有栅极的驱动晶体管 连接到第二节点的发射控制晶体管,连接在第三节点和第四节点之间并且具有被配置为接收发射控制信号的栅电极的发射控制晶体管,连接在第四节点与第二电源电压之间的发光二极管 并且补偿电路在第一补偿周期期间将第二节点初始化为初始电压,并且在第一补偿周期之后的第二补偿周期期间将第二节点电连接到第三节点。

    DISPLAY DEVICE AND METHOD FOR DRIVING THE SAME
    18.
    发明申请
    DISPLAY DEVICE AND METHOD FOR DRIVING THE SAME 有权
    显示装置及其驱动方法

    公开(公告)号:US20150302793A1

    公开(公告)日:2015-10-22

    申请号:US14504331

    申请日:2014-10-01

    Abstract: Each pixel of a display device includes: an organic light emitting diode between a first and a second power supply; a first transistor to transmit a drive current based on data signals; a second transistor to couple a gate electrode of the first transistor to the data line in response to a scan signal; a first capacitor between the first power supply and the gate electrode of the first transistor; a light receiving element coupled to a third power supply; a second capacitor between the light receiving element and a fourth power supply; a third transistor between the data line and a first electrode of the second capacitor, the third transistor including a gate electrode coupled to a selection signal line; and a fourth transistor between the fourth power supply and the third transistor, the fourth transistor including a gate electrode coupled to the first electrode of the second capacitor.

    Abstract translation: 显示装置的每个像素包括:在第一和第二电源之间的有机发光二极管; 基于数据信号传输驱动电流的第一晶体管; 第二晶体管,用于响应于扫描信号将第一晶体管的栅电极耦合到数据线; 所述第一电源和所述第一晶体管的栅电极之间的第一电容器; 耦合到第三电源的光接收元件; 在所述光接收元件和第四电源之间的第二电容器; 在所述数据线和所述第二电容器的第一电极之间的第三晶体管,所述第三晶体管包括耦合到选择信号线的栅电极; 以及在第四电源和第三晶体管之间的第四晶体管,第四晶体管包括耦合到第二电容器的第一电极的栅电极。

    PIXEL AND ORGANIC LIGHT EMITTING DISPLAY USING THE SAME
    19.
    发明申请
    PIXEL AND ORGANIC LIGHT EMITTING DISPLAY USING THE SAME 有权
    使用相同的像素和有机发光显示

    公开(公告)号:US20140198085A1

    公开(公告)日:2014-07-17

    申请号:US14148667

    申请日:2014-01-06

    Abstract: A pixel includes an organic light emitting diode, a first driver and a second driver. The second driver controls an amount of current supplied from a first power source to the organic light emitting diode, corresponding to a previous data signal. The first driver stores a current data signal supplied from a data line and supplies the previous data signal to the second driver. In the pixel, the second driver includes a sixth transistor coupled between an initialization power source and a first node coupled to a gate electrode of a first transistor, the sixth transistor being configured to turn on when a first control signal is supplied; and a seventh transistor coupled between the first power source and a second node commonly coupled to the first and second drivers, the seventh transistor being configured to turn on when the first control signal is supplied.

    Abstract translation: 像素包括有机发光二极管,第一驱动器和第二驱动器。 第二驱动器控制从先前数据信号对应于从第一电源向有机发光二极管提供的电流量。 第一驱动器存储从数据线提供的当前数据信号,并将先前的数据信号提供给第二驱动器。 在像素中,第二驱动器包括耦合在初始化电源和耦合到第一晶体管的栅电极的第一节点之间的第六晶体管,第六晶体管被配置为当提供第一控制信号时导通; 以及耦合在所述第一电源和共同耦合到所述第一和第二驱动器的第二节点之间的第七晶体管,所述第七晶体管被配置为当所述第一控制信号被提供时导通。

    Display panel and display device including the same

    公开(公告)号:US12223863B2

    公开(公告)日:2025-02-11

    申请号:US17903468

    申请日:2022-09-06

    Inventor: Hai-Jung In

    Abstract: A display panel includes a pixel connected to a scan line and a data line, and a lighting test circuit which provides a lighting test voltage to the pixel through the data line. The lighting test circuit includes a first test transistor including a first electrode which receives the lighting test voltage, a second electrode and a gate electrode which receives a first test control signal, and a second test transistor including a first electrode connected to the second electrode of the first test transistor, a second electrode connected to the data line and a gate electrode which receives a second test control signal.

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