Power control device and method for a display device
    11.
    发明授权
    Power control device and method for a display device 有权
    用于显示装置的功率控制装置和方法

    公开(公告)号:US09257072B2

    公开(公告)日:2016-02-09

    申请号:US14046724

    申请日:2013-10-04

    Inventor: Sang-Myeon Han

    Abstract: Disclosed is a power control device for a display device, including: a current scaling factor calculation unit calculating a current scaling factor according to an input data signal and a load of the input data signal; a data scaling unit generating a data scaling factor based on the current scaling factor and scaling a data signal corresponding to light emitting gradation of a pixel; and a gamma scaling unit generating a gamma scaling factor based on the current scaling factor and scaling a gamma value for gamma correction of a data signal.

    Abstract translation: 公开了一种用于显示装置的功率控制装置,包括:电流比例因子计算单元,根据输入数据信号和输入数据信号的负载来计算电流缩放因子; 数据缩放单元,其基于当前缩放因子生成数据缩放因子并缩放对应于像素的发光等级的数据信号; 以及伽马缩放单元,其基于当前缩放因子生成伽马缩放因子,并且缩放用于数据信号的伽马校正的伽马值。

    DISPLAY DEVICE AND DRIVING METHOD THEREOF
    12.
    发明申请
    DISPLAY DEVICE AND DRIVING METHOD THEREOF 有权
    显示装置及其驱动方法

    公开(公告)号:US20140071112A1

    公开(公告)日:2014-03-13

    申请号:US13736282

    申请日:2013-01-08

    Inventor: Sang-Myeon Han

    CPC classification number: G06F3/038 G09G3/325 H04N13/341

    Abstract: A display device comprising a display panel including a plurality of pixels configured to write a first image data signal corresponding to a corresponding frame for a first frame and emits light according to driving current depending on a second image data signal corresponding to a previous frame is disclosed. In one aspect, the first frame includes a reset period of resetting data voltage according to the second image data signal, a compensating period of compensating threshold voltages of driving transistors of the pixels, a data writing period of transferring scan signals corresponding to the pixels in sequence, writing the first image data signal, and a light emitting period of simultaneously emitting light according to the second image data signal, wherein the data writing period and the light emitting period frame are overlap each other.

    Abstract translation: 公开了一种显示装置,其包括显示面板,其包括多个像素,所述多个像素被配置为写入对应于第一帧的相应帧的第一图像数据信号,并且根据与先前帧对应的第二图像数据信号的驱动电流发光。 。 一方面,第一帧包括根据第二图像数据信号重置数据电压的复位周期,补偿像素驱动晶体管的阈值电压的补偿周期,将与像素对应的扫描信号传送的数据写入周期 写入第一图像数据信号,以及根据第二图像数据信号同时发光的发光周期,其中数据写入周期和发光周期帧彼此重叠。

    Organic light emitting diode display and driving method thereof
    15.
    发明授权
    Organic light emitting diode display and driving method thereof 有权
    有机发光二极管显示及其驱动方法

    公开(公告)号:US09576527B2

    公开(公告)日:2017-02-21

    申请号:US13971625

    申请日:2013-08-20

    Inventor: Sang-Myeon Han

    Abstract: An organic light emitting diode display includes a plurality of pixels configured to store a first data signal received through a corresponding data line during a scan period and to emit light according to a second data signal during a light emitting period of a frame, wherein the first data signal corresponds to the frame and the second data signal corresponds to a previous frame, and the scan period overlaps the light emitting period.

    Abstract translation: 有机发光二极管显示器包括多个像素,其被配置为存储在扫描周期期间通过对应的数据线接收的第一数据信号,并且在帧的发光周期期间根据第二数据信号发光,其中第一 数据信号对应于帧,第二数据信号对应于前一帧,并且扫描周期与发光周期重叠。

    Pixel, including a link transistor, display device including the same, and driving method thereof
    16.
    发明授权
    Pixel, including a link transistor, display device including the same, and driving method thereof 有权
    像素,包括链路晶体管,包括其的显示装置及其驱动方法

    公开(公告)号:US09153178B2

    公开(公告)日:2015-10-06

    申请号:US13776373

    申请日:2013-02-25

    Inventor: Sang-Myeon Han

    CPC classification number: G09G3/34 G09G3/3233 G09G2300/0861

    Abstract: A display device including a display unit having a plurality of pixels is disclosed. In one aspect, at least one first pixel among the pixels includes: a first compensation capacitor including one electrode connected to a data line and the other electrode connected to a first node; a first switching transistor including a gate electrode configured to have a scan signal, one electrode connected to the first node, and the other electrode connected to a second node; a first driving transistor including a gate electrode connected to the second node, one electrode connected to a first power source voltage, and the other electrode connected to a first organic light emitting diode (OLED); and a first link transistor including a gate electrode configured to have a link control signal, one electrode connected to the data line, and the other electrode connected to the first power source voltage. Pixels of the type with four transistors may be alternated with pixels of the type having three transistors (no link transistor) according to a desired aspect ratio.

    Abstract translation: 公开了一种包括具有多个像素的显示单元的显示装置。 一方面,像素中的至少一个第一像素包括:第一补偿电容器,包括连接到数据线的一个电极和连接到第一节点的另一个电极; 第一开关晶体管,其包括被配置为具有扫描信号的栅极电极,连接到第一节点的一个电极和连接到第二节点的另一个电极; 第一驱动晶体管,包括连接到第二节点的栅极电极,连接到第一电源电压的一个电极,以及连接到第一有机发光二极管(OLED))的另一个电极。 以及第一链路晶体管,其包括被配置为具有链路控制信号的栅电极,连接到数据线的一个电极和连接到第一电源电压的另一个电极。 具有四个晶体管的类型的像素可以根据期望的宽高比与具有三个晶体管(无链路晶体管)的类型的像素交替。

    Display device and driving method thereof
    17.
    发明授权
    Display device and driving method thereof 有权
    显示装置及其驱动方法

    公开(公告)号:US09152252B2

    公开(公告)日:2015-10-06

    申请号:US13736282

    申请日:2013-01-08

    Inventor: Sang-Myeon Han

    CPC classification number: G06F3/038 G09G3/325 H04N13/341

    Abstract: A display device comprising a display panel including a plurality of pixels configured to write a first image data signal corresponding to a corresponding frame for a first frame and emits light according to driving current depending on a second image data signal corresponding to a previous frame is disclosed. In one aspect, the first frame includes a reset period of resetting data voltage according to the second image data signal, a compensating period of compensating threshold voltages of driving transistors of the pixels, a data writing period of transferring scan signals corresponding to the pixels in sequence, writing the first image data signal, and a light emitting period of simultaneously emitting light according to the second image data signal, wherein the data writing period and the light emitting period frame are overlap each other.

    Abstract translation: 公开了一种显示装置,其包括显示面板,其包括多个像素,所述多个像素被配置为写入对应于第一帧的相应帧的第一图像数据信号,并且根据与先前帧对应的第二图像数据信号的驱动电流发光。 。 一方面,第一帧包括根据第二图像数据信号重置数据电压的复位周期,补偿像素驱动晶体管的阈值电压的补偿周期,将与像素对应的扫描信号传送的数据写入周期 写入第一图像数据信号,以及根据第二图像数据信号同时发光的发光周期,其中数据写入周期和发光周期帧彼此重叠。

    ORGANIC LIGHT EMITTING DIODE DISPLAY AND DRIVING METHOD THEREOF
    18.
    发明申请
    ORGANIC LIGHT EMITTING DIODE DISPLAY AND DRIVING METHOD THEREOF 有权
    有机发光二极管显示及其驱动方法

    公开(公告)号:US20140307010A1

    公开(公告)日:2014-10-16

    申请号:US13971625

    申请日:2013-08-20

    Inventor: Sang-Myeon Han

    Abstract: An organic light emitting diode display includes a plurality of pixels configured to store a first data signal received through a corresponding data line during a scan period and to emit light according to a second data signal during a light emitting period of a frame, wherein the first data signal corresponds to the frame and the second data signal corresponds to a previous frame, and the scan period overlaps the light emitting period.

    Abstract translation: 有机发光二极管显示器包括多个像素,其被配置为存储在扫描周期期间通过对应的数据线接收的第一数据信号,并且在帧的发光周期期间根据第二数据信号发光,其中第一 数据信号对应于帧,第二数据信号对应于前一帧,并且扫描周期与发光周期重叠。

    Organic light emitting diode (OLED) pixel, display device including the same and driving method thereof

    公开(公告)号:US09495913B2

    公开(公告)日:2016-11-15

    申请号:US14619384

    申请日:2015-02-11

    Inventor: Sang-Myeon Han

    Abstract: An organic light emitting diode (OLED) display device includes a plurality of OLED pixels. In one aspect, each pixel respectively includes a first capacitor connected between a data line and a first node, a switching transistor connecting the first node and a second node, a second capacitor connected between the second node and a third node, a driving transistor having a gate electrode connected to the third node and controlling a driving current flowing from a first power source voltage to an OLED, and a reference voltage transistor transmitting a reference voltage to the first node. When a light emitting step occurs in which the OLED emits light, it is simultaneously performed in a plurality of pixels by use of a driving current, the switching transistor is turned off and the reference voltage transistor is turned on such that the reference voltage is transmitted to the first node, and a data voltage corresponding to a scan signal of a gate-on voltage respectively corresponding to a plurality of pixels is stored to the first capacitor. Aspects also include pixel circuits and methods of driving the pixels in the display.

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