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    • 3. 发明授权
    • Light emitting diode display device
    • 发光二极管显示装置
    • US08427397B2
    • 2013-04-23
    • US12498722
    • 2009-07-07
    • Yong-Il KwonKyoung-Don WooJae-Do Lee
    • Yong-Il KwonKyoung-Don WooJae-Do Lee
    • G09G3/14
    • G09G3/3233G09G2300/0465G09G2300/0842G09G2310/0254G09G2310/061G09G2320/043
    • The present disclosure relates to a light emitting diode display device which can prevent a drive switching device from degrading. The light emitting diode display device includes a plurality of pixel cells each having a light emitting diode, a plurality of data lines for transmission of data signal having information on a picture, a plurality of gate lines for transmission of a gate signal having a gate high voltage, a first gate low voltage, and a second gate low voltage having a polarity opposite to the data signal, wherein the gate high voltage, the first gate low voltage and the second gate low voltage having potentials different from one another wherein each of the pixel cells includes a signal transmission switching device for connecting the data line to a node according to the first gate high voltage from the gate line, a drive switching device for controlling an intensity of a drive current being supplied to the light emitting diode according to a signal state of the node, a storage capacitor connected between the node and a source electrode or a drain electrode of the drive switching device, and a control switching device for connecting the gate line to the node in response to the second gate low voltage from the gate line and a control signal from a control line.
    • 本公开涉及一种能够防止驱动切换装置劣化的发光二极管显示装置。 发光二极管显示装置包括多个像素单元,每个像素单元具有发光二极管,多条数据线用于传输具有关于图像的信息的数据信号,多个栅极线用于传输具有栅极高的栅极信号 电压,第一栅极低电压和与数据信号极性相反的第二栅极低电压,其中栅极高电压,第一栅极低电压和第二栅极低电压具有彼此不同的电位,其中, 像素单元包括用于根据来自栅极线的第一栅极高电压将数据线连接到节点的信号传输切换装置,用于根据第一栅极高电压来控制提供给发光二极管的驱动电流的强度的驱动开关装置 节点的信号状态,连接在节点与驱动切换装置的源电极或漏电极之间的存储电容器,以及控制 l开关装置,用于响应于来自栅极线的第二栅极低电压和来自控制线的控制信号将栅极线连接到节点。
    • 4. 发明授权
    • Organic light emitting diode display device
    • 有机发光二极管显示装置
    • US08373689B2
    • 2013-02-12
    • US12647847
    • 2009-12-28
    • Hye-Min ParkKyoung-Don WooHyun LeeSang-Woo Seo
    • Hye-Min ParkKyoung-Don WooHyun LeeSang-Woo Seo
    • G09G5/00
    • G09G3/3233G09G2330/028H02M3/158
    • An organic light emitting diode display device capable of achieving a considerable reduction in power consumption by generating a drive signal only for a period, in which the drive signal is actually required, is disclosed. The organic light emitting diode display device includes a DC-DC converter including a switching element to generate a drive signal by controlling an input voltage under a control of a logic, and a driver to supply, to pixels, the drive signal generated from the DC-DC converter in accordance with a timing. The logic includes an AND circuit to AND a control signal for drive signal generation and an output control signal maintained at a logic-high voltage only for a period in which the drive signal is to be supplied, and to supply a result of the ANDing operation.
    • 公开了一种有机发光二极管显示装置,其能够通过仅在实际需要驱动信号的周期内产生驱动信号来实现功率消耗的显着降低。 有机发光二极管显示装置包括DC-DC转换器,其包括开关元件,以通过在逻辑控制下控制输入电压来产生驱动信号,以及驱动器向像素提供从DC产生的驱动信号 -DC转换器按照时序。 该逻辑包括与电路AND和用于驱动信号产生的控制信号和仅在提供驱动信号的时段内保持在逻辑高电压的输出控制信号,并且提供“与”操作的结果 。
    • 5. 发明申请
    • LIGHT EMITTING DIODE DISPLAY DEVICE
    • 发光二极管显示装置
    • US20100006783A1
    • 2010-01-14
    • US12498722
    • 2009-07-07
    • Yong-Il KwonKyoung-Don WooJae Do Lee
    • Yong-Il KwonKyoung-Don WooJae Do Lee
    • G02B27/00
    • G09G3/3233G09G2300/0465G09G2300/0842G09G2310/0254G09G2310/061G09G2320/043
    • The present disclosure relates to a light emitting diode display device which can prevent a drive switching device from degrading. The light emitting diode display device includes a plurality of pixel cells each having a light emitting diode, a plurality of data lines for transmission of data signal having information on a picture, a plurality of gate lines for transmission of a gate signal having a gate high voltage, a first gate low voltage, and a second gate low voltage having a polarity opposite to the data signal, wherein the gate high voltage, the first gate low voltage and the second gate low voltage having potentials different from one another wherein each of the pixel cells includes a signal transmission switching device for connecting the data line to a node according to the first gate high voltage from the gate line, a drive switching device for controlling an intensity of a drive current being supplied to the light emitting diode according to a signal state of the node, a storage capacitor connected between the node and a source electrode or a drain electrode of the drive switching device, and a control switching device for connecting the gate line to the node in response to the second gate low voltage from the gate line and a control signal from a control line.
    • 本公开涉及一种能够防止驱动切换装置劣化的发光二极管显示装置。 发光二极管显示装置包括多个像素单元,每个像素单元具有发光二极管,多条数据线用于传输具有关于图像的信息的数据信号,多个栅极线用于传输具有栅极高的栅极信号 电压,第一栅极低电压和与数据信号极性相反的第二栅极低电压,其中栅极高电压,第一栅极低电压和第二栅极低电压具有彼此不同的电位,其中, 像素单元包括用于根据来自栅极线的第一栅极高电压将数据线连接到节点的信号传输切换装置,用于根据第一栅极高电压来控制提供给发光二极管的驱动电流的强度的驱动开关装置 节点的信号状态,连接在节点与驱动切换装置的源电极或漏电极之间的存储电容器,以及控制 l开关装置,用于响应于来自栅极线的第二栅极低电压和来自控制线的控制信号将栅极线连接到节点。
    • 6. 发明申请
    • ORGANIC LIGHT EMITTING DIODE DISPLAY DEVICE
    • 有机发光二极管显示装置
    • US20110001731A1
    • 2011-01-06
    • US12647847
    • 2009-12-28
    • Hye-Min ParkKyoung-Don WooHyun LeeSang-Woo Seo
    • Hye-Min ParkKyoung-Don WooHyun LeeSang-Woo Seo
    • G06F3/038
    • G09G3/3233G09G2330/028H02M3/158
    • An organic light emitting diode display device capable of achieving a considerable reduction in power consumption by generating a drive signal only for a period, in which the drive signal is actually required, is disclosed. The organic light emitting diode display device includes a DC-DC converter including a switching element to generate a drive signal by controlling an input voltage under a control of a logic, and a driver to supply, to pixels, the drive signal generated from the DC-DC converter in accordance with a timing. The logic includes an AND circuit to AND a control signal for drive signal generation and an output control signal maintained at a logic-high voltage only for a period in which the drive signal is to be supplied, and to supply a result of the ANDing operation.
    • 公开了一种有机发光二极管显示装置,其能够通过仅在实际需要驱动信号的周期内产生驱动信号来实现功率消耗的显着降低。 有机发光二极管显示装置包括DC-DC转换器,其包括开关元件,以通过在逻辑控制下控制输入电压来产生驱动信号,以及驱动器向像素提供从DC产生的驱动信号 -DC转换器按照时序。 该逻辑包括与电路AND和用于驱动信号产生的控制信号和仅在提供驱动信号的时段内保持在逻辑高电压的输出控制信号,并且提供“与”操作的结果 。