Driving circuit for an OLED (organic light emission diode), in particular for a display of the AM-OLED type
    3.
    发明授权
    Driving circuit for an OLED (organic light emission diode), in particular for a display of the AM-OLED type 有权
    用于OLED(有机发光二极管)的驱动电路,特别是AM-OLED型显示器

    公开(公告)号:US08111217B2

    公开(公告)日:2012-02-07

    申请号:US12019577

    申请日:2008-01-24

    Abstract: A driving circuit of an OLED diode is inserted between a first and a second voltage reference and having at least one input terminal receiving an input voltage signal and an output terminal for the generation of a driving current of the OLED diode, the driving circuit having at least one driver transistor having a first conduction terminal connected to the first voltage reference, a second conduction terminal connected to the output terminal and a control terminal connected to at least one first capacitor and one second capacitor. The first capacitor is inserted between this control terminal and an inner circuit node and the second capacitor is inserted between the inner circuit node and the second voltage reference, the driving circuit 10 further including: a first switch inserted between the input terminal and the inner circuit node; a second switch inserted between the first conduction terminal and control terminal of the driver transistor, and a third switch inserted between the inner circuit node and the second voltage reference, in parallel to the second capacitor, as well as a fourth switch inserted between the first voltage reference and the first conduction terminal of the driver transistor.

    Abstract translation: OLED二极管的驱动电路插入在第一和第二参考电压之间并具有接收输入电压信号的至少一个输入端和用于产生OLED二极管的驱动电流的输出端,驱动电路具有 至少一个驱动晶体管具有连接到第一参考电压的第一导通端子,连接到输出端子的第二导通端子和连接到至少一个第一电容器和一个第二电容器的控制端子。 第一电容器插入在该控制端子和内部电路节点之间,并且第二电容器插入在内部电路节点和第二电压基准之间,驱动电路10还包括:插入在输入端子和内部电路之间的第一开关 节点; 插入驱动晶体管的第一导通端子和控制端子之间的第二开关和插入在内部电路节点和第二参考电压之间的第三开关并联于第二电容器,以及插入在第一和第二开关之间的第四开关 电压基准和驱动晶体管的第一导通端子。

    DRIVING CIRCUIT FOR AN OLED (ORGANIC LIGHT EMISSION DIODE), IN PARTICULAR FOR A DISPLAY OF THE AM-OLED TYPE
    4.
    发明申请
    DRIVING CIRCUIT FOR AN OLED (ORGANIC LIGHT EMISSION DIODE), IN PARTICULAR FOR A DISPLAY OF THE AM-OLED TYPE 有权
    用于OLED(有机发光二极管)的驱动电路,特别是AM-OLED类型的显示

    公开(公告)号:US20080211746A1

    公开(公告)日:2008-09-04

    申请号:US12019577

    申请日:2008-01-24

    Abstract: A driving circuit of an OLED diode is inserted between a first and a second voltage reference and having at least one input terminal receiving an input voltage signal and an output terminal for the generation of a driving current of the OLED diode, the driving circuit having at least one driver transistor having a first conduction terminal connected to the first voltage reference, a second conduction terminal connected to the output terminal and a control terminal connected to at least one first capacitor and one second capacitor. The first capacitor is inserted between this control terminal and an inner circuit node and the second capacitor is inserted between the inner circuit node and the second voltage reference, the driving circuit 10 further including: a first switch inserted between the input terminal and the inner circuit node; a second switch inserted between the first conduction terminal and control terminal of the driver transistor, and a third switch inserted between the inner circuit node and the second voltage reference, in parallel to the second capacitor, as well as a fourth switch inserted between the first voltage reference and the first conduction terminal of the driver transistor.

    Abstract translation: OLED二极管的驱动电路插入在第一和第二参考电压之间并具有接收输入电压信号的至少一个输入端和用于产生OLED二极管的驱动电流的输出端,驱动电路具有 至少一个驱动晶体管具有连接到第一参考电压的第一导通端子,连接到输出端子的第二导通端子和连接到至少一个第一电容器和一个第二电容器的控制端子。 第一电容器插入在该控制端子和内部电路节点之间,并且第二电容器插入在内部电路节点和第二电压基准之间,驱动电路10还包括:插入在输入端子和内部电路之间的第一开关 节点; 插入驱动晶体管的第一导通端子和控制端子之间的第二开关和插入在内部电路节点和第二参考电压之间的第三开关并联于第二电容器,以及插入在第一和第二开关之间的第四开关 电压基准和驱动晶体管的第一导通端子。

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