DRIVING CIRCUIT OF LIGHT EMITTING DIODES HAVING AT LEAST ONE BYPASS CIRCUIT, AND DRIVING METHOD THEREOF
    3.
    发明申请
    DRIVING CIRCUIT OF LIGHT EMITTING DIODES HAVING AT LEAST ONE BYPASS CIRCUIT, AND DRIVING METHOD THEREOF 审中-公开
    具有至少一个旁路电路的发光二极管的驱动电路及其驱动方法

    公开(公告)号:US20120262074A1

    公开(公告)日:2012-10-18

    申请号:US13425412

    申请日:2012-03-20

    IPC分类号: H05B37/02

    CPC分类号: H05B33/083

    摘要: A driving circuit of light emitting diodes includes a power supply circuit, at least one bypass circuit, and a temperature control circuit. The power supply circuit is used for providing a driving voltage to at least one series of light emitting diodes. Each bypass circuit of the at least one bypass circuit is used for being turned on when an ambient temperature is lower than a predetermined temperature. The temperature control circuit is coupled to the at least one bypass circuit for detecting the ambient temperature, and sending a control signal to the at least one bypass circuit when the ambient temperature is lower than the predetermined temperature. Therefore, the driving voltage can still drive the at least one series of light emitting diodes when the ambient temperature is lower than the predetermined temperature.

    摘要翻译: 发光二极管的驱动电路包括电源电路,至少一个旁路电路和温度控制电路。 电源电路用于向至少一系列的发光二极管提供驱动电压。 当环境温度低于预定温度时,所述至少一个旁路电路的每个旁路电路用于接通。 温度控制电路耦合到至少一个旁路电路,用于检测环境温度,并且当环境温度低于预定温度时,将控制信号发送到至少一个旁路电路。 因此,当环境温度低于预定温度时,驱动电压仍能驱动至少一系列的发光二极管。

    Packaging method for organic polymer EL displays
    9.
    发明授权
    Packaging method for organic polymer EL displays 有权
    有机聚合物EL显示器的包装方法

    公开(公告)号:US06383048B1

    公开(公告)日:2002-05-07

    申请号:US09480469

    申请日:2000-01-10

    IPC分类号: H05B3300

    摘要: Disclosed is a novel packaging method for organic polymer EL displays characterized by passivating the organic polymer EL display with a heat-dissipating layer by sputtering deposition. By using this heat-dissipating layer, the heat generated by the EL display can be dissipated. In addition, this passivating and heat-dissipating layer can prevent the cathode and the polymer luminant layer from reacting to the oxygen and moisture in the air, thereby the degradation of the polymer EL display can be eliminated. Moreover, a packaging shell with grids set inside or covering layer consisting of material with high thermal conductivity is formed on the top of the heat-dissipating layer to consolidate the structure of the heat-dissipating mechanism and enhance the effect of heat-dissipation.

    摘要翻译: 公开了一种用于有机聚合物EL显示器的新型包装方法,其特征在于通过溅射沉积用散热层钝化有机聚合物EL显示器。 通过使用该散热层,可以消除由EL显示器产生的热量。 此外,该钝化散热层可以防止阴极和聚合物发光体层与空气中的氧气和水分反应,从而可以消除聚合物EL显示器的劣化。 此外,在散热层的顶部形成具有设置在内部的网格的包装壳或由导热性高的材料构成的覆盖层,以固化散热机构的结构,增强散热效果。