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    • 6. 发明授权
    • Organic electroluminescent device
    • 有机电致发光器件
    • US07227313B2
    • 2007-06-05
    • US11080883
    • 2005-03-15
    • Johannes N. HuibertsLoic C. A. MourierPeter Van De WeijerCoen T. H. F. LiedenbaumMartinus H. W. M. Van Delden
    • Johannes N. HuibertsLoic C. A. MourierPeter Van De WeijerCoen T. H. F. LiedenbaumMartinus H. W. M. Van Delden
    • G09G3/10
    • H01L51/5012G01R31/2642
    • The invention provides a tool to select reliable organic LED devices, where the risk for failure before the end of its lifetime is low. This tool comprises the steps of: i) subjecting the device to a high electric field over the electroluminescent layer. This leads to a division of the devices into two, clearly separated, populations, namely one population with a low leakage current (current through the electroluminescent layer in reverse voltage operation) and one population with a high leakage current. In this step, the first population is selected in accordance with a current criterion. ii) detecting instabilities in the leakage current, referred to as noise. It has been established that these instabilities arise in particular at reverse driving voltages between 1 and 10 Volts. These instabilities are a measure of the occurrence of early failures during operation. In this step, the devices are selected in accordance with a noise criterion.
    • 本发明提供了一种用于选择可靠的有机LED器件的工具,其中在其寿命结束之前故障的风险低。 该工具包括以下步骤:i)使器件在电致发光层上经受高电场。 这导致将器件分成两个明确分离的群体,即具有低泄漏电流的一个群体(反向电压操作中通过电致发光层的电流)和具有高泄漏电流的一个群体。 在该步骤中,根据当前标准选择第一群体。 ii)检测泄漏电流的不稳定性,称为噪声。 已经确定,这些不稳定性特别地在1至10伏之间的反向驱动电压下产生。 这些不稳定性是测量手术期间早期失败的发生。 在该步骤中,根据噪声标准来选择装置。
    • 7. 发明授权
    • Organic electroluminescent device
    • 有机电致发光器件
    • US06525484B1
    • 2003-02-25
    • US09666888
    • 2000-09-22
    • Johannes N. HuibertsLoic C. A. MourierPeter Van De WeijerCoen T. H. F. LiedenbaumMartinus H. W. M. Van Delden
    • Johannes N. HuibertsLoic C. A. MourierPeter Van De WeijerCoen T. H. F. LiedenbaumMartinus H. W. M. Van Delden
    • G09G310
    • H01L51/5012G01R31/2642
    • The invention provides a tool to select reliable organic LED devices, where the risk for failure before the end of its lifetime is low. This tool comprises the steps of: i) subjecting the device to a high electric field over the electroluminescent layer. This leads to a division of the devices into two, clearly separated, populations, namely one population with a low leakage current (current through the electroluminescent layer in reverse voltage operation) and one population with a high leakage current. In this step, the first population is selected in accordance with a current criterion. ii) detecting instabilities in the leakage current, referred to as noise. It has been established that these instabilities arise in particular at reverse driving voltages between 1 and 10 Volts. These instabilities are a measure of the occurrence of early failures during operation. In this step, the devices are selected in accordance with a noise criterion.
    • 本发明提供了一种用于选择可靠的有机LED器件的工具,其中在其寿命结束之前故障的风险低。 该工具包括以下步骤:i)使器件在电致发光层上经受高电场。 这导致将器件分成两个明确分离的群体,即具有低泄漏电流的一个群体(反向电压操作中通过电致发光层的电流)和具有高泄漏电流的一个群体。 在该步骤中,根据当前标准选择第一群体.ii)检测泄漏电流的不稳定性,称为噪声。 已经确定,这些不稳定性特别地在1至10伏之间的反向驱动电压下产生。 这些不稳定性是测量手术期间早期失败的发生。 在该步骤中,根据噪声标准来选择装置。