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US06458476B1 Organic luminescence device with spiro compound 失效
有机发光装置与螺环化合物

Organic luminescence device with spiro compound
摘要:
An organic luminescence device is formed by disposing a layer of organic compound between a pair of an anode and a cathode. An organic luminescence device exhibiting orange to red luminescence at a good durability is provided by including an organic compound layer containing a spiro compound selected from a specific class, e.g., one represented by the following structural formula: wherein Rx represents
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