本文对几组蓝宝石衬底GaN基白光二极管(LED)施加了1000V静电击打后,对未失效的LED分别采用30、50和70mA的驱动电流进行老化实验,研究对比了1000V的静电对蓝宝石衬底GaN基白光LED老化寿命的影响,并对相关实验现象进行了分析.通过计算得出:直接老化和施加1000V静电后再老化,蓝宝石衬底GaN基白光LED的寿命分别为460和446小时,其结果表明在1000V范围内施加不同的静电对未失效的LED寿命没有明显的影响,但静电后失效的LED会产生漏电和光输出功率明显降低现象.
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