期刊
JOURNAL OF THE KOREAN PHYSICAL SOCIETY
卷 53, 期 5, 页码 2857-2860出版社
KOREAN PHYSICAL SOC
DOI: 10.3938/jkps.53.2857
关键词
Widegap semiconductor; ZnSe white LEDs; All-solid state white LED long-operation ZnSe white LEDs; Current pulse-width control
A new current pulse-width control for long-lived ZnSe-white LEDs is presented. Using the defect controlling technique together with high quality ZnSe white LED, it is proved that bright ZnSe white LEDs have exhibited long device life-time exceeding 20000 hrs for its in practical use. It is also evidenced that the present current pulse-width control is not limited in the ZnSe system, but very effective for other widegap semiconductor bright and long-live light emitting devices of GaN and ZnO.
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