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Optoelectronics/Displays

Identify electrically overstressed LEDs (Part 2)

Posted: 27 May 2014  Print Version  Bookmark and Share

Keywords:LEDs  electrical overstress  EOS  Structure 2  Structure 3 

[Summary of tips] Structure 2 LEDs use both vias and metal contacts. Figure 1 shows the structure of these LEDs.These LEDs follow closely behind the Structure 3 components in terms of maximum withstand power, and this is most likely due to the use of vias. Multiple vias increase current spreading, which in turn reduces the current density. Since......
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