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A Method for Current Spreading Analysis
and Electrode Pattern Design in LightEmitting Diodes
Sungmin Hwang and Jongin Shim, Member, IEEE
IEEE TRANSACTIONS ON ELECTRON DEVICES, VOL. 55, NO. 5,
MAY 2008
報告者：B.J.Hu
Outline
I.
II.
III.
IV.
V.
Introduction
Experimental
Results and Discussion
Conclusion
References
Introduction
We report a method that informs both the 2-D light
emission pattern on an entire LED surface and a 3-D current
flow in a LED structure.
The current crowding effect is directly related to the LED
chip reliability.