| 摘要 |
A semiconductor device includes a light-emitting layer of a first conductivity type, a second conductivity type or non-doped type, a first contact layer of the second conductivity type disposed on the light-emitting layer and supplied with a voltage via a predetermined contact, a second contact layer of the second conductivity type disposed below the light-emitting layer and supplied with a voltage via a predetermined contact, a first etching stopper layer of the first or second conductivity type disposed below the light-emitting layer and above the second contact layer, and a third contact layer of the first conductivity type disposed below the second contact layer and supplied with a voltage via a predetermined contact.
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