| 摘要 |
A lighting device includes first and second power source lines supplied with a driving current, first and second switching portions that respectively allow or prohibit supply of the driving current to the first and second power source lines, first and second current application lines respectively coupled with the first and second power source lines, first and second light-emitting element groups respectively disposed on the first and second current application lines, a driving portion coupled with the first and second current application lines and allowing flow of the driving current to the first and second current application lines, and a control portion that controls the first and second switching portions and the driving portion.
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