| 摘要 |
As an aspect of an embodiment, an electric discharge lamp unit includes a casing which houses an integrated circuit for lighting an electric discharge lamp, and a support member which supports the electric discharge lamp and is integrated with the casing. The casing is filled with filler. The center of the support member in the vertical direction is higher than the center of the casing in the vertical direction and the center of the integrated circuit in the vertical direction.
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