CPC F21V 19/003 (2013.01) | 10 Claims |
1. A back panel for a lighting device for holding a light-emitting panel for lighting with a front panel, the light-emitting panel having a length, a width, and a thickness that are orthogonal to each other, and being sandwiched by the back panel in a thickness direction of the light-emitting panel, the back panel comprising:
a panel main body disposed along a back surface on a side opposite to a light-emitting surface of the light-emitting panel at a time of holding the light-emitting panel, the time when the light-emitting panel is held by the back panel for a lighting device; and
a front panel holding portion that holds the front panel at a position where the front panel sandwiches the light-emitting panel with the panel main body at the time of holding the light-emitting panel, wherein
the front panel holding portion includes a first spacer portion and a second spacer portion that are to be placed between the front panel and the panel main body to form a gap that houses the light-emitting panel between the front panel and the panel main body,
the first and second spacer portions are separably attached to the panel main body,
the first spacer portion extends along a first end in a width direction of the light-emitting panel over the entire length of the light-emitting panel, and
the second spacer portion extends along a second end in the width direction of the light-emitting panel over the entire length of the light-emitting panel.
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