Patent ID: 11913637
Assignee: MINEBEA MITSUMI IN.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC F  G | IPC F

Claim 11:
12. A planar illumination device comprising:
a substrate provided with a plurality of light sources at one surface side;
a reflector provided at the one surface side of the substrate; and
a bottom frame provided at a surface side of the substrate opposite to the one surface side, wherein
the substrate includes a reflective sheet on the one surface side, the reflective sheet being different from the reflector,
the reflector includes a reflector opening exposing a head part of the light source to the one surface side,
the reflective sheet includes a sheet opening exposing the head part of the light source to the one surface side, and
the sheet opening is smaller than the reflector opening.