Patent ID: 11879634
Assignee: MITSUBISHI ELECTRIC CORPORATION
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC F  G  H  E | IPC F

Claim 11:
12. The illumination device according to claim 6, wherein
the frame-like member includes a light reflection member,
the light source is arranged to make light enter the frame-like member from a front side of the frame-like member when a surface of the frame-like member on a side facing the space is defined to be on the front side and a side opposite to the front side is defined as a back side, and
the first light restriction member includes a second light restriction member that is arranged in the dark part region or a region corresponding to the dark part region in an optical path until the light emitted from the light source enters a front surface of the frame-like member and is emitted again from the front surface as light heading for the space and absorbs or transmits at least a part of incident light or deflects at least a part of the incident light into an angle not heading for the space.