JPS63170879U - - Google Patents

Description

[Brief explanation of drawings]

FIG. 1 is a perspective view of an embodiment of the present invention, FIG. 2 is a cross-sectional view taken along the line - - in FIG. 1, FIG. 3 is a diagram showing the illuminance distribution on the diffuser plate of the above embodiment,
6 to 6 are all cross-sectional views of other examples of the correction member used in the present invention, FIG. 7 is a diagram showing the illuminance distribution on the diffuser plate when the reflective surface of the correction member has a steep slope, and FIG. 9 is a perspective view of a conventional lighting device, FIG. 9 is a perspective view of a conventional thin lighting device, and FIG. 10 is a diagram showing the illuminance distribution on the diffuser plate of the lighting device of FIG. 1... Reflector, 2... Bottom plate, 3, 4... Side plate, 5, 6... Linear light source, 7... Reflection correction member,
8...Diffusion plate.

Claims (1)

[Scope of utility model registration request] a reflector comprising a flat or Fresnel bottom plate with a reflective inner surface, and side plate parts with reflective inner surfaces and arranged at an angle on both sides of the bottom plate; and a reflector arranged side by side at intervals within the reflector. A plurality of linear light sources, a reflection correction member whose surface is a reflective surface and which is arranged protruding from a bottom plate between the linear light sources, and a diffuser plate provided in front of the linear light sources so as to cover a reflector. A lighting device.