JP2014150049A5

JP2014150049A5 -

Info

Publication number: JP2014150049A5
Application number: JP2013227289A
Authority: JP
Filing date: 2013-10-31
Publication date: 2015-12-24
Anticipated expiration: 2033-10-31

Claims

A light guide plate having an end surface and a first light exit surface;
A light source that is arranged along the end face and that receives light from the end face;
A first light incident surface that is disposed on the first light emitting surface side of the light guide plate and receives light emitted from the first light emitting surface, and a first light incident surface from which light incident from the first light incident surface is emitted. A diffuser having two light exit surfaces;
Have
The diffusion plate protrudes toward the light guide plate, and is provided at a position facing at least a peripheral portion on the end surface side where the light sources are arranged among peripheral portions of the first light emitting surface of the light guide plate. An illumination module comprising a convex portion having a second light incident surface on which light emitted from the portion is incident.

A light guide plate having an end surface and a first light exit surface;
A light source that is arranged along a part of the end face and that receives light from the end face;
A reflecting member that is disposed on a part of the end surface other than the end surface on which the light source is disposed, and that reflects the light emitted from the light source and incident on the light guide plate;
A first light incident surface that is disposed on the first light emitting surface side of the light guide plate and receives light emitted from the first light emitting surface, and a first light incident surface from which light incident from the first light incident surface is emitted. A diffuser having two light exit surfaces;
Have
The diffusion plate protrudes toward the light guide plate, and is provided at a position facing at least a peripheral portion on the end surface side where the light sources are arranged among peripheral portions of the first light emitting surface of the light guide plate. An illumination module comprising a convex portion having a second light incident surface on which light emitted from the portion is incident.

The illumination module according to claim 1 or 2,
A light shielding unit is provided between the peripheral edge and the second light incident surface to limit an amount of light emitted from the peripheral edge to be incident on the second light incident surface. Lighting module.

The lighting module according to claim 3.
The light shielding part is provided in an attachment member for attaching the light source to the illumination module.
An illumination module characterized by that.

In the illumination module according to any one of claims 1 to 4,
The light source comprises a plurality of light sources,
The light shielding part includes convex parts and concave parts arranged alternately along the arrangement direction of the plurality of light sources,
The light source is disposed within the formation range of the convex portion,
An illumination module characterized by that.

In the illumination module according to any one of claims 1 to 5,
The diffuser plate is provided with corrugated irregularities formed on the inner side surface facing the outer peripheral end surface of the ridge portion so as to be along the arrangement direction of the plurality of light sources.
An illumination module characterized by that.

In the illumination module according to any one of claims 1 to 5,
The diffusing plate includes a V-shaped groove that crosses the ridge on the light incident surface of the ridge.
An illumination module characterized by that.

In the panel type illumination module according to claim 7,
The diffuser plate has corrugated irregularities,
An illumination module characterized by that.

The illumination module according to any one of claims 1 to 8 ,
The light source is an LED light source,
An illumination module characterized by that.

A panel comprising a plurality of the illumination modules according to any one of claims 1 to 9 arranged so that end faces of the light guide plate on the side where the light source is not disposed are in close contact with each other. Type lighting device.