Patent ID: 11921311
Assignee: NITTO DENKO CORPORATION
Field: Semiconductors (Electrical engineering)
Classification: CPC G  H | IPC F  G

Claim 0:
1. A lighting apparatus, comprising:
an LED package;
a light guide plate, which includes a main surface serving as a light emission surface, and a side surface serving as a light entrance surface, and which is arranged so that the side surface is opposed to the LED package; and
a low-refractive index layer arranged between the LED package and the light guide plate;
where the lighting apparatus further includes an adhesion layer and a base materials;
the adhesion layer, the low-refractive index layer, and the base material are arranged in the stated order between the LED package and the light guide plate; and
a total of a thickness of the base material and a thickness of the adhesion layer is 85% or more with respect to a total of a thickness of the low-refractive index layer, the thickness of the base material, and the thickness of the adhesion layer.