LIGHT DIFFUSER PLATE WITH LIGHT-COLLECTING LAYER

摘要

There is provided a light diffuser plate with a light-collecting layer, which is sufficiently prevented from flawing and which is used to make it possible to sufficiently ensure a luminance in a forward direction.;A light diffuser plate 3 with a light-collecting layer, according to the present invention, comprises a light-diffusing substrate 31 and a light-collecting sheet 32, which are disposed to be superposed on each other, and is wherein the light-diffusing substrate 31 and the light-collecting sheet 32 are jointed to each other by joint portions 34 which are so disposed as to be scattered over a whole plane of the light diffuser plate, and wherein an air layer 33 exists between the light-diffusing substrate 31 and the light-collecting sheet 32, in an area other than the joint portions 34.