BOX ASSEMBLY FORMING MEMBER, BOX ASSEMBLY, PLANAR LIGHTING SOURCE DEVICE USING THIS BOX ASSEMBLY, AND PLANAR LIGHTING DEVICE

摘要

PROBLEM TO BE SOLVED: To provide a box assembly having a structure with bending portions difficult to be broken and a structure capable of being assembled easily as well as firmly.;SOLUTION: In the box assembly 1 composed of a bottom plate 2 and side plates 3 extending out from each side of the bottom plate 2, on each of the sides where each end of the side plates 3 contacts each other, there are provided, on one side, a first coupling part 9 composed of a first coupling tongue part 11 and a first coupling opening 12 formed on a tip end side of the first coupling tongue part 11, and, on the other side at a position corresponding to the first coupling part 9, a second coupling part 10 composed of a second coupling opening 13 into which the first coupling tongue part 11 is coupled and a second coupling tongue part 14 which extends out inside the second coupling opening 13 and couples into the first coupling opening 12.;COPYRIGHT: (C)2010,JPO&INPIT