| 摘要 |
A display device (10) has two interlocked contrasting elements. A first, display, element (12) includes indicia and a first locking member (18). The second, background, element (14) includes a second locking member (26) complementarily shaped to conform to the shape of the first locking member. The first locking member has two portions (20, 24). The first portion (20) is a waffle plate which tapers from top to bottom. The second portion (24) includes a plurality of frusto-conical pads (30) disposed beneath nodes of the waffle plate of the second portion (24). |
