In order that those skilled in the art can further understand the present invention, a description will be provided in the following in details. However, these descriptions and the appended drawings are only used to cause those skilled in the art to understand the objects, features, and characteristics of the present invention, but not to be used to confine the scope and spirit of the present invention defined in the appended claims.
Referring to
An acrylic panel 4 has a U shape cross section. A lower end of each of two lateral sides of the acrylic panel 4 is protruded downwards with connecting block 41.
A back plate 3 made of acrylonitrile-butadience styrene plastics is included. Each end of two lateral sides of the back plate 3 has a reduced section corresponding to the reduced section of the acrylic panel.
A light source 31 is placed within the back plate 3.
In assembly, the reduced section of the acrylic panel 4 is combined to the reduced section of the back plate 3 by melting the connecting block 41 using supersonic technology.
With reference to
Advantages of the present invention are that no screw and screw hole are used so that the product has a beautiful outlook. Thereby the cost is low and thus it can be produced rapidly. Moreover, the connection of the acrylic panel and back plate can be performed easily.
The present invention is thus described, it will be obvious that the same may be varied in many ways. Such variations are not to be regarded as a departure from the spirit and scope of the present invention, and all such modifications as would be obvious to one skilled in the art are intended to be included within the scope of the following claims.