Abstract: The disclosure provides an electronic device, including a circuit board, multiple semiconductor components, a first light reflecting structure, and a second light reflecting structure. The circuit board includes a substrate, and the substrate may have a first surface and at least one side surface. The multiple semiconductor components are disposed on the first surface. The first light reflecting structure is disposed on the first surface. The second light reflecting structure is disposed on the first surface and the at least one side surface.

Abstract: The present invention relates to a decorative patterned apparatus, which includes a basic patterned frame composed by rods and connected with bulb assemblies at interval. The improvement of the present invention is to provide a colorful layer to cover the patterned frame. The colorful layer is penetrable to light. The apparatus can thus display the original construction for decorative whenever in the daytime or at night.

Abstract: The present invention relates to a CD rack, which includes several rack units. Each rack unit can store CD and/or DVD cases. The rack units are capable of being engaged easily together to form a rack system for storing more CD cases. The rack units of the rack system can be disassembled and stored with only a small space.