As you can see by the clear ridged backbone and spinal discs of this mood lamp, the Jellephish has no relation to the invertebrate class of marine animals known as the Jellyfish. Hence the obvious spelling difference and the fact that one is a sea creature and the other is a lamp.
Made my Jellephish Design and distributed by Smart Candle, the Jellephish Mood Lamp uses processor controlled digital LED technology to illuminate the clear acrylic base and dome shaped head with an almost endless array of colors dependent on your mood. 
Set the lamp to casually scroll various colors, choose to keep a single static color, or my personal favorite, set the Jellephish’s sound activated feature.  The lamp will actually change with your music.  I happen to enjoy jamming out on the guitar while the Jellephish instantaneously changes with each pluck of the strings, it’s like having my own light show…very, very cool.

Includes the following:

• JellePhish Mood Lamp
• Stylish Acrylic Stand (Can also be surface Mounted)
• Power Supply
• Remote Control
• Functions Include: Sound Activated, Static Color, Scrolling, and Pearlescent
• JellePhish Link

The Jellephish Mood Lamp is freestanding using the acrylic base supplied, or the dome can be independently mounted flush against a wall.

Your first question might be “why?”, but I’ll then puerilely fire back, “why not“.  The real question is why haven’t we seen this design before?  The fact is, the flat bulb doesn’t take up as much space as a regular light bulb, it doesn’t roll around and break as easily as a regular light bulb, it’s easier to store and ship, and it provides the same amount of light as a regular light bulb…so again, why not? 

Displayed by Korean designer Joonhuyn Kim, at the 2008 100% Design Tokyo, the “Flat Bulb” doesn’t yet have a manufacturer, so you can’t run out and pick one up yet, but you can try to make your own by slowly applying pressure to both sides of a normal light bulb.