40 Creative Light Bulb Logo Designs by Sonny M. Day | Last updated May 19, 2013 | Logos | 2 comments Light bulb logos signal new ideas and innovation and light bulbs are therefore popular elements in logo designs. A typical logo design is composed of two parts. One is the text and the other is the icon. Of the two, the text is more important because if carries the name of the brand. The icon on th