Concept. It's the letter D and a lightbulb. So there's that going for it. Idea by Ryan Ford
Logos of the Alphabet - letter A logo - Attido Logo
Jedyne Wyjście by 1910 Design & Communication , via Behance
Mike DiLuigi Logo Animation Check out the full version: https://vimeo.com/143918904
LACK magazine identity / 2011 by kissmiklos
Arrow | Logo Design | Negative Space
Creative Business Logo Designs for Inspiration # 42
Very, very clever.