Ключевые слова: black, bright, bulb, contour, creativity, design, diode, economical, economy, efficiency, electric, electrical, electricity, element, energy, filled bulb, flat, fluorescent, glass, glyph, icon, idea, illuminated, illumination, innovation, inspiration, invention, isolated, lamp, led, light, lightbulb, lightemitting, logo, luminosity, nature, power, print, saving, sign, silhouette, simple, solution, symbol, technology, web,