Photodiodes; Digital signage; Electronic digital signboards; Electronic LED signs; Flashing and steady safety lights; Illuminated exit signs; Life belts; Light emitting diodes (LEDs); Luminous variable/dynamic signs using light emitting diodes and electronic controllers to produce real-time and programmable messages and information displays; Neon signs; Organic light emitting diodes (OLED); Power adapters; Power supply connectors and adaptors for use with portable electronic devices; Road sig...