Large electronic displays become more and more important and unreplaceable in new millennium. Because of its optical characteristics as well as long life time of LED lamps (more than 200.000 working hours) the possibility of their use is really wide. For example:
Large LED displays on sport stadiums and sport halls Large LED displays on urban squares and streets for displaying commercial messages Mobile LED displays mounted on various vehicles LED displays in shopping and business centers, fairs, crowded places, airports, train and bus station, banks, stock markets etc. 
MULTI COLOR LED SYSTEM CONFIGURATION Advanced Multi color LED displays with 32 bits technology and more than 4,3 billion colors. Basic colors: RED and GREEN with 65536 gradients each. Displays more than 4,3 billion colors, but white, blue, violet and cyan are not possible. High intensity LEDs and High quality picture under direct sunlight. Displays can be produced in any sizes (from 2-1000 m2) 
Multi-color LED with Water Clear Lens Type
Rectangular Common Cathode Multi-color LED Lamp, Measuring 2.0 x 5.0mm  
5W Power Multi-Color LED, Available in Cool White, Red, Green and Blue Colors  
PC Flashing Beaker Blink Mug with 19cm Height, Multi-color LED and 1,400mL Capacity
Fashionable Dazzling LED Sticks Flashing Light with Multi-color LED's  
USB Music Santa with Built-in Multi-color LED, Suitable for Home and office Use