The brief introduction of the color changing led light bulb

   The color changing led light bulb is a new LED bulbs. Its shape and the same common incandescent bulbs, but is lit, it will automatically change color at a certain time. Circulation issued blue, yellow, green, purple, blue, red, white light. It is suitable for family birthday parties, holiday parties, New Year holidays, adding to the festive atmosphere of joy, can also be used for entertainment and for advertising lights. The color changing led light bulb is characterized, energy saving, long service life, easy to use, cheap price.
   Why does the LED bulb will automatically change color? The optical principle of change color: The color changing led light bulb is composed of red (R), green (G), blue (B) composed of three primary color LED. Two-color LED that we are very familiar with. General by the red LED and green LED composition. It can separate glow red or green.  If the red LED and green LED lit simultaneously. Red and green lights are mixed into a orange. The three primary colors LED were lit the two, it can emit yellow, purple, cyan light(such as red and blue LED lit simultaneously, emitted violet light); If the red, green, and blue LED lit simultaneously, it will to produce white light. If two of the three primary color LED is lit, the lit alone, or three LED lit simultaneously, can emit seven different colors of light.

The above article from Sourcechip official website (http://www.sc-ledlights.com/)
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