According to the process and

 According to the process and the aluminum plate and the anti-luminous.

  MR16 

    5) LED (Display): The earliest to do with the display and digital display used

T8 Tube

    By shape: 1, 2, 3, 4, etc.

    Surface color: gray vinyl surface, but also have a black face white plastic, etc.

    Polarity: common cathode, common anode

    The same color and the LED can do many kinds.

LED Flexi 

    6) matrix (LEDDotMatrix): This product and digital control are similar applications in the information displayed. Their spacing and diameter of the holes are different products have changed, and now generally divided into 5 * 7 and 8 * 8, and its colors are monochrome, color, three-color and so on.