LED Stage Lighting Uses

- Jul 28, 2017 -

Uses

LED instruments can and have been used to replace any conventional lighting fixture, and some shows, such as Radiohead's 2008 tour, have used only LED lighting instruments. However, most shows use LEDs only for lighting cycloramas, or as top, side or back light. They can also be used as 'audience blinders' (lights pointed directly at the audience from a low angle).

Advantages

The 2008 Concordia College Christmas Concert used LED instruments to light the murals.

LED instruments can contain a number of different coloured LEDs, often red, green and blue, and different light output colours can be achieved by adjusting the intensity of each LED color group. LED instruments should have a long service life relative to other options, without the expense of colour gel or replacement lamps.

LED instruments are increasingly used for live music events, most notably festivals where they are more visible than conventional lighting under daylight. LED instruments were prominently used for the Live Earth festival as they are regarded as more environmentally friendly as fixture for fixture they use far less power than other lighting.

Another advantage of LED instruments is that they can be controlled directly using DMX and do not require additional dimmers; the intensity of the LEDs being adjusted by circuitry on board the fixture. Because of their low power consumption several units can be daisy chained to one power supply.

Due to low heat output, LED instruments can be used in areas where the high amount of heat conventional stage fixtures put off would not be ideal. For this reason, LED instruments are used to light ice sculptures, especially when lighting the sculptures from within.

Disadvantages



A comparison of two American DJ 64 LED Pro fixtures vs a single PAR-54 GE 300 watt medium flood incandescent.

LED instruments cannot be used to create a hard edged beam, which is needed for gobos and other effects which require the use of an ellipsoidal reflector spotlight,though LED fixtures are now made that through the use of a small number of high-output diodes now allow the beam to be focused to a "hard edge", allowing full use of gobo/beam effects. Because color mixing is done using three or more colors of LEDs, mixed colors will have multiple edges to shadows where different colors are showing; however, several manufacturers have introduced instruments that group three or more LEDs behind a single lens to make the multiple shadow lines less noticeable.


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