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LED Lighting for the Stage

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Presentation on theme: "LED Lighting for the Stage"— Presentation transcript:

1 LED Lighting for the Stage
Presented by: Mike Riordan

2 LED Stage Lighting. Why do we want it?

3 First we have to know what Light is…
What is Light?

4 First we have to know what Light is…
What is Light? Light is electromagnetic radiation within a certain portion of the electromagnetic spectrum. The word usually refers to visible light, which is visible to the human eye and is responsible for the sense of sight.

5 Describing Light Color Color Temperature (Degrees Kelvin)
Color Rendering Index (CRI)

6 Color 3 Ways to Say it RGB + CMY – HSI

7 Color Temperature What is White Light?

8 Color Rendering Index CRI is the most over looked aspect of quality of light.

9 Does your brain Hurt yet?
Why do I need to know this. I teach Theatre not Physics!

10 Types of Light Sources

11 Types of Light Sources

12 The Lighting Revolution

13 LED / Solid State Lighting

14

15 LED / Solid State Lighting
2 Main Types Constant Current Constant Voltage (The part that dies)

16 LED / Solid State Lighting
Control of LED’s Switched Phase Dimming 0-10v DMX Proprietary ANSI E USITT DMX512-A     Asynchronous Serial Digital Data Transmission Standard for Controlling Lighting Equipment and Accessories Theatre / Stage

17 Advantages of LED/SSL Low energy consumption Long life - 50K+ Hrs
Low Heat Color mixing Fewer Lights Durability

18 Disadvantages of LED/SSL
High upfront cost Power Control Data Control Color matching Drivers = weakest link Droop - higher current = lower efficacy Higher current = higher heat

19 LED Stage Lighting

20 LED Stage Lighting Using LEDs Effectively Intensity Color Direction
Movement

21 LED Stage Lighting Intensity LEDs are very bright Painful to look into
Colors are Brighter Additive vs subtractive Boosting with tungsten-halogen source

22 LED Stage Lighting Color RGB, RGBA, RGBW, RGBA+W, x7
Lime, yes Lime is the key to great whites and skintones RGBL, RGBACIL White: WW, CW, VW 3000K, 5600K, 2700K-6500K

23 LED Stage Lighting Direction Front, Key & Fill, McCandless
Down, Back, Foot, Up, Boarder Cyc (Asymmetric), Grazing, Blinders Practical, Direct View, Accent, Trim Patterns – Gobos (Texture)

24 LED Stage Lighting Movement But I don’t have Moving Lights!
Moving the actual beam of light is only one way What are other ways to create the feeling of Movement ?

25 I WANT MY LEDs 3 Key Questions Power? – NO DIMMERS!!
Data Distribution? – DMX to the Fixtures Control?

26 Power Switched Relay Modules Constant Power with Remote Relay

27 Data I Getting DMX to the Fixtures Hardwire / Splitters Wireless
Network / Gateways

28 Control I Multi-Parameter Fixtures Number of Address per Fixture
Fixture Personality Number of Universes

29 Data & Control II or DMX Basics DMX 512 DMX over CAT5
512 Address / Universe sACN 32 Fixtures per run DMX over Ethernet Must be Daisy Chain 64 Universes or 64,768 Address 1640’ (500m) 120 Ohm Termination Gateways Specific cable ARTNet

30 Network Design & Topology

31 Control III Console PC Based How productions are run Features / Size

32 LED House Lights H U G E upfront cost $$$$ Dimming range Flicker
Color?

33

34

35 LED Walls Media Servers Pixel Mapping

36 Media Servers

37 What’s Next?

38 Q & A


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