Which of the following LED colours is NOT present in an LED TV panel?

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RRB ALP CBT 2 Electronic Mechanic Previous Paper: Held on 23 Jan 2019 Shift 1
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  1. Green
  2. White
  3. Red
  4. Blue

Answer (Detailed Solution Below)

Option 2 : White
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Detailed Solution

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1) A LED display is a flat panel display that uses an array of light-emitting diodes as pixels for a video display. 

2) LED displays can offer higher contrast ratios than a projector and are thus an alternative to traditional projection screens. 

3) LED display consists of a matrix of red, green, and blue diodes. 

∴ Option 2 is the correct choice. 

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