iPhone XR PWM or DC? Any News?

Discussion in 'iPhone' started by Lawney, Oct 28, 2018.

  1. Lawney macrumors newbie

    Joined:
    Feb 24, 2011
    #1
    So the biggest question for many of us is whether or not the new iPhone XR uses PWM or DC to dim its LCD screen. Has there been any news to this effect now that it has been available for a couple of days?
     
  2. zx128k macrumors regular

    zx128k

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    Oct 27, 2018
    #2
  3. Closingracer macrumors 68040

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    Jul 13, 2010
    #3
    PWM is an OLED issue... the XR is not using OLED so....
     
  4. WilliamG macrumors G3

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    Seattle
    #4
    PWM is not just an OLED issue.
     
  5. Closingracer macrumors 68040

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    Jul 13, 2010
    #5
    It is when we are talking about Apple LCD vs Apple OLED. Apple has never used it on their lcd displays and it wouldn’t change now over a decade later
     
  6. WilliamG macrumors G3

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    Mar 29, 2008
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    Seattle
    #6
    But that’s not what you... oh never mind.
     
  7. Closingracer macrumors 68040

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    Jul 13, 2010
    #7
    Are we talking about HTC here or an Apple product? An Apple product I think ? If so why would it matter if a HTC M8 ( chose a random LCD display phone that isn’t made by Apple with no knowledge of if it has it or not ) uses it or not ? It doesn’t matter since Apple has never done it and as such why would the XR has it ...
     
  8. zx128k, Oct 28, 2018
    Last edited: Oct 28, 2018

    zx128k macrumors regular

    zx128k

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    Oct 27, 2018
    #8
    I think they use high frequency PWM on the MacBook/MacBook Pro’s LCD’s at lower brightness settings.
     
  9. WilliamG macrumors G3

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    Mar 29, 2008
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    Seattle
    #9

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9 October 28, 2018