Series 4 blue shift on display

Merlin_the_mog

macrumors member
Original poster
Sep 24, 2016
45
18
Anyone else have a problem where their series 4 takes on a severe shift to blue when tilting the screen away at an angle?
My display is a nice even white colour when looking straight on, but when I tilt my arm away slightly, the screen gets very blue. It's particularly obvious when I set the Infogram face to have a white background.
This is my third Apple Watch, and none of the others did this (they kept an even white colour).
I'm trying to work out if this is a fault, or something that's common to all Series 4 watches.
Cheers,
Steve
 

Merlin_the_mog

macrumors member
Original poster
Sep 24, 2016
45
18
Bump :)

Anyone else have a problem where their series 4 takes on a severe shift to blue when tilting the screen away at an angle?
My display is a nice even white colour when looking straight on, but when I tilt my arm away slightly, the screen gets very blue. It's particularly obvious when I set the Infogram face to have a white background.
This is my third Apple Watch, and none of the others did this (they kept an even white colour).
I'm trying to work out if this is a fault, or something that's common to all Series 4 watches.
Cheers,
Steve
 

kidwei

macrumors regular
Sep 20, 2007
160
20
Just started my own thread on this when I found yours. Yes, absolutely. Blue shift on the 4 is much much more noticeable when compared to my series 2. I wonder if this is luck of the draw or if they changed the display tech a bit this time around, but it's pretty annoying.
 

Merlin_the_mog

macrumors member
Original poster
Sep 24, 2016
45
18
I wonder if this is luck of the draw or if they changed the display tech a bit this time around, but it's pretty annoying.
That's what I'd like to know too. Could do with checking some other watches in the Apple Store to find out, but there isn't one near me unfortunately.
 

pixelements

macrumors regular
Nov 18, 2013
147
99
Germany
They changed the display tech so save the battery life. You can google it.. Several youtube Reviews mentioned that. Its so called LTPO OLED now.
 

PBG4 Dude

macrumors 68030
Jul 6, 2007
2,891
2,155
I don’t consider this to be a problem per se, but I do see the blue shift in the white hour and minute hands as I angle the face away from my eyes.
 

kidwei

macrumors regular
Sep 20, 2007
160
20
They changed the display tech so save the battery life. You can google it.. Several youtube Reviews mentioned that. Its so called LTPO OLED now.
Interesting thanks. Is LTPO OLED known to suffer from more blue shift? I can certainly live with it but just trying to understand if this normal for the Series 4.
 

pixelements

macrumors regular
Nov 18, 2013
147
99
Germany
Interesting thanks. Is LTPO OLED known to suffer from more blue shift? I can certainly live with it but just trying to understand if this normal for the Series 4.
No idea. Just found this information:

Apple confirmed that it is using its patented LTPO backplane technology in these new AMOLED displays. Low-Temperature Polycrystalline Oxide (LTPO) combines both LTPS TFTs and Oxide TFTs (IGZO, Indium Gallium Zinc Oxide). LTPO can be around 5-15% more efficient compared to the currently-used LTPS backplanes, but is more complicated to produce and may have a lower pixel density. See here for more information on LTPO.
 
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