Author Topic: "Ghosting" artifact on NHD-1.69-160128ASC3  (Read 549 times)

jakobhalskov

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"Ghosting" artifact on NHD-1.69-160128ASC3
« on: May 17, 2018, 04:43:23 AM »
Hi Newhaven Display,

I recently purchased your NHD-1.69-160128ASC3 OLED display, which is very nice to work with.

However I expreience a ghosting artifact/problem, which is best described bv looking at the attached image. The horizontal grey bar is drawn as one solid box, but when lighting up pixels brightly next to it is is dimmed in the coresponding rows. Is this normal behaviour or can it be fixed?

Note that the display is rotated 90 degrees. The diagonal lines is just created by my camera and should not be taken into account.


Sergio_M

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Re: "Ghosting" artifact on NHD-1.69-160128ASC3
« Reply #1 on: June 06, 2018, 05:00:24 PM »
What you are seeing is normal behavior, to a certain extant. This is a passive matrix OLED display and when drawing certain images / patterns on the screen you can see a difference in brightness between some pixels depending on their location on the screen. While this cannot be completely avoided, you can try optimizing the pixels brightness in your software.

 

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