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OLED 4K 30" 60 Hz - Dell UP3017Q - Page 56

post #551 of 627
The display that could have been mad.gif
post #552 of 627
I panicked too early.

I took a look through a 30x handheld microscope. The earlier RGB stripe picture is generally correct, but it's hard to notice one particular detail, which is that the red stripes alternate their location in every column. That is, they are staggered vertically depending upon which column you are looking at.

I think that is the cause of the unusual diagonal pattern I see with my eyes.

Edit: This appears to use a BGR pattern, but it is an artifact of the microscope.

Edited by JR676 - 4/30/17 at 6:38pm
post #553 of 627
does this have HDCP 2.2 support?
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post #554 of 627
Quote:
Originally Posted by hrockh View Post

does this have HDCP 2.2 support?
Wiki says you need DP (or mini DP) 1.3 to have HDCP 2.2. And the Dell 30 only has mini DP 1.2. But that doesn't rule out HDCP 2.2 just yet:

I'm trying to find out on the net if HDMI 2.0 which the Dell has is good enough for HDCP 2.2. HDMI 2.0a supports HDCP 2.2 according to various sites. Cnet doesn't come out and directly say if HDMI 2.0a or above is the minimum for HDCP 2.2. Cnet says it depends on the brand/type of monitor if HDMI 2.0 will or won't support it. So far it doesn't answer your question, or I can't find the right info.
post #555 of 627
HDMI 2.0a should only be needed for HDR metadata - plain old HDMI 2.0 should be able to do HDCP 2.2.
 
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post #556 of 627
I got the Dell UP3017Q a few weeks ago. (I ordered it essentially as soon as I heard it announced that it's available.) I came across this thread today as I was checking to see whether any professional reviews or tests of the monitor showed up online yet. (Perhaps surprisingly, not a single one actually.) After reading through the last few pages of comments here, I noticed the uncertainty about the pixel structure of the monitor, so I thought I'd paste a couple of photos here to help out the thread.

Here's the closest shot I'm able to take of the pixel structure:



As this makes clear, the pixel structure is not pentile. One thing to notice, though, is the fact that (for lack of better terminology) where the red subpixels "break" on each "column" alternates. This is what creates the impression of a visible pixel structure. One poster I noticed on this thread who explained it as a "diamond pattern" is spot on, for that reason, in my opinion. Here's a wider version of the preceding shot to demonstrate this effect:



If you ask my personal opinion of this "visible pixel structure", it doesn't bother me one bit. This is when viewing the monitor no closer than a foot and a half. However, I should add that this is the closest I can get to the monitor and see it clearly without using reading glasses. It's noticeable when you get in close and take a critical look (with glasses, in my case), but would be bothersome under normal usage conditions only to users who are especially sensitive, in my opinion.
post #557 of 627
Quote:
Originally Posted by guney View Post

Here's the closest shot I'm able to take of the pixel structure:

Hmm... does remind me a bit of that "sort of Pentile" Samsung structure, the one on the right here:

post #558 of 627
Quote:
Originally Posted by Omicron View Post

Quote:
Originally Posted by guney View Post

Here's the closest shot I'm able to take of the pixel structure:

Hmm... does remind me a bit of that "sort of Pentile" Samsung structure, the one on the right here:

How? It's completely different. It's closer to a more normative structure, such as IPS or TN, than to pentile.
    
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post #559 of 627
Quote:
Originally Posted by ToTheSun! View Post

How? It's completely different. It's closer to a more normative structure, such as IPS or TN, than to pentile.

First, ignore the left as that is regular pentile. It reminds me a bit of the one on the right that Samsung used for a few displays, the "stripe" pattern. The only main difference is that the red section is the longest, and this is arranged a little more like regular RGB subpixels instead of having a R/G section over each other vertically. But it is important to note it's not quite regular RGB.

Just trying to speculate on who the panels are from for this monitor to see if consistency issues are coming from that.
post #560 of 627
Quote:
Originally Posted by guney View Post

I got the Dell UP3017Q a few weeks ago. (I ordered it essentially as soon as I heard it announced that it's available.) I came across this thread today as I was checking to see whether any professional reviews or tests of the monitor showed up online yet. (Perhaps surprisingly, not a single one actually.) After reading through the last few pages of comments here, I noticed the uncertainty about the pixel structure of the monitor, so I thought I'd paste a couple of photos here to help out the thread.

Here's the closest shot I'm able to take of the pixel structure:



As this makes clear, the pixel structure is not pentile. One thing to notice, though, is the fact that (for lack of better terminology) where the red subpixels "break" on each "column" alternates. This is what creates the impression of a visible pixel structure. One poster I noticed on this thread who explained it as a "diamond pattern" is spot on, for that reason, in my opinion. Here's a wider version of the preceding shot to demonstrate this effect:



If you ask my personal opinion of this "visible pixel structure", it doesn't bother me one bit. This is when viewing the monitor no closer than a foot and a half. However, I should add that this is the closest I can get to the monitor and see it clearly without using reading glasses. It's noticeable when you get in close and take a critical look (with glasses, in my case), but would be bothersome under normal usage conditions only to users who are especially sensitive, in my opinion.

Looking around where the pixels are darkened at the border of the cursor, it seems the red stripe is able to break at the "halfway point" between each perceived stripe, or in other words each "vertical stripe" actually spans two pixels, and each half is able to darken individually (for individual pixel precision)... so it actually doesn't matter whether the red spans where the green and blue break or vice versa, both halves are independent so this is in effect no different than any other standard RGB vertical stripe pattern. From a pixel-by-pixel perspective the red aren't "offset by half a pixel" or anything like that.

Or, better worded, if you look at the picture you can see break points between the greens and blues between every pixel. On the other hand, the reds appear to span the height of 2 pixels per break point instead of 1 like the others, but in actuality is still 2 individual segments which can darken independently. So this is just normal RGB vertical stripe. The most you could say is that there's some very slight variations in the space between the subpixels, but that won't affect anything on a macro scale.

You can see in the second picture, tracing along the diagonal edge of the cursor, the reds can break at every pixel, regardless of whether it is "halfway" between the red stripe or not. So, at worst it looks like the red subpixels might "droop" by a few micrometers in some places... it's not going to have any visible effect, at this pixel density anyway.
Edited by Glenwing - 5/6/17 at 11:10am
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