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Discussion Starter · #1 ·

I was really angry when I discovered this.  Fortunately the Sears store where I bought my Seiki 50" (model SE50UY04) supposedly 4K UHD TV let me return it for a full refund.  For the price I thought it was too good to be true and it was.  It is actually a 1080 x 1920 HD TV.  The only thing UHD (4K) about it is that you can send it a UHD (2160x3840 30Hz) signal and it will display it downressed to the native resolution of the monitor (1080x1920) and tell you that it is in 2160x3840 mode by momentarily displaying a message box on the screen and if you press the "info" button on the remote control.  

 

If you don't believe me measure it yourself the way I did, actually count pixels ( you don't need to count to 1920):  

(1) Put the TV in 4K UHD 2160x3840 mode displaying a 2160x3840 signal.  ( I used a new high-end graphics card on my computer for this).

(2) Hold a magnifying glass (lens) up to the screen so that you can see individual pixels.  I used a 10 power magnifying loupe like photographers use for inspecting Kodachrome slides on a light box.

(3) Hold a ruler up to the screen also viewed under the magnifier.

(4) Count how many pixels across the screen in one centimeter according the the ruler.  A red spot, blue spot, green spot in a row horizontally is one pixel.

(5) Multiply the width of the screen in centimeters by the number of pixels per centimeter.  I got 1920 almost exactly.

(6) Repeat the experiment in 2K HD 1080x1920 mode and notice that the number of pixels doesn't change.  It is still 1080 x 1920, the native resolution of the monitor.

 

I can't believe Seiki is trying to get away with this.  They must be betting that no one will actually look at the pixels under a magnifier and count them.  Too many people just blindly believe the tech specs.
 

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What is more likely?


(1) Seiki is lying and no one else has noticed it, despite all the people who have hooked them up to PCs to use as a monitor rather than to watch video.


(2) A one-post wonder who claims to have already returned the TV has made up a story to troll people.
 
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Seiki has a 50" TV that comes in a box that looks identical to that of the UHD model, so perhaps that is how the OP got misled. I have seen a number of videos from AV & computer equipment reviewers, and they've all verified that the SE50UY04 does indeed display a 4K image. Having seen the Sony 84" flagship model up close and personal (I think my nose print may still be on the screen...LOL), I think the Seiki is indeed a UHD display.
 

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Discussion Starter · #7 ·

What am I going to believe, you or my own eyes. 

 

I don't normally bother to post comments, but I thought this discovery was important enough to be sure everyone knows about it.  If you don't believe me, do your own tests.  I would love to know what results other people get when they repeat the experiment and actually measure and count pixels and not just judge the subjective sharpness.  If anyone finds a way to get 4K out of that thing, I would love to know about it.  A true 4K TV at that price would be a great thing.
 

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Discussion Starter · #9 ·

For thousands of years everyone in the world thought the earth was flat until one day someone (named Eratosthenes) did an experiment and took a measurement.  You can either accept popular opinion as reality or take an experimental measurement of reality.
 

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Fascinating. I'm just throwing things up here. Your loop test seems clear and you say the screen's own info display say 2160 x3840 BUT are you sure your graphics card is sending a 30 Hz signal? Is the cable HDMI 1.4? Is the card capable of sending out HDMI 1.4? What card? I know the screen info is indicating it's getting a 4K signal, but I'm just exploring possibilities here.


EDIT: OK, I see you made a comment to the CNET review. And you are using a GTX 760, which is perfectly capable of HDMI 1.4, 4K, 30Hz output.
 

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Oh, what is your 4K source material?


...maybe it's only 2K.


Boy, I'd sure like to see a picture of the pixel structure. It could be odd. A good camera phone with close macro might capture it, even w/o the 10x loop.
 

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Internet correction dept. here .


The panel in the Seiki SE50UY04 TV can be found right here http://www.panelook.com/V500DK1-LS1_Innolux_50_LCM_parameter_17279.html

Easy way to find the panel # is in the service menu .


This is a CHIMEI INNOLUX 50" 3840(RGB) x 2160 (QFFD) Super MVA 3D panel

@ 400cd/m2 - 5000:1 contrast ratio 10 bit 60Hz (120/240Hz simulated) WLED panel.

It's 4K as far as I'm concerned .


Both Sony and Samsung and others have both been known to use some decent CHIMEI 2K panels from time to time .

The picture may not be as good with up scaled 2 K content as other 4K sets out there or even many 2 K sets but that might not be the panels fault .


ofc I would choose a quality 2K set unless I needed an inexpensive 4K PC monitor FWIHR the Seiki does that fairly well.

I currently own a Sammie Plasma ,Sony ,LG and Toshiba 2K LED/LCD sets they are all 2012/2013 models and work well for my uses.


.... OH ..... the pixel count does not change with the program source material

any resolution supported by the main board is always scaled up or down as required to the panels native resolution regardless of what the display info pop up says that only displays the input signal.

The native resolution in this panel is most definitely 3840 x 2160. unless the OP's set was mis boxed.or otherwise assembled with the wrong main board ,T-con board and panel unlikely as that might be.


so much for pixel counting . .
 

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Quote:
Originally Posted by APhotographer  /t/1519779/seiki-se50uy04-they-lie-its-not-4k-uhd-its-2k-hd#post_24418804


For thousands of years everyone in the world thought the earth was flat until one day someone (named Eratosthenes) did an experiment and took a measurement.  You can either accept popular opinion as reality or take an experimental measurement of reality.

So what's your take on the Sharp Q+ models?
 

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Quote:
Originally Posted by APhotographer  /t/1519779/seiki-se50uy04-they-lie-its-not-4k-uhd-its-2k-hd#post_24421788


I am tired of arguing with you know-it-alls.  Go ahead and waste $600 on a poor quality 2K HD TV with bad color just because it says 4K UHD on the box.  I tried to warn you.
So, did my questions piss you off? Gee.
 

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I think you are mistaken. I have used my Seiki SE50UY04 now for almost a half a year and I couldn't be more please, especially after having only paid $549 for this at Sears with free local pickup. It isn't perfect such as uneven backlighting which isn't noticeable but it is definitely 4K. I didn't painstakingly count every pixel but I did compare the pixel size to my 24" 1080p TV/monitor right next to it and the pixel size is almost identical which would make sense as a 50" is approximately 4 times larger than a 24", hence equivalent to four 24" monitors (more or less).

 

I should mention that I am using this exclusively as a computer monitor and not as a TV. However getting it to work right was not easy. My Microsoft Surface Pro 2 tablet does support 2160p but then Microsoft's own mini-DisplayPort to HDMI adapter doesn't work for 4K, not even the one specifically made for the second generation model. I had to go out and buy an active mini-DisplayPort to HDMI 1.4 adapter before I got any reliable results. I also purchased an 18GB HDMI cable with Redmere Technology and was good to go.

 

Then once managing to get it to work in 4K the default colors and overall picture quality were TERRIBLE to say the least. I found some recommended settings on CNET and now the colors are almost as good ass the primary screen. Overall I am very happy with my Seiki so far.
 
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