Destroying a QD-OLED - Part 2

[@brandonbajc2084]

Amazing work! Could you show us the tv's processor in part 3? And more microscope shots as well! Very interesting about the display having a blue and green oled backlight. That qd lattice structure is super cool too! I wonder how it was produced.

[@camryhsalem5139]

processor : the mysterious part 😎

[@adonisds]

fafrd from avsforum, our oled specialist and the person who always said it probably had green oled, says: "In case anyone has a way to get a message to him for part 3, here is another test he ought to be able to perform: Compare red versus green output intensity when excited by the same blue light intensity versus the same comparison when emitting peak red versus peak green from the TV itself. I’d there is a green OLED emitter in the stack, it’s presence is driven by the fact that green QDCC output driven by blue OLED was insufficient to reach required output levels. If he discovers he needs to excite with much higher blue light intensity to achieve peak QD-OLED green output levels compared to the blue light intensity needed to achieve peak QD-OLED red output levels, that would pretty much be definitive proof that there is another source of green photons in the QD-OLED TV other than just the green QDCC…"

[@NanoPalomaki]

I will look into this, thanks!

[@adonisds]

@@NanoPalomaki Are you still working on part 3?

[@random_n]

Very cool! We had the latent image effect with its phosphoric glow as one sign of this structure, but this pretty well confirms it. As well as possible without being able to light up the bare OLED, at least. One mystery you may be able to find clues for is which layer (or absent layer) is responsible for the incredible viewing angles. It's an attribute unique to any consumer video display panel I've seen since plasma ended production.

[@NanoPalomaki]

QDs emit in all directions which is in part responsible for the incredible viewing angle uniformity. The blue light is simply scattered from the ink in the blue sub-pixel so that it too looks highly uniform from any angle.

[@Dr_Kens]

Apply water when cutting the panels with a diamond saw blade. It will keep the dust down and wash away any debris during cutting, creating a cleaner edge. It's the same thing we do in industry during the dicing of wafers and panels.

[@045Pierre]

Bravo on your courage. These kind of videos are surprisingly nonexistent on KZbin.

[@jackw9568]

Have you been able to check if any of the layers you've extracted preserve polarized light or change polarization of external light?

[@techmechy]

Awesome video! I was curious if you’ve learned more about the coating you found covering the quantum dots at 6:35 in the video. I know QDs can degrade when exposed to environmental factors like UV, oxygen, and water. Do you think the coating could be acting as a protective seal?

[@fakeninjitsu]

If you can get the A95K, I would like if you could check how it behaves with P3 and Rec 2020. I think you will find that the behavior you found on the S95B is Samsung Electronics specific and not QD-OLED panel specific.

[@NanoPalomaki]

I would love to! Someone want to buy one for me?

[@BlackBullPistol]

Ok I really love this 2nd part, you've really dig deep this time :-D 7:17 from my understanding of Oled the whole layer (easier to produce I assume) is blue because it's basically the main layer that acts sort of like a "backlight" for all sub pixels, on top of the blue Oled layer is a black grid to separate the Red and Green QD and of course the Blue from the blue Oled layer. It's similar to LG's Oled tech but without color refiners and additional white sub pixel to make the colors as pure as they can get :-) Looking forward for part 3 ! ! !

[@ktraxD]

Awesome video, I had always been curious about how things work. I love to see how such as small electronics look through microscope like processor transistors. Can you please give us some more images like the ones of 6:18, 8:32, 8:42?

[@dushenepaulusha7210]

would be amazing to see a similar analysis with LG woled panels

[@sadekf9144]

You are the first to do this ،Thank you.

[@inceptionsd]

Ok, so the reason why black levels are not as good as WOLED is because the ambient light excites the QD layer which activates it, essentially? Does that mean that sun-lit room might excite it more due to the significantly higher UV light emission? Seems like the light filter isn't able to block 100% of the ambient light, which causes purple-like tint on the display when it is off,

[@NanoPalomaki]

Your thought exercise is spot on!

[@allen4998]

Wow what a good analysis. This really make me understand about QDOLED

[@045Pierre]

What's the use of the color filters, I thought that was the work of the quantum dots to do with the blue sub pixel needing no QD. They don't say this in their advertising materials for QD-OLED.

[@NanoPalomaki]

The color filter will do two things. 1, it eliminates any blue light passing through that would degrade the color gamut. 2, it helps block some ambient light from reaching the QDs.

[@Adrianek81]

Great video,i always was wonder what is inside of led or oled,you got my sub✌️

[@DineshSharma-ou9rf]

Waiting for mini led tv and micro led tv teardown 😀

[@NanoPalomaki]

If I can get my hands on a mini-LED display I will! No microLED displays are available (except for $100k) at the moment though.

[@vincent6656]

Would love to see the speaker system in this tv

[@tanmaymondal69]

Can u make a video on detailed view of a smartphone amoled display

[@NanoPalomaki]

Would love to! I’ll consider it for a future video.

[@jungyuliao]

Great Job!! I like to know the QD materials. Theoretically, Samsung is using InP QD, but I still doubt that they secretely use CdSe QD. Can you send some piece of QD to SEM and use EDS to do elment analysis to identify which kind of QD ther are using.

[@NanoPalomaki]

While SEM-EDS is possible to confirm this I simply look at the FWHM of the materials to determine if it is CdSe or not. If it is

[@adityaarayan2340]

In 2012 we got to see big 55 inch RGB OLED TV from Samsung In 2022 we got to see shit OLED TV i mean QD OLED TV from Samsung Let's see what we OLED TV will get to see in 2032

[@tylerthere5832]

Would like to see the speaker enclosure taken apart, maybe tag that is the ending or something?

[@jasonhirsch16]

Also interested in this if possible. I have the 65" version of this tv that is exhibiting woofer rattle. Just curious how it all goes together before I have Samsung fix the issue. Thanks!

[@Reallynotnick]

I second the comment about P3 mode vs Rec 2020, the added green very well could have been due to using P3 mode or something else funky happening.

[@yusyuanlin3666]

Do you analysis more about color filter structure? Is there only red, green and blue color resist without black matrix layer? Thanks~

[@NanoPalomaki]

It looks like there is BM layer as well I think.

[@yusyuanlin3666]

Please analyze this more, thanks!

[@navedsyed9354]

Great and knowledgeable video

[@adonisds]

awesome job

[@displayinsights]

Loved it

[@amitchavda1651]

Nice work bro

[@ericlitvak]

I have a question, since you have a panel to experiment with. My AR film is damaged and I was considering attempting to remove it entirely, but it seems to be tightly bonded and quite difficult to remove in your video. Is there any chance that heat and/or moisture could soften the adhesive? Thanks for any insights.

[@NanoPalomaki]

Not sure the AR film is something that you would be able to replace. It's pretty well adhered usually. Maybe heat would help? But good luck putting on a new one with no bubbles.

[@joaohernesto9635]

i want to do a project to transform 4 55" QD-OLED tv into a single frame 220" glass, using uv glue, so what would be the best way to remove the black edges of the tv without damaging it? laser? and how close could i get without damaging that OLED screen?

[@NanoPalomaki]

Might be tough to do, there appears to be a lot of electronic traces (for the OLED) in the bezel, so cutting this off could ruin the TV.

[@hackerz54]

keep up the work

[@jamesm5192]

Sounds like you have the skills to make health analyses of screens. In terms of QD-OLED vs IPS vs OLED vs CRT, which produces the most blue light? Which produces the most red light? Presumably CRTs produce the most infrared?

[@NanoPalomaki]

I'm sure someone has studied this but I have not, sorry!

[@jamesm5192]

@@NanoPalomaki But you seem to know which would produce more blue vs red light: QD-OLED, OLED, IPS, and the like :)

[@tanmaymondal69]

Amazing 🔥

[@TearsofJoy69er]

This was nice to watch!

[@adityaarayan2340]

I want TCL to manufacture cheap Inkjet Printed RGB OLED TVs so that poor people like me can afford OLED TV easily Best of Luck TCL and JOLED

[@PisupPolesnak]

It makes me want to buy a qd led TV!!

[@AlloyGeek]

Hello NanoPalomaki! 😄

[@NanoPalomaki]

Hi Alloy Geek!

[@nickitaabitov1265]

wanna see heatsink !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! how it works. where it stands, etc. !!!!!!!!!!!

[@michelnesic5544]

👋

[@BorisMakingTea]

4 videos and the channel is dead? Original content which no one else is doing aswell

[@NanoPalomaki]

Stay tuned for a huge 75 in Samsung QLED. These things take a lot of work!

[@BorisMakingTea]

@@NanoPalomaki can't wait. What model are you thinking of doing? Neo QLED will be interesting because the mini LED

[@adityaarayan2340]

Quantum dot glows when light hits Quantum dot , QD OLED is the worst display tech ever because what is the point of buying OLED when you can't get deep blacks and consumers pay thousands and thousands of dollars to buy this shit

[@joaohernesto9635]

what are you talking about? QD-OLED has deep blacks, the lack of polarizer gives the impression that the black is not black during the day, if that's what you mean, Normal OLED TVs use a color filter to make colors from the white OLED, QD-OLED uses QD to do the same but more efficient with blue OLED. QD is even worst than LCD, LCD can try block light, QD just let light pass through improving the colors.

[@NanoPalomaki]

This TV does indeed have deep blacks like traditional OLED, both are far superior to LCD in this metric.

[@lewisevander]

@@NanoPalomaki yes but only in a dark room, not a bright room.

[@iamdmc]

^doesn't understand sh&t about tech

[@AdrianHertz]

Hey guys think he just voided his warranty

[@payaso25us]

great work