Samsung trashed more than a football field of glass to make the HD Super AMOLED screen on the Galaxy Nexus

Samsung trashed more than a football field of glass to make the HD Super AMOLED screen on the Galaxy Nexus
A recent article in the Korean Dong-a Ilbo (East Asia Daily) sheds some light on the mysterious workings of Samsung's research labs regarding its exclusive Super AMOLED screen tech. So far we have been in the dark if Samsung is using the traditional Fine Metal Mask (FMM) method of producing the 720p AMOLED displays in the Galaxy Nexus and the Galaxy Note, or has it moved to the more advanced LITI yet, which easily allows for >300ppi OLED pixel density. LITI has 2.5 micrometers printing accuracy, whereas FMM delivers the chunky 15 micrometers.

It seems that Samsung still used its existing FMM gear, so creating close to a million tiny dots on the screen the size of the 4.65" on the Galaxy Nexus was one of the greatest challenges its Mobile Display unit has faced. A special team called Dalli was formed with the specific task to break the 300ppi barrier above which the average human eye can't discern individual pixels from 12 inches (30cm) - the reason for Apple calling the 326ppi iPhone screen Retina Display.

After numerous sleepless nights the researchers managed to create a metal mask good enough for squeezing hundreds of thousands of organic light emitting diodes in its holes so that they don't smear and enough light passes through for the screen to be bright. Here's what the senior researcher has to say about the whole process:

That's more than a football or soccer field, but the result was worth it, and we are likely to see more results next year when new methods enter mass production stage for the third iteration of the Galaxy S line. Another researcher said: “On the Galaxy Nexus screen, the distance between each pixel is a fifth of the thickness of a strand of hair.

Creating such a dense AMOLED display with existing production methods was said to be impossible, even by companies like LG. In our own testing of the HD Super AMOLED display tech with PenTile matrix arrangement we indeed concluded that you can't discern the individual pixels from normal viewing distance at such a high density.

source: Dong-a Ilbo via OLED-Info



1. remixfa

Posts: 14605; Member since: Dec 19, 2008

i bet corning was happy about all those replacement orders.. lol

11. justinjudy1

Posts: 1; Member since: Dec 06, 2011

Corning didn't make the glass for the Galaxy Nexus?

13. ph00ny

Posts: 2068; Member since: May 26, 2011

Corning? You mean Samsung-Corning? Yup. They have a joint company together

22. cheetah2k

Posts: 2294; Member since: Jan 16, 2011

Now this is what I call innovation!!

2. rendHELL

Posts: 304; Member since: Nov 09, 2011

all i can say is... wow.... so much money of sammy is being put to good use for the better of the consumers... unlike apple who keeps on suing them...

3. ZEUS.the.thunder.god unregistered

woowoooo sammy

4. plgladio

Posts: 314; Member since: Dec 05, 2011

Now this can we call as Innovation?

5. ore123

Posts: 10; Member since: Nov 14, 2011

yeah , now this is innovation !

6. ChafedBanana

Posts: 409; Member since: Sep 20, 2011

@remixfa: Whoever said the SGN would have Gorilla Glass? Has this been confirmed?

9. abdane

Posts: 507; Member since: Oct 07, 2011

it has a better glas sthan the gorilla, and samsung are afraid the gorilla glass will be silly now XP

10. iamcc

Posts: 1319; Member since: Oct 07, 2011

It has been confirmed that the Nexus has reinforced glass that is supposedly equivalent to Gorilla Glass.

7. arcq12

Posts: 733; Member since: Oct 13, 2011

its just plain business that's all..

15. McLTE

Posts: 922; Member since: Oct 18, 2011

exactly.. like car companies crashing and destroying car after gorgeous car in the name of testing and safety! Love where Sammy is going though.. keep it up!! :)

8. hunted

Posts: 403; Member since: Sep 21, 2011

Samsung is going to be a nightmare company for others

14. zaryab_hussain77

Posts: 104; Member since: Jun 30, 2011

iphone is gandu

20. harsh_732006

Posts: 70; Member since: Aug 15, 2011

u are a moron...y abuse iphone on a samsung article

17. bigdawg23

Posts: 467; Member since: May 25, 2011

If they can survive a drop it doesn't matter. I have the Skyrocket and it fell screen down from about a foot on to a hard linoleum floor and cracked the screed. I was stunned as usually it takes the corner drop to bust it.

19. TalkingTechy

Posts: 97; Member since: Dec 05, 2011

Ouch!! That sucks bigdawg23! I guess your Skyrocket dropping experience coincides with Phone Arena's review; their test Skyrocket accumulated scratches just from putting the phone in their pocket and taking it out. Gotta believe the original S GSII used different and stronger glass.

21. InspectorGadget80 unregistered

But still SUPER AMOLED Is a prettier screen than RETINA DISPLAY

23. cheetah2k

Posts: 2294; Member since: Jan 16, 2011

Richer colours, deeper blacks, lower power consumption. Its a win-win all round for SAMOLED screens vs SLCD

24. TalkingTechy

Posts: 97; Member since: Dec 05, 2011

Small correction: SAMOLED is only better power consumption if it mostly shows the color "black," which implies that particular set of OLEDs is off. If comparing all white screens on SAMOLED and LCD displays, LCD wins the low-power consumption award.

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