Is OLED a next generation technology? Challenger Micro LED is not willing

2016 is a very special year for display. It is not only the crazy year of OLED, but also the debut of Micro LED. After 2016, Micro LED never attracted the attention of mainstream media, even if Sony had In 2012, the pool water was stirred, and there was no real ripple.

This has to be said back to the month of the second half of 2016. At that time, OLED has gathered the commercialization of the heart, and the whole body is wrapped in a thick steel gas. The momentum of the momentum is unstoppable, and the final outcome of the future technology seems to be clear. OLED shakes the flag of the next generation, pacing back and forth on the stage, and the expression of shouting is simply impossible.

When it was said that it was too late, the Micro LED was like a peerless man who suddenly ended the retreat. A gorgeous light work fell from the sky, and the prestige fell to the center of Fujian and Taiwan. When the audience awake, it seemed that there must be a foregone conclusion. The earth-shattering and bloody super-expansion, but with the theme song tailored by the venue, and the well-organized cheerleaders, the audience was confused, and it was impossible to tell whether it was impromptu or routine... At this time, Micro LED Pick up the microphone and say slowly:

"Don't be nervous, I am coming today, not to challenge OLED..."

The scene was immediately screaming, and some of the audience rushed up with an emotional disconnection. Micro LED quickly slammed cheeks:

"I mean, I will challenge OLED, but that is... in the future, OLED (later) will not be my opponent, I (in the future) can definitely shake the rivers and lakes, I am, the real next generation, but everyone Waiting for me, actually... that... my retreat is not over yet."

The audience can't stand it anymore. You can use your hometown words to open up a slogan. The slamming of the Micro LED brush is just red, not only wasting social resources, but also wasting people eating time.

"Hey! I am afraid that all of you have become OLED believers, so take a trip and leave a thought..."

Micro LED's expression is firm and a little helpless. After a Move, the clouds disappeared into sight. The audience had to be stupid. It happened too fast and complicated. It was beyond the usual drinking of the baby. The scope of thinking about rolling and sleeping, the most inexplicable is OLED himself, it is still standing on the stage, the mouth is wide open, the flag is halfway, showing a very embarrassing picture, and I don’t know how to sing some high-profile expressions. Or is it possible to render the Micro LED into a pure farce?

Why is it now? Why is 2016? After a decade of coming back, will this become a "micro LED mess" or "Micro LED Spring"?

After a long time of paving the way, it is time to explain what martial arts the Micro LED is learning. Why, after the inexplicable flash, can still haunt the audience, and it has become a possible candidate for the next generation of royal power. First three conclusions:

(1) Micro LEDs can effectively break through the limitations of many OLEDs in the first place. In the long run, they are more ideal self-luminous technologies than OLEDs;

(2) There is still a long way to go for the commercialization of Micro LEDs, but it is definitely not the distance of five years. In 2017, there will be a year when Micro LEDs will be erupted again. There will be many interesting and interesting things going on. So now it’s not anxious to start paying attention;

(3) Of course, commercialization is one thing, and the influence is mature. On the other hand, when the Micro LED is big, the impact will be on the entire display industry, LED industry?

Don't use the Micro LED as a life-saving straw. There are two reasons. One is “slowly rushing” and the other is “a glass of water and wages.” The Mariana Trench, which was dug up in the price of LEDs in these years, is not a Himalaya. Full, let alone the fact that the Micro LED is overwhelming, the amount brought may not have imagined the fact of Zhongda, then we went to the market, and then explore it in depth!

This song of Micro LED will be divided into several sections. When I first wanted to compose music, I felt a bit tangled. Because there are too many things to be presented, the whole group will be a bit long after playing, and I don’t know how to split it into several parts. The main theme covers technical potential, technical bottlenecks and market trends. The process of broadcasting may be interspersed with popular Romance or other miscellaneous talks. Snow will try to make the whole process pleasing to the eye. After all, there are more and more people who know about Micro LEDs, but I don’t know why. More people, the information on the Internet and the news is too chaotic, too unregulated, all the way out of a piece of a smashing, confusing day and night heroes are not infrequent, a little careless but will be mad, more and more Do not understand, and then derived a lot of chaos and misunderstanding, as for even the Micro LED is a friend who does not know anything, Snow suggested to look at my column "Why do Micro LED is the technology to break the display pattern" this work.

At this time, Snow only emphasizes one thing. The first stop for Micro LED to be safe is the display. So please put the light communication, smart lighting, and biomedical first in the corner locker, then put the "Micro LED". "Draw a pure, beautiful equation with "self-illumination", and sincerely believe that you are me, I am you, no longer separate, only do this basic psychological construction, seriously discuss Micro LED and OLED The decisive battle makes sense.

When you're ready, come to the lyrical opening of the song – why is Micro LED better than OLED?

Naturally longer, more stable

Regardless of how OLED is not reconciled, the longevity of LED is just like Donald Trump's money. It is a common sense and common sense. There is no need for more packaging and explanation. People who doubt this fact are like multiculturalism. Social criticism is as unwise as homosexuality, is civilization good? Even if the LED lets OLEDs with one hand, the life is also lying and winning.

Of course, there is no need to say more about stability. This is actually tied to life. OLED is born with a curse of water and oxygen. The degree of vulnerability is like the old man who is wearing a cotton jacket and can catch a cold by the fire. Looking up at the window. Let's stare in the snow!

Excellent energy consumption

The efficiency of LED has long been developed to the horizon. Although shrinking to the Micron level requires a certain degree of hacking and re-training, the theoretical efficiency is still more optimistic than OLED. Besides, the bottleneck of OLED efficiency includes the search for materials and the bottleneck of Micro LED efficiency. Mainly due to the heat of process technology, technology can be stacked by money and time. The learning curve is reasonable. It is another matter to find the key materials. The OLED decade is also here today, from fluorescence. Turning phosphorescence, switching from evaporation to printing, the key materials are still in the fog, maybe tomorrow will suddenly become bright, maybe... never.

Therefore, Micro LED can make a big fuss in energy consumption, and it is not surprising that it is favored by wearable devices. Bullying LCD is too much (LCD is the benefactor of LED), although it is not a big word to win OLED, it is just "power saving." "How many percent" is still in the theoretical stage, all kinds of statements are also wrong, OLED will still improve, and only when the Micro LED products come out to compare, can make people convinced.

Unbelievably high brightness

In addition to the high luminous efficiency of the LED, it means that it saves electricity. It also means that if you operate the Micro LED like a backlight or a lighting device, it can brighten up your display. The basic dish of the three hundred and five hundred nits of the display. A stack, you can fill the back panel with LEDs, it is ok to rush to millions of nits. Imagine that you can see the car headlights by looking at the distance of the monitor. It is not difficult to understand.

So... what are you doing so bright? Buying a TV to send sunglasses as a hoe? No, no, no, of course, take it for projection! Micro-projection, AR, HUD, can make the brightness of Micro LED play, these areas are eccentric.

Higher PPI, contrast and color performance

Also, because the luminous efficiency of OLED is not good, it is necessary to "change the efficiency with area", and the electrode of OLED will reflect light, which leads to the OLED, which is known as the next generation technology, not only facing the limitation of PPI going up, but also to improve the actual contrast. Add a circular polarizer on the outer layer of the panel; in addition, in order to consider efficiency and lifetime, the red and blue light of the OLED are limited by the specific material, so one orange is a little bit, one is lighter, and the blue light is not Purely, OLED manufacturers are very smart, using a trick "no blue light source", four or two dialing gold, directly turned the shortcomings into advantages.

Because the efficiency of the Micro LED is better, the area of ​​the light source can be small, because the light source is small, so the interval can be opened, which not only makes the real contrast better (see SONY's CLEDIS), but also leaves the PPI going up. Elasticity, Ostendo in the United States has already published a 5,000 ppi Micro LED chip, which is ten times the pixel density of today's VR flagship! Color performance LED is certainly not controversial. Lumileds has long proved this when playing RGB backlight. After all, the development of LED in the past few decades, in terms of efficiency, color and longevity, has reached a fully mature state, and RGB tricolor The materials are complete, there is nothing so picky!

Simpler panel package

According to the Life and Stability section, Micro LEDs do not require OLEDs or quantum dots to entangle in water and oxygen resistance. This also helps the Micro LED to be less flexible when it is flexible.

Perfect transparent display

If there is some controversy about OLED and Micro LED, then there is no suspense in transparency. This is also due to the high efficiency of LED, which can provide sufficient brightness when the pixel area is less than 1%. When the OLED is transparently displayed, it is entangled in transparency and brightness; the brightness of the Micro LED is naturally clear, but is it really transparent? Think of it this way, the size of the Micro LED can be reduced to less than one tenth of the hair. When the power is turned off, it is not easy to see it.

So after the perfect wearable light source and ideal projection light source, the Micro LED has an extraordinarily title, which is “the best transparent display light source so far”. Come, the future of Smart Window It’s up to you.

More prevailing speed

OLED is cheap in the virtual reality. It is the reaction speed, reaction speed and reaction speed. The reaction speed of LCD is milliseconds, OLED is only microseconds, but... By the way, the reaction speed of Micro LED is nanosecond! And PPI can be super high, and then more power-saving, it is too much, all are virtual reality to see the characteristics of autumn water.

Otherwise, Oculus has nothing to do to acquire an Irish company, Infini LED?

Long-term no size development restrictions

The size of the OLED has to go up. The uniformity of the vapor deposition is destined to be tied to the foot. The precise metal mask that isolates the pixel also disagrees, so I have to wait for the printing, and then the story is wrapped back, when the OLED is printed. Have a clear answer, three years? Five years? ten years? Will it be that then, the transfer technology of Micro LED is already in full swing, after all, the hair transplant technology is also a thousand miles away, transfer it! You can practice it if you are accurate and fast.

The transfer is mature then? Then large, medium and small sizes can be done, and the manufacturing cost can be beautiful linear. Then there is only the problem of cost performance and replacement cost. This is not a technical problem, it is a market problem.

Long-term possible Cost Down capability

The key to the commercialization of Micro LEDs is “efficiency” and “yield”, both of which can improve considerably over time (and have improved a lot over the years). Micro LEDs do not have exclusive expensive materials, no The complex supply chain and manufacturing process, this simple technical outline, has a long-term energy that is cheap and popular.

Of course, it will be expensive at first, expensive, and expensive.

Multi-functional integrated all-round panel

Micro LED turns on the micro-transfer door, and the possible imagination space may be huge compared to all the above advantages. This is a fundamental change in the manufacturing model, and it is also a complete innovation of the display product concept, because the discussion space involved is too large. We will have time to talk slowly later.

After a series of lifts, the Micro LED has been described as a next-generation technology with fewer restrictions, more possibilities, and all-round upgrades. Compared to OLEDs, Micro LEDs are not as good as real ones! Indeed, from all angles, Micro LEDs are more qualified to take on the future of the show, but why is such a beautiful thing, and now still ducking? Why are everyone investing in Micro LEDs without being crazy?

Therefore, Sno said that the story is very long. Behind the performance of Micro LED's dream, it is also very reasonable to carry the dreamy barriers. Since Yi Meng teacher asked me to play cards, the teacher's life can not be violated.

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