OLED displays: the beginning of the DoT era of ubiquitous displays

In the past, we were all moved by the magical future scenes in science fiction novels or movies: in the world of "The Three-Body Problem", the ubiquitous display pop-up windows can easily retrieve and display the information of each person passing by, and the corresponding advertising content can pop up according to the person's preferences; In "Blade Runner 2049", the hero's girlfriend - Joey, a virtual person who can only be projected from a projection device, interprets a life legend that is more flesh and blood than humans. We wonder when this will happen in the way humans talk to machines.

This scene may seem far away, but if you look back, this change has already happened, and these scenes will gradually get closer to us with the development of technology. Just 20 years ago, mobile phones were only capable of making calls, laptops were the preserve of a wealthy few, and huge CRT TVs were still taking up most of the living room. Today, twenty years later, we are on the eve of a new era, that is, the era of DoT (Display of Things) with ubiquitous displays.

Show - a booster of human development

From ancient times to the present, image information has been an indispensable part of human development. Forty thousand years ago, the Khomeyns had begun documenting the success of hunting with petroglyphs; During the Renaissance, the story of Leonardo da Vinci's painting of eggs is remembered, and his painting "Mona Lisa" left a permanent mark on him; Two hundred years ago, photography appeared, and people could finally record the real world in their eyes; At the beginning of the 20th century, animation and movies rose, and Hollywood and Disney became legends in people's spiritual world.

The change of display technology has been promoting the progress of human society. For today's Internet world, 50 years ago, the invention of liquid crystal is undoubtedly worth remembering forever. The thin and light LCD screen replaced the bulky CRT screen, which made the invention of laptops and smartphones possible. Thanks to the advantages of liquid crystal technology in terms of image quality, volume and design, 20 years ago, liquid crystal displays began to replace CRT monitors on a large scale, paving the way for mobile computing. Today, laptops, tablets, and smartphones make computing ubiquitous. In the past 15 years, the popularity of liquid crystal display technology has increased the market size of the display industry from 2004 million units in 2 to 2018 billion units in 30, expanding 15 times.

However, the growth of the display market led by mobile devices has hit a bottleneck. IHS reports that since 2016, the growth rate of mobile devices has almost stagnated; In 2018, the overall display market growth rate was only 0.7%. This means that people need a new round of technological innovation to bring new application possibilities.

As a result, OLED technology has stood out in the past two years, and its vigorous development has opened the door to a new world for us.

OLED displays – the possibilities are endless

People are about to usher in the fourth industrial revolution, social production is becoming highly digital, networked and intelligent, and people's lives are more personalized and intelligent. The new applications brought by OLED are gradually maturing, providing ammunition for the fourth industrial revolution.

"In the future, people will usher in the era of DoT where displays are ubiquitous. OLED, on the other hand, is the best carrier in the DoT era. As a leader in the flat panel display industry, LG Display believes that OLED will become one of the core driving forces for the further development of the information industry in the future.

The biggest difference between OLED display screen and liquid crystal is that liquid crystal display is a "filter" technology, through the LCD panel to filter out the unwanted colors in the backlight to achieve the picture display, so the LCD panel must be loaded with independent backlight; OLED is a "light-emitting" technology, OLED panels emit light directly, without the need for a separate backlight.

Folding screen does not work OLED is still the key to the iPhone in 2019

Royole Technology released a folding screen mobile phone, but consumers have never been able to buy the product; Recently, it was reported that Huawei will also release folding screen mobile phones in 2019, and the author believes that although Huawei is stronger than Rouyu, after all, the folding screen technology itself is not mature. In 2019, folding screens still cannot become the mainstream of the mobile phone industry. For example, Apple and folding screens did not have any "scandals".

Folding screens are currently immature

Apple's application of the screen has always been more conservative, or more practical. Except for the time when the iPhone was first launched, the size of the iPhone screen was larger than that of ordinary contemporaries, and the iPhone has never liked to take risks on the screen. Until the time of the iPhone 4s, the Android camp has already entered the era of 5.0 inches, but the iPhone has always held on to a small size.

The iPhone is actually more conservative about screen upgrades

Because the iPhone is a key product, unlike other brands that release many series, Apple releases a limited number of new machines every year, will not try immature screen technology, once the screen has problems, it will cause a huge blow to iPhone sales. Therefore, the concept of folding screen will not appear on the iPhone.