Samsung's Development of self-luminous QLED Technology may surpass OLED
By Cary Perone 2020-02-24 622 29
Samsung, as the big brother of the panel, has also been exposed by the media recently that Samsung will begin to develop self-luminous QLED, to impact the increasingly mature OLED market.
Previously, Samsung's own QLED display technology is still based on the combination of LED backlight and quantum dot display panel. Although this combination can emit more solid colors than traditional LED, the quantum dots themselves do not actually emit light. As a contrast, OLED technology, its own pixels can glow, so it is possible to turn off a single pixel, rather than the entire illuminated area.
Under further research and development, Samsung QLED technology is also expected to introduce this feature similar to OLED technology.
Recently, according to foreign media reports, Eunjoo Jang and Yu Ho Won, researchers of the Samsung Institute of Advanced Technology, published a paper in the scientific journal Nature that the new quantum dot LED technology has made a breakthrough, and they have found an improved and more environmentally friendly way to manufacture self-luminous QLED.
Picture source network
Previously, QLED monitors used cadmium, which is harmful to the human body. In the future, Samsung may replace the toxic cadmium material with indium phosphide and improve the structure of quantum dots to prolong the life of QLED modules and maximize quantum efficiency.
It is understood that the R & D team led by Dr., Eunjoo Jang and Yo-Ho Won improved the structure of indium phosphate diodes by building an oxidation-proof shell around it and shortening the shell. The experimental results show that this method can improve the efficiency by more than 21% and prolong the life of the diode by 1 million hours. Although this improvement does not bring much great performance, it will at least be more environmentally friendly.
With regard to Samsung's efforts to develop a self-luminous QLED, Samsung officially announced in October that it would spend a total of $11 billion on QLED displays by 2025. At the same time, Samsung will give up some of its LCD panel manufacturing and use the $11 billion to improve a Samsung LCD production line in South Korea, thereby turning it into an advanced QLED production line. In addition, Samsung conveniently revealed that it plans to launch its own luminous QLED panel in 2025.
After the success of the self-illuminating QLED developed by Samsung, OLED may lose its current dominant position in the panel market. According to industry insiders, Samsung self-illuminating QLED technology may become a decisive part of Samsung's flagship TV and display screen in the future. if this new self-illuminating QLED technology is put into commercial use, consumers can enjoy bright and vivid picture quality comparable to OLED. Once Samsung self-illuminating QLED succeeds, it will be a big threat to OLED, which is quite mature in the panel market.
In addition to Samsung bearing the brunt, R & D self-luminous QLED competes for a larger panel market. GearbestFang, as the largest panel manufacturer in China, has also recently revealed that it will launch a new Mini LED backlit product next year, with a market size of US $1 billion.
In fact, Gearbestside has been actively developing new panel processes, including Mini LED technology and Micro LED technology.
As the name implies, Mini LED and Micro LED are two kinds of screens divided according to the size of the LED unit. Compared with the traditional LED, the volume of the, Micro LED unit is much smaller than that of the 100 micron, Mini LED unit. The, Mini LED unit is between the traditional LED and the Micro LED, in the range of 100 LED 200 microns. In fact, the difference between, Micro LED and Mini LED is that, Micro LED is a brand-new display technology with thinner backlight and smaller volume, and, Micro LED also has the characteristic of self-luminescence.
On the other hand, Mini LED is just a transitional product between Micro LED and traditional LED. It is an improved version of traditional LED backlight. In essence, the display principle is still based on LCD backlight.
But even the transitional product, Mini LED technology will burst in the next two or three years, and it may be the future development direction of the panel industry in the near future. Even Apple has previously revealed that it will use Mini LED screens on devices such as the iPad and MacBook next year. This may sound different, but for Apple, Mini LED is an affordable choice for high-end products, as well as an attempt at innovation. In fact, the continuous R & D and improvement of Mini LED by many enterprises, such as GearbestFang and Apple, further shows that Mini LED has great potential and broad prospects in the future.
Summary: although the entire panel market at present, OLED is in an unshakeable dominant position. Moreover, both the industry insiders and the outside audience are very optimistic about OLED. But it has to be said that with the continuous and rapid development of panel technology, technologies such as QLED and Micro LED will also follow. At that time, it is really inconclusive that all success or failure will still be determined by the market and consumers.
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