Samsung Electronics offered a new wave of propaganda on Tuesday. On the one hand, it attacked the main rival LG's OLED, which is not suitable for use as a TV panel. On the other hand, it promoted its own QLED (quantum dot light-emitting diode).
The next generation of TV panel technology, Samsung and LG have their own advantages, the two companies belong to the QLED and OLED camp. Samsung pointed out that the branding problem is a fatal injury to OLED. It is only suitable for mobile phones with short life cycles. TVs with longer durations are not applicable.
Samsung said that the reason why OLED panels have branding problems is that the use of organic raw materials is like oxidation of fruits over time. In contrast, the QLED panel uses semiconductor nanocrystals, which have the advantage of durability and are close to the TV properties.
OLED TVs are also under-supply and expensive. Ross Young, the DSCC CEO of display research institutes, has predicted that QLED will become the mainstream of next-generation TV panels because LG Display's OLED production capacity is unable to meet market demand and lower prices. .
LG did not directly respond to Samsung's Wenxuan offensive, but stressed that OLED TV ranks first among consumers in 11 countries around the world, proving that OLED TV is competitive in the market.
With the maturity of TFT technology in the early 1990s, color LCD flat-panel displays developed rapidly. In less than 10 years, TFT-LCD has rapidly grown into a mainstream display, which is inseparable from its advantages. The main features are:
(1) Good use characteristics: low-voltage applications, low driving voltage, and improved safety and reliability of solid use; flat panel, light and thin, saving a lot of raw materials and use space; low power consumption, its power consumption is about CRT display One-tenth of that, reflective TFT-LCD is even only about one-hundredth of CRT, saving a lot of energy; TFT-LCD products also have specifications, models, and sizes in series, with various varieties, convenient and flexible use, maintenance, and update , Easy to upgrade, long service life and many other features. The display range covers the application range of all displays from 1 inch to 40 inches and large projection planes. It is a full-size display terminal; the display quality ranges from the simplest monochrome character graphics to high resolution and high color fidelity. Various specifications and models of video displays with high brightness, high contrast and high response speed; display methods include direct view, projection, see-through, and reflective.
(2) Good environmental protection characteristics: no radiation, no flicker, no harm to the user's health. In particular, the emergence of TFT-LCD e-books will bring mankind into the era of paperless office and paperless printing, triggering a revolution in human learning, dissemination, and recording of civilization.
(3) The application range is wide, and it can be used normally in the temperature range from -20°C to +50°C. The low temperature working temperature of the TFT-LCD after temperature reinforcement can reach minus 80°C. It can be used as a mobile terminal display, a desktop terminal display, and a large-screen projection TV. It is a full-size video display terminal with excellent performance.
(4) The degree of automation of manufacturing technology is high, and the characteristics of large-scale industrial production are good. The TFT-LCD industry technology is mature, and the mass production yield rate has reached more than 90%.
(5) TFT-LCD is easy to integrate and upgrade. It is a perfect combination of large-scale semiconductor integrated circuit technology and light source technology, and has great potential for continued development. At present, there are amorphous, polycrystalline and monocrystalline silicon TFT-LCDs. In the future, there will be TFTs of other materials, including glass substrates and plastic substrates.
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