Who is the overlord of the era? QLED quantum dots (QDs) are very small semiconductor nanocrystals that are invisible to the naked eye. They are **10 nanometer particles. Quantum dots have a distinctive feature: When light or electrical stimulus, quantum dots emit colored light, the color of light from the quantum dot material and the size and shape of the quantum dots, so that quantum dots can change the color of the light emitted by the light source. The electrical energy required for photoelectric conversion is not natural and has higher efficiency, making it superior in energy saving and emission reduction. Two features: The backlight system is independent of other components, but most models of global backlight adjustment (switch, weak or strong), that is, whether it is a dark or bright scene scene, in most cases, the backlight is open . Disadvantages of QLED: However, since QLED backlight systems and display components are easily separated from the edge of the screen, light leakage (ie, leakage) affects the uniformity of brightness and contrast, which in turn impairs the ability of the TV to display black scenes (black levels). The intuitive feeling is not pure Black, it looks gray. Black is not pure, gray. OLED advantages: The contrast is close to the limit, showing a more realistic black. When displaying a black screen or scene, the OLED can be closely related to the pixels completely, with pure colors, and high contrast. Faster response. The speed of the LCD TV image changes depends on the speed of the liquid crystal, and the response speed is relatively slow. The OLED does not have a liquid crystal cell, it can change the image more quickly, respond faster, and thus reduce blurred images (motion blur). OLED QLED advantages: LCD screens, supply chain and production facilities are available. The production cost is lower than OLED. Quantum dots are an inorganic material with high moisture resistance and stability. The disadvantages of OLED: OLED can save power only when it shows black, and QLED improves the quality and performance of LED light source products, thereby improving the color and energy saving of LCD TV products. QLEDs save power in integrated solutions. At present, more and more consumers tend to buy large screens, and OLED TVs have larger screens and are more prone to burning. The breakthrough in the size of QLEDs that are limited to this level is more advantageous, which is more suitable for large televisions in general. Panel market environment. Regardless of market or technology level, the best option is not an OLED screen. OLED makes an unbalanced market in these four points, QLED technology is exactly in the price, quality, dominance in the industry, energy consumption and the screen size of these four competing points. It is undeniable that OLED technology is a self-illuminated display technology revolution that accelerates the development of reality. OLED technology's high-end flagship products Konka, Philips, Sony and other companies launched the OLED TV market prospects and advantages. With the release of OLED panel production capacity and the rise of domestic panel makers in the world, OLED products are mainly promoted to occupy the high-end market. The iPhone 8 will use Samsung's OLED screen, which is the first iPhone to use OLED materials and the QLED screen used by Apple's iPhone. So why does iPhone 8 use OLED screens? From the first screen material, QLED LCD and OLED organic light-emitting diodes, most of the current mobile phones use QLED screens. OLED is a new-generation display technology. Compared with OLED QLEDs, which are technically difficult and costly, the price is more expensive. At present most of the OLED screens are high-end phones. OLED bending ability When it comes to the fundamental differences between QLEDs and OLEDs, QLEDs need backlights, while OLEDs are self-illuminating, which is the biggest difference between the two, and it is also the decisive factor in determining the thickness of the two screen displays and the screen because the OLEDs do not emit light. Needs a backlight, QLED screen, compared to using energy more efficiently. In addition, since there is no backlight, the thickness of the OLED screen is thinner, which helps thin the body of the mobile phone. OLED screens can be made into curved screens, like apples and other models, curved screens because of the use of OLED screens, and QLED screens do not support bending due to the characteristics of the LCD. Another point, why Apple's use of OLED screen is the screen in the fingerprint recognition technology only supports OLED screen, the fingerprint on the screen and the wire and cable screen do together, although not fixed, because of the fingerprint of the Apple iPhone 8 screen, cut off the fingerprint identification screen The rumors, but to use the OLED screen fingerprint is essential. Although QLED still occupies a dominant position in the market, with the development of science and technology, to solve the burning problem of OLED to a certain extent, in recent years shows that the development of OLED technology will gradually become the dominant era.
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With the announcement of major mobile phone manufacturers entering the era of full-screen, OLED has become an outlet for the display industry. Let's take a look at the characteristics of QLEDs and OLEDs and the future development trend.