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>> Analysis of Micro LED Technology Bottlenecks: Can LCD and OLED be Challenged? 26th,Apr,2018
It is reported that Apple will use organic screens (OLEDs) for the first time in the history of the company, which will be available from Samsung Display Co. However, according to foreign media reports, Apple also previously acquired a company with micro-LED display technology, and its own research and development in the display panel, which makes Samsung, LG and other screen manufacturers have a certain amount of concern.
According to Apple Insider, a US technology news website, Apple will begin production of micro-LED displays later this year. It will initially be used in third-generation Apple Watches. Currently, Apple Watch uses organic screens.
In the field of display panels, Apple had no technical reserves in the past. However, in 2014, Apple acquired a company named LuxVue and obtained the company's micro-LED technology. In the past few years, this kind of display panel technology has started to attract industry attention, and Apple is also actively carrying out Development.
Micro-LEDs are viewed as a new generation of display technology
In addition to liquid crystals, organic screens are considered alternatives to liquid crystal panels. Before Apple, Samsung Electronics and many other mobile phone manufacturers have begun to use organic screens, which are better in picture quality, more energy-efficient, thinner, and can be bent.
In fact, organic screen technology has been available for many years, but its cost is difficult to reduce. However, over the past few years, organic screen production technology has achieved breakthroughs and lowered the cost. A large number of organic screen mobile phones and televisions have appeared on the market, and there will be more relevant manufacturers in the future.
Micro LED display (Micro LED Display) is a new generation of display technology, the structure is a miniaturized LED array, that is, the LED structure design for thin film, miniaturization and array, so that its volume is about the size of the current mainstream LED At 1%, each pixel can be addressed and driven individually to reduce the distance from the original pixel to the micron level.
Following the characteristics of LED, Micro LED advantages include low power consumption, high brightness, ultra-high resolution and color saturation, fast response, super power saving, long life, high efficiency, etc., and its power consumption is about LCD's. 10%, 50% of OLED. Compared with OLEDs that are also self-luminous displays, the brightness is 30 times higher than that of OLEDs, and the resolution can reach 1500PPI (pixel density), which is equivalent to 5 times as many as 300PPI for OLED panels used in Apple Watch. Better material stability and no image imprinting are also advantages.
In terms of large size, it is the cost competition, and the competitive advantage of Micro-LED is not obvious. Micro-LEDs have great challenges in terms of large size. Over the years, compared with LCDs and OLEDs, LEDs have not formed an advantage in terms of cost. From the perspective of the actual investment and progress of Micro-LEDs, Micro-LEDs have no influence. Imagine it so much. LCD has low cost, stable yield, and strong competitiveness. Just like LCD and PDP that year, the future competition of LCD and Micro-LED is not simply related to the competition of technology, but also involves the industrial chain and ecological competition.
Process types and technology development
The miniaturization of semiconductors and chips has reached the limit, but there is still considerable room for growth in the micro-miniature of manufacturing. Currently, there are three main types of micro-LED manufacturing processes: Chip bonding, Wafer bonding, and Thin film. Transfer.
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