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>> Micro LED low cost over 30% of the ultimate goal challenge AMOLED mobile phone panel 9th,Jan,2018
Next-generation display technology Micro LED is gaining momentum, despite the industry's demand for Micro LED applications and cost differences of opinion, but the industry estimates that if the Micro LED technology used in large-size indoor display, the yield continues to rise after the Micro LED phase 30-40% cheaper than the existing small-screen display. As for the smart phone market, the cost of initial import of Micro-LED handsets is still high, but there is a chance of being reduced to 3 as compared with the current spread of flagship AMOLED models to make.
Sony Japan took the lead in the show CLEDIS (Crystal LED Integrated Structure) stunning display industry, Sony 144 modules seamless collage composed of each size 403mm × 453mm RGB 3-color LED module, led the introduction of Micro LED high New trend of commercial display. Hirai Kazuo, chief executive of Sony, said that CLEDIS's main market will be to replace small-size LED displays with special sizes, such as high-resolution displays such as car showrooms and museums. Sony is expected to mass-produce in the second half of 2017.
Recently, ITRI and other manufacturers have also invested in the development of large-size high-end display applications of Micro LEDs. It is estimated that mass production will be expected in 2018. LED industry believes that, Micro LED have the opportunity to take the lead in challenging the existing large-size indoor display, the advantage is that the Micro LED and small pitch display do not need a backlight.
LED industry pointed out that due to LED as the main luminescent material, LED die cost about half, while the original LED packaging process must be used in small-pitch display, if the Micro LED under the control of yield, not only can save the process , Material costs can also be significantly reduced.
According to research institute CINNO estimates, LED grain size will be reduced from the existing more than 100μm to 50μm, although the production of Micro LED must overcome the yield bottleneck in the early stage, but overall the material cost savings brought about by cost competitiveness, equivalent to The price can be reduced by about 30 ~ 40%.
Although the industry believes that the LED yield of Micro LED must be raised to 99.9999%, the dead pixels in LED production are expected to decline to single digits. However, ITRI believes that if the Micro LED module is about 10cmx10cm, its single Module of the LED number of about 10 to 200,000, through a special repair technology, Micro LED will be reached early into mass production possible.
As the industry considers it as the most challenging high-end smart-phone application to be introduced, Micro LEDs have the chance to compete with flexible AMOLED panels, and industry players estimate the panel cost of the Samsung Electronics flagship handset to be about $ 70 while the 4-inch LED epitaxy After the die cutting process, will be able to supply 3 5-inch mobile phone needs, if we can speed up the mass production yield, the future of Micro LED mobile phone panels used in the cost of about 90 to 100 US dollars, the initial spread may fall at about 30 %, Will have the opportunity to struggle in the high-end market.
Currently Micro LED has not officially entered mass production, the industry believes that the relevant cost estimates are still on the stage, the future mass production, OLED panel costs may have decreased rapidly, however, Micro LED used in niche markets still have advantages, including Automotive, micro-projection, invisible light and even technical bottlenecks that have not been easily identified by the recent biometric identification (such as fingerprinting) applied to full-screen handsets are also welcome.
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