Many panel producers have reported profit drop in the early 2018 due to oversupply. But in the third quarter of 2018, the enhanced stocking-up demand in the peak season has reversed the over-supply trend, analyzed WitsView, a division of TrendForce.

Though the big brands have been focusing on Micro LED and pushing its development, currently most of the technologies of Micro LED have stayed inside the laboratories and still need further preparation before entering the mass production process. Mini LED, on the other hand, is ready to be applied and to be produced in volume, according to many LED manufactures.

According to TrendForce’s latest report New Display Technology Cost Analysis, Micro LED has emerged as the most discussed topic in the display industry. The capital market and the supply chain are all looking forward to this next-generation display technology. However, from the technical perspective, the mass production of Micro LED still face many challenges, including the yield rate of mass transfer and LED uniformity, etc. Some manufacturers have thus shifted their development focus to Mini LED, whose architecture is similar to that of current LCD and LED displays. No major change in the design is needed. Commercialization of Mini LED is only a matter of time, therefore, companies are all expecting it to become a transitional product before Micro LED is ready for mass production.

Currently in the industry, on one hand, Apple has been very active in developing Micro LED; on the other, display makers AU Optronics (AUO) and Innolux just announced to roll out Mini LED applications by the end of 2018.

The sales of iPhone X turned out to be less than market expectation, so Samsung has lowered the utilization rate of OLED production lines. The tight supply of OLED panels over the past two years has also been eased. According to WitsView, a division of TrendForce, Apple has initiated the trend of OLED panels, and it is estimated that the penetration rate of OLED panel in smartphones will reach 46% by 2021. Mini LED is overwhelmed by OLED’s technology maturity and competitive costs, so it might be hard for Mini LED to grow in the smartphone market in short term.

Mini LED is a new display technology in Asia. AU Optronics (AUO) on March 8 released the world's first Mini LED-based product line, including a gaming monitor, a gaming laptop, and a small-sized display for VR wearable devices. The company will begin to ship its Mini LED products in 2H18 and the large-scale gaming monitor will be the first to be on the market, said Michael Tsai, General Manager at AUO.