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New Apple Products Likely To Boost Mini LED Sales

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Apple’s launch of a new iPad Pro early next year will spur a wave of demand in the LED supply chain, says TrendForce

According to the latest investigations by the LEDinside research division of TrendForce, in Q1 2021 Apple is expected to not only release its 12.9-inch, Mini LED backlight-equipped iPad Pro, but also open contract bids for its 14-inch and 16-inch MacBooks. LEDinside forecasts that Apple's upcoming releases will generate a growth in Mini LED demand, and consequent activity amongst Mini LED companies to increase their production capacities.

Apple has currently chosen Taiwanese manufacturers to supply its Mini LED backlights. Suppliers expected to participate include LED chip manufacturer Epistar, testing and sorting OEM FitTech, pick & place and die attach solutions provider Saultech, SMT supplier TSMT, and PCB backplane manufacturer Zhen Ding Tech - all of which serve important roles in the development of new Mini LED backlight displays.

Mini LED backlight displays

Mini LED backlight displays have high brightness and high contrast ratios, which can reach upwards of 1,000,000:1, compared to the 10,000:1 contrast ratios of current mainstream displays. Furthermore, Mini LED displays are also highly reliable, as they can maintain their proper functioning and deliver a consistent brightness in harsh environments with temperatures between -10 degC and 60degC.

These strengths mean that Apple has incorporated Mini LED backlights as one of its core areas of focus for future planning of new display products. Although Chinese manufacturers currently possess enormous production capacity and cost advantages in the upstream and downstream LED supply chain, Apple has instead chosen to collaborate with Taiwanese manufacturers (which form a more stable supply chain), in an effort to avoid impacts from the China-US trade war.

In addition, Taiwan invested in LED R&D significantly earlier than China did, meaning it leads the latter in terms of both technological maturity and patents. These advantages, combined with the ease of procuring raw materials and components, make Taiwanese suppliers more efficient in the development of new technologies.

Apple's 12.9-inch iPad Pro is expected to feature 10,384 Mini LED chips and achieve high contrast ratio and high colour saturation through local dimming; as such, the biggest challenge facing manufacturers in the supply chain remains the demand for low cost and high yield rate, according to TrendForce.

From the perspective of LED chips, Epistar remains Apple's first choice because of its products' high degree of consistency and cost-performance ratio, as well as its protection of patents. Also, Mini LED backlight technology requires an extremely stringent testing and sorting process for LED chips based on wavelength and specifications; FitTech and Saultech are thus able to become key partners for Epistar due to their cost-to-performance advantage as well.

On the other hand, SMT supplier TSMT is in partnership with K&S, as specified by Apple, to attempt to overcome mass production bottlenecks through their specific high-speed SMT process. For PCB backplanes, Apple has chosen to collaborate with Korean manufacturer YP Electronics and Taiwan-based Zhen Ding Tech, a subsidiary of longtime Apple ODM Hon Hai Precision Industry (better known as Foxconn). Finally, Apple has partnered with Heesung Electronics and LG Display, both Korean manufacturers, to supply its backlight modules and panels. With the release of Apple's new models, more and more suppliers, such as GIS, Radiant, Sharp, and BOE, are expected to become part of Apple's supply chain.

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