The microLED IP surge, from Yole’s perspective

April 16, 2020 //By Julien Happich
microLED
Yole Developpement’s analysts estimate that the cumulated effort in microLED to date reaches close to US$4.8 billion, with Apple alone close to $1.8 billion, factoring in both the Luxvue acquisition and internal developments.

Excluding this acquisition and the recent deal between Facebook and Plessey, Startup have raised a cumulated US$800m to date and could add another $100 million in 2020 pending disruption due to the Covd-19 pandemic. In addition, panel makers such as Samsung, LG, AUO or Innolux also significantly increased their efforts.

"The increase in patents coming from China is remarkable", comments Eric Virey, Principal Display Market and Technologies Analyst within the Photonics, Sensing & Display division at Yole Développement. "Many of those microLED patents are questionable. Nevertheless, established players shouldn’t underestimate their Chinese competitors and dismiss the threat: some patents show world class innovation and demonstrate a strong resolve to close the gap with established rivals.” In addition, in high volumes, even low quality patents can be used as bargaining tools to fend off infringement lawsuits, negotiate cross licensing agreements etc.

The proliferation of subpar patents may however hinder innovation as it increases barriers to entry: increasing resources are required to conduct freedom-to-operate analysis, monitor patent activities, try to invalidate wrongly granted patents and respond to infringement lawsuits.

Over the last 2 years, the industry has entered what can be seen either as a virtuous cycle or a bubble: companies are jumping on the µLED bandwagon for fear of being left out. Eric Virey explains: “Display makers dominated IP activity in 2019. Most were initially dismissive of µLEDs but all are now accelerating their effort. BOE now leads in volume with close to 150 new patent families in 2019 alone.”
LG, AUO, Samsung, CSOT, Tianma, Innolux, CEC Panda, Visionox and companies in the Foxconn group all dramatically increased activity as well. Korean companies are investing massively in OLED but µLED could be a credible alternative for high end TVs. Chinese makers are at least 3 years behind Korea in OLED, so µLED could be a more differentiating play. For companies such as AUO or Innolux that haven’t invested in OLED, µLED could be critical for long term survival and allow them to remain relevant in various high end market segments without requiring OLED-like multi-billion dollar capex.

Many companies now have portfolio addressing multiple technology nodes. Licensing and legal battles will likely arise if µLED displays enter volume manufacturing. Except in the field of microdisplays where the most capex-intensive manufacturing steps can easily be outsourced, startups and small companies are not planning to become display makers. Rather, most will focus on their core expertise and attempt to license their technology to established display makers and OEMs.

In the microLED IP world, Samsung pursues multiple development tracks, Apple slows down and startups remain a major innovation force. In order to compete with LG’s white OLED and maintain its leadership in the high TV market segment, Samsung Display Co. (SDC), announced a US$13 billion investment to develop and manufacture QD-OLED by 2021-2022. But Samsung is hedging its bets: its Visual Display group is developing µLED using in house mass transfer and chips developed by Playnitride. The company showed impressive 75” to 150” µLED TV prototypes at CES 2020…Meanwhile, Samsung Display’s is following its own development track and its QNED nanorod µLED “ink”, while still at an early stage, could be disruptive and bring the full benefits of µLED to its emerging QD-OLED technology and manufacturing infrastructure.


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