The Buy-in
For HKC it gives the company potential to rapidly expand its OLED production capacity, but as the JDI fab itself was producing displays using LTPO backplanes (Low-Temperature Poly-Oxide) the question is whether HKC will license and use JDI’s LTPO technology or their own proprietary LTPO configuration. More on that in a minute…
HKC and JDI signed a joint development agreement in 2023 to build a new OLED fab using eLEAP, Japan Display’s photolithographic OLED patterning process, but the program was cancelled later that year, ostensibly because HKC had a problem with JDI’s license fees. Given the more desperate financial situation Japan Display is currently in, those fees might have changed. How that plays out under the sale could determine what OLED course HKC eventually takes.
Last month HKC announced that it had produced its first OLED display, which has led some to speculate that HKC could take over production of displays for the Apple (AAPL) watch was being produced in the Mobara fab by Japan Display. We recently noted that LG Display (LPL), would likely be picking up JDI’s production share for the Apple watch given Japan Display’s shutdown timeline, and we stick to that thought, at least for the 2026 year. It is easy to assume that HKC will step right into Apple’s smartwatch supply chain, but the process is considerably more complex, especially with Apple. HKC would likely have to get requalified both on a product basis and as a producer, both of which take time and can be daunting, especially from a manufacturing standpoint, as Apple is extremely meticulous about production methodology. Given HKC’s relatively short experience with OLED production we expect the process to take some time.
The question we noted above whether HKC will license JDI’s LTPO technology or use its own also comes into play here, as anything HKC can do to maintain production process continuity, will go toward helping HKC become an Apple display producer and shortening the product and process review. If JDI is willing to offer the LTPO license at a reasonable price point, it might be worthwhile for HKC to license it, rather than go through another process evaluation.
The HKC acquisition of the Royole G5.5 fab presents some other challenges. Royole has a proprietary low temperature backplane process that allowed the use of a plastic substrate, but the company was very vague about the process used for the actual OLED material deposition. While HKC could shift the Royole fab to be exclusively producing TFT backplanes for OLED displays and focus Mobara strictly on deposition, it would involve a number of logistical and technical challenges, again making the qualification process at Mobara more complex. A possible solution might be to move the Royole backplane lines to Mobara, but we have some trouble understanding what the Royole fab would then be used for. It was quite inexpensive however, which was a bonus for HKC.
The Facts:
- China represents 56.1% of global panel sales value (as of 8/25)
- HKC represents 8.1% of global panel sales value.
- HKC represents 13.9% of China’s global panel sales.
- HKC generates ~424m/month in panel sales (2025)
- HKC operates four Gen 8.6 LCD fabs in various locations in China.
- HKC purchased what was a Gen 5.5 flexible OLED fab from Royole for less than $71m. The company produced its first OLED display in July of this year.
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