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>> The UK developer of green gallium nitride microLED successfully raised more than $600,000 7th,
Uk-based Kubos Semiconductors recently completed a $605,000 financing round. The funding will help the company push its cubic gallium nitride LED technology into new markets such as AR and VR microLED displays.
The funding came from existing investors, including Turquoise, the UK merchant bank, and its LCIF2 "green tech" fund, as well as individual new investors. This is the company's second round of funding, after its first round in 2020 ($920,000) was led by the LCIF2 fund, which also participated in this latest round.
Proprietary cubic gallium nitride technology greatly improves light output and efficiency
Founded in 2018, Kubos Semiconductors' unique cubic gallium nitride (" cubic GaN ") technology improves the light output and efficiency of green leds. Specifically, they saw the potential for their patented material to convert leds at a much faster rate than hexagonal crystal phases had been developed and significantly improve the efficiency of green leds.
The UK developer of green gallium nitride microLED successfully raised more than $600,000
The above image shows a 25μm(radius) cubic gallium nitride LED with quantum well peaks in the "green gap". Carrier lifetimes measured in cubic gallium nitride quantum Wells at less than 0.5ns show up to 20 times faster than typical C-sided hexagonal gallium nitride leds (≈10ns). (Photo source: Kubos Semiconductors official website)
Using a fabless semiconductor model, Kubos Semiconductors' technology is fully compatible with standard LED development processes on large wafers and enables lower serial production costs. Kubos Semiconductors has previously demonstrated the first commercially compatible LED based on a gallium nitride cubic crystal phase, promising more efficient solid-state lighting applications and groundbreaking visible light communication (VLC) applications. The company also plans to use this technology to produce red GaN leds in the future.
Commenting on the funding, Caroline O 'Brien, CEO of Kubos, said: "We are pleased to have secured the continued support of LCIF2 and our other shareholders and welcome a number of new investors that will help us achieve our technical and commercial goals. We are also excited about the prospect of developing our own technical capabilities in new markets, such as improving the efficiency of native red microleds for AR/VR and displays, as well as leds that provide high switching speeds for visible light communication applications."
Desmond Astley-Cooper, head of Turquoise, commented: "We are excited to be involved in the many uses of this exciting new material technology, including future small-size LED devices.
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