UK GaN micro-LED display at San Jose Display Week

2022-05-21 11:49:26 By : Ms. Lily Lee

By Steve Bush 4th May 2022

Cambridge GaN colour micro-LED company Porotech will be unveiling a multi-colour display technology at Display Week in California next week, using identical pixels from a single wafer to create colour.

Its “PoroGaN platform makes it possible for each individual tiny LED on an epiwafer to emit all colours of the visible spectrum”, according to the company. “At this stage, the proof-of-concept displays are tuneable mono-colour, with uniform brightness and colour for display products in the micrometre and nanometre space.”

PoroGaN and dynamic pixel technology are paving the way to a monolithic full-colour RGB displays, it added.

“The wavelength of the emitted light is what is being tuned, Porotech told Electronics Weekly. “It is a mono-colour display, in that only one colour at a time can be displayed, but that colour can be changed/tuned.”

The platform also enables a one-step wafer-to-wafer bonding process for micro-display making.

“In the case of micro-displays, it eliminates the need for transfer by allowing wafer-scale bonding of epiwafer to backplane in a single step,” said ,” said Porotech CEO and co-founder Tongtong Zhu. “The simplification of the process delivers high yield.”

See stand R23 in the I-Zone of Display Week at the San Jose Convention Center 10-12 May. Zhu is also among the speakers at the event’s 9 May business conference.

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