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Advanced solutions for high-performance GaN MicroLED displays
Author(s): François Templier; Jeannet Bernard; Stéphane Caplet; Alexis Bédoin; Helge Haas
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Paper Abstract

We review the main challenges for fabricating high performance microLED displays for direct view applications from watch to large area TV. The main one is the transfer process of the microLEDs on the large area TFT backplane. We show how the microtube technology developed at LETI can ensure in one step both the mechanical and electrical connection between the two parts. Driving electronics is also a strong challenge. We also report a new approach providing full CMOS driving of the MicroLED display and a more efficient transfer solution. This new approach is paving the way for high-performance MicroLED displays, and in a much wider range of applications.

Paper Details

Date Published: 1 March 2019
PDF: 6 pages
Proc. SPIE 10918, Gallium Nitride Materials and Devices XIV, 109181Q (1 March 2019); doi: 10.1117/12.2509915
Show Author Affiliations
François Templier, Univ. Grenoble Alpes, CEA-LETI (France)
Jeannet Bernard, Univ. Grenoble Alpes, CEA-LETI (France)
Stéphane Caplet, Univ. Grenoble Alpes, CEA-LETI (France)
Alexis Bédoin, Univ. Grenoble Alpes, CEA-LETI (France)
Helge Haas, Univ. Grenoble Alpes, CEA-LETI (France)

Published in SPIE Proceedings Vol. 10918:
Gallium Nitride Materials and Devices XIV
Hiroshi Fujioka; Hadis Morkoç; Ulrich T. Schwarz, Editor(s)

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