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Proceedings Paper

High-resolution active-matrix 10-um pixel-pitch GaN LED microdisplays for augmented reality applications
Author(s): François Templier; Ludovic Dupré; Bertrand Dupont; Anis Daami; Bernard Aventurier; Franck Henry; Denis Sarrasin; Sébastien Renet; Frédéric Berger; François Olivier; Lydie Mathieu
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Paper Abstract

We report high resolution (873 x 500), active-matrix, GaN-based LED microdisplays with a pixel pitch of 10 μm. They exhibit the highest resolution for the smallest pixel pitch ever reported for GaN microdisplays. High-density GaN μLED arrays were first patterned at 10-μm pitch on sapphire substrates. Arrays were then hybridized on CMOS active-matrix using the microtube technology. Blue and green monochrome prototypes have been realized. Full video, high-resolution images have been obtained. The performance of these GaN-based microdisplays make them suitable for a wide range of applications from augmented reality and head-up displays to pico- and compact projectors.

Paper Details

Date Published: 19 February 2018
PDF: 6 pages
Proc. SPIE 10556, Advances in Display Technologies VIII, 105560I (19 February 2018); doi: 10.1117/12.2294527
Show Author Affiliations
François Templier, CEA-LETI (France)
III-V Lab. (France)
Ludovic Dupré, CEA-LETI (France)
III-V Lab. (France)
Bertrand Dupont, CEA-LETI (France)
III-V Lab. (France)
Anis Daami, CEA-LETI (France)
III-V Lab. (France)
Bernard Aventurier, CEA-LETI (France)
III-V Lab. (France)
Franck Henry, CEA-LETI (France)
III-V Lab. (France)
Denis Sarrasin, CEA LETI (France)
III-V Lab. (France)
Sébastien Renet, CEA-LETI (France)
III-V Lab. (France)
Frédéric Berger, CEA-LETI (France)
III-V Lab. (France)
François Olivier, CEA-LETI (France)
III-V Lab. (France)
Lydie Mathieu, CEA-LETI (France)
III-V Lab. (France)

Published in SPIE Proceedings Vol. 10556:
Advances in Display Technologies VIII
Liang-Chy Chien; Tae-Hoon Yoon; Qiong-Hua Wang, Editor(s)

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