High-resolution active-matrix 10-um pixel-pitch GaN LED microdisplays for augmented reality applications

François Templier; Ludovic Dupré; Bertrand Dupont; Anis Daami; Bernard Aventurier; Franck Henry; Denis Sarrasin; Sébastien Renet; Frédéric Berger; François Olivier; Lydie Mathieu

doi:10.1117/12.2294527

19 February 2018 High-resolution active-matrix 10-μm pixel-pitch GaN LED microdisplays for augmented reality applications

François Templier, Ludovic Dupré, Bertrand Dupont, Anis Daami, Bernard Aventurier, Franck Henry, Denis Sarrasin, Sébastien Renet, Frédéric Berger, François Olivier, Lydie Mathieu

Author Affiliations +

Proceedings Volume 10556, Advances in Display Technologies VIII; 105560I (2018) https://doi.org/10.1117/12.2294527
Event: SPIE OPTO, 2018, San Francisco, California, United States

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.

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François Templier, Ludovic Dupré, Bertrand Dupont, Anis Daami, Bernard Aventurier, Franck Henry, Denis Sarrasin, Sébastien Renet, Frédéric Berger, François Olivier, and Lydie Mathieu "High-resolution active-matrix 10-μm pixel-pitch GaN LED microdisplays for augmented reality applications", Proc. SPIE 10556, Advances in Display Technologies VIII, 105560I (19 February 2018); https://doi.org/10.1117/12.2294527

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