39‐1: Invited Paper: RGB Nanowire Based Micro‐LED Chips For Efficient and High Performance Ultra Fine Pitch Direct View Displays

One of the micro‐LED direct view display major challenges is to find ways of drastically dropping the cost, for instance, by reducing the micro‐LED size, simplifying the assembly process and improving the assembly yield. In this paper, we present Aledia's GaN‐on‐Si nanowire (NW) LED technology...

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Published in:SID International Symposium Digest of technical papers 2024-04, Vol.55 (S1), p.334-338
Main Authors: Robin, Ivan-Christophe, Tchoulfian, Pierre, Sannicolo, T., Malier, Yoann, Butaud, Eric, Gilet, Philippe
Format: Article
Language:English
Subjects:
Assembly
Backplanes
Color
display
Glass substrates
Light emitting diodes
Manufacturing
Micro‐LED
nanowire
Nanowires
Quantum dots
Wafers
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creator Robin, Ivan-Christophe
Tchoulfian, Pierre
Sannicolo, T.
Malier, Yoann
Butaud, Eric
Gilet, Philippe
description One of the micro‐LED direct view display major challenges is to find ways of drastically dropping the cost, for instance, by reducing the micro‐LED size, simplifying the assembly process and improving the assembly yield. In this paper, we present Aledia's GaN‐on‐Si nanowire (NW) LED technology made on standard 8 “Si wafers, scalable to 12” wafers. We will present two components using our NW technology and their use case for the manufacturing of micro‐LED direct view fine pitch display: NWs RGB three color chips obtained using quantum dot (QD) color conversion at chip level. The RGB chips can then be transferred on PCB or glass or TFT substrates for panel manufacturing. The integration within the same chip of a three color RGB chip together with its CMOS driving electronics. Those chips allow to obtain an active‐matrix architecture on any passive backplane without the use of TFT.
doi_str_mv 10.1002/sdtp.17076
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subjects Assembly
Backplanes
Color
display
Glass substrates
Light emitting diodes
Manufacturing
Micro‐LED
nanowire
Nanowires
Quantum dots
Wafers
title 39‐1: Invited Paper: RGB Nanowire Based Micro‐LED Chips For Efficient and High Performance Ultra Fine Pitch Direct View Displays
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