Pixel-to-Pixel Fiber-Coupled Emissive Micro-Light-Emitting Diode Arrays

We report on an integrated fiber-coupled bi-linear micro-light-emitting diode array, serving as a portable microdisplay system. The fiber bundle transforms the bi-linearly arranged optical signals from the emissive array into a 6-by-8 pixel microdisplay, offering a crisp and clear optical output. Th...

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Bibliographic Details
Published in:IEEE photonics journal 2009-06, Vol.1 (1), p.1-8
Main Authors: Zhu, L., Ng, C.W., Wong, N., Wong, K.K.Y., Lai, P.T., Choi, H.W.
Format: Article
Language:English
Subjects:
Arrays
Biomedical optical imaging
Bundling
Computer simulation
Diodes
Emissivity
fiber coupling
GaN
Light emitting diodes
micro-light-emitting diode
microdisplay
Microdisplays
Optical arrays
Optical coupling
Optical crosstalk
Optical fiber devices
Optical fibers
Optical imaging
Photonics
Pixels
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Summary:We report on an integrated fiber-coupled bi-linear micro-light-emitting diode array, serving as a portable microdisplay system. The fiber bundle transforms the bi-linearly arranged optical signals from the emissive array into a 6-by-8 pixel microdisplay, offering a crisp and clear optical output. The pixel-to-pixel coupling arrangement ensures optical coupling efficiency. Due to the narrow acceptance cones of optical fibers, individual pixels can be well resolved with minimal crosstalk. The performance and functionality of this optical system is fully evaluated. A model to determine the fiber-coupling efficiency was constructed; it was found that the simulated results compare well with the measured data.
ISSN:1943-0655
1943-0647
DOI:10.1109/JPHOT.2009.2020963