Diode light sources for retinal scanning displays

Dan C. Bertolet; Nima Bertram; John R. Lewis; Abraham A. Gross

doi:10.1117/12.344485

14 April 1999 Diode light sources for retinal scanning displays

Dan C. Bertolet, Nima Bertram, John R. Lewis, Abraham A. Gross

Proceedings Volume 3621, Light-Emitting Diodes: Research, Manufacturing, and Applications III; (1999) https://doi.org/10.1117/12.344485
Event: Optoelectronics '99 - Integrated Optoelectronic Devices, 1999, San Jose, CA, United States

Abstract

We present the results of an ongoing investigation into the use of directly modulated light emitting diodes and laser diodes as light sources for a retinal scanning display. Devices studied include commercially available single-mode 635 nm laser diodes, custom fabricated red edge-emitting LEDs, custom fabricated gallium nitride-based green and blue edge-emitting LEDs, and commercial LEDs. The diodes were characterized in both DC (light vs. current/voltage), and high frequency (approximately 1 ns rise/fall pulse) regimes, and measured for luminance using a CCD camera in conjunction with a variable image aperture, variable NA light collection system. Results show that edge-emitting LEDs and laser diodes are each suitable for a particular range of display requirements.

Citation Download Citation

Dan C. Bertolet, Nima Bertram, John R. Lewis, and Abraham A. Gross "Diode light sources for retinal scanning displays", Proc. SPIE 3621, Light-Emitting Diodes: Research, Manufacturing, and Applications III, (14 April 1999); https://doi.org/10.1117/12.344485

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