White LED

Georg Bogner; Alexandra Debray; Guenther Heidel; Klaus Hoehn; Ulrich Mueller; Peter Schlotter

doi:10.1117/12.344473

14 April 1999 White LED

Georg Bogner, Alexandra Debray, Guenther Heidel, Klaus Hoehn, Ulrich Mueller, Peter Schlotter

Proceedings Volume 3621, Light-Emitting Diodes: Research, Manufacturing, and Applications III; (1999) https://doi.org/10.1117/12.344473
Event: Optoelectronics '99 - Integrated Optoelectronic Devices, 1999, San Jose, CA, United States

Abstract

Since several years light emitting diodes are in use to generate white light. Pixels with green, red and blue LED's are arranged to get any coordinate in the CIE--diagram with matched current for each diode. For instance Siemens Opto Semiconductor now OSRAM Opto Semiconductor offers multi chip LED's (LHGB T676) especially for the application above. A far better solution for producing white light represents luminescence conversion. The emitted light of blue diodes is used as a primary source for exciting organic or inorganic fluorescent. By conversion, `Stokes Shift', red, green, yellow and mixed colored light can be generated.

Citation Download Citation

Georg Bogner, Alexandra Debray, Guenther Heidel, Klaus Hoehn, Ulrich Mueller, and Peter Schlotter "White LED", Proc. SPIE 3621, Light-Emitting Diodes: Research, Manufacturing, and Applications III, (14 April 1999); https://doi.org/10.1117/12.344473

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