CPC A61N 5/0618 (2013.01) [H05B 45/22 (2020.01); H05B 45/28 (2020.01); H05B 47/115 (2020.01); A61N 2005/0626 (2013.01); A61N 2005/0652 (2013.01)] | 8 Claims |
1. A backlight system comprising:
first, second, third, fourth, fifth and sixth LED strings, each LED string comprising one or more LEDs having an associated luminophoric medium;
said first, second, third, fourth, fifth and sixth LED strings being configured to emit blue, red and/or LRNE, short-blue-pumped cyan, long-blue-pumped cyan, yellow, and violet, respectively;
a controller for independently controlling said first, second, third, fourth, fifth and sixth LED strings in at least three modes, a first mode in which said second, fifth and sixth LED strings are powered to emit a relatively low EML light, a second mode in which said first, second, and fourth LED strings are powered to emit a relatively high EML light, and a third mode in which said first, second, and third LED strings are powered to emit a high fidelity light having an Ra of at least 90.
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