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Design of highly efficient phosphor-converted white light-emitting diodes with color rendering indices (R1 − R15) ≥ 95 for artificial lighting | Scientific Reports
Novelty Place 100 Pcs 5mm White LED Diode Lights - [Ultra Bright] Clear Transparent DC 3V 20mA Emitting Diodes LEDs Bulb - DIY Science Project Electronics Components Lighting Kit - Walmart.com
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The Dark Side of LED Lightbulbs - Scientific American
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White Light Emitting Diode or White LED Light | Electrical4U