Abstract
A phosphor-in-glass (PiG) with red and green phosphors using Nd-doped glass as a host matrix was fabricated to produce a white light emitting diode (wLED) with a wide color gamut. The Lu3Al5O12:Ce3+ and CaAlSiN3:Eu2+ contents were adjusted to achieve white emission for liquid crystal display (LCD) applications. The silicate glass was doped with varying concentrations of Nd2O3 to modify the photoluminescence spectra of the wLED, by the hypersensitive absorption of the Nd3+:I9/24→G5/24,G27/2 transition. The color coordination, the color rendering index, and the color co-related temperature of the PiG-mounted LEDs were modified by the introduction of Nd3+. The color gamut of the wLED was monitored and found to have effectively improved with the Nd3+-doped silicate glass.
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