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2001•Chinese Journal of LuminescenceRequires access

White Light Emitting Diode Matrix and Its Main Parameters

Jiang Da

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Abstract

The white LED matrix was fabricated.The brightness,efficiency, color coordinate and color index were measured.The parameters of the white LED matrix were compared with that of Nichia. The maximum efficiency of 8 6 lm/W was obtained under 300mA . While the current is less than 700mA, the efficiency is larger than 7 lm/W. The change of color coordinate is very small and the color index is between 75 and 85, when the current changes from 100mA to 1000mA.

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What this paper is about

The white LED matrix was fabricated.The brightness,efficiency, color coordinate and color index were measured.The parameters of the white LED matrix were compared with that of Nichia. The maximum efficiency of 8 6 lm/W was obtained under 300mA . While the current is less than 700mA, the efficiency is larger than 7 lm/W. The change of color coordinate is very small and the color index is between 75 and 85, when the current changes from 100mA to 1000mA.

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Available abstract

The white LED matrix was fabricated.The brightness,efficiency, color coordinate and color index were measured.The parameters of the white LED matrix were compared with that of Nichia. The maximum efficiency of 8 6 lm/W was obtained under 300mA . While the current is less than 700mA, the efficiency is larger than 7 lm/W. The change of color coordinate is very small and the color index is between 75 and 85, when the current changes from 100mA to 1000mA.

Key concepts: Brightness, Materials science, Diode, Matrix (chemical analysis), Optics, Light-emitting diode, White light, White (mutation)

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