Abstract

AbstractWe succeeded in fabricating high power blue (445nm) laser diodes (LDs) with an output power of 1.0W for a light source of laser TV. The operating current, voltage and wall‐plug efficiency of these LDs were 920mA, 4.5V, and 24.2%, respectively. The estimated lifetime of these LDs was over 30,000h under continuous‐wave (CW) operation.

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