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A high‐power phosphor‐converted white wafer‐level LED with 92,000 lm was demonstrated. The high‐power white LED was manufactured by utilising a blue single wafer‐level LED chip coated with a 60‐μm‐thick thin film phosphor layer. The electrical and optical characteristics of the LED were measured. Results show that the luminous fl ux and luminous efficacy reach to 92,000 lm and ~89 lm/W at an input...
A high‐power phosphor‐converted white wafer‐level LED with 92,000 lm was demonstrated. The high‐power white LED was manufactured by utilising a blue single wafer‐level LED chip coated with a 60‐µm‐thick thin film phosphor layer. The electrical and optical characteristics of the LED were measured. Results show that the luminous flux and luminous efficacy reach to 92,000 lm and ∼89 lm/W at an input...
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