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Improving Electrical and Optical Properties of Dual-Stage LEDs

This study compares the electrical and optical qualities of dual-stage and step-stage LEDs. Dual-stage LEDs are fabricated alongside step-stage LEDs for analysis. Experimental details include p-contact, p-GaN EBL, MQW, n-contact, n-GaN, TMIn flow rate control for indium composition, buffer layer, sapphire chip, and a chip size of 1.61 mm2.

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Improving Electrical and Optical Properties of Dual-Stage LEDs

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  1. Introduction • To ensure the improvements of the electrical and optical properties of step-stage LEDs, a dual-stage LED is also fabricated for comparison.

  2. Experiments p- contact p- GaN EBL ww MQW n- contact 1µm-thick n-GaN Fig. Illustration of TMIn flow rate for controlling the indium composition during the growth of dual-stage and step-stage MQW structure. 1µm-thick Buffer layer Sapphire Chip size:1.61 mm2

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