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

Introduction

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Introduction. To ensure the improvements of the electrical and optical properties of step-stage LEDs, a dual-stage LED is also fabricated for comparison. Experiments. p- contact. p- GaN. EBL. ww. MQW. n- contact. 1µm-thick. n- GaN. - PowerPoint PPT Presentation

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Page 1: Introduction

Introduction

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

Page 2: Introduction

Experiments

1µm-thick Buffer layer

n- contact

p- contact

EBL

p- GaN

1µm-thickn-GaN

Sapphire

Fig. Illustration of TMIn flow rate for controlling the indium compositionduring the growth of dual-stage and step-stage MQW structure.

wwMQW

Chip size:1.61 mm2