GaN基倒装LED与光栅的集成器件的仿真分析

周叶; 胡芳仁

doi:10.13873/j.1000-9787(2019)02-0034-03

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GaN基倒装LED与光栅的集成器件的仿真分析

研究与探讨 | 更新时间：2025-09-11

- GaN基倒装LED与光栅的集成器件的仿真分析
- Simulation and analysis of integrated device of inverited LED and grating based on GaN
- 传感器与微系统 2019年第2期页码：34-36
- 作者机构：
  
  南京邮电大学电子与光学工程学院
- 作者简介：
- 基金信息：
- DOI：10.13873/j.1000-9787(2019)02-0034-03
  中图分类号： TN312.8
- 纸质出版：2019
- 稿件说明：
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周叶, 胡芳仁. GaN基倒装LED与光栅的集成器件的仿真分析[J]. 传感器与微系统, 2019,(2):34-36.

ZHOU Ye, HU Fang-ren. Simulation and analysis of integrated device of inverited LED and grating based on GaN[J]. 2019, (2): 34-36.
周叶, 胡芳仁. GaN基倒装LED与光栅的集成器件的仿真分析[J]. 传感器与微系统, 2019,(2):34-36. DOI： 10.13873/j.1000-9787(2019)02-0034-03.

ZHOU Ye, HU Fang-ren. Simulation and analysis of integrated device of inverited LED and grating based on GaN[J]. 2019, (2): 34-36. DOI： 10.13873/j.1000-9787(2019)02-0034-03.

摘要

在发光二极管(LED)上制作光子光栅结构将会提高LED的光提取效率

这使得LED应用范围更广。根据时域有限差分法(FDTD)数值计算方法

利用Rsoft软件仿真设计了氮化镓(Ga N)基倒装LED和光栅的集成器件。主要改变光栅的高度、宽度

得到Λ=0. 6μm

w=0. 3μm

h=0. 3μm时

最大的出光效率89%。通过远场图分析了光束的准直性以及通过改变探测器偏转角度得到光提取效率的变化情况。

Abstract

Making photonic grating structure on light-emitting diode（ LED） will improve the light extraction efficiency of LED

which makes applications range of LED more wider. According to the finite difference time domain（FDTD）numerical calculation method

the integrated device of inverted LED and grating based on Ga N is designed and simulated by using Rsoft software. When Λ = 0. 6 μm

w = 0. 3 μm

h = 0. 3 μm

the maximum light extraction efficiency is 89 % by changing the height and width of grating. The collimation of light beam is analyzed by far field diagram

and the change of light extraction efficiency is obtained by changing the deflection angle of the detector.

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