研究生: |
張家峻 Jia-Jun Zhang |
---|---|
論文名稱: |
氮化鎵光偵測器結合Arduino藍芽模組應用於遠端警示 GaN-based photodetector combined with Arduino Bluetooth module for remote warning |
指導教授: |
葉秉慧
Pinghui Sophia Yeh |
口試委員: |
葉秉慧
Pinghui Sophia Yeh 李志堅 Chih-Chien Lee 徐世祥 Shih-Hsiang Hsu 周錫熙 hsi-hsir.chou |
學位類別: |
碩士 Master |
系所名稱: |
電資學院 - 電子工程系 Department of Electronic and Computer Engineering |
論文出版年: | 2020 |
畢業學年度: | 108 |
語文別: | 中文 |
論文頁數: | 143 |
中文關鍵詞: | 氮化鎵 、光偵測器 、光電晶體 |
外文關鍵詞: | GaN, photodetector, phototransistor, Arduino |
相關次數: | 點閱:436 下載:0 |
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本論文主要研究氮化鎵光偵測器與LED警示燈模組,在功能上做應用端的延伸以及元件改良,使研發模組具有更好的元件性能以及多樣的應用端功能,來實現未來商業化的可能性。
在模組元件氮化鎵光偵測器與LED的特性上,量測實驗室製作的元件;包括兩種紫外光偵測器元件(p-i-n結構光偵測器以及n-p-i-n結構之光電晶體)的光電特性,暗電流大小、外部量子效率在不同偏壓下的響應率;以及量測兩種顯示端元件(發光二極體及七段顯示器)的光電特性,包括I-V、L-I效率曲線。
在模組功能應用端上,本研究結合微電腦控制板-Arduino,來延伸出進階的應用功能;藉由去年實驗室設計出的OPA電流-電壓放大電路輸出之電壓值,透過Arduino微電腦板類比電壓讀取功能,讀取電壓訊號,並撰寫程式定義紫外光危害區間,做危害分級程度。輸出端則利用七段顯示器,顯示其危害警示程度。
由於紫外光是無法透過人眼來得知其強弱,在不知情狀況下,常常已經受到紫外線危害,所以另一項模組設計結合Arduino微電腦板及藍芽模組功能,將此危害程度,透過藍芽傳輸的方式,來達到遠端警示功能,提早做預防保護,例如當偵測到室內正在使用紫外線燈消毒,門口立即閃爍警示燈,本研究做出了一個原型機。
This paper mainly develops GaN based photodetectors and LED warning light modules. The applications extension and component improvements are made in terms of function, so that the module has better component performance and diverse application functions, we want to success to develop a product in the future.
In terms of the characteristics of the GaN photodetectors module and LED components, measure the components made in the lab; including two types of UV photodetector (p-i-n structure photodetector and n-p-i-n structure phototransistor) the characteristics about dark current, response time and external quantum efficiency, under different biases; and measure the characteristics of two display components (light-emitting diodes and seven-segment displays), including I-V and L-I efficiency curves.
On the application of the module function, this research combines the circuit board-Arduino to extend the advanced application functions; through the voltage value output by the OPA current-voltage amplifier circuit designed in the lab last year, through the Arduino board analog reading function, read the voltage signal, and write a program to define the UV hazard level, and do the hazard classification. The output terminal uses a seven-segment display to display the degree of hazard warning.
The UV light cannot be known through the human eye, it is often harmed by UV light without knowing it. Therefore, another module design combines the functions of the Arduino board and the Bluetooth module to achieve this harm through the Bluetooth transmission is used to achieve the remote warning function, and preventive protection early. For example, when it is detected that an UV lamp is used for disinfection in the room, the door immediately flashes a warning light. This research has made a prototype.
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