Study of High-Performance LED Projection Lamp for Long-distance Projection
碩士 === 國立中央大學 === 光電科學與工程學系 === 106 === In this thesis, we had successfully analyzed optical performance of commercial high-power pcW-LEDs. The analysis included the étendue and exitance of the light sources, and these properties is an indicator for the application of long-distance projection. In ad...
Main Authors: | , |
---|---|
Other Authors: | |
Format: | Others |
Language: | zh-TW |
Published: |
2018
|
Online Access: | http://ndltd.ncl.edu.tw/handle/pndj5f |
id |
ndltd-TW-106NCU05614059 |
---|---|
record_format |
oai_dc |
spelling |
ndltd-TW-106NCU056140592019-10-31T05:22:27Z http://ndltd.ncl.edu.tw/handle/pndj5f Study of High-Performance LED Projection Lamp for Long-distance Projection 高光效 LED 遠距離投射燈之研究 Kuan-Yu Chen 陳觀宇 碩士 國立中央大學 光電科學與工程學系 106 In this thesis, we had successfully analyzed optical performance of commercial high-power pcW-LEDs. The analysis included the étendue and exitance of the light sources, and these properties is an indicator for the application of long-distance projection. In addition, we proposed a long-distance projection lamp design with secondary optical components, as well as a proper LED light source to build up an optical module with high optical performance. Under driving power 5.2 watts, the optical module behaves long-distance project, where FWHM of divergence angle were 1.33 degrees, optical efficiency was 77 %, optical utilization factor was 45.9%, and the projection distance was 1055.5 m. Finally, after confirming the design results by experiment, a luminaire with 3×3 modules to produce a projection of distance as long as 3.1 km with driving power of 41.8 watts. The luminaire has several advantages, such as light weight, energy saving and low cost, and is expected to be used in special lighting applications such as border, marine or decoration. Dr. Ching-Cherng Sun Dr. Tsung-Hsun Yang 孫慶成博士 楊宗勳博士 2018 學位論文 ; thesis 112 zh-TW |
collection |
NDLTD |
language |
zh-TW |
format |
Others
|
sources |
NDLTD |
description |
碩士 === 國立中央大學 === 光電科學與工程學系 === 106 === In this thesis, we had successfully analyzed optical performance of commercial high-power pcW-LEDs. The analysis included the étendue and exitance of the light sources, and these properties is an indicator for the application of long-distance projection. In addition, we proposed a long-distance projection lamp design with secondary optical components, as well as a proper LED light source to build up an optical module with high optical performance. Under driving power 5.2 watts, the optical module behaves long-distance project, where FWHM of divergence angle were 1.33 degrees, optical efficiency was 77 %, optical utilization factor was 45.9%, and the projection distance was 1055.5 m. Finally, after confirming the design results by experiment, a luminaire with 3×3 modules to produce a projection of distance as long as 3.1 km with driving power of 41.8 watts. The luminaire has several advantages, such as light weight, energy saving and low cost, and is expected to be used in special lighting applications such as border, marine or decoration.
|
author2 |
Dr. Ching-Cherng Sun |
author_facet |
Dr. Ching-Cherng Sun Kuan-Yu Chen 陳觀宇 |
author |
Kuan-Yu Chen 陳觀宇 |
spellingShingle |
Kuan-Yu Chen 陳觀宇 Study of High-Performance LED Projection Lamp for Long-distance Projection |
author_sort |
Kuan-Yu Chen |
title |
Study of High-Performance LED Projection Lamp for Long-distance Projection |
title_short |
Study of High-Performance LED Projection Lamp for Long-distance Projection |
title_full |
Study of High-Performance LED Projection Lamp for Long-distance Projection |
title_fullStr |
Study of High-Performance LED Projection Lamp for Long-distance Projection |
title_full_unstemmed |
Study of High-Performance LED Projection Lamp for Long-distance Projection |
title_sort |
study of high-performance led projection lamp for long-distance projection |
publishDate |
2018 |
url |
http://ndltd.ncl.edu.tw/handle/pndj5f |
work_keys_str_mv |
AT kuanyuchen studyofhighperformanceledprojectionlampforlongdistanceprojection AT chénguānyǔ studyofhighperformanceledprojectionlampforlongdistanceprojection AT kuanyuchen gāoguāngxiàoledyuǎnjùlítóushèdēngzhīyánjiū AT chénguānyǔ gāoguāngxiàoledyuǎnjùlítóushèdēngzhīyánjiū |
_version_ |
1719284419161751552 |