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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Rongfeng Guan Dalei Tian Xing Wang |
| Copyright Year | 2008 |
| Description | Author affiliation: Inst. of Mater. Sci. & Eng., Henan Polytech. Univ., Jiaozuo (Rongfeng Guan; Dalei Tian; Xing Wang) |
| Abstract | LEDs have becoming the most suitable candidate replacing traditional fluorescent lamps because of its energy-efficient, the introduction of high brightness LEDs with white light and monochromatic colors have led to a movement towards general illumination. This revolutionizes the optoelectronics market, enabling engineers to use LEDs for general lighting applications as well as medical, indoor lighting and automotive solutions. So variable LED array modules were developed, they are making great strides in terms of lumen performance and reliability, however the barrier to widespread use in general illumination still remains the cost or luminous efficiency, special requirements concerning optical properties and optomechanical layout have to be met. In order to meet the requirements of indoor illumination, a LED daylight lamp model was designed, it can replace traditional fluorescent lamp without insteading additional power supply establishment. The optical properties of the model were simulated using optical analysis software, its luminous efficiency is about 41 lm/W, the illuminance is about 50 lux when the distance is 1.5 m between the center of the model and measured spot, With the theoretically-optimized design of the LED model, experiments based on the results of the optimal simulation in the laboratory were conducted to verify the performance of the proposed LED model, it reaches a power factor of about 0.8 at 11 W. Results of the simulation are very similar with the measured values, it was testified that simulative method is one of the effective tools for LED lighting optical design. |
| Starting Page | 1 |
| Ending Page | 3 |
| File Size | 343544 |
| Page Count | 3 |
| File Format | |
| ISBN | 9781424427390 |
| DOI | 10.1109/ICEPT.2008.4606997 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2008-07-28 |
| Publisher Place | China |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Light emitting diodes Lighting Analytical models Optical variables measurement Optical design Integrated optics Optical filters |
| Content Type | Text |
| Resource Type | Article |
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