Document Detail

Investigation of pitch and angle in the gradual-triangle lenticular lens for point-blank LED fog lamp.
MedLine Citation:
PMID:  24922033     Owner:  NLM     Status:  Publisher    
The effects of different pitch and angle of gradual-triangle lenticular lens for the point-blank LED fog lamp were investigated under the standard of ECE R19. The novel LED fog lamp was assembled from a point-blank LED light source, a parabolic reflector, and a gradual-triangle lenticular lens. Light tracing analysis was used for the design of the gradual-triangle lenticular lens. The pitch, which varied from 1 to 6 mm, and the apex angle, which changed from 5 to 32 deg, were both investigated in regard to the gradual-triangle lenticular lens. The optimum pitch was 5 mm, and the efficiency of the lamp system and lenticular lens could reach 93% and 98.1% by simulation, respectively. The results of experiment had over 94%, which is similar to that of simulation by normalized cross correlation (NCC) for the light intensity.
Hsi-Chao Chen; Chi-Hao Yang
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Publication Detail:
Journal Detail:
Title:  Applied optics     Volume:  53     ISSN:  1539-4522     ISO Abbreviation:  Appl Opt     Publication Date:  2014 May 
Date Detail:
Created Date:  2014-6-12     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0247660     Medline TA:  Appl Opt     Country:  -    
Other Details:
Languages:  ENG     Pagination:  3110-3118     Citation Subset:  -    
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