Recently, the novel development of light guide is V-cut light guide
which integrate the micro-prisms on the top and bottom surface of the
light guide. Although the V-cut light guide can use the energy of light
source efficiently, its uniformity is lower than the traditional scattering
dots light guide. Therefore, the purpose of this study is to improve the
low uniformity phenomenon of V-cut light guide. First, this study designs
three micro-structures on the bottom surface of light guide, and analyzes
the influences of shape and geometric parameters of each micro-structure
on the luminous flux enhancement. Then, on the top surface of light guide,
the micro-lens are modeled which includes the scattering characteristic of
diffuser in order to improve the backlight uniformity. It can achieve the
effect of diffuser does through the design of scattering micro-lens, so it
can save the cost of diffuser. Finally, the integrated design of 7 inches
light guide and diffusion structures was simulated by using commercial
software LightTools, and the result shows that the backlight uniformity
can achieve 90.6%.
| Identifer | oai:union.ndltd.org:NSYSU/oai:NSYSU:etd-0706107-170234 |
| Date | 06 July 2007 |
| Creators | Lin, Chih-Hsing |
| Contributors | none, none, none, Chi-Hui Chien, none |
| Publisher | NSYSU |
| Source Sets | NSYSU Electronic Thesis and Dissertation Archive |
| Language | English |
| Detected Language | English |
| Type | text |
| Format | application/pdf |
| Source | http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0706107-170234 |
| Rights | off_campus_withheld, Copyright information available at source archive |
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