Journal
OPTICS AND LASER TECHNOLOGY
Volume 97, Issue -, Pages 254-259Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.optlastec.2017.07.013
Keywords
Backlight; Light guide plate; Uniformity; Density dynamic adjustment algorithm; Compound optical film; Integrated backlight module
Categories
Funding
- Program for the Fujian Province Colleges 5 and Universities Outstanding Youth Scientific Research Personnel Training Project - Department of Education, Fujian Province, China
- Department of Education, Fujian Province, China [JAT160709, JAT160711]
- National Youth Science Foundation China (NYSF) [61405037]
- National Natural Science Foundation of China [11604051]
- 863 Program [2013 AA01-2]
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The density dynamic adjustment algorithm (DDAA) is designed to efficiently promote the uniformity of the integrated backlight module (IBLM) by adjusting the microstructures' distribution on the compound optical film (COF), in which the COF is constructed in the SolidWorks and simulated in the TracePro. In order to demonstrate the universality of the proposed algorithm, the initial distribution is allocated by the Bezier curve instead of an empirical value. Simulation results maintains that the uniformity of the IBLM reaches over 90% only after four rounds. Moreover, the vertical and horizontal full width at half maximum of angular intensity are collimated to 24 deg and 14 deg, respectively. Compared with the current industry requirement, the IBLM has an 85% higher luminance uniformity of the emerging light, which demonstrate the feasibility and universality of the proposed algorithm. (c) 2017 Elsevier Ltd. All rights reserved.
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