科研之友
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摘要
A highly efficient diffractive reflector with a rhombus shape angular distribution of reflected light for mobile liquid crystal display is developed. The fabricated diffractive reflector shows enhanced reflectance two times higher than the conventional bumpy reflector. The diffractive reflector composed of 25 surface relief microgratings is fabricated by photoresist patterning and metal deposition. The angular distribution of light that is reflected off the diffractive reflector is measured under specula illumination and diffusive illumination. The sufficient controllability of the angular distribution of the reflected light by the specific design of the period, orientation, and depth of each micrograting is shown.
- 出版日期2008-7-28
