HIGH REFRACTIVE INDEX COMPOSITES FOR REFLECTIVE DISPLAYS
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Dec 21, 2015
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Dec 31, 2014
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To maximize the critical angle, θc, and the reflectance, R, in total internal reflection reflective image displays, the difference in the refractive indices between the surface of the transparent front sheet and the liquid medium comprising of electrophoretically mobile particles must be maximized. High index optical glasses may be used to fabricate the front sheet but are costly and difficult to manufacture with fine structural features. Polymers may be used to fabricate the transparent front sheet as they are cheaper and simpler to process into desired structures but typically have low indices of refraction. Polymers comprising of dispersed high refractive index particles may be used to increase the refractive index of the transparent front sheet. The polymers may be formed from UV-curable liquid monomers.
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