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Technical Journal No.2 (August 1999)
Special Papers
Development of Reflector for HR-TFTs

Kazuhiko TsudaNaofumi KimuraShigeaki Mizushima

A novel method to estimate and design a reflector for reflective color LCDs has been developed. This method is based on the assumption that the surface shape of bumps on the reflector could be practically replaced with a set of multiple micro-flat mirrors.
Light scattering characteristics of a reflector can be calculated from the slope angle distribution of these micro-flat mirrors. This led us to propose the ideal bump shape of the reflector for reflective color LCDs.
Analyses of actual reflectors verify this method, and an approximately ideal reflector was fabricated by optimizing the bump shape.

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