High-brightness projection display using spatial light modulators with polymer-dispersed liquid crystal

M. Kawakita, H. Kikuchi, T. Fujii, H. Fujikake, T. Aida, K. Takizawa

研究成果: Article査読

7 被引用数 (Scopus)

抄録

A brightness-enhanced full-color projection display using optically addressed spatial light modulators (SLMs) with light-scattering mode polymer-dispersed liquid crystal has been developed. The SLM can modulate strong unpolarized light efficiently using the light-scattering effect. The projector using SLM with a Schlieren optical produces bright, high-contrast images. Electrical image compensation of the shading and gamma characteristics of the SLMs carried out in the driving circuits improves the spatial uniformity and gray-scale representation of the projected images. The system projects a bright image of more than 1300 cd/m 2 with a high extinction ratio over 130:1 on a 60-inch screen, which can be viewed in a bright living room under normal lighting conditions.

本文言語English
ページ(範囲)225-233
ページ数9
ジャーナルIEEE Transactions on Broadcasting
45
2
DOI
出版ステータスPublished - 1999 1 1
外部発表はい

ASJC Scopus subject areas

  • Media Technology
  • Electrical and Electronic Engineering

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