Pulse Sequence Addressing for Gray-Scale Bistable Cholesteric Displays : Optics and Quantum Electronics

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概要

• 論文の詳細を見る

• In the study of the transition dynamics, we found that the reflectance of bistable cholesteric displays depended on the addressing sequence of the bipolar pulses. Two different pulse amplitudes corresponding to the high and low voltages about the quiescent point were chosen. By a proper permutation of such pulses, the final reflectance of even difference could be obtained for gray-scale display applications. In contrast with the root-mean-square (rms) modulation techniques, this scheme proposed for the first time does not primarily depend on the rms voltage. In this paper, we study the electro-optics and the domain characteristics, and propose a phenomenological proposition to describe this effect. We shall also extend our previous driving scheme to demonstrate the gray-scale control at 5ms/line addressing.

• 社団法人応用物理学会の論文
• 2001-08-15

著者

• Kwok H.s.

  Department Of Electrical And Electronic Engineering The Hong Kong University Of Science And Technolo

• Kwok H.

  Department Of Electrical And Electronic Engineering The Hong Kong University Of Science And Technolo

• Yip W.

  Department Of Electrical And Electronic Engineering The Hong Kong University Of Science And Technolo

• YIP W.C.

  Department of Electrical and Electronic Engineering, The Hong Kong University of Science and Technol

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