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A double-layer electrically controlled birefringence liquid-crystal display with a wide-viewing-angle cone

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4 Author(s)
H. Seki ; Hachinohe Inst. of Technol., Aomori, Japan ; Y. Itoh ; T. Uchida ; Y. Masuda

An electrically controlled birefringence (ECB) LCD (liquid crystal display) has the problem of narrow viewing angle. To solve this problem, a double-layer ECB (D-ECB) LCD with a wide-viewing-angle cone under the application of voltage is proposed. In this device, each layer compensates for the variation of retardation as a function of viewing angle. This double-layer optical compensation method can be applied not only to a birefringence mode but also to an absorption mode, i.e. guest-host mode.<>

Published in:

Display Research Conference, 1991., Conference Record of the 1991 International

Date of Conference:

15-17 Oct. 1991