대한전자공학회:학술대회논문집 (Proceedings of the IEEK Conference)
- 대한전자공학회 2002년도 하계종합학술대회 논문집(2)
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- Pages.267-270
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- 2002
$90^{\circ}C$ 꼬인 네마틱 액정 ($90^{\circ}C$ Twisted-Nematic LC)의 이상 굴절 축($n_e$ axis) 방향 결정 방법에 대한 고찰
Consideration into method of deciding upon extraordinary axis direction in Twisted-Hematic LC
초록
LCD is not very expensive and according to the principle that twisted-nematic LCD can modulate by electric signal, lots of researches been developed about many of theory, methods of design and calculating parameters effectively. In 1999 J. A. Davis et ai. proposed the method of deciding upon extraordinary and ordinary axis direction, which is based on Blazing Effect, inspect into changes of diffraction patterns. But in laboratory, it is difficulty to observe 5th or 6th diffraction pattern, and not clear in mathematical. In this paper, illuminating circular polarized beam been to TN LCD (twisted-nematic LCD), we found extraordinary axis direction with inspecting into maximum intensity distribution appeared in the side of analyzer Using Jones matrix method, we endowed with mathematical propriety.
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