Critical Condition of Twist-Domain Generation and the Effect of Pretilt Angles on Such Generation in Twisted Nematic Liquid Crystal Cells

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概要

• 論文の詳細を見る

• The critical conditions governing twist domain generation in twisted nematic cells was investigated theoretically with respect to chiral additives and pretilt angles. It was found that a critical margin twist angle (δ_c) was greatly affected by even a small change in the size of a pretilt angle. The theoretical analysis was supported by the results of experiments that were carried out with various combinations of cell materials, for example, rubbed organic films and organic sealants. This investigation proved that pretilt angle measurement is a useful means of selecting the combination of materials that will result in completely domain-free twisted nematic cells.

• 社団法人応用物理学会の論文
• 1981-08-05

著者

• ISOGAI Masato

  Hitachi Research Laboratory, Hitachi Ltd.

• Nakano Fumio

  Hitachi Research Laboratory Hitachi Lid.

• Isogai Masato

  Hitachi Research Laboratory Hitachi Lid.

• Satoh Mikio

  Hitachi Research Laboratory Hitachi Lid.

• ITOH Ren

  Hitachi Research Laboratory, Hitachi, Lid.

• KANDOH Yasuhiko

  Mobara Works, Hitachi, Lid.

• Itoh Ren

  Hitachi Research Laboratory Hitachi Lid.

• Kandoh Yasuhiko

  Mobara Works Hitachi Lid.

• NAKANO Fumio

  Hitachi Research Laboratory, Hitachi, Lid.

関連論文

• Threshold Behavior of a Bistable Ferroelectric Liquid Crystal with a Large Tilt Angle in Thick Cells (4-14μm) : Condensed matter
• New Room-Temperature Ferroelectric Liquid Crystals : Material Constants and Electro-Optic Properties
• Method of Evaluating Tilt Domain in a Twisted Nematic Cell
• Dynamic Properties of Twisted Nematic Liquid Crystal Cells
• Simple Method of Determining Liquid Crystal Tilt-Bias Angle
• Alignmental Deterioration of Homeotropically Aligned Liquid Crystal Cells under d. c. Electric Field : I. Effect of Liquid Crystal Composition and Surface Treatment
• Experimental Evaluation of Surface Tension Criteria for Alignment Behavior of Liquid Crystals on Solid Surfaces
• Critical Condition of Twist-Domain Generation and the Effect of Pretilt Angles on Such Generation in Twisted Nematic Liquid Crystal Cells
• Alignmental Deterioration of Homeotropically Aligned Liquid Crystal Cells under DC Electric Field. : II. Relationship of Deterioration to Surface Property Change
• Numerical Analysis Method for Orientation Structures of Surface-Stabilized Ferroelectric Liquid Crystals

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