Method of manufacturing liquid crystal displays having an...

Details Method of manufacturing liquid crystal displays having an... Method of manufacturing liquid crystal displays having an...

2006-02-21

2006-02-21

Nguyen, Dung T. (Department: 2871)

Liquid crystal cells, elements and systems

Nominal manufacturing methods or post manufacturing...

C349S096000, C428S001260, C427S162000, C427S164000

Reexamination Certificate

active

07002661

ABSTRACT:
Polarizing coatings are formed from dyestuffs which provide a stable liquid crystalline phase in a wide range of concentrations, temperatures and pH-values. Particles formed by aggregates of the liquid crystal molecules are oriented in a predetermined direction to polarize light The stability of the liquid crystalline state allows orienting the particles by mechanical forces such as a shearing force applied when the liquid crystal (10) is spread on a support surface (20) by a knife-like doctor (90) or a tension deformation force acting on the meniscus of the liquid crystal deposited between two surfaces (20, 30) as the surfaces are peeled off one another. As a result, the polarizing coatings are formed in some embodiments by simple methods. In some embodiments, the polarizing coatings have a high lightfastness, a high thermal stability, and a high dichroic ratio.

REFERENCES:
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Y. Bobrov et al. “Thin Film LCD: Design and Manufacturing” 8th Intl Workshop on AM-LCD, Tokyo Japan Jul. 11-13, 2001 XP002193610.
Y. Bobrov et al. “Incorporation of Optiva Polarizers in LCD Production Line” Society of Information Displays Digest, vol. XXXII, Jun. 2001 pp. 639-641.

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