PRODUCTION OF TWISTED NEMATIC LIQUID CRYSTAL CELL FORMED BY USING LIGHT

PROBLEM TO BE SOLVED: To provide a process for producing a liquid crystal cell which improves the characteristics of a visual field angle, decrease the number of stages and uses UV rays for preventing the failure of substrates by rubbing by irradiating alignment layers with UV rays and controlling t...

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Bibliographische Detailangaben
Hauptverfasser:	SAI YUUCHIN, KIN SHIYUKEN, IN KIKAKU, MINAMI BISHIYUKU, U SHIYOUGEN
Format:	Patent
Sprache:	eng
Schlagworte:	DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING FREQUENCY-CHANGING NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a process for producing a liquid crystal cell which improves the characteristics of a visual field angle, decrease the number of stages and uses UV rays for preventing the failure of substrates by rubbing by irradiating alignment layers with UV rays and controlling the alignment directions thereof. SOLUTION: A first substrate 1 coated with the first alignment layer is first irradiated with the first polarized UV rays, by which the first alignment direction having an angle θ1 with a reference line is imparted to the oriented film. Next, a second substrate coated with the second alignment layer is irradiated with the polarized UV rays, by which the alignment direction having an angle θ2 with the reference line is imparted to the alignment layer. A liquid crystal layer is thereafter formed between the first substrate and the second substrate.