MANUFACTURE OF LIQUID CRYSTAL DISPLAY DEVICE

MANUFACTURE OF LIQUID CRYSTAL DISPLAY DEVICE

PROBLEM TO BE SOLVED: To provide a liquid crystal display device in which the liquid crystal injecting time affecting mass-production can be shortened, there is no existence of bubbles and the irregular thickness of a liquid crystal layer affecting quality of a picture, and no change of the liquid c...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: ARAYA KOTARO, HANAWA YASUO, IWASAKI KISHIRO, KONDO KATSUMI
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 liquid crystal display device in which the liquid crystal injecting time affecting mass-production can be shortened, there is no existence of bubbles and the irregular thickness of a liquid crystal layer affecting quality of a picture, and no change of the liquid crystal compositions affecting the optical characteristics. SOLUTION: In this manufacturing method, two oriented glass substrates are superimposed via a spacer and a sealing compound, and a liquid crystal cell 4 provided with at least one liquid crystal injecting port and a liquid crystal pan 1 containing a liquid crystal are put into a vacuum vessel 6. After the injecting port in the liquid crystal cell 4 is immersed into the liquid crystal in the liquid crystal pan 1 while keeping the vacuum vessel 6 evacuated, the internal pressure of the vacuum vessel 6 is returned to the atmospheric pressure and the liquid crystal is injected into the liquid crystal cell 4, an ultrasonic vibrator transducer is fitted to the liquid crystal pan 1 and the liquid crystal is irradiated with an ultrasonic wave from the ultrasonic vibrator transducer.