Manufacturing method of liquid crystal display panel and cleanin

Details Manufacturing method of liquid crystal display panel and cleanin Manufacturing method of liquid crystal display panel and cleanin

1999-04-20

2000-09-12

Dudek, James A.

Liquid crystal cells, elements and systems

Particular structure

Having significant detail of cell structure only

349124, G02F 11333

Patent

active

061185116

ABSTRACT:
A manufacturing method of a liquid crystal display panel of high display quality is provided, in which any foreign matter or stain on the surface of a substrate can be completely removed and occurrence of irregular orientation or spot is prevented in the cleaning step after rubbing in the manufacturing process of the liquid crystal display panel. A cleaning apparatus for carrying out the manufacturing method is also provided.
In the cleaning step after rubbing, as a pre-cleaning treatment, the surface of the glass substrate 1 is sufficiently covered by the mist-like particles 20 sprayed from a binary fluid nozzle 7 to the extent that the water does not move. Then, the glass substrate 1 is subject to a wet cleaning such as supersonic wave cleaning.

REFERENCES:
patent: 5114748 (1992-05-01), Tada et al.

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