Antistatic coating for video display screen

Details Antistatic coating for video display screen Antistatic coating for video display screen

1995-03-09

1996-12-03

Turner, Archene

Stock material or miscellaneous articles

Composite

Of quartz or glass

428323, 428325, 428328, 428688, 428689, 428702, 428704, 428426, 252500, 252518, 313478, 313479, H01J 2988

Patent

active

055806627

ABSTRACT:
An antistatic coating for the outer surface of a video display panel such as of a cathode ray tube (CRT), and a method of applying this type of surface coating, employs a conventional antistatic material such as antimony doped tin oxide to which is added a solvent which is (1) soluble in water and alcohol, (2) has an evaporation point higher than that of water, and (3) has greater solubility for oil-based contaminants than for water. Solvents having these characteristics and which are adapted for use in the antistatic coating include ethylene glycol and dimethyl-based solvents, and their derivatives. The antistatic coating has reduced susceptibility to picking up surface contaminants such as dust and wiping residues such as applied in cleaning the display panel, particularly during manufacture, while affording a high degree of static charge dissipation.

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