Method of manufacturing a display device and a display...

Details Method of manufacturing a display device and a display... Method of manufacturing a display device and a display...

H - Electricity

01

J

316/18, 313/35.1

H01J 9/20 (2006.01) C03C 17/34 (2006.01) G02B 1/11 (2006.01) G02B 5/28 (2006.01) H01J 29/88 (2006.01) H01J 29/89 (2006.01)

Patent

CA 1303119

Abstract A method of manufacturing a display device and a display device made by the method. The viewing of display devices such as cathode ray tubes can be enhanced by providing an anti-reflection coating on the outer surface of the faceplate panel. In accordance with the present invention the anti- reflection coating comprises at least a three layer interference filter evaporated on a faceplate panel, the external surface of which may be mechanically roughened. The manufacture of the coating can be speeded-up substantially by selecting high and low refractive index materials which can be evaporated at ambient temperatures and subsequently hardened by high temperature annealing outside the evaporation apparatus. The annealing is carried out most conveniently during the standard processing of a cathode ray tube.

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