H - Electricity
01
J
313/18
H01J 29/86 (2006.01) H01J 29/00 (2006.01)
Patent
CA 1218404
ABSTRACT: Display tube. A display tube, for example a projection tele- vision display tube, having a very efficient cooling of the display screen and in which the Schlieren effect does not occur is obtained by causing a laminar flow of a layer of liquid having a thickness smaller than 1 mm in the space on the outside in front of the display window of the tube. Said laminar flow is obtained by the combination of the thin layer of liquid with a suitable viscosity of the liquid and the smooth connection of a chamber to at least the inlet aperture of the space.
445171
Gerritsen Gerrit B.
Van Alphen Willem M.
Koninklijke Philips Electronics N.v.
Van Steinburg C.e.
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