Colour display tube with light-absorbing matrix

Details Colour display tube with light-absorbing matrix Colour display tube with light-absorbing matrix

H - Electricity

01

J

313/35.151

H01J 29/28 (2006.01) H01J 9/227 (2006.01)

Patent

CA 1101915

PHN 8833 ABSTRACT: By causing in colour display tubes of the matrix type the aluminium coating of the display screen to adhere mainly to the light-absorbing coating which for this purpose is provided to be at least 3 µm thicker than the phosphor lines, a better and evener picture is obtained. The light-absorbing coating comprises grains, 50% by weight of the said grains preferably having a diameter exceeding 15 µm. -10-

305030

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