Cathode-ray tube
AssigneeHitachi, Ltd.
InventorsHiromitsu Kawamura, Katsumi Kobara, Takao Kawamura, Kiyoshi Miura
Life of this patent
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Abstract
A cathode-ray tube having a layer provided on a face plate outer surface, with the layer comprising at least one colored transparent electroconductive domain consisting of at least one organic dye, at least one electroconductive metal oxide and silica mainly composed of silica gel and at least one non-glare and protective domain consisting of silica mainly composed of silica gel, thereby resulting an a cathode-ray tube having wide and stable optical properties, high contrast, and antistatic property to remove the panel electricity generated by static induction, and an antireflection property.
Claims9
A cathode-ray tube having a layer on at least one portion of a faceplate outer surface, the layer comprising:
- at least one colored transparent electroconductive domain consisting of at least one organic dye, at least one electroconductive metal oxide selected from the group consisting of tin oxide, indium oxide, and antimony oxide, and silica mainly composed of silica gel, and
- at least one non-glare and protective domain consisting of silica mainly composed of silica gel.
A cathode-ray tube having a plurality of phosphors emitting a different primary color coated on an inner surface of a faceplate and a layer on at least one portion of an outer surface of said face plate, the layer comprising:
- at least one colored transparent electroconductive domain consisting of at least one organic dye having major absorption in a region between dominant light emission wavelengths of two of said phosphors adjacent to each other in terms of said dominant light emission wavelengths,
- at least one electroconductive metal oxide selected from a group consisting of tin oxide, indium oxide and antimony oxide, and silica mainly composed of silica gel, and
- at least one non-glare and protective domain consisting of silica mainly composed of silica gel.
Dependencies are inferred from the claim text.