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US 5,846,630 AGranted
Magnetic migration display panel
AssigneeKabushiki Kaisha Pilot Corporation
InventorsHiroshi Tazaki, Teruaki Nojima
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Abstract
A magnetic migration display panel including a dispersion liquid layer composed of a magnetic particle, a dispersion medium composed of an organic solvent, a thickening agent composed of fatty acid bis-amide with a hydroxyl group having a melting point of 120.degree. C. to 160.degree. C., and a coloring material as desired, on a substrate is provided.
Claims19
A magnetic migration display panel comprising a dispersion liquid including magnetic particles, a dispersion medium, a thickening agent, and optionally a coloring material, on a substrate,
- wherein said dispersion medium comprises an organic solvent, wherein said thickening agent comprises a fatty acid amide with a hydroxyl group having a melting point of 120.degree. C. to 160.degree. C., and wherein said dispersion liquid has a positive yield value.
Dependencies are inferred from the claim text.