Shielded beam guide structure for a flat panel display device and method of making same
AssigneeRCA Corporation
InventorThomas L. Glock
Life of this patent
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Abstract
An electron beam guide assembly for a flat panel display device includes two guide meshes. One mesh is substantially flat and the other is shaped. The shaped mesh has a substantially flat surface and includes longitudinal sides which extend angularly away from the flat surface. The sides are further shaped to include flanges which lie in a plane substantially parallel to and displaced from the flat surface. The flanges are joined to the flat mesh to form an assembly having continuously shielded longitudinal sides.
Claims9
An electron beam guide assembly for a flat panel display device comprising:
- a substantially flat guide mesh including a plurality of apertures arranged in columns longitudinally along said mesh and transversely across said mesh;
- and
- a shaped guide mesh having a substantially planar surface and including a plurality of apertures arranged in columns longitudinally along said planar surface and in rows transversely across said planar surface, said shaped guide mesh being longitudinally bent to include sides extending angularly away from said planar surface, said sides being bent to include flanges extending from said sides in a plane substantially parallel to and displaced from said planar surface said shaped guide mesh being attached to said flat guide mesh along said flanges to form a beam guide assembly having continuously shielded longitudinal sides.
A method of making a beam guide assembly having shielded longitudinal sides comprising the steps of:
- forming a substantially flat guide mesh having longitudinal columns of apertures in said mesh;
- forming a shaped guide mesh having a substantially planar surface including longitudinal columns of apertures in said planar surface, bending said mesh to form longitudinal sides extending angularly away from said planar surface with said columns of apertures between said sides, bending said sides to form longitudinal flanges lying in a plane substantially parallel to said planar surface;
- and joining said flanges to said flat guide mesh.
Dependencies are inferred from the claim text.