Structure and fabrication of flat panel display with specially arranged spacer

A flat panel display comprising:

• a backplate structure comprising (a) a backplate, (b) an electron emitting structure overlying the backplate and having electron-emission sites situated generally in an emission-site plane, and (c) a primary structure overlying the backplate and having a non-planar approximately equipotential surface extending generally along the emission-site plane at a distance therefrom which varies between first and second values, the backplate structure having an electrical end located in an electrical-end plane extending generally parallel to the emission-site plane at a distance therefrom which lies between the first and second values;
• a faceplate structure coupled to the backplate structure to form a sealed enclosure;
• and
• a spacer situated between the backplate structure and the faceplate structure for resisting external forces exerted on the display, the spacer having a backplate-side electrical end situated along the primary structure at a location spaced apart from the electrical-end plane, the spacer being provided with compensation structure for controlling the potential field along the spacer so that electrons emitted by the electron emitting structure strike target areas on the faceplate structure rather than striking outside the target areas due to the spacer's backplate-side electrical end being spaced apart from the electrical-end plane.

A flat panel display comprising:

• a faceplate structure comprising (a) a faceplate having an interior surface situated largely in a faceplate plane, (b) a light emitting structure overlying the faceplate along its interior surface, and (c) a main structure overlying the faceplate along its interior surface and having a non-planar approximately equipotential surface situated over the faceplate plane at a distance therefrom which varies between first and second values, the faceplate structure having an electrical end located in an electrical-end plane situated generally parallel over the faceplate plane at a distance therefrom which lies between the first and second values;
• a backplate structure coupled to the faceplate structure to form a sealed enclosure;
• and
• a spacer situated between the faceplate structure and the backplate structure for resisting external forces exerted on the display, the spacer having a faceplate-side electrical end located approximately in the electrical-end plane.

A flat panel display comprising:

• a faceplate structure comprising (a) a faceplate having an interior surface situated largely in a faceplate plane, (b) a light emitting structure overlying the faceplate along its interior surface, and (c) a main structure overlying the faceplate along its interior surface and having a non-planar approximately equipotential surface situated over the faceplate plane at a distance therefrom which varies between first and second values, the faceplate structure having an electrical end located in an electrical-end plane situated generally parallel over the faceplate plane at a distance therefrom which lies between the first and second values;
• a backplate structure coupled to the faceplate structure to form a sealed enclosure;
• and
• a spacer situated between the faceplate structure and the backplate structure for resisting external forces exerted on the display, the spacer having a faceplate-side electrical end overlying the electrical-end plane so as to be further away from the faceplate plane than the electrical end of the faceplate structure.