Gas discharge display device with perimetrical cathode专利检索-平带电位微电子学专利检索查询-专利查询网

Gas discharge display device with perimetrical cathode

阅读：383发布：2023-05-23

专利汇可以提供Gas discharge display device with perimetrical cathode专利检索，专利查询，专利分析的服务。并且A display device employing a planar array of elements disposed on a dielectric substrate. The dielectric substrate is affixed to a metallic plate which functions as an anode element in an electrical discharge while a perimetrical metallic strip serves as a cathode element. These components are disposed between two non-conductive plates in which a partial vacuum is created and backfilled with an inert gas. The non-conductive plate proximate the display surface of the array of elements is transparent enabling an undistorted view of the segments. A relatively large potential applied between the anode and the cathode elements sustains the electrical discharge thereby providing a source of free electrons in the area between the elements and the transparent plate. The application of a small bias voltage between selected segments of the array of elements and the anode element produces a thin luminous sheath over the energized segments which provides a sharply defined display.，下面是Gas discharge display device with perimetrical cathode专利的具体信息内容。

权利要求

1. A display device comprising, vacuum tube means having a transparent viewing surface and partially filled with an inert gas, perimetrical cathode means disposed behind said viewing surface, anode plate means centrally disposed with respect to said perimetrical cathode means, a source of voltage coupled between said cathode means and said anode means for providing a source of free electrons in an electrical discharge within the space bounded by said perimetrical cathode means, dielectric means disposed within said anode plate means, display element means having a plurality of segments affixed to said dielectric means and substantially co-planar with said anode means, bias voltage means, and switching means connected between said bias voltage means and said display element means for energizing selected segments of said plurality of segments which accelerates free electrons in said electrical discharge which are proximate said energized selected segments thereby producing a sharply defined luminous image over said selected segments.

2. A display device as described in claim 1 in which said display element means include thin metallic strips in a fixed format numeric display.

3. A display device as described in claim 1 in which said perimetrical cathode means includes means for providing an inverse brush discharge.

4. A display device as described in claim 1 in which said bias voltage means is a low level voltage including a variable voltage means for providing continuous dimming to zero light output of said sharply defined luminous image.

5. A display device as described in claim 1 in which said switching means includes integrated switching circuits.

6. A display device comprising a backing plate, a transparent cover plate and an aluminum perimetrical strip disposed between said backing plate and said cover plate enclosing a vacuum that is partially backfilled with an inert gas such as neon, said aluminum strip having holes drilled into its interior surface to enable said strip to function as an inverse brush cathode, an aluminum plate affixed to said backing plate and centrally disposed with respect to said aluminum strip, a glass substrate mounted within said aluminum plate, display elements disposed on said glass substrate, supply voltage means connected between said aluminum strip, functioning as an inverse brush cathode, and said aluminum plate, serving as an anode connected to ground, said supply voltage means producing a source of free electrons in an inverse brush electrical discharge, variable low level bias voltage means applied between said display elements and said anode, and integrated circuit switching means for connecting said variable bias voltage means to selected segments of said display elements producing a sharply defined luminous image of said selected segments.

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Gas discharge display device with perimetrical cathode

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