Flat panel display and method of manufacture
First Claim
1. A flat panel display which has an overall resolution of up to 284,000 pixels per sqare inch, said display including means for generating a low energy flow of electrons, said means including low power selection devices for gating the electron flow, said devices being energized intermittently in response to electrical signals of from 2 to 20 volts, multiplying means having a constant bias voltage for multiplying the magnitude of the electron flow, and a phospher screen for receiving the gated electron flow, the means for generating and the multiplying means and the screen being assembled in close proximity in a two-dimensional array and vacuum sealed with the multiplying means sandwiched between the means for generating and the screen.
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Accused Products
Abstract
A flat panel display for video and/or information display including a geometric array of individually energizable, low energy electron emitters in combination with an array of continuous channel electron multipliers for amplifying and directing the electron outputs of the emitters onto a phosphor screen to emit visible light.
45 Citations
28 Claims
- 1. A flat panel display which has an overall resolution of up to 284,000 pixels per sqare inch, said display including means for generating a low energy flow of electrons, said means including low power selection devices for gating the electron flow, said devices being energized intermittently in response to electrical signals of from 2 to 20 volts, multiplying means having a constant bias voltage for multiplying the magnitude of the electron flow, and a phospher screen for receiving the gated electron flow, the means for generating and the multiplying means and the screen being assembled in close proximity in a two-dimensional array and vacuum sealed with the multiplying means sandwiched between the means for generating and the screen.
- 15. For use in a high resolution flat panel display, an electron multiplier comprising a flat plate with microscopic holes extending from one flat surface to the other, the spacing between adjacent holes being microscopic to permit a hole density of up to 284,000 holes per square inch, the diamter-to-length aspect of the holes being on the order of 1 to 20, the axes of the holes extending at an acute angle to the flat surfaces, and a thin metallic electrode adhered to and covering each flat surface of the plate.
- 19. For use in a high resolution flat panel display, an electron emitter-amplifier unit comprising a sheet of dielectric material with an array of tunnel emission devices on one surface and an array of continuous channel multipliers on the opposite surface, the devices in said array being separated by uniform microscopic spaces to permit an array density of up to 284,000 devices per square inch.
- 26. A method of making an electron multiplier for a high resolution flat panel display which includes the steps of etching a multiplicity of microscopic holes having a diameter-to-length aspect on the order of 1 to 20 through at least one flat plate in a closely spaced two-dimensional array in which the holes are separated by uniform microscopic spaces to permit a hole density of up to 284,000 holes per square inch, and depositing a thin layer of conductive metal on each flat surface of the plate.
Specification