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Electronic tube

A technology of electron tubes and electron guns, applied in the field of electron tubes, can solve problems such as poor imaging quality of displays

Inactive Publication Date: 2008-06-18
万宏伟
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The image quality of the corresponding display is poor

Method used

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Examples

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Comparison scheme
Effect test

Embodiment Construction

[0008] An electron tube having an electron gun. The electron tube is coated with an electron absorbing material. The coating of electron absorbing material is connected to a discharge circuit.

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PUM

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Abstract

The invention discloses a vacuum tube, comprising an electron gun. An electron absorption material or infrared or far infrared absorption material is painted in the electron gun of the vacuum tube, or the electron absorption material coat is connected with a discharging circuit or a radar material absorbing electrons, or infrared or far infrared is painted in the vacuum tube, or the infrared or far infrared coat is the cathode either of a photoelectric cell or of a photoelectricity absorption face, and a photoelectricity shift discharging circuit is provided. The invention provides a technique which reduces useless electron wave beams sent by the vacuum tube to reach a display or reduces the infrared or far infrared wave beam impacting imaging quality to reach the display to ensure a better imaging quality of the display. The effect of the invention can be especially reflected on a high definition display.

Description

technical field [0001] This technology involves electron tubes. Background technique [0002] In the existing electronic tube, the emitted electron beams have many useless electron beams reaching the display screen. The image quality of the corresponding display is poor. The invention provides a technique for reducing the amount of useless electron beams emitted by electron tubes or infrared and far-infrared beams that affect imaging quality reaching a display, and provides a technique for making the display have high imaging quality. Its effect may be especially reflected in high-definition displays. Contents of the invention [0003] An electron tube having an electron gun. Electron tubes are coated with electron absorbing materials or infrared and far infrared absorbing materials. Or the tube is coated with radar material. The coating is connected with a discharge circuit. [0004] The electron beam emitted by the electron tube is focused by the anode, but there a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01J31/00H01J29/88H01J29/98
Inventor 万宏伟
Owner 万宏伟
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