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Cathode ray tube display device

A cathode ray tube and display technology, applied in the direction of cathode ray/electron beam tube electrical connection, image/graphic display tube, screen tube, etc., can solve problems such as increasing installation work time, reduce installation workload and improve production efficiency Effect

Inactive Publication Date: 2007-02-28
NANJING LG TONGCHUANG COLOR DISPLAYS SYST CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] But this existing cathode ray tube display, because the cathode ray tube frame is used, not only the installation parts are increased, but also the screws are added to fix the tower shield and the main board, which increases the installation work time, and this is the existing method The problem

Method used

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Embodiment Construction

[0023] The present invention will be further described below in conjunction with the accompanying drawings. In order to avoid repetition in the description process, symbols used in the prior art need to be cited for parts consistent with the prior art.

[0024] Fig. 4 is a schematic diagram of a typical example of a cathode ray tube display designed according to the requirements of the present invention.

[0025] Its structural composition is: cathode ray tube 2; a main board 40 located at the bottom of the cathode ray tube 2 and responsible for the video and audio functions of the cathode ray tube; Type shielding layer 60; the front shell for installing the above components and so on. In this figure, the rear shell (omitted among the figures) that hides the appearance of the overall display is not drawn, and only the front shell front portion 32 that hides the best position of the display screen part is shown.

[0026] In Fig. 4, the display device designed according to the ...

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PUM

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Abstract

A CRT display is composed of CRT, main board under CRT, tower-shaped shielding layer for protecting main board, and front casing for installing CRT, main board, and shielding layer to it. The metallic springs, metallic hooks and metallic holes are used for connecting said parts into a whole, which is grounded for good electric shield.

Description

technical field [0001] The invention relates to a cathode ray tube display, in particular to a cathode ray tube display which does not use a frame to shield electron waves. Background technique [0002] FIG. 1 is a schematic diagram of the structure of a conventional general cathode ray tube display (excluding an external case), and is a diagram showing the elimination of an external cover. [0003] As shown in the figure, the cathode ray tube display is composed of the following parts: a cathode ray tube 2; a motherboard 4 positioned at the bottom of the cathode ray tube 2; a tower shield 6 protecting the motherboard 4; a cathode ray tube frame 8 for installing the above components Wait. [0004] A brief description of the action process of the cathode ray tube 2 is as follows: three electron beams emitted from the electron gun (omitted in the figure) hit the fluorescent plate surface of the cathode ray tube 2, thereby producing various colors. This process is formed by v...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01J29/92H01J31/12H04N5/00H04N9/00
Inventor 吕焕武
Owner NANJING LG TONGCHUANG COLOR DISPLAYS SYST CO LTD