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Semi flat cathode ray tube screen disc

A flat, horizontal technology applied in the direction of cathode ray tubes/electron beam tubes, cathode ray/electron beam tube shells/containers, discharge tubes, etc., which can solve problems such as eye fatigue

Inactive Publication Date: 2004-04-28
LG ELECTRONICS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These image distortions and reflections of external light can cause eye strain to the viewer

Method used

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  • Semi flat cathode ray tube screen disc
  • Semi flat cathode ray tube screen disc
  • Semi flat cathode ray tube screen disc

Examples

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Embodiment Construction

[0023] DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The invention will be described in detail below with reference to the preferred embodiments of the invention, examples of which are shown in the accompanying drawings. Figure 5 Representing a front view of a semi-flat color CRT panel according to a preferred embodiment of the present invention, Figure 6A with 6B Respectively Figure 5 Cross-section and longitudinal section of the semi-flat color CRT panel shown in . Components that are the same as those in the prior art are denoted by the same reference numerals, and detailed description thereof is omitted.

[0024] The present invention proposes to provide the curvature of the inner surface of the semi-flat CRT panel for securing the strength of the semi-flat CRT panel and preventing image distortion and the semi-flat CRT panel providing the substantially full flat surface of the semi-flat CRT panel The outer diagonal curvature of the disk 11.

[0025] Refer below...

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PUM

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Abstract

Semi-flat CRT panel having relations of Ryi H01J 29 / 86 6 5 1 1999 / 8 / 17 1492468 2004 / 4 / 28 000000000 LG Electronics Inc. Korea Ra Gon-Soo li xiaoshu wei xiaogang 11105 Korea 1998 / 8 / 17 33306 / 98

Description

[0001] The present invention is a divisional application of the application titled "Semi-flat CRT panel" filed on August 17, 1999, and the application number of the original application is "99119103.X". technical field [0002] The present invention relates to CRT (cathode ray tube) panels, and more particularly to CRT panels having curved inner surfaces and flat outer surfaces. Background technique [0003] figure 1 A partially cutaway side view showing a prior art CRT having curved inner and outer surfaces. [0004] see figure 1 , the CRT of the prior art is provided with: a panel 1 forming the front surface, a funnel 2 welded to the rear surface of the panel 1, a neck 3 at the end of the funnel 2, which is arranged inside the neck 3 for The electron gun 5 that emits the electron beam 4 is coated on the phosphor powder film (the effective surface of the fluorescent screen) 6 of the red, green and blue fluorescent material on the inner surface of the panel 1, fixed betwee...

Claims

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Application Information

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IPC IPC(8): H01J29/10H01J29/86
CPCH01J29/861H01J2229/862H01J29/10
Inventor 罗建洙
Owner LG ELECTRONICS INC