Dispersion for preventing electrification and antistatic film, and image display device

A technology for an image display device and an anti-charge film, which is applied to image/graphic display tubes, identification devices, circuits, etc., can solve the problems of small film thickness dependence, inability to use the anti-charge film, lack of reliability, etc., and achieve good display. Effects of Features
CN1454250AInactive Publication Date: 2003-11-05KK TOSHIBA
0 Cites 6 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
KK TOSHIBA
Publication Date
2003-11-05
Estimated Expiration
Not applicable · inactive patent

Smart Images

  • Figure 1
    Figure 1
  • Figure 2
    Figure 2
  • Figure 3
    Figure 3
Patent Text Reader

Abstract

The antistatic dispersion liquid contains high-resistance fine particles having an intrinsic resistance value of 106-109 Ω·cm as a main component. This dispersion is applied by a simple method such as spraying or brushing, and then fired. An antistatic film having a stable antistatic property can be obtained with little dependence on the film thickness and the environment of the resistance value. As the high-resistance fine particles, there is a core layer of at least one semiconductive material selected from antimony pentoxide Sb2O5 having a pyrohlore crystal structure, or SnO2, In2O3, Sb2O5, and ZnO2, and a core layer having a semiconducting material selected from SiO2 , TiO2, Al2O3, ZrO2 selected at least one insulating material coating layer particles. This antistatic film does not produce display characteristics due to deformation of orbits of emitted electrons due to voltage application, sparks in the tube, or leakage currents in an image display device formed on the surface of an insulating member disposed in a vacuum envelope. degradation, stable and excellent display characteristics can be achieved.
Need to check novelty before this filing date? Find Prior Art

Description

technical field

[0001] The present invention relates to an antistatic dispersion liquid, an antistatic film, and an image display device such as a color cathode ray tube and a field effect emission display (FED) provided with the antistatic film. Background technique

[0002] Conventionally, in a color cathode ray tube (CRT), a part of electrons emitted from an electron gun is irradiated on the inner wall of the neck, or ions ionized by the emitted electrons are attached to cause electrification. Therefore, an antistatic film is formed on the glass substrate at the inner wall of the neck in order to prevent the trajectory of the electrons emitted by charging from being bent or being prevented from reaching the front-view position on the phosphor.

[0003] Conventionally, as a material used to form such an antistatic film, ITO (Indium-Tin-Oxide) or ATO (Antimony-Tin-Oxide) or ZnO 2 The inherent resistance value (resistivity) of 10 5 Microparticles of semiconductive substanc...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More