Non electrode plane medium blockage discharge fluorescent lamp and its making method

A dielectric barrier discharge and electrodeless technology, which is applied in the manufacture of discharge tubes/lamps, electrode system manufacturing, and parts of gas discharge lamps, can solve the problem of large-scale and large-scale flat light sources that have not been found in literature or reports. Industrialized production, damage to mechanical strength and surface flatness, etc., to achieve the effect of protecting mechanical strength and surface flatness, ensuring performance, and reducing production costs

Inactive Publication Date: 2010-02-17
XIAN TECH UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

During the period, the glass substrate, as the bottom support body, needs to undergo heat treatment processes such as sintering and cooling again and again, and its mechanical strength and surface flatness will be greatly damaged. Scale and large-scale industrial production
[0005] After searching in existing information systems and networks, it has not been found that there are documents or reports completely identical with the present invention

Method used

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  • Non electrode plane medium blockage discharge fluorescent lamp and its making method
  • Non electrode plane medium blockage discharge fluorescent lamp and its making method
  • Non electrode plane medium blockage discharge fluorescent lamp and its making method

Examples

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Effect test

Embodiment 1

[0038] Referring to Fig. 3, the present invention is a non-polar planar dielectric barrier discharge fluorescent lamp, its appearance is shown in Fig. 3 (a), and its internal structure section structure is shown in Fig. 3 (b). The non-polar planar dielectric barrier discharge fluorescent lamp includes a front glass A certain distance is maintained between the substrate 1 and the rear glass substrate 2, and between the front glass substrate 1 and the rear glass substrate 2 through the barrier 4, and the barrier 4 adopts a curved shape, as shown in FIG. 5(b). They are sealed together with a low-melting-point glass frame 5 at the periphery. Phosphor powder layers 3 are arranged on the inner surfaces of the two glass plates, and the phosphor powder coating is obtained by screen printing, and then sintered to remove the binder to obtain the adsorption of the phosphor powder layer to the glass substrate. Barriers and frames are arranged on the rear glass substrate 2 as supports, and...

Embodiment 2

[0041] The overall structure is the same as that of Embodiment 1, except that phosphor layers 3 are arranged on the inner surfaces of the two glass substrates, and the phosphor coating is obtained by spraying. The barrier 4 adopts a linear shape, see FIG. 5( a ).

Embodiment 3

[0043] Overall structure is the same as embodiment 1 or embodiment 2, and transparent conductive medium layer 6 is formed conductive medium layer by sealing one deck transparent water film, and this conductive medium layer can pass a piece of ultra-thin glass plate on the outer surface of front and rear glass substrates, surround with UV curing glue is used to seal, forming a cavity with a certain thickness, and then injecting water from the reserved small hole. The method avoids the printing and sintering of precious metal electrodes, not only saves the production cost, but also reduces the damage to the glass substrate caused by sintering, and at the same time greatly simplifies the process.

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Abstract

The invention discloses an electrode-less plane medium blocking discharge fluorescent lamp and the production method thereof. The fluorescent lamp is provided with a layer of fluorescent powder at theinternal side of two glass base plates, and the rear glass base plate is provided with a barrier wall and frame as the support. The front and rear base plates are sealed into a whole body injected with inert gas of the given pressure. The external surface of the front and rear glass base plates are sealed with a layer of transparent water film or a layer of solid conductive material as conductingmedium. The front and rear glass base plates are taken as the medium blocking discharge layer. Under the effect of high frequency AC voltage, the invention generates plasma to trigger fluorescent powder to share stably. The invention reduces the process of heat treatment, and protects the mechanic intensity and surface levelness of glass base plates to the maximum. Products produced with the invention have advantages of low cost, simple technique, and high production efficiency. The invention is particularly suitable for the industrialization of flat light source in large-size products.

Description

technical field [0001] The invention relates to the technical field of manufacturing flat panel displays and flat lighting sources, and belongs to a flat fluorescent lamp, in particular to a flat dielectric barrier discharge fluorescent lamp that can be used as a backlight source for a liquid crystal display (LCD) and a non-polluting lighting source, in particular to a non-polluting fluorescent lamp. An electrode type planar dielectric barrier discharge fluorescent lamp and a manufacturing method thereof. Background technique [0002] In recent years, flat-panel display technology has developed rapidly. The flat-panel display industry is second only to the microelectronics industry in the information industry, and has become a leading industry in optoelectronic technology. Among many flat panel display families, liquid crystal displays are far ahead in terms of technological development speed and market share. Liquid crystal display is currently the only flat panel display ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01J61/02H01J61/16H01J61/36H01J61/42H01J9/00
Inventor 王奇观李建平王素敏
Owner XIAN TECH UNIV
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