CN101826433B - Field-emission display structure by utilizing fluorescent powder grain as insulator - Google Patents
Field-emission display structure by utilizing fluorescent powder grain as insulator Download PDFInfo
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- CN101826433B CN101826433B CN201010183880.2A CN201010183880A CN101826433B CN 101826433 B CN101826433 B CN 101826433B CN 201010183880 A CN201010183880 A CN 201010183880A CN 101826433 B CN101826433 B CN 101826433B
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Abstract
The invention provides a field-emission display structure by utilizing fluorescent powder grains as an insulator, which comprises a cathode baseplate and an anode baseplate, wherein the anode baseplate corresponds to the cathode baseplate, the fluorescent powder grain insulator is arranged between the cathode baseplate and the anode baseplate, and the field-emission display structure is a dipolar field-emission display structure. The invention solves the problems of electric charge accumulation, light emissivity reduction, overlarge space between a cathode and an anode and high driving voltage existing in glass or other isolator materials as the insulator in a dipolar structural field-emission flat-panel display at present.
Description
Technical field
The present invention relates to a kind of fluorescent powder grain that utilizes as the field-emission display structure of separaant.
Background technology
Field-emitter display (Field Emission Display, FED) be a kind of novel flat-panel display device, have that quality is light, power consumption is low, without advantages such as subtense angles, its principle of luminosity is closest to cathode ray tube (Cathode Ray Tube, CRT), be a kind of display device widely studied at present.
Diarch field-emitter display is a kind of flat-panel display device with diarch structure, to encapsulate with the negative electrode glass substrate subtend of the strip silver electrode being coated with cathode emission material primarily of the deposition ITO strip shaped electric poles positive plate having printed phosphor powder layer on a glass substrate and form, separated by separaant therebetween, carry out vacuum seal by seal glass.Apply corresponding signal respectively by antianode, negative electrode, make field-transmitting cathode electron emission bombard phosphor anode luminous.Preparation technology is simple for diarch structure Field Emission Display, low cost of manufacture, but wherein supporter array (separaant) is all generally use glass or other insulating materials, cause a series of as charge accumulated, electron emissivity reduces, anode and cathode spacing excessive, the problems such as driving voltage is high.
Summary of the invention
The object of the present invention is to provide a kind of fluorescent powder grain that utilizes as the field-emission display structure of separaant, which solve the charge accumulated that in current diarch structure Field Emission Display, glass or other insulating materials exist as separaant, luminous emissivity reduces, negative electrode and anode spacing excessive, the problem that driving voltage is high.
A kind of fluorescent powder grain that utilizes of the present invention, as the field-emission display structure of separaant, comprises cathode base and the anode substrate corresponding with cathode base, is provided with fluorescent powder grain separaant between described cathode base and described anode substrate.
Described field-emission display structure is two pole field-emission display structures.
Fluorescent powder grain separaant is provided with between electron emission layer on phosphor powder layer on described anode substrate and cathode base corresponding thereto.
Be not provided with fluorescent powder grain separaant between electron emission layer on phosphor powder layer on described anode substrate and cathode base corresponding thereto, and other locus between described cathode base and described anode substrate are provided with fluorescent powder grain separaant.
Described fluorescent powder grain separaant is located between the electron emission layer on the phosphor powder layer on described anode substrate and cathode base corresponding thereto, is also located at other locus between described cathode base and described anode substrate.
The particle diameter of described fluorescent powder grain separaant is 1-100 micron.
Described fluorescent powder grain is low-voltage fluorescence powder particles.
Beneficial effect of the present invention: (1) fluorescent powder grain, as separaant, enhances electronic conduction ability, eliminates electric charge accumulation effect, can also play colour gamut supplementary function simultaneously.(2) spacing of anode and negative electrode greatly reduces, and greatly reduces Flied emission cut-in voltage, thus greatly can simplify external drive circuit, also reduce the thickness of field-emitter display simultaneously.(3) adopt low-voltage phosphor, the ignition voltage of fluorescent material can be reduced, reduce energy consumption.
Accompanying drawing explanation
Utilize fluorescent powder grain as the schematic diagram of the field-emission display structure of separaant in Fig. 1 embodiment of the present invention 1.
Embodiment
The present invention is further illustrated below in conjunction with drawings and the specific embodiments.
Embodiment 1
A kind of fluorescent powder grain that utilizes of the present invention, as the field-emission display structure of separaant, comprises cathode base 8 and the anode substrate 1 corresponding with cathode base, is provided with fluorescent powder grain separaant 5 between described cathode base 8 and described anode substrate 1.Described field-emission display structure is two pole field-emission display structures, and described cathode base 8 is provided with the strip cathode conductive layer 7 of spacing distribution, and described strip cathode conductive layer 7 is provided with electron emission layer 6; The one side that described anode substrate 1 is relative with cathode base is provided with the strip anode conductive layer 2 that the spacing relative with described strip cathode conductive layer 7 distributes, described strip anode conductive layer 2 is provided with phosphor powder layer 3, is provided with fluorescent powder grain separaant 5 between described phosphor powder layer 3 and described electron emission layer 6.Edge part between described cathode base 8 and described anode substrate 1 is provided with banding body 4, and this banding body and cathode base and anode substrate form confined space.
The particle diameter of described fluorescent powder grain separaant 5 is 1-100 micron, it is between cathode base 8 and the anode substrate 1 corresponding with cathode base, field emission structure is served to the effect of support, which increase the electronic conduction ability between negative electrode and positive electrode simultaneously, eliminate charge accumulated.In addition, fluorescent powder grain separaant can be luminous because of the bombardment of negative electrode institute electron emission, and this can play colour gamut supplementary function to field-emitter display, also can increase the brightness of display lighting further simultaneously.
Described fluorescent powder grain is low-voltage fluorescence powder particles, and the voltage of its excitated fluorescent powder luminescence is lower, effectively can reduce energy consumption.
Embodiment 2
The present embodiment difference from Example 1 is, in the present embodiment, be not provided with fluorescent powder grain separaant between electron emission layer on phosphor powder layer on described anode substrate and cathode base corresponding thereto, and other locus between described cathode base and described anode substrate are provided with fluorescent powder grain separaant.
Embodiment 3
The present embodiment difference from Example 1 is, in the present embodiment, described fluorescent powder grain separaant is located between the electron emission layer on the phosphor powder layer on described anode substrate and cathode base corresponding thereto, is also located at other locus between described cathode base and described anode substrate.
It is pointed out that the electron emission general principle of field-emitter display adds that enough voltage makes electronics from cathode emission out between the anode and negative electrode of field-emitter display, electronics impact fluorescence powder is luminous.According to electric field strength E=U/d, the present invention uses micron-sized fluorescent powder grain to replace conventional millimetre-sized separaant as support array, under identical electric field, the voltage added between the anode of field-emitter display and negative electrode can reduce about 1000 times, thus greatly can simplify external drive circuit.
In addition, described cathode base in the present invention and the fluorescent powder grain separaant be provided with between described anode substrate are made in (opposite position as be shown in the examples) on cathode base or anode substrate by the method for printing or spray, again through baking sintering, complete the making of fluorescent material separaant, use low-melting glass again as banding body by cathode base and the vacuum seal of anode substrate subtend, complete making of the present invention.
The foregoing is only preferred embodiment of the present invention, all equalizations done according to the present patent application the scope of the claims change and modify, and all should belong to covering scope of the present invention.
Claims (2)
1. utilize fluorescent powder grain as a field-emission display structure for separaant, comprise cathode base and the anode substrate corresponding with cathode base, it is characterized in that: between described cathode base and described anode substrate, be provided with fluorescent powder grain separaant; Described field-emission display structure is two pole field-emission display structures, and described cathode base is provided with the strip cathode conductive layer of spacing distribution, and described strip cathode conductive layer is provided with electron emission layer; The one side that described anode substrate is relative with cathode base is provided with the strip anode conductive layer that the spacing relative with described strip cathode conductive layer distributes, described strip anode conductive layer is provided with phosphor powder layer, fluorescent grain separaant is provided with between described phosphor powder layer and described electron emission layer, as support array, and other separaant is not adopted to support; Edge part between described cathode base and described anode substrate is provided with banding body, and this banding body and cathode base and anode substrate form confined space; The particle diameter of described fluorescent powder grain separaant is 1 ~ 100 micron.
2. the fluorescent powder grain that utilizes according to claim 1 is as the field-emission display structure of separaant, it is characterized in that: described fluorescent powder grain is low-voltage fluorescence powder particles.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010183880.2A CN101826433B (en) | 2010-05-27 | 2010-05-27 | Field-emission display structure by utilizing fluorescent powder grain as insulator |
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| CN201010183880.2A CN101826433B (en) | 2010-05-27 | 2010-05-27 | Field-emission display structure by utilizing fluorescent powder grain as insulator |
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| CN101826433B true CN101826433B (en) | 2015-04-15 |
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| CN102148120B (en) * | 2011-03-09 | 2013-07-31 | 福州大学 | Symmetric quadrupole structure non-isolating support filed emission displayer |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1467773A (en) * | 2002-06-13 | 2004-01-14 | ��ʽ���翨���� | Phosphor screen and cathodoluminescent device having the same |
| CN101271815A (en) * | 2007-03-20 | 2008-09-24 | 三星Sdi株式会社 | Flat display panel and method of driving the same |
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| JP2992932B2 (en) * | 1997-03-26 | 1999-12-20 | キヤノン株式会社 | Light emitting device, image display device, and method of manufacturing light emitting device |
| JP2007179980A (en) * | 2005-12-28 | 2007-07-12 | Catalysts & Chem Ind Co Ltd | Method of manufacturing new electronic device, electronic device manufactured by same, and use of electronic device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1467773A (en) * | 2002-06-13 | 2004-01-14 | ��ʽ���翨���� | Phosphor screen and cathodoluminescent device having the same |
| CN101271815A (en) * | 2007-03-20 | 2008-09-24 | 三星Sdi株式会社 | Flat display panel and method of driving the same |
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