CN1917132B - Structure of anode plate of plane light source in field emission - Google Patents
Structure of anode plate of plane light source in field emission Download PDFInfo
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- CN1917132B CN1917132B CN200510092682A CN200510092682A CN1917132B CN 1917132 B CN1917132 B CN 1917132B CN 200510092682 A CN200510092682 A CN 200510092682A CN 200510092682 A CN200510092682 A CN 200510092682A CN 1917132 B CN1917132 B CN 1917132B
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- light source
- anode plate
- plate
- planar light
- rough surface
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Abstract
Besides existed structure, the structure of disclosed plane light source of field emission also includes a structure of anode plate. The structure of anode plate includes an anode plate, and fluorescent layer formed on the anode plate. Using spatial structure of the fluorescent layer and structure of rough surface of the anode plate increases luminous surface in unit area of plane light source so as to raise luminous efficiency of the plane light source. In a practical example, the structure of rough surface of the anode plate can be structure of multiple dividual spatial lugs or structure in concave mirror like.
Description
Technical field
(field emission display FED), relates in particular to positive plate (anode plate) structure of the planar light source (flat panel light source) of a kind of emission to the present invention relates to a kind of field emission display.
Background technology
Fig. 1 is a structural representation of field emission planar light source.This field emission planar light source mainly comprises a minus plate (cathode plate) module and a positive plate (anode plate) module.The minus plate module mainly comprises a minus plate 101 and is formed on lip-deep negative electrode (cathode electrode) and grid (gate electrode) lead (not being shown among the figure) and a plurality of emission sources (emitter) 103 of this minus plate 101.The positive plate module mainly comprises a substrate (substrate) 105, is formed on one deck indium tin oxide (ITO) 107 and a fluorescence coating (fluorescent layer) 109 of substrate 105 inner surfaces.
By this emission source 103 divergent bundle under low operating voltage, with bump fluorescence coating 109, and make fluorescence coating 109 excitation sources that are formed on the indium tin oxide layer 107, excitation source is again through indium tin oxide layer 107, and is luminous by the exiting surface of positive plate module.
The research of the luminous efficiency of the planar light source that field emission display is formed is still carried out continuing.For reaching the demand of high brightness, field emission planar light source need increase electron stream density and the positive plate voltage that negative electrode penetrates.But the increase of electron stream density can make the light-emitting phosphor decrease in efficiency.And because of the increase of power, the temperature of field emission planar light source also can significantly rise thereupon.Be unfavorable for the application of field emission planar light source like this.
Summary of the invention
Need promote a shortcoming of the luminous efficiency of launching site planar light source to increase electron stream density and the positive plate voltage that negative electrode penetrates for solving field emission planar light source, the invention provides a kind of positive plate module of field emission planar light source.The structure of the anode substrate module of this planar light source by changing traditional launching site, field planar light source, or the structure of fluorescence coating increase the light-emitting area on the unit are of planar light source, reach the effect of the luminous efficiency that promotes planar light source.
In the first embodiment of the present invention, the structure of the planar light source of an emission is except existing minus plate structure, and other comprises an anode plate structure.This anode plate structure comprises a planar anode plate (flat anodeplate) and is formed at the fluorescence coating that has a plurality of stereochemical structures of separating on this planar anode plate.
That is to say, the invention provides the anode plate structure of the planar light source of a kind of emission, the structure of this planar light source comprises a minus plate structure and an anode plate structure, this minus plate structure comprises a minus plate, is formed on the lip-deep negative electrode of this minus plate and grid lead and a plurality of emission source, and this anode plate structure comprises: a planar anode plate; And a fluorescence coating, be formed on this planar anode plate, and have a plurality of stereochemical structures of separating.
According to the anode plate structure of the planar light source of emission according to the present invention, wherein, this planar anode plate comprises a substrate at least and is formed at a reflector on this substrate.
According to the anode plate structure of of the present invention the planar light source of launching, wherein, the formation of this fluorescence coating is to utilize a screen printing mode to be coated with the fluorescent powder paste material of this stereochemical structure on the surface of this planar anode plate.
In other embodiment of the present invention, the anode plate structure of the planar light source of an emission comprises one to have the positive plate of rough surface and is formed at fluorescence coating on this rough surface. and this positive plate with rough surface for example has a plurality of three-dimensional projection cube structures that separate or has the specular structure of concave surface.
That is to say, the present invention also provides the anode plate structure of the planar light source of a kind of emission, the structure of this planar light source comprises a minus plate structure and an anode plate structure, this minus plate structure comprises a minus plate, is formed on the lip-deep negative electrode of this minus plate and grid lead and a plurality of emission source, this anode plate structure comprises: a positive plate, and this positive plate has a rough surface; And a fluorescence coating, be formed on this rough surface.
According to the anode plate structure of of the present invention the planar light source of launching, wherein, this positive plate has a three-dimensional concaveconvex structure.
According to the anode plate structure of the planar light source of emission according to the present invention, wherein, this positive plate comprises a substrate at least and is formed at a reflector on this substrate.
According to the anode plate structure of of the present invention the planar light source of launching, wherein, this solid concaveconvex structure is made up of the stereochemical structure that forms a plurality of projection shapes on the planar substrates.
According to the anode plate structure of of the present invention the planar light source of launching, wherein, the rough surface of this positive plate has the specular structure of a plurality of concave surfaces.
According to the anode plate structure of of the present invention the planar light source of launching, wherein, the rough surface of this positive plate utilizes an etching mode to form.
According to the anode plate structure of of the present invention the planar light source of launching, wherein, the rough surface of this positive plate utilizes a sandblast mode to form.
According to this, increase the spreading area of fluorescent material on positive plate, therefore increase the probability of electronic impact, reach the function that light-source brightness increases.
Detailed description and claims of now cooperating following accompanying drawing, embodiment, will on address other purpose of the present invention and advantage and be specified in after.
Description of drawings
Fig. 1 is a structural representation of traditional field emission display;
Fig. 2 is a structural representation of the first embodiment of the present invention;
Fig. 3 is a structural representation of the second embodiment of the present invention;
Fig. 4 is a structural representation of the third embodiment of the present invention.
Wherein, description of reference numerals is as follows:
101 minus plates, 103 emission sources, 105 substrates, 107 indium tin oxides
109 fluorescence coating 201 minus plates, 203 negative electrodes and grid lead and emission sources
205 planar anode plates, 207 stereochemical structures, 209 fluorescence coatings, 210 anode plate structures
305 positive plates, 306 rough surfaces, 307 three-dimensional concaveconvex structures
309 fluorescence coatings, 310 anode plate structures, 405 positive plates, 406 rough surfaces
Specular 409 fluorescence coatings of 408 concave surfaces 410 anode plate structures
Embodiment
As previously mentioned, the structure of the planar light source of field emission also comprises an anode plate structure except comprising existing minus plate structure. and existing minus plate structure mainly comprises a minus plate, is formed on the lip-deep negative electrode of this minus plate and grid lead and emission source.
Anode plate structure of the present invention comprises a positive plate and and is formed on the lip-deep fluorescence coating of this positive plate.This positive plate has a substrate and one deck and is formed on reflector on this substrate, and is not shown in the drawings.The principal character of the anode plate structure of the planar light source of field of the present invention emission is the surface structure design of positive plate for this reason, comprises the surface structure design of fluorescence coating and the surface structure design of positive plate.Below describe the surface texture of this fluorescence coating and positive plate in an embodiment respectively in detail.
Describe the structure of first embodiment of the invention～the 3rd embodiment among Fig. 2～Fig. 4 respectively in detail.
With reference to figure 2, among this first embodiment, existing minus plate structure mainly comprises a minus plate 201, is formed on lip-deep negative electrode and the grid lead and the emission source 203 of this minus plate 201.And anode plate structure 210 comprises a planar anode plate 205 and be formed at the fluorescence coating 209 that has a plurality of stereochemical structures of separating 207 on this planar anode plate 205.
The formation of this fluorescence coating 209 can be coated with the fluorescent powder paste material (paste) of stereochemical structure 207 on the surface of planar anode plate 205 with screen printing mode.
Below among the second and the 3rd embodiment, the minus plate structure is identical with minus plate structure among first embodiment, no longer repeats.But the positive plate in the anode plate structure has the structure of a rough surface.
With reference to figure 3, among this second embodiment, anode plate structure 310 comprises one to have the positive plate 305 of rough surface 306 and is formed at fluorescence coating 309 on this rough surface 306.This positive plate 305 has a three-dimensional concaveconvex structure 307.This fluorescence coating 309 promptly is formed on the surface of this three-dimensional concaveconvex structure 307.This three-dimensional concaveconvex structure 307 can form the stereochemical structure of a plurality of projection shapes on a planar substrates.The rough surface 306 of positive plate 305 can form with modes such as etching or sandblasts.
The surface texture of rough surface 306 to the first embodiment midplanes of this three-dimensional concaveconvex structure 307 has bigger surface area and offers the fluorescent material coating.Under the condition of identical electronic current density and positive plate voltage,, and reach the purpose that promotes light-source brightness because of the increase of electronic impact probability.
With reference to figure 4, this 3rd embodiment and second embodiment do not exist together for, the rough surface 406 of the positive plate 405 in the anode plate structure 410 is the structures with a plurality of concave surfaces specular 408.Fluorescence coating 409 then is formed on the rough surface 406 with the specular structure of this concave surface.
In sum, the present invention utilizes the surface structure design of positive plate, comprises the structural design of the rough surface of the stereochemical structure design of fluorescence coating and positive plate, increases the spreading area of fluorescent material on positive plate, therefore increase the probability of electronic impact, reach the function that light-source brightness increases.And the rough surface of the specular structure of concave surface also can increase the directivity of excitation source, reaches the effect of optically focused.
But the above only is embodiments of the invention, can not limit scope of the invention process with this.Be that every equalization of doing according to claims of the present invention changes and revises, all should belong in the scope that claims of the present invention contain.
Claims (4)
1. the anode plate structure of the planar light source of field emission, the structure of this planar light source comprises a minus plate structure and an anode plate structure, this minus plate structure comprises a minus plate, is formed on the lip-deep negative electrode of this minus plate and grid lead and a plurality of emission source, and this anode plate structure comprises:
One positive plate, this positive plate has a rough surface; And
One fluorescence coating is formed on this rough surface;
Wherein, the rough surface of this positive plate has the specular structure of a plurality of concave surfaces.
2. the anode plate structure of the planar light source of emission as claimed in claim 1 is characterized in that, this positive plate comprises a substrate at least and is formed at a reflector on this substrate.
3. the anode plate structure of the planar light source of as claimed in claim 1 emission is characterized in that, the rough surface of this positive plate utilizes an etching mode to form.
4. the anode plate structure of the planar light source of as claimed in claim 1 emission is characterized in that the rough surface of this positive plate utilizes a sandblast mode to form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200510092682A CN1917132B (en) | 2005-08-18 | 2005-08-18 | Structure of anode plate of plane light source in field emission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200510092682A CN1917132B (en) | 2005-08-18 | 2005-08-18 | Structure of anode plate of plane light source in field emission |
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| Publication Number | Publication Date |
|---|---|
| CN1917132A CN1917132A (en) | 2007-02-21 |
| CN1917132B true CN1917132B (en) | 2010-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200510092682A Expired - Fee Related CN1917132B (en) | 2005-08-18 | 2005-08-18 | Structure of anode plate of plane light source in field emission |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103779156A (en) * | 2012-10-17 | 2014-05-07 | 海洋王照明科技股份有限公司 | Conductive glass for anode plates and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5595519A (en) * | 1995-02-13 | 1997-01-21 | Industrial Technology Research Institute | Perforated screen for brightness enhancement |
| US5637958A (en) * | 1995-03-06 | 1997-06-10 | Texas Instruments Incorporated | Grooved anode plate for cathodoluminescent display device |
| CN2587057Y (en) * | 2002-11-14 | 2003-11-19 | 鸿富锦精密工业（深圳）有限公司 | Field emission display device |
| CN1655316A (en) * | 2004-02-09 | 2005-08-17 | 东元奈米应材股份有限公司 | Field emission display with a reflecting layer |
-
2005
- 2005-08-18 CN CN200510092682A patent/CN1917132B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5595519A (en) * | 1995-02-13 | 1997-01-21 | Industrial Technology Research Institute | Perforated screen for brightness enhancement |
| US5637958A (en) * | 1995-03-06 | 1997-06-10 | Texas Instruments Incorporated | Grooved anode plate for cathodoluminescent display device |
| CN2587057Y (en) * | 2002-11-14 | 2003-11-19 | 鸿富锦精密工业（深圳）有限公司 | Field emission display device |
| CN1655316A (en) * | 2004-02-09 | 2005-08-17 | 东元奈米应材股份有限公司 | Field emission display with a reflecting layer |
Non-Patent Citations (1)
| Title |
|---|
| 同上. |
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| CN1917132A (en) | 2007-02-21 |
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Granted publication date: 20100505 Termination date: 20180818 |