CN100363818C - Cavity structure and plane lamp with cold cathode of using the structure - Google Patents
Cavity structure and plane lamp with cold cathode of using the structure Download PDFInfo
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- CN100363818C CN100363818C CNB2004100031824A CN200410003182A CN100363818C CN 100363818 C CN100363818 C CN 100363818C CN B2004100031824 A CNB2004100031824 A CN B2004100031824A CN 200410003182 A CN200410003182 A CN 200410003182A CN 100363818 C CN100363818 C CN 100363818C
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- plane lamp
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Abstract
The present invention relates to a cavity structure and a cold cathode planar lamp using the cavity structure. The cold cathode planar lamp is composed of the cavity structure, at least one electrode group, a fluorophor and discharge gases, wherein the cavity structure is composed of a cavity casing, a plurality of gap objects and hardening adhesives, wherein the gap objects are arranged in the cavity casing. Height error among the gap objects is greater than 0.01 millimeter and is between 1/20 and 1/4 of the height of the gap objects. The hardening adhesives are arranged between the gap objects and the cavity casing. The electrode group is arranged inside the cavity casing or outside the cavity casing. The fluorophor is arranged on the inner wall of the cavity casing. The discharge gases are filled in the cavity casing.
Description
Technical field
The present invention relates to a kind of cavity body structure (Housing) and use cold-cathode plane lamp (the Cold Cathode Fluorescent Flat Lamp of this cavity body structure, CCFFL), particularly relate to a kind of its height error of employed separation material and can and use the cold-cathode plane lamp of this cavity body structure greater than 0.01 millimeter cavity body structure.
Background technology
Along with industry is flourishing day by day, digital products such as mobile phone (Mobile phone), digital camera (Digitalcamera), digital camera (Digital video camera), mobile computer, desktop PC develop towards direction more convenient, multi-functional and attractive in appearance invariably.In above-mentioned various digital products, display screen is indispensable man-machine communication interface, and the display screen that sees through the said goods can bring more facility for user's operation.In recent years, most display screen is a main flow with display panels (Liquid Crystal Display panel, LCD panel) all.Yet, because display panels itself does not have luminous function, thus below display panels, must provide a backlight module (Back light module) so that light source to be provided, and then reach the function of demonstration.
Because the cold-cathode plane light fixture has good illumination efficiency and homogeneity, and large-area area source can be provided, so the cold-cathode plane lamp extensively is applied on the backlight even other application of display panels.The cold-cathode plane lamp is a kind of electricity slurry light-emitting component, it mainly is to utilize to apply a high voltage differential to produce high energy electron between the electrode group, and negative electrode in the gaseous discharge cavity being clashed into into gas excite state molecule, ion and electronics with blunt gas between the anode via the bump of high energy electron, gas excite state molecule, ion and the electronics of these high energy is so-called electricity slurry.Afterwards, the excite state atom that is excited in the electricity slurry can discharge energy to radiate ultraviolet mode, and the ultraviolet ray of being radiated can further excite the fluorophor in the cold-cathode plane lamp, to send visible light.
Seeing also shown in Figure 1ly, is the sectional view of existing known cold-cathode plane lamp.Known cold-cathode plane lamp 100 is made of one first substrate 110, one second substrate 120, a frame 130, at least one electrode group 140 (this figure shows three groups), a fluorophor 150 and a discharge gas 160.Wherein, frame 130 is to be disposed between first substrate 110 and second substrate 120, and is connected with the edge of first substrate 110 and second substrate 120, to constitute an airtight cavity 170.
Because the air pressure in the airtight cavity 170 is much smaller than external atmospheric pressure, so when needs provide large-area area source, if only keep gap between first substrate 110 and second substrate 120 with frame 130, structural strength with regard to as easy as rolling off a log middle section because of cold-cathode plane lamp 100 is comparatively fragile, and is pushed even cause damage by atmospheric pressure.So, the thickness of first substrate 110 and second substrate 120 can be increased usually.Though the method can improve whole structural strength, the thickness increase of cold-cathode plane lamp 100 has caused the increase of backlight module integral thickness.
For addressing the above problem, known cold-cathode plane lamp 100 more adds a plurality of separation materials (Spacer) 190 between first substrate 110 and second substrate 120, in order to strengthen the structural strength of middle section, make cold-cathode plane lamp 100 can bear extraneous atmospheric pressure or other external force improperly.But, all can contact first substrate 110 and second substrate 120 for making all separation materials 190, to bring into play the support function of all separation materials 190, then the height error of separation material 190 need be limited to 0.01 millimeter with interior or more accurate.Thus, the cost of separation material 190 will increase along with dimensional accuracy improves and is multiple, and must be careful more when making construction and cause the increase in man-hour.
This shows that above-mentioned existing cavity body structure and the cold-cathode plane lamp of using this cavity body structure still have many defectives, and demand urgently further being improved.In order to solve existing cavity body structure and to use the defective of the cold-cathode plane lamp of this cavity body structure, relevant manufacturer there's no one who doesn't or isn't seeks solution painstakingly, but do not see always that for a long time suitable design finished by development, this obviously is the problem that the anxious desire of relevant dealer solves.
Because above-mentioned existing cavity body structure and use the defective that the cold-cathode plane lamp of this cavity body structure exists, the inventor is based on being engaged in this type of product design manufacturing abundant for many years practical experience and professional knowledge, actively studied innovation, in the hope of the cavity body structure of founding a kind of new structure and the cold-cathode plane lamp of using this cavity body structure, can improve existing cavity body structure and use the cold-cathode plane lamp of this cavity body structure, make it have more practicality.Through constantly research, design, and after studying sample and improvement repeatedly, create the present invention who has practical value finally.
Summary of the invention
The objective of the invention is to, overcome existing cavity body structure and use the defective of the cold-cathode plane lamp existence of this cavity body structure, and a kind of cavity body structure of new structure is provided and uses the cold-cathode plane lamp of this cavity body structure, technical matters to be solved is, a kind of cold-cathode plane lamp is provided, be suitable for saving the manufacturing time and the cost of cold-cathode plane lamp, thereby be suitable for practicality more, and have the value on the industry.
Another object of the present invention is to, a kind of cavity body structure is provided, be suitable for saving the manufacturing time and the cost of cavity body structure, thereby have the value on the industry more.
The object of the invention to solve the technical problems realizes by the following technical solutions.According to a kind of cold-cathode plane lamp that the present invention proposes, it comprises:
One airtight shell cavity; Most separation materials are disposed in this shell cavity, and to provide support, wherein the height error between those separation materials is greater than 0.01 millimeter, and the height error of those separation materials be between the height of those separation materials 1/20 to 1/4 between; One sclerosis glue is disposed between this shell cavity and those separation materials; At least one electrode group is disposed on this shell cavity; One fluorophor is disposed on the inwall of this shell cavity; And a discharge gas, be disposed in this shell cavity.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Aforesaid cold-cathode plane lamp, the height of wherein said separation material are between 1 millimeter to 2 millimeters.
Aforesaid cold-cathode plane lamp, the thickness of wherein said sclerosis glue are between 0.1 millimeter to 0.25 millimeter.
Aforesaid cold-cathode plane lamp, the thickness of wherein said sclerosis glue be between the height of those separation materials 1/20 to 1/4 between.
Aforesaid cold-cathode plane lamp, wherein said sclerosis glue comprises glass cement.
Aforesaid cold-cathode plane lamp, wherein said shell cavity comprises: one first substrate; One second substrate is disposed at this first substrate top; And a frame, be disposed between this first substrate and this second substrate, and be connected with the edge of this first substrate and this second substrate.
Air pressure in the aforesaid cold-cathode plane lamp, wherein said shell cavity is less than the outer air pressure of this shell cavity.
The object of the invention to solve the technical problems also adopts following technical scheme to realize.According to a kind of cavity body structure that is applied to the cold-cathode plane lamp that the present invention proposes, it comprises: an airtight shell cavity; Most separation materials are disposed in this shell cavity, and to provide support, wherein the height error between those separation materials is greater than 0.01 millimeter, and the height error of those separation materials be between the height of those separation materials 1/20 to 1/4 between; And one the sclerosis glue, be disposed between this shell cavity and those separation materials.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Aforesaid cavity body structure, the height of wherein said separation material are between 1 millimeter to 2 millimeters.
Aforesaid cavity body structure, the thickness of wherein said sclerosis glue are between 0.1 millimeter to 0.25 millimeter.
Aforesaid cavity body structure, the thickness of wherein said sclerosis glue be between the height of those separation materials 1/20 to 1/4 between.
Aforesaid cavity body structure, wherein said sclerosis glue comprises glass cement.
Air pressure in the aforesaid cavity body structure, wherein said shell cavity is less than the outer air pressure of this shell cavity.
The present invention compared with prior art has tangible advantage and beneficial effect.By above technical scheme as can be known, in order to reach aforementioned goal of the invention, major technique of the present invention thes contents are as follows:
The cold-cathode plane lamp is made of a cavity body structure, at least one electrode group, a fluorophor and a discharge gas.Wherein, cavity body structure is made of a shell cavity, a plurality of separation material and a sclerosis glue.Separation material is to be disposed in the shell cavity.Height error between the separation material is greater than 0.01 millimeter, and between the height of separation material 1/20 to 1/4 between.Sclerosis glue is to be disposed between shell cavity and the separation material.The electrode group is to be disposed on the shell cavity.Fluorophor is to be disposed on the inwall of shell cavity.Discharge gas is to be disposed in the shell cavity.
In the present embodiment, the height of separation material for example is between 1 millimeter to 2 millimeters.The thickness of sclerosis glue for example is between 0.1 millimeter to 0.25 millimeter.The thickness of sclerosis glue be between the height of separation material 1/20 to 1/4 between.Sclerosis glue for example is glass cement.
In addition, shell cavity is made of one first substrate, one second substrate and a frame.Second substrate is to be disposed at first substrate top.Frame for example is to be disposed between first substrate and second substrate, and is connected with the edge of first substrate and second substrate.Air pressure in the above-mentioned shell cavity for example is less than the outer air pressure of shell cavity.
Based on above-mentioned purpose, the present invention reintroduces a kind of cavity body structure.This cavity body structure is made of a shell cavity, a plurality of separation material and a sclerosis glue.Wherein, separation material is to be disposed in the shell cavity.Height error between the separation material is greater than 0.01 millimeter, and between the height of separation material 1/20 to 1/4 between.Sclerosis glue is to be disposed between separation material and the shell cavity.
In the present embodiment, the height of separation material for example is between 1 millimeter to 2 millimeters.The thickness of sclerosis glue for example is between 0.1 millimeter to 0.25 millimeter.The thickness of sclerosis glue for example be between the height of separation material 1/20 to 1/4 between.Sclerosis glue for example is glass cement.
In addition, the air pressure in the shell cavity for example is less than the outer air pressure of shell cavity.
In sum, at cavity body structure of the present invention and use in the cold-cathode plane lamp of this cavity body structure, because the height error of employed separation material is scalable to 0.1 millimeter, thus can save the required cost of the separation material of high dimensional accuracy, and reduce the constructional difficulties degree.
Via as can be known above-mentioned, the invention relates to a kind of cavity body structure and use the cold-cathode plane lamp of this cavity body structure, the cold-cathode plane lamp is made of a cavity body structure, at least one electrode group, a fluorophor and a discharge gas.Cavity body structure is made of a shell cavity, a plurality of separation material and a sclerosis glue.Separation material is disposed in the shell cavity.Height error between the separation material is greater than 0.01 millimeter, and between the height of separation material 1/20 to 1/4 between.Sclerosis glue is to be disposed between separation material and the shell cavity.The electrode group be disposed in the shell cavity or shell cavity outside.Fluorophor is to be disposed on the inwall of shell cavity.Discharge gas is to be disposed in the shell cavity.
By technique scheme, cavity body structure of the present invention and the cold-cathode plane lamp of using this cavity body structure have following advantage at least:
At cavity body structure of the present invention and use in the cold-cathode plane lamp of this cavity body structure, owing to dispose thicker glass cement between separation material and chamber wall, and under the heat fusing state, carry out setting of separation material, therefore the height error of employed separation material can be greater than 0.01 millimeter, and remedies size difference between each separation material automatically with glass cement.So, not only can save the required cost of separation material of high dimensional accuracy, and can significantly reduce the constructional difficulties degree and obtain splendid structural strength and fiduciary level.
In sum, the cavity body structure of special construction of the present invention and use the cold-cathode plane lamp of this cavity body structure, it has above-mentioned many advantages and practical value, and in like product, do not see have similar structural design to publish or use and really genus innovation, no matter it all has bigger improvement on the structure of product or function, have large improvement technically, and produced handy and practical effect, and more existing cavity body structure and the cold-cathode plane light fixture of using this cavity body structure have the multinomial effect of enhancement, thereby be suitable for practicality more, and have the extensive value of industry, really be a novelty, progressive, practical new design.
Above-mentioned explanation only is the general introduction of technical solution of the present invention, for can clearer understanding technological means of the present invention, and can be implemented according to the content of instructions, below with preferred embodiment of the present invention and conjunction with figs. describe in detail as after.
The specific embodiment of the present invention is provided in detail by following examples and accompanying drawing thereof.
Description of drawings
Fig. 1 is the sectional view of known cold-cathode plane lamp.
Fig. 2 is the cavity body structure of a preferred embodiment of the present invention, and uses the sectional view of the cold-cathode plane lamp of this cavity body structure.
Fig. 3 A～3C is the enlarged diagram in A district among Fig. 2.
100,200: cold-cathode plane lamp 110,212: the first substrates
120,214: the second substrates 130,216: frame
140,240: electrode group 140a, 240a: anode
140b, 240b: negative electrode 150,250: fluorophor
160,260: discharge gas 170: airtight cavity
180,280: dielectric layer 190,290: separation material
205: cavity body structure 210: shell cavity
230: sclerosis glue A: zone
Embodiment
Below in conjunction with accompanying drawing and preferred embodiment, cavity body structure that foundation the present invention is proposed and its concrete structure of cold-cathode plane lamp, feature and the effect thereof of using this cavity body structure, describe in detail as after.
See also shown in Figure 2ly, Fig. 2 is the cavity body structure of a preferred embodiment of the present invention, and uses the sectional view of the cold-cathode plane lamp of this cavity body structure.Cold-cathode plane lamp 200 is made of a cavity body structure 205, at least one electrode group 240 (this figure shows three groups), a fluorophor 250 and a discharge gas 260.Cavity body structure 205 is made of a shell cavity 210, a plurality of separation material 290 and a sclerosis glue 230.
See also shown in Fig. 3 A～3C, Fig. 3 A～3C is the enlarged diagram in A district among Fig. 2.In the present embodiment, the height of separation material 290 for example is between 1 millimeter to 2 millimeters, and its height error is greater than 0.01 millimeter.Therefore, separation material 290 is being made on degree of difficulty and the cost, reduces but the height error must be multiple less than 0.01 millimeter known separation material.In addition, the thickness of sclerosis glue 230 for example is for good between 0.1 millimeter to 0.25 millimeter person.The thickness of sclerosis glue 230 for example be between the height of separation material 290 1/20 to 1/4 between.
With the shell cavity 210 that is applied in cold-cathode plane lamp 200 is example, and it is made of one first substrate 212, one second substrate 214 and a frame 216.In the work progress of cavity body structure 205 of the present invention and cold-cathode plane lamp 200, for example be that the glue 230 that will harden earlier is disposed on second substrate 214, afterwards separation material 290 is disposed on the sclerosis glue 230, again second substrate 214 and top sclerosis glue 230 are carried out pre-burning curing with separation material 290, first substrate 212 that then will dispose sclerosis glue 230 is covered on second substrate 214, and separation material 290 is aimed to carry out involution thermal treatment with the sclerosis glue 230 on first substrate 212.See also shown in Fig. 3 A～3C, this moment since the sclerosis glue 230 be to present molten condition, so each separation material 290 will because of size difference with in the glue 230 that deeply hardens in various degree.Wait at last to harden after glue 230 hardenings by cooling, can remedy the size difference of each separation material 290 aspect height, and can bring into play the supporting role of 290 pairs of cavity body structures 205 of all separation materials.
Please continue to consult shown in Figure 2, electrode group 240 is to be disposed on the shell cavity 210, and its quantity is not limited to one group.In other words, electrode group 240 for example is to be disposed in the shell cavity 210, or is disposed at outside the shell cavity 210, is to be example with the electrode group 240 that is disposed in the shell cavity 210 at this.Electrode group 240 is made of an anode 240a and a negative electrode 240b, and anode 240a and negative electrode 240b dispose parallel to each other.Usually can be coated with one dielectric layer 280 on the electrode group 240, can not damage because of ionic bombardment with guard electrode group 240.If electrode group 240 is to be disposed at shell cavity 210 when outer, then electrode group 240 does not need the protection of dielectric layer 280.The material of electrode group 240 for example is metal electrodes such as nickel, silver, copper, molybdenum or niobium.Fluorophor 250 is to be disposed on the inwall of shell cavity 210.Discharge gas 260 flows in the shell cavity 210, and discharge gas 260 for example is inert gases such as xenon, neon, argon gas.
In addition, the material of first substrate 212 and second substrate 214 for example is the good materials of light transmission such as glass.Frame 216 for example is to be disposed between first substrate 212 and second substrate 214, and is connected with the edge of first substrate 212 and second substrate 214.Air pressure in the shell cavity 210 for example is less than the air pressure outside the shell cavity 210.
It should be noted that, cavity body structure of the present invention is not limited to be applied in the cold-cathode plane lamp, also can be applicable to other product, the especially air pressure of shell cavity inside that need strengthen the structural strength of cavity body structure with separation material air pressure little product outer than shell cavity.
In sum, at cavity body structure of the present invention and use in the cold-cathode plane lamp of this cavity body structure, owing to dispose thicker glass cement between separation material and chamber wall, and under the heat fusing state, carry out setting of separation material, therefore the height error of employed separation material can be greater than 0.01 millimeter, and remedies size difference between each separation material automatically with glass cement.So, not only can save the required cost of separation material of high dimensional accuracy, and can significantly reduce the constructional difficulties degree and obtain splendid structural strength and fiduciary level.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, though the present invention discloses as above with preferred embodiment, yet be not in order to limit the present invention, any those skilled in the art, in not breaking away from the technical solution of the present invention scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solution of the present invention, according to technical spirit of the present invention to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solution of the present invention.
Claims (13)
1. cold-cathode plane lamp is characterized in that it comprises:
One airtight shell cavity;
Most separation materials are disposed in this shell cavity, and to provide support, wherein the height error between those separation materials is greater than 0.01 millimeter, and the height error of those separation materials be between the height of those separation materials 1/20 to 1/4 between; And
One sclerosis glue is disposed between this shell cavity and those separation materials;
At least one electrode group is disposed on this shell cavity;
One fluorophor is disposed on the inwall of this shell cavity; And
One discharge gas is disposed in this shell cavity.
2. cold-cathode plane lamp according to claim 1, the height that it is characterized in that wherein said separation material are between 1 millimeter to 2 millimeters.
3. cold-cathode plane lamp according to claim 1, the thickness that it is characterized in that wherein said sclerosis glue are between 0.1 millimeter to 0.25 millimeter.
4. cold-cathode plane lamp according to claim 1, the thickness that it is characterized in that wherein said sclerosis glue be between the height of those separation materials 1/20 to 1/4 between.
5. cold-cathode plane lamp according to claim 1 is characterized in that wherein said sclerosis glue comprises glass cement.
6. cold-cathode plane lamp according to claim 1 is characterized in that wherein said shell cavity comprises:
One first substrate;
One second substrate is disposed at this first substrate top; And
One frame is disposed between this first substrate and this second substrate, and is connected with the edge of this first substrate and this second substrate.
7. cold-cathode plane lamp according to claim 1 is characterized in that the air pressure in the wherein said shell cavity is less than the outer air pressure of this shell cavity.
8. cavity body structure that is applied to the cold-cathode plane lamp, it comprises:
One airtight shell cavity;
Most separation materials are disposed in this shell cavity, and to provide support, wherein the height error between those separation materials is greater than 0.01 millimeter, and the height error of those separation materials be between the height of those separation materials 1/20 to 1/4 between; And
One sclerosis glue is disposed between this shell cavity and those separation materials.
9. the cavity body structure that is applied to the cold-cathode plane lamp according to claim 8, the height that it is characterized in that wherein said separation material are between 1 millimeter to 2 millimeters.
10. the cavity body structure that is applied to the cold-cathode plane lamp according to claim 8, the thickness that it is characterized in that wherein said sclerosis glue are between 0.1 millimeter to 0.25 millimeter.
11. the cavity body structure that is applied to the cold-cathode plane lamp according to claim 8, the thickness that it is characterized in that wherein said sclerosis glue be between the height of those separation materials 1/20 to 1/4 between.
12. the cavity body structure that is applied to the cold-cathode plane lamp according to claim 8 is characterized in that wherein said sclerosis glue comprises glass cement.
13. the cavity body structure that is applied to the cold-cathode plane lamp according to claim 8 is characterized in that the air pressure in the wherein said shell cavity is less than the outer air pressure of this shell cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100031824A CN100363818C (en) | 2004-02-24 | 2004-02-24 | Cavity structure and plane lamp with cold cathode of using the structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100031824A CN100363818C (en) | 2004-02-24 | 2004-02-24 | Cavity structure and plane lamp with cold cathode of using the structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1661443A CN1661443A (en) | 2005-08-31 |
| CN100363818C true CN100363818C (en) | 2008-01-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100031824A Expired - Fee Related CN100363818C (en) | 2004-02-24 | 2004-02-24 | Cavity structure and plane lamp with cold cathode of using the structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN100363818C (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2107064U (en) * | 1990-07-21 | 1992-06-10 | 三星电管株式会社 | Flat-type cold cathode fluorescent lamp |
| US6151857A (en) * | 1999-03-01 | 2000-11-28 | Pieces, Llc | Prefabricated composite construction system for internal and/or external building-walls |
| CN1432852A (en) * | 2002-01-16 | 2003-07-30 | 三星电子株式会社 | Flat lamp and liquid crystal display unit with the flat lamp |
-
2004
- 2004-02-24 CN CNB2004100031824A patent/CN100363818C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2107064U (en) * | 1990-07-21 | 1992-06-10 | 三星电管株式会社 | Flat-type cold cathode fluorescent lamp |
| US6151857A (en) * | 1999-03-01 | 2000-11-28 | Pieces, Llc | Prefabricated composite construction system for internal and/or external building-walls |
| CN1432852A (en) * | 2002-01-16 | 2003-07-30 | 三星电子株式会社 | Flat lamp and liquid crystal display unit with the flat lamp |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1661443A (en) | 2005-08-31 |
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