CN203200175U - Plate glass sealing structure - Google Patents
Plate glass sealing structure Download PDFInfo
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- CN203200175U CN203200175U CN 201320222111 CN201320222111U CN203200175U CN 203200175 U CN203200175 U CN 203200175U CN 201320222111 CN201320222111 CN 201320222111 CN 201320222111 U CN201320222111 U CN 201320222111U CN 203200175 U CN203200175 U CN 203200175U
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- glass substrate
- seal construction
- glass
- sheet glass
- frame
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Abstract
The utility model discloses a plate glass sealing structure which comprises a first glass substrate, an insulating layer, a metal sealing frame and a second glass substrate sequentially from bottom to top. The insulating layer is in a frame shape and is arranged on the periphery of the first glass substrate in a surrounding mode. The metal sealing frame is formed by heating and melting a metal solder layer arranged between the first glass substrate and the second glass substrate, so that a certain distance is kept between the first glass substrate and the second glass substrate, and the interiors are in a good sealing state. The plate glass sealing structure is suitable for assembling the two plate glass substrates correspondingly, enables internal air to be isolated from external air and water vapor, and accordingly improves performance and quality of devices.
Description
[technical field]
The utility model relates to a kind of sheet glass seal construction, particularly relate to a kind of by the heat fused brazing metal to seal two to the sheet glass seal construction of group glass substrate inside.
[background technology]
In the middle of the technique of display field, so-called flat pannel display (Flat Panel Display, FPD) technology includes liquid-crystal display (Liquid Crystal Display, LCD) and organic light emitting diode (Organic Light-Emitting Diode, OLED) indicating meter.Wherein LCD display is to utilize the characteristic of liquid crystal material to show image, and it has more the advantages such as frivolous, low driving voltage and reduce power consumption compared to other display unit, has become the main product on the whole consumption market; In addition, the major advantage of OLED technology is that active illuminating does not need backlight, and has the advantages such as wide viewing angle, high contrast, low power consumption, high reaction rate, true color and processing procedure are simple.Therefore, no matter be that technology has been attained ripe LCD display, or technology also is tending towards practical OLED indicating meter, all progressively replaces existing cathode tube (CRT, Cathode Ray Tube) indicating meter.In addition, the OLED technology also is a kind of important technology development trend of planar light source except being applied to indicating meter simultaneously.
Yet, in the middle of the technology of flat pannel display and planar light source, are very important technology for the bonding of two sheet glass, its sealing effectiveness more directly affects performance and the quality of indicating meter.In general, existing UV-light (UV) curing technology is the technology that adopts the earliest in LCD and the OLED encapsulation, because it has following characteristics: without solvent or a small amount of solvent, reduced the pollution of solvent to environment; Power consumption is few, and low-temperature curable is applicable to heat sensitive material; And curing speed is fast, and efficient is high, can use in high-speed production lines, and the curing apparatus floor space is little etc.But because UV glue is a kind of organic materials, molecular gap was larger after it solidified, and therefore made steam and oxygen ratio be easier to see through medium and arrived at the seal inside zone, thereby affect performance and the quality of device.
Therefore, be necessary to provide a kind of sheet glass seal construction, to solve the existing problem of prior art.
[utility model content]
Main purpose of the present utility model provides a kind of sheet glass seal construction, to solve the problem of prior art middle plateform glass capsulation quality.
For reaching above-mentioned purpose, the utility model provides a kind of sheet glass seal construction, and it comprises:
One first glass substrate;
One insulation layer is a shaped as frame, around the periphery of being located at described the first glass substrate;
One metallic seal frame is a shaped as frame, and correspondence is located at the top of described insulation layer; And
One second glass substrate is located at the top of described metallic seal frame, and corresponding described the first glass substrate;
Wherein, described the first glass substrate and described the second glass substrate keep a fixed spacing by described insulation layer and described metallic seal frame, and make its inner sealed state that forms.
In an embodiment of the present utility model, described insulation layer is the insulation layer of an inorganic insulating material.
In an embodiment of the present utility model, described inorganic insulating material is selected from silicon or silicon-dioxide.
In an embodiment of the present utility model, the material melting point of described metallic seal frame is lower than the fusing point of described first and second glass substrate.
In an embodiment of the present utility model, the material thermal expansion coefficient of described metallic seal frame approach or equal described first and second glass substrate thermal expansivity.
In an embodiment of the present utility model, the material of described metallic seal frame is selected from tin, tin alloy, indium or indium alloy.
In an embodiment of the present utility model, the width of described metallic seal frame is less than the width of described insulation layer.
In an embodiment of the present utility model, described sheet glass seal construction is the glass substrate configuration of an organic light emitting diode planar light source; Described the first glass substrate is an active glass substrate; And described the second glass substrate is a packaged glass substrate.
In an embodiment of the present utility model, described sheet glass seal construction is the glass substrate configuration of an organic luminuous dipolar object display; Described the first glass substrate is an active glass substrate; And described the second glass substrate is a packaged glass substrate.In an embodiment of the present utility model, described sheet glass seal construction is the glass substrate configuration of a liquid-crystal display; Described the first glass substrate is an array glass substrate; And described the second glass substrate is a colored filter glass substrate.
The utility model sheet glass seal construction, by with the material of the metal welding bed of material as sealing frame, applicable to the seal construction of two flat glass substrates to group, guarantee the sealing effectiveness of described sheet glass seal construction, thereby improve performance and the quality of device.
[description of drawings]
Figure 1A: the sectional view of the utility model sheet glass seal construction the first embodiment.
Fig. 1 B: the top view of the utility model sheet glass seal construction the first embodiment.
Fig. 2 A-2F: each step schematic diagram of the manufacture method of the utility model sheet glass seal construction.
Fig. 3: the sectional view of the utility model sheet glass seal construction the second embodiment.
Fig. 4: the sectional view of the utility model sheet glass seal construction the 3rd embodiment.
Fig. 5: the sectional view of the utility model sheet glass seal construction the 4th embodiment.
[embodiment]
For allowing the utility model above-mentioned purpose, feature and advantage become apparent, the utility model preferred embodiment cited below particularly, Bing cooperates accompanying drawing, elaborates.For allowing the utility model above-mentioned purpose, feature and advantage become apparent, the utility model preferred embodiment cited below particularly, and cooperation accompanying drawing are described in detail below.Moreover, the direction term that the utility model is mentioned, such as " on ", D score, 'fornt', 'back', " left side ", " right side ", " interior ", " outward ", " side " etc., only be the direction with reference to annexed drawings.Therefore, the direction term of use is in order to explanation and understands the utility model, but not in order to limit the utility model.
Based on the convenience on describing, to have omitted among each figure and the more unallied assembly of this explanation, and presented in a kind of mode of schematic diagram what this must illustrate first.
Please refer to Figure 1A and Figure 1B, Figure 1A is the sectional view of the utility model sheet glass seal construction the first embodiment; And Figure 1B is the top view of the utility model sheet glass seal construction the first embodiment.Wherein, for the clear relation that shows between internal structure, a described sheet glass seal construction 100 that only shows in the first embodiment top view of Figure 1B is described second glass substrates 20 of having got rid of the top, and described insulation layer 30 and described metallic seal frame 40 still indicate in the mode of section line.Sheet glass seal construction 100 of the present utility model mainly is the sheet glass seal construction that comprises two sheet glass substrates (the first glass substrate 10 and the second glass substrate 20), described sheet glass seal construction 100 can be an organic light emitting diode (Organic Light-Emitting Diode, OLED) planar light source, OLED indicating meter, liquid-crystal display (Liquid Crystal Display, LCD) or other need between two sheet glass substrates, form the structure of sealed state, the utility model is not specially limited.
Shown in Figure 1A and Figure 1B, the described sheet glass seal construction 100 of the utility model the first embodiment sequentially comprises from bottom to top: one first glass substrate 10, an insulation layer 30, a metallic seal frame 40 and one second glass substrate 20.Described the first glass substrate 10 for example is a square glass substrate; Described insulation layer 30 is a shaped as frame, around the periphery of being located at described the first glass substrate 10 (as shown in Figure 1B); Described metallic seal frame 40 corresponding described insulation layers 30 are a shaped as frame, are located at described insulation layer 20 tops; Reach described the second glass substrate 20 and be located at described metallic seal frame 40 tops, its size and shape are corresponding to described the first glass substrate 10.
Shown in Figure 1A, described the first glass substrate 10 and described the second glass substrate 20 keep a fixed spacing by described insulation layer 30 and described metallic seal frame 40, and make its inner sealed state that forms.Because the upper surface of described the first glass substrate 10 can be according to the difference of equipment, may have some circuit layers (not illustrating) need to be set, therefore described insulation layer 30 insulation layer of an inorganic insulating material preferably, for example described inorganic insulating material is selected from silicon (Si) or silicon-dioxide (SiO
2), it can play isolated described metallic seal frame 40 and contact with described the first the direct of glass substrate 10, is electrically connected between the two avoiding.In addition, shown in Figure 1B, the periphery of described the first glass substrate 10 of described insulation layer 30 preferred distance has a distance, for example 5 millimeters (mm), but the utility model does not limit this distance, among another possible embodiment of the utility model, the coincident with described the first glass substrate 10 also can be arranged in the edge of described insulation layer 30 again; In addition, described metallic seal frame 40 is located at described insulation layer 20 tops, and preferably its width can directly not contact with described the first glass substrate 10 further to guarantee described metallic seal frame 40 less than the width of described insulation layer 30.
Moreover, in order between two sheet glass, to use the metal solder mode to add the described metallic seal frame 40 of thermosetting, its welding temperature can not too high (the welding region temperature can not be higher than 900 ℃), and thermal expansivity and the glass of welding metal commonly used are also variant, can cause the problem of stress.Therefore, in the utility model, the material melting point of described metallic seal frame 40 preferably is lower than the fusing point of described the first glass substrate 10 and described the second glass substrate 20; And the material thermal expansion coefficient of described metallic seal frame 40 preferably approaches or equals the thermal expansivity of described the first glass substrate 10 and described the second glass substrate 20.By the demand, the material of described metallic seal frame 40 of the present utility model can be selected from tin (Sn), tin alloy, indium (In) or indium alloy.
In sum, because metallic seal frame 40 can make the fabulous sealed state of formation between described the first glass substrate 10 and described the second glass substrate 20, therefore the utility model is except applicable to the seal construction of two flat glass substrates to group, and be particularly suitable for the OLED planar light source of steam, oxygen sensitive or the technical field of indicating meter, the sealing effectiveness of described sheet glass seal construction be can guarantee, thereby performance and the quality of device improved.
Referring again to Fig. 2 A-2F, Fig. 2 A-2F is each step schematic diagram of the manufacture method of the utility model sheet glass seal construction.
At first, shown in Fig. 2 A, provide one first glass substrate 10.
Then, shown in Fig. 2 B, the insulation layer 30 of a shaped as frame is set in the periphery with described the first glass substrate 10 upper surfaces.Described insulation layer 30 is the insulation layer of an inorganic insulating material (for example silicon or silicon-dioxide) preferably, and the utility model is not specially limited the method that described insulation layer 30 is set.
Follow again, shown in Fig. 2 C, provide one second glass substrate 20.
And, shown in Fig. 2 D, apply the metal welding bed of material 40a of a shaped as frame in the periphery of described the second glass substrate 20 lower surfaces, make described metal welding bed of material 40a coating area corresponding to the setting area of described insulation layer 30.Described metal welding bed of material 40a has certain thickness, and the method that applies described metal welding bed of material 40a for example is with the brazing metal grind into powder, adopt the mode of powder metallurgy, brazing metal sinter of setting width, setting height of premolding on packaged glass; Or with the brazing metal grind into powder, the organic solvent of adding certain viscosity (such as, alcohols), be modulated into the paste with certain viscosity, this paste is coated on the packaged glass, adds and remove organic solvent, form the brazing metal film of certain width, certain altitude.
Follow again, shown in Fig. 2 E, with described the second glass substrate 20 lower surfaces and the corresponding applying of described the first glass substrate 10 upper surfaces, described metal welding bed of material 40a is pressed on the described insulation layer 30.In addition, if based on the needs on the production process, it is to carry out under a vacuum environment that described step with 10,20 pairs of groups of described first and second glass substrate can be selected, and can make like this state of the inside formation vacuum of described sheet glass seal construction 100.
At last, shown in Fig. 2 F, the described metal welding bed of material of heat fused 40a, make it form a metallic seal frame 40 with described second glass substrate 20 of top and described the first glass substrate 10 welding of below respectively, the welding of wherein said metal welding bed of material 40a and described the first glass substrate 10 is indirectly to weld by described insulation layer 30, therefore described metal welding bed of material 40a not can with described the first glass substrate 10 on circuit layer be electrically connected.In addition, the utility model does not limit the method for the described metal welding bed of material 40a of heating, for example can select laser (Laser) or other metal solder method.Shown in Fig. 2 F, laser can be injected by the top of described the second glass substrate 20 and focus on the described metal welding bed of material 40a, and moves described metal welding bed of material 40a to be carried out the continuous welding heating along shaped as frame.After the welding, described metallic seal frame 40 can make described the first glass substrate 10 and described the second glass substrate 20 keep a fixed spacing, and makes seal cavity of its inner formation.
In sum, because metallic seal frame 40 can make the fabulous sealed state of formation between described the first glass substrate 10 and described the second glass substrate 20, guaranteeing the sealing effectiveness of described sheet glass seal construction, thus performance and the quality of raising device.
Please refer to shown in Figure 3ly, Fig. 3 is the sectional view of the utility model sheet glass seal construction the second embodiment.The sheet glass seal construction 100a of the utility model the second embodiment is OLED planar light source structure, its sheet glass seal construction 100 to the utility model the first embodiment is roughly similar, therefore continue to use identical element title, but the difference of the two is: in the present embodiment, the first glass substrate 10a is an active glass substrate (Active glass); Reaching the second glass substrate 20a is a packaged glass substrate (Encapsulation), also is provided with at least one OLED element 11a on wherein said the first glass substrate 10a, and described OLED element 11a comprises a plurality of electrodes and organic layer (not illustrating).In general, if the oxygen of containing and moisture are arranged in the Working environment, easily make described OLED element 11a impaired.Therefore, in the present embodiment, by with the material of the metal welding bed of material as metallic seal frame 40, vacuum and the sealed state of the sheet glass seal construction 100a inside of described OLED planar light source be can guarantee, thereby performance and the quality of device improved.
Please refer to shown in Figure 4ly, Fig. 4 is the sectional view of the utility model sheet glass seal construction the 3rd embodiment.The sheet glass seal construction 100b of the utility model the 3rd embodiment is an OLED display architectures, its sheet glass seal construction 100 to the utility model the first embodiment is roughly similar, therefore continue to use identical element title, but the difference of the two is: in the present embodiment, the first glass substrate 10b is an active glass substrate (Active glass); Reaching the second glass substrate 20b is a packaged glass substrate (Encapsulation), also is provided with a plurality of OLED element 11b on wherein said the first glass substrate 10b, and described OLED element 11b comprises a plurality of electrodes and organic layer (not illustrating).Therefore, in the present embodiment, by with the material of the metal welding bed of material as metallic seal frame 40, vacuum and the sealed state of the sheet glass seal construction 100a inside of described OLED planar light source be can guarantee, thereby performance and the quality of device improved.
Please refer to shown in Figure 5ly, Fig. 5 is the sectional view of the utility model sheet glass seal construction the 4th embodiment.The sheet glass seal construction 100c of the utility model the 4th embodiment is LCD display structure, its sheet glass seal construction 100 to the utility model the first embodiment is roughly similar, therefore continue to use identical element title, but the difference of the two is: in the present embodiment, the first glass substrate 10c is an array glass substrate (TFT glass); Reaching the second glass substrate 20c is a colored filter glass substrate (CF glass), and the upper surface of wherein said the first glass substrate 10c is provided with TFT circuit layer 11c; The lower surface of described the second glass substrate 20c is provided with chromatic filter layer 21c, can inject liquid crystal 50 in the inside of the sheet glass seal construction 100a of described LCD display before or after metallic seal frame 40 welds.In addition, because liquid crystal 50 can't self-luminescence, the below of therefore described LCD flat panel glass capsulation structure 100c arranges a backlight 60 in addition.In the present embodiment, by with the material of the metal welding bed of material as metallic seal frame 40, can guarantee the sealing effectiveness of the sheet glass seal construction 100c of described LCD display, thereby improve its display performance and quality.
In sum, compared to existing UV-light (UV) curing technology, because UV glue is organic materials, molecular gap was larger after it solidified, and steam is easier to see through medium with the oxygen ratio and arrives at the seal inside zone, thereby affects performance and the quality of device.The utility model sheet glass seal construction 100 passes through with the material of metal welding bed of material 40a as metallic seal frame 40, except applicable to two sheet glass 10, the seal construction of 20 pairs of groups, such as OLED planar light source, OLED indicating meter or LCD display, wherein be particularly suitable for the sheet glass sealing assembling to OLED planar light source or the indicating meter of steam, oxygen sensitive.
The utility model is described by above-mentioned related embodiment, yet above-described embodiment is only for implementing example of the present utility model.Must be pointed out that, published embodiment does not limit scope of the present utility model.On the contrary, being contained in the spirit of claims and modification and impartial setting of scope is included in the scope of the present utility model.
Claims (10)
1. sheet glass seal construction, it is characterized in that: described sheet glass seal construction comprises:
One first glass substrate;
One insulation layer is a shaped as frame, around the periphery of being located at described the first glass substrate upper surface;
One metallic seal frame is a shaped as frame, and correspondence is located at the top of described insulation layer; And
One second glass substrate is located at the top of described metallic seal frame, and corresponding described the first glass substrate;
Wherein, described the first glass substrate and described the second glass substrate keep a fixed spacing by described insulation layer and described metallic seal frame, and make its inner sealed state that forms.
2. sheet glass seal construction as claimed in claim 1, it is characterized in that: described insulation layer is the insulation layer of an inorganic insulating material.
3. sheet glass seal construction as claimed in claim 2, it is characterized in that: described inorganic insulating material is selected from silicon or silicon-dioxide.
4. sheet glass seal construction as claimed in claim 1, it is characterized in that: the material melting point of described metallic seal frame is lower than the fusing point of described first and second glass substrate.
5. sheet glass seal construction as claimed in claim 4 is characterized in that: the material thermal expansion coefficient of described metallic seal frame equal described first and second glass substrate thermal expansivity.
6. sheet glass seal construction as claimed in claim 5, it is characterized in that: the material of described metallic seal frame is selected from tin, tin alloy, indium or indium alloy.
7. sheet glass seal construction as claimed in claim 1, it is characterized in that: the width of described metallic seal frame is less than the width of described insulation layer.
8. sheet glass seal construction as claimed in claim 1, it is characterized in that: described sheet glass seal construction is the glass substrate configuration of an organic light emitting diode planar light source; Described the first glass substrate is an active glass substrate; And described the second glass substrate is a packaged glass substrate.
9. sheet glass seal construction as claimed in claim 1, it is characterized in that: described sheet glass seal construction is the glass substrate configuration of an organic luminuous dipolar object display; Described the first glass substrate is an active glass substrate; And described the second glass substrate is a packaged glass substrate.
10. sheet glass seal construction as claimed in claim 1, it is characterized in that: described sheet glass seal construction is the glass substrate configuration of a liquid-crystal display; Described the first glass substrate is an array glass substrate; And described the second glass substrate is a colored filter glass substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320222111 CN203200175U (en) | 2013-04-27 | 2013-04-27 | Plate glass sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320222111 CN203200175U (en) | 2013-04-27 | 2013-04-27 | Plate glass sealing structure |
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| Publication Number | Publication Date |
|---|---|
| CN203200175U true CN203200175U (en) | 2013-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320222111 Expired - Lifetime CN203200175U (en) | 2013-04-27 | 2013-04-27 | Plate glass sealing structure |
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| CN (1) | CN203200175U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103274610A (en) * | 2013-04-27 | 2013-09-04 | 深圳市华星光电技术有限公司 | Sheet glass seal structure and manufacturing method |
| CN103560209A (en) * | 2013-10-12 | 2014-02-05 | 深圳市华星光电技术有限公司 | Organic light-emitting diode device and manufacturing method thereof |
| CN106935724A (en) * | 2015-12-29 | 2017-07-07 | 昆山国显光电有限公司 | The encapsulating structure and method for packing of OLED display panel |
| US10647091B2 (en) | 2013-04-27 | 2020-05-12 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Planar glass sealing structure and manufacturing method thereof |
-
2013
- 2013-04-27 CN CN 201320222111 patent/CN203200175U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103274610A (en) * | 2013-04-27 | 2013-09-04 | 深圳市华星光电技术有限公司 | Sheet glass seal structure and manufacturing method |
| CN103274610B (en) * | 2013-04-27 | 2016-03-30 | 深圳市华星光电技术有限公司 | Sheet glass seal construction and manufacture method thereof |
| US10647091B2 (en) | 2013-04-27 | 2020-05-12 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Planar glass sealing structure and manufacturing method thereof |
| CN103560209A (en) * | 2013-10-12 | 2014-02-05 | 深圳市华星光电技术有限公司 | Organic light-emitting diode device and manufacturing method thereof |
| WO2015058476A1 (en) * | 2013-10-12 | 2015-04-30 | 深圳市华星光电技术有限公司 | Organic light emitting diode device and preparation method therefor |
| CN106935724A (en) * | 2015-12-29 | 2017-07-07 | 昆山国显光电有限公司 | The encapsulating structure and method for packing of OLED display panel |
| CN106935724B (en) * | 2015-12-29 | 2018-12-07 | 昆山国显光电有限公司 | The encapsulating structure and packaging method of OLED display panel |
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| GR01 | Patent grant | ||
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Granted publication date: 20130918 |