CN2535884Y - Packaging device of organic electroluminescence display element - Google Patents
Packaging device of organic electroluminescence display element Download PDFInfo
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- CN2535884Y CN2535884Y CN 02204047 CN02204047U CN2535884Y CN 2535884 Y CN2535884 Y CN 2535884Y CN 02204047 CN02204047 CN 02204047 CN 02204047 U CN02204047 U CN 02204047U CN 2535884 Y CN2535884 Y CN 2535884Y
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- colloid
- cover plate
- display element
- organic electro
- luminescent display
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Abstract
A packing device for packing components of an organic electroluminescence display, at least comprising a panel feeding system which is used for supplying a panel which is equipped with components of the organic electroluminescence display, a colloid coating system which is used for coating a certain amount of colloid between a cover board and a base board, a flat feeding system which is used to provide a fringe area with at least one cover board of a canal, a contraposition stitching system which is used for the contraposition stitching of the cover board and the base board, and a solidifying system which is used for solidifying the colloid. The utility model utilizing a certain amount of ultraviolet solidifying colloid or thermal solidifying colloid coated on the cover board and the base board, and together with the cover board with a canal on the edge, thereby a completely sealing effect can be achieved.
Description
Technical field
The utility model relates to a kind of organic electro-luminescent display element can be by quantitatively coating ultraviolet sclerotic type glue or heating stiffening type glue on cover plate or substrate, and has the packaging system that causes the organic electro-luminescent display element of its comprehensive gluing effect on the cover plate of irrigation canals and ditches by the edge.
Background technology
The method for packing of traditional organic electro-luminescent display element; mainly under inert gas (nitrogen or argon gas) environment; with syringe coating ultraviolet sclerotic type glue around element to form frame glue; and, not corroded by aqueous vapor with protecting component inside by ultraviolet sclerotic type glue stickup cover plate and substrate.Yet,, can't block the external environment aqueous vapor fully and penetrate into, so that component life can't reach the demand of commodity because frame glue is macromolecular material.At this shortcoming, many companies and researcher are devoted to the improvement of three directions such as membrane structure, material, packaging technology in the development of organic electro-luminescent display element.And focus at element internal in the research direction of packaging technology and to insert hygroscopic agent or on component structure, to plate one or more layers diaphragm.
Insert the hygroscopic agent aspect in element internal, Idemitsu Kosan proposes a kind of method for packing patent (No. the 5962962nd, United States Patent (USP)) in nineteen ninety-five, in the process of encapsulation, inertia, the grease that dewaters is poured into element internal, and sneak into hygroscopic agent in grease.Pioneer company then proposed another kind of method for packing patent (No. the 5882761st, United States Patent (USP)) in 1996, in the process of encapsulation, use has the metal cover board of groove, and at cover plate groove stickup hygroscopic agent, the aqueous vapor that enters element internal by the hygroscopic agent adsorption and permeation is to promote the life-span of element.And on component structure, plate a purpose to several layers of diaphragm, penetrate into element internal in order to the aqueous vapor that blocks external environment fully.In this regard; the diaphragm coating of organic material and inorganic material was all once inquired into; for example motorola inc proposes a kind of protective seam patent (No. the 5811177th, United States Patent (USP)) in nineteen ninety-five, plates inert metal, inorganic protective film and resin capping on component structure.
Please be simultaneously with reference to Fig. 1 and Fig. 2, it proposed a kind of method for packing (No. the 87117618th, Taiwan patent) for Chinese light science and technology in 1998, mode with screen printing is coated ultraviolet sclerotic type glue 106 on the cover plate 104, to have the substrate 100 and cover plate 104 contrapositions of organic electro-luminescent display element 102 then, and pressurize at last, heat to finish the encapsulation of organic electro-luminescent display element 102.
Above-mentioned mode with screen printing is coated mode on the cover plate with ultraviolet sclerotic type glue owing to must change web plate after the screen printing in good time, and the step that web plate is cleaned, so can't be under inert gas environment full-automatic volume production.
In addition, when coating ultraviolet sclerotic type glue on the cover plate in the mode of screen printing, angle with microcosmic, irregular phenomenon can appear in the surface of ultraviolet sclerotic type glue, therefore when cover plate and substrate pressing, have bubble (bubbles) near the ultraviolet sclerotic type glue of organic electro-luminescent display element surface and occur, and be known in the size that is not easy to control ultraviolet sclerotic type glue in the process of pressing.
The utility model content
The purpose of this utility model proposes a kind of packaging system of organic electro-luminescent display element, this device can be by quantitatively being coated with ultraviolet sclerotic type glue or heating stiffening type glue on cover plate or substrate, and have an effect that causes its comprehensive gluing on the cover plate of irrigation canals and ditches by the edge, to promote size and the effective width of following property and ultraviolet sclerotic type glue or heating stiffening type glue between ultraviolet sclerotic type glue or heating stiffening type glue and substrate, the cover plate.
In addition, another purpose of the present utility model is for proposing a kind of packaging system of organic electro-luminescent display element, it can be by quantitatively be coated with the comprehensive coating of ultraviolet sclerotic type glue or heating stiffening type glue on cover plate or substrate, so the utility model can be in automatic mass under the inert gas environment.
For reaching the utility model above-mentioned purpose, a kind of organic electro-luminescent display component package device is proposed, this device comprises at least: a panel feed system, this panel feed system is in order to provide a panel that disposes an organic electro-luminescent display element; The colloid coating system quantitatively is coated with colloid between this cover plate and this substrate; One cover plate feed system, this cover plate feed system has the cover plate of at least one irrigation canals and ditches in order to zone, an edge to be provided; One contraposition pressing system, this contraposition pressing system is in order to carry out the contraposition pressing with this cover plate and this substrate; And a cure system, this cure system makes this colloid solidify.
Description of drawings
Fig. 1 to Fig. 2 is the schematic flow sheet of the method for packing of known organic electro-luminescent display element;
Fig. 3 to Fig. 5 utilizes the utility model first embodiment that colloid is coated encapsulation schematic flow sheet on the organic electro-luminescent display element;
Fig. 6 A to Fig. 6 F is the pictorial diagram according to the utility model first embodiment and the second embodiment middle-ultraviolet lamp constrictive type glue or heating stiffening type glue coating;
Fig. 7 A to Fig. 7 C is the synoptic diagram according to irrigation canals and ditches on the utility model first embodiment and the second embodiment cover plate;
Fig. 8 to Figure 10 utilizes the utility model second embodiment that colloid is coated encapsulation schematic flow sheet on the cover plate;
Figure 11 is the packaging system block scheme of organic electro-luminescent display element of the present utility model.
100: substrate
102: the organic electro-luminescent display element
104: cover plate
106: ultraviolet sclerotic type glue
200: substrate
202: the organic electro-luminescent display element
204: cover plate
206: irrigation canals and ditches
208: colloid
302: the panel feed system
304: the colloid coating system
306: the cover plate feed system
308: contraposition pressing system
310: cure system
Embodiment
Please refer to Figure 11, organic electro-luminescent display component package device of the present utility model comprises at least: a panel feed system 302, and this panel feed system 302 is in order to provide a panel that disposes an organic electro-luminescent display element; Colloid coating system 304 quantitatively is coated with colloid between this cover plate and this substrate; One cover plate feed system 306, this cover plate feed system 306 has the cover plate of at least one irrigation canals and ditches in order to zone, an edge to be provided; One contraposition pressing system 308, this contraposition pressing system 308 is in order to carry out the contraposition pressing with this cover plate and this substrate; And a cure system 310, this cure system 310 makes this colloid solidify.
First embodiment
At first please provide a substrate 200 with a panel feed system simultaneously with reference to Fig. 3 and Fig. 6 A to Fig. 6 F, substrate 200 is transparent glass substrate for example, and disposes an organic electro-luminescent display element 202 on substrate 200.Then colloid 208 is coated on the organic electro-luminescent display element 202 with the colloid coating system, the mode of colloid 208 coating is for example extruded quantitative colloid 208 on organic electro-luminescent display element 202 with syringe, and the figure of the colloid that is coated with for example is point-like, circle, rectangle, parallel (being painted as Fig. 6 A to Fig. 6 F) such as straight line, cross linear or tree-shaped figures.Wherein, the quantitative operation mechanism of syringe is for example adjusted mode or screw rod propulsion mode for air pressure.And the material of colloid 208 for example is ultraviolet sclerotic type glue or heating stiffening type glue.Because colloid 208 is to extrude quantitative colloid 208 by one in the colloid coating system or a plurality of syringe to coat on organic electro-luminescent display element 202 surfaces, therefore except the amount of colloid 208 can be controlled accurately, colloid 208 on the organic electro-luminescent display element 202 does not have bubble yet and produces, and influences the reliability after 202 encapsulation of organic electro-luminescent display element.
Then please provide a cover plate 204 with the cover plate feed system simultaneously with reference to Fig. 4 and Fig. 7 A to Fig. 7 C, the material of cover plate 204 for example is a glass, and has irrigation canals and ditches 206 on the marginal portion of cover plate 204 and overflow after colloid 208 pressings in order to preventing.Wherein, the width of irrigation canals and ditches 206 for example is 0.05mm to 1.5mm on the cover plate 204, and the degree of depth for example is 0.01mm to 1.7mm, and the generation type of irrigation canals and ditches 206 for example with sandblast, modes such as the boring of turning, ultrasonic and chemical etching process.In addition, the arrangement kenel of irrigation canals and ditches 206 is for example formed (being painted with Fig. 7 C as 7B figure) by continuous frame shape irrigation canals and ditches (painting as Fig. 7 A) or by a plurality of interrupted straight line irrigation canals and ditches on the cover plate 204.In contraposition pressing system, contraposition is carried out with substrate 200 in cover plate 204 upset backs afterwards, the mode of its contraposition for example is mechanical contraposition or the contraposition of optics charge coupled cell.
Please refer to Fig. 5 at last, after cover plate 204 and substrate 200 carry out contraposition, bringing pressure to bear on the cover plate 204 slowly, make that the colloid 208 of organic electro-luminescent display element 202 tops is stressed mobile laterally gradually, and the scope that colloid 208 moves laterally only limits to the zone within the irrigation canals and ditches 206, the colloid 208 that exceeds irrigation canals and ditches 206 will flow in the irrigation canals and ditches 206, and meaning i.e. colloid 208 comprehensive being distributed on the organic electro-luminescent display element 202 in the zone in irrigation canals and ditches 206.Therefore, irrigation canals and ditches 206 not only can effectively be controlled the size after colloid 208 encapsulation and not have the puzzlement of the glue that overflows, and it is wide to extraneous glue more can effectively to increase component structure, to reduce the speed that encapsulation back element is permeated by water.
Please refer to Fig. 5 equally, when cover plate 204 and substrate 200 carry out pressing or after carrying out pressing, with the colloid cure system with ultraviolet sclerotic type glue or heating stiffening type glue solidifies.Wherein, if colloid 208 then carries out a ultraviolet step of shining so that it hardens for ultraviolet sclerotic type glue, if colloid 208 then carries out a slow step that heats so that its sclerosis for heating stiffening type glue.
Second embodiment
Please refer to Fig. 8 to Figure 10, it is to utilize the utility model second embodiment that colloid is coated encapsulation schematic flow sheet on the cover plate.At first please refer to Fig. 8, provide a substrate 200 with a panel feed system, substrate 200 is transparent glass substrate for example, and disposes an organic electro-luminescent display element 202 on substrate 200.
Then please refer to the 9th figure, provide a cover plate 204 with the cover plate feed system, the material of cover plate 204 for example is a glass, and has irrigation canals and ditches 206 on the marginal portion of cover plate 204 and overflow after colloid 208 pressings in order to preventing.Wherein, the width of irrigation canals and ditches 206 for example is 0.05mm to 1.5mm on the cover plate 204, and the degree of depth for example is 0.01mm to 1.7mm, and the generation type of irrigation canals and ditches 206 for example with sandblast, modes such as the boring of turning, ultrasonic and chemical etching process.In addition, the arrangement kenel of irrigation canals and ditches 206 is for example formed (being illustrated with Fig. 7 C as 7B figure) by continuous frame shape irrigation canals and ditches (illustrating as Fig. 7 A) or by a plurality of interrupted straight line irrigation canals and ditches on the cover plate 204.In contraposition pressing system, contraposition is carried out with substrate 200 in cover plate 204 upset backs afterwards, the mode of its contraposition for example is mechanical contraposition or the contraposition of optics charge coupled cell.
Then colloid 208 is coated on the cover plate 204 with the colloid coating system, the mode of colloid 208 coating is for example extruded quantitative colloid 208 in last with syringe, and the figure of the colloid that is coated with for example is point-like, circle, rectangle, parallel (being painted as Fig. 6 A to Fig. 6 F) such as straight line, cross linear or tree-shaped figures.Wherein, the quantitative operation mechanism of syringe is for example adjusted mode or screw rod propulsion mode for air pressure.And the material of colloid 208 for example is ultraviolet sclerotic type glue or heating stiffening type glue.Because colloid 208 is to extrude quantitative colloid 208 by one in the colloid coating system or a plurality of syringe to coat on the cover plate 204, therefore except the amount of colloid 208 can be controlled accurately, colloid 208 on the cover plate 204 does not have bubble yet and produces, and influences the reliability after the whole component package.
Please refer to Figure 10 at last, when cover plate 204 and substrate 200 carry out pressing or after carrying out pressing, with the colloid cure system with ultraviolet sclerotic type glue or heating stiffening type glue solidifies.Wherein, if colloid 208 then carries out a ultraviolet step of shining so that it hardens for ultraviolet sclerotic type glue, if colloid 208 then carries out a slow step that heats so that its sclerosis for heating stiffening type glue.
In sum, the method for packing of organic electroluminescence display element of the present utility model has following advantages at least:
1. comprehensive in the packaging system of organic electroluminescence display element of the present utility model Coating ultraviolet sclerotic type glue or heating stiffening type glue can be promoted between colloid and substrate, cover plate Then ability, it is wide to extraneous glue also can to increase component structure simultaneously, reduces the water permeability, Promote the life-span of element.
In the organic electroluminescence display element volume packaging system of the present utility model with syringe Ultraviolet sclerotic type glue or heating stiffening type glue are coated organic electroluminescence display element On, can avoid the generation of colloid and organic electroluminescence display element near interface bubble.
3. use pin in the packaging system of organic electroluminescence display element of the present utility model Tube carries out the coating of ultraviolet sclerotic type glue or heating stiffening type glue, does not have known screen printing Technology need be cleaned and problem that can't be under inert gas environment.
4. the packaging system of organic electro-luminescent display element of the present utility model can directly apply to existing encapsulation work, and must not increase the sealed in unit annex.
Claims (5)
1, a kind of packaging system of organic electro-luminescent display element is characterized in that, this device comprises at least:
One panel feed system, this panel feed system provide a panel that disposes an organic electro-luminescent display element;
The colloid coating system quantitatively is coated with colloid between this cover plate and this substrate;
One cover plate feed system, this cover plate feed system provide zone, an edge to have the cover plate of at least one irrigation canals and ditches;
One contraposition pressing system, this contraposition pressing system carries out the contraposition pressing with this cover plate and this substrate; And
One cure system, this cure system make this colloid solidify.
2, the packaging system of organic electro-luminescent display element as claimed in claim 1 is characterized in that, this colloid coating system is coated colloid on this panel.
3, the packaging system of organic electro-luminescent display element as claimed in claim 1 is characterized in that, this colloid coating system is coated colloid on this cover plate.
4, the packaging system of organic electro-luminescent display element as claimed in claim 1 is characterized in that, this colloid comprises a ultraviolet sclerotic type glue.
5, the packaging system of organic electro-luminescent display element as claimed in claim 1 is characterized in that, this colloid comprises a heating stiffening type glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02204047 CN2535884Y (en) | 2002-02-01 | 2002-02-01 | Packaging device of organic electroluminescence display element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02204047 CN2535884Y (en) | 2002-02-01 | 2002-02-01 | Packaging device of organic electroluminescence display element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2535884Y true CN2535884Y (en) | 2003-02-12 |
Family
ID=33686069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02204047 Expired - Lifetime CN2535884Y (en) | 2002-02-01 | 2002-02-01 | Packaging device of organic electroluminescence display element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2535884Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103531725A (en) * | 2013-10-16 | 2014-01-22 | 上海和辉光电有限公司 | Electroluminescent component and packaging method thereof |
| CN104393187A (en) * | 2014-11-17 | 2015-03-04 | 合肥鑫晟光电科技有限公司 | Package substrate and preparation method thereof and OLED (Organic Light Emitting Diode) display device |
-
2002
- 2002-02-01 CN CN 02204047 patent/CN2535884Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103531725A (en) * | 2013-10-16 | 2014-01-22 | 上海和辉光电有限公司 | Electroluminescent component and packaging method thereof |
| CN104393187A (en) * | 2014-11-17 | 2015-03-04 | 合肥鑫晟光电科技有限公司 | Package substrate and preparation method thereof and OLED (Organic Light Emitting Diode) display device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20120201 Granted publication date: 20030212 |