CN201893383U - Organic light-emitting diode, light-emitting module and mobile communication equipment - Google Patents
Organic light-emitting diode, light-emitting module and mobile communication equipment Download PDFInfo
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- CN201893383U CN201893383U CN2010205354226U CN201020535422U CN201893383U CN 201893383 U CN201893383 U CN 201893383U CN 2010205354226 U CN2010205354226 U CN 2010205354226U CN 201020535422 U CN201020535422 U CN 201020535422U CN 201893383 U CN201893383 U CN 201893383U
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- Prior art keywords
- supporter
- substrate
- organic electroluminescence
- electroluminescence device
- cap
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 238000010295 mobile communication Methods 0.000 title claims description 6
- 239000000758 substrate Substances 0.000 claims abstract description 36
- 230000004888 barrier function Effects 0.000 claims abstract description 17
- 238000004806 packaging method and process Methods 0.000 claims abstract description 16
- 238000005401 electroluminescence Methods 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 12
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 8
- 239000004033 plastic Substances 0.000 claims description 7
- 239000000853 adhesive Substances 0.000 abstract description 3
- 230000001070 adhesive effect Effects 0.000 abstract description 3
- 230000001681 protective effect Effects 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 2
- 229910052760 oxygen Inorganic materials 0.000 abstract description 2
- 239000001301 oxygen Substances 0.000 abstract description 2
- 238000001125 extrusion Methods 0.000 abstract 1
- 238000006748 scratching Methods 0.000 abstract 1
- 230000002393 scratching effect Effects 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 28
- 238000002360 preparation method Methods 0.000 description 13
- 238000005538 encapsulation Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- MRNHPUHPBOKKQT-UHFFFAOYSA-N indium;tin;hydrate Chemical compound O.[In].[Sn] MRNHPUHPBOKKQT-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000012044 organic layer Substances 0.000 description 2
- 239000011368 organic material Substances 0.000 description 2
- 229920002120 photoresistant polymer Polymers 0.000 description 2
- 108700028490 CAP protocol 2 Proteins 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 239000010405 anode material Substances 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
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- Electroluminescent Light Sources (AREA)
Abstract
The utility model discloses an organic light-emitting diode, a display and an application of the display. The organic light-emitting diode comprises a substrate, a display area and a packaging cover, wherein the display area is arranged on the substrate; a packaging cover seat body and the substrate are adhered by packaging adhesive; and a support body for supporting the packaging cover is also arranged between the packaging cover seat body and the substrate. In the utility model, the support body is arranged outside the display area, so that leads on the substrate are protected from extrusion or scratching by the packaging cover when the substrate and the packaging cover are packaged; meanwhile, the support body can prevent the packaging adhesive used for the packaging from flowing into the display area, so as to avoid the display area being damaged. A packaged OLED (organic light-emitting diode) screen body and the support body are used as protective barriers to baffle water and oxygen.
Description
Technical field
The utility model includes organic electroluminescence devices, is meant that specifically a kind of screen body structure of organic electroluminescence device improves.
Background technology
The organic electroluminescent principle is meant and adopts organic material as luminescent layer, is provided with cathode layer and anode layer in the luminescent layer both sides, electric current on two interpolars are logical, and when electric current passed through luminescent layer, the organic material of luminescent layer will be luminous.People develop organic electroluminescence device (Organic Light Emitting Diode is hereinafter to be referred as OLED) according to this principle.OLED shows that with respect to traditional liquid crystal display body is thin, advantages such as preparation technology is simple, luminescent material solidifies entirely, device flexibility have caused people's extensive concern but have, and increasing OLED is applied to showing and lighting field.
Existing OLED device architecture is except that comprising anode layer, luminescent layer, cathode layer, also comprise insulating barrier and the insulated column that is positioned on the insulating barrier, insulating barrier and insulated column play buffer action, luminescent layer is divided into one by one little luminous point, luminous point is neatly arranged and is formed the luminous dot matrix of plural number row several column, and luminous point is combined to form display pattern.Fig. 1 is existing OLED screen body structure schematic diagram, and wherein 1 is substrate, comprises on the substrate: the viewing area A that the luminous point array is formed, negative electrode follow direction and arrange, and anode is arranged along column direction; Both sides go between regional B1 and B2, corresponding respectively odd-numbered line negative electrode and the even number line negative electrode that connects the viewing area; The downside lead-in wire region D that is connected with the anode of viewing area; Go between regional B1 and B2, downside lead-in wire region D of both sides all is aggregated into IC (integrated circuit) zone C.
Fig. 2 is a cap 2, and the E zone in the middle of the cap is a grooved area, is used to provide each layer accommodated on the substrate space cap 2 settings and is fixed on substrate by packaging plastic or other encapsulating materials.Substrate and cap combination are as Fig. 3, and wherein viewing area A is contained in the grooved area E.
Observed as Fig. 4 towards the screen body by direction shown in the arrow, wherein trace layer 11 comprises B1, B2 lead-in wire and viewing area anode, and luminescent layer and cathode layer represent that with 12 insulating barrier and insulated column are not shown jointly.During the tight pressing of cap and substrate, cap pedestal 21 is stressed in the lead-in wire of B1, B2, this pressure causes the lead-in wire of B1, B2 scratch to occur, rub and hinder phenomenon, the lead-in wire of adjacent row or column is merged together under extruding and forms the company of going, row connect, make corresponding multiple lines and multiple rows signal cross-talk, the screen body can't driven.
The utility model content
The purpose of this utility model is to overcome above-mentioned defective, and a kind of organic electroluminescence device is provided, illuminating module and mobile communication equipment.
Above-mentioned purpose of the present utility model is achieved by following technical solution:
The utility model proposes a kind of organic electroluminescence device, comprise,
Substrate is positioned at the viewing area on the substrate,
Cap comprises the cap pedestal, and described cap pedestal and described substrate are bonding by packaging plastic,
It is characterized in that having on the described substrate and prevent that the viewing area is subjected to cap compressing and the supporter of infringement.
Wherein, described supporter comprises supporting seat and support column, and described support column is arranged on the described supporting seat, and described supporting seat bottom is fixed on the described substrate the described cap of described support column top braces.
Wherein, described viewing area comprises insulating barrier and insulated column layer, and described supporting seat is identical with described insulating layer material, and described support column is identical with described insulated column layer material.
Wherein, the altitude range of described supporting seat is 1.8-3.5um, and the altitude range of described support column is 3.2-4.0um.
Wherein, described supporter comprises in first supporter, second supporter and the supported on both sides body 2 at least.
Wherein, the height of described at least 2 supporters is identical.
Wherein, described second supporter is divided at least two sections, and one section or several sections is superimposed upon on the part side lead-in wire, and other one section or several sections is superimposed upon on the part downside lead-in wire.
Wherein, described first supporter, described second supporter, described side supporter connect as one.
The utility model also proposes a kind of method for preparing described organic electroluminescence device, comprising:
The preparation anode layer;
Utilize first mask plate to prepare insulating barrier and supporting seat, have the supporting seat graphics field that is used to prepare supporting seat and the insulating barrier graphics field of preparation insulating barrier on described first mask plate, described supporting seat graphics field is positioned at the outside, viewing area;
Utilize second mask plate to prepare insulated column and support column, have the support column graphics field that is used to prepare support column and the insulated column graphics field of preparation insulated column on described second mask plate, described supporting seat graphics field is positioned at the outside, viewing area;
The preparation luminescent layer;
The preparation cathode layer;
The cap encapsulation.
The utility model also provides a kind of display of organic electroluminescence, comprises FPC, and power interface also comprises above-mentioned organic electroluminescence device.
The utility model also provides a kind of mobile communication equipment, comprises communicator and display unit, and described display unit is above-mentioned display of organic electroluminescence.
The utility model is by being provided with supporter outside the viewing area, this supporter can prevent that the organic layer of viewing area from exempting from the cap compressing of distortion and damage.And the lead-in wire on can protective substrate prevents packed lid extruding or scratch when substrate and cap encapsulation.Supporter can prevent that also the adhesive glue that encapsulates use from flowing into the viewing area, avoids the viewing area to damage simultaneously.The OLED screen body that encapsulation finishes, supporter is again as the protective barrier that intercepts water oxygen.
Description of drawings
Fig. 1 is prior art OLED screen body structure schematic diagram;
Fig. 2 is a prior art cap structural representation;
Fig. 3 is that the prior art substrate combines the back structural representation with cap;
Fig. 4 is along the screen of the OLED shown in Fig. 3 direction of arrow body structure schematic diagram;
Fig. 5 is the oled substrate structural representation of the utility model first embodiment;
Fig. 6 is the structural representation that adds after the encapsulation cap seal is adorned;
Fig. 7 is the structural representation of the utility model second embodiment;
Fig. 8 is the structural representation of the utility model the 3rd embodiment;
Fig. 9 is the schematic cross-section of the utility model supporter;
Figure 10 is the structural representation of the utility model first mask plate;
Figure 11 is the structural representation of the utility model second mask plate.
Embodiment
The utility model is described in further detail below by specific embodiment.
As shown in Figure 5, comprise viewing area A on the substrate of an embodiment of the present utility model, both sides go between regional B1, B2, downside lead-in wire region D, IC zone C, and the supporter 3 that is positioned at A periphery, viewing area.Supporter 3 comprises first supporter 31 that is positioned at viewing area A top, is positioned at second supporter 32 of viewing area A below, is positioned at the side supporter 33 of A both sides, viewing area.
Increase cap 2 back OLED screen body structure end view such as Fig. 6, cap and substrate are bonding by packaging plastic.Also have the supporter that supports described cap between cap pedestal and described substrate, supporter 3 is between substrate 1 and cap 2, and support organic layer cathode layer 12, trace layer 11.Because have the difference in height of supporter between substrate and cap, supporter 3 separates trace layer with cap pedestal 21, cap can't touch side lead-in wire B1, the B2 of trace layer.Because supporter is that it covers on the trace layer and can not damage lead-in wire by the colloid for preparing of insulating property (properties).Supporter 3 and packaging plastic (not shown) support cap 2.
In conjunction with Fig. 5, Fig. 6 as can be known, cap needs two supporters to support at least, and the height of these two supporters is identical.These two supporters can be first supporter 31 and second supporter 32, perhaps first supporter 31 and side supporter 33, and perhaps other can thinkablely make up, and do not give unnecessary details one by one at this.
Simultaneously, formed a barrier wall by first supporter, second supporter, side supporter, it can prevent that when encapsulation the packaging plastic that encapsulates use from flowing into the viewing area.
The substrate of second embodiment of the present utility model as shown in Figure 7, first supporter, 31 ', the second supporter 32 ' wherein, side supporter 33 ' is identical with supporter position among first embodiment.Second supporter 32 ' is divided into a plurality of parts, and each part is superimposed upon respectively on side lead-in wire B1, B2 and the downside lead-in wire D.In the present embodiment, second supporter 32 ' not covered substrate do not have the lead-in wire the position, shorten the length of second supporter, prevent owing to side lead-in wire B1, B2 and downside lead-in wire D highly do not wait cause second supporter in the middle of short second supporter that causes in high both sides bonding insecure, pressurized holds the situation of easy to fall down.
Simultaneously, formed a barrier wall by first supporter, second supporter, supported on both sides body, it can prevent that when encapsulation the packaging plastic that encapsulates use from flowing into the viewing area.
The substrate of the 3rd embodiment of the present utility model as shown in Figure 8, wherein first supporter, second supporter and supported on both sides body link into an integrated entity, and form an annular supporting structure 3 ".Also form an enclosed areas simultaneously, prevent that water and air from entering, reduce the oxidized of viewing area, prolong OLED screen body service time.
Fig. 9 is the schematic cross-section of the utility model supporter 3, comprises supporting seat 3-1 and support column 3-2, and support column 3-2 is positioned on the supporting seat 3-1, and the supporting seat end face contacts with the support column bottom surface.The support column bottom surface is fixed on the substrate, and the support column end face supports the cap pedestal of cap.Wherein, the supporting seat material is a photosensitive organic insulating material, as polyimides.The support column material is a photoresist, can be negative photoresist.The material of supporting seat can be identical with the material of insulating barrier, and the material of support column can be identical with the material of insulated column.The altitude range of supporting seat is 1.8-3.5um, and the altitude range of support column is 3.2-4.0um.
The invention also discloses a kind of method for preparing supporter, comprising:
Step 6, the encapsulation of loading cap.
The utility model also proposes a kind of organic electroluminescent module, comprises, and drive unit, FPC comprises described organic electroluminescence device.A kind of mobile communication equipment comprises communicator and display unit, this organic electroluminescent module of described display unit.
Though the utility model is to disclose as above than preferable embodiment; yet it is not in order to limit the utility model; anyly be familiar with this technology personage; in not breaking away from spirit and scope of the present utility model; when being used for a variety of modifications and variations; therefore, protection range of the present utility model is as the criterion when the claim with application defines.
Claims (10)
1. an organic electroluminescence device comprises,
Substrate is positioned at the viewing area on the substrate,
Cap comprises the cap pedestal, and described cap pedestal and described substrate are bonding by packaging plastic,
It is characterized in that having on the described substrate and prevent that the viewing area is subjected to cap compressing and the supporter of infringement, described supporter is positioned at outside the viewing area.
2. organic electroluminescence device as claimed in claim 1, it is characterized in that described supporter comprises supporting seat and support column, described support column is arranged on the described supporting seat, described supporting seat bottom is fixed on the described substrate the described cap of described support column top braces.
3. organic electroluminescence device as claimed in claim 2 is characterized in that, described viewing area comprises insulating barrier and insulated column layer, and described supporting seat is identical with described insulating layer material, and described support column is identical with described insulated column layer material.
4. organic electroluminescence device as claimed in claim 3 is characterized in that, the altitude range of described supporting seat is 1.8-3.5um, and the altitude range of described support column is 3.2-4.0um.
5. organic electroluminescence device as claimed in claim 1 is characterized in that, described supporter comprises 2 in first supporter, second supporter and the supported on both sides body at least.
6. organic electroluminescence device as claimed in claim 5 is characterized in that the height of described at least 2 supporters is identical.
7. organic electroluminescence device as claimed in claim 5 is characterized in that, described second supporter is divided at least two sections, and one section or several sections is superimposed upon on the part side lead-in wire, and other one section or several sections is superimposed upon on the part downside lead-in wire.
8. organic electroluminescence device as claimed in claim 5 is characterized in that, described first supporter, described second supporter, described supported on both sides body connect as one.
9. an organic electroluminescent module comprises, drive unit, and FPC is characterized in that, comprises organic electroluminescence device as claimed in claim 1.
10. a mobile communication equipment comprises communicator and display unit, it is characterized in that, described display unit is an organic electroluminescent module as claimed in claim 9.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2010205354226U CN201893383U (en) | 2010-09-16 | 2010-09-16 | Organic light-emitting diode, light-emitting module and mobile communication equipment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN2010205354226U CN201893383U (en) | 2010-09-16 | 2010-09-16 | Organic light-emitting diode, light-emitting module and mobile communication equipment |
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CN201893383U true CN201893383U (en) | 2011-07-06 |
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CN2010205354226U Expired - Lifetime CN201893383U (en) | 2010-09-16 | 2010-09-16 | Organic light-emitting diode, light-emitting module and mobile communication equipment |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102082163A (en) * | 2010-09-16 | 2011-06-01 | 昆山维信诺显示技术有限公司 | Organic electroluminescent device, preparation method, display module and application thereof |
WO2022067522A1 (en) * | 2020-09-29 | 2022-04-07 | 京东方科技集团股份有限公司 | Display substrate and manufacturing method therefor, and display apparatus |
-
2010
- 2010-09-16 CN CN2010205354226U patent/CN201893383U/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102082163A (en) * | 2010-09-16 | 2011-06-01 | 昆山维信诺显示技术有限公司 | Organic electroluminescent device, preparation method, display module and application thereof |
CN102082163B (en) * | 2010-09-16 | 2015-11-25 | 昆山维信诺科技有限公司 | A kind of organic electroluminescence device, preparation method, display module and application thereof |
WO2022067522A1 (en) * | 2020-09-29 | 2022-04-07 | 京东方科技集团股份有限公司 | Display substrate and manufacturing method therefor, and display apparatus |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CX01 | Expiry of patent term |
Granted publication date: 20110706 |
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CX01 | Expiry of patent term |