CN103928625A - Device structure of flexible transparent OLED and manufacturing method - Google Patents
Device structure of flexible transparent OLED and manufacturing method Download PDFInfo
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- CN103928625A CN103928625A CN201410137250.XA CN201410137250A CN103928625A CN 103928625 A CN103928625 A CN 103928625A CN 201410137250 A CN201410137250 A CN 201410137250A CN 103928625 A CN103928625 A CN 103928625A
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- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 239000010410 layer Substances 0.000 claims abstract description 32
- 239000000758 substrate Substances 0.000 claims abstract description 26
- 239000012044 organic layer Substances 0.000 claims abstract description 17
- 238000002360 preparation method Methods 0.000 claims description 23
- 238000000034 method Methods 0.000 claims description 16
- 238000007738 vacuum evaporation Methods 0.000 claims description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 238000005229 chemical vapour deposition Methods 0.000 claims description 6
- 238000001704 evaporation Methods 0.000 claims description 6
- 230000008020 evaporation Effects 0.000 claims description 6
- 238000005538 encapsulation Methods 0.000 claims description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 3
- 230000004888 barrier function Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000002041 carbon nanotube Substances 0.000 claims description 3
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000010408 film Substances 0.000 claims description 3
- 229910021389 graphene Inorganic materials 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 230000027756 respiratory electron transport chain Effects 0.000 claims description 3
- 238000004528 spin coating Methods 0.000 claims description 3
- 239000010409 thin film Substances 0.000 claims description 3
- 238000004806 packaging method and process Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/805—Electrodes
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/85—Arrangements for extracting light from the devices
- H10K50/856—Arrangements for extracting light from the devices comprising reflective means
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
The invention belongs to the field of OLEDs, and particularly relates to a device structure of a flexible transparent OLED and a manufacturing method. The device structure comprises a flexible transparent substrate, wherein one side of the flexible transparent substrate is of a rectangular sawtooth structure, first transparent electrodes are arranged on protruding portions on the rectangular sawtooth structure side of the flexible transparent substrate, and reflection electrodes are arranged on groove portions on the rectangular sawtooth structure side of the flexible transparent substrate; the first transparent electrodes and the reflection electrodes are covered with an organic layer, and a second transparent electrodes and a packaging layer are sequentially arranged on the organic layer. By arranging each reflection electrode on one side of the corresponding first transparent electrode, interior light can be emitted out only through the second transparent electrode, the light emitting direction of the transparent OLED is controlled, and one-edge light emitting is achieved.
Description
Technical field
The invention belongs to OLED field, be specifically related to device architecture and the preparation method of a kind of flexible and transparent OLED.
Background technology
Flourish along with Display Technique, transparent demonstration starts to enter the popular visual field, but transparent display part of today is all bilateral luminous, light emission direction that can not control panel.
Summary of the invention
The object of the invention is to overcome the shortcoming existing in above-mentioned prior art, device architecture and the preparation method of a kind of flexible and transparent OLED be provided, have advantages of can control panel light emission direction.
For achieving the above object, the present invention is by the following technical solutions: comprising: the flexible transparent substrate of the rectangular broached-tooth design of a side, described rectangle broached-tooth design is made up of several projections and the groove that is positioned at protruding side, on several lug bosses of rectangle broached-tooth design, be provided with several the first transparency electrode, and several concave parts of rectangle broached-tooth design are provided with several reflecting electrodes; And on the first transparency electrode and reflecting electrode, cover by organic layer, on organic layer, set gradually the second transparency electrode and encapsulated layer.
The first described transparency electrode in the direction perpendicular to flexible transparent substrate relative altitude higher than reflecting electrode.
The width of described reflecting electrode and the first transparency electrode is 1-3mm.
Described encapsulated layer is thin-film encapsulation layer, and the mode that adopts organic and inorganic barrier film alternately to superpose encapsulates.
A device architecture preparation method of flexible and transparent OLED, comprises the steps:
Step 1): adopt the method for roller impression to form the flexible transparent substrate of the rectangular broached-tooth design of a side in transparent flexible substrate, rectangle broached-tooth design is made up of several projections and the groove that is positioned at protruding side;
Step 2): in flexible transparent substrate, prepare the first transparency electrode and reflecting electrode, and the first transparency electrode is positioned on the lug boss of flexible transparent substrate, reflecting electrode is positioned at the concave part of flexible transparent substrate;
Step 3): in step 2) the first transparency electrode and reflecting electrode on prepare successively evaporation hole injection layer, hole transmission layer, luminescent layer, electron transfer layer and electron injecting layer, form organic layer;
Step 4): prepare the second transparency electrode on the organic layer of step 3);
Step 5): prepare transparent encapsulated layer in the second transparency electrode of preparing in step 4), finally obtain the device architecture of required flexible and transparent OLED.
Described step 2) in the preparation method of the first transparency electrode be: adopt the method for vacuum evaporation or magnetic cosputtering to make in conjunction with fine mask plate; Or the way that adopts spin coating is prepared transparent nano silver line transparency electrode; Or adopt carbon nano-tube or Graphene to be prepared from;
The preparation method of described reflecting electrode adopts the method for vacuum evaporation or magnetic cosputtering to make in conjunction with fine mask plate; And the first transparency electrode in the direction perpendicular to flexible transparent substrate relative altitude higher than reflecting electrode.
In described step 3), the preparation method of organic layer adopts the mode of vacuum evaporation to make.
In described step 4), the preparation method of the second transparency electrode is to adopt the method for vacuum evaporation or magnetic cosputtering to form electrode, in the time adopting magnetic cosputtering to prepare, and evaporation resilient coating on electron injecting layer.
In described step 5), the preparation method of encapsulated layer adopts the method for chemical vapour deposition (CVD) or sputter.
The present invention has following beneficial effect: the prior art of comparing, the present invention arranges reflecting electrode by the side in the first transparency electrode, interior lights only can outwards be launched from the second transparency electrode, control the light direction of transparent OLED, realize monolateral luminous.Because flexible transparent substrate is by adopting roller stamped method to make, thereby play the effect of interior lights scattering, improved light and take out efficiency.
Further, in the direction perpendicular to flexible transparent substrate, the relative altitude of the first transparency electrode is higher than reflecting electrode, thereby can make the fixing more firm of organic layer.
Brief description of the drawings
Fig. 1 is the device architecture schematic diagram 1 of flexible and transparent OLED;
Fig. 2 is the device architecture schematic diagram 2 of flexible and transparent OLED.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Referring to Fig. 1 and 2, the device architecture of flexible and transparent OLED comprises: the flexible transparent substrate 1 of the rectangular broached-tooth design of a side, rectangle broached-tooth design is made up of several projections and the groove that is positioned at protruding side, on several lug bosses of rectangle broached-tooth design, be provided with several the first transparency electrode 2, and several concave parts of rectangle broached-tooth design are provided with several reflecting electrodes 3; And cover by organic layer 4 on the first transparency electrode 2 and reflecting electrode 3, set gradually the second transparency electrode 5 and encapsulated layer 6 on organic layer 4, encapsulated layer 6 is thin-film encapsulation layer, and the mode that adopts organic and inorganic barrier film alternately to superpose encapsulates.The width of reflecting electrode 3 and the first transparency electrode 2 is 1-3mm.The first transparency electrode 2 in the direction perpendicular to flexible transparent substrate 1 relative altitude higher than reflecting electrode 3.
The preparation method of flexible and transparent OLED device architecture, carries out according to following steps:
Step 1): adopt the method for roller impression to form the flexible base, board 1 with the rectangular broached-tooth design of a side on transparent flexible substrate, and the required figure of carve in advance on roller, rectangle broached-tooth design is made up of several projections and the groove that is positioned at protruding side;
Step 2): in the flexible transparent substrate 1 being made by step 1), adopt the method for vacuum evaporation or magnetic cosputtering to form successively the first transparency electrode 2 and reflecting electrode 3 in conjunction with fine mask plate, the first transparency electrode 2 is set on the lug boss of rectangle broached-tooth design, the concave part of rectangle broached-tooth design arranges reflecting electrode 3, the first transparency electrode 2 also can be prepared transparent nano silver line transparency electrode by the way of spin coating, or adopts carbon nano-tube or Graphene to be prepared from;
Step 3): in step 2) the first transparency electrode 2 and reflecting electrode 3 on adopt the mode of vacuum evaporation to prepare successively evaporation hole injection layer, hole transmission layer, luminescent layer, electron transfer layer and electron injecting layer, form organic layer 4;
Step 4): on the organic layer 4 of step 3), prepare the second transparency electrode 5, adopt the method for vacuum evaporation or magnetic cosputtering to form, need be on electron injecting layer before adopting magnetic cosputtering to prepare the second transparency electrode 5 evaporation resilient coating;
Step 5): adopt the method for chemical vapour deposition (CVD) or sputter to form transparent membrane encapsulation in the second transparency electrode 5 of step 4), finally obtain the device architecture of required flexible and transparent OLED.
In the time that the first described transparency electrode 2 is anode, the second transparency electrode 5 is negative electrode, and reflecting electrode 3 is reflection anode, and light sends from negative electrode, sees Fig. 1; In the time that the first described transparency electrode 1 is negative electrode, the second transparency electrode 5 is anode, and reflecting electrode 3 is reflective cathode, and light sends from anode, sees Fig. 2.
Claims (9)
1. the device architecture of a flexible and transparent OLED, it is characterized in that: comprising: the flexible transparent substrate (1) of the rectangular broached-tooth design of a side, described rectangle broached-tooth design is made up of several projections and the groove that is positioned at protruding side, on several lug bosses of rectangle broached-tooth design, be provided with several the first transparency electrodes (2), and in several concave parts of rectangle broached-tooth design, be provided with several reflecting electrodes (3); And the first transparency electrode (2) and reflecting electrode (3) are upper to be covered by organic layer (4), sets gradually the second transparency electrode (5) and encapsulated layer (6) on organic layer (4).
2. the device architecture of a kind of flexible and transparent OLED according to claim 1, is characterized in that:
Described the first transparency electrode (2) in the relative altitude perpendicular in flexible transparent substrate (1) direction higher than reflecting electrode (3).
3. the device architecture of a kind of flexible and transparent OLED according to claim 1, is characterized in that:
Described reflecting electrode (3) and the width of the first transparency electrode (2) are 1-3mm.
4. the device architecture of a kind of flexible and transparent OLED according to claim 1, is characterized in that:
Described encapsulated layer (6) is thin-film encapsulation layer, and the mode that adopts organic and inorganic barrier film alternately to superpose encapsulates.
5. a device architecture preparation method of flexible and transparent OLED, is characterized in that: comprise the steps:
Step 1): adopt the method for roller impression to form the flexible transparent substrate (1) of the rectangular broached-tooth design of a side in transparent flexible substrate, rectangle broached-tooth design is made up of several projections and the groove that is positioned at protruding side;
Step 2): at the upper preparation of flexible transparent substrate (1) the first transparency electrode (2) and reflecting electrode (3), and the first transparency electrode (2) is positioned on the lug boss of flexible transparent substrate (1), reflecting electrode (3) is positioned at the concave part of flexible transparent substrate (1);
Step 3): in step 2) the first transparency electrode (2) and reflecting electrode (3) on prepare successively evaporation hole injection layer, hole transmission layer, luminescent layer, electron transfer layer and electron injecting layer, form organic layer (4);
Step 4): in organic layer (4) upper preparation second transparency electrode (5) of step 3);
Step 5): the second transparency electrode (5) of preparing in step 4) is the transparent encapsulated layer (6) of preparation above, finally obtains the device architecture of required flexible and transparent OLED.
6. the device architecture preparation method of a kind of flexible and transparent OLED according to claim 5, is characterized in that: described step 2) in the preparation method of the first transparency electrode (2) be: adopt the method for vacuum evaporation or magnetic cosputtering to make in conjunction with fine mask plate; Or the way that adopts spin coating is prepared transparent nano silver line transparency electrode; Or adopt carbon nano-tube or Graphene to be prepared from;
The preparation method of described reflecting electrode (3) adopts the method for vacuum evaporation or magnetic cosputtering to make in conjunction with fine mask plate; And the first transparency electrode (2) in the direction perpendicular to flexible transparent substrate (1) relative altitude higher than reflecting electrode (3).
7. the device architecture preparation method of a kind of flexible and transparent OLED according to claim 5, is characterized in that: the preparation method of organic layer in described step 3) (4) adopts the mode of vacuum evaporation to make.
8. the device architecture preparation method of a kind of flexible and transparent OLED according to claim 5, it is characterized in that: in described step 4), the preparation method of the second transparency electrode (5) is to adopt the method for vacuum evaporation or magnetic cosputtering to form electrode, in the time adopting magnetic cosputtering to prepare, evaporation resilient coating on electron injecting layer.
9. the device architecture preparation method of a kind of flexible and transparent OLED according to claim 5, is characterized in that: the preparation method of encapsulated layer in described step 5) (6) is the method that adopts chemical vapour deposition (CVD) or sputter.
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| CN201410137250.XA CN103928625B (en) | 2014-04-08 | 2014-04-08 | The device architecture of a kind of flexible and transparent OLED and preparation method |
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| CN201410137250.XA CN103928625B (en) | 2014-04-08 | 2014-04-08 | The device architecture of a kind of flexible and transparent OLED and preparation method |
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| Publication Number | Publication Date |
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| CN103928625A true CN103928625A (en) | 2014-07-16 |
| CN103928625B CN103928625B (en) | 2016-05-18 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104393183A (en) * | 2014-11-17 | 2015-03-04 | 昆山国显光电有限公司 | Organic electroluminescence device and preparation method thereof |
| CN104614947A (en) * | 2015-01-26 | 2015-05-13 | 天津大学 | Flexible, stretchable and deformable curved surface optical lithography template as well as optical lithography method and device |
| CN104795508A (en) * | 2015-04-21 | 2015-07-22 | 苏州大学 | Flexible OLED device structure and manufacturing method thereof |
| CN104900812A (en) * | 2015-04-23 | 2015-09-09 | 京东方科技集团股份有限公司 | Film packaging structure, manufacture method thereof and display device |
| CN105489831A (en) * | 2015-12-03 | 2016-04-13 | 辉能（天津）科技发展有限公司 | Comb-shaped flexible electrode arranged in back-to-back way and battery containing same |
| CN106206982A (en) * | 2016-08-11 | 2016-12-07 | 上海大学 | A kind of structure improving flexible substrates water and oxygen barrier property and preparation method thereof |
| CN104124326B (en) * | 2014-08-13 | 2017-02-22 | 弗洛里光电材料（苏州）有限公司 | Semiconductor light emitting device optical encapsulation structure |
| CN109532067A (en) * | 2018-11-14 | 2019-03-29 | 青岛理工大学 | A kind of manufacturing method of high-performance flexible electric heating film |
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| CN104124326B (en) * | 2014-08-13 | 2017-02-22 | 弗洛里光电材料（苏州）有限公司 | Semiconductor light emitting device optical encapsulation structure |
| CN104393183A (en) * | 2014-11-17 | 2015-03-04 | 昆山国显光电有限公司 | Organic electroluminescence device and preparation method thereof |
| CN104614947A (en) * | 2015-01-26 | 2015-05-13 | 天津大学 | Flexible, stretchable and deformable curved surface optical lithography template as well as optical lithography method and device |
| CN104795508A (en) * | 2015-04-21 | 2015-07-22 | 苏州大学 | Flexible OLED device structure and manufacturing method thereof |
| CN104795508B (en) * | 2015-04-21 | 2017-03-15 | 苏州大学 | A kind of flexible OLED devices structure and preparation method thereof |
| CN104900812A (en) * | 2015-04-23 | 2015-09-09 | 京东方科技集团股份有限公司 | Film packaging structure, manufacture method thereof and display device |
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| CN105489831A (en) * | 2015-12-03 | 2016-04-13 | 辉能（天津）科技发展有限公司 | Comb-shaped flexible electrode arranged in back-to-back way and battery containing same |
| CN105489831B (en) * | 2015-12-03 | 2018-09-18 | 辉能（天津）科技发展有限公司 | The comb teeth-shaped flexible electrode being arranged back-to-back and the battery comprising the electrode |
| CN106206982A (en) * | 2016-08-11 | 2016-12-07 | 上海大学 | A kind of structure improving flexible substrates water and oxygen barrier property and preparation method thereof |
| CN106206982B (en) * | 2016-08-11 | 2018-07-13 | 上海大学 | A kind of structure and preparation method thereof improving flexible substrates water and oxygen barrier property |
| CN109532067A (en) * | 2018-11-14 | 2019-03-29 | 青岛理工大学 | A kind of manufacturing method of high-performance flexible electric heating film |
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Effective date of registration: 20170118 Address after: Longtan Street Port Road 210058 in Jiangsu province Nanjing City Economic and Technological Development Zone No. 1 No. 160535 Longtan logistics base Patentee after: NANJING TILIAO PHOTOELECTRICITY CO.,LTD. Address before: 710021 Shaanxi province Xi'an Weiyang University Park No. 1 Patentee before: SHAANXI University OF SCIENCE & TECHNOLOGY |
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