CN110299474A - A kind of electroluminescent device of adjustable color - Google Patents
A kind of electroluminescent device of adjustable color Download PDFInfo
- Publication number
- CN110299474A CN110299474A CN201910653720.0A CN201910653720A CN110299474A CN 110299474 A CN110299474 A CN 110299474A CN 201910653720 A CN201910653720 A CN 201910653720A CN 110299474 A CN110299474 A CN 110299474A
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- Prior art keywords
- electroluminescent device
- layer
- substrate
- film
- adjustable color
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- 239000000758 substrate Substances 0.000 claims abstract description 36
- 238000006243 chemical reaction Methods 0.000 claims abstract description 20
- 238000000059 patterning Methods 0.000 claims abstract description 4
- 239000010408 film Substances 0.000 claims description 21
- 239000000463 material Substances 0.000 claims description 15
- 239000011521 glass Substances 0.000 claims description 11
- 229920002521 macromolecule Polymers 0.000 claims description 8
- 239000002985 plastic film Substances 0.000 claims description 8
- 229920006255 plastic film Polymers 0.000 claims description 8
- 229910044991 metal oxide Inorganic materials 0.000 claims description 7
- 150000004706 metal oxides Chemical class 0.000 claims description 7
- -1 polypropylene Polymers 0.000 claims description 6
- 239000010409 thin film Substances 0.000 claims description 5
- 239000004332 silver Substances 0.000 claims description 4
- 229910052709 silver Inorganic materials 0.000 claims description 4
- 239000004952 Polyamide Substances 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 239000004743 Polypropylene Substances 0.000 claims description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 229920002647 polyamide Polymers 0.000 claims description 3
- 229920006289 polycarbonate film Polymers 0.000 claims description 3
- 229920006267 polyester film Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 2
- 239000004411 aluminium Substances 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 239000011777 magnesium Substances 0.000 claims description 2
- ORUIBWPALBXDOA-UHFFFAOYSA-L magnesium fluoride Chemical compound [F-].[F-].[Mg+2] ORUIBWPALBXDOA-UHFFFAOYSA-L 0.000 claims description 2
- 229910001635 magnesium fluoride Inorganic materials 0.000 claims description 2
- BPUBBGLMJRNUCC-UHFFFAOYSA-N oxygen(2-);tantalum(5+) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ta+5].[Ta+5] BPUBBGLMJRNUCC-UHFFFAOYSA-N 0.000 claims description 2
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical class [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 claims description 2
- 238000005507 spraying Methods 0.000 claims description 2
- 229910001936 tantalum oxide Inorganic materials 0.000 claims description 2
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 2
- 238000007740 vapor deposition Methods 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims 1
- 229910052749 magnesium Inorganic materials 0.000 claims 1
- 230000007935 neutral effect Effects 0.000 abstract description 6
- 238000011161 development Methods 0.000 abstract description 4
- 239000010410 layer Substances 0.000 description 51
- 230000006872 improvement Effects 0.000 description 9
- 239000012790 adhesive layer Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 229910000861 Mg alloy Inorganic materials 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000005286 illumination Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005401 electroluminescence Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000001755 magnetron sputter deposition Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 150000003384 small molecules Chemical group 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000011162 core material Substances 0.000 description 1
- 239000002274 desiccant Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 229910000765 intermetallic Inorganic materials 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 230000027756 respiratory electron transport chain Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
The invention discloses a kind of electroluminescent devices of adjustable color, including substrate, stacking is provided with first electrode layer, organic luminous layer and the second electrode lay on the inside of the substrate, patterning and the lower auxiliary electrode layer of sheet resistance are provided in the first electrode layer between the first electrode layer and organic luminous layer, it is provided with encapsulated layer on the second electrode lay, colour temperature conversion layer is provided on the outside of the substrate.The setting of electroluminescent device neutral color temperature conversion layer of the present invention improves the colour temperature application range of electroluminescent device, greatly expands the development field of electroluminescent device, and electroluminescent device neutral color temperature conversion layer is bonded with substrates into intimate, and device reliability is high.
Description
Technical field
The present invention relates to electroluminescent technology fields, and in particular to a kind of electroluminescent device of adjustable color.
Background technique
Energy saving, healthy, frivolous, environmentally friendly, self-luminous, response time be short with it for organic electroluminescence device (OLED), structure
Simply, the advantages such as flexibility can be achieved, in illumination and concern of the display field by more and more scholars and enterprise, development prospect
It is wide.
The construction of OLED device generally comprises a substrate, and two membrane electrode poles have been made on substrate, in two electricity
Multilayer organic film is made between pole, device can shine after being powered between two electrodes.Most common substrate is transparent glass
It does, the light that device is sent out after being powered injects air as used in display or illumination through glass substrate, these are referred to as bottom and shine
Device.Also the light of some devices is issued from device side, these are called top illuminating device.
In lighting area, the big characteristic of the one of OLED technology is to can be realized shape-designing.For multiple independently luminous
Region, and light emitting region be closed figures design for, lead is first usually made respectively to anode pattern, thus real
Existing subregion shines.
Electroluminescent light source usually utilizes luminescent material independence light-emitting mode, along with the metal mask plate pair using precision
Position technology, prepares red, green, blue three-color light-emitting center, then adjusts the colour mixture ratio of three kinds of colors combination, generates the electroluminescent of needs
Illuminating source.The optical property of electroluminescent light source can freely be adjusted by the type and ratio of red, green, blue luminescent material.
Oled panel of the prior art for illumination, colour temperature are typically chosen the warm colour light between 2000K~4000K, mainly
Because blue light material light decay is larger, performance is unstable, can not break through always in OLED using upper, traditional cool white coloured light
5500-6500K preparation is difficult, restricts the development of electroluminescent industry.
Summary of the invention
To solve the above-mentioned problems, the present invention provides one kind to expand electroluminescence panel colour temperature range of choice,
Greatly improve the electroluminescent device of electroluminescent application.
In order to achieve the above object, the present invention is achieved through the following technical solutions:
The present invention is a kind of electroluminescent device of adjustable color, including substrate, and stacking is provided with first on the inside of the substrate
Electrode layer, organic luminous layer and the second electrode lay, the first electrode between the first electrode layer and organic luminous layer
It is provided with patterning and the lower auxiliary electrode layer of sheet resistance on layer, encapsulated layer is provided on the second electrode lay, described
Colour temperature conversion layer is provided on the outside of substrate.
A further improvement of the present invention is that: the substrate is glass substrate or transparent flexible substrate.
A further improvement of the present invention is that: the first electrode layer is transparent conductive film, the transparent conductive film
For any one of three kinds of films of ITO, AZO FTO person.
A further improvement of the present invention is that: the colour temperature conversion layer is that metal-oxide film or high molecule plastic are thin
Film.
A further improvement of the present invention is that: the metal-oxide film be the high titanium oxide of refractive index, tantalum oxide or
Refractive index low silicon oxide series and magnesium fluoride.
A further improvement of the present invention is that: the macromolecule plastic film is polyester film, polypropylene film, polyethylene
Film, polycarbonate film or polyamide film.
A further improvement of the present invention is that: the metal-oxide film is using in three kinds of sputter, vapor deposition, spraying modes
Any one mode be arranged on the substrate.
A further improvement of the present invention is that: the macromolecule plastic film pastes on the substrate.
A further improvement of the present invention is that: the organic luminous layer is small molecule luminous organic material, including extremely
Few one layer of electron transfer layer and hole transmission layer.
The beneficial effects of the present invention are: the setting of electroluminescent device neutral color temperature conversion layer of the present invention, improves electroluminescent hair
The colour temperature application range of optical device, greatly expands the development field of electroluminescent device, and electroluminescent device neutral color temperature turns
It changes layer to be bonded with substrates into intimate, device reliability is high, and coloured macromolecule plastic film of the invention can be in 340nm-460nm
Transmitance less than 80%, 460nm-780nm transmitance be greater than 80%, or in the transmitance of 340nm-460nm
Greater than 80%, 460nm-780nm transmitance less than 80%, colour temperature conversion layer can make low color temperature light be converted to high color temperature
Light can also make high color temperature light be converted to low color temperature light.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present invention 1.
Fig. 2 is to go out photosphere 3200K spectrogram in the embodiment of the present invention 1.
Fig. 3 is 1 neutral color temperature conversion layer transmitted light spectrogram of the embodiment of the present invention.
Fig. 4 is the 6000K spectrogram in the embodiment of the present invention 1 after the conversion of colour temperature conversion layer.
Fig. 5 is the structural schematic diagram of the embodiment of the present invention 2.
Fig. 6 is 2 neutral color temperature conversion layer transmitted light spectrogram of the embodiment of the present invention.
Fig. 7 is the 4000K spectrogram in the embodiment of the present invention 2 after the conversion of colour temperature conversion layer.
Wherein: 10- base plate glass, 20- colour temperature conversion layer, 30- first electrode layer, 31- auxiliary electrode layer, the organic hair of 40-
Photosphere, 50- the second electrode lay, 51- encapsulated layer, 21- coloured macromolecule plastic film layers, 22- adhesive layer.
Specific embodiment
In order to reinforce the understanding of the present invention, present invention work is further retouched in detail below in conjunction with drawings and examples
It states, the embodiment is only for explaining the present invention, does not constitute and limits to protection scope of the present invention.
The present invention can be embodied in many different forms, and should not be construed as limited to embodiment set forth herein.
On the contrary, providing these embodiments, so that the disclosure will be thorough and complete, and design of the invention will be fully conveyed to
Those skilled in the art, the present invention will only be defined by the appended claims.In the accompanying drawings, for clarity, the area Ceng He can be exaggerated
The size and relative size in domain.It should be understood that when element such as layer, region or substrate are referred to as " being formed in " or " setting
" another element "upper" when, which can be arranged directly on another element, or there may also be intermediary elements.
On the contrary, intermediary element is not present when element is referred to as on " being formed directly into " or " being set up directly on " another element.
As shown in figs. 1-7, the present invention is a kind of electroluminescent device of adjustable color, including substrate 10, in the substrate
10 inside stackings are provided with first electrode layer 30, organic luminous layer 40 and the second electrode lay 50, the first electrode layer 30 with
Patterning and the lower auxiliary electrode layer 31 of sheet resistance are provided in the first electrode layer 30 between organic luminous layer 40, in institute
It states and is provided with encapsulated layer 51 on the second electrode lay 50, be provided with colour temperature conversion layer 20, the second electrode lay on the outside of the substrate 10
50 material is any one in the either silver-colored magnesium alloy of silver, aluminium, magnesium or aerdentalloy, magnesium alloy.
Embodiment 1
Colour temperature converts layer material as metal-oxide film, and refractive index is between 0.5-2, light transmittance 80%, with a thickness of 100-
200nm；
Substrate 10 has alkali glass for thickness 0.7mm's；
First electrode layer 30 is made by ITO material, with a thickness of 300nm, light transmittance 90%, 10 Ω of sheet resistance/.The first electrode
There are also auxiliary electrode layers 31 on layer, are made by MoAlMo material, thickness 300nm, 0.5 Ω of sheet resistance/, light emitting region has opening to set
Meter.
Organic luminous layer 40 is made of multilayer small molecule fluorescent material and multilayer functional material, and overall thickness is in 200nm-
It is the core material that electroluminescent device can shine between 300nm.
The second electrode lay 50 is made by metallic Silver material, and overall thickness is between 100-300nm.On the second electrode lay also
It is provided with encapsulated layer 51.The encapsulated layer 51 is glass cover-plate, UV glue, desiccant composition.
The electroluminescent device of the present embodiment the preparation method is as follows:
Step 1, the glass for selecting suitable dimension, then cleans glass substrate；
Step 2, the sputter colour temperature conversion layer 20 on the outside of glass substrate, material are optical filtering type metallic compound, and thickness control exists
Between 100-200nm；
Step 3, the ITO layer with a thickness of 300nm is prepared on the glass substrate by magnetron sputtering technique；
Step 4, one layer of MoAlMo auxiliary electrode pattern is prepared on ITO by magnetron sputtering, pattern is blocked by mask plate and formed；
Step 5, luminous material layer is prepared on substrate by evaporation process, pattern is formed by mask plate, and thickness is in 200nm-
Between 300nm；
Step 6, the second electrode lay is prepared on substrate by evaporation process, pattern is formed by mask plate, and thickness is in 100-300nm
Between；
Step 7, the OLED device prepared is packaged, is prepared under vacuum conditions.
Embodiment 2
Colour temperature conversion layer 20 includes coloured macromolecule plastic film layer 21 and adhesive layer 22, and coloured macromolecule plastic film layers
21 are pasted on the substrate 10 by adhesive layer 22, and adhesive layer 22 is UV glue, silica gel or other kinds of transparent adhesive；
Coloured macromolecule plastic film layers 21 are polyester film, polypropylene film, polyethylene film, polycarbonate film or polyamides
One of amine film can have the colour temperature conversion layer 20 of different-colour transition material through selection, reach different colour temperatures
Variation effect can also reduce colour temperature in addition to raising colour temperature, complete depending on demand.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to restrict the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of electroluminescent device of adjustable color, including substrate (10), it is characterised in that: in the substrate (10) la m
It is folded to be provided with first electrode layer (30), organic luminous layer (40) and the second electrode lay (50), in the first electrode layer (30) and
Patterning and the lower auxiliary electrode layer of sheet resistance are provided in the first electrode layer (30) between organic luminous layer (40)
(31), it is provided on the second electrode lay (50) encapsulated layer (51), colour temperature conversion is provided on the outside of the substrate (10)
Layer (20).
2. a kind of electroluminescent device of adjustable color according to claim 1, it is characterised in that: the substrate (10) is glass
Glass substrate or transparent flexible substrate.
3. a kind of electroluminescent device of adjustable color according to claim 1, it is characterised in that: the first electrode layer
It (30) is transparent conductive film, the transparent conductive film is any one of three kinds of films of ITO, AZO FTO person.
4. a kind of electroluminescent device of adjustable color according to claim 1, it is characterised in that: the colour temperature conversion layer
It (20) is metal-oxide film or macromolecule plastic film.
5. a kind of electroluminescent device of adjustable color according to claim 4, it is characterised in that: the metal oxide is thin
Film is the high titanium oxide of refractive index, tantalum oxide or the low silicon oxide series and magnesium fluoride of refractive index.
6. a kind of electroluminescent device of adjustable color according to claim 4, it is characterised in that: the high molecule plastic is thin
Film is polyester film, polypropylene film, polyethylene film, polycarbonate film or polyamide film.
7. a kind of electroluminescent device of adjustable color according to claim 5, it is characterised in that: the metal oxide is thin
Film is arranged on the substrate (10) using any one mode in three kinds of sputter, vapor deposition, spraying modes.
8. a kind of electroluminescent device of adjustable color according to claim 6, it is characterised in that: the high molecule plastic is thin
Film is covered on the substrate (10).
9. a kind of electroluminescent device of adjustable color according to claim 1, it is characterised in that: the second electrode lay
(50) material is silver, aluminium or magnesium.
10. a kind of electroluminescent device of adjustable color according to claim 1, it is characterised in that: the auxiliary electrode layer
(31) material is one of silver, MoAlMo, Al.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910653720.0A CN110299474A (en) | 2019-07-19 | 2019-07-19 | A kind of electroluminescent device of adjustable color |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910653720.0A CN110299474A (en) | 2019-07-19 | 2019-07-19 | A kind of electroluminescent device of adjustable color |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110299474A true CN110299474A (en) | 2019-10-01 |
Family
ID=68031409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910653720.0A Pending CN110299474A (en) | 2019-07-19 | 2019-07-19 | A kind of electroluminescent device of adjustable color |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110299474A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005071693A (en) * | 2003-08-21 | 2005-03-17 | Semiconductor Energy Lab Co Ltd | Light emitting device, its manufacturing method, and three-dimensional display device |
| JP2007128664A (en) * | 2005-11-01 | 2007-05-24 | Seiko Epson Corp | Light emitting device and electronic apparatus |
| KR20110130949A (en) * | 2010-05-28 | 2011-12-06 | 금호전기주식회사 | Electrode for organic light emitting device and organic light emitting device comprising the same |
| CN105392842A (en) * | 2013-08-06 | 2016-03-09 | 三菱瓦斯化学株式会社 | Polyimide resin composition, and (polyimide resin)-fiber composite material |
| CN207868229U (en) * | 2018-01-16 | 2018-09-14 | 荃合科技有限公司 | The electrochemical appliance of adjustable color temperature |
| CN210182416U (en) * | 2019-07-19 | 2020-03-24 | 江苏壹光科技有限公司 | Color temperature adjustable electroluminescent device |
-
2019
- 2019-07-19 CN CN201910653720.0A patent/CN110299474A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005071693A (en) * | 2003-08-21 | 2005-03-17 | Semiconductor Energy Lab Co Ltd | Light emitting device, its manufacturing method, and three-dimensional display device |
| JP2007128664A (en) * | 2005-11-01 | 2007-05-24 | Seiko Epson Corp | Light emitting device and electronic apparatus |
| KR20110130949A (en) * | 2010-05-28 | 2011-12-06 | 금호전기주식회사 | Electrode for organic light emitting device and organic light emitting device comprising the same |
| CN105392842A (en) * | 2013-08-06 | 2016-03-09 | 三菱瓦斯化学株式会社 | Polyimide resin composition, and (polyimide resin)-fiber composite material |
| CN207868229U (en) * | 2018-01-16 | 2018-09-14 | 荃合科技有限公司 | The electrochemical appliance of adjustable color temperature |
| CN210182416U (en) * | 2019-07-19 | 2020-03-24 | 江苏壹光科技有限公司 | Color temperature adjustable electroluminescent device |
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