CN105720208A - Organic light-emitting device - Google Patents
Organic light-emitting device Download PDFInfo
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- CN105720208A CN105720208A CN201610115599.2A CN201610115599A CN105720208A CN 105720208 A CN105720208 A CN 105720208A CN 201610115599 A CN201610115599 A CN 201610115599A CN 105720208 A CN105720208 A CN 105720208A
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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
- H10K50/858—Arrangements for extracting light from the devices comprising refractive means, e.g. lenses
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Abstract
Disclosed is an organic light-emitting device. The organic light-emitting device is provided with a substrate, and a positive electrode, a hole injection layer, a hole transport layer, a light-emitting layer, an electron transport layer, an electron injection layer and a negative electrode which are arranged on one surface of the substrate and are laminated in sequence, wherein two or three optical output coupling layers are laminated on the other surface of the substrate in sequence; two optical output coupling layers are provided, including a first optical output coupling layer and a second optical output coupling layer, wherein the thickness of the first optical output coupling layer is <lambda>/2, and the thickness of the second optical output coupling layer is <lambda>/4; three optical output coupling layers are provided, including a first optical output coupling layer, a second optical output coupling layer and a third optical output coupling layer, wherein the thickness of the first optical output coupling layer is <lambda>/4, the thickness of the second optical output coupling layer is <lambda>/2, and the thickness of the third optical output coupling layer is <lambda>/4. The organic light-emitting device has the characteristics of good light extraction effect, simple preparation process, stable light emitting spectrum of the device, and long service life of the device.
Description
Technical field
The present invention relates to technical field of semiconductor device, particularly relate to a kind of organic electroluminescence device.
Background technology
Organic electroluminescence device owing to having active illuminating, visual angle is wide, lightweight, temperature adaptation wide ranges, voltage are low, prepare the many merits such as simple, compared with the liquid crystal display of current main flow, its low in energy consumption, fast response time, up to liquid crystal response speed more than 1,000 times, and it is low to manufacture degree, therefore organic electroluminescence device is considered as follow-on main flow display.Therefore OLED is paid close attention to by more and more academias and industrial quarters.
In the prior art, being typically chosen the clear glass substrate as OLED, and the refractive index of glass is generally about 1.52, the refractive index of organic material layer is generally about 1.66 ~ 1.88, and the refractive index of ITO is generally about 1.9 ~ 2.2.Therefore the light that electroluminescent organic material energising sends, constantly when external communication, i.e. by optically denser medium when optically thinner medium is propagated, owing to there is total reflection phenomenon, have most light to be confined in electroluminescent organic material layer, this causes the light output efficiency of OLED to be substantially reduced, and the most about 20% can propagate from from glass substrate, has the light of 80% to be confined or be lost and cannot rationally apply in the inside of OLED electroluminescent organic material.The light output efficiency the most how improving OLED becomes the research and development focus of technical staff.
Chinese patent application 201010606905.5 discloses a kind of structure increasing light light extraction efficiency, between luminescent layer and encapsulated layer, increase by a light transition zone, make the optical index subtractive between luminescent layer and light transition zone, between light transition zone and encapsulated layer little, the angle of total reflection increases, and then improves OLED light extraction efficiency.Which needs to prepare light transition zone, preparation complexity, poor operability at device inside.
Therefore, not enough for prior art, it is provided that a kind of organic electroluminescence device is to overcome prior art deficiency the most necessary.
Summary of the invention
It is an object of the invention to provide a kind of organic electroluminescence device, this organic electroluminescence device has light and takes out respond well, and preparation technology is simple, the feature that luminescent spectrum is stable, device lifetime is good of device.
The above-mentioned purpose of the present invention is realized by following technological means.
A kind of organic electroluminescence device is provided, being provided with substrate, be arranged at substrate side and fold anode, hole injection layer, hole transmission layer, luminescent layer, electron transfer layer, electron injecting layer and the negative electrode set successively, the another side of described substrate is folded successively is provided with two-layer or three layers of Light outcoupling layer.
Preferably, above-mentioned Light outcoupling layer is set to two-layer, being respectively the first Light outcoupling layer and the second Light outcoupling layer, the thickness of the first Light outcoupling layer being affixed with substrate is λ/2, thickness lambda/4 of folded the second Light outcoupling layer being located on the first Light outcoupling layer；λ value is when luminescent layer is monochromatic light, equal to monochromatic wavelength；λ value is multiple monochromatic light compound tenses at luminescent layer, equal to the meansigma methods of all monochromatic wavelengths.
Above-mentioned first Light outcoupling layer is that inorganic material is prepared from, and refractive index is 1.7-1.9.
Above-mentioned second Light outcoupling layer is inorganic material or organic material is prepared from.
Above-mentioned second Light outcoupling layer is MgF2、LiF、SiO2Or PEDOT material.
Another is preferred, above-mentioned Light outcoupling layer is set to three layers, it is respectively the first Light outcoupling layer, the second Light outcoupling layer and the 3rd Light outcoupling layer, the thickness of the first Light outcoupling layer being affixed with substrate is λ/4, thickness lambda/2 of folded the second Light outcoupling layer being located on the first Light outcoupling layer, thickness lambda/4 of folded the 3rd Light outcoupling layer being located on the second Light outcoupling layer；λ value is when luminescent layer is monochromatic light, equal to monochromatic wavelength；λ value is multiple monochromatic light compound tenses at luminescent layer, equal to the meansigma methods of all monochromatic wavelengths.
Above-mentioned first Light outcoupling layer is inorganic or organic material is prepared from, and described second Light outcoupling layer is organic material, and refractive index is 1.7-1.9, and described 3rd Light outcoupling layer is inorganic or organic material is prepared from.
Above-mentioned first Light outcoupling layer is MgF2Or PEDOT material, described second Light outcoupling layer is organic material, and refractive index is 1.7-1.9, and described 3rd Light outcoupling layer is MgF2Or PEDOT material.
A length of 380nm ~ the 499nm of transmitted wave of above-mentioned luminescent layer, described Light outcoupling layer uses luminous organic material to be prepared from, and the transmitting wavelength of described luminous organic material is not 500 ~ 700nm.
A length of 500nm ~ the 599nm of transmitted wave of above-mentioned luminescent layer, described Light outcoupling layer uses luminous organic material to be prepared from, and the transmitting wavelength of described luminous organic material is not 600 ~ 700nm.
The organic electroluminescence device of the present invention, being provided with substrate, be arranged at substrate side and fold anode, hole injection layer, hole transmission layer, luminescent layer, electron transfer layer, electron injecting layer and the negative electrode set successively, the another side of described substrate is folded successively is provided with two-layer or three layers of Light outcoupling layer.This organic electroluminescence device, has light and takes out respond well, and preparation technology is simple, the feature that luminescent spectrum is stable, device lifetime is good of device.
Accompanying drawing explanation
The present invention is further illustrated to utilize accompanying drawing, but the content in accompanying drawing does not constitute any limitation of the invention.
Fig. 1 is the structural representation of the present invention a kind of organic electroluminescence device embodiment 1.
Fig. 2 is the structural representation of the present invention a kind of organic electroluminescence device embodiment 2.
Fig. 3 is the luminous efficiency comparison schematic diagram of the device A1 of the present invention a kind of organic electroluminescence device embodiment 3, device B1.
In Fig. 1 to Fig. 2, including:
Substrate 01, anode 02, hole injection layer 03, hole transmission layer 04,
Luminescent layer 05, electron transfer layer 06, electron injecting layer 07, negative electrode 08,
First Light outcoupling layer the 1, second Light outcoupling layer 2,
3rd Light outcoupling layer 3.
Detailed description of the invention
The invention will be further described with the following Examples.
Embodiment
1
。
A kind of organic electroluminescence device, as shown in Figure 1, it is provided with substrate 01, is arranged at substrate 01 one side and folds anode 02, hole injection layer 03, hole transmission layer 04, luminescent layer 05, electron transfer layer 06, electron injecting layer 07 and the negative electrode 08 set successively, the another side of substrate 01 is folded successively is provided with two-layer Light outcoupling layer, the respectively first Light outcoupling layer 1 and the second Light outcoupling layer 2.The thickness of the first Light outcoupling layer 1 being affixed with substrate 01 is λ/2, thickness lambda/4 of folded the second Light outcoupling layer 2 being located on the first Light outcoupling layer 1；λ value is when luminescent layer 05 is monochromatic light, equal to monochromatic wavelength；λ value is multiple monochromatic light compound tenses at luminescent layer 05, equal to the meansigma methods of all monochromatic wavelengths.
First Light outcoupling layer is that inorganic material is prepared from, and refractive index is 1.7-1.9, and the second Light outcoupling layer is inorganic material or organic material is prepared from, preferably MgF2、LiF、SiO2Or PEDOT material.Light outcoupling layer can be prepared from by modes such as evaporation, spin coating, stickups.
This organic electroluminescence device, its substrate 01 can be a kind of material in Conventional glass, flexible ultra-thin glass or polyesters, polyimides compounds, or surface is through the polyesters of quasi-silicidation, polyimides compounds.
Anode 02 can be to be prepared from by metal-oxide or high-work-function metal or conducting polymer or simple substance carbons conductive layer；When anode 02 is set to be prepared from by metal-oxide, metal-oxide is preferably tin indium oxide, zinc oxide, indium zinc oxide or gallium oxide zinc；When anode 02 is set to be prepared from by high-work-function metal, high-work-function metal is preferably arranged to gold or platinum；When anode 02 is set to be prepared from by simple substance carbons conductive layer, simple substance carbons conductive layer is preferably CNT or graphene conductive layer.
Negative electrode 08 can be combined the standby two-layer electrode of aluminum, silvery or the blended electrode of preparation by work function less than the low workfunction metal of 3eV；Or combined, by alkali metal compound or alkaline earth metal compound, the two-layer electrode that aluminum, silvery are standby.
The organic electroluminescence device of the present invention, as a length of 380nm ~ 499nm of the transmitted wave of luminescent layer 05, when Light outcoupling layer uses luminous organic material to be prepared from, the transmitting wavelength of luminous organic material is not 500 ~ 700nm.
As a length of 500nm ~ 599nm of the transmitted wave of luminescent layer 05, when Light outcoupling layer uses luminous organic material to be prepared from, the transmitting wavelength of luminous organic material is not 600 ~ 700nm.
This organic electroluminescence device, another side at substrate 01 is folded successively is provided with two-layer Light outcoupling layer, and the thickness of the first Light outcoupling layer 1 is λ/2, thickness lambda/4 of folded the second Light outcoupling layer 2 being located on the first Light outcoupling layer 1.Being arranged by this structure, the light that OLED produces is after this substrate, then arrives in air through Light outcoupling layer, the beneficially output of light.This structure is arranged, and substantially increases the light output efficiency of device, has light and takes out respond well feature.
This organic electroluminescence device, owing to arranging Light outcoupling layer at substrate surface, therefore can with use spin coating, print, prepared by the mode such as evaporation, have the advantages that preparation technology is simple, be suitable for that large area produces.
This organic electroluminescence device, does not interferes with the luminescent spectrum of device, does not results in spectrum separating phenomenon, has the advantages that luminescent spectrum is stable.
Owing to anti-reflection structure is to act on the back side of glass substrate, i.e. it is respectively arranged at the both sides of glass substrate with OLED, is therefore unaffected each other in preparation process, life-span of device, electric property etc. are not all resulted in impact.
Additionally, the material source that this organic electroluminescence device is used is extensive, have the advantages that preparation is convenient, with low cost.It is positioned at outermost thin film and also integral membrane system can be played mechanical protection effect.
In sum, the organic electroluminescence device of the present invention has light and takes out respond well, and preparation technology is simple, the feature that luminescent spectrum is stable, device lifetime is good of device.
Embodiment 2.
A kind of organic electroluminescence device, other structure is same as in Example 1, difference is: as in figure 2 it is shown, the another side of substrate 01 is folded successively is provided with three layers of Light outcoupling layer, the respectively first Light outcoupling layer the 1, second Light outcoupling layer 2 and the 3rd Light outcoupling layer 3.The thickness of the first Light outcoupling layer 1 being affixed with substrate 01 is λ/4, thickness lambda/2 of folded the second Light outcoupling layer 2 being located on the first Light outcoupling layer 1, thickness lambda/4 of folded the 3rd Light outcoupling layer 3 being located on the second Light outcoupling layer 2；λ value is when luminescent layer 05 is monochromatic light, equal to monochromatic wavelength；λ value is multiple monochromatic light compound tenses at luminescent layer 05, equal to the meansigma methods of all monochromatic wavelengths.
This organic electroluminescence device, another side at substrate 01 is folded successively and is provided with three layers of Light outcoupling layer, the thickness of the first Light outcoupling layer 1 is λ/4, thickness lambda/2 of folded the second Light outcoupling layer 2 being located on the first Light outcoupling layer 1, thickness lambda/4 of folded the 3rd Light outcoupling layer 3 being located on the second Light outcoupling layer 2.Being arranged by this structure, the light that OLED produces is after this substrate, then arrives in air through Light outcoupling layer, the beneficially output of light.This structure is arranged, and substantially increases the light output efficiency of device, has light and takes out respond well feature.
This organic electroluminescence device, owing to arranging Light outcoupling layer at substrate surface, therefore can with use spin coating, print, prepared by the mode such as evaporation, have the advantages that preparation technology is simple, be suitable for that large area produces.
This organic electroluminescence device, does not interferes with the luminescent spectrum of device, does not results in spectrum separating phenomenon, has the advantages that luminescent spectrum is stable.
Owing to anti-reflection structure is to act on the back side of glass substrate, i.e. lays respectively at the both sides of glass substrate with OLED, be therefore unaffected each other in preparation process, life-span of device, electric property etc. are not all resulted in impact.
Additionally, the material source that this organic electroluminescence device is used is extensive, have the advantages that preparation is convenient, with low cost.It is positioned at outermost thin film and also integral membrane system can be played mechanical protection effect.
In sum, the organic electroluminescence device of the present invention has light and takes out respond well, and preparation technology is simple, the feature that luminescent spectrum is stable, device lifetime is good of device.
Embodiment
3
。
In order to verify the effect of organic electroluminescence device of the present invention, prepare two devices in the same way and compare.
The structure of device A1 is: Glass(substrate)/ITO(anode)/NPB (200) (hole transmission layer)/Bebq2: C545T(green fluorescence luminescent layer) (250)/Bebq2(electron transfer layer) (400)/LiF (10) (electron injecting layer)/Al (1000) (negative electrode).
The structure of device B1 is: MgF2(light coupling layer two)/BCP(light coupling layer one)/Glass(substrate)/ITO(anode)/NPB (200) (hole transmission layer)/Bebq2: C545T(250) (green fluorescence luminescent layer)/Bebq2 (400Å)
(electron transfer layer)/LiF (10) (electron injecting layer)/Al (1000) (negative electrode).
Device A1, B1 all use glass to be substrate, refractive index=1.55, and wherein device A1 is the structure not having Light outcoupling layer.The Light outcoupling layer of device B1 is MgF2/BCP.As can be seen from Figure 1, relatively without the device A1 of Light outcoupling layer, in whole current density range, the efficiency of device B1 improves 45%.
Visible, the organic electroluminescence device of the present invention has light and takes out respond well.Additionally, the organic electroluminescence device of the present invention also has, preparation technology is simple, the feature that luminescent spectrum is stable, device lifetime is good of device.
Finally should be noted that; above example is only in order to illustrate technical scheme rather than limiting the scope of the invention; although the present invention being explained in detail with reference to preferred embodiment; it will be understood by those within the art that; technical scheme can be modified or equivalent, without deviating from the spirit and scope of technical solution of the present invention.
Claims (10)
1. an organic electroluminescence device, it is characterized in that: be provided with substrate, be arranged at substrate side and fold anode, hole injection layer, hole transmission layer, luminescent layer, electron transfer layer, electron injecting layer and the negative electrode set successively, the another side of described substrate is folded successively is provided with two-layer or three layers of Light outcoupling layer.
Organic electroluminescence device the most according to claim 1, it is characterized in that: described Light outcoupling layer is set to two-layer, it is respectively the first Light outcoupling layer and the second Light outcoupling layer, the thickness of the first Light outcoupling layer being affixed with substrate is λ/2, thickness lambda/4 of folded the second Light outcoupling layer being located on the first Light outcoupling layer；λ value is when luminescent layer is monochromatic light, equal to monochromatic wavelength；λ value is multiple monochromatic light compound tenses at luminescent layer, equal to the meansigma methods of all monochromatic wavelengths.
Organic electroluminescence device the most according to claim 2, it is characterised in that: described first Light outcoupling layer is that inorganic material is prepared from, and refractive index is 1.7-1.9.
Organic electroluminescence device the most according to claim 3, it is characterised in that: described second Light outcoupling layer is inorganic material or organic material is prepared from.
Organic electroluminescence device the most according to claim 3, it is characterised in that: described second Light outcoupling layer is MgF2、LiF、SiO2Or PEDOT material.
Organic electroluminescence device the most according to claim 1, it is characterized in that: described Light outcoupling layer is set to three layers, it is respectively the first Light outcoupling layer, the second Light outcoupling layer and the 3rd Light outcoupling layer, the thickness of the first Light outcoupling layer being affixed with substrate is λ/4, thickness lambda/2 of folded the second Light outcoupling layer being located on the first Light outcoupling layer, thickness lambda/4 of folded the 3rd Light outcoupling layer being located on the second Light outcoupling layer；λ value is when luminescent layer is monochromatic light, equal to monochromatic wavelength；λ value is multiple monochromatic light compound tenses at luminescent layer, equal to the meansigma methods of all monochromatic wavelengths.
Organic electroluminescence device the most according to claim 6, it is characterized in that: described first Light outcoupling layer is inorganic or organic material is prepared from, described second Light outcoupling layer is organic material, refractive index is 1.7-1.9, and described 3rd Light outcoupling layer is inorganic or organic material is prepared from.
Organic electroluminescence device the most according to claim 6, it is characterised in that:
Described first Light outcoupling layer is MgF2Or PEDOT material, described second Light outcoupling layer is organic material, and refractive index is 1.7-1.9, and described 3rd Light outcoupling layer is MgF2Or PEDOT material.
Organic electroluminescence device the most according to claim 1, it is characterised in that:
A length of 380nm ~ the 499nm of transmitted wave of described luminescent layer, described Light outcoupling layer uses luminous organic material to be prepared from, and the transmitting wavelength of described luminous organic material is not 500 ~ 700nm.
Organic electroluminescence device the most according to claim 1, it is characterized in that: a length of 500nm ~ 599nm of transmitted wave of described luminescent layer, described Light outcoupling layer uses luminous organic material to be prepared from, and the transmitting wavelength of described luminous organic material is not 600 ~ 700nm.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106848096A (en) * | 2017-01-24 | 2017-06-13 | 上海大学 | The method that the taking-up of OLED luminescent devices light is improved by optical thin film |
| CN107170903A (en) * | 2017-06-01 | 2017-09-15 | 深圳市华星光电技术有限公司 | Panel display apparatus and its Top OLED |
| WO2021035960A1 (en) * | 2019-08-28 | 2021-03-04 | 武汉华星光电半导体显示技术有限公司 | Electroluminescent device and display device |
| US11430969B2 (en) | 2019-08-28 | 2022-08-30 | Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Electroluminescent component having metal layer disposed between two of optical coupling layers and display device having the same |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1897294A (en) * | 2005-07-13 | 2007-01-17 | 三星Sdi株式会社 | Flat panel display and method of manufacturing the same |
| CN102820433A (en) * | 2012-08-31 | 2012-12-12 | 昆山工研院新型平板显示技术中心有限公司 | Anti-reflection structure of organic light emitting diode (OLED) |
| CN102956838A (en) * | 2011-08-12 | 2013-03-06 | 佳能株式会社 | Organic electroluminescence element and apparatus using the element and light emitting element array |
| CN103633256A (en) * | 2013-12-13 | 2014-03-12 | 广州新视界光电科技有限公司 | Ladder anti-reflection structure type organic electroluminescence device and preparation method thereof |
| US20150070764A1 (en) * | 2013-09-10 | 2015-03-12 | Sumitomo Chemical Company, Limited | Method for producing laminated body |
| CN104466024A (en) * | 2014-12-23 | 2015-03-25 | 上海天马有机发光显示技术有限公司 | Optical member and an OLED displayer |
-
2016
- 2016-02-29 CN CN201610115599.2A patent/CN105720208A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1897294A (en) * | 2005-07-13 | 2007-01-17 | 三星Sdi株式会社 | Flat panel display and method of manufacturing the same |
| CN102956838A (en) * | 2011-08-12 | 2013-03-06 | 佳能株式会社 | Organic electroluminescence element and apparatus using the element and light emitting element array |
| CN102820433A (en) * | 2012-08-31 | 2012-12-12 | 昆山工研院新型平板显示技术中心有限公司 | Anti-reflection structure of organic light emitting diode (OLED) |
| US20150070764A1 (en) * | 2013-09-10 | 2015-03-12 | Sumitomo Chemical Company, Limited | Method for producing laminated body |
| CN103633256A (en) * | 2013-12-13 | 2014-03-12 | 广州新视界光电科技有限公司 | Ladder anti-reflection structure type organic electroluminescence device and preparation method thereof |
| CN104466024A (en) * | 2014-12-23 | 2015-03-25 | 上海天马有机发光显示技术有限公司 | Optical member and an OLED displayer |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106848096A (en) * | 2017-01-24 | 2017-06-13 | 上海大学 | The method that the taking-up of OLED luminescent devices light is improved by optical thin film |
| CN106848096B (en) * | 2017-01-24 | 2018-12-07 | 上海大学 | The method of OLED luminescent device light taking-up is improved by optical thin film |
| CN107170903A (en) * | 2017-06-01 | 2017-09-15 | 深圳市华星光电技术有限公司 | Panel display apparatus and its Top OLED |
| WO2018218715A1 (en) * | 2017-06-01 | 2018-12-06 | 深圳市华星光电半导体显示技术有限公司 | Flat panel display device and top oled thereof |
| US10461279B2 (en) | 2017-06-01 | 2019-10-29 | Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd | Top-OLEDs with multilayer output coupling unit and flat panel display devices using the same |
| WO2021035960A1 (en) * | 2019-08-28 | 2021-03-04 | 武汉华星光电半导体显示技术有限公司 | Electroluminescent device and display device |
| US11430969B2 (en) | 2019-08-28 | 2022-08-30 | Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Electroluminescent component having metal layer disposed between two of optical coupling layers and display device having the same |
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Application publication date: 20160629 |