CN103933657A - Medical catheter based on organic light emitting device - Google Patents
Medical catheter based on organic light emitting device Download PDFInfo
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- CN103933657A CN103933657A CN201410172183.5A CN201410172183A CN103933657A CN 103933657 A CN103933657 A CN 103933657A CN 201410172183 A CN201410172183 A CN 201410172183A CN 103933657 A CN103933657 A CN 103933657A
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- mozzle
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Abstract
The invention relates to an organic light emitting device, in particular to a flexible organic light emitting device which is high in efficiency and emits light on the top, and belongs to the technical field of medical illumination. A medical catheter comprises a catheter body and a plurality of light emitting units. Each light emitting unit comprises a metal anode, an m-MTDAT hole injection layer, an NPB:Alq3 hole transport layer, a DPVBi:DCJTB light emitting layer, a DPVBi light emitting layer, a TPBi:Ir(ppy)3 electron transport layer, a LiF/Al electron injection layer, an ITO auxiliary electrode and a high-transmissivity insulating encapsulation layer. The light emitting units are plated on the catheter body side by side at intervals through the metal anodes. The medical catheter with a light emitting function is formed through power supply drive. The light emitting units are small in area, bending capacity of the catheter is not influenced due to the fact that the light emitting units are distributed at intervals, by means of distribution of the organic plane light emitting device, illumination brightness in each direction is good and can be adjusted, and the requirements of operation illumination can be well met.
Description
Technical field
The present invention relates to a kind of organic luminescent device, refer more particularly to a kind of high efficiency employing and push up luminous flexible organic luminescent device, belong to medical illuminator field.
Background technology
When doctor carries out the interior operation of body at present, all adopt shadowless lamp illumination, wound is funneling substantially all, and shadowless lamp often cannot meet the needs of the backlighted angle of wound and brightness, and doctor's visual angle is restricted, thereby is directly connected to the quality of operation.And while performing the operation, often need to be inserted into a mozzle in body, the present invention utilize make that some art designs of organic light-emitting device are a kind of can illuminated mozzle, can meet wound interior lighting needs.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, the object of the present invention is to provide a kind ofly based on the medical mozzle of organic light-emitting device, this mozzle inserts wound when inner, can meet wound interior lighting needs.
The technical solution used in the present invention is:
Based on the medical mozzle of organic light-emitting device, comprise mozzle and several luminescence units, described luminescence unit comprises metal anode, m-MTDAT hole injection layer, NPB:Alq
3hole transmission layer, DPVBi:DCJTB luminescent layer, DPVBi luminescent layer, TPBi:Ir (ppy)
3electron transfer layer, LiF/Al electron injecting layer, ITO auxiliary electrode and high-transmission rate insulating sealed layer, described some luminescence units are plated on mozzle with a determining deviation side by side by metal anode, form the medical mozzle with luminous power by power drives.
As preferably, described metal anode adopts thin fluorographite (CF)
ncover Ag, for revising reflectance.
As preferably, described DPVBi:DCJTB luminescent layer, DPVBi luminescent layer is two-layer is the DCJTB that infiltration doping mass fraction is 0.1% on the DPVBi of 30nm layer, and doping depth is 15nm, and described DPVBi light emitting layer thickness is 15nm.
As preferably, described TPBi:Ir(ppy)
3electron transfer layer adopts the Ir (ppy) that TPBi doping mass fraction is 6%
3, the thickness of this layer is 30nm.
As preferably, the described single luminescence unit area based on the medical mozzle of flexible organic light-emitting device is about 1.2cm
2, the spacing with 5mm is evenly arranged in mozzle surface successively, and a new mixed luminescence unit that two luminescence units can be utilized P-N to connect the formation of series connection evaporation replaces original single luminescence unit.
Beneficial effect of the present invention is:
1, the present invention can make up the deficiency that shadowless lamp can not shine wound inside, good illumination effect, and mozzle has fine pliability, is well positioned to meet doctor for the visual demand of wound inside different angles.
2, utilize bottom-emission organic luminescent device principle; adopt two waveband white light structure; in luminescent layer doping, improve the Organic substance of luminous efficiency; make the high-efficiency organic luminescent device of certain flexibility; this can have good waterproof and anoxybiotic effect by luminous medical mozzle, can replace common medical mozzle;
3, the luminescence unit area in the present invention is little, and arrange at certain intervals and do not affect the crooking ability of mozzle, this luminous organic light-emitting device distributed arrangement, in all directions, brightness of illumination is all fine, and brightness scalable, well meets the demand that operation is thrown light on.
Accompanying drawing explanation
Below in conjunction with accompanying drawing and embodiment, the invention will be further described.
Fig. 1: based on the single luminescence unit structure chart in organic light-emitting device medical mozzle surface;
Fig. 2: based on the medical mozzle surface light emitting of organic light-emitting device cell distribution figure;
Two train luminescence unit schematic diagrams that luminescence unit series connection evaporation forms of Fig. 3: Fig. 1.
In accompanying drawing, 1, medical mozzle; 2, metal anode; 3, m-MTDAT hole injection layer; 4, NPB:Alq
3hole transmission layer; 5, DPVBi:DCJTB luminescent layer; 6, DPVBi luminescent layer; 7, TPBi:Ir (ppy)
3electron transfer layer; 8, LiF/Al electron injecting layer; 9, ITO auxiliary electrode; 10, high-transmission rate insulating sealed layer; 11: metal anode, m-MTDAT hole injection layer, NPB:Alq
3hole transmission layer, DPVBi:DCJTB luminescent layer, DPVBi luminescent layer, TPBi:Ir (ppy)
3the part that electron transfer layer, LiF/Al electron injecting layer and ITO auxiliary electrode form; 12:m-MTDAT hole injection layer, NPB:Alq
3hole transmission layer, DPVBi:DCJTB luminescent layer, DPVBi luminescent layer, TPBi:Ir (ppy)
3the part that electron transfer layer and LiF/Al electron injecting layer form; 13 is MoO
3contact membrane.
Below in conjunction with structure of the present invention and operation principle, elaborate:
As shown in Figure 1, the single luminescence unit based on the medical mozzle of organic light-emitting device, comprises medical mozzle 1; Metal anode 2; M-MTDAT hole injection layer 3; NPB:Alq
3hole transmission layer 4; DPVBi:DCJTB luminescent layer 5; DPVBi luminescent layer 6; TPBi:Ir (ppy)
3electron transfer layer 7; LiF/Al electron injecting layer 8; ITO auxiliary electrode 9; High-transmission rate insulating sealed layer 10, described metal anode 2 evaporations are on medical mozzle 1 surface; Described DPVBi:DCJTB luminescent layer 5 is that DCJTB is entrained in DPCBi with 1% mass fraction, the DPVBi part that described DPVBi luminescent layer 6 is the DCJTB that do not adulterate.
As shown in Figure 2, based on the medical mozzle of organic light-emitting device, luminescence unit is with certain mozzle surface that is spaced at.
As shown in Figure 3, the luminescence unit shown in two Fig. 1 utilizes P-N contact to adopt tandem evaporation, forms a new train luminescence unit, and P-N contact membrane adopts MoO
3thin film, this series connection has improved brightness greatly, to meet the needs of different surgical environments.
Of the present invention as follows based on the medical mozzle operation principle of organic light-emitting device:
In single luminescence unit, metal anode 2 is received the anode of power supply, and ITO auxiliary electrode 9 is received power cathode, and m-MTDAT hole injection layer 3 injected holes after energising, pass through NPB:Alq
3hole transmission layer 4 is transferred to DPVBi:DCJTB luminescent layer 5 and DPVBi luminescent layer 6, and LiF/Al electron injecting layer 8 is to TPBi:Ir(ppy)
3electron transfer layer 7 injects electronics and is transferred to DPVBi:DCJTB luminescent layer 5 and DPVBi luminescent layer 6, hole and electronics are combined into exciton in two luminescent layers, using DVBPi as blue light emitting material and red light-emitting main body, DCJTB is as red dye, from DPVBi:DCJTB luminescent layer 5, mainly send orange coloured light, DPVBi luminescent layer 6 mainly sends blue light, after mixing, produce white light, there is high light effect, part white light is gone out by top emission of cathode, another part is launched from cathode top after launching by anode, thereby reach the effect of mozzle illumination.Described NPB:Alq
3the Alq that hole transmission layer 4 adulterates in NPB layer
3there is to scattering process in hole, reduces the mobility in hole, reduce quencher.Described TPBi:Ir (ppy)
3electron transfer layer 7 utilizes Ir (ppy)
3doping has improved the mobility adjustment electronics of electronics and the balance in hole, and exciton is limited in DPVBi:DCJTB luminescent layer 5 and DPVBi luminescent layer 6 effectively, has improved luminous efficiency.Such luminescence unit is arranged in mozzle outside with the spacing parallel arranging of 3 ~ 5mm left and right, little on the impact of mozzle degree of crook, and can meet the enough visual range demands of doctor.
embodiment 1
In the medical mozzle structure of organic light-emitting device, described metal anode 2 adopts thin fluorographite (CF)
ncover Ag, revise reflectance; Described m-MTDAT hole injection layer 3 thickness are 40nm; Described NPB:Alq3 hole transmission layer 4 adopts the Alq of NPB doping 3%
3, its thickness is 40nm; Described DPVBi:DCJTB luminescent layer 5 adopts the DCJTB of DPVB doping 0.1%, and thickness is 15nm; Described DPVBi light emitting layer thickness is 15nm; Described TPBi:Ir(ppy)
3electron transfer layer 7 adopts the Ir (ppy) of TPBi doping 6%
3, thickness is 30nm; Described high-transmission rate insulating sealed layer 10 is superpower Obstruct membranes of gradual change that SiOxNy/SiOxCy composite membrane develops out; Described LiF/Al electron injecting layer is that thickness is the LiF of 0.5nm and the Al mixed layer of 0.3nm.
Described single luminescence unit area is 1.2cm
2, the spacing with 3mm is evenly arranged in mozzle surface successively, and these luminescence units are in parallel, with the superpower Obstruct membrane of gradual change, these luminescence units is encapsulated, and adopts 3～12V voltage to drive, adjustable brightness.
embodiment 2
In the medical mozzle structure of organic light-emitting device, described metal anode 2 adopts thin fluorographite (CF)
ncover Ag, revise reflectance; Described m-MTDAT hole injection layer 3 thickness are 40nm; Described NPB:Alq3 hole transmission layer 4 adopts the Alq of NPB doping 3%
3, thickness is 40nm; Described DPVBi:DCJTB luminescent layer 5 adopts the DCJTB of DPVB doping 0.1%, and thickness is 15nm; Described DPVBi light emitting layer thickness is 15nm; Described TPBi:Ir(ppy)
3electron transfer layer 7 adopts the Ir (ppy) of TPBi doping 6%
3, thickness is 30nm; Described high-transmission rate insulating sealed layer 10 is superpower Obstruct membranes of gradual change that SiOxNy/SiOxCy composite membrane develops out; Described LiF/Al electron injecting layer is that thickness is the LiF of 0.5nm and the Al mixed layer of 0.3nm.
Utilize P-N contact to adopt tandem evaporation two described luminescence units, form a new train luminescence unit, this train luminescence unit area is about 1.2cm
2, the spacing with 5mm is evenly arranged in mozzle surface successively, and these unit are in parallel, with the superpower Obstruct membrane of gradual change, these luminescence units is encapsulated, and this structure can improve brightness of illumination greatly, adopts 3～12V voltage to drive, adjustable brightness.
Above embodiment is one of preferred version in all schemes of the present invention; other is to the simple change based on the medical mozzle structure of organic light-emitting device; the string the type of drive that comprise each luminescence unit, 2 above luminescence units are composed in series new luminescence unit and all belong to the scope that the present invention protects.
Claims (6)
1. based on the medical mozzle of organic light-emitting device, comprise mozzle (1) and several luminescence units, it is characterized in that, described luminescence unit comprises metal anode (2), m-MTDAT hole injection layer (3), NPB:Alq
3hole transmission layer (4), DPVBi:DCJTB luminescent layer (5), DPVBi luminescent layer (6), TPBi:Ir (ppy)
3electron transfer layer (7), LiF/Al electron injecting layer (8), ITO auxiliary electrode (9) and high-transmission rate insulating sealed layer (10), it is upper that described some luminescence units are plated in mozzle (1) by metal anode (2) side by side with a determining deviation, forms the medical mozzle with luminous power by power drives.
2. according to claim 1ly based on flexible organic light-emitting device mozzle, it is characterized in that, described metal anode (2) surface adopts thin fluorographite (CF)
nag metal is covered, for revising reflectance.
3. according to claim 1 based on flexible organic light-emitting device mozzle, it is characterized in that, described DPVBi:DCJTB luminescent layer (5) and DPVBi luminescent layer (6) are two-layer is the DCJTB that infiltration doping mass fraction is 0.1% on the DPVBi of 30nm layer, and doping depth is 15nm.
4. according to claim 1ly based on flexible organic light-emitting device mozzle, it is characterized in that described TPBi:Ir (ppy)
3electron transfer layer (7) adopts the Ir (ppy) that TPBi doping mass fraction is 6%
3, thickness is 30nm.
5. according to claim 1ly based on flexible organic light-emitting device mozzle, it is characterized in that, the area of single luminescence unit is 1.2cm
2, with the spacing of 3-5mm, be evenly arranged in successively the surface of mozzle (1).
6. according to claim 1 based on flexible organic light-emitting device mozzle, it is characterized in that, two luminescence units utilize P-N to connect the new train luminescence unit that series connection evaporation forms, and for replacing single luminescence unit, the thin film of described P-N contact adopts MoO
3thin film (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410172183.5A CN103933657A (en) | 2014-04-28 | 2014-04-28 | Medical catheter based on organic light emitting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410172183.5A CN103933657A (en) | 2014-04-28 | 2014-04-28 | Medical catheter based on organic light emitting device |
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| CN103933657A true CN103933657A (en) | 2014-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410172183.5A Pending CN103933657A (en) | 2014-04-28 | 2014-04-28 | Medical catheter based on organic light emitting device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2554469A (en) * | 2016-09-30 | 2018-04-04 | Sumitomo Chemical Co | Organic optoelectronic device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101163359A (en) * | 2007-11-14 | 2008-04-16 | 清华大学 | Organic electroluminescent device |
| US20100244666A1 (en) * | 2006-08-30 | 2010-09-30 | Sumitomo Chemical Company, Limited | Organic electroluminescence element |
| CN202096582U (en) * | 2011-06-07 | 2012-01-04 | 中国人民解放军第三军医大学第三附属医院 | Intraoperative deep illuminating and attracting system |
| CN203971159U (en) * | 2014-04-28 | 2014-12-03 | 杭州爱光医疗器械有限公司 | Based on the medical mozzle of organic light-emitting device |
-
2014
- 2014-04-28 CN CN201410172183.5A patent/CN103933657A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100244666A1 (en) * | 2006-08-30 | 2010-09-30 | Sumitomo Chemical Company, Limited | Organic electroluminescence element |
| CN101163359A (en) * | 2007-11-14 | 2008-04-16 | 清华大学 | Organic electroluminescent device |
| CN202096582U (en) * | 2011-06-07 | 2012-01-04 | 中国人民解放军第三军医大学第三附属医院 | Intraoperative deep illuminating and attracting system |
| CN203971159U (en) * | 2014-04-28 | 2014-12-03 | 杭州爱光医疗器械有限公司 | Based on the medical mozzle of organic light-emitting device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2554469A (en) * | 2016-09-30 | 2018-04-04 | Sumitomo Chemical Co | Organic optoelectronic device |
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Application publication date: 20140723 |