CN1531377A - Organic electroluminescent devices - Google Patents
Organic electroluminescent devices Download PDFInfo
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- CN1531377A CN1531377A CNA031205941A CN03120594A CN1531377A CN 1531377 A CN1531377 A CN 1531377A CN A031205941 A CNA031205941 A CN A031205941A CN 03120594 A CN03120594 A CN 03120594A CN 1531377 A CN1531377 A CN 1531377A
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- organic light
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- emitting device
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Abstract
The invention relates to method for manufacturing non-volatile memory. First, a strip shape dielectric layer is formed on a base, a flush type bit line is formed in the substrate of both side of strip shape dielectric layer. Next, it makes patterning for the strip shape dielectric layer to form several massive dielectric layers. Then, a encoding mask layer is formed on the substrate, the strip dielectric layer is exposed. Then, it takes the encoding mask layer as a etching mask, removes a part of the exposed massive dielectric layer. After removing the encoding mask layer, a gate electric layer is formed on the substrate, then a word line is formed on the substrate.
Description
Technical field
The invention relates to a kind of electro photo-luminescent apparatus, refer to that especially a kind of being applicable to shows or illuminating Organic Light-Emitting Device.
Background technology
The useful life of Organic Light-Emitting Device element, the value to entire product had decisive influence; each big factory fourth of the twelve Earthly Branches invariably is sufficient with all strength except exploitation element film structure; more improve existing encapsulation procedure technology according to the properties of materials sustainable development; comprise the use of inserting drier etc. from the encapsulation cover plate material to borehole glass; it all is to be protection component internal electrode and luminescent material; make it not to be subjected to foreign object such as moisture, oxygen etc. to influence, and have chemistry or physical change phenomenon to produce.
Previous promising moisture, the oxygen etc. of preventing are to element internal electrode and luminescent material harmful effect, and the grease that various inertia were once arranged, dewaters pours into or add the proposal of drier element internal.For example Idemitsu Kosan (United States Patent (USP) 5962962) is in encapsulation process, inertia, the grease that dewaters poured into element internal, and sneak into drier in grease, and its shortcoming is processing procedure and is not suitable for volume production.And Pioneer (United States Patent (USP) 5882761) also once utilized the water absorption drier to absorb aqueous vapor.In addition, Motorola (United States Patent (USP) 5811177,5821692; 5874804) once proposed on component structure, to plate the suggestion of inert metal, inorganic protective film and macromolecule package isolation layer; but so manufacturing cost increases, and yield reduces, and is not suitable for volume production.And Electronics and Telecommunications Research Institute (United States Patent (USP) 6150187) also utilizes various manufacture methods to plate the anti-water layer of macromolecule to reach blocking oxygen or aqueous vapor.
Yet considering of all Prior Art encapsulation procedures is demand with the antioxygen waterproof all basically, and it is limited that it prolongs element effect in useful life, but cost and complexity significantly increase, and is not suitable for the demand of present Organic Light-Emitting Device element volume production.And in the present Organic Light-Emitting Device element manufacture process, in order not destroy element film, UV type curing agent is all used in sealing basically, less use heat curing-type curing agent.No matter but which kind of pattern the sclerosis adhesive that uses is, because of need after chemical reaction fabrication schedule, so in the process of reaction, and when using the Organic Light-Emitting Device element in the middle of it, very easily produce various free radicals, negative ions or organic gas-liquid, the object that this produced also can be as aqueous vapor or the oxygen, and element is produced to a certain degree influence.And all Prior Art encapsulation procedures, no matter which kind of encapsulation skill all can be used sealing, but all not becoming branch to use curing agent or free radical, negative ions or organic gas-liquid that the influence of component life is done at sealing improves or the influencing factor of preventing, is limited to prolong element effect in useful life.Therefore need badly want a kind of this to eliminate free radical, negative ions or the Organic Light-Emitting Device of organic gas-liquid and method for packing thereof, with demand in response to market.
The inventor whence originally in the spirit of positive invention, is urgently thought a kind of " Organic Light-Emitting Device " that can address the above problem because of in this, and several times research experiment is eventually to finishing the present invention.
Summary of the invention
Main purpose of the present invention is that a kind of Organic Light-Emitting Device is being provided, so that can reduce or reduce the infringement of radical pair Organic Light-Emitting Device, prolong the useful life of Organic Light-Emitting Device, reduce manufacturing cost, improve value of the product, improve the product yield, and lower the probability of Organic Light-Emitting Device display quality deterioration.
For reaching above-mentioned purpose, Organic Light-Emitting Device of the present invention is to comprise: a substrate; At least one first electrode that is positioned at substrate surface; At least one second electrode; At least one organic light emission circle matter layer that is positioned at this first electrode and this second electrode surface; One cover plate is to be positioned on second electrode surface; One adhesive layer is between cover plate and substrate, and surrounds this first electrode and this second electrode; And at least one free radical scavenger, be to be positioned on this substrate or this cover plate that surrounds for this adhesive layer, and between this substrate or this cover plate.
Wherein this substrate surface has a plurality of vertical bar shaped first electrodes.
Wherein this substrate surface has a plurality of vertical bar shaped second electrodes.
Wherein this vertical bar shaped first electrode and this vertical bar shaped second electrode are staggered.
Wherein be filled with inert gas between this cover plate and this substrate.
Wherein this sealing is sealing of ultraviolet light photopolymerization type or heat curing-type sealing.
Wherein this free radical scavenger also comprises at least a drier.
Wherein this free radical scavenger comprises the HALS composition, the organic or inorganic free radical scavenger.
Wherein this organic light emitting medium layer is a polymeric composition.
Wherein this free radical scavenger is positioned at the surface of cover plate.
The assemble method of Organic Light-Emitting Device of the present invention comprises a cover plate and is had at least one first electrode; At least one organic light emission circle matter layer, and the substrate of at least one second electrode binds with sealing, and a free radical scavenger is fixedly arranged between this cover plate and this substrate; Wherein this first electrode is between this second electrode and this substrate; This organic light emitting medium layer is between this first electrode and this second electrode; This first electrode and this second electrode are between this substrate and this cover plate; And this free radical scavenger is positioned at this cover plate or this substrate surface.
Wherein this substrate surface has a plurality of vertical bar shaped first electrodes.
Wherein this substrate surface has a plurality of vertical bar shaped second electrodes.
Wherein this vertical bar shaped first electrode and this vertical bar shaped second electrode are staggered.
Wherein also be contained between this cover plate and this substrate and be filled with inert gas.
Wherein this sealing is sealing of ultraviolet light photopolymerization type or heat curing-type sealing.
Wherein this free radical scavenger more comprises at least a drier.
Wherein this free radical scavenger comprises the HALS composition, the organic or inorganic free radical scavenger.
Wherein this free radical scavenger is positioned at the surface of cover plate.
Because structure of the present invention and method novelty can provide on the industry and utilize, and truly have the enhancement effect, so apply for patent of invention in accordance with the law.
Description of drawings
For allowing the auditor can more understand technology contents of the present invention, be described as follows especially exemplified by the Organic Light-Emitting Device preferred embodiment, wherein:
Fig. 1 is the schematic diagram of Organic Light-Emitting Device of the present invention.
Fig. 2 is the schematic diagram of the reaction of HALS compound Mulberry Extract.
Embodiment
Organic Light-Emitting Device of the present invention is to utilize free radical scavenger to catch to exhale remaining unreacted free radical, negative ions or organic gas-liquid by adhesive layer, to reduce this free radical, negative ions or organic gas-liquid for this responsive organic electric-excitation luminescent layer, or the further reaction of this arbitrary electrode layer (as negative electrode or anode) destroys, use to reduce and influence this organic electric-excitation luminescent layer efficient, the fraction defective of negative electrode or anode prolongs the life-span and the yield of Organic Light-Emitting Device.
The free radical scavenger composition of Organic Light-Emitting Device of the present invention can be fixedly arranged in the arbitrary position between this Organic Light-Emitting Device inner cover plate and substrate, is preferably the surface that is fixedly arranged in this cover plate or substrate, and is best for being fixedly arranged in the surface of this cover plate.The free radical scavenger composition of Organic Light-Emitting Device of the present invention can comprise any free radical scavenger, is preferably to comprise the HALS compound compositions.Organic Light-Emitting Device free radical scavenger of the present invention can optionally include other additives to increase function, or Organic Light-Emitting Device free radical scavenger of the present invention itself can have other function simultaneously, is preferably this free radical scavenger and is added with drier or oxygen agent for capturing.Organic Light-Emitting Device of the present invention can be any type of Organic Light-Emitting Device, is preferably active organic electroluminescent device or passive type Organic Light-Emitting Device.The tool first electrode base board surface of Organic Light-Emitting Device of the present invention is preferably and has a plurality of vertical bar shaped first electrodes or a plurality of vertical bar shapeds second electrode.The position is preferably staggered between this vertical bar shaped first electrode and this vertical bar shaped second electrode.Between the substrate and cover plate of Organic Light-Emitting Device of the present invention, can or be filled with gas-liquid, be preferably and be filled with inert gas for vacuum.The adhesive layer of Organic Light-Emitting Device of the present invention is unrestricted, can be the adhesive layer of heat curing-type polymerization or the adhesive layer of uv photopolymerization, is preferably the adhesive layer of uv photopolymerization.The organic light emitting medium layer of Organic Light-Emitting Device of the present invention is unrestricted, can be polymeric composition or micromolecular composition.
Please refer to Fig. 1 of the present invention, Fig. 1 is a preferable example of Organic Light-Emitting Device of the present invention.This Organic Light-Emitting Device is for including the adhesive layer 300 (ultraviolet light adhesive layer) that substrate 100, one cover plates, 200, one free radical scavenger compositions 220 and are positioned at 200 of this substrate 100 (glass substrate) and cover plates.Wherein this substrate 200 is one to have a plurality of parallel anode electrodes 110 (TTO electrode), a plurality of parallel cathode electrodes 120 (chromium electrode), organic electric-excitation luminescent layer 130, and the substrate 100 of electric hole transfer layer 140; And should electricity hole transfer layer 140 between this a plurality of parallel anode electrode 110 and this organic electric-excitation luminescent layer 130, this organic electric-excitation luminescent layer 130 is between these electricity hole transfer layer 140 parallel cathodic electricity polar curves 120 with this, and this anode electrode 110 is the surfaces that are positioned at this substrate 100.This free radical scavenger composition 220 is to attach to be fixedly arranged in the depression 210 of this cover plate 200, to absorb and to eliminate 300 residual or give out free radicals of this adhesive layer.In this preferable example, this free radical scavenger composition 220 is one to comprise the free radical scavenger of HALS compound.This free radical scavenger 220 absorbs the boundary in the free radical of 100 of cover plate 200 and substrates except eliminating, and also can optionally optionally add other drier to absorb moisture simultaneously outside free radical scavenger (HALS compound).The reaction of this HALS compound Mulberry Extract can be represented with Fig. 2 roughly.And between cover plate and the substrate, after extracting gas, be close under the situation of vacuum, be filled with dry inert gas, to reduce the influence of other gases.
Organic Light-Emitting Device of the present invention is because device has free radical scavenger in the cavity of display base plate, be to exhale remaining unreacted free radical by adhesive layer can utilize free radical scavenger to catch, negative ions or organic gas-liquid, to reduce this free radical, negative ions or organic gas-liquid are for this responsive organic electric-excitation luminescent layer, or the further reaction of this arbitrary electrode layer (as negative electrode or anode) destroys, to reduce this organic electric-excitation luminescent layer, the fraction defective of negative electrode or anode, lower the infringement of radical pair Organic Light-Emitting Device, prolong the useful life of Organic Light-Emitting Device, and lower the probability of Organic Light-Emitting Device display quality deterioration.
In sum, no matter the present invention all is different from the feature of prior art with regard to purpose, means and effect, is a quantum jump of " Organic Light-Emitting Device ".Only it should be noted that above-mentioned many embodiment give an example for convenience of explanation, the interest field that the present invention advocated should be as the criterion so that claim is described certainly, but not only limits to the foregoing description.
Claims (19)
1. an Organic Light-Emitting Device is characterized in that, is to comprise:
One substrate;
At least one first electrode that is positioned at substrate surface;
At least one second electrode;
At least one organic light emitting medium layer that is positioned at this first electrode and this second electrode surface;
One cover plate is to be positioned on second electrode surface;
One adhesive layer is between cover plate and substrate, and surrounds this first electrode and this second electrode; And
At least one free radical scavenger is to be positioned on this substrate or this cover plate that surrounds for this adhesive layer, and between this substrate or this cover plate;
2. Organic Light-Emitting Device as claimed in claim 1 is characterized in that, wherein this substrate surface has a plurality of vertical bar shaped first electrodes.
3. Organic Light-Emitting Device as claimed in claim 1 is characterized in that, wherein this substrate surface has a plurality of vertical bar shaped second electrodes.
4. Organic Light-Emitting Device as claimed in claim 1 is characterized in that, wherein this vertical bar shaped first electrode and this vertical bar shaped second electrode are staggered.
5. Organic Light-Emitting Device as claimed in claim 1 is characterized in that, wherein is filled with inert gas between this cover plate and this substrate.
6. Organic Light-Emitting Device as claimed in claim 1 is characterized in that, wherein this sealing is sealing of ultraviolet light photopolymerization type or heat curing-type sealing.
7. Organic Light-Emitting Device as claimed in claim 1 is characterized in that wherein this free radical scavenger also comprises at least a drier.
8. Organic Light-Emitting Device as claimed in claim 1 is characterized in that wherein this free radical scavenger comprises the HALS composition, the organic or inorganic free radical scavenger.
9. Organic Light-Emitting Device as claimed in claim 1 is characterized in that, wherein this organic light emitting medium layer is a polymeric composition.
10. Organic Light-Emitting Device as claimed in claim 1 is characterized in that wherein this free radical scavenger is positioned at the surface of cover plate.
11. the assemble method of an Organic Light-Emitting Device is characterized in that, comprises a cover plate and is had at least one first electrode; At least one organic light emitting medium layer, and the substrate of at least one second electrode binds with sealing, and a free radical scavenger is fixedly arranged between this cover plate and this substrate;
Wherein this first electrode is between this second electrode and this substrate;
This organic light emitting medium layer is between this first electrode and this second electrode;
This first electrode and this second electrode are between this substrate and this cover plate; And this free radical scavenger is positioned at this cover plate or this substrate surface.
12. the assemble method of Organic Light-Emitting Device as claimed in claim 11 is characterized in that, wherein this substrate surface has a plurality of vertical bar shaped first electrodes.
13. the assemble method of Organic Light-Emitting Device as claimed in claim 11 is characterized in that, wherein this substrate surface has a plurality of vertical bar shaped second electrodes.
14. the assemble method of Organic Light-Emitting Device as claimed in claim 11 is characterized in that, wherein this vertical bar shaped first electrode and this vertical bar shaped second electrode are staggered.
15. the assemble method of Organic Light-Emitting Device as claimed in claim 11 is characterized in that, wherein also is contained between this cover plate and this substrate and is filled with inert gas.
16. the assemble method of Organic Light-Emitting Device as claimed in claim 11 is characterized in that, wherein this sealing is sealing of ultraviolet light photopolymerization type or heat curing-type sealing.
17. the assemble method of Organic Light-Emitting Device as claimed in claim 11 is characterized in that, wherein this free radical scavenger more comprises at least a drier.
18. the assemble method of Organic Light-Emitting Device as claimed in claim 11 is characterized in that, wherein this free radical scavenger comprises the HALS composition, the organic or inorganic free radical scavenger.
19. the assemble method of Organic Light-Emitting Device as claimed in claim 11 is characterized in that, wherein this free radical scavenger is positioned at the surface of cover plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA031205941A CN1531377A (en) | 2003-03-14 | 2003-03-14 | Organic electroluminescent devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA031205941A CN1531377A (en) | 2003-03-14 | 2003-03-14 | Organic electroluminescent devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1531377A true CN1531377A (en) | 2004-09-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA031205941A Pending CN1531377A (en) | 2003-03-14 | 2003-03-14 | Organic electroluminescent devices |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105694863A (en) * | 2010-04-09 | 2016-06-22 | 日立化成株式会社 | Spherical phosphor, sealing material for wavelength conversion solar battery, solar battery module and method for producing same |
-
2003
- 2003-03-14 CN CNA031205941A patent/CN1531377A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105694863A (en) * | 2010-04-09 | 2016-06-22 | 日立化成株式会社 | Spherical phosphor, sealing material for wavelength conversion solar battery, solar battery module and method for producing same |
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