CN108832018A - A kind of organic luminescent device, display screen and display with enhancing sealing effect - Google Patents
A kind of organic luminescent device, display screen and display with enhancing sealing effect Download PDFInfo
- Publication number
- CN108832018A CN108832018A CN201810644800.5A CN201810644800A CN108832018A CN 108832018 A CN108832018 A CN 108832018A CN 201810644800 A CN201810644800 A CN 201810644800A CN 108832018 A CN108832018 A CN 108832018A
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- Prior art keywords
- baffle
- substrate
- top electrodes
- luminescent layer
- luminescent device
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Classifications
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/84—Passivation; Containers; Encapsulations
-
- 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
- H10K50/84—Passivation; Containers; Encapsulations
- H10K50/842—Containers
- H10K50/8426—Peripheral sealing arrangements, e.g. adhesives, sealants
-
- 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
- H10K50/84—Passivation; Containers; Encapsulations
- H10K50/844—Encapsulations
Abstract
This application provides a kind of organic luminescent devices with enhancing sealing effect, wherein the device includes：Substrate, the bottom electrode above the substrate, the luminescent layer above the bottom electrode, the top electrodes above the luminescent layer, positioned at the top electrodes ring of the luminescent layer surrounding, positioned at the top electrodes ring surrounding and the baffle that is closely coupled on the substrate, and be covered in the sealant above the substrate, the baffle, the top electrodes and the top electrodes ring.The embodiment of the present application is by being arranged the baffle that multiple closings connect in top electrodes ring surrounding, baffle is connect with substrates into intimate, its closed baffle increases the path length that vapor and oxygen penetrate into luminescent layer from the section of organic luminescent device, it reduces vapor and oxygen and penetrates into the probability of luminescent layer from sealant side, and reduce the probability of sealant rupture.
Description
Technical field
This application involves the technical field of sealing technology of organic luminescent device, have enhancing sealing effect in particular to one kind
Organic luminescent device, display screen and the display of fruit.
Background technique
Organic luminescent device usually utilizes the electroluminescent feature of luminous organic material to manufacture, but organic light emission material
Material is very unstable under Atmospheric Condition, and water vapour and oxygen in atmosphere can make luminous organic material go bad, fail, cannot
It shines, therefore the means of certain isolation water oxygen must be taken using the organic luminescent device of luminous organic material manufacture.
At this stage using the organic or inorganic for making some compact structures on organic light emitting material in commercial processes
Sealant obstructs water oxygen, can generally cut to entire substrate after completing sealing technology, monolith substrate is cut into
Several single independent organic luminescent devices, organic luminescent device will form four sections, and sealant is vertically cut off,
Theoretically if sealant structural integrity, water vapour and oxygen are hardly penetrated into from section part, but since sealant is cut off,
Existing defects in sealant structure, water vapour and oxygen are very big a possibility that section part penetrates into, sometimes even from 4 section parts
It penetrates into simultaneously, the luminous zone of organic luminescent device will, failure rotten simultaneously from four direction.
Summary of the invention
In view of this, being designed to provide for the application is a kind of with the organic luminescent device, the display that enhance sealing effect
Screen and display, to enhance the sealing effect of organic luminescent device.
In a first aspect, the embodiment of the present application provides a kind of organic luminescent device with enhancing sealing effect, including：
Substrate, the bottom electrode above the substrate, the luminescent layer above the bottom electrode, be located at it is described
Top electrodes above luminescent layer, positioned at the luminescent layer surrounding top electrodes ring, be located at the top electrodes ring surrounding and
The baffle being closely coupled on the substrate, and it is covered in the substrate, the baffle, the top electrodes and the top
Sealant above electrode retaining collar.
With reference to first aspect, the embodiment of the present application provides the first possible embodiment of first aspect, wherein
The baffle is multiple.
With reference to first aspect, the embodiment of the present application provides second of possible embodiment of first aspect, wherein
The baffle plate setting is multilayer.
Second of possible embodiment of the possible embodiment of with reference to first aspect the first or first aspect,
The embodiment of the present application provides the third possible embodiment of first aspect, wherein
The baffle is interconnected to form the mesh pattern of any enclosed.
With reference to first aspect, the embodiment of the present application provides the 4th kind of possible embodiment of first aspect, wherein
The height and the width range of the baffle is
With reference to first aspect, the embodiment of the present application provides the 5th kind of possible embodiment of first aspect, wherein
The baffle is closely connect by photolithography method or nano-imprinting method with the surface of the substrate.
With reference to first aspect, the embodiment of the present application provides the 6th kind of possible embodiment of first aspect, wherein
The material of the baffle is photoresist or metal.
With reference to first aspect, the embodiment of the present application provides the 7th kind of possible embodiment of first aspect, wherein
The baffle is straight line or curve.
Second aspect, the embodiment of the present application also provides a kind of display screens, including,
Organic luminescent device, the organic luminescent device include substrate, the bottom electrode above the substrate, are located at
Luminescent layer above the bottom electrode, top electrodes above the luminescent layer, positioned at the top of the luminescent layer surrounding
Portion's electrode retaining collar, positioned at the top electrodes ring surrounding and the baffle that is closely coupled on the substrate, and be covered in the base
Sealant above plate, the baffle, the top electrodes and the top electrodes ring.
In conjunction with the third aspect, the embodiment of the present application also provides a kind of displays, including display screen described in second aspect.
A kind of organic luminescent device, display screen and display with enhancing sealing effect provided by the embodiments of the present application,
By the way that multiple baffles connecting with substrates into intimate are arranged in top electrodes ring surrounding, baffle is interconnected to form the net of any enclosed
Shape figure, " inlaying " are only arranged sealant with organic luminescent device in the prior art and are sealed layer progress in sealant
Sealing is compared, and the baffle for being interconnected to form any enclosed mesh pattern not only increases vapor and oxygen from organic illuminator
The section of part penetrates into the path length of luminescent layer, and reduces vapor and oxygen and penetrate into luminescent layer from sealant side
Probability, also reduce sealant rupture probability.
To enable the above objects, features, and advantages of the application to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate
Appended attached drawing, is described in detail below.
Detailed description of the invention
Technical solution in ord to more clearly illustrate embodiments of the present application, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only some embodiments of the application, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 shows a kind of side view of the organic luminescent device with enhancing sealing effect provided by the embodiment of the present application
Figure；
Fig. 2 shows a kind of vertical views of organic luminescent device with enhancing sealing effect provided by the embodiment of the present application
Figure；
Fig. 3 shows a kind of grid of the organic luminescent device with enhancing sealing effect provided by the embodiment of the present application
Pictorial diagram；
Fig. 4 shows the net that another kind provided by the embodiment of the present application has the organic luminescent device of enhancing sealing effect
Lattice pictorial diagram；
Fig. 5 shows the net that another kind provided by the embodiment of the present application has the organic luminescent device of enhancing sealing effect
Lattice pictorial diagram.
Main element symbol description：101, sealant；102, top electrodes；103, luminescent layer；104, top electrodes ring；
105, baffle；106, substrate；107, bottom electrode；301, hexagon；401, triangle；501, rectangle.
Specific embodiment
To keep the purposes, technical schemes and advantages of the embodiment of the present application clearer, below in conjunction with the embodiment of the present application
Middle attached drawing, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described embodiment is only
It is some embodiments of the present application, instead of all the embodiments.The application being usually described and illustrated herein in the accompanying drawings is real
The component for applying example can be arranged and be designed with a variety of different configurations.Therefore, below to the application's provided in the accompanying drawings
The detailed description of embodiment is not intended to limit claimed scope of the present application, but is merely representative of the selected reality of the application
Apply example.Based on embodiments herein, those skilled in the art institute obtained without making creative work
There are other embodiments, shall fall in the protection scope of this application.
In view of in the production technology of organic luminescent device, cutting process can cut off in the vertical direction of substrate and seal
Layer, vapor and oxygen can make luminous organic material go bad, failure from the luminescent layer that section penetrates into organic luminescent device,
Based on this, the embodiment of the present application provides a kind of organic luminescent device, display screen and display with enhancing sealing effect, under
Face is described by embodiment.
In the embodiment of the present application, multiple baffle plate settings are connect in top electrodes ring surrounding and with substrates into intimate, baffle phase
It connects to form the mesh pattern of any enclosed, covers sealant above substrate, baffle, top electrodes and top electrodes ring,
In the sealant, the embodiment of the present application is sealed baffle using baffle and sealant, compared with the prior art in it is organic
Luminescent device is sealed just with sealant, is not only increased vapor and oxygen and is permeated from the section of organic luminescent device
To the path length of luminescent layer, and the probability that vapor and oxygen penetrate into luminescent layer from sealant side is reduced, also
Reduce the probability of sealant rupture.
Embodiment one
The embodiment of the present application one provides a kind of organic luminescent device with enhancing sealing effect, such as Fig. 1 and Fig. 2 institute
Show, including：
Substrate 106, the bottom electrode 107 above the substrate 106, the hair above the bottom electrode 107
Photosphere 103, the top electrodes 102 above the luminescent layer 103, positioned at the top electrodes ring of 103 surrounding of luminescent layer
104, positioned at 104 surrounding of top electrodes ring and the baffle 105 that is closely coupled on the substrate 106, and it is covered in institute
State the sealant 101 of substrate 106,104 top of the baffle 105, the top electrodes 102 and the top electrodes ring；
Optionally, the baffle 105 is multiple；
Inner space is formed among the mesh pattern, the inner space is filled by the sealant 101；
The sealant 101 generallys use inorganic thin film and organic film alternate combinations, and common inorganic thin film is generally
Al2O3、SiOx、SiNx, MgO, TiO2Etc. comparatively dense film, common organic film is generally Parylene, hexamethyl
The organic polymers such as two silicon ethers, polyethylene terephthalate, organic crylic acid rouge；
Optionally, the baffle 105 is set as multilayer；
Optionally, the baffle 105 is interconnected to form the mesh pattern of any enclosed；
The mesh pattern can also use a variety of different figures all using identical figure.For convenience
The production of mesh pattern, in technique figure generally use hexagon 301 as shown in Figure 3, triangle 401 as shown in Figure 4 or
Person's one of rectangle 501 as shown in Figure 5；
Optionally, the height and the width range of the baffle 105 is
Optionally, the baffle 105 is close by the surface of photolithography method or nano-imprinting method and the substrate 106
Connection；
Optionally, the material of the baffle 105 is photoresist or metal；
Optionally, the baffle 105 is straight line or curve.
Embodiment two
The embodiment of the present application two provides a kind of display screen, including,
Organic luminescent device, the organic luminescent device include substrate 106, the bottom electricity above the substrate 106
Pole 107, the luminescent layer 103 above the bottom electrode 107, top electrodes 102 above the luminescent layer 103,
Positioned at the top electrodes ring 104 of 103 surrounding of luminescent layer, positioned at 104 surrounding of top electrodes ring and it is closely coupled to institute
The baffle 105 on substrate 106 is stated, and is covered in the substrate 106, the baffle 105, top electrodes 102 and described
The sealant 101 of 104 top of top electrodes ring；
Optionally, the baffle 105 is multiple, and the closing of baffle 105 connection, multiple baffles 105 are in the base
The hexagon 301 of several periodic arrangements is formed on plate 106, as shown in Figure 3；
Optionally, the range of the height and the width of the baffle 105 is
Optionally, the baffle 105 is photoresist material；
Optionally, the baffle 105 is closely connect by photolithography method with the surface of the substrate 106.
Embodiment three
The embodiment of the present application three provides a kind of display screen, including,
Organic luminescent device, the organic luminescent device include substrate 106, the bottom electricity above the substrate 106
Pole 107, the luminescent layer 103 above the bottom electrode 107, top electrodes 102 above the luminescent layer 103,
Positioned at the top electrodes ring 104 of 103 surrounding of luminescent layer, positioned at 104 surrounding of top electrodes ring and it is closely coupled to institute
The baffle 105 on substrate 106 is stated, and is covered in the substrate 106, the baffle 105, top electrodes 102 and described
The sealant 101 of 104 top of top electrodes ring；
Optionally, the baffle 105 is set as multilayer, and every layer of baffle 105 is connected with each other, and the baffle 105 is in institute
It states and forms closed square shape figure on substrate 106；
Optionally, the range of the height and the width of the baffle 105 is
Optionally, the baffle 105 is photoresist material；
Optionally, the baffle 105 is closely connect by photolithography method with the surface of the substrate 106.
Example IV
The embodiment of the present application four provides a kind of display, including, display screen, the display screen includes organic illuminator
Part, the organic luminescent device include substrate 106, the bottom electrode 107 above the substrate 106, are located at the bottom
The luminescent layer 103 of the top of electrode 107, top electrodes 102 positioned at the luminescent layer 103 above, positioned at the luminescent layer 103 4
The top electrodes ring 104 in week, positioned at 104 surrounding of top electrodes ring and the baffle that is closely coupled on the substrate 106
105, and it is covered in the substrate 106,104 top of the baffle 105, the top electrodes 102 and the top electrodes ring
Sealant 101；
Optionally, the baffle 105 is multiple, and 105 baffle of baffle is interconnected to form the net of a variety of any encloseds
Shape figure, the figure specifically include the figures such as irregular polygon, sector, circle；
Optionally, the baffle 105 includes straight line or curve；
Optionally, the height and the width of the baffle 105 are
Optionally, the baffle 105 is photoresist material；
Optionally, the baffle 105 is closely connect by photolithography method with the surface of the substrate 106.
Based on above-mentioned analysis it is found that compared with organic luminescent device is sealed just with sealant in the prior art,
A kind of organic luminescent device, display screen and display with enhancing sealing effect provided by the embodiments of the present application, in top electricity
Multiple baffles connecting with substrates into intimate are arranged in polar ring surrounding, and baffle is interconnected to form the mesh pattern of any enclosed, " edge
It is embedding " in sealant, the baffle for being interconnected to form any enclosed shape not only increases vapor and oxygen from organic light emission
The section of device penetrates into the path length of luminescent layer, and reduce vapor and oxygen penetrated into from sealant side it is luminous
The probability of layer also reduces the probability of sealant rupture.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present application, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, or be somebody's turn to do
Application product using when the orientation or positional relationship usually put, be merely for convenience of description the application and simplify description, without
It is that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore not
It can be interpreted as the limitation to the application.In addition, term " first ", " second ", " third " etc. are only used for distinguishing description, and cannot manage
Solution is indication or suggestion relative importance.
In the description of the present application, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be indirect by intermediary
It is connected, can be the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in this application.
Finally it should be noted that：Embodiment described above, the only specific embodiment of the application, to illustrate the application
Technical solution, rather than its limitations, the protection scope of the application is not limited thereto, although with reference to the foregoing embodiments to this Shen
It please be described in detail, those skilled in the art should understand that：Anyone skilled in the art
Within the technical scope of the present application, it can still modify to technical solution documented by previous embodiment or can be light
It is readily conceivable that variation or equivalent replacement of some of the technical features；And these modifications, variation or replacement, do not make
The essence of corresponding technical solution is detached from the spirit and scope of the embodiment of the present application technical solution.The protection in the application should all be covered
Within the scope of.Therefore, the protection scope of the application shall be subject to the protection scope of the claim.
Claims (10)
1. a kind of organic luminescent device with enhancing sealing effect, which is characterized in that including：Substrate is located on the substrate
The bottom electrode of side, the top electrodes above the luminescent layer, is located at institute at the luminescent layer above the bottom electrode
State the top electrodes ring of luminescent layer surrounding, positioned at the top electrodes ring surrounding and the baffle that is closely coupled on the substrate,
And it is covered in the sealant above the substrate, the baffle, the top electrodes and the top electrodes ring.
2. the apparatus according to claim 1, which is characterized in that the baffle is multiple.
3. the apparatus according to claim 1, which is characterized in that the baffle plate setting is multilayer.
4. device according to claim 2 or 3, which is characterized in that the baffle is interconnected to form the net of any enclosed
Shape figure.
5. the apparatus according to claim 1, which is characterized in that the height and the width range of the baffle is
6. the apparatus according to claim 1, which is characterized in that the baffle passes through photolithography method or nano-imprinting method
It is closely connect with the surface of the substrate.
7. the apparatus according to claim 1, which is characterized in that the material of the baffle is photoresist or metal.
8. the apparatus according to claim 1, which is characterized in that the baffle is straight line or curve.
9. a kind of display screen, which is characterized in that including organic luminescent device, the organic luminescent device includes substrate, is located at institute
The bottom electrode above substrate, the luminescent layer above the bottom electrode are stated, the top electricity above the luminescent layer
Pole, positioned at the top electrodes ring of the luminescent layer surrounding, positioned at the top electrodes ring surrounding and be closely coupled to the substrate
On baffle, and be covered in the sealing above the substrate, the baffle, the top electrodes and the top electrodes ring
Layer.
10. a kind of display, which is characterized in that including display screen as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810644800.5A CN108832018A (en) | 2018-06-21 | 2018-06-21 | A kind of organic luminescent device, display screen and display with enhancing sealing effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810644800.5A CN108832018A (en) | 2018-06-21 | 2018-06-21 | A kind of organic luminescent device, display screen and display with enhancing sealing effect |
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| Publication Number | Publication Date |
|---|---|
| CN108832018A true CN108832018A (en) | 2018-11-16 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810644800.5A Pending CN108832018A (en) | 2018-06-21 | 2018-06-21 | A kind of organic luminescent device, display screen and display with enhancing sealing effect |
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| CN107565066A (en) * | 2017-08-28 | 2018-01-09 | 武汉华星光电半导体显示技术有限公司 | The preparation method and oled panel of oled panel |
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2018
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| CN106816456A (en) * | 2016-12-16 | 2017-06-09 | 上海天马微电子有限公司 | A kind of organic LED display panel and display |
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Application publication date: 20181116 |
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