CN208045551U - Encapsulating structure and Organnic electroluminescent device - Google Patents
Encapsulating structure and Organnic electroluminescent device Download PDFInfo
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- CN208045551U CN208045551U CN201820093558.2U CN201820093558U CN208045551U CN 208045551 U CN208045551 U CN 208045551U CN 201820093558 U CN201820093558 U CN 201820093558U CN 208045551 U CN208045551 U CN 208045551U
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Abstract
The utility model is related to display technology field, a kind of encapsulating structure and Organnic electroluminescent device are provided, wherein encapsulating structure includes substrate and encapsulation cover plate disposed in parallel；Several support columns for being used to support the encapsulation cover plate are provided between the substrate and the encapsulation cover plate.By the way that several support columns for being used to support encapsulation cover plate are arranged between substrate and encapsulation cover plate, for preventing recessed deformation of the encapsulation cover plate caused by gravity, reach the position relationship of substrate and encapsulation cover plate keeping parallelism, the generation for preventing newtonization phenomenon, to enhance the display effect for the Organnic electroluminescent device for applying the encapsulating structure.
Description
Technical field
The utility model is related to display technology fields, and in particular to a kind of encapsulating structure and Organnic electroluminescent device.
Background technology
Organnic electroluminescent device (Organic Light Emitting Display, referred to as OLED) has spontaneous
Light, driving voltage are low, luminous efficiency is high, the response time is short, clarity and contrast are high, visual angle is wide, it can be achieved that Flexible Displays with
Many advantages, such as large area total colouring, is known as being the display technology for most having development potentiality by industry.
Organic material in Organnic electroluminescent device is extremely sensitive to steam and oxygen, and therefore, device encapsulation is that have
One of important workshop section in organic electro luminescent device production process.Common packaging method encapsulates for frit, i.e., with frits
Upper and lower base plate forms encapsulation region, seals to protect device.
As shown in Figure 1, since encapsulation cover plate ontology 2 has certain weight, those skilled in the art are generally by base
Mutually level support column 4 is set between plate 1 and encapsulation cover plate ontology 2, is used to support cover board body 2, to reduce its gravity work
With the influence to cover board body 2.
But due to the supporting role of the frit around device surrounding, and support column 4 itself has certain elasticity, position
Support column volume under pressure in 2 central area of cover board body can be more than marginal portion, and cover board body 2, which can be recessed inwardly, generates a song
The curved surface of rate radius.When light irradiates screen, since substrate 1 is similar to plane mirror, the light path between substrate 1 and cover board body 2
It is poor different, it, will be by different light to easily generate interfering with each other for reflection light in cover board body 2 and 1 upper and lower surface of substrate
Path difference regional choice goes out different wavelength, shows the color of corresponding wavelength, Newton's ring phenomenon occurs so as to cause light-emitting device,
Influence display effect.
Utility model content
The technical problem to be solved by the present invention is to overcome in the prior art OLED there is the defect of Newton's ring.
In consideration of it, the utility model provides a kind of encapsulating structure, including substrate disposed in parallel and encapsulation cover plate；The base
Several support columns for being used to support the encapsulation cover plate are provided between plate and the encapsulation cover plate.
Optionally, center line symmetrical setting of the support column about the substrate.
Optionally, along the direction far from the center line, the height of support column described in central region is higher than neighboring area institute
State support column height.
Optionally, the support column includes the first support column with the first height, and second with the second height
Support column；First height is more than second height；First support column is arranged close to the center line.
Optionally, the quantity of the support column is more than along the direction far from the center line, central region unit area
The quantity of support column described in neighboring area.
Optionally, the encapsulating structure further includes the packaging ring around substrate border area setting, the cap
Plate forms airtight cavity with the substrate by the packaging ring.
Optionally, the maximum height ratio of the height of the packaging ring and the support column is 10:11~1:4.
The utility model embodiment provides a kind of Organnic electroluminescent device, including substrate disposed in parallel and cap
Plate；Several support columns for being used to support the encapsulation cover plate are provided between the substrate and the encapsulation cover plate；The substrate
On be additionally provided with light emitting array layer.
Optionally, the support column is arranged between the pixel unit in the light emitting array layer.
Optionally, further include the packaging ring being arranged around the substrate border area, the encapsulation cover plate and the substrate
Airtight cavity is formed by the packaging ring, the light emitting array layer is arranged in the cavity.
Technical solutions of the utility model have the following advantages that：
1. the encapsulating structure that the utility model embodiment provides, by the way that several be used for is arranged between substrate and encapsulation cover plate
The support column for supporting encapsulation cover plate, for preventing recessed deformation of the encapsulation cover plate caused by gravity, reach substrate and
The purpose of the position relationship of encapsulation cover plate keeping parallelism prevents the generation of newtonization phenomenon, and the encapsulation knot is applied to enhance
The display effect of the Organnic electroluminescent device of structure.
2. the encapsulating structure that the utility model embodiment provides, by the way that support column to be set to off to the center line pair in substrate
Claim so that the deformation quantity about the symmetrical support column of substrate center is equal, can ensure that the deformation quantity of encapsulation cover plate is basic
It is zero, so as to achieve the purpose that substrate and encapsulation cover plate keeping parallelism, effectively prevent the generation of Newton's ring phenomenon.
3. the encapsulating structure that the utility model embodiment provides, by the way that the height of the support column of substrate central region to be arranged
For the height of the support column higher than neighboring area, i.e. the difference in height of the support column of central region and neighboring area can offset encapsulation
The difference of the deformation quantity of cover board central region and neighboring area so that encapsulation cover plate and substrate can keeping parallelism relationship be arranged, energy
Enough avoid the generation of Newton's ring phenomenon.
4. the encapsulating structure that the utility model embodiment provides, by the way that the quantity of the support column of substrate central region to be arranged
For the quantity of the support column more than substrate periphery region, the deformation quantity of encapsulation cover plate central region is distributed to each support column
On, i.e. the quantity of central region support column is more, and the deformation quantity of single support column is smaller；Offset by the quantity difference of support column
The difference of the deformation quantity of encapsulation cover plate central region and neighboring area so that encapsulation cover plate and substrate can keeping parallelism relationship set
It sets, the generation of Newton's ring phenomenon can be avoided.
5. the encapsulating structure that the utility model embodiment provides is made by the way that packaging ring is being arranged around substrate border area
It obtains encapsulation cover plate and forms airtight cavity using the packaging ring with substrate, prevent water oxygen from entering the cavity, so as to avoid water oxygen pair
Using the influence of the Organnic electroluminescent device of the encapsulating structure, the display effect of the Organnic electroluminescent device is improved.
6. the encapsulating structure that the utility model embodiment provides, by the way that several be used for is arranged between substrate and encapsulation cover plate
The support column for supporting encapsulation cover plate, for preventing recessed deformation of the encapsulation cover plate caused by gravity, reach substrate and
The purpose of the position relationship of encapsulation cover plate keeping parallelism prevents the generation of newtonization phenomenon, to enhance organic electroluminescence hair
The display effect of electro-optical device.
Description of the drawings
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific implementation mode or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, other drawings may also be obtained based on these drawings.
Fig. 1 is the structural schematic diagram of encapsulating structure in existing structure；
Fig. 2 is the structural schematic diagram of encapsulating structure in the utility model embodiment 1；
Fig. 3 is the structural schematic diagram of support column in the utility model embodiment 1；
Fig. 4 is the structural schematic diagram of encapsulating structure in the utility model embodiment 2；
Reference numeral：
Fig. 1:1- substrates；2- encapsulation cover plate ontologies；3-frit；4- support columns；
Fig. 2-Fig. 4:10- substrates；20- encapsulation cover plates；30- packaging rings；40- support columns；The first support columns of 41-；42- second
Support column.
Specific implementation mode
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
The every other embodiment that field those of ordinary skill is obtained without making creative work, belongs to this practicality
Novel protected range.
In the description of the present invention, it should be noted that term " first ", " second ", " third " are only used for describing
Purpose is not understood to indicate or imply relative importance.
In addition, as long as technical characteristic involved in the utility model different embodiments disclosed below is each other
Not constituting conflict can be combined with each other.
Embodiment 1
The utility model embodiment provides a kind of encapsulating structure, as shown in Fig. 2, including substrate 10 disposed in parallel and encapsulation
Cover board 20, and be arranged between substrate 10 and encapsulation cover plate 20, it is used to support several support columns 40 of encapsulation cover plate 20；Its
In, support column 40 is symmetrical arranged about the center line 50 of substrate 10.
As shown in figure 3, support column 40 includes two different height, i.e. support column 40 includes the first of several first height
Second support column 42 of support column 41 and the second height；And first support column 41 close to 10 center line 50 of substrate be arranged.
Under the effect of gravity, the deformation quantity of 20 central region of encapsulation cover plate is more than the deformation quantity of neighboring area.Work as cap
When plate 20 is arranged on the substrate 10, it is supported by support column 40, for preventing the recessed of encapsulation cover plate 20；And close to substrate
Have centainly between the first support column 41 and the second support column 42 being arranged far from 10 center line of substrate of the setting of 10 center lines
Difference in height, that is, the height being arranged in the support column of 10 central region of substrate are more than the support column being arranged in substrate 10 neighboring area
Highly.When height after the first support column 41 is deformed upon with the second support column 42 is identical, the deformation quantity of the first support column 41
More than the deformation quantity of the second support column 42.
Wherein, when encapsulation cover plate 20 is arranged on the substrate 10, the height between the first support column 41 and the second support column 42
Degree difference can offset the difference of the deformation quantity of 20 central region of encapsulation cover plate and neighboring area so that encapsulation cover plate 20 after encapsulation with
Substrate 10 is parallel, i.e., encapsulation cover plate 20 relative to substrate 10 substantially without recessed.
By the support column 40 that different height is arranged so that the encapsulation cover plate 20 after encapsulation is closed with 10 keeping parallelism of substrate
System's setting, can avoid the generation of Newton's ring phenomenon, to ensure that the Organnic electroluminescent device for applying the encapsulating structure
Display effect.
In addition, as shown in Fig. 2, the encapsulating structure further includes the packaging ring 30 for surrounding the setting of 10 border area of substrate so that
Encapsulation cover plate 20 forms airtight cavity with substrate 10 by the packaging ring 30, prevents water oxygen from entering the cavity.When the encapsulating structure
When applied on Organnic electroluminescent device, since the luminescent layer in organic light emitting apparatus is more sensitive to water oxygen, water oxygen enters
After luminescent layer, the display effect of the Organnic electroluminescent device can be influenced.Therefore, by the way that the packaging ring 30, organic light emission is arranged
The luminescent layer of el light emitting device is formed in airtight cavity, effectively prevents the entrance of water oxygen, to improve the Organic Electricity
The display effect of electroluminescent devices.
Wherein, the height ratio of the height of the packaging ring 30 and the first support column 41 is 1:4~10:11, the height ratio
So that all support columns 40, after being deformed upon by the pressure of encapsulation cover plate 20, all support columns 40 keep one with packaging ring 30
The height of sample ensure that encapsulation cover plate 20 almost without recessed, to effectively prevent Newton's ring phenomenon, is enhanced using the encapsulation knot
The display effect of the Organnic electroluminescent device of structure.For example, the height ratio of the height of the packaging ring 30 and the first support column 41
Can be 1:4,1:2,3:5,5:6,7:8,10:11 etc..
As a kind of optional embodiment of the present embodiment, the height of support column 40 is along far from 10 center line 50 of substrate
Direction is gradually reduced.Under the effect of gravity due to encapsulation cover plate 20, distance center line 50 is remoter, and deformation quantity is smaller；Accordingly
Ground, distance center line 50 is remoter, and the height of support column 40 is set as smaller.It is born by the support column 40 of different height different
The deformation quantity of encapsulation cover plate 20 ensure that all support columns 40 after the pressure by encapsulation cover plate 20, is in sustained height, makes
Obtain encapsulation cover plate 20 and 10 keeping parallelism relationship of substrate.
Packaging ring 30 is selected from but not limited to, by the cured glass powders of UV and organic matter (Frit slurries), as this implementation
A kind of optional embodiment of example, packaging ring 30 are glass ring.
Embodiment 2
The utility model embodiment provides a kind of encapsulating structure, as shown in figure 4, difference from example 1 is that：Edge
Direction far from center line 50, the quantity of central region unit area inner support column 40 are more than the number of neighboring area support column 40
Amount.
As shown in figure 4, support column 40 includes the support column 40 of two kinds of different numbers in unit area, i.e., in substrate 10
There is the central region of heart line 50 support column 40 of first density, neighboring area to have the support column 40 of the second density, and first
Density is more than the second density.
Under the effect of gravity, the deformation quantity of 20 central region of encapsulation cover plate is more than the deformation quantity of neighboring area.Work as cap
When plate 20 is arranged on the substrate 10, it is supported by support column 40, for preventing the recessed of encapsulation cover plate 20；And different zones
Support column 40 between have certain density contrast, that is, be arranged central region support column 40 density be more than be arranged in peripheral region
The density of the support column 40 in domain, the deformation quantity of encapsulation cover plate central region is distributed on each support column, i.e. central region branch
The quantity of dagger is more, and the deformation quantity of single support column is smaller.
Wherein, when encapsulation cover plate 20 is arranged on the substrate 10, the quantity difference of support column 40 offsets 20 middle part of encapsulation cover plate
The difference of the deformation quantity in region and neighboring area so that encapsulation cover plate 20 and substrate 10 can keeping parallelism relationship be arranged, can keep away
Exempt from the generation of Newton's ring phenomenon, i.e., encapsulation cover plate 20 applies the encapsulation knot relative to substrate 10 substantially without recessed to ensure that
The display effect of the Organnic electroluminescent device of structure.
As a kind of optional embodiment of the present embodiment, the quantity of unit area inner support column 40 is in far from substrate 10
The direction of heart line 50 is gradually reduced.Under the effect of gravity due to encapsulation cover plate 20, distance center line 50 is remoter, and deformation quantity is got over
It is small；Correspondingly, distance center line 50 is remoter, and the quantity of unit area inner support column 40 is set as smaller.Pass through different number
Support column 40 bears the deformation quantity of different encapsulation cover plates 20, ensure that all support columns 40 in the pressure by encapsulation cover plate 20
Afterwards, it is in sustained height so that encapsulation cover plate 20 and 10 keeping parallelism relationship of substrate.
Embodiment 3
The utility model embodiment provides a kind of Organnic electroluminescent device, including substrate disposed in parallel 10 and encapsulation
Cover board 20；And the support column 40 that encapsulation cover plate 20 is used to support between substrate 10 and encapsulation cover plate 20 is set.Wherein, substrate
Light emitting array layer is additionally provided on 10.
By the way that several support columns 40 for being used to support encapsulation cover plate 20 are arranged between substrate 10 and encapsulation cover plate 20, it is used for
Recessed deformation of the encapsulation cover plate 20 caused by gravity is prevented, 20 keeping parallelism of substrate 10 and encapsulation cover plate is reached
The purpose of position relationship prevents the generation of newtonization phenomenon, to enhance the display effect of the Organnic electroluminescent device.
Wherein, support column 40 is arranged between the pixel unit in light emitting array layer, i.e. the setting of support column 40 is organic at this
The non-display area of el light emitting device.While supporting encapsulation cover plate 20, support column 40 is avoided to weigh pixel region wounded, improved
The display effect of the Organnic electroluminescent device.
The CONSTRUCTED SPECIFICATION of the support column 40 and packaging ring 30 be not described in detail in the present embodiment, please refers to embodiment 1
Or embodiment 2, details are not described herein.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
Among the protection domain that variation is created still in the utility model.
Claims (10)
1. a kind of encapsulating structure, which is characterized in that including substrate disposed in parallel and encapsulation cover plate；
Several support columns for being used to support the encapsulation cover plate are provided between the substrate and the encapsulation cover plate.
2. encapsulating structure according to claim 1, which is characterized in that center line pair of the support column about the substrate
Claim setting.
3. encapsulating structure according to claim 2, which is characterized in that along the direction far from the center line, central region
The height of the support column is higher than support column height described in neighboring area.
4. encapsulating structure according to claim 3, which is characterized in that the support column includes first with the first height
Support column, and the second support column with the second height；
First height is more than second height；First support column is arranged close to the center line.
5. encapsulating structure according to claim 2, which is characterized in that along the direction far from the center line, central region
The quantity of the support column is more than the quantity of support column described in neighboring area in unit area.
6. encapsulating structure according to any one of claim 1 to 5, which is characterized in that the encapsulating structure further includes ring
Around the packaging ring of substrate border area setting, the encapsulation cover plate forms closed chamber with the substrate by the packaging ring
Body.
7. encapsulating structure according to claim 6, which is characterized in that the height of the packaging ring and the support column are most
Height ratio is 10:11~1:4.
8. a kind of Organnic electroluminescent device, which is characterized in that including substrate disposed in parallel and encapsulation cover plate；
Several support columns for being used to support the encapsulation cover plate are provided between the substrate and the encapsulation cover plate；
Light emitting array layer is additionally provided on the substrate.
9. Organnic electroluminescent device according to claim 8, which is characterized in that the support column setting shines described
Between pixel unit in array layer.
10. Organnic electroluminescent device according to claim 9, which is characterized in that further include around the substrate edge
The packaging ring of region setting, the encapsulation cover plate form airtight cavity, the light-emitting array with the substrate by the packaging ring
Row layer is arranged in the cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820093558.2U CN208045551U (en) | 2018-01-19 | 2018-01-19 | Encapsulating structure and Organnic electroluminescent device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820093558.2U CN208045551U (en) | 2018-01-19 | 2018-01-19 | Encapsulating structure and Organnic electroluminescent device |
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| Publication Number | Publication Date |
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| CN208045551U true CN208045551U (en) | 2018-11-02 |
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| CN201820093558.2U Active CN208045551U (en) | 2018-01-19 | 2018-01-19 | Encapsulating structure and Organnic electroluminescent device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111025705A (en) * | 2019-12-31 | 2020-04-17 | 武汉华星光电技术有限公司 | Tray and machine table with same |
| CN111312096A (en) * | 2020-04-10 | 2020-06-19 | 昆山国显光电有限公司 | Display panel and display device |
| CN112420953A (en) * | 2020-11-18 | 2021-02-26 | 合肥维信诺科技有限公司 | Display panel and display device |
| CN113516925A (en) * | 2021-06-29 | 2021-10-19 | 昆山国显光电有限公司 | Display panel, manufacturing method thereof and display device |
| CN114220833A (en) * | 2021-12-13 | 2022-03-22 | 武汉华星光电半导体显示技术有限公司 | Display panel |
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2018
- 2018-01-19 CN CN201820093558.2U patent/CN208045551U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111025705A (en) * | 2019-12-31 | 2020-04-17 | 武汉华星光电技术有限公司 | Tray and machine table with same |
| CN111312096A (en) * | 2020-04-10 | 2020-06-19 | 昆山国显光电有限公司 | Display panel and display device |
| CN112420953A (en) * | 2020-11-18 | 2021-02-26 | 合肥维信诺科技有限公司 | Display panel and display device |
| CN112420953B (en) * | 2020-11-18 | 2022-07-12 | 合肥维信诺科技有限公司 | Display panel and display device |
| CN113516925A (en) * | 2021-06-29 | 2021-10-19 | 昆山国显光电有限公司 | Display panel, manufacturing method thereof and display device |
| CN114220833A (en) * | 2021-12-13 | 2022-03-22 | 武汉华星光电半导体显示技术有限公司 | Display panel |
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