CN206480628U - A kind of organic electroluminescence display panel - Google Patents
A kind of organic electroluminescence display panel Download PDFInfo
- Publication number
- CN206480628U CN206480628U CN201720185454.XU CN201720185454U CN206480628U CN 206480628 U CN206480628 U CN 206480628U CN 201720185454 U CN201720185454 U CN 201720185454U CN 206480628 U CN206480628 U CN 206480628U
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- CN
- China
- Prior art keywords
- display panel
- organic electroluminescence
- substrate
- electroluminescence display
- cushion
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Abstract
The utility model embodiment discloses a kind of organic electroluminescence display panel.The organic electroluminescence display panel includes：Substrate, multiple light-emitting components positioned at the surface and it is coated in cushion of the substrate away from the light-emitting component side；Side of the cushion away from the substrate has concaveconvex structure；Area of section of the lug boss of the concaveconvex structure away from the substrate side is less than the area of section of substrate side described in neighbour.The utility model embodiment provide organic electroluminescence display panel can avoid prior art attach foam during easily formed bubble the problem of, can additionally lift the shock resistance shock-absorbing capacity of organic electroluminescence display panel.
Description
Technical field
The utility model embodiment is related to Display Technique, more particularly to a kind of organic electroluminescence display panel.
Background technology
Due to there is no backing structure in organic light emitting display, so organic light emitting display is more fragile when being hit
It is broken.Existing organic light emitting display is to avoid external force from causing product to crush, typically the array base palte in organic light emitting display
Attaching one layer of fender foam below strengthens the shock resistance shock-absorbing capacity of organic light emitting display.
But currently used attaching foam design, need to by the technique such as producing, cutting, attaching, therefore cause cost compared with
Height, and easily form bubble during the attaching of foam and cause glass scratch etc. bad, finally influence organic light emission
The display performance of display screen.
Utility model content
The utility model provides a kind of organic electroluminescence display panel, is not influenceing organic electroluminescence display panel display performance
Under the premise of, improve the shock resistance shock-absorbing capacity of organic electroluminescence display panel.
The utility model embodiment provides a kind of organic electroluminescence display panel, including：
Substrate, multiple light-emitting components positioned at the surface and the substrate is coated in away from the light-emitting component
The cushion of side；
Side of the cushion away from the substrate has concaveconvex structure；
Area of section of the lug boss of the concaveconvex structure away from the substrate side is less than substrate side described in neighbour
Area of section.
Further, the bulge-structure is shaped as trapezoidal column or spherical crown shape.
Further, light member described in the upright projection of the lug boss of the concaveconvex structure on the substrate and adjacent two
The upright projection of the gap of part on the substrate is overlapped.
Further, the adjacent projections contact in the concaveconvex structure is set, and the contact position of the adjacent lug boss
It is curved.
Further, have between the bottom surface of side of the adjacent lug boss adjacent to the substrate in the concaveconvex structure
There is gap.
Further, the upright projection of the gap on the substrate and light-emitting component described in one be on the substrate
Upright projection is overlapped.
Further, along the luminescence unit arragement direction, the length in the gap is more than 2/3 times of the light-emitting component
Length.
Further, the cushion includes conducting particles.
Further, the material of the cushion includes plastics, rubber or UV glue.
Further, the upright projection of the concaveconvex structure on the substrate is in latticed.
Further, the cushion includes light screening material；The light screening material includes black dyes.
Further, the substrate includes flexible substrate.
Further, the modulus of elasticity of the cushion is more than the modulus of elasticity of the flexible substrate.
The organic electroluminescence display panel that the utility model embodiment is provided, by being coated in substrate away from light-emitting component side
Padded coaming, because padded coaming is to be coated in substrate away from light-emitting component side, therefore can avoid prior art from attaching bubble
The problem of easily bubble being formed during cotton.Because organic electroluminescence display panel can be produced when receiving the impact of external forces
Deformation, organic electroluminescence display panel upper strata can be by compression, and organic electroluminescence display panel lower floor can be by tension, and the external world makees
It can be cracked when firmly larger, therefore the utility model is carried out at the processing of given shape by the padded coaming to coating
Reason, makes side of the cushion away from substrate after material shaping have concaveconvex structure, and set the lug boss of concaveconvex structure remote
The area of section of substrate side is less than the area of section of neighbour's substrate side, is tied using the bumps of side of the cushion away from substrate
Reaction force by outer point of force application was originally concentrated on can be dispersed in around outer point of force application than larger region, institute by structure
Cause the problem of organic electroluminescence display panel is broken so that outer point of force application stress can be avoided to concentrate, lift organic light emitting display face
The shock resistance shock-absorbing capacity of plate.
Brief description of the drawings
A kind of structural representation for organic electroluminescence display panel that Fig. 1 provides for the utility model embodiment；
The structural representation for another organic electroluminescence display panel that Fig. 2 provides for the utility model embodiment；
The structural representation for another organic electroluminescence display panel that Fig. 3 provides for the utility model embodiment；
The overlooking the structure diagram for the cushion that Fig. 4 provides for the utility model embodiment；
The partial structural diagram for the organic electroluminescence display panel in bending state that Fig. 5 provides for the utility model.
Embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.It is understood that herein
Described specific embodiment is used only for explaining the utility model, rather than limits of the present utility model.Further need exist for
It is bright, for the ease of description, the part related to the utility model rather than entire infrastructure are illustrate only in accompanying drawing.
A kind of structural representation for organic electroluminescence display panel that Fig. 1 provides for the utility model embodiment.Such as Fig. 1 institutes
Show, the organic electroluminescence display panel that the present embodiment is provided includes：Substrate 11, positioned at the top of substrate 11 multiple light-emitting components 12 with
And it is coated in cushion 13 of the substrate 11 away from the side of light-emitting component 12；Side of the cushion 13 away from substrate 11 has concavo-convex tie
Structure 131.Area of section of the lug boss 1311 of concaveconvex structure 131 away from the side of substrate 11 is less than the section of the side of neighbour's substrate 11
Area.Because padded coaming is to be coated in substrate away from light-emitting component side, therefore prior art can be avoided to attach foam mistake
The problem of easily bubble being formed in journey.In addition, referring to Fig. 1, organic electroluminescence display panel by external force F when being acted on, buffering
Layer 13 can produce reaction force F1And F2, because area of section of the lug boss 1311 away from the side of substrate 11 of concaveconvex structure 131 is small
Area of section in the side of neighbour's substrate 11, makes reaction force F1With reaction force F2Tilted to the direction away from external force F, can
The reaction force of external force F application points will be originally concentrated on, was dispersed in around external force F application points than larger region, it is possible to
Avoiding external force F application points stress from concentrating causes the problem of organic electroluminescence display panel is broken.Further, since cushion 13 is away from base
The side of plate 11 has concaveconvex structure 131, can also move down the neutral surface after organic electroluminescence display panel stress, have accordingly
The tension that film layer is subject to below neutral surface after machine light emitting display panel stress reduces, and organic electroluminescence display panel should to drawing
During the tolerance degree of power is small, therefore the utility model embodiment is made after machine light emitting display panel stress by setting concaveconvex structure
Property face move down, reduction organic electroluminescence display panel suffered by tension so that improve organic electroluminescence display panel shock resistance delay
Punching performance.It should be noted that the side of the lug boss 1311 of concaveconvex structure 131 and the angle between the direction of substrate 11
Bigger (i.e. angle, θ in Fig. 1 is bigger), the inclined degree of reaction force is bigger, therefore the active area of reaction force is bigger, from
And external force F effectively can be subjected to split-up, lift the shock resistance shock-absorbing capacity of organic electroluminescence display panel.
It should be noted that the formation of the cushion concaveconvex structure 131 in the utility model can be initially formed one layer to put down
Smooth padded coaming, then forms multiple lug bosses 1311 above the flat padded coaming；It can also be and be initially formed one layer
It is convex that then flat padded coaming is formed between multiple pits 1312, adjacent pit 1312 by the technique such as etching or impressing
Play portion 1311.
Optionally, the shape of the lug boss 1311 in the present embodiment in concaveconvex structure can be analogous to trapezoidal in Fig. 1
Post or spherical crown shape as shown in Figure 2.
Optionally, referring to Fig. 1-Fig. 2, when pit 1312 is set on cushion 13, the bumps of cushion 13 can be set
There is gap in structure 131 between the bottom surface of the side of the adjacent substrates 11 of adjacent projections 1311.Due to organic light emitting display face
The influence of the steam etc. to external world of light-emitting component 12 is more sensitive in plate, therefore the utility model sets the gap (such as Fig. 1-Fig. 2
In pit) upright projection on the substrate 11 overlaps with the upright projection of a light-emitting component 12 on the substrate 11, to acting on
External force at light-emitting component 12 carries out the impact resistance at decomposition absorption, lifting light-emitting component 12, it is to avoid at light-emitting component 12
There is crackle and cause the intrusion of extraneous steam etc..
Optionally, along the arragement direction of luminescence unit 12, the side of the adjacent substrates 11 of adjacent projections 1311 can be set
Gap length L between bottom surface1The length L of light-emitting component more than 2/3 times2.Exemplary setting L in Fig. 1-Fig. 21Equal to L2.Phase
Gap length L between the bottom surface of the side of the adjacent adjacent substrates 11 of lug boss 13111Setting can be anti-outer according to actual product
The demand of boundary's impact capacity is specifically set, it is to avoid gap length is too short and can not realize outer on whole light-emitting component to being applied to
The buffering of power.
Optionally, referring to Fig. 1-Fig. 2, the upright projection of each columnar projections portion on the substrate 11 and adjacent two light-emitting component
The upright projection of 12 gap on the substrate 11 is overlapped.Gap location in organic electroluminescence display panel between adjacent light emitting element 12
Pixel confining layers are typically provided with, by the upright projection of each columnar projections 1311 on the substrate 11 and adjacent two light-emitting component 12
Gap upright projection on the substrate 11 overlap, i.e., each columnar projections 1311 are arranged on the underface of pixel confining layers 14,
Effectively it is transferred at the pixel confining layers of the periphery of light-emitting component 12 so that acting on the external force at light-emitting component 12, it is to avoid external force
Damage to light-emitting component 12.
The structural representation for another organic electroluminescence display panel that Fig. 3 provides for the utility model embodiment, such as Fig. 3 institutes
Show, the contact of adjacent projections 1311 in concaveconvex structure 131 is set, and the contact position of adjacent projections 1311 is curved.Due to
Sharp contact angle can cause the stress concentration at this, therefore the utility model sets the contact position of adjacent projections 1311 to be in arc
Shape, it is to avoid cause the situation for crack occur due to the contact position stress accumulation of lug boss 1311.
Optionally, cushion can include conducting particles in the various embodiments described above.Produce and make in organic electroluminescence display panel
Make, test, carrying and use during, all inevitably introduce electrostatic, these accumulation of static electricity can excessively discharge, produce
Instantaneous high current, makes the component local damage in organic electroluminescence display panel, punctures or influence organic light emitting display face
The display effect of plate.Because the cushion in the utility model includes conducting particles, therefore the work of electrostatic protection can be played
With.
Optionally, the material of cushion includes plastics (such as acrylic), rubber or UV glue in the various embodiments described above.Use
Cushion prepared by above-mentioned material can further improve the buffering deformability of organic electroluminescence display panel, play buffering shock-absorbing
Effect.
Optionally, in the various embodiments described above, the upright projection of the concaveconvex structure on the substrate is in latticed.As schemed
Shown in 4, the lug boss 131 in concaveconvex structure is regularly arranged, makes whole organic display panel stress when being acted on by external force equal
It is even, and this kind of structure preparation technology is simple, is readily mass-produced, production cost is low.
Optionally, cushion can also include light screening material, and light screening material includes black dyes.Being coated with the cushion can
Good interception is played with the back to organic electroluminescence display panel, it is to avoid the device pair at organic electroluminescence display panel back
Image quality is adversely affected.
Optionally, the substrate in the organic electroluminescence display panel that the utility model is provided can include rigid substrate, to
Flexible Flexible Displays are realized, the substrate in the various embodiments described above can be set to include flexible substrate.In addition, the utility model
In the concaveconvex structure of cushion can also limit the degree of crook of organic electroluminescence display panel, it is to avoid organic electroluminescence display panel
Because the abnormal phenomenon of display occurs for curved transitions.Fig. 5 shows for the organic light emission in bending state that the utility model is provided
Show the partial structural diagram of panel.Referring to Fig. 5, when organic electroluminescence display panel is bent to predetermined extent, cushion is concavo-convex
The adjacent projections 1311 of structure can each other prop up and organic electroluminescence display panel is not bent further, therefore can prevent
During the degree of crook that organic electroluminescence display panel can bear due to overbending beyond its internal film layer, display exception is caused
Problem.Optionally, the modulus of elasticity of cushion in the organic electroluminescence display panel of the utility model offer can also be set to be more than
The modulus of elasticity of flexible substrate, so as to further limit the degree of crook of organic electroluminescence display panel.
Note, above are only preferred embodiment of the present utility model and institute's application technology principle.Those skilled in the art's meeting
Understand, the utility model is not limited to specific embodiment described here, can carried out for a person skilled in the art various bright
Aobvious change, readjust and substitute without departing from protection domain of the present utility model.Therefore, although pass through above example
The utility model is described in further detail, but the utility model is not limited only to above example, is not departing from
In the case that the utility model is conceived, other more equivalent embodiments can also be included, and scope of the present utility model is by appended
Right determine.
Claims (13)
1. a kind of organic electroluminescence display panel, it is characterised in that including：
Substrate, multiple light-emitting components positioned at the surface and the substrate is coated in away from the light-emitting component side
Cushion；
Side of the cushion away from the substrate has concaveconvex structure；
Area of section of the lug boss of the concaveconvex structure away from the substrate side is less than the section of substrate side described in neighbour
Area.
2. organic electroluminescence display panel according to claim 1, it is characterised in that the lug boss is shaped as trapezoidal column
Or spherical crown shape.
3. organic electroluminescence display panel according to claim 1, it is characterised in that the lug boss is on the substrate
The upright projection of the gap of upright projection and light-emitting component described in adjacent two on the substrate is overlapped.
4. organic electroluminescence display panel according to claim 1, it is characterised in that the adjacent lug boss contact is set,
And the contact position of the adjacent lug boss is curved.
5. organic electroluminescence display panel according to claim 1, it is characterised in that the adjacent lug boss is adjacent to the base
There is gap between the bottom surface of the side of plate.
6. organic electroluminescence display panel according to claim 5, it is characterised in that the gap hanging down on the substrate
The upright projection of light-emitting component on the substrate described in shadow and one is delivered directly to overlap.
7. organic electroluminescence display panel according to claim 5, it is characterised in that along the luminescence unit arragement direction,
The length in the gap is more than the length of 2/3 times of the light-emitting component.
8. according to any described organic electroluminescence display panel in claim 1-7, it is characterised in that the cushion is included and led
Charged particle.
9. according to any described organic electroluminescence display panel in claim 1-7, it is characterised in that the material of the cushion
Including plastics, rubber or UV glue.
10. according to any described organic electroluminescence display panel in claim 1-7, it is characterised in that the concaveconvex structure exists
Upright projection on the substrate is in latticed.
11. according to any described organic electroluminescence display panel in claim 1-7, it is characterised in that the cushion includes
Light screening material；The light screening material includes black dyes.
12. according to any described organic electroluminescence display panel in claim 1-7, it is characterised in that the substrate includes soft
Property substrate.
13. organic electroluminescence display panel according to claim 12, it is characterised in that the modulus of elasticity of the cushion is big
In the modulus of elasticity of the flexible substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201720185454.XU CN206480628U (en) | 2017-02-28 | 2017-02-28 | A kind of organic electroluminescence display panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720185454.XU CN206480628U (en) | 2017-02-28 | 2017-02-28 | A kind of organic electroluminescence display panel |
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| CN206480628U true CN206480628U (en) | 2017-09-08 |
Family
ID=59747307
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| CN201720185454.XU Active CN206480628U (en) | 2017-02-28 | 2017-02-28 | A kind of organic electroluminescence display panel |
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| CN108269501A (en) * | 2018-01-25 | 2018-07-10 | 京东方科技集团股份有限公司 | A kind of elastically deformable display base plate and preparation method thereof, display device |
| CN109036132A (en) * | 2018-07-24 | 2018-12-18 | 云谷（固安）科技有限公司 | Display panel and display master blank |
| CN109036137A (en) * | 2018-08-13 | 2018-12-18 | 云谷（固安）科技有限公司 | A kind of display screen and display device |
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