CN208819885U - Flexible display panels and display device - Google Patents
Flexible display panels and display device Download PDFInfo
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- CN208819885U CN208819885U CN201821620488.8U CN201821620488U CN208819885U CN 208819885 U CN208819885 U CN 208819885U CN 201821620488 U CN201821620488 U CN 201821620488U CN 208819885 U CN208819885 U CN 208819885U
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Abstract
The utility model embodiment is related to technical field of semiconductors, discloses a kind of flexible display panels and display device.Flexible display panels, comprising: organic luminous layer and cathode layer；The first groove is formed on organic luminous layer；Cathode layer is formed in above organic luminous layer, and is filled in the first groove.In the utility model, the first groove is formed on organic luminous layer, when forming cathode layer above organic luminous layer, cathode layer is filled in the first groove, increase the contact area between organic luminous layer and cathode layer, then increase the adhesion strength between organic luminous layer and cathode layer, thus in the process of bending cathode layer be not easy between organic luminous layer occur film layer separate.
Description
Technical field
The utility model embodiment is related to technical field of semiconductors, in particular to a kind of flexible display panels and display dress
It sets.
Background technique
OLED (Organic Light Emitting Diode, Organic Light Emitting Diode) be also known as organic electroluminescent,
Organic Electricity laser display or organic luminous semiconductor, OLED display technology is due to self-luminous, wide viewing angle, high contrast, low
Energy consumption and the advantages that can be thinned, increasingly receives extensive attention, the flexible display technologies based on OLED make it is foldable or
The display technology of curling becomes possible.
At least there are the following problems in the prior art for inventor's discovery: currently, the flexible display based on OLED is in battle array
The multilayered structure for making OLED device on column substrate and being packaged using thin film encapsulation technology, still, soft to being formed by
When property display is bent, it can be easily separated between the film layer of bent area, especially for the OLED occurred when being bent
The problem of anode layer of device is separated with upper layer of material does not have effective solution scheme still at present.
Utility model content
The utility model embodiment is designed to provide a kind of flexible display panels and display device, so that cathode layer
The generation film layer between organic luminous layer is not easy to separate.
In order to solve the above technical problems, the embodiments of the present invention provides a kind of flexible display panels, comprising: have
Machine luminescent layer and cathode layer；The first groove is formed on organic luminous layer；Cathode layer is formed in above organic luminous layer, and is filled
In the first groove.
The embodiments of the present invention additionally provides a kind of display device, comprising: above-mentioned flexible display panels.
The utility model embodiment is formed with the first groove in terms of existing technologies, on organic luminous layer, is having
When forming cathode layer above machine luminescent layer, cathode layer is filled in the first groove, is increased between organic luminous layer and cathode layer
Contact area, the adhesion strength between organic luminous layer and cathode layer is then increased, so that cathode layer is not in the process of bending
Film layer occurs easily between organic luminous layer to separate.
In addition, flexible display panels further include light removing layer；Position on cathode layer corresponding to the first groove is formed with the
Two grooves；Light removing layer is formed in above cathode layer, and is filled in the second groove.In the present embodiment, it is filled in cathode layer
When in the first groove, the second groove is formed corresponding to the position of the first groove on cathode layer, light is formed above cathode layer and takes
Out when layer, light removing layer is filled in the second groove, is increased the contact area between cathode layer and light removing layer, is then increased
Adhesion strength between cathode layer and light removing layer, light removing layer, cathode layer and organic luminous layer form three layers of nested structure,
To which cathode layer in the process of bending is not easy film layer occurs between light removing layer and organic luminous layer to separate.
In addition, flexible display panels further include encapsulated layer；Position on light removing layer corresponding to the second groove is formed with the
Three grooves；Encapsulated layer is formed in above light removing layer, and fills full third groove.In the present embodiment, it is filled in light removing layer
When in the second groove, third groove is formed corresponding to the position of the second groove on light removing layer, is formed above light removing layer
When encapsulated layer, full third groove is filled using encapsulated layer, the contact surface between encapsulated layer and light removing layer is increased, then increases
Adhesion strength between encapsulated layer and light removing layer, so that encapsulated layer is not easy that film occurs between light removing layer in the process of bending
Layer separation.
In addition, flexible display panels further include pixel confining layer；There is an at least recessed portion in pixel confining layer；Organic hair
Photosphere is formed in above pixel confining layer, and is filled in recessed portion；First groove is formed on organic luminous layer corresponding to recessed
The position of concave portion.Present embodiments provide for a kind of to form the specific implementation of the first groove on organic luminous layer, simultaneously
Recessed portion in pixel confining layer can be used to discharge folding s tress, and cathode layer is prevented to be broken in the process of bending.
In addition, the quantity of the first groove is multiple.In the present embodiment, setting the first groove quantity be it is multiple, so as to
The contact area between organic luminous layer and cathode layer is enough further increased, that is, further increases organic luminous layer and cathode layer
Between adhesion strength.
In addition, having hatch frame in pixel confining layer, multiple first grooves are evenly distributed on the surrounding of hatch frame.This
In embodiment, the surrounding that multiple first grooves are evenly distributed on hatch frame is set, so as to evenly dispersed folding s tress.
In addition, having hatch frame in pixel confining layer, multiple first grooves are distributed in the surrounding of hatch frame, and any
Two adjacent the first grooves are interconnected.In the present embodiment, two the first grooves that arbitrary neighborhood is arranged are interconnected, thus
The contact area between organic luminous layer and cathode layer can be further increased, that is, further increases organic luminous layer and cathode
Adhesion strength between layer.
Detailed description of the invention
One or more embodiments are illustrated by the picture in corresponding attached drawing, these exemplary theorys
The bright restriction not constituted to embodiment, the element in attached drawing with same reference numbers label are expressed as similar element, remove
Non- to have special statement, composition does not limit the figure in attached drawing.
Fig. 1 is the sectional view of the flexible display panels of first embodiment according to the present utility model；
Fig. 2 is the sectional view of the flexible display panels of second embodiment according to the present utility model；
Fig. 3 is the sectional view of the flexible display panels of third embodiment according to the present utility model；
Fig. 4 is the sectional view of the flexible display panels of the 4th embodiment according to the present utility model；
Fig. 5 is the sectional view of the flexible display panels of the 5th embodiment according to the present utility model；
Fig. 6 is the top view of the flexible display panels of the 5th embodiment according to the present utility model, wherein the first groove
Quantity is multiple；
Fig. 7 is the top view of the flexible display panels of the 5th embodiment according to the present utility model, plurality of first
Groove is uniformly distributed in the surrounding of hatch frame；
Fig. 8 is the top view of the flexible display panels of the 5th embodiment according to the present utility model, wherein arbitrary neighborhood
Two the first grooves are interconnected.
Specific embodiment
To keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, below in conjunction with attached drawing to this
Each embodiment of utility model is explained in detail.However, it will be understood by those skilled in the art that practical at this
In novel each embodiment, in order to make the reader understand this application better, many technical details are proposed.But even if do not have
It is claimed that the application also may be implemented in these technical details and various changes and modifications based on the following respective embodiments
Technical solution.
The first embodiment of the utility model is related to a kind of flexible display panels, for making display device, display dress
Display can be had for mobile phone, tablet computer, television set, display, laptop, Digital Frame, navigator etc. are any by setting
The products or components of function.
In the present embodiment, flexible display panels include organic luminous layer and cathode layer, are formed with first on organic luminous layer
Groove；Cathode layer is formed in above organic luminous layer, and is filled in the first groove.
It will be understood by those skilled in the art that referring to FIG. 1, flexible display panels further include underlay substrate 1, underlay substrate
1 can be array substrate, be provided with thin film transistor (TFT) (Thin Film Transistor, abbreviation TFT) layer 2 on underlay substrate 1,
It is formed with planarization layer 3 on TFT layer 2, anode layer 4 is formed on planarization layer 3, and surround the fringe region of anode layer 4
Pixel confining layer 5 is formed with a hatch frame 51 in pixel confining layer 5, to expose anode layer 4.Wherein, anode layer 4 is logical
Frequently with indium tin oxide (Indium Tin Oxide, abbreviation ITO), material makes to be formed, such as single layer ito anode, so unlimited
In this, anode layer 4 can also be multilayered structure, such as the three-decker of ITO-AG-ITO.
In present embodiment, organic luminous layer 6 is formed in pixel confining layer 5, recessed at least one in pixel confining layer 5
Concave portion 52 (in figure for one, is so not limited), recessed portion 52 be open width can be greater than or equal to 3 microns, and
Less than or equal to 4 microns, so that organic luminous layer 6 is filled in recess when organic luminous layer 6 is formed above pixel confining layer 5
Portion 52, when being filled in recessed portion 52 due to organic luminous layer 6, organic luminous layer 6 is bent in recessed portion 52, thus
Position on organic luminous layer 6 corresponding to recessed portion 52 forms the first groove 61；In addition, including shining in organic luminous layer 6
Unit (not shown), luminescence unit are formed in the hatch frame 51 in pixel confining layer 5, are in contact with anode layer 4.Its
In, organic luminous layer 6 can use single layer organic luminous layer, can also using by hole transmission layer, organic luminous layer and
The multilayered structure of the formation such as electron transfer layer.It should be noted that only schematically being retouched in the present embodiment and embodiment later
The shape of recessed portion 52 and the first groove 61 has been stated, however to the shape of recessed portion 52 and the first groove 61 in the utility model
It is not limited in any way.
Cathode layer 7 is formed in 6 top of organic luminous layer, and cathode layer 7 is filled in the first groove 61 of organic luminous layer 6,
To increase the contact area between cathode layer 7 and organic luminous layer 6, that is, increase between cathode layer 7 and organic luminous layer 6
Adhesion strength.Wherein, cathode layer 7 generallys use metal material such as aluminium (AL) or its alloy material such as magnesium silver-colored (MG-AG) and closes
Gold production is formed.
It should be noted that present embodiment to form recessed portion 51 in pixel confining layer 5, then utilizes organic light emission
Layer 6 fills recessed portion 51, thus be illustrated for foring the first groove 61 on organic luminous layer 6, it is so without being limited thereto,
Referring to FIG. 2, the first groove 61 directly can also formed on organic luminous layer 6, and the first groove is filled using cathode layer 7
61。
It should also be noted that, only the part film layer of flexible display panels is described in present embodiment, however
Not representing flexible display panels only includes above-mentioned film layer structure, for other film layers of flexible display panels, since it is this
Known in field, details are not described herein, therefore, as long as flexible display panels include the film layer structure in the present embodiment, in this reality
With in novel protection scope.
Present embodiment is formed with the first groove in terms of existing technologies, on organic luminous layer, in organic luminous layer
When top forms cathode layer, cathode layer is filled in the first groove, increases the contact surface between organic luminous layer and cathode layer
Product, then increase the adhesion strength between organic luminous layer and cathode layer, thus in the process of bending cathode layer be not easy with it is organic
Film layer separation occurs between luminescent layer.In addition, by way of forming recessed portion in pixel confining layer, on organic luminous layer
The first groove is formed, so that the recessed portion in pixel confining layer can be used to discharge folding s tress in bending, prevents cathode layer
It is broken in the process of bending.
The second embodiment of the utility model is related to a kind of flexible display panels.Second embodiment is implemented first
Improvement on the basis of mode, mainly thes improvement is that: in present embodiment, referring to FIG. 3, flexible display panels further include light
Removing layer 8.
In the present embodiment, when cathode layer 7 is filled in the first groove 61 of organic luminous layer 6, anode layer 7 is directly bent
In first groove 61, to form the second groove 71,8 shape of light removing layer in the position that cathode layer 7 corresponds to the first groove 61
It in the top of cathode layer 7, and is filled in the second groove 71, to improve the contact between light removing layer 8 and cathode layer 7
Area, meanwhile, organic luminous layer 6, cathode layer 7 and 8 three of light removing layer form three layers of nested structure, increase cathode layer
Contact area between 7 and organic luminous layer 6 and light removing layer 8 increases cathode layer 7 and organic luminous layer 6 and light
Adhesion strength between removing layer 8.
The present embodiment is right on cathode layer when cathode layer is filled in the first groove for first embodiment
The second groove should be formed in the position of the first groove, when forming light removing layer above cathode layer, light removing layer is filled in second
In groove, the contact area between cathode layer and light removing layer is increased, is then increased between cathode layer and light removing layer
Adhesion strength, light removing layer, cathode layer and organic luminous layer form three layers of nested structure, so that cathode layer is not in the process of bending
Film layer separation occurs between Yi Yuguang removing layer and organic luminous layer.
The third embodiment of the utility model is related to a kind of flexible display panels.Third embodiment is implemented second
Improvement on the basis of mode, mainly thes improvement is that: in present embodiment, referring to FIG. 4, flexible display panels further include envelope
Fill layer 9.
In the present embodiment, when light removing layer 8 is filled in the second groove 71 on cathode layer 7, light removing layer 8 is directly bent
In the second groove 71, so that the position on light removing layer 8 corresponding to the second groove 71 forms third groove 81, encapsulated layer
9 when being formed on light removing layer 8, and encapsulated layer 9 fills full third groove 81, to increase between encapsulated layer 9 and light removing layer 8
Contact area, that is, increase the adhesion strength between encapsulated layer 9 and light removing layer 8.In the present embodiment, encapsulated layer 9 is generally used
Thin-film package (Thin Film Encapsulation, abbreviation TFE) technique is formed, for being packaged flexible display panels.
Present embodiment, when light removing layer is filled in the second groove, takes for second embodiment in light
Third groove is formed corresponding to the position of the second groove on layer out, when forming encapsulated layer above light removing layer, utilizes encapsulated layer
Full third groove is filled, the contact surface between encapsulated layer and light removing layer is increased, then increases encapsulated layer and light removing layer
Between adhesion strength, thus in the process of bending encapsulated layer be not easy between light removing layer occur film layer separate.
4th embodiment of the utility model is related to a kind of flexible display panels.4th embodiment is implemented first
Improvement on the basis of mode, mainly thes improvement is that: in present embodiment, the quantity of the first groove 61 on organic luminous layer 6
It is multiple.
In the present embodiment, Fig. 5 and Fig. 6 are please referred to, first number of recesses 61 is 8 on organic luminous layer 6, and 8 first recessed
Slot 61 is respectively formed at the left and right sides of anode layer 4.
Preferably, multiple first grooves 61 are evenly distributed on when the quantity of first groove 61 is multiple on organic luminous layer 6
The surrounding of the hatch frame 51 of pixel confining layer 5, referring to FIG. 7, first number of recesses 61 is 8,8 on organic luminous layer 6
First groove 61 is evenly distributed on the surrounding of the hatch frame 51 of pixel confining layer 5, bending when can evenly dispersed bending answer
Power.
In one example, referring to FIG. 8, when the first number of recesses 61 on organic luminous layer 6 is multiple, multiple first
Groove 61 can be distributed in around the hatch frame 51 in pixel confining layer 5, and two the first grooves 61 of arbitrary neighborhood
It is interconnected, to form a complete channel 62 in organic luminous layer 6, which surround hatch frame 51, thus
The contact area between organic luminous layer 6 and cathode layer 7 is further increased, that is, further increases organic luminous layer 6 and yin
Adhesion strength between pole layer 7.
Present embodiment for first embodiment, setting the first groove quantity be it is multiple, so as into
One step increases the contact area between organic luminous layer and cathode layer, that is, further increases between organic luminous layer and cathode layer
Adhesion strength.It should be noted that present embodiment is also used as improvement on the basis of second or third embodiment, it can
To reach same technical effect.
5th embodiment of the utility model is related to a kind of display device, and display device includes first to fourth any reality
Apply the flexible display panels in example.Display device can be mobile phone, tablet computer, television set, display, laptop, number
Any products or components having a display function such as code photo frame, navigator.For other essential groups of the display device
At being partially it will be apparent to an ordinarily skilled person in the art that having, this will not be repeated here, also should not be used as practical to this
Novel limitation.
Present embodiment in terms of existing technologies, provides a kind of display device, the organic light emission of the display device
It is formed with the first groove on layer, when forming cathode layer above organic luminous layer, cathode layer is filled in the first groove, is increased
Contact area between organic luminous layer and cathode layer then increases the adhesion strength between organic luminous layer and cathode layer, from
And in the process of bending cathode layer be not easy between organic luminous layer occur film layer separate.
It will be understood by those skilled in the art that the respective embodiments described above are to realize the specific implementation of the utility model
Example, and in practical applications, can to it, various changes can be made in the form and details, without departing from the spirit of the utility model
And range.
Claims (8)
1. a kind of flexible display panels characterized by comprising organic luminous layer and cathode layer；
The first groove is formed on the organic luminous layer；
The cathode layer is formed in above the organic luminous layer, and is filled in first groove.
2. flexible display panels according to claim 1, which is characterized in that the flexible display panels further include that light takes out
Layer；Position on the cathode layer corresponding to first groove is formed with the second groove；
The smooth removing layer is formed in above the cathode layer, and is filled in second groove.
3. flexible display panels according to claim 2, which is characterized in that the flexible display panels further include encapsulation
Layer；Position on the smooth removing layer corresponding to second groove is formed with third groove；
The encapsulated layer is formed in above the smooth removing layer, and fills the full third groove.
4. flexible display panels according to claim 1, which is characterized in that the flexible display panels further include pixel limit
Given layer；
There is an at least recessed portion in the pixel confining layer；
The organic luminous layer is formed in above the pixel confining layer, and is filled in the recessed portion；First groove
It is formed in the position for corresponding to the recessed portion on the organic luminous layer.
5. flexible display panels according to claim 4, which is characterized in that the quantity of first groove is multiple.
6. flexible display panels according to claim 5, which is characterized in that have opening knot in the pixel confining layer
Structure, multiple first grooves are evenly distributed on the surrounding of the hatch frame.
7. flexible display panels according to claim 4, which is characterized in that have opening knot in the pixel confining layer
Structure, multiple first grooves are distributed in the surrounding of the hatch frame, and two first grooves of arbitrary neighborhood are mutual
Connection.
8. a kind of display device characterized by comprising flexible display panels described in any one of claims 1 to 7.
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| CN201821620488.8U CN208819885U (en) | 2018-09-30 | 2018-09-30 | Flexible display panels and display device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821620488.8U CN208819885U (en) | 2018-09-30 | 2018-09-30 | Flexible display panels and display device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111509015A (en) * | 2020-04-27 | 2020-08-07 | 武汉华星光电半导体显示技术有限公司 | Display panel and display device |
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2018
- 2018-09-30 CN CN201821620488.8U patent/CN208819885U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111509015A (en) * | 2020-04-27 | 2020-08-07 | 武汉华星光电半导体显示技术有限公司 | Display panel and display device |
| WO2021217820A1 (en) * | 2020-04-27 | 2021-11-04 | 武汉华星光电半导体显示技术有限公司 | Display panel and display apparatus |
| US11832481B2 (en) | 2020-04-27 | 2023-11-28 | Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Display panel and display device including adhesive through hole connecting cathode and pixel defining block |
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