CN109461757A - Display panel and preparation method thereof, display device - Google Patents

Display panel and preparation method thereof, display device Download PDF

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Publication number
CN109461757A
CN109461757A CN201811011946.2A CN201811011946A CN109461757A CN 109461757 A CN109461757 A CN 109461757A CN 201811011946 A CN201811011946 A CN 201811011946A CN 109461757 A CN109461757 A CN 109461757A
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CN
China
Prior art keywords
groove
layer
display panel
area
functional layer
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Pending
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CN201811011946.2A
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Chinese (zh)
Inventor
王晓伟
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Yungu Guan Technology Co Ltd
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Yungu Guan Technology Co Ltd
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Priority to CN201811011946.2A priority Critical patent/CN109461757A/en
Publication of CN109461757A publication Critical patent/CN109461757A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H01L27/00Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
    • H01L27/28Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including components using organic materials as the active part, or using a combination of organic materials with other materials as the active part
    • H01L27/32Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including components using organic materials as the active part, or using a combination of organic materials with other materials as the active part with components specially adapted for light emission, e.g. flat-panel displays using organic light-emitting diodes [OLED]
    • H01L27/3241Matrix-type displays
    • H01L27/3244Active matrix displays
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H01L27/00Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
    • H01L27/28Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including components using organic materials as the active part, or using a combination of organic materials with other materials as the active part
    • H01L27/32Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including components using organic materials as the active part, or using a combination of organic materials with other materials as the active part with components specially adapted for light emission, e.g. flat-panel displays using organic light-emitting diodes [OLED]
    • H01L27/3241Matrix-type displays
    • H01L27/3244Active matrix displays
    • H01L27/3246Pixel defining structures, e.g. banks
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H01L27/00Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
    • H01L27/28Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including components using organic materials as the active part, or using a combination of organic materials with other materials as the active part
    • H01L27/32Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including components using organic materials as the active part, or using a combination of organic materials with other materials as the active part with components specially adapted for light emission, e.g. flat-panel displays using organic light-emitting diodes [OLED]
    • H01L27/3241Matrix-type displays
    • H01L27/3244Active matrix displays
    • H01L27/326Active matrix displays special geometry or disposition of pixel-elements

Abstract

The present invention relates to technical field of display panel, a kind of display panel and preparation method thereof, display device are disclosed.The display panel includes the pixel defining layer and functional layer being cascading;Pixel defining layer is equipped with the first groove, and functional layer part falls into the first groove and is attached to the cell wall of the first groove, slot bottom, and the part that functional layer falls into the first groove forms the second groove for being nested in the first groove, is equipped with rivet clasp body in the second groove.By the above-mentioned means, the present invention can be improved the adhesive force between functional layer and pixel defining layer.

Description

Display panel and preparation method thereof, display device
Technical field
The present invention relates to technical field of display panel, fill more particularly to a kind of display panel and preparation method thereof, display It sets.
Background technique
AMOLED (Active-matrix organic light-emitting diode, active matrix organic light-emitting two Polar body or active-matrix organic light emitting diode) it is a kind of display screen technology.Wherein, OLED (organic light emitting diode) is description The concrete type of film display technology shows for organic electric-excitation luminescent.AM (active matrix body or active-matrix body) is Refer to the pixel addressing technique of behind.AMOLED technology is mainly used for smart phone at present, and continues towards low-power consumption, low cost, big Dimensional directions development.
For applying its functional film layer of the flexible panel of AMOLED technology at present in the reliability test of flexible AMOLED Adhesion strength is poor, when bend number reache a certain level after, the functional film layer of display device be easy to appear different degrees of removing/ Fracture/cracking occurs in separation or functional film layer.
Summary of the invention
In view of this, the invention mainly solves the technical problem of providing a kind of display panels and preparation method thereof, display Device can be improved the adhesive force between functional layer and pixel defining layer.
In order to solve the above technical problems, one technical scheme adopted by the invention is that: a kind of display panel is provided, the display Panel includes the pixel defining layer and functional layer being cascading;Pixel defining layer is equipped with the first groove, and functional layer part is fallen into Enter the first groove and be attached to the cell wall of the first groove, slot bottom, the part that functional layer falls into the first groove, which is formed, is nested in first Second groove of groove, the second groove is interior to be equipped with rivet clasp body.
In one embodiment of this invention, the area of the maximum cross section of the first groove is greater than the notch face of the first groove Product, and the area of the maximum cross section of the second groove is greater than the notch area of the second groove.
In one embodiment of this invention, rivet clasp body fills up the second groove.
In one embodiment of this invention, rivet clasp body is located at outside the first groove in the notch position and functional layer of the second groove Flush with portions;Or rivet clasp body is located at the part outside the first groove beyond functional layer in the notch position of the second groove and extends to Functional layer is located at the part outside the first groove.
In one embodiment of this invention, functional layer includes cathode layer and/or encapsulated layer.
In one embodiment of this invention, the portion's body ply being recessed on cathode layer forms the first depressed body, encapsulated layer fovea superior Sunken portion's body ply forms the second depressed body, and the first depressed body and the second depressed body are successively nested in the first groove, and first The opening area of depressed body is less than the area of its maximum cross section, and the opening area of the second depressed body is transversal less than its maximum The area in face.
In one embodiment of this invention, the area of the maximum cross section of the first depressed body is greater than the notch face of the first groove Product, and the area of the maximum cross section of the second depressed body is greater than the opening area of the first depressed body.
In one embodiment of this invention, display panel further includes viewing area and non-display area, and non-display area is around aobvious Show area and the two is disposed adjacent, the first groove is set in the pixel defining layer of non-display area, and the groove depth of the first groove is less than The thickness of pixel defining layer.
In order to solve the above technical problems, another technical solution that the present invention uses is: providing a kind of display device, this is aobvious Showing device includes driving circuit and such as the display panel that above-described embodiment is illustrated, driving circuit and display panel couple, and use Its display function is realized in driving display panel.
In order to solve the above technical problems, another technical solution that the present invention uses is: providing a kind of system of display panel Preparation Method, the preparation method include: that the first groove is formed in pixel defining layer;In pixel defining layer and in the first groove Form functional layer;Wherein, functional layer part falls into the first groove and is attached to the cell wall of the first groove, slot bottom, and functional layer is fallen into The part of first groove forms the second groove for being nested in the first groove;Rivet clasp body is filled in the second groove of functional layer.
The beneficial effects of the present invention are: being different from the prior art, the present invention provides a kind of display panel.The display panel packet Include the pixel defining layer and functional layer being cascading.Pixel defining layer is equipped with the first groove, and functional layer part falls into first Groove and it is attached to the cell wall of the first groove, slot bottom, to increase the contact area of functional layer and pixel defining layer, to improve function Adhesive force between ergosphere and pixel defining layer.Also, the part that functional layer falls into the first groove, which is formed, is nested in the first groove The second groove, rivet clasp body is equipped in the second groove.Functional layer is fixed in pixel defining layer using rivet clasp body, with further Improve the adhesive force between functional layer and pixel defining layer.
Detailed description of the invention
Fig. 1 is that the invention shows the structural schematic diagrams of one embodiment of panel;
Fig. 2 is the structural schematic diagram of one embodiment of trough body structure of the first groove and/or the second groove of the invention;
Fig. 3 is the structural schematic diagram of another embodiment of trough body structure of the first groove and/or the second groove of the invention;
Fig. 4 is that the invention shows the structural schematic diagrams of another embodiment of panel;
Fig. 5 is the structural schematic diagram of one embodiment of rivet clasp body of the present invention;
Fig. 6 is the flow diagram of one embodiment of preparation method the invention shows panel;
Fig. 7 is the structural schematic diagram of display panel in each step of preparation method shown in Fig. 6;
Fig. 8 is the structural schematic diagram of one embodiment of the display device of that present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description.
It is of the invention for the technical problem that adhesive force of the solution in the prior art between functional layer and pixel defining layer is poor First embodiment provides a kind of display panel.The display panel includes the pixel defining layer and functional layer being cascading.Picture Plain definition layer is equipped with the first groove, and functional layer part falls into the first groove and is attached to the cell wall of the first groove, slot bottom, functional layer The part for falling into the first groove forms the second groove for being nested in the first groove, is equipped with rivet clasp body in the second groove.It carries out below It elaborates.
Referring to Fig. 1, Fig. 1 is that the invention shows the structural schematic diagrams of one embodiment of panel.
In the reliability test of the flexible display panels of application AMOLED technology, flexible display panels are carried out tens of thousands of times The cripping test of bending, to detect performance of the flexible display panels in terms of bending reliability.In a cripping test, target is curved Folding number is 60,000 times, crooked process radius 5R, bending rate are 30rpm.Conventional flex display panel reaches 30,000 in bending number After more than secondary, occur to occur in different degrees of removing/separation or functional film layer between the functional film layer of display panel disconnected It splits/cracks, there are display panels aobvious non ageing quality problem occurs after cripping test.
In view of this, display panel 1 can be application flexibility AMOLED technology the present embodiment provides a kind of display panel 1 Display device.Display panel 1 includes the pixel defining layer 11 and functional layer 12 being cascading, the pixel of display panel 1 Adhesive force between definition layer 11 and functional layer 12 will be substantially better than conventional display panels, reliable with the bending for improving display panel Property.It is described in detail below.
The effect of pixel defining layer is to define the shape and size of pixel region in display panel (viewing area).And functional layer To participate in realizing the film layer set of display function and display panel encapsulation in display panel.Conventional pixel definition layer and functional layer Between by both adhesion strength, after hardening formed attachment combine.The simple adhesion strength for relying on pixel defining layer and functional layer It is formed by adhewsive action, bond strength is limited, is easy after multiple bending so as to cause pixel defining layer and functional layer Now removing/separation.
And in the present embodiment, pixel defining layer 11 is equipped with the first groove 111, and 12 part of functional layer falls into the first groove 111 and it is attached to cell wall, the slot bottom of the first groove 111.It is flat surface compared to pixel defining layer 11 and functional layer 12, this The pixel defining layer 11 that embodiment is illustrated increases its contact area between functional layer 12 by the first groove 111 of setting, To increase the bond strength between pixel defining layer 11 and functional layer 12, i.e., between raising functional layer 12 and pixel defining layer 11 Adhesive force.
Also, the part that functional layer 12 falls into the first groove 111 forms the second groove being nested in the first groove 111 121.It is equipped with rivet clasp body 13 in second groove 121, functional layer 12 is fallen into the jail of the part in the first groove 111 using rivet clasp body 13 Jail is locked in pixel defining layer 11, to further increase the bond strength between pixel defining layer 11 and functional layer 12, is mentioned Adhesive force between high functional layer 12 and pixel defining layer 11.
Further, the trough body structure of the first groove 21 and/or the second groove 22 can for slot body cross-sectional area big, slot The small structure type of open area, as shown in Figure 2;Or first the trough body structure of groove 111 and/or the second groove 121 be slot body Cross-sectional area structure type identical with notch area, as shown in Figure 1;Also or the first groove 31 and/or the second groove 32 Trough body structure be small, structure type that notch area is big of slot body cross-sectional area etc., as shown in Figure 3.The present embodiment is with first The trough body structure of groove 111 and/or the second groove 121 is for slot body cross-sectional area structure type identical with notch area It is illustrated, only discusses and need, it is not limited here.
It should be noted that the present embodiment illustrates that the slot body cross section of the first groove 111 and/or the second groove 121 is fixed Justice is along the slot body section of thickness direction the first groove 111 of interception and/or the second groove 121 perpendicular to display panel 1.
Above as can be seen that display panel provided by the present embodiment, by the way that the first groove is arranged in pixel defining layer, and And so that functional layer part is fallen into the first groove and be attached to the cell wall of the first groove, slot bottom, to increase functional layer and pixel definition The contact area of layer, to improve the adhesive force between functional layer and pixel defining layer.Also, functional layer falls into the first groove Part forms the second groove for being nested in the first groove, is equipped with rivet clasp body in the second groove.Functional layer is fixed using rivet clasp body In in pixel defining layer, to further increase the adhesive force between functional layer and pixel defining layer.
Referring to Fig. 4, Fig. 4 is that the invention shows the structural schematic diagrams of another embodiment of panel.
In this example it is shown that panel 4 includes the pixel defining layer 41 and functional layer 42 being cascading.Pixel is fixed Adopted layer 41 is equipped with the first groove 411, and 42 part of functional layer falls into the first groove 411 and is attached to cell wall, the slot of the first groove 411 Bottom, to increase its contact area between functional layer 42, to improve the attachment between functional layer 42 and pixel defining layer 41 Power.
Also, the part that functional layer 42 falls into the first groove 411 forms the second groove being nested in the first groove 411 421.It is equipped with rivet clasp body 43 in second groove 421, functional layer 42 is fallen into the jail of the part in the first groove 411 using rivet clasp body 43 Jail is locked in pixel defining layer 41, to further increase the bond strength between pixel defining layer 41 and functional layer 42, is mentioned Adhesive force between high functional layer 42 and pixel defining layer 41.
In the present embodiment, the area of the maximum cross section of the first groove 411 is greater than the notch area of the first groove 411, And second groove 421 maximum cross section area be greater than the second groove 421 notch area.By the above-mentioned means, due to The area of the maximum cross section of one groove 411 is greater than the notch area of the first groove 411, therefore functional layer 42 falls into the first groove Part in 411 cooperatively forms locking structure with the first groove 411, and the part that functional layer 42 is fallen into the first groove 411 can lock It terminates in the first groove 411, is not easy to be detached from from the first groove 411, prevents functional layer 42 and pixel definition to a certain extent Peeling-off between layer 41/separation.Similarly, the area of the maximum cross section of the second groove 421 is greater than the notch of the second groove 421 Area avoids rivet clasp body 43 from second recessed so that the rivet clasp body 43 filled in the second groove 421 is locked in the second groove 421 It is detached from slot 421, to guarantee rivet clasp body 43 to the reliability of 42 fixed function of functional layer.
It should be noted that the present embodiment is the two with the maximum cross section of the first groove 411 and/or the second groove 421 Slot bottom for be illustrated, only discuss need, the first groove 411 and/or second not thereby is illustrated to the present embodiment The trough body structure of groove 421 causes to limit.It is understood that the maximum of the first groove 411 and/or the second groove 421 is transversal It can be in any position of the two in addition to notch position at face.
Further, rivet clasp body 43 is full of the second groove 421, and rivet clasp body 43 is in the notch position of the second groove 421 It is located at the flush with portions outside the first groove 411 with functional layer 42, functional layer 42 is fixed on the first groove 411 using rivet clasp body 43 In, i.e., functional layer 42 is fixed in pixel defining layer 41.
Please refer to Fig. 5.In other embodiments of the invention, make to be further ensured that rivet clasp body 51 is fixed to functional layer 52 Reliability, rivet clasp body 51 are located at the part outside the first groove 53 beyond functional layer 52 in the notch position of the second groove 521 And extend to the part that functional layer 52 is located at outside the first groove 53.Part of the rivet clasp body 51 outside the notch of the second groove 521 is attached In 52 surface of functional layer, to increase the contact area between 52 surface of rivet clasp body 51 and functional layer, thus improve rivet clasp body 51 with The bond strength of functional layer 52, and then guarantee rivet clasp body 51 to the reliability of 52 fixed function of functional layer.
Please continue to refer to Fig. 4.Further, functional layer 42 may include cathode layer 422 and/or encapsulated layer 423.Display surface Plate 4 further includes organic light emitting material 44 and anode layer 45.Cathode layer 422 is used to drive organic light emission jointly with anode layer 45 Material layer 44 shines, so that display panel 4 be driven to realize its display function.Encapsulated layer 423 is to be covered on 422 surface of cathode layer Thin-film packing structure avoids the water of external environment for 4 internal electronic component of display panel to be isolated with extraneous steam etc. Vapour invades display panel 4, causes display panel 4 that the quality problems such as display failure occur.
Wherein, pixel defining layer 41 is as cathode layer 422, encapsulated layer 423, organic light emitting material 44 and anode layer 45 Common carrier.Display panel 4 includes viewing area 46 and non-display area 47, and non-display area 47 surrounds viewing area 46 and the two It is disposed adjacent.Viewing area 46 is defined as being provided with the region of organic light emitting material 44 in pixel defining layer 41, and non-display area 47 regions to be not provided with organic light emitting material 44 in pixel defining layer 41.It is organic to avoid the first groove 411 from influencing The aperture opening ratio of luminous material layer 44, the first groove 411 are set in the pixel defining layer 41 of non-display area 47.In pixel defining layer Rivet clasp body 43 is arranged in non-display area 47 on 41, is improving the adhesive force between functional layer 42 and pixel defining layer 41, is avoiding function Ergosphere 42 occurs to tilt or fall off when display panel 4 is bent, while can be avoided the opening for influencing organic light emitting material 44 Rate, to avoid the display area for influencing display panel 4.
The portion's body ply being recessed on cathode layer 422 forms the first depressed body 4221, the portion's body ply being recessed on encapsulated layer 423 Form the second depressed body 4231.First depressed body 4221 and the second depressed body 4231 are successively nested in the first groove 411, the One depressed body 4221 is attached to cell wall, the slot bottom of the first groove 411, and the second depressed body 4231 is attached to 4221 table of the first depressed body Face.It should be noted that the first depressed body 4221 is bonded setting, and the second depressed body 4231 and first with the first groove 411 The fitting setting of depressed body 4221, to avoid, there are air remnants, the normal work of display panel 4 is influenced in display panel 4.
Since the area of the maximum cross section of the first groove 411 is greater than the notch area of the first groove 411, so that first is recessed The whole structure trend that " slot body is big, notch is small " is presented of slot 411, is conducive to further fix cathode layer 422 and encapsulated layer 423.And since the first depressed body 4221 is bonded setting, the second depressed body 4231 and the first depressed body with the first groove 411 4221 fitting settings.Accordingly, the opening area of the first depressed body 4221 is less than the area of its maximum cross section, and described the The opening area of two depressed bodies 4231 is less than the area of its maximum cross section.
Further, the area of the maximum cross section of the first depressed body 4221 is greater than the notch area of the first groove 411, and And second depressed body 4231 maximum cross section area be greater than the first depressed body 4221 opening area.By the above-mentioned means, Form locking structure between first depressed body 4221 and the first groove 411, the second depressed body 4231 and the first depressed body 4221 it Between form locking structure so that the first groove 411, the first depressed body 4221 and the second depressed body 4231 successively nested locking, Largely avoid it is peeling-off between 4231 three of the first groove 411, the first depressed body 4221 and the second depressed body/point From phenomenon, to guarantee the bending reliability of pixel defining layer 41, cathode layer 422 and encapsulated layer 423.
It should be noted that due to being disposed with other electronic components under the pixel defining layer 41 of display panel 4.To avoid Caused interlayer mismatch is penetrated through between layers, and the groove depth of the first groove 411 need to be less than the thickness of pixel defining layer 41, also It is the first groove 411 not through pixel defining layer 41.
In the present embodiment, in the second depressed body 4231 far from the first depressed body 4221 the second groove of surface composition 421, Rivet clasp body 43 is equipped in second groove 421.Since display panel 4 is flexible bendable structure, bending is performed in display panel 4 In the case where movement, the rivet clasp body 43 in the second groove 421 equally will receive different degrees of stretching/compressing.Therefore, rivet clasp body 43 must select the flexible material of stretchable/compression in materials.Optionally, rivet clasp body 43 can be acrylic and/or resin Equal flexible materials, by filling above-mentioned flexible material in the second groove 421, to form rivet clasp body 43, thus by cathode layer 422 And encapsulated layer 423 is firmly lockked in pixel defining layer 41.
Wherein, acrylic also known as PMMA or organic glass, chemical name are polymethyl methacrylate, are a kind of important Plastic macromolecule material, have many advantages, such as the preferable transparency, chemical stability and weatherability, easy dyeing, easy processing.And Resin can refer to chemically reacted as simple organic through chemical synthesis or certain natural products obtained from synthetic resin product, Such as phenolic resin, Corvic, synthetic resin are the main components of plastics.Certainly, resin used in rivet clasp body 43 Material may be natural resin, it is not limited here.
Further, it is additionally provided with supporting course 48 in pixel defining layer 41 corresponding to the non-display area 47 of display panel 4, Functional layer 42 covers the setting of supporting layer 48 together.Due to also needing setting cover board (not mark in figure on the encapsulated layer 423 of display panel 4 Know), to avoid cover board from compressing the film layer structures such as the organic light emitting material 44 in pixel defining layer 41 and anode layer 45, cause It is damaged, and supporting course 48 is arranged in the present embodiment in pixel defining layer 41, cover board is handled by the top of supporting course 48, to avoid cover board The partial function film layer in pixel defining layer 41 is compressed, to play a protective role.
It should be noted that one layer of viscose glue can also be arranged between the encapsulated layer 423 and cover board of usually display panel 4, it is used for Cover board is adhered on encapsulated layer 423.For the processing procedure process for reducing display panel 4, preparation cost is saved, the present embodiment is illustrated Rivet clasp body 43 can viscose glue between encapsulated layer 423 and cover board fill the formation of the second groove 421, because without additional Form the processing procedure process of rivet clasp body 43.
In conclusion display panel provided by the present embodiment, by the way that the first groove is arranged in pixel defining layer, and makes Functional layer part falls into the first groove and is attached to the cell wall of the first groove, slot bottom, to increase functional layer and pixel defining layer Contact area, to improve the adhesive force between functional layer and pixel defining layer.Also, functional layer falls into the part of the first groove The second groove for being nested in the first groove is formed, is equipped with rivet clasp body in the second groove.Functional layer is fixed on picture using rivet clasp body On plain definition layer, to further increase the adhesive force between functional layer and pixel defining layer.In addition, " slot body is presented in the first groove Greatly, notch is small " structure trend so that falling into the cathode layer of the first groove, encapsulated layer and rivet clasp body forms nested locking knot Structure can be avoided the first groove, cathode layer, mutually removing/separation between adjacent structure in encapsulated layer and rivet clasp body, to guarantee The bending reliability of display panel.
Fig. 6-7 is please referred to, Fig. 6 is the flow diagram of one embodiment of preparation method the invention shows panel, and Fig. 7 is figure The structural schematic diagram of display panel in each step of preparation method shown in 6.The illustrated display surface of the present embodiment is illustrated in general below The preparation method of plate.It should be noted that the preparation method of the illustrated display panel of the present embodiment is not limited to following steps.
S101: the first groove is formed in pixel defining layer;
In the present embodiment, the etching technics that exposure development can be used etches the first groove in pixel defining layer 61 611.First groove 611 (can use different light transmissions by etching technics is obtained with along with from pixel defining layer 61 on mask plate Characteristic).Or first groove 611 be made respectively by different etching process procedure with pixel defining layer 61, it is not limited here.
Further, by the first groove 611 obtained by etching technics, slot bottom area is greater than notch area, so that The whole structure trend that " slot bottom is big, notch is small " is presented of first groove 611.Meanwhile first groove 611 maximum cross section position In slot bottom, the first groove 611 of preparation can reduce to the technology and procedure calls of etching technics.If the first groove 611 Maximum cross section position be in position in addition to notch and slot bottom, this will make the trough body structure of the first groove 611 There are the parts of different extension trend, higher to the technology and procedure calls of etching technics.
It should be noted that the groove depth of the first groove 611 need to be less than the thickness of pixel defining layer 61, i.e. the first groove 611 Pixel defining layer 61 cannot be run through.Its reason is to be disposed with other electronic components of display panel under pixel defining layer 61, To avoid penetrating through caused interlayer mismatch between layers, the groove depth of the first groove 611 need to be less than the thickness of pixel defining layer 61 Degree, that is, the first groove 611 cannot run through pixel defining layer 61.
S102: functional layer is formed in pixel defining layer and in the first groove;
In the present embodiment, after forming the first groove 611 in pixel defining layer 61, the preparation work of functional layer 62 can be carried out Sequence.Functional layer 62 is formed specially in pixel defining layer 61 and in the first groove 611.It is recessed that 62 part of functional layer falls into first Slot 611 and cell wall, the slot bottom for being attached to the first groove 611.By the way that the first groove 611 is arranged in pixel defining layer 61, increase Contact area between pixel defining layer 61 and functional layer 62, to improve attached between pixel defining layer 61 and functional layer 62 Put forth effort.Wherein, the part that functional layer 62 falls into the first groove 611 forms the second groove 621 for being nested in the first groove 611.
Optionally, functional layer 62 may include cathode layer and encapsulated layer etc..The material and system of cathode layer and encapsulated layer Standby technique is within the understanding scope of those skilled in the art, and details are not described herein again.
S103: rivet clasp body is filled in the second groove of functional layer;
In the present embodiment, to further increase the adhesive force between pixel defining layer 61 and functional layer 62, in functional layer Filling flexible material (acrylic and resin as escribed above etc.) in 62 the second groove 621, to form rivet clasp body 63.It utilizes The part that functional layer 62 falls into the first groove 611 is locked among the first groove 611 by rivet clasp body 63, thus by 62 jail of functional layer Securely due in pixel defining layer 61, the bending reliability of display panel is improved.
Referring to Fig. 8, Fig. 8 is the structural schematic diagram of one embodiment of the display device of that present invention.
In this example it is shown that device 7 includes driving circuit 71 and display panel 72, driving circuit 71 and display surface Plate 72 couples, for driving display panel 72 to realize its display function.Wherein, display panel 72 is illustrated by above-described embodiment Display panel, details are not described herein again.
Mode the above is only the implementation of the present invention is not intended to limit the scope of the invention, all to utilize this Equivalent structure or equivalent flow shift made by description of the invention and accompanying drawing content, it is relevant to be applied directly or indirectly in other Technical field is included within the scope of the present invention.

Claims (10)

1. a kind of display panel, which is characterized in that the display panel includes the pixel defining layer and function being cascading Layer;
The pixel defining layer is equipped with the first groove, and the functional layer part falls into first groove and is attached to described first Cell wall, the slot bottom of groove, the part that the functional layer falls into first groove, which is formed, is nested in the second of first groove Groove, second groove is interior to be equipped with rivet clasp body.
2. display panel according to claim 1, which is characterized in that the area of the maximum cross section of first groove is big In the notch area of first groove, and the area of the maximum cross section of second groove is greater than the slot of second groove Open area.
3. display panel according to claim 1, which is characterized in that the rivet clasp body fills up second groove.
4. display panel according to claim 3, which is characterized in that the rivet clasp body is in the notch position of second groove Set the flush with portions being located at outside first groove with the functional layer;
Or the rivet clasp body is located at the portion outside first groove beyond the functional layer in the notch position of second groove Divide and extends to the part that the functional layer is located at outside first groove.
5. display panel according to any one of claims 1 to 4, which is characterized in that the functional layer include cathode layer and/ Or encapsulated layer.
6. display panel according to claim 5, which is characterized in that portion's body ply for being recessed on cathode layer composition the One depressed body, the portion's body ply being recessed on the encapsulated layer form the second depressed body, first depressed body and described second Depressed body is successively nested in first groove, and the opening area of first depressed body is less than the face of its maximum cross section Product, and the opening area of second depressed body is less than the area of its maximum cross section.
7. display panel according to claim 6, which is characterized in that the area of the maximum cross section of first depressed body Greater than the notch area of first groove, and the area of the maximum cross section of second depressed body is recessed greater than described first Fall into the opening area of body.
8. display panel according to claim 1, which is characterized in that the display panel further includes viewing area and non-aobvious Show area, the non-display area is around the viewing area and the two is disposed adjacent, and first groove is set to described non-display In the pixel defining layer in area, the groove depth of first groove is less than the thickness of the pixel defining layer.
9. a kind of display device, which is characterized in that the display device includes that driving circuit and such as claim 1 to 8 are any Display panel described in, the driving circuit and the display panel couple, and for driving the display panel to realize, it is aobvious Show function.
10. a kind of preparation method of display panel, which is characterized in that the preparation method includes:
The first groove is formed in pixel defining layer;
Functional layer is formed in the pixel defining layer and in first groove;Wherein, the functional layer part falls into institute It states the first groove and is attached to cell wall, the slot bottom of first groove, the functional layer falls into the part shape of first groove At the second groove for being nested in first groove;
Rivet clasp body is filled in second groove of the functional layer.
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110112195A (en) * 2019-04-30 2019-08-09 武汉华星光电半导体显示技术有限公司 Display panel
CN110739343A (en) * 2019-11-29 2020-01-31 合肥维信诺科技有限公司 Display panel, preparation method thereof and display device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170047541A1 (en) * 2015-08-10 2017-02-16 Japan Display Inc. Display device
CN106449702A (en) * 2016-09-20 2017-02-22 上海天马微电子有限公司 Organic light emitting display panel and manufacturing method
CN106653818A (en) * 2017-01-23 2017-05-10 上海天马有机发光显示技术有限公司 Display panel, display apparatus and preparation method for display panel
CN108023028A (en) * 2016-10-31 2018-05-11 乐金显示有限公司 Back plane substrate and the flexible display using back plane substrate
CN108364987A (en) * 2018-02-24 2018-08-03 京东方科技集团股份有限公司 Display base plate and preparation method thereof, display device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170047541A1 (en) * 2015-08-10 2017-02-16 Japan Display Inc. Display device
CN106449702A (en) * 2016-09-20 2017-02-22 上海天马微电子有限公司 Organic light emitting display panel and manufacturing method
CN108023028A (en) * 2016-10-31 2018-05-11 乐金显示有限公司 Back plane substrate and the flexible display using back plane substrate
CN106653818A (en) * 2017-01-23 2017-05-10 上海天马有机发光显示技术有限公司 Display panel, display apparatus and preparation method for display panel
CN108364987A (en) * 2018-02-24 2018-08-03 京东方科技集团股份有限公司 Display base plate and preparation method thereof, display device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110112195A (en) * 2019-04-30 2019-08-09 武汉华星光电半导体显示技术有限公司 Display panel
CN110739343A (en) * 2019-11-29 2020-01-31 合肥维信诺科技有限公司 Display panel, preparation method thereof and display device

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