CN110021649A - A kind of OLED display panel - Google Patents
A kind of OLED display panel Download PDFInfo
- Publication number
- CN110021649A CN110021649A CN201910242071.5A CN201910242071A CN110021649A CN 110021649 A CN110021649 A CN 110021649A CN 201910242071 A CN201910242071 A CN 201910242071A CN 110021649 A CN110021649 A CN 110021649A
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- area
- barricade
- cutting
- display panel
- oled display
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/84—Passivation; Containers; Encapsulations
- H10K50/844—Encapsulations
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/122—Pixel-defining structures or layers, e.g. banks
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
The application provides a kind of OLED display panel, including viewing area, cutting area and the cabling area between the viewing area and the cutting area;Cutting Road and the first barricade are equipped in the cutting area, first barricade is located at the Cutting Road close to the side in the cabling area, and is arranged along the Cutting Road extending direction;At least two first barricades are spaced apart along the cutting area to the direction in the cabling area;Cathode layer is prepared in the viewing area, the cabling area and the cutting area;Wherein, the cathode layer corresponds to the part of the cutting area and the part in the corresponding cabling area is in off-state at first barricade, to promote the reliability of cutting section after OLED display panel cutting.
Description
Technical field
This application involves field of display technology more particularly to a kind of OLED display panels.
Background technique
With the arrival in comprehensive screen epoch, the application of flexible display obtains a period for sufficiently showing advantage, utilizes
The specific properties of flexible bendable can realize ultra-narrow frame, even boundless by the frame folded concealed of display in back
Frame effect.Meanwhile screen also brings some other technical problems, such as front camera to will have to be placed in face and show comprehensively
Region, " Liu Haiping " seen on the market this creates the terminal us, " water droplet screen " etc. make these abnormity display screen needs
Use abnormity cutting technology, such as U-CUT, O-CUT.When especially O-CUT, since the possible face in display surface occurs for cutting
The problem of facing reliability, such as cutting section crack risk, moisture attacks risk etc..
Therefore, the prior art is defective, needs to improve.
Summary of the invention
The application provides a kind of OLED display panel, to solve to produce in display surface when existing display panel carries out abnormity cutting
Raw crackle risk and moisture attacks risk etc..
To solve the above problems, technical solution provided by the present application is as follows:
The application provides a kind of OLED display panel, including viewing area, cutting area and be located at the viewing area with it is described
Cabling area between cutting area;
Cutting Road and the first barricade are equipped in the cutting area, first barricade is located at the Cutting Road close to described
The side in cabling area, and be arranged along the Cutting Road extending direction;
At least two first barricades are spaced apart along the cutting area to the direction in the cabling area;
Cathode layer is prepared in the viewing area, the cabling area and the cutting area;
Wherein, the cathode layer corresponds to the part of the cutting area with the part in the corresponding cabling area in the first gear
It is in off-state at wall.
In the OLED display panel of the application, gap, the cathode layer are formed between adjacent two first barricade
It is disconnected in the gap location.
In the OLED display panel of the application, the width in the gap between adjacent two first barricade is 1um
Between~30um.
In the OLED display panel of the application, the height of adjacent two first barricade is equal or different.
In the OLED display panel of the application, first barricade is by the inoranic membrane in the OLED display panel and has
Machine film is superimposed to be formed.
In the OLED display panel of the application, first barricade include gate insulation layer, interlayer insulating film, passivation layer,
One of planarization layer, pixel defining layer and separation pad or more than one material are formed.
In the OLED display panel of the application, it is equipped with signal lead and the second barricade in the cabling area, described the
Second gear walled is distributed around the viewing area.
In the OLED display panel of the application, the height of second barricade is less than the height of first barricade.
In the OLED display panel of the application, second barricade includes one of pixel defining layer and separation pad
Or more than one material is formed.
In the OLED display panel of the application, the first gear walled is in continuously distributed around the Cutting Road, or is surrounded
The Cutting Road is spaced apart in multisection type.
The application's has the beneficial effect that compared to existing special-shaped display panel, OLED display panel provided by the present application,
Barricade is added by the Cutting Road periphery in abnormity cutting area, which can be used as stress release layer, stop because generating after cutting
Crackle continue the path that into face viewing area extends, in addition can also stop to cut it is exposed after extraneous steam intrusion path and
The path that viewing area extends into face after exposed electrode corrosion, to promote the letter of cutting section after special-shaped display panel cutting
Lai Du reduces face internal fissure occurrence risk and stops moisture attacks and electrode corrosion, it is ensured that the performance of display panel.
Detailed description of the invention
It, below will be to embodiment or the prior art in order to illustrate more clearly of embodiment or technical solution in the prior art
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only some of application
Embodiment for those of ordinary skill in the art without creative efforts, can also be attached according to these
Figure obtains other attached drawings.
Fig. 1 is a kind of partial schematic diagram of OLED display panel provided by the embodiments of the present application;
Fig. 2 is OLED display panel in Fig. 1 along the sectional view of M-M ';
Fig. 3 is the partial schematic diagram of another OLED display panel provided by the embodiments of the present application;
Fig. 4 is the partial schematic diagram of another OLED display panel provided by the embodiments of the present application.
Specific embodiment
The explanation of following embodiment is referred to the additional illustration, the particular implementation that can be used to implement to illustrate the application
Example.The direction term that the application is previously mentioned, such as [on], [under], [preceding], [rear], [left side], [right side], [interior], [outer], [side]
Deng being only the direction with reference to annexed drawings.Therefore, the direction term used be to illustrate and understand the application, rather than to
Limit the application.The similar unit of structure is with being given the same reference numerals in the figure.
The application for existing special-shaped display panel, ask by the lower technology of reliability for depositing cutting section after dicing
Topic, the present embodiment are able to solve the defect.
As shown in Figure 1, being a kind of partial schematic diagram of OLED display panel provided by the embodiments of the present application.The OLED is aobvious
Show that panel includes viewing area A, cutting area C and the cabling area B between the viewing area A and the cutting area C.It is described to cut
It cuts and is equipped with Cutting Road 500 and the first barricade 300 in area C, first barricade 300 is located at the Cutting Road 500 close to described
The side of cabling area B, and be arranged along 500 extending direction of Cutting Road.Wherein, at least two first barricades 300 are along described
Cutting area C is spaced apart to the direction of the cabling area B.
First barricade 300 by the OLED display panel inoranic membrane and organic film be superimposed and formed.And it is adjacent
It is formed with gap between two first barricades 300, the width in the gap is between 1um~30um.
First barricade 300 can be in continuously distributed around the Cutting Road 500, or be in around the Cutting Road 500
Multisection type is spaced apart, or is interspersed, herein with no restrictions.
Two first barricades 300 are only illustrated in figure, but it is not limited to this, in other embodiments, the cutting
It is provided with multiple first barricades 300 in area C, and successively divides along the cutting area C to the direction interval of the cabling area B
Cloth.
In another embodiment, first barricade 300 is located in the cabling area B close to the one of the cutting area C
Side.
In another embodiment, it is leaned in the peripheral and described cabling area B of the Cutting Road 500 of the cutting area C
The side of the nearly cutting area C is provided with first barricade 300.
When the general OLED display panel carries out evaporation cathode layer material, the cathode layer of formation can cover the viewing area
A, the cabling area B and cutting area C.Since the gap between adjacent two first barricade 300 is smaller, work as yin
Pole layer material is in vapor deposition, due to the barrier action of " M shape " ridge structure formed by adjacent two first barricade 300,
Only minimal amount of evaporation material can enter the gap between first barricade 300, and the continuity of cathode layer is with regard to this quilt
It interrupts.After the cathode layer of cutting section is because of the exposed corrosion effect of generation outside after cutting, corrosion can be taken advantage of a situation spreads into face, and
The open circuit of the cathode layer as caused by first barricade 300 can will just corrode pathway disruption, in protection face from
It corrodes.
It is to answer in the 300 gully bottom of the first barricade in addition, being influenced by the 300 fluctuating pattern of the first barricade
Power most concentrated area, the crackle generated after cutting can terminate here, i.e. stress " the M shape " that is formed in first barricade 300
It is released at ridge structure, so that Crack prevention continues to extend into face.In addition, the complicated pattern of first barricade 300
Structure can also obstruct in the steam intrusion face of external environment.
As shown in Fig. 2, being OLED display panel in Fig. 1 along the sectional view of M-M '.The OLED display panel includes glass
Substrate 1 is prepared with multilayer inoranic membrane and organic film on the glass substrate 1, is prepared with array distribution in the viewing area A
Thin film transistor (TFT) 100 and OLED device 200 are prepared with signal lead 15 in the cabling area B.Wherein, multilayer inoranic membrane
It include but is not limited to flexible layer 2 (polyimide film), buffer layer 3, the first gate insulation layer 4, the second gate insulation layer with organic film
5, interlayer insulating film 6, passivation layer 7, the first flatness layer 8, the second flatness layer 9, pixel defining layer 10, separation pad 11 and film envelope
Fill layer etc..
Cutting Road (as shown in figure 1 500) and the first barricade 300, first barricade 300 are equipped in the cutting area C
Positioned at the Cutting Road close to the side of the cabling area B.In the figure two first barricades 300 along the cutting area C to
The direction of the cabling area B is spaced apart.The width in the gap between adjacent two first barricade 300 be 5um~
Between 10um.
First barricade 300 is superimposed by multilayer inoranic membrane and organic film to be formed.First barricade 300 includes but unlimited
In first gate insulation layer 4, second gate insulation layer 5, the interlayer insulating film 6, the passivation layer 7, described first flat
One of smooth layer 8, second flatness layer 9, the pixel defining layer 10 and described separation pad 11 or more than one material
Material superposition is formed.
Wherein, the OLED device 200 includes anode layer 201, luminescent layer 202 and cathode layer 203, the cathode layer
203 it is entire be prepared on the display panel, due to the design of first barricade 300 so that the cathode layer 203 steam
It plates in processing procedure, only minimal amount of evaporation material can enter the gap between first barricade 300, therefore, so that institute
The part for stating the corresponding cutting area C of cathode layer 203 is formed with the part of the corresponding cabling area B in first barricade 300
The gap location be in off-state, so that the metal in face be prevented to be corroded.
In the present embodiment, the height of adjacent two first barricade 300 is equal, and but it is not limited to this, in other embodiments
In, the height of adjacent two first barricade 300 can also be unequal, as long as can cause the pattern of height fluctuating and can interrupt
The continuity of the cutting area C and the cabling area B internal cathode layer or metallic signal lines.
The second barricade 400 is additionally provided in the cabling area B, second barricade 400 is distributed around the viewing area A.Its
In, second barricade 400 includes that one of pixel defining layer 10 and the separation pad 11 or more than one material are folded
Add to be formed.
In the present embodiment, the height of second barricade 400 is less than the height of first barricade 300, and to institute
State the number of the second barricade 400 with no restrictions.
The display panel further includes multilayer inoranic membrane and the organic film thin-film encapsulation layer that alternately superposition is formed, in figure only with
First inorganic encapsulated layer 12, organic encapsulation layer 13, the second inorganic encapsulated layer 14 three-decker for.Wherein, organic envelope
Dress layer 13 is stopped by second barricade 400, to prevent the organic encapsulation layer 13 from overflowing to guarantee the thin-film encapsulation layer
Reliability.The first inorganic encapsulated layer 12 is formed in second barricade with the second inorganic encapsulated layer 14 stacking
400 and first barricade 300 surface so that second barricade 400 and first barricade 300 form " M shape "
Ridge structure.
When being cut to the cutting area C, the stress of generation can from the cutting area C to the cabling area B and
The viewing area A conduction, when stress, which arrives greatly, cracks the inorganic film near the Cutting Road, conducts in crackle to " M
It can be terminated here when shape " ridge structure, stress is released, so that Crack prevention continues to extend into face.And described second
Barricade 400 also plays the effect of second protective barrier simultaneously, further enhances the reliability of cutting section.
In another embodiment, the cathode layer 203 can also be broken at second barricade 400, and described second
The distribution of barricade 400 is similar to the distribution of first barricade 300, so that further strengthening prevents metal electrode in face to be corroded
Risk.
In the present embodiment, in addition the preparation of first barricade 300 and second barricade 400 and not having to increases new
Making technology is formed on the basis of existing OLED display panel making technology.That is, being carried out in the viewing area A
When patterned processing procedure, be completed at the same time the cutting area C first barricade 300 and the cabling area B described second
The patterning process of barricade 400.
For example, first barricade 300 is forming source-drain electrode via hole, 10 pattern of anode via hole and the pixel defining layer
It is formed when changing with the separation pad 11 patterning;Second barricade 400 is in the pixel defining layer 10 and the separation pad 11
It is formed when being patterned.
The present embodiment to the cross sectional shape of single first barricade 300 without limitation, can for triangle, it is trapezoidal and
Other polygons etc..But because guaranteeing to form gap deep enough between adjacent two first barricade 300, to guarantee the yin
Pole layer 203 can be broken in the gap location.
As shown in figure 3, for the partial schematic diagram of another OLED display panel provided by the embodiments of the present application.The OLED
Display panel includes viewing area A, cutting area C and the cabling area B between the viewing area A and the cutting area C.It is described
Cutting area C is located at the inside of the viewing area A, and is equipped with Cutting Road 500 and the first barricade 300, first barricade 300
In the Cutting Road 500 close to the side of the cabling area B, and around the Cutting Road 500 1 circle setting.Wherein, at least two
First barricade 300 is spaced apart along the cutting area C to the direction of the cabling area B.And adjacent two first gear
Gap is formed between wall 300, cathode layer is broken in the gap location, specifically please refers to the description in Fig. 1, details are not described herein again.
As shown in figure 4, being the partial schematic diagram of another OLED display panel provided by the embodiments of the present application.The OLED
Display panel includes viewing area A, cutting area C and the cabling area B between the viewing area A and the cutting area C.It is described
Cutting area C is U-shaped region, interior to be equipped with Cutting Road 500 and the first barricade 300, and first barricade 300 is located at the Cutting Road
500 close to the side of the cabling area B, and is arranged along 500 extending direction of Cutting Road.Wherein, at least two first gear
Wall 300 is spaced apart along the cutting area C to the direction of the cabling area B.And shape between adjacent two first barricade 300
At gap, cathode layer is broken in the gap location, specifically please refers to the description in Fig. 1, details are not described herein again.
In conclusion OLED display panel provided by the present application, adds gear by the Cutting Road periphery in abnormity cutting area
Wall, the barricade can be used as stress release layer, stop to continue the path that viewing area extends into face because of the crackle generated after cutting, separately
The viewing area extension into face behind the outer path that can also stop to cut exposed rear extraneous steam intrusion and exposed electrode corrosion
Path, to promote the reliability of cutting section after special-shaped display panel cutting, reduce face internal fissure occurrence risk and stop water
Vapour corrodes and electrode corrosion, it is ensured that the performance of display panel.In addition, existing equipment and technique can make, without changing machine and increase
Other extra costs.
Although above preferred embodiment is not to limit in conclusion the application is disclosed above with preferred embodiment
The application processed, those skilled in the art are not departing from spirit and scope, can make various changes and profit
Decorations, therefore the protection scope of the application subjects to the scope of the claims.
Claims (10)
1. a kind of OLED display panel, which is characterized in that cut including viewing area, cutting area and positioned at the viewing area with described
Cut the cabling area between area;
Cutting Road and the first barricade are equipped in the cutting area, first barricade is located at the Cutting Road close to the cabling
The side in area, and be arranged along the Cutting Road extending direction;
At least two first barricades are spaced apart along the cutting area to the direction in the cabling area;
Cathode layer is prepared in the viewing area, the cabling area and the cutting area;
Wherein, the cathode layer corresponds to the part of the cutting area with the part in the corresponding cabling area at first barricade
In off-state.
2. OLED display panel according to claim 1, which is characterized in that be formed between adjacent two first barricade
Gap, the cathode layer are disconnected in the gap location.
3. OLED display panel according to claim 2, which is characterized in that described between adjacent two first barricade
The width in gap is between 1um~30um.
4. OLED display panel according to claim 1, which is characterized in that the height of adjacent two first barricade is equal
Or differ.
5. OLED display panel according to claim 1, which is characterized in that first barricade is by the OLED display surface
Inoranic membrane and organic film on plate are superimposed to be formed.
6. OLED display panel according to claim 5, which is characterized in that first barricade includes gate insulation layer, layer
Between one of insulating layer, passivation layer, planarization layer, pixel defining layer and separation pad or more than one material formed.
7. OLED display panel according to claim 1, which is characterized in that in the cabling area be equipped with signal lead and
Second barricade, the second gear walled are distributed around the viewing area.
8. OLED display panel according to claim 7, which is characterized in that the height of second barricade is less than described the
The height of one barricade.
9. OLED display panel according to claim 7, which is characterized in that second barricade include pixel defining layer with
And one of separation pad or more than one material are formed.
10. OLED display panel according to claim 1, which is characterized in that the first gear walled is around the Cutting Road
It is spaced apart in continuously distributed, or around the Cutting Road in multisection type.
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CN201910242071.5A CN110021649A (en) | 2019-03-28 | 2019-03-28 | A kind of OLED display panel |
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CN201910242071.5A CN110021649A (en) | 2019-03-28 | 2019-03-28 | A kind of OLED display panel |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110739342A (en) * | 2019-11-28 | 2020-01-31 | 京东方科技集团股份有限公司 | Display panel, preparation method thereof and display device |
CN110993821A (en) * | 2019-12-10 | 2020-04-10 | 武汉华星光电半导体显示技术有限公司 | OLED display panel |
CN111403627A (en) * | 2020-03-26 | 2020-07-10 | 武汉华星光电半导体显示技术有限公司 | Display panel, manufacturing method thereof and display device |
CN111785658A (en) * | 2020-08-03 | 2020-10-16 | 京东方科技集团股份有限公司 | Display panel and display device |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070120480A1 (en) * | 2005-11-28 | 2007-05-31 | Lg Electronics Inc. | Glass encapsulation cap, organic electroluminescent device having the same, mother glass substrate for producing multiple glass encapsulation caps, and manufacturing method thereof |
US20160064686A1 (en) * | 2014-09-03 | 2016-03-03 | Japan Display Inc. | Display device |
CN109360843A (en) * | 2018-10-18 | 2019-02-19 | 京东方科技集团股份有限公司 | Oled display substrate and preparation method thereof, display device |
CN109410758A (en) * | 2017-08-18 | 2019-03-01 | 财团法人工业技术研究院 | Transparent display device |
CN109427861A (en) * | 2017-09-04 | 2019-03-05 | 三星显示有限公司 | Display device and its manufacturing method |
-
2019
- 2019-03-28 CN CN201910242071.5A patent/CN110021649A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070120480A1 (en) * | 2005-11-28 | 2007-05-31 | Lg Electronics Inc. | Glass encapsulation cap, organic electroluminescent device having the same, mother glass substrate for producing multiple glass encapsulation caps, and manufacturing method thereof |
US20160064686A1 (en) * | 2014-09-03 | 2016-03-03 | Japan Display Inc. | Display device |
CN109410758A (en) * | 2017-08-18 | 2019-03-01 | 财团法人工业技术研究院 | Transparent display device |
CN109427861A (en) * | 2017-09-04 | 2019-03-05 | 三星显示有限公司 | Display device and its manufacturing method |
CN109360843A (en) * | 2018-10-18 | 2019-02-19 | 京东方科技集团股份有限公司 | Oled display substrate and preparation method thereof, display device |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110739342A (en) * | 2019-11-28 | 2020-01-31 | 京东方科技集团股份有限公司 | Display panel, preparation method thereof and display device |
CN110739342B (en) * | 2019-11-28 | 2022-10-11 | 京东方科技集团股份有限公司 | Display panel, preparation method thereof and display device |
CN110993821A (en) * | 2019-12-10 | 2020-04-10 | 武汉华星光电半导体显示技术有限公司 | OLED display panel |
CN111403627A (en) * | 2020-03-26 | 2020-07-10 | 武汉华星光电半导体显示技术有限公司 | Display panel, manufacturing method thereof and display device |
CN111403627B (en) * | 2020-03-26 | 2022-05-03 | 武汉华星光电半导体显示技术有限公司 | Display panel, manufacturing method thereof and display device |
CN111785658A (en) * | 2020-08-03 | 2020-10-16 | 京东方科技集团股份有限公司 | Display panel and display device |
WO2022028181A1 (en) * | 2020-08-03 | 2022-02-10 | 京东方科技集团股份有限公司 | Display panel and display apparatus |
CN111785658B (en) * | 2020-08-03 | 2022-12-16 | 京东方科技集团股份有限公司 | Display panel and display device |
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Application publication date: 20190716 |