CN110289290A - A kind of display master blank and preparation method thereof, electroluminescence display panel - Google Patents
A kind of display master blank and preparation method thereof, electroluminescence display panel Download PDFInfo
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- CN110289290A CN110289290A CN201910551150.4A CN201910551150A CN110289290A CN 110289290 A CN110289290 A CN 110289290A CN 201910551150 A CN201910551150 A CN 201910551150A CN 110289290 A CN110289290 A CN 110289290A
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- sealant
- display
- barrier structure
- master blank
- cover board
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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
-
- 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
- H10K50/842—Containers
- H10K50/8426—Peripheral sealing arrangements, e.g. adhesives, sealants
-
- 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
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
This application discloses a kind of display master blanks and preparation method thereof, electroluminescence display panel, flow into cutting area with to avoid sealant, and guarantee display product prepares yield.A kind of display master blank provided by the embodiments of the present application, the display master blank include: the display base plate and cover board being oppositely arranged；The display master blank is divided into display panel area and surrounds the peripheral region in the display panel area；The display panel area includes multiple electroluminescence display panels；The peripheral region includes: cutting area and the encapsulation region for surrounding the cutting area；The encapsulation region includes: the sealant for sealing the display base plate and the cover board and surrounding the cutting area, and the sealant barrier structure positioned at the sealant towards the cutting area side.
Description
Technical field
This application involves field of display technology more particularly to a kind of display master blank and preparation method thereof, electroluminance display
Panel.
Background technique
Organic Light Emitting Diode (Organic Light Emitting Diode, OLED) display device have self-luminous,
Driving voltage is low, luminous efficiency is high, the response time is short, clarity and contrast are high, visual angle is 180 ° nearly, use temperature range is wide,
Many advantages, such as Flexible Displays and large area total colouring can be achieved is known as being most to have the display of development potentiality to fill by industry
It sets.
When making OLED display product, need to be packaged technique, one of packaged type are as follows: by glass cement
(Frit glue) is applied to cover-plate glass and fits with back-panel glass, but quality is hard before laser technology after hardening for Frit glue
And with back-panel glass without adhesiveness；Therefore, the stage before laser technology need to use ultraviolet cured adhesive (UV glue) by glass edge
Carry out transition encapsulation.As shown in Figure 1 and Figure 2, the fringe region of cover-plate glass 2 is arranged in UV glue 1, later by cover-plate glass 2 and back
Glass sheet 4 is subsequent that the region that will be provided with UV glue 1 along the cutting of cutting line 3 is needed to remove to box.But it is glued since UV glue has
Attached property, quality is softer, during entering atmospheric pressure after cover-plate glass and back-panel glass is vacuum abutted, as shown in figure 3,
Atmospheric pressure makes UV glue 1 flow to form puncture shape 5 along inside glass from fringe region, and there are UV glue for the corresponding region of cutting line 3
1, subsequent cutting is influenced, panel damage is caused.
To sum up, prior art OLED shows that the packaging technology of product is easy to appear the puncture of UV glue, influences subsequent cutting technique,
It causes cutting damaged, influences the production yield that OLED shows product.
Summary of the invention
The embodiment of the present application provides a kind of display master blank and preparation method thereof, electroluminescence display panel, with to avoid
Sealant flows into cutting area, and guarantee display product prepares yield.
A kind of display master blank provided by the embodiments of the present application, the display master blank include: the display base plate that is oppositely arranged and
Cover board；The display master blank is divided into display panel area and surrounds the peripheral region in the display panel area；The display panel
Area includes multiple electroluminescence display panels；The peripheral region includes: cutting area and the encapsulation region for surrounding the cutting area；Institute
Stating encapsulation region includes: the sealant for sealing the display base plate and the cover board and surrounding the cutting area, and is located at described
Sealant barrier structure of the sealant towards the cutting area side.
Display master blank provided by the embodiments of the present application, due to being located at the sealant towards the cutting area one in encapsulation region
Side is provided with sealant barrier structure, in display master blank preparation process, by display base plate and cover board to box after, sealant resistance
The presence of gear structure can stop sealant to flow into cutting area, will not when needing to cut display master blank along cutting area
There is cutting breakage, thereby may be ensured that display product prepares yield.
Optionally, the sealant barrier structure includes the sealant stop member for surrounding the cutting area.
Display master blank provided by the embodiments of the present application, since sealant stop member surrounds cutting area, so as to full side
Position avoids sealant from flowing into cutting area, is not in that cutting is damaged when needing to cut display master blank along cutting area,
Thereby may be ensured that display product prepares yield.
Optionally, the sealant barrier structure only includes the circle sealant stop member for surrounding the cutting area, or
Person, the sealant barrier structure include the multi-turn sealant stop member for surrounding the cutting area.
Display master blank provided by the embodiments of the present application, when sealant barrier structure includes multi-turn sealant stop member,
By in cover board and display base plate pairing technique, due to being additionally provided with other sealant stop members, even if near sealant
Sealant stop member position there is sealant leakage, under the blocking of other sealant stop members, will not flow into and cut
Area is cut, is not in that cutting is damaged, guarantee display product prepares yield.
Optionally, the sealant barrier structure is contacted with the display base plate and the cover board.
Display master blank provided by the embodiments of the present application, since sealant barrier structure is contacted with display base plate and cover board,
So as to block sealant to flow into all channels of cutting area, sealant is avoided to flow into cutting area, when needs are along cutting area pair
It is not in that cutting is damaged, thereby may be ensured that display product prepares yield when display master blank is cut.
Optionally, the sealant stop member is contacted with the sealant.
Optionally, the distance between the sealant barrier structure and the cutting area boundary are greater than 0.
Display master blank provided by the embodiments of the present application, between the sealant barrier structure and the cutting area boundary away from
From being greater than 0, so that sealant barrier structure will not impact subsequent cutting, it is damaged cutting is not will cause.
Optionally, the material of the sealant barrier structure is frit or polyimides.
A kind of preparation method of above-mentioned display master blank provided by the embodiments of the present application, which comprises
The pattern of sealant and the pattern of sealant barrier structure are formed in the encapsulation region of the cover board；
By cover board and the display base plate to box, and the sealant is solidified to seal the display base plate and the lid
Plate.
The preparation method of display master blank provided by the embodiments of the present application, since the encapsulation region in cover board forms blocking envelope frame
Glue flow into cutting area sealant barrier structure, by display base plate and cover board to box after, the presence of sealant barrier structure can
Cutting area is flowed into avoid sealant, is not in that cutting is damaged when needing to cut display master blank along cutting area, from
And it can guarantee to show that product prepares yield.
Optionally, the encapsulation region in the cover board forms the pattern of sealant and the figure of sealant barrier structure
Case specifically includes:
The pattern of the sealant is formed in the encapsulation region of the cover board, the sealant limits closed area；
The sealant barrier structure pattern is formed towards the side of the closed area in the sealant, wherein described
The thickness of sealant barrier structure is less than or equal to the thickness of the sealant.
The preparation method of display master blank provided by the embodiments of the present application, since the sealant formed on the cover board stops
The thickness of structure is less than or equal to the thickness of the sealant, thus during by cover board and the display base plate to box, envelope
Frame glue can connect cover board with display base plate, will not impact, will not influence to sealant seal cover board and display base plate
The sealing reliability of display master blank.
A kind of electroluminescence display panel provided by the embodiments of the present application, the electroluminescence display panel is by cutting this
Apply for that the display master blank that embodiment provides obtains.
Detailed description of the invention
In order to more clearly explain the technical solutions in the embodiments of the present application, make required in being described below to embodiment
Attached drawing is briefly introduced, it should be apparent that, the drawings in the following description are only some examples of the present application, for this
For the those of ordinary skill in field, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is that the OLED of the prior art shows the schematic diagram of product encapsulation；
Fig. 2 is structural schematic diagram of the prior art after back-panel glass forms UV glue；
Fig. 3 is prior art back-panel glass and cover-plate glass to the structural schematic diagram after box；
Fig. 4 is a kind of schematic diagram of display master blank provided by the embodiments of the present application；
Fig. 5 is the schematic diagram in the section of the AA ' provided by the embodiments of the present application along Fig. 4；
Fig. 6 is the schematic diagram of another display master blank provided by the embodiments of the present application；
Fig. 7 is a kind of schematic diagram of display master blank preparation method provided by the embodiments of the present application；
Fig. 8 is that sealant and envelope are formed on cover board in a kind of display master blank preparation method provided by the embodiments of the present application
The schematic diagram of frame glue barrier structure.
Specific embodiment
The embodiment of the present application provides a kind of display master blank provided by the embodiments of the present application, as shown in Figure 4, Figure 5, wherein
Fig. 5 is the sectional view in Fig. 4 along AA ', and the display master blank includes: the display base plate 6 and cover board 7 being oppositely arranged；The display
Motherboard is divided into display panel area 8 and surrounds the peripheral region 9 in the display panel area 8；The display panel area 8 includes multiple
Electroluminescence display panel 14；The peripheral region 9 includes: cutting area 10 and the encapsulation region 11 for surrounding the cutting area 10；Institute
The sealant 12 that encapsulation region 11 includes: the sealing display base plate 6 and the cover board 7 and the encirclement cutting area 10 is stated, and
Sealant barrier structure 13 positioned at the sealant 12 towards 10 side of cutting area.
Display master blank provided by the embodiments of the present application, due to being located at the sealant towards the cutting area one in encapsulation region
Side is provided with sealant barrier structure, in display master blank preparation process, by display base plate and cover board to box after, sealant resistance
The presence of gear structure can stop sealant to flow into cutting area, will not when needing to cut display master blank along cutting area
There is cutting breakage, thereby may be ensured that display product prepares yield.
Optionally, the display master blank provided by the embodiments of the present application as shown in Fig. 5~6, the sealant barrier structure 13
Sealant stop member 15 including surrounding the cutting area 10.
Display master blank provided by the embodiments of the present application, since sealant stop member surrounds cutting area, so as to full side
Position avoids sealant from flowing into cutting area, is not in that cutting is damaged when needing to cut display master blank along cutting area,
Thereby may be ensured that display product prepares yield.
Optionally, as shown in figure 5, the sealant barrier structure only includes the circle sealant resistance for surrounding the cutting area
Stopper part, alternatively, as shown in fig. 6, the sealant barrier structure includes the multi-turn sealant blocking portion for surrounding the cutting area
Part.
Display master blank provided by the embodiments of the present application, when sealant barrier structure includes multi-turn sealant stop member,
By in cover board and display base plate pairing technique, due to being additionally provided with other sealant stop members, even if near sealant
Sealant stop member position there is sealant leakage, under the blocking of other sealant stop members, will not flow into and cut
Area is cut, is not in that cutting is damaged, guarantee display product prepares yield.
It is illustrated so that sealant barrier structure includes two circle sealant stop members as an example in Fig. 6, certainly, seals frame
Glue barrier structure can also include more multi-turn sealant stop member.
Optionally, display master blank as shown in Figure 5, Figure 6 provided by the embodiments of the present application, the sealant barrier structure 13
It is contacted with the display base plate 6 and the cover board 7.
Display master blank provided by the embodiments of the present application, since sealant barrier structure is contacted with display base plate and cover board,
So as to block sealant to flow into all channels of cutting area, sealant is avoided to flow into cutting area, when needs are along cutting area pair
It is not in that cutting is damaged, thereby may be ensured that display product prepares yield when display master blank is cut.
Optionally, display master blank as shown in Figure 5, Figure 6 provided by the embodiments of the present application, the sealant stop member 15
It is contacted with the sealant 12.
It should be noted that when the sealant barrier structure includes the multi-turn sealant blocking portion for surrounding the cutting area
When part, the sealant stop member closest to sealant is contacted with sealant.
Optionally, display master blank as shown in figures 4-6 provided by the embodiments of the present application, the sealant barrier structure with
The distance between described cutting area boundary is greater than 0.
Display master blank provided by the embodiments of the present application, between the sealant barrier structure and the cutting area boundary away from
From being greater than 0, so that sealant barrier structure will not impact subsequent cutting, it is damaged cutting is not will cause.
Optionally, the display master blank provided by the embodiments of the present application as described in Fig. 4~6, the sealant barrier structure with
The distance between the boundary of the cutting area is all the same.
Optionally, the material of the sealant barrier structure be frit (frit) or polyimides (Polyimide,
PI)。
Sealant stop member can be formed using frit glue or PI glue.Other materials can certainly be selected to form envelope frame
Glue stop member.
Optionally, display master blank provided by the embodiments of the present application, sealant are ultraviolet cured adhesive (UV glue).
Display master blank provided by the embodiments of the present application, display panel area include multiple electroluminescence display panels, show base
Plate for example may include the pixel circuit and electroluminescent device set gradually on back-panel glass.In electroluminance display
In panel, electroluminescent device for example can be electroluminescent diode, and electroluminescent diode for example can be organic light emission
Diode (Organic Light-Emitting Diode, OLED).Pixel circuit may include multiple transistors, pass through these
The interaction of transistor can drive electroluminescent device to shine, to realize display function.It is provided in the embodiment of the present invention
Display panel in, transistor arrangement for example, grid, with gate insulator setting active layer, with gate insulator setting and
The source electrode being electrically connected with active layer and drain electrode.Transistor for example can be thin film transistor (TFT) (Thin Film Transistor,
TFT).Cover board for example can be glass cover-plate.
Based on the same inventive concept, the embodiment of the present application also provides a kind of preparation method of above-mentioned display master blank, such as Fig. 7
It is shown, which comprises
The pattern of S101, the pattern that sealant is formed in the encapsulation region of the cover board and sealant barrier structure；
S102, by cover board and the display base plate to box, and the sealant solidified with seal the display base plate and
The cover board.
The preparation method of display master blank provided by the embodiments of the present application, since the encapsulation region in cover board forms blocking envelope frame
Glue flow into cutting area sealant barrier structure, by display base plate and cover board to box after, the presence of sealant barrier structure can
Cutting area is flowed into avoid sealant, is not in that cutting is damaged when needing to cut display master blank along cutting area, from
And it can guarantee to show that product prepares yield.
Optionally, the pattern and sealant blocking junction of sealant are formed in the encapsulation region of the cover board described in step S101
The pattern of structure, specifically includes:
S1011, the pattern of the sealant is formed in the encapsulation region of the cover board, the sealant limits closed area；
S1012, the sealant barrier structure pattern is formed towards the side of the closed area in the sealant,
Described in sealant barrier structure thickness be less than or equal to the sealant thickness.
The preparation method of display master blank provided by the embodiments of the present application, since the sealant formed on the cover board stops
The thickness of structure is less than or equal to the thickness of the sealant, thus during by cover board and the display base plate to box, envelope
Frame glue can connect cover board with display base plate, will not impact, will not influence to sealant seal cover board and display base plate
The sealing reliability of display master blank.
By taking sealant barrier structure includes a circle sealant stop member as an example, sealant and envelope are formed on cover board
For structure after frame glue stop member as shown in figure 8, in Fig. 8, the thickness of sealant stop member 15 is less than the thickness of sealant 12.
Furthermore it should be noted that as shown in figure 8, there is gap between sealant 12 and sealant stop member 15 adjacent thereto.
In the specific implementation, sealant can be made, to not contacting between box, cover board to be shown with described with sealant stop member
After showing substrate to box, sealant quality is softer, can be during entering atmospheric pressure after vacuum abutted along the side to encapsulation region
It is contacted to flowing with sealant stop member.
Certainly, the pattern of sealant and the pattern of sealant barrier structure are formed in the encapsulation region of the cover board, it can also
The pattern of sealant barrier structure is formed in the encapsulation region of cover board with elder generation, later in the pattern for forming sealant.
It should be noted that display master blank provided by the embodiments of the present application, including multiple electroluminescence display panels, it is making
After obtaining display master blank, needs to carry out subsequent cutting technique and obtain individually each piece of electroluminescence display panel, with
For display master blank as shown in Figure 4, in the specific implementation, can peripherally area cutting area cutting peripheral region is removed, it
Display panel area is cut again afterwards to obtain independent several pieces of electroluminescence display panels.
A kind of electroluminescence display panel provided by the embodiments of the present application, the electroluminescence display panel is by cutting this
Apply for that the display master blank that embodiment provides obtains.
In conclusion display master blank provided by the embodiments of the present application and preparation method thereof, electroluminescence display panel, due to
It is located at the sealant in the encapsulation region of display master blank and the cutting area side is provided with sealant barrier structure, is showing
In motherboard preparation process, by display base plate and cover board to box after, the presence of sealant barrier structure can be to avoid sealant stream
Enter cutting area, when needing to cut display master blank along cutting area, is not in that cutting is damaged, thereby may be ensured that display
Product prepares yield.
Obviously, those skilled in the art can carry out various modification and variations without departing from the essence of the application to the application
Mind and range.In this way, if these modifications and variations of the application belong to the range of the claim of this application and its equivalent technologies
Within, then the application is also intended to include these modifications and variations.
Claims (10)
1. a kind of display master blank, which is characterized in that the display master blank includes: the display base plate and cover board being oppositely arranged；It is described
Display master blank is divided into display panel area and surrounds the peripheral region in the display panel area；The display panel area includes multiple
Electroluminescence display panel；The peripheral region includes: cutting area and the encapsulation region for surrounding the cutting area；The encapsulation region packet
Include: sealing the display base plate and the cover board and surround the sealant of the cutting area, and be located at the sealant towards
The sealant barrier structure of the cutting area side.
2. display master blank according to claim 1, which is characterized in that the sealant barrier structure includes cutting described in encirclement
Cut the sealant stop member in area.
3. display master blank according to claim 2, which is characterized in that the sealant barrier structure only includes described in encirclement
One circle sealant stop member of cutting area, alternatively, the sealant barrier structure includes the multi-turn envelope for surrounding the cutting area
Frame glue stop member.
4. display master blank according to claim 1, which is characterized in that the sealant barrier structure and the display base plate
It is contacted with the cover board.
5. display master blank according to claim 1, which is characterized in that the sealant stop member connects with the sealant
Touching.
6. display master blank according to claim 1, which is characterized in that the sealant barrier structure and the cutting area side
The distance between boundary is greater than 0.
7. display master blank according to claim 2, which is characterized in that the material of the sealant barrier structure is frit
Or polyimides.
8. a kind of preparation method of display master blanks described in any item according to claim 1~7, which is characterized in that the method
Include:
The pattern of sealant and the pattern of sealant barrier structure are formed in the encapsulation region of the cover board；
By cover board and the display base plate to box, and the sealant is solidified to seal the display base plate and the cover board.
9. according to the method described in claim 8, it is characterized in that, the encapsulation region in the cover board forms the figure of sealant
The pattern of case and sealant barrier structure, specifically includes:
The pattern of the sealant is formed in the encapsulation region of the cover board, the sealant limits closed area；
The sealant barrier structure pattern is formed towards the side of the closed area in the sealant, wherein the envelope frame
The thickness of glue barrier structure is less than or equal to the thickness of the sealant.
10. a kind of electroluminescence display panel, which is characterized in that the electroluminescence display panel passes through cutting claim 1
~7 described in any item display master blanks obtain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910551150.4A CN110289290B (en) | 2019-06-24 | 2019-06-24 | Display mother board, preparation method thereof and electroluminescent display panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910551150.4A CN110289290B (en) | 2019-06-24 | 2019-06-24 | Display mother board, preparation method thereof and electroluminescent display panel |
Publications (2)
| Publication Number | Publication Date |
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| CN110289290A true CN110289290A (en) | 2019-09-27 |
| CN110289290B CN110289290B (en) | 2022-07-01 |
Family
ID=68005393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910551150.4A Active CN110289290B (en) | 2019-06-24 | 2019-06-24 | Display mother board, preparation method thereof and electroluminescent display panel |
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| Country | Link |
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| CN111047970A (en) * | 2019-11-21 | 2020-04-21 | 昆山国显光电有限公司 | Display panel and display panel mother board |
| CN111538185A (en) * | 2020-05-19 | 2020-08-14 | Tcl华星光电技术有限公司 | Backlight module and manufacturing method thereof |
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| Publication number | Publication date |
|---|---|
| CN110289290B (en) | 2022-07-01 |
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