CN110376801A - Display panel motherboard, frame glue coating method and display panel - Google Patents
Display panel motherboard, frame glue coating method and display panel Download PDFInfo
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- CN110376801A CN110376801A CN201910555317.4A CN201910555317A CN110376801A CN 110376801 A CN110376801 A CN 110376801A CN 201910555317 A CN201910555317 A CN 201910555317A CN 110376801 A CN110376801 A CN 110376801A
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- frame glue
- substrate
- display panel
- sub
- orthographic projection
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1339—Gaskets; Spacers; Sealing of cells
Abstract
The invention discloses a kind of display panel motherboard, frame glue coating method and display panels, display panel motherboard includes multiple display panels being arranged in array, each display panel includes special-shaped edge, special-shaped edge includes at least one section of first sub- edge, and the first sub- edge is recessed to form notch towards display panel side；Each display panel includes the first substrate being oppositely arranged and the second substrate, and it is set to the first frame glue between first substrate and the second substrate, each display panel includes viewing area, first frame glue is arranged around viewing area, first frame glue includes the first sub- frame glue, and the first sub- frame glue is located at notch where the second substrate in the orthographic projection of plane in the orthographic projection of plane where the second substrate.Coating beginning and end is arranged in notch when being coated with the first frame glue and forms the first sub- frame glue by display panel motherboard of the invention, will not form the wider frame glue in part in stepped region, reduce the risk that frame glue enters viewing area, improve the yield of display panel.
Description
Technical field
The present invention relates to field of display technology, more particularly, to a kind of display panel motherboard, frame glue coating method and show
Show panel.
Background technique
Display panel is the significant components of display device, general liquid crystal display panel include the color membrane substrates being oppositely arranged and
Array substrate, and the sealant being set between color membrane substrates and array substrate, and it is filled in color membrane substrates, array substrate
It is formed by the liquid crystal molecule in liquid crystal cell with sealant, the effect of sealant is encapsulated liquid crystals box, prevents leakage brilliant or empty
Gas enters liquid crystal cell.When making display panel, generally instil in array substrate a certain amount of liquid crystal, in the week of color membrane substrates
Side is coated with sealant, is under vacuum conditions bonded color membrane substrates and array substrate.
Sealant is usually coated with starting point in the prior art and terminal is located at stepped region, as narrow frame product becomes master
Miscarriage product, frame are compressed, and step sector width is smaller and smaller, at this time since the position of sealant coating beginning and end is due to weight
Overcoating cloth can make the width of sealant be greater than other regions, will lead to the risk that sealant enters viewing area, cause display not
It is good.
Summary of the invention
In view of this, the present invention provides a kind of display panel motherboard, frame glue coating method and display panels, to solve
Sealant is coated with the position of beginning and end due to repeating coating meeting so that the problem of width of sealant is greater than other regions.
On the one hand, the present invention provides a kind of display panel motherboards, including multiple display panels being arranged in array, each
The display panel includes special-shaped edge, and the abnormity edge includes at least one section of first sub- edge, the first sub- edge court
It is recessed to form notch to the display panel side；
Each display panel includes the first substrate being oppositely arranged and the second substrate, and is set to first base
The first frame glue between plate and the second substrate, each display panel includes viewing area, and first frame glue surrounds institute
Viewing area setting is stated, first frame glue includes the first sub- frame glue, and the first sub- frame glue is in plane where the second substrate
Orthographic projection be located at the notch where the second substrate in the orthographic projection of plane.
The present invention also provides a kind of frame glue coating methods, applied to above-mentioned display panel motherboard, the display panel
Motherboard includes multiple display panels being arranged in array, and each display panel includes special-shaped edge, abnormity edge packet
At least one section of first sub- edge is included, the first sub- edge forms notch towards the display panel inner recess, each described
Display panel includes the first substrate being oppositely arranged and the second substrate, comprising steps of
The first substrate and the second substrate are provided；
On the first substrate or the second substrate, the beginning and end setting for being coated with the first frame glue is lacked described
It is coated in mouthful, forms the first frame glue, first frame glue is arranged around the viewing area of the display panel；
It is bonded the first substrate and the second substrate after coating, forms the display panel motherboard.
The present invention also provides a kind of display panel, the display panel is by preset cutting line by above-mentioned display surface
Plate motherboard is cut, and the part cut off in the cutting includes the described first sub- frame glue.
On the other hand, the present invention provides a kind of display panel motherboards, including multiple display panels being arranged in array, often
A display panel includes viewing area, and the display panel further includes through-hole, and the viewing area is around the through-hole；
Each display panel includes the first substrate being oppositely arranged and the second substrate, and is set to first base
The second frame glue between plate and the second substrate, second frame glue surround the through-hole；Second frame glue further includes
Three sub- frame glues, the sub- frame glue of third the second substrate orthographic projection the through-hole the second substrate orthographic projection
It is interior.
The present invention also provides a kind of frame glue coating methods, are applied to above-mentioned display panel motherboard, and the display panel is female
Plate includes multiple display panels being arranged in array, and each display panel includes viewing area, and the display panel further includes
Through-hole, around the through-hole, each display panel includes the first substrate being oppositely arranged and the second substrate for the viewing area,
Comprising steps of
The first substrate and the second substrate are provided；
On the first substrate or the second substrate, the beginning and end setting of the second frame glue will be coated with described logical
It is coated in hole, forms the second frame glue, second frame glue is arranged around the through-hole；
It is bonded the first substrate and the second substrate after coating, forms the display panel motherboard.
The present invention also provides a kind of display panel, the display panel is by preset cutting line by above-mentioned display panel
Motherboard is cut, and the part cut off in the cutting includes the sub- frame glue of the third.
Compared with prior art, display panel motherboard, frame glue coating method and display panel provided by the invention, at least in fact
Showed it is following the utility model has the advantages that
When being coated with the first frame glue shape is arranged in notch in coating beginning and end by display panel motherboard of the invention
At the first sub- frame glue, the wider frame glue in part will not be formed in stepped region, reduce the risk that frame glue enters viewing area, improve
The yield of display panel.
Certainly, implementing any of the products of the present invention specific needs while must not reach all the above technical effect.
By referring to the drawings to the detailed description of exemplary embodiment of the present invention, other feature of the invention and its
Advantage will become apparent.
Detailed description of the invention
It is combined in the description and the attached drawing for constituting part of specification shows the embodiment of the present invention, and even
With its explanation together principle for explaining the present invention.
Fig. 1 is a kind of structural schematic diagram of display panel motherboard provided by the invention；
Fig. 2 be in Fig. 1 M-M to sectional view；
Fig. 3 is another structural schematic diagram of display panel motherboard provided by the invention；
Fig. 4 is another structural schematic diagram of display panel motherboard provided by the invention；
Fig. 5 is the partial enlarged view in the region P in Fig. 1；
Fig. 6 is the corresponding the second substrate planar structure schematic diagram in the region Q in Fig. 5；
Fig. 7 is the B-B direction sectional view in Fig. 6；
Fig. 8 is another planar structure schematic diagram of the corresponding the second substrate in the region Q in Fig. 5；
Fig. 9 is another planar structure schematic diagram of the corresponding the second substrate in the region Q in Fig. 5；
Figure 10 be in Fig. 5 E-E to sectional view；
Figure 11 be in Fig. 5 E-E to another sectional view；
Figure 12 is a kind of frame glue coating method flow chart provided by the invention；
Figure 13 is a kind of display panel structure schematic diagram provided by the invention；
Figure 14 is another structural schematic diagram of display panel motherboard provided by the invention；
Figure 15 be in Figure 14 G-G to sectional view；
Figure 16 is the flow chart of another frame glue coating method provided by the invention；
Figure 17 is another structural schematic diagram of display panel provided by the invention.
Specific embodiment
Carry out the various exemplary embodiments of detailed description of the present invention now with reference to attached drawing.It should also be noted that unless in addition having
Body explanation, the unlimited system of component and the positioned opposite of step, numerical expression and the numerical value otherwise illustrated in these embodiments is originally
The range of invention.
Be to the description only actually of at least one exemplary embodiment below it is illustrative, never as to the present invention
And its application or any restrictions used.
Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitable
In the case of, the technology, method and apparatus should be considered as part of specification.
It is shown here and discuss all examples in, any occurrence should be construed as merely illustratively, without
It is as limitation.Therefore, other examples of exemplary embodiment can have different values.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, then in subsequent attached drawing does not need that it is further discussed.
Prior art display panel motherboard includes multiple display panels being arranged in array, and each display panel includes opposite
The color membrane substrates and array substrate of setting, and the sealant being set between color membrane substrates and array substrate, in the prior art
The beginning and end for being coated with sealant is arranged in stepped region, can be coated with twice in the position of beginning and end, so the position
Sealant width be obviously greater than other regions, thus when at box, sealant exist into viewing area risk, cause to show
Show bad.
To solve the above-mentioned problems, the present invention provides a kind of display panel motherboard, frame glue coating method and display panel,
About the invention shows the embodiment of panel motherboard, frame glue coating method and display panel, it is discussed further below.
Referring to Figures 1 and 2, Fig. 1 is a kind of structural schematic diagram of display panel motherboard provided by the invention, and Fig. 2 is M- in Fig. 1
M is to sectional view；Display panel motherboard 100 includes multiple display panels 10 being arranged in array in Fig. 1, and each display panel 10 wraps
Include special-shaped edge 4, special-shaped edge 4 includes at least one section of first sub- edge 41, and the first sub- edge 41 is towards 10 side of display panel
Recess forms notch 5.Each display panel 10 includes the first substrate 1 being oppositely arranged and the second substrate 2, and setting in Fig. 2
The first frame glue 3 between first substrate 1 and the second substrate 2, each display panel 10 include viewing area AA, and the first frame glue 3 is enclosed
It is arranged around viewing area AA.The first frame glue 3 includes the first sub- frame glue 31 in Fig. 1, and the first sub- frame glue 31 is in 2 place plane of the second substrate
Orthographic projection be located at notch 5 in the orthographic projection of 2 place plane of the second substrate.
Four display panels 10, the display panel on substantial display panel motherboard 100 are only schematically illustrated in Fig. 1
10 quantity may be more.It can be understood that dotted line represents edge on display panel motherboard 100 in Fig. 1.Certainly exist referring to Fig. 2
It further include liquid crystal molecule between first substrate 1 and the second substrate 2.
Furthermore the beginning and end of the coating in Fig. 1 is not a point, naturally it is also possible to which beginning and end is overlapped, referring to figure
3, Fig. 3 be another display panel motherboard structure schematic diagram provided by the invention, can not also be overlapped with starting point with emphasis, referring to figure
4, Fig. 4 be another structural schematic diagram of display panel motherboard provided by the invention, and the beginning and end being coated in Fig. 4 is not overlapped,
Here it is not specifically limited.
Coating beginning and end is arranged in notch 5 when being coated with the first frame glue 3, forms the first sub- frame glue by the present invention
31, at this time compared to the prior art, the present invention will not form the wider situation of local frame glue in stepped region, reduce frame glue entrance
The risk of viewing area AA improves the yield of display panel.
Referring to Fig. 4, Fig. 4 is another structural schematic diagram of display panel motherboard provided by the invention.
As can be seen from Fig. 4, display panel motherboard 100 includes multiple display panels 10 being arranged in array, each display surface
Plate 10 includes special-shaped edge 4, and special-shaped edge 4 includes at least one section of first sub- edge 41, and the first sub- edge 41 is towards display panel
10 sides are recessed to form notch 5.Each display panel 10 includes the first substrate 1 being oppositely arranged and the second substrate 2, and setting
The first frame glue 3 between first substrate 1 and the second substrate 2, each display panel 10 include viewing area AA, and the first frame glue 3 is enclosed
It is arranged around viewing area AA.The first frame glue 3 includes the first sub- frame glue 31 in Fig. 4, and the first sub- frame glue 31 is in 2 place plane of the second substrate
Orthographic projection be located at notch 5 in the orthographic projection of 2 place plane of the second substrate.
It can be understood that Fig. 1, Fig. 3 and Fig. 4 illustrate only two kinds of shapes of notch 5 in display panel 10, may be used also certainly
Think other shapes of notch.
As long as coating beginning and end is arranged in notch 5, forms first in the present invention when being coated with the first frame glue 3
Sub- frame glue 31 would not form the wider frame glue in part in stepped region, reduce the risk that frame glue enters viewing area AA, improve
The yield of display panel.
As one embodiment of the invention, referring to Fig.1 and Fig. 5, Fig. 5 be the region P in Fig. 1 partial enlarged view；First frame
Glue 3 further includes the second sub- frame glue 32, and the second sub- frame glue 32 is a closed figure in the orthographic projection of 2 place plane of the second substrate；The
One sub- frame glue 31 2 place plane of the second substrate orthographic projection and the second sub- frame glue 32 2 place plane of the second substrate positive throwing
Shadow has overlapping region T.
In Fig. 5, display panel 10 includes special-shaped edge 4, and special-shaped edge 4 includes at least one section of first sub- edge 41, and first
Sub- edge 41 is recessed to form notch 5 towards 10 side of display panel.Each display panel 10 includes the first substrate 1 being oppositely arranged
Include with the second substrate 2, and the first frame glue 3 being set between first substrate 1 and the second substrate 2, each display panel 10
Viewing area AA, the first frame glue 3 are arranged around viewing area AA.First frame glue 3 includes the first sub- frame glue 31 and the second sub- frame glue 32, the
One sub- frame glue 31 is located at notch 5 in the orthographic projection of 2 place plane of the second substrate in the orthographic projection of 2 place plane of the second substrate,
Second sub- frame glue 32 is a closed figure in the orthographic projection of 2 place plane of the second substrate, and it is square that closed figure is illustrated only in Fig. 5
Shape can also be other shapes certainly；Orthographic projection and second sub- frame glue 32 of the first sub- frame glue 31 in 2 place plane of the second substrate
There is overlapping region T in the orthographic projection of 2 place plane of the second substrate.
When being coated with the first frame glue 3, will coating beginning and end be arranged in notch 5, the path of coating from the off,
Then by the overlapping region T in figure, followed by the path of the second sub- frame glue 32 constitutes closed figure, using above-mentioned overlay region
It reaches home after the T of domain, in the display panel finally made, the first of notch 5 the sub- frame glue 31 can be sliced off, so retained
There is the second sub- frame glue 32, the wider situation of local frame glue will not be formed in stepped region, reduce the wind that frame glue enters viewing area AA
Danger, improves the yield of display panel.
With continued reference to Fig. 5, the second sub- frame glue 32 is arranged around the viewing area AA of display panel 10.
In Fig. 5, display panel 10 includes special-shaped edge 4, and special-shaped edge 4 includes at least one section of first sub- edge 41, and first
Sub- edge 41 is recessed to form notch 5 towards 10 side of display panel.Each display panel 10 includes the first substrate 1 being oppositely arranged
Include with the second substrate 2, and the first frame glue 3 being set between first substrate 1 and the second substrate 2, each display panel 10
Viewing area AA, the first frame glue 3 are arranged around viewing area AA.First frame glue 3 includes the first sub- frame glue 31 and the second sub- frame glue 32, the
One sub- frame glue 31 is located at notch 5 in the orthographic projection of 2 place plane of the second substrate in the orthographic projection of 2 place plane of the second substrate,
Second sub- frame glue 32 is a closed figure in the orthographic projection of 2 place plane of the second substrate, and the second sub- frame glue 32 surrounds display panel
10 viewing area AA setting is played the role of preventing leakage crystalline substance or air from entering liquid crystal cell；First sub- frame glue 31 is in the second base
Orthographic projection of the orthographic projection of 2 place plane of plate with the second sub- frame glue 32 in 2 place plane of the second substrate has overlapping region T.
Coating beginning and end is arranged in notch 5 when being coated with the first frame glue 3 for the present embodiment, the path of coating from
Starting point starts, and then by the overlapping region T in figure, followed by constitutes Closed Graph around the sub- frame glue 32 of viewing area AA coating second
Shape, can be by the first of notch 5 the sub- frame glue in the display panel finally made using reaching home after above-mentioned overlapping region T
31 slice off, so only the second sub- frame glue 32 retained, will not form the wider situation of local frame glue in stepped region, reduce frame
Glue enters the risk of viewing area AA, improves the yield of display panel.
Referring to Fig. 5, Fig. 6 and Fig. 7, Fig. 6 is that the corresponding the second substrate planar structure schematic diagram in the region Q, Fig. 7 are Fig. 6 in Fig. 5
In B-B direction sectional view；The second substrate includes underlay substrate 21, and is located at underlay substrate 21 close to the first substrate side
Planarization layer 22, there are on planarization layer 22 multiple grooves 221, orthographic projection of multiple grooves 221 on underlay substrate 21 with
Overlapping region T is least partially overlapped in the orthographic projection of 21 place plane of underlay substrate.
The orthographic projection that groove 221 is illustrated only in Fig. 6 in 21 place plane of underlay substrate is rectangle, certainly can also be it
Its shape, in addition here without limitation, groove 221 can be formed the quantity of groove 221 by the method for exposure, do not do have here
Body limits.
It can be understood that the present invention when being coated with the first frame glue 3, coating beginning and end is arranged in notch 5, is applied
The path of cloth from the off, then by the overlapping region T in figure, followed by is coated with the second sub- frame glue 32 around viewing area AA
Closed figure is constituted, using reaching home after above-mentioned overlapping region T, so above-mentioned overlapping region T can be coated with twice, and the
Multiple grooves 221 are set in overlapping region T on the planarization layer 22 of two substrates, may make when being coated with overlapping region T for the first time
Part frame glue enters in groove 221, coating overlapping region T twice will not be caused by, so that the frame glue of overlapping region T becomes
It is wide.
When the display panel finally made simultaneously, the first of notch 5 the sub- frame glue 31 is sliced off, only the second sub- frame of reservation
Glue 32 will not form the wider situation of local frame glue in stepped region, reduce the risk that frame glue enters viewing area AA, improve aobvious
Show the yield of panel.
In some alternative embodiments, groove underlay substrate orthographic projection in the plane be rectangle, ellipse or
Circle, referring to Fig. 6, Fig. 8 and Fig. 9, Fig. 8 is that another planar structure schematic diagram of the corresponding the second substrate in the region Q, Fig. 9 are in Fig. 5
Another planar structure schematic diagram of the corresponding the second substrate in the region Q in Fig. 5；Fig. 6 further groove 221 is in 21 place plane of underlay substrate
Orthographic projection be rectangle, Fig. 8 further groove 221 21 place plane of underlay substrate orthographic projection be ellipse, Fig. 9 further groove 221
21 place plane of underlay substrate orthographic projection be circle, certain groove 221 21 place plane of underlay substrate orthographic projection also
It can be other shapes, be not specifically limited here.
No matter which kind of shape groove 221 is in the orthographic projection in 21 place plane of underlay substrate, be can be realized so that
Part frame glue when primary coating overlapping region T enters in groove 221, will not be caused by coating overlapping region T twice, make
The frame glue for obtaining overlapping region T broadens.
Referring to Fig. 5 and Figure 10, Figure 10 be in Fig. 5 E-E to sectional view.The sub- frame glue 32 of the second of overlapping region T includes second
The sub- sub- frame glue second 32b of frame glue first 32a and second, in the direction perpendicular to 2 place plane of the second substrate, the second sub- frame glue first
The sub- frame glue second 32b of 32a and second is stacked gradually on second substrate 2.
In Fig. 5, display panel 10 includes special-shaped edge 4, and special-shaped edge 4 includes at least one section of first sub- edge 41, and first
Sub- edge 41 is recessed to form notch 5 towards 10 side of display panel.Each display panel 10 includes the first substrate 1 being oppositely arranged
Include with the second substrate 2, and the first frame glue 3 being set between first substrate 1 and the second substrate 2, each display panel 10
Viewing area AA, the first frame glue 3 are arranged around viewing area AA.First frame glue 3 includes the first sub- frame glue 31 and the second sub- frame glue 32, the
One sub- frame glue 31 is located at notch 5 in the orthographic projection of 2 place plane of the second substrate in the orthographic projection of 2 place plane of the second substrate,
Second sub- frame glue 32 is a closed figure in the orthographic projection of 2 place plane of the second substrate, and it is square that closed figure is illustrated only in Fig. 5
Shape can also be other shapes certainly；Orthographic projection and second sub- frame glue 32 of the first sub- frame glue 31 in 2 place plane of the second substrate
There is overlapping region T in the orthographic projection of 2 place plane of the second substrate.The second of overlapping region T the sub- frame glue 32 includes the in Figure 10
The two sub- sub- frame glue second 32b of frame glue first 32a and second, in the direction perpendicular to 2 place plane of the second substrate, the second sub- frame glue first
The sub- frame glue second 32b of 32a and second is stacked gradually on second substrate 2.
It is understood that coating beginning and end is arranged in notch 5, the road of coating when being coated with the first frame glue 3
From the off, that the overlapping region T then passed through in figure is coated at this time is the second sub- frame glue first 32a to diameter, followed by second is sub
The other parts of frame glue 32 constitute closed figure, and that be coated at this time using above-mentioned overlapping region T is the second sub- frame glue second 32b,
The closed figure of the second sub- frame glue 32 is obtained, the terminal of coating is then reached, the second sub- frame glue of adjustable coating in coating
The thickness of the sub- frame glue second 32b of first 32a and second, to control the second sub- frame glue 32 in the width of overlapping region T.
Furthermore in the display panel finally made, the first of notch 5 the sub- frame glue 31 can be sliced off, so what is retained only has
Second sub- frame glue 32 will not form the wider situation of local frame glue in stepped region, reduce the risk that frame glue enters viewing area AA,
Improve the yield of display panel.
Referring to Fig. 5 and Figure 11, Figure 11 be in Fig. 5 another E-E to sectional view.The sub- frame glue 32 of the second of overlapping region T is wrapped
Include the second sub- sub- frame glue second 32b of frame glue first 32a and second, in the direction perpendicular to 2 place plane of the second substrate, the second sub- frame
The sub- frame glue second 32b of glue first 32a and second is stacked gradually on second substrate 2；The second sub- sub- frame glue second of frame glue first 32a and second
The sum of thickness of 32b is equal to the thickness of the Non-overlapping Domain of the second sub- frame glue 32.
In some alternative embodiments, referring to Fig.1 1, the second substrate 2 includes underlay substrate 21, and is located at substrate base
Plate 21 has multiple grooves 221 on planarization layer 22 close to the planarization layer 22 of 1 side of first substrate, and multiple grooves 221 are serving as a contrast
Orthographic projection and overlapping region on substrate 21 is least partially overlapped in the orthographic projection of 21 place plane of underlay substrate.This situation
Under, when being coated with the second sub- frame glue first 32a, the second sub- frame glue first 32a of a part can be entered in the groove 221 of planarization layer 22,
The thickness of the second sub- frame glue first 32a can be thinned, after being coated the second sub- frame glue second 32b, the second sub- frame glue of overlapping region T
32 thickness will not thicken, and can be equal to the thickness of the Non-overlapping Domain (n-quadrant in such as Figure 11) of the second sub- frame glue 32.
It is understood that coating beginning and end is arranged in notch 5, the road of coating when being coated with the first frame glue 3
From the off, that the overlapping region T then passed through in figure is coated at this time is the second sub- frame glue first 32a to diameter, the second son of a part
Frame glue first 32a can be entered in the groove 221 of planarization layer 22, and the other parts for being then coated with the second sub- frame glue 32 constitute closing
Figure, that be coated at this time using above-mentioned overlapping region T is the second sub- frame glue second 32b, obtains the Closed Graph of the second sub- frame glue 32
Then shape reaches the terminal of coating, the thickness of the sub- frame glue 32 of the second of overlapping region T will not thicken, and is equal to the second sub- frame glue
The thickness of 32 Non-overlapping Domain.
Based on same invention thought, the present invention also provides a kind of frame glue coating method, using above-mentioned display panel motherboard,
Display panel motherboard is referring to figs. 1 to the structure in Figure 11, and display panel motherboard includes multiple display panels being arranged in array, often
A display panel includes special-shaped edge, and special-shaped edge includes at least one section of first sub- edge, and the first sub- edge is towards display panel
Inner recess forms notch, and each display panel includes the first substrate being oppositely arranged and the second substrate, and referring to Fig.1 2, Tu12Shi
A kind of frame glue coating method flow chart provided by the invention, comprising the following steps:
S101: first substrate and the second substrate are provided；
S102: on first substrate or the second substrate, by be coated with the first frame glue beginning and end be arranged in notch into
Row coating, forms the first frame glue, and the first frame glue is arranged around the viewing area of display panel；
S103: being bonded first substrate and the second substrate after coating, forms display panel motherboard.
Coating beginning and end is arranged in notch when being coated with the first frame glue, forms the first sub- frame glue by the present invention, this
When compared to the prior art, the present invention will not form the wider situation of local frame glue in stepped region, reduce frame glue and enter display
The risk of area AA improves the yield of display panel.
3, Figure 13 is a kind of display panel structure schematic diagram provided by the invention referring to Fig.1.Display panel 200 is logical in Figure 13
It crosses preset cutting line to be cut by any of the above-described display panel motherboard, the part cut off in cutting includes the first son
Frame glue (is already cut off, be not shown in the figure).
Coating beginning and end is arranged in notch in above-mentioned display panel motherboard, forms the first sub- frame glue, and is made
Remaining redundance will be connected to when display panel to cut off the first sub- frame glue, so after the first sub- frame glue is not present in cutting
Display panel in, solve the problems, such as that frame glue locally broadens in the prior art, reduce the risk that frame glue enters viewing area, mention
The high yield of display panel.
4 and Figure 15 referring to Fig.1, Figure 14 are another structural schematic diagram of display panel motherboard provided by the invention, Tu15Shi
G-G is to sectional view in Figure 14.Display panel motherboard 100 includes multiple display panels 10, Mei Gexian being arranged in array in Figure 14
Show that panel 10 includes viewing area AA, display panel 10 further includes through-hole 7, and viewing area AA is around the through-hole 7；It is each shown in Figure 15
Show that panel includes the first substrate 1 being oppositely arranged and the second substrate 2, and is set between first substrate 1 and the second substrate 2
Second frame glue 6, the second frame glue 6 surround through-hole 7；Second frame glue 6 further includes the sub- frame glue 61 of third, and the sub- frame glue 61 of third is in the second base
The orthographic projection of plate 2 is in through-hole 7 in the orthographic projection of the second substrate 2.
It is appreciated of course that further including the annular frame glue around viewing area AA setting, it is not shown here.
Based on same invention thought of the invention, through-hole is usually set in display panel in screen display panel comprehensively and is used for
The equipment such as camera are installed.Coating beginning and end is arranged in through-hole in above-mentioned display panel motherboard and forms the sub- frame glue of third
61, and while making display panel, will be connected to remaining redundance cuts off the sub- frame glue 61 of third, so the sub- frame glue 61 of third is not
It in display panel after cutting can be present in, solves the problems, such as that frame glue locally broadens in the prior art, reduces frame glue entrance
The risk of viewing area improves the yield of display panel.
In some alternative embodiments, the second frame glue 6 further includes the 4th sub- frame glue 62, and the 4th sub- frame glue is in the second substrate
The orthographic projection of place plane is a closed figure；4th sub- frame glue 62 orthographic projection of plane and the sub- frame of third where the second substrate
The orthographic projection of the plane where the second substrate of glue 61 has overlapping region.
In some alternative embodiments, the 4th sub- frame glue 62 is arranged around through-hole 7.
In some alternative embodiments, the second substrate 2 includes underlay substrate, and is located at underlay substrate close to the first base
The planarization layer of plate side has multiple grooves, orthographic projection and overlay region of multiple grooves on underlay substrate on planarization layer
Domain orthographic projection of plane where underlay substrate is least partially overlapped.Optional groove underlay substrate positive throwing in the plane
Shadow is rectangle, ellipse or circle.The structure can refer to Fig. 6 to Figure 10.
The 4th sub- frame glue of overlapping region includes the 4th sub- frame glue first and the 4th sub- frame glue in some alternative embodiments
Second, in the direction perpendicular to 2 place plane of the second substrate, the 4th sub- frame glue first and the 4th sub- frame glue second are sequentially stacked on second
On substrate 2.This structure can refer to Figure 10, wherein corresponding the 4th sub- frame glue first here of the sub- frame glue first 32a of second in Figure 10, figure
Corresponding the 4th sub- frame glue second here of the second sub- frame glue second 32b in 10.
In some alternative embodiments, the 4th sub- frame glue of overlapping region includes the 4th in some alternative embodiments
Sub- frame glue first and the 4th sub- frame glue second, in the direction perpendicular to 2 place plane of the second substrate, the 4th sub- frame glue first and the 4th son
Frame glue second stacks gradually on second substrate 2；The sum of thickness of 4th sub- frame glue first and the 4th sub- frame glue second is equal to the 4th sub- frame
The thickness of the Non-overlapping Domain of glue.Specific structure can refer to Figure 11, and wherein the sub- frame glue first 32a of second in Figure 11 is corresponded to here
4th sub- frame glue first, corresponding the 4th sub- frame glue second here of the second sub- frame glue second 32b in Figure 11.The second substrate 2 includes substrate
Substrate, and there are multiple grooves on the planarization layer of first substrate side, planarization layer positioned at underlay substrate, it is multiple recessed
Orthographic projection and overlapping region of the slot on underlay substrate are least partially overlapped in the orthographic projection of 21 place plane of underlay substrate.This feelings
Under condition, when being coated with the 4th sub- frame glue first, a part of 4th sub- frame glue first can be entered in the groove of planarization layer, can be thinned the
The thickness of four sub- frame glue first, after being coated the 4th sub- frame glue second, the thickness of the sub- frame glue 62 of the 4th of the overlapping region will not thicken,
The thickness of the Non-overlapping Domain of the 4th sub- frame glue 62 can be equal to.
Based on same invention thought, the present invention also provides a kind of frame glue coating method, using above-mentioned display panel motherboard,
The display panel motherboard includes multiple display panels being arranged in array, and each display panel includes viewing area, and display panel is also
Including through-hole, viewing area is around through-hole, and each display panel includes the first substrate being oppositely arranged and the second substrate, referring to figure
16, Figure 16 be the flow chart of another frame glue coating method provided by the invention, comprising the following steps:
S201: first substrate and the second substrate are provided；
S202: on first substrate or the second substrate, by be coated with the second frame glue beginning and end be arranged in through-hole into
Row coating, forms the second frame glue, and the second frame glue is arranged around the through-hole；
S203: being bonded the first substrate and the second substrate after coating, forms the display panel motherboard.
Coating beginning and end is arranged in through-hole when being coated with the second frame glue and forms the sub- frame glue of third by the present invention, this
When compared to the prior art, the present invention will not due to coating beginning and end carry out twice coating so that the part of frame glue is broadened, drop
Low frame glue enters the risk of viewing area, improves the yield of display panel.
Based on same invention thought, the present invention also provides a kind of display panels, and 7, Figure 17 is offer of the present invention referring to Fig.1
Display panel another structural schematic diagram.Display panel 200 is female by above-mentioned display panel by preset cutting line in Figure 17
Plate is cut, and the part cut off in cutting includes the sub- frame glue of third.
Coating beginning and end is arranged in through-hole in above-mentioned display panel motherboard, forms the sub- frame glue of third, and is made
Remaining redundance will be connected to when display panel to cut off the sub- frame glue of third, so after the sub- frame glue of third is not present in cutting
Display panel in, solve the problems, such as that frame glue locally broadens in the prior art, reduce the risk that frame glue enters viewing area, mention
The high yield of display panel.
Through the foregoing embodiment it is found that display panel motherboard, frame glue coating method and display panel provided by the invention, until
Realize less it is following the utility model has the advantages that
When being coated with the first frame glue shape is arranged in notch in coating beginning and end by display panel motherboard of the invention
At the first sub- frame glue, the wider frame glue in part will not be formed in stepped region, reduce the risk that frame glue enters viewing area, improve
The yield of display panel.
Although some specific embodiments of the invention are described in detail by example, the skill of this field
Art personnel it should be understood that example above merely to being illustrated, the range being not intended to be limiting of the invention.The skill of this field
Art personnel are it should be understood that can without departing from the scope and spirit of the present invention modify to above embodiments.This hair
Bright range is defined by the following claims.
Claims (12)
1. a kind of display panel motherboard, which is characterized in that including multiple display panels being arranged in array, each display surface
Plate includes special-shaped edge, and the abnormity edge includes at least one section of first sub- edge, and the first sub- edge is towards the display
Panel side is recessed to form notch；
Each display panel includes the first substrate being oppositely arranged and the second substrate, and be set to the first substrate and
The first frame glue between the second substrate, each display panel includes viewing area, and first frame glue is around described aobvious
Show area be arranged, first frame glue include the first sub- frame glue, the first sub- frame glue plane where the second substrate just
Projection is located at the notch where the second substrate in the orthographic projection of plane.
2. display panel motherboard according to claim 1, which is characterized in that first frame glue further includes the second sub- frame
Glue, the second sub- frame glue are a closed figure in the orthographic projection of plane where the second substrate；The first sub- frame glue exists
The orthographic projection of plane where the second substrate and the described second sub- frame glue have in the orthographic projection of plane where the second substrate
There is overlapping region.
3. display panel motherboard according to claim 2, which is characterized in that the second sub- frame glue surrounds the display surface
The viewing area of plate is arranged.
4. display panel motherboard according to claim 2, which is characterized in that the second substrate includes underlay substrate, with
And there are multiple grooves on the planarization layer of the first substrate side, the planarization layer positioned at the underlay substrate,
Multiple grooves on the underlay substrate orthographic projection and the overlapping region plane where the underlay substrate just
It projects least partially overlapped.
5. display panel motherboard according to claim 4, which is characterized in that the groove is put down where the underlay substrate
Orthographic projection on face is rectangle, ellipse or circle.
6. display panel motherboard according to claim 2, which is characterized in that the described second sub- frame glue of the overlapping region
Including the second sub- frame glue first and the second sub- frame glue second, where perpendicular to the second substrate on the direction of plane, described second
Sub- frame glue first and the second sub- frame glue second stack gradually on the second substrate.
7. display panel motherboard according to claim 4, which is characterized in that the described second sub- frame glue of the overlapping region
Including the second sub- frame glue first and the second sub- frame glue second, where perpendicular to the second substrate on the direction of plane, described second
Sub- frame glue first and the second sub- frame glue second stack gradually on the second substrate；
The sum of thickness of the second sub- frame glue first and the second sub- frame glue second is equal to the Non-overlapping Domain of the described second sub- frame glue
Thickness.
8. a kind of display panel motherboard, which is characterized in that including multiple display panels being arranged in array, each display surface
Plate includes viewing area, and the display panel further includes through-hole, and the viewing area is around the through-hole；
Each display panel includes the first substrate being oppositely arranged and the second substrate, and be set to the first substrate and
The second frame glue between the second substrate, second frame glue surround the through-hole；Second frame glue further includes third
Frame glue, the sub- frame glue of third the second substrate orthographic projection in the through-hole in the orthographic projection of the second substrate.
9. a kind of frame glue coating method, which is characterized in that applied to any display panel motherboard of claim 1 to 7, institute
Stating display panel motherboard includes multiple display panels being arranged in array, and each display panel includes special-shaped edge, described
Special-shaped edge includes at least one section of first sub- edge, and the first sub- edge forms scarce towards the display panel inner recess
Mouthful, each display panel includes the first substrate being oppositely arranged and the second substrate, comprising steps of
The first substrate and the second substrate are provided；
On the first substrate or the second substrate, the beginning and end for being coated with the first frame glue is arranged in the notch
It is coated, forms the first frame glue, first frame glue is arranged around the viewing area of the display panel；
It is bonded the first substrate and the second substrate after coating, forms the display panel motherboard.
10. a kind of frame glue coating method, which is characterized in that be applied to display panel motherboard according to any one of claims 8, the display
Panel motherboard includes multiple display panels being arranged in array, and each display panel includes viewing area, the display panel
It further include through-hole, around the through-hole, each display panel includes the first substrate being oppositely arranged and for the viewing area
Two substrates, comprising steps of
The first substrate and the second substrate are provided；
On the first substrate or the second substrate, the beginning and end for being coated with the second frame glue is arranged in the through-hole
It is coated, forms the second frame glue, second frame glue is arranged around the through-hole；
It is bonded the first substrate and the second substrate after coating, forms the display panel motherboard.
11. a kind of display panel, which is characterized in that the display panel is any by claim 1 to 7 by preset cutting line
The display panel motherboard is cut, and the part cut off in the cutting includes the described first sub- frame glue.
12. a kind of display panel, which is characterized in that the display panel is by preset cutting line by according to any one of claims 8
Display panel motherboard is cut, and the part cut off in the cutting includes the sub- frame glue of the third.
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| CN201910555317.4A CN110376801B (en) | 2019-06-25 | 2019-06-25 | Display panel mother board, frame glue coating method and display panel |
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Cited By (1)
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|---|---|---|---|---|
| CN110910755A (en) * | 2019-11-11 | 2020-03-24 | 武汉华星光电技术有限公司 | Display panel mother board and display panel |
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| CN110376801B (en) | 2022-01-21 |
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