CN109979333A - A kind of display panel and preparation method thereof, display device - Google Patents
A kind of display panel and preparation method thereof, display device Download PDFInfo
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- CN109979333A CN109979333A CN201910410837.6A CN201910410837A CN109979333A CN 109979333 A CN109979333 A CN 109979333A CN 201910410837 A CN201910410837 A CN 201910410837A CN 109979333 A CN109979333 A CN 109979333A
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- dam
- array substrate
- heat
- display panel
- insulated
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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
- G02F1/133351—Manufacturing of individual cells out of a plurality of cells, e.g. by dicing
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
Abstract
The present invention relates to display equipment technical fields, disclose a kind of display panel and preparation method thereof, display device, which includes: array substrate, and the cut edge of array substrate includes that at least one concaves towards the corner inside array substrate；The region in array substrate close to cut edge is arranged in anticracking dam；Heat-insulated dam is arranged between anticracking dam and cut edge, and the corner inside array substrate is concaved towards in cut edge.The display panel near cut edge by increasing heat-insulated dam, to reduce the generation in crack in cutting process, improves the yield of display panel, improves display effect.
Description
Technical field
The present invention relates to display equipment technical field, in particular to a kind of display panels and preparation method thereof, display device.
Background technique
It needs to carry out abnormity cutting in display panel manufacturing process, during abnormity cutting, cutting region concaves towards array
Heat is spread inside when corner inside substrate is cut, and since heat affecting causes corner stress that can not discharge, is easy cutting
It cuts region corner to produce fracture, causes the fixed position line bad.
Summary of the invention
The present invention provides a kind of display panel and preparation method thereof, display device, the production method of above-mentioned display panel
In, reduce the generation in crack in cutting process by increasing heat-insulated dam near cutting line area corner, improves display surface
The yield of plate, improves display effect.
In order to achieve the above objectives, the present invention the following technical schemes are provided:
A kind of display panel, comprising:
Array substrate, the cut edge of the array substrate include that at least one concaves towards the corner inside array substrate；
The region in the array substrate close to the cut edge is arranged in anticracking dam；
Heat-insulated dam is arranged between the anticracking dam and the cut edge, and concaves towards battle array in the cut edge
Corner inside column substrate.
Above-mentioned display panel includes array substrate and the anticracking dam and heat-insulated dam that are set in array substrate, wherein battle array
The edge of column substrate is cut edge, and cut edge includes at least one corner, close to the area of cut edge in array substrate
Domain is provided with multiple anticracking dams, concaves towards shape between the cut edge of the corner inside array substrate and anticracking dam in cut edge
At there is heat-insulated dam；In the forming process of cut edge, anticracking dam can effectively prevent array substrate to occur in cutting process
Crack or fracture；In the forming process of cut edge, the heat that heat-insulated dam generates cut edge in cutting process is inhaled
It receives, blocks the heat of cutting process generation to spreading inside array substrate, it is therefore prevented that made due to stress that thermal diffusion generates
At array substrate in the generation crack of the corner of cut edge, the bad situation of product middle line is advantageously reduced, production is improved
Product yield and display effect.
Preferably, the extending direction on the heat-insulated dam is parallel with the cut edge.
Preferably, the shape on the heat-insulated dam be opening towards the cut edge be L shape.
Preferably, the heat-insulated dam includes the rectangular tiles of at least two-row spacing arrangement, and the heat-insulated dam includes along the
One direction extend first while and in a second direction extend second while, wherein
Every adjacent two rows of rectangular tiles no overlaps on the direction perpendicular to the first direction on first side,
Every adjacent two rows of rectangular tiles no overlaps in the direction perpendicular to the second direction on second side；Alternatively,
Partially being handed on the direction perpendicular to the first direction per adjacent two rows of rectangular tiles on first side
It is folded, partially being overlapped in the direction perpendicular to the second direction per adjacent two rows of rectangular tiles on second side；Or
Person,
Every adjacent two rows of rectangular tiles no overlaps on the direction perpendicular to the first direction on first side,
Partially being overlapped in the direction perpendicular to the second direction per adjacent two rows of rectangular tiles on second side；Alternatively,
Partially being handed on the direction perpendicular to the first direction per adjacent two rows of rectangular tiles on first side
It is folded, every adjacent two rows of rectangular tiles no overlaps in the direction perpendicular to the second direction on second side.
Preferably, the material on the heat-insulated dam is amorphous silicon.
Optionally, each corner concaved towards inside array substrate includes a heat-insulated dam.
Optionally, each corner concaved towards inside array substrate includes multiple heat-insulated dams.
Preferably, the anticracking dam is parallel with the heat-insulated dam.
The present invention also provides a kind of production methods of display panel, which comprises
S1: array substrate motherboard, the array substrate motherboard include cutting line area, are located at the cutting line area side
Region to be removed and reservation region positioned at the cutting line area other side；
S2: the corner in the reservation region in the array substrate motherboard close to the cutting line area passes through exposure mask
Technique forms anticracking dam；
S3: the corner in the reservation region in the array substrate motherboard close to the cutting line area passes through exposure mask
Technique forms anticracking dam；
S4: being cut along cutting line area, obtains array substrate.
The present invention also provides a kind of display devices, including the display panel provided in above-mentioned technical proposal.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of display panel provided by the invention；
Fig. 2 is the partial enlargement structural representation on the first heat-insulated dam in display panel provided by the invention；
Fig. 3 is the partial enlargement structural representation on second of heat-insulated dam in display panel provided by the invention；
Fig. 4 a is the section figure structure schematic representation for the display panel that a heat-insulated dam is arranged in each corner provided by the invention；
Fig. 4 b is the section figure structure schematic representation for the display panel that two heat-insulated dams are arranged in each corner provided by the invention；
Fig. 5 is a kind of flow chart of the production method of display panel provided by the invention.
Icon:
1- array substrate；2- cutting line area；The region to be removed 3-；4- retains region；The heat-insulated dam 5-；6- anticracking dam；7-
Driving chip.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to FIG. 1, the present invention provides a kind of display panel, comprising:
Array substrate 1, the cut edge of array substrate 1 include that at least one concaves towards the corner A inside array substrate；
The region in array substrate 1 close to cut edge is arranged in anticracking dam 6；
Heat-insulated dam 5 is arranged between anticracking dam 6 and cut edge, and concaves towards inside array substrate in cut edge
Corner.
Above-mentioned display panel includes array substrate 1 and the anticracking dam 6 and heat-insulated dam 5 that are set in array substrate 1,
In, the edge of array substrate 1 is cut edge, and cut edge includes at least one corner, close to cutting edge in array substrate 1
The region of edge is provided with multiple anticracking dams 6, is formed between the cut edge and anticracking dam 6 of the corner of cut edge heat-insulated
Dam 5；In the forming process of cut edge, anticracking dam 6 can effectively prevent array substrate 1 occur in cutting process crack or
Fracture；In the forming process of cut edge, the heat that heat-insulated dam 5 generates cut edge in cutting process absorbs, and hinders
The heat of cutting process generation is kept off to spreading inside array substrate 1, it is therefore prevented that battle array is caused due to stress that thermal diffusion generates
Column substrate 1 advantageously reduces the bad situation of product middle line, it is good to improve product in the generation crack of the corner of cut edge
Rate and display effect.
Specifically, the quantity on each corner anticracking dam 6 of display panel is multiple, as shown in figures 4 a and 4b, each
The quantity on corner anticracking dam 6 is two；The quantity on the heat-insulated dam 5 in each corner of display panel is one or more, is such as schemed
Shown in 4a, the quantity on each heat-insulated dam 5 in corner is one, and as shown in Figure 4 b, the quantity on each heat-insulated dam 5 in corner is two
It is a；Multiple heat-insulated dams 5 can be arranged side by side in the corner of each close cut edge, and the quantity on heat-insulated dam 5 is more, heat-insulated effect
Fruit is better, and the quantity on heat-insulated dam 5 can be adjusted according to space size.
Specifically, as shown in Fig. 2, the extending direction on heat-insulated dam 5 is parallel with cut edge.
The extending direction on heat-insulated dam 5 is parallel with cut edge, and is disposed in proximity to the region of the corner of cut edge, has
Help fully absorb heat in the forming process of cut edge, the heat for stopping the corner of cut edge to generate is to array
Substrate 1 is spread.
Specifically, as shown in figure 3, it towards cut edge is L shape that the shape on heat-insulated dam 5, which is opening, " U " can also be used
Shape or circle or other shapes, it is not limited here.
Specifically, when the shape on heat-insulated dam 5 is L shape, a kind of embodiment is, between heat-insulated dam 5 includes at least two rows of
Every the rectangular tiles of arrangement, and heat-insulated dam 5 include extend in a first direction first while and in a second direction extend second while,
Wherein,
In the first embodiment, every adjacent two rows of rectangular tiles on the first side are in the direction perpendicular to first direction
Upper no overlap, every adjacent two rows of rectangular tiles no overlaps on the direction perpendicular to second direction on the second side；
In second of embodiment, every adjacent two rows of rectangular tiles on the first side are in the direction perpendicular to first direction
Upper part is overlapping, partially overlapping on the direction perpendicular to second direction on the second side per adjacent two rows of rectangular tiles；
In the third embodiment, every adjacent two rows of rectangular tiles on the first side are in the direction perpendicular to first direction
Upper no overlap, partially being overlapped on the direction perpendicular to second direction per adjacent two rows of rectangular tiles on the second side；
In 4th kind of embodiment, every adjacent two rows of rectangular tiles on the first side are in the direction perpendicular to first direction
Upper part is overlapping, every adjacent two rows of rectangular tiles no overlaps on the direction perpendicular to second direction on the second side.
The shape on heat-insulated dam 5, towards the L shape of cut edge, facilitates the forming process in cut edge using opening
In, the heat generated in cutting process is fully absorbed, prevents heat from spreading to array substrate 1；In the first embodiment, every
Hot dam 5 includes the rectangular tiles of at least two-row spacing arrangement, and heat-insulated dam 5 includes the first side for extending in a first direction and along the
The second side that two directions extend, wherein every adjacent two rows of rectangular tiles on the first side are in the direction perpendicular to first direction
Upper no overlap, every adjacent two rows of rectangular tiles no overlaps on the direction perpendicular to second direction on the second side；Between
It can play the role of eliminating heat every the rectangular tiles of distribution, to preferably heat be stopped inwardly to be propagated；In other embodiment party
In formula, partially being overlapped in a direction perpendicular to the first direction per adjacent two rows of rectangular tiles on the first side, on the second side
On partially overlapped on the direction perpendicular to second direction per adjacent two rows of rectangular tiles；Alternatively, every phase on the first side
No overlap, every adjacent two rows of rectangular tiles on the second side existing adjacent two rows rectangular tiles in a direction perpendicular to the first direction
Perpendicular to partially being overlapped on the direction of second direction；Alternatively, on the first side per adjacent two rows of rectangular tiles perpendicular to the
It is partially overlapped on the direction in one direction, every adjacent two rows of rectangular tiles on the second side are on the direction perpendicular to second direction
No overlap；In this three several embodiments, exist per adjacent two rows of rectangular tiles perpendicular to first direction/second direction
Situation partially overlapping on direction, this design compared to the first embodiment, reduce the adjacent rectangular tiles of every row it
Between gap, increase the contact area between the rectangular tiles being in contact, compared with a kind of upper embodiment, the embodiment
It can equally play the role of absorbing heat, to stop heat inwardly to be propagated, and between the rectangular tiles in the heat-insulated dam 5
Fixation is more secured.
Specifically, the material on heat-insulated dam 5 is amorphous silicon.
Amorphous silicon has the characteristic of absorbable heat, when can effectively stop cutting using the heat-insulated dam 5 that amorphous silicon makes
Heat is spread toward array substrate 1 far from the direction of cut edge, is eliminated the stress generated due to heat affecting, is reduced in cut edge
Corner nearby generate crack, so that reducing display panel shows undesirable generation.
Specifically, array substrate 1 is arranged in close to the corner of driving chip 7 in heat-insulated dam 5.
Array substrate 1 is arranged in close to the corner of driving chip 7 in heat-insulated dam 5, is beneficial to prevent and is formed in cut edge
During, the fixation position line of corner driving chip 7 is caused since the heat in cutting process is spread to array substrate 1
It is bad, to improve display product yield.
Specifically, anticracking dam 6 is parallel with heat-insulated dam 5.
Anticracking dam 6 is arranged in parallel with heat-insulated dam 5, prevents during cut edge is formed, array substrate 1 produces fracture
Or crack.
The present invention also provides a kind of production methods of display panel, as shown in figure 5, method includes:
S1: 1 motherboard of array substrate, 1 motherboard of array substrate include cutting line area 2, positioned at cutting line area 2 side to
Remove region 3 and the reservation region 4 positioned at 2 other side of cutting line area；
S2: the corner in the reservation region 4 in 1 motherboard of array substrate close to cutting line area 2 passes through masking process
Form anticracking dam 6；
S3: it is formed between the corner inside array substrate by masking process being concaved towards in anticracking dam 6 and cutting line area 2
Heat-insulated dam 5；
S4: being cut along cutting line area 2, obtains array substrate 1.
In the manufacturing process of display panel, first according to step S1: first making 1 motherboard of array substrate, array substrate 1 is female
Plate includes cutting line area 2, the guarantor positioned at the region to be removed 3 of 2 side of cutting line area and positioned at 2 other side of cutting line area
Stay region 4；Wherein, after cutting to 1 motherboard of array substrate along cutting line area 2, retain region 4 and region 3 to be removed
After separating along cutting line area 2, the reservation region 4 that needs to retain is array substrate 1, and the edge of array substrate 1 is to cut
Edge；Then, according to step S2: retaining in 1 motherboard of array substrate is logical close to the corner of cutting line area 2 in region 4
Cross masking process formed anticracking dam 6, to prevent in cutting process, 1 motherboard of array substrate retain region 4 occur crack or
Fracture；Then, according to step S3: being concaved towards in anticracking dam 6 and cutting line area 2 between the corner inside array substrate by covering
Membrane process forms heat-insulated dam 5, and heat-insulated dam 5 can absorb heat, so that heat when cutting be stopped to be eliminated toward diffusion in region 4 is retained
Due to the stress that heat affecting generates, the generation in crack is reduced, and heat-insulated dam 5 is made using masking process, production method is simple；Most
Afterwards according to step S4: being cut along cutting line area 2, array substrate 1 can be obtained.
The present invention also provides a kind of display devices, which is characterized in that the display panel provided including above-mentioned technical proposal.
Obviously, those skilled in the art can carry out various modification and variations without departing from this hair to the embodiment of the present invention
Bright spirit and scope.In this way, if these modifications and changes of the present invention belongs to the claims in the present invention and its equivalent technologies
Within the scope of, then the present invention is also intended to include these modifications and variations.
Claims (10)
1. a kind of display panel characterized by comprising
Array substrate, the cut edge of the array substrate include that at least one concaves towards the corner inside array substrate；
The region in the array substrate close to the cut edge is arranged in anticracking dam；
Heat-insulated dam is arranged between the anticracking dam and the cut edge, and concaves towards array base in the cut edge
The corner of intralamellar part.
2. display panel according to claim 1, which is characterized in that the extending direction and the cutting edge on the heat-insulated dam
Edge is parallel.
3. display panel according to claim 1, which is characterized in that the shape on the heat-insulated dam is that opening is cut described in
The L shape of cut edge edge.
4. display panel according to claim 3, which is characterized in that the heat-insulated dam includes that at least two-row spacing is arranged
Rectangular tiles, and the heat-insulated dam include extend in a first direction first while and in a second direction extend second while, in which:
Every adjacent two rows of rectangular tiles no overlaps on the direction perpendicular to the first direction on first side, in institute
State every adjacent two rows of rectangular tiles no overlaps in the direction perpendicular to the second direction on the second side；Alternatively,
Partially being overlapped on the direction perpendicular to the first direction per adjacent two rows of rectangular tiles on first side,
Partially being overlapped in the direction perpendicular to the second direction per adjacent two rows of rectangular tiles on second side；Alternatively,
Every adjacent two rows of rectangular tiles no overlaps on the direction perpendicular to the first direction on first side, in institute
State partially overlapping in the direction perpendicular to the second direction on the second side per adjacent two rows of rectangular tiles；Alternatively,
Partially being overlapped on the direction perpendicular to the first direction per adjacent two rows of rectangular tiles on first side,
Every adjacent two rows of rectangular tiles no overlaps in the direction perpendicular to the second direction on second side.
5. display panel according to claim 1, which is characterized in that the material on the heat-insulated dam is amorphous silicon.
6. display panel according to claim 1, which is characterized in that each corner concaved towards inside array substrate
Including a heat-insulated dam.
7. display panel according to claim 1, which is characterized in that each corner concaved towards inside array substrate
Including multiple heat-insulated dams.
8. display panel according to claim 1-7, which is characterized in that the anticracking dam and the heat-insulated dam are flat
Row.
9. a kind of production method of display panel, which is characterized in that the described method includes:
Array substrate motherboard, the array substrate motherboard include cutting line area, positioned at the cutting line area side wait go
Except region and positioned at the reservation region of the cutting line area other side；
Retaining in region in the array substrate motherboard, passes through masking process shape close to the corner of the cutting line area
At anticracking dam；
It is formed between the corner inside array substrate by masking process being concaved towards in the anticracking dam and the cutting line area
Heat-insulated dam；
It is cut along cutting line area, obtains array substrate.
10. a kind of display device, which is characterized in that including display panel a method as claimed in any one of claims 1-8.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910410837.6A CN109979333B (en) | 2019-05-17 | 2019-05-17 | Display panel, manufacturing method thereof and display device |
| PCT/CN2020/086519 WO2020233339A1 (en) | 2019-05-17 | 2020-04-23 | Display device and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910410837.6A CN109979333B (en) | 2019-05-17 | 2019-05-17 | Display panel, manufacturing method thereof and display device |
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| CN109979333A true CN109979333A (en) | 2019-07-05 |
| CN109979333B CN109979333B (en) | 2022-01-28 |
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| CN110264891A (en) * | 2019-07-18 | 2019-09-20 | 京东方科技集团股份有限公司 | Array substrate, display panel and display device |
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