CN110187580A - Display panel and preparation method thereof, display device - Google Patents
Display panel and preparation method thereof, display device Download PDFInfo
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- CN110187580A CN110187580A CN201910579037.7A CN201910579037A CN110187580A CN 110187580 A CN110187580 A CN 110187580A CN 201910579037 A CN201910579037 A CN 201910579037A CN 110187580 A CN110187580 A CN 110187580A
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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
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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
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/136286—Wiring, e.g. gate line, drain line
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- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
Abstract
The invention discloses a kind of display panels and preparation method thereof, display device, display panel includes the first substrate, the part that first substrate corresponds to non-display area includes the first surface for being parallel to display panel and the second surface perpendicular to display panel, and the thickness for the first substrate of part that second surface is located at side of first substrate far from viewing area and second surface covers is less than the thickness of the first substrate of part of first surface covering；First substrate further includes the third surface for connecting first surface and second surface, display panel further includes the multiple interconnecting pieces being set on second surface and a plurality of signal wire via third surface and first surface cabling, and interconnecting piece is electrically connected with corresponding signal wire and passes through corresponding signal wire transmitting display signal therefor.According to the technical solution of the present invention, be conducive to the realization for shielding narrow frame firmly, while reducing the probability of signal wire broken string.
Description
Technical field
The present embodiments relate to field of display technology more particularly to display panel and preparation method thereof, display device.
Background technique
With the development of comprehensive screen technology, market is increasing to the demand of narrow frame product, and reduces frame size
For the effective means of the screen accounting of raising display screen.
COF (Chip On Flex, flip chip) bending technology is that COF is folded into the screen body back side, but display panel
Lower frame still by binding area influenced, be unfavorable for the realization of display panel narrow frame.
Summary of the invention
The present invention provides display panel and preparation method thereof, display device, be conducive to the realization for shielding narrow frame firmly, simultaneously
Reduce the probability of signal wire broken string.
In a first aspect, the embodiment of the invention provides a kind of display panels, comprising:
Viewing area and non-display area positioned at the viewing area at least side；
The display panel further includes the first substrate, and the part that first substrate corresponds to the non-display area includes parallel
First surface in the display panel and the second surface perpendicular to the display panel, the second surface are located at described
The thickness of part first substrate of side of first substrate far from the viewing area and second surface covering is less than institute
State the thickness of part first substrate of first surface covering；
First substrate further includes the third surface for connecting the first surface and the second surface, the display surface
Plate further includes the multiple interconnecting pieces being set on the second surface and walks via the third surface with the first surface
The a plurality of signal wire of line, the interconnecting piece are electrically connected with the corresponding signal wire and pass through the corresponding signal wire transmission and show
Show signal.
Further, the third surface is greater than 0 ° with the angle of the first surface and the second surface and is less than
90°；
Preferably, the angle of the third surface and the first surface and the second surface be more than or equal to 30 ° and
Less than 60 °.
Further, the thickness of part first substrate of the second surface covering and the first surface cover
The ratio between thickness of part first substrate is more than or equal to 1:10 and is less than 1:1.
While the formation of interconnecting piece on being conducive to second surface, punching is reduced to form the third table of the first substrate
The difficulty in face.
Further, the display panel further include:
Flexible circuit board, the first part of the flexible circuit board are provided with multiple pads, the pad and the connection
The corresponding electrical connection in portion, the second part of the flexible circuit board are bent to first substrate table opposite with the first surface
Face.
Width of the non-display area of display panel along non-display area relative to viewing area setting direction is further reduced, is had
Conducive to the realization of hard screen narrow frame.
Second aspect, the embodiment of the invention also provides a kind of production method of display panel, the production method includes:
Form the first substrate；Wherein, first substrate includes first surface, perpendicular to described the of the first surface
The thickness on two surfaces, part first substrate of the second surface covering is less than described in the part of first surface covering
The thickness of first substrate；
First substrate forms the third surface via drilling technology；Wherein, the third surface is separately connected institute
State first surface and the second surface；
The first pattern structure is formed on the second surface of first substrate；Wherein, first pattern structure
At least constitute interconnecting piece；Including multiple interconnecting pieces and via the third surface and described first on the second surface
The a plurality of signal wire of surface cabling.
Further, formation first substrate includes:
Second substrate is provided；Wherein, second substrate is the substrate of corresponding multiple display panels；
Drilling technology is carried out to form the third table to the part that second substrate corresponds to each display panel
Face；
Second substrate is cut along the direction perpendicular to second substrate to form multiple first substrates；Wherein, it cuts
Cut the junction that position is located at the second surface and the third surface.
So that the first substrate after cutting has the second surface and connection first surface and the perpendicular to the first substrate
The third surface on two surfaces.
Further, the part for corresponding to each display panel to second substrate carries out drilling technology with shape
Include: at the third surface
Second substrate is punched to form the connecting hole of corresponding each display panel, described in one
Display panel includes a connecting hole, and first substrate of the corresponding display panel is exposed in the connecting hole
Third surface；Wherein, the signal wire carries out cabling via the connecting hole.
Further, second substrate is being cut along the direction perpendicular to second substrate to form multiple first linings
Before bottom, the production method further include:
The second patterning knot is formed in the first surface that second substrate corresponds to each display panel part
Structure and whole planar structure is formed in the connecting hole；Wherein, second pattern structure is constituted on the first surface
The part signal wire.
When production is located at the segment signal line of first surface, the material for constituting signal wire flows into connecting hole, in connecting hole
It is interior to be formed and connect the identical whole planar structure of hole shape.
Further, described when forming the first pattern structure on the second surface of first substrate, described
Third pattern structure is formed on the third surface of one substrate；Wherein, the third pattern structure constitutes the third surface
On the part signal wire；
It is described on the third surface of first substrate formed third pattern structure include:
Repairing structure is formed on at least partly described third surface of first substrate；
It etches the repairing structure on the third surface and forms repairing circuit, and etch described on the third surface
Whole planar structure forms the 4th pattern structure；Wherein, the repairing circuit and the 4th pattern structure constitute described the
Three pattern structures.
So that third surface forms complete signal line, the broken string for greatly reducing the signal wire being electrically connected with interconnecting piece is general
Rate, and then reduce the influence that signal wire breaks to display panel display effect.
The third aspect, the embodiment of the invention also provides a kind of display devices, including display surface as described in relation to the first aspect
The prepared display panel of the production method of plate or the display panel as described in second aspect.
The embodiment of the invention provides a kind of display panel and preparation method thereof, display device, display panel, which is arranged, includes
First substrate, the part that the first substrate corresponds to non-display area includes being parallel to the first surface of display panel and perpendicular to display
The second surface of panel, second surface are located at side of first substrate far from viewing area and the part first of second surface covering and serve as a contrast
The thickness at bottom is less than the thickness of the first substrate of part of first surface covering, and the first substrate further includes connection first surface and second
The third surface on surface, display panel further include multiple interconnecting pieces being set on second surface and via third surface and the
The a plurality of signal wire of one surface cabling, interconnecting piece are electrically connected with corresponding signal wire and pass through corresponding signal wire and pass to viewing area
Defeated display signal, substantially reduces the width of the non-display area of display panel, is conducive to the realization for shielding narrow frame firmly, reduces simultaneously
The probability of signal wire broken string.
Detailed description of the invention
By reading a detailed description of non-restrictive embodiments in the light of the attached drawings below, the application's is other
Feature, objects and advantages will become more apparent upon:
Fig. 1 is a kind of the schematic diagram of the section structure of display panel provided in an embodiment of the present invention；
Fig. 2 is a kind of overlooking structure diagram of display panel provided in an embodiment of the present invention；
Fig. 3 is a kind of side structure schematic view of display panel provided in an embodiment of the present invention；
Fig. 4 is a kind of flow diagram of the production method of display panel provided in an embodiment of the present invention；
Fig. 5 is a kind of flow diagram of the production method of first substrate provided in an embodiment of the present invention；
Fig. 6 to Fig. 8 is respectively the corresponding the schematic diagram of the section structure of each step of production method shown in Fig. 5；
Fig. 9 is the production method of another display panel provided in an embodiment of the present invention；
Figure 10 is a kind of structural schematic diagram of display device provided in an embodiment of the present invention.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention rather than limiting the invention.It also should be noted that in order to just
Only the parts related to the present invention are shown in description, attached drawing rather than entire infrastructure.It is same or similar in this specification
Drawing reference numeral represent the same or similar structure, element or process.It should be noted that in the absence of conflict, this Shen
Please in embodiment and embodiment in feature can be combined with each other.
The embodiment of the invention provides a kind of display panels, including viewing area and positioned at the non-display of viewing area at least side
Area, display panel further include the first substrate, and the part that the first substrate corresponds to non-display area includes be parallel to display panel first
Surface and second surface perpendicular to display panel, second surface are located at side of first substrate far from viewing area, the second table
The thickness of the first substrate of part of face covering is less than the thickness of the first substrate of part of first surface covering.First substrate further includes
The third surface of connection connection first surface and second surface, display panel further includes the multiple connections being set on second surface
Portion and a plurality of signal wire via third surface and first surface cabling, interconnecting piece are electrically connected and pass through with corresponding signal wire
Corresponding signal wire is to viewing area transmitting display signal therefor.
COF (Chip On Flex, flip chip) bending technology is that COF is folded into the screen body back side, to reduce display surface
The width of plate lower frame, but the lower frame of display panel is still influenced by binding area, so that the width of lower frame can not be again
Shorten, for flexible display panels, can will bind area and be bent to the width for shielding the body back side to shorten display panel lower frame,
But hard screen is by factors such as glass modulus due to being limited, can not the binding area in application flexibility screen bend technology, cause
The following width of frame shielded firmly is larger, is unfavorable for the realization of display panel narrow frame.
The embodiment of the present invention uses side binding technology, i.e., the second surface that interconnecting piece is set to the first substrate contracts significantly
The short width of the non-display area of display panel is (i.e. in the length along viewing area on non-display area extending direction in non-display area
Degree), be conducive to the realization for shielding narrow frame firmly, in addition, by setting third surface, and third surface connects first surface and second
Surface, with the signal wire of interconnecting piece electrical connection via the inclined third surface cabling for connecting first surface and second surface,
The signal wire on third surface formed when making the signal wire on first surface may be imperfect, since third surface is inclination
Surface, be conducive to make second surface on interconnecting piece when repairing third surface on signal wire so that on third surface
Signal wire forms complete structure, reduces the probability that signal wire breaks on third surface, thereby reduces the general of signal wire broken string
Rate, so that punching the second surface of the first substrate of the third surface optimization formed to the circular arc degree of first surface transition, into one
Step reduces the outage probability of signal wire.It is core of the invention thought above, below in conjunction with attached in the embodiment of the present invention
Figure, technical scheme in the embodiment of the invention is clearly and completely described.Based on the embodiments of the present invention, this field
Without making creative work, every other embodiment obtained belongs to guarantor of the present invention to those of ordinary skill
The range of shield.
Fig. 1 is a kind of the schematic diagram of the section structure of display panel provided in an embodiment of the present invention, and Fig. 2 is the embodiment of the present invention
A kind of overlooking structure diagram of the display panel provided, Fig. 3 are a kind of side view of display panel provided in an embodiment of the present invention
Structural schematic diagram.In conjunction with Fig. 1 to Fig. 3, display panel includes viewing area AA and the non-display area positioned at at least side viewing area AA
NAA, illustrates only the non-display area NAA positioned at the viewing area side AA here, and non-display area NAA can correspond to display panel
Lower frame.
Display panel further includes the first substrate 1, and the part of the corresponding non-display area NAA of the first substrate 1 includes being parallel to display
The first surface A of panel, the i.e. upper surface of the first substrate 1, and perpendicular to the second surface B of display panel, i.e. the first substrate 1
Side, second surface B is located at the first side of the substrate 1 far from viewing area AA, i.e., along non-display area NAA relative to viewing area AA
Setting direction XX ', second surface B covering the first substrate of part 1 thickness be less than first surface A covering part first serve as a contrast
The thickness at thickness first surface A corresponding less than the first substrate 1 at the corresponding second surface B of the thickness at bottom 1, i.e. the first substrate 1,
Thickness i.e. along the direction perpendicular to the first substrate 1, the corresponding second surface B of the first substrate 1 is less than the first substrate 1 corresponding first
Thickness at surface A.
First substrate 1 further includes third surface C, and third surface C connects first surface A and second surface B, needs to illustrate
It is after display panel completes and not include 12 parts in Fig. 1, it is only to embody third surface C that 12 parts are shown in Fig. 1
A kind of implementation, i.e., formed by drilling technology, due to second surface B be located at the first side of the substrate 1 far from viewing area AA and
The thickness of the first substrate of part 1 of second surface B covering is less than the thickness of the first substrate of part 1 of first surface A covering, third
Surface C forms inclined-plane as shown in Figure 1, display panel further include the multiple interconnecting pieces 2 being set on second surface B and via
The a plurality of signal wire 3 of third surface C and first surface A cabling, interconnecting piece 2 are electrically connected and pass through corresponding with corresponding signal wire 3
3 transmitting display signal therefor of signal wire.
Illustratively, in conjunction with Fig. 1 to Fig. 3, the first substrate 1 can be glass substrate, aobvious by organic light emission of display panel
For showing panel, organic light emitting display 10 and thin-film package are provided on the first substrate 1 of corresponding viewing area AA setting
The layer structure such as 11 are provided with multiple interconnecting pieces 2 on the second surface B of first substrate 1, and driving chip (not shown) passes through more
A interconnecting piece 2 and 3 transmitting display signal therefor of signal wire being arranged in a one-to-one correspondence with interconnecting piece 2, such as can be to display panel
Viewing area AA transmits data-signal or transmits clock signal etc. to the non-display area NAA for being located at display panel.
In conjunction with Fig. 1 to Fig. 3, the interconnecting piece 2 bound by being arranged with driving chip is respectively positioned on the first substrate 1
Second surface B, and interconnecting piece 2 is by 3 transmitting display signal therefor of a plurality of signal wire via third surface C and first surface A cabling,
While realizing 2 electrical connection of interconnecting piece with transmitting display signal therefor, display surface is substantially reduced using side binding technology
Width of the non-display area NAA of plate along non-display area NAA relative to viewing area AA setting direction XX ', that is, substantially reduce in Fig. 1
The size of d1 is conducive to the realization for shielding narrow frame firmly, in addition, the first substrate 1 of setting includes third surface C, the connection of third surface C
First surface A and second surface B, that is, it includes third surface C that the first substrate 1, which is arranged, and the signal wire 3 being electrically connected with interconnecting piece 2 passes through
By third surface C cabling, the signal wire 3 in third surface C formed when making the signal wire 3 on first surface A may not
Completely, since third surface C is inclined surface, be conducive to repair third surface when making the interconnecting piece 2 on second surface B
Signal wire 3 on C greatly reduces the probability that signal wire 3 breaks in third surface C, thereby reduces the general of the broken string of signal wire 3
Rate.
Optionally, the angle between third surface C and first surface A and second surface B is greater than 0 ° and less than 90 °, makes
The third surface C formed must be punched and optimize the second surface B of the first substrate 1 to the circular arc degree of first surface A transition, further
Reduce the outage probability of signal wire 3.Preferably, the angle between third surface C and first surface A and second surface B is big
In equal to 30 ° and less than 60 °, specifically, multiple interconnecting pieces 2 are set on the second surface B of the first substrate 1, with 2 electricity of interconnecting piece
The signal wire 3 for being used for transmission display signal of connection has advanced optimized the second of the first substrate 1 via third surface C cabling
Circular arc degree from surface B to first surface A transition so that the first substrate 1 is by second surface B to third surface C and by third table
The bending angle even variation of face C to first surface A avoids the first substrate 1 by second surface B to third surface C and by
There is mutation in the bending angle of three surface Cs to first surface A, further reduced the probability of the broken string of signal wire 3, thereby reduce
The influence that signal wire 3 breaks to display panel display effect.Optionally, in conjunction with Fig. 1 to Fig. 3, second surface B covering can be set
The ratio between thickness and the first surface A thickness of the first substrate of part 1 covered of the first substrate of part 1 be more than or equal to 1:10 and small
In 1:1.Specifically, in conjunction with Fig. 1 to Fig. 3, the thickness of the first substrate of part 1 of second surface B covering is too small to be unfavorable for the second table
The thickness of the formation of interconnecting piece 2 on the B of face, the first substrate of part 1 of second surface B covering is excessive so that 12 parts are smaller, increases
The technology difficulty of the third surface C of the first substrate 1 is formed by punching, the part first that setting second surface B is covered serves as a contrast
The ratio between the thickness of the first substrate of part 1 of thickness and first surface the A covering at bottom 1 is more than or equal to 1:10 and is less than 1:1, advantageous
While the formation of interconnecting piece 2 on second surface B, punching is reduced to form the difficulty of the third surface C of the first substrate 1.
Optionally, in conjunction with Fig. 1 to Fig. 3, display panel can also include flexible circuit board 4, and first of flexible circuit board 4
41 are divided to be provided with multiple pad (not shown)s, pad is corresponding with the interconnecting piece 2 on 1 second surface B of the first substrate to be electrically connected,
The second part 42 of flexible circuit board 4 is bent to the first substrate 1 surface opposite with first surface A.Specifically, flexible circuit board
Driving chip can be set on 4, driving chip passes through multiple in 4 first part 41 of flexible circuit board 4 and flexible circuit board
Pad is realized and is shown to display panel to 2 transmitting display signal therefor of interconnecting piece being set on 1 second surface B of the first substrate
The transmission of signal.Driving chip can be arranged in the second part 42 of flexible circuit board 4, the second part of flexible circuit board 4
42 are bent to the first substrate 1 surface opposite with first surface A, so that driving chip is equally bent to the first substrate 1 and first
The opposite surface of surface A, the i.e. lower surface of the first substrate 1, further reduce the width of the non-display area NAA of display panel
(i.e. in the length along viewing area AA on non-display area NAA extending direction in non-display area NAA) is conducive to shield narrow frame firmly
It realizes.In addition, display panel can also include the first flexible circuit board 40, flexible circuit board 4 can be with the first flexible circuit board
40 electrical connections, the first flexible circuit board are fixed on the lower surface of the first substrate 1 by fixed structure 400.
The embodiment of the invention also provides a kind of production method of display panel, Fig. 4 is provided in an embodiment of the present invention one
The flow diagram of the production method of kind display panel, the production method are used to make the display panel of above-described embodiment, such as Fig. 4
Shown, the production method of display panel includes:
S10, the first substrate is formed；Wherein, the first substrate forms third surface via drilling technology.
In conjunction with Fig. 1 to Fig. 3, the first substrate 1 is formed, drilling technology can be carried out to the first substrate 1 and form third surface C,
Punching forms connecting hole 13, the third surface C of the first substrate 1 is exposed in connecting hole 13, optionally, Fig. 5 is the embodiment of the present invention
The flow diagram of the production method of the first substrate of one kind of offer, as shown in figure 5, the first substrate of formation includes:
S101, the second substrate is provided, the second substrate is the substrate of corresponding multiple display panels.
Specifically, as shown in fig. 6, providing the second substrate 5, the second substrate 5 is the substrate of corresponding multiple display panels, Fig. 6
In the corresponding display panel in part between two dotted lines.
S102, the part that each display panel is corresponded to the second substrate carry out drilling technology to form third surface.
Specifically, as shown in fig. 7, carrying out drilling technology to the part of the corresponding each display panel of the second substrate 5 to be formed
Third surface C then can carry out punching to the corresponding position of the second substrate 5 and be formed in Fig. 7 using display panel as processing unit
Shape is punched, the inclined-plane for punching formation is the third surface C of corresponding first substrate 1.
Optionally, in conjunction with Fig. 1 to Fig. 7, drilling technology is carried out with shape to the part of the corresponding each display panel of the second substrate 5
It include being punched to the second substrate 5 to form the connecting hole 13 of corresponding each display panel, a display surface at third surface C
Plate includes a connecting hole 13, and the third surface C of the first substrate 1 of corresponding display panel, signal wire 3 are exposed in connecting hole 13
Cabling is carried out via connecting hole 13.
S103, the second substrate is cut to form multiple first substrates along the direction perpendicular to the second substrate；Wherein, cleavage
Setting in the junction of second surface and third surface.
Specifically, as shown in figure 8, cutting the second substrate 5 along the direction perpendicular to the second substrate 5 to form multiple first linings
Bottom 1, cutting position are located at the junction of second surface B and third surface C, and dotted line position cuts the second substrate 5 along Fig. 7
The first substrate 1 to form multiple first substrates 1 shown in Fig. 8, after cutting is cut with the second surface perpendicular to the first substrate 1
B and the third surface C for connecting first surface A and second surface B.
Known, the thickness of the first substrate of part 1 of the second surface B covering of the display panel of formation is less than first surface
The thickness at the place the corresponding second surface B of the first substrate of thickness 1 of the first substrate of part 1 of A covering is less than the first substrate 1 correspondence the
Thickness at one surface A, then the connecting hole inclined hole 13 for punching formation runs through the upper right corner of the first substrate 1, so that cutting forms the
12 parts of the first substrate 1 are removed after one substrate 1, and the third surface C of the first substrate 1 is exposed in order in third surface C
The production of signal wire 3.
Optionally, before cutting the second substrate along the direction perpendicular to the second substrate to form multiple first substrates, system
Make method can also include the second substrate correspond to each display panel part first surface formed the second pattern structure with
And whole planar structure is formed in connecting hole, the second pattern structure constitutes the segment signal line on first surface.
Specifically, in conjunction with Fig. 1, Fig. 2 and Fig. 7, the second substrate 5 is being cut to be formed along the direction perpendicular to the second substrate 5
Before multiple first substrates 1, drilling technology is carried out to form first to the part of the corresponding each display panel of the second substrate 5
The third surface C of substrate 1 can form the second patterning in the first surface A of the corresponding each display panel part of the second substrate 5
Structure 62 and whole planar structure is formed in connecting hole 13, the second pattern structure 62 constitutes the part letter on first surface A
The corresponding connecting hole 13 in part of number line 3, the corresponding each display panel of the second substrate 5 is a through-hole, then is located at the in production
When the segment signal line 3 of one surface A, the material for constituting signal wire 3 flows into connecting hole 13, formation and connecting hole in connecting hole 13
The identical whole planar structure of 13 shapes, the second pattern structure 62 and whole planar structure are cut to the second substrate 5
It completes before first substrate 1.
S11, the first pattern structure is formed on the second surface of the first substrate；Wherein, the first pattern structure is at least
Constitute interconnecting piece.
Specifically, in conjunction with Fig. 1 and Fig. 3 and Fig. 8, the second substrate 5 is cut after forming the first substrate 1, the first substrate 1
Second surface B exposes, and forms the first pattern structure 61 on the second surface B of the first substrate 1, the first pattern structure 61 to
Interconnecting piece 2 is constituted less, can also form at least partly signal wire 3 being electrically connected with interconnecting piece 2 on second surface B, then the first figure
Case structure 61 constitutes interconnecting piece 2 and the segment signal line 3.
Optionally, in conjunction with Fig. 1 to Fig. 3 and Fig. 7 and Fig. 8, the first pattern is formed on the second surface B of the first substrate 1
When changing structure 61, third pattern structure 63, third pattern structure 63 can be formed in the third surface C of the first substrate 1
The segment signal line 3 in third surface C is constituted, third pattern structure 63 is formed in the third surface C of the first substrate 1 and wraps
It includes:
Repairing structure is formed in at least partly third surface C of the first substrate 1, etches the repairing knot in third surface C
It is configured to repairing circuit, and the whole planar structure in etching third surface C forms the 4th pattern structure, repairing circuit and the
Four pattern structures constitute third pattern structure 63.
Specifically, before cutting the first substrate 1 of formation to the second substrate 5, in the corresponding each display panel of the second substrate 5
Whole planar structure is formed in partial third surface C, i.e. connecting hole 13, there may be the whole planar structure formed can not be complete
Connecting hole 13 is filled, when etching the signal wire 3 to be formed in third surface C to whole planar structure, third surface C can not be formed such as figure
Complete signal line 3 shown in 2 causes the signal wire 3 being electrically connected with interconnecting piece 2 to there is open circuit, influences the normal aobvious of display panel
Show effect.
After forming multiple first substrates 1 to the cutting of the second substrate 5, the second surface B of the first substrate 1 exposes, also due to
Punch formed third surface C setting so that make second surface B the first pattern structure 61 when, can be to third table
Incomplete signal wire 3 is repaired on the C of face, such as do not covered by whole planar structure in the third surface C of the first substrate 1 first
Position forms repairing structure, and repairing structure is also possible to the repairing structure of whole face shape, then can be set and cut to the second substrate 5
The repairing structure of the whole face shape of the whole planar structure and formation of preceding formation covers third surface C, cuts preceding formation to the second substrate 5
Whole planar structure and the repairing structure of whole face shape of formation perform etching and be respectively formed the 4th pattern structure and patch cord
Road, with the segment signal line 3 formed in third surface C, i.e. third pattern structure 63, so that third surface C is formed such as Fig. 2 institute
The complete signal line 3 shown greatly reduces the outage probability for the signal wire 3 being electrically connected with interconnecting piece 2, and then reduces signal wire 3
The influence broken to display panel display effect.
Fig. 9 is the production method of another display panel provided in an embodiment of the present invention, with display panel shown in Fig. 4
Based on production method, formed on the second surface of the first substrate after the first pattern structure, production method further include by
The first part of flexible circuit board conforms to the second surface of the first substrate；Wherein, it is set to the first part of flexible circuit board
Pad it is corresponding with interconnecting piece electrical connection；It is opposite with first surface that the second part of flexible circuit board is bent to the first substrate
Surface, as shown in figure 9, production method includes:
S20, the first substrate is formed；Wherein, the first substrate forms third surface via drilling technology.
S21, the first pattern structure is formed on the second surface of the first substrate；Wherein, the first pattern structure is at least
Constitute interconnecting piece.
S22, the second surface that the first part of flexible circuit board is conformed to the first substrate；Wherein, it is set to flexible electrical
The electrical connection corresponding with interconnecting piece of the pad of the first part of road plate.
Specifically, in conjunction with Fig. 1 to Fig. 3, display panel can also include flexible circuit board 4, and first of flexible circuit board 4
Divide 41 to be provided with multiple pads, the first part 41 of flexible circuit board 4 is conformed to the second surface B of the first substrate 1, i.e., will be set
It is placed in the pad electrical connection corresponding with interconnecting piece 2 of the first part 41 of flexible circuit board 4, drive can be set on flexible circuit board 4
Dynamic chip, driving chip is by multiple pads in 4 first part 41 of flexible circuit board 4 and flexible circuit board to being set to the
2 transmitting display signal therefor of interconnecting piece on one substrate, 1 second surface B is realized the transmission that signal is shown to display panel.
S23, the second part of flexible circuit board is bent to the first substrate surface opposite with first surface.
Specifically, in conjunction with Fig. 1 to Fig. 3, driving chip can be arranged in the second part 42 of flexible circuit board 4, it will be soft
The second part 42 of property circuit board 4 is bent to the first substrate 1 surface opposite with first surface A, so that driving chip is equally curved
It is folded to the first substrate 1 surface opposite with first surface A, the i.e. lower surface of the first substrate 1, further reduces display panel
Width of the non-display area NAA along non-display area NAA relative to viewing area AA setting direction XX ' is conducive to the reality for shielding narrow frame firmly
It is existing.
The production method of display panel provided in an embodiment of the present invention makes display panel realize side binding technology, greatly
Width of the non-display area NAA of display panel along non-display area NAA relative to viewing area AA setting direction XX ' is shortened greatly, is had
Conducive to the realization of hard screen narrow frame, in addition, the third surface C that punching is formed is conducive to the interconnecting piece 2 on production second surface B
When repairing third surface C on signal wire 3, reduce signal wire 3 broken string probability.
The embodiment of the invention also provides a kind of display device, Figure 10 is a kind of display device provided in an embodiment of the present invention
Structural schematic diagram.As shown in Figure 10, display device 20 includes display panel 19 described in above-described embodiment, therefore the present invention is real
The display device 20 for applying example offer also has beneficial effect described in above-described embodiment, and details are not described herein again.Illustratively,
Display device 20 can be organic light-emitting display device, be also possible to liquid crystal display device, and display device 20 can be mobile phone, or
Person can be the electronic equipments such as computer or wearable device, and the embodiment of the present invention is not construed as limiting the concrete form of display device.
Note that the above is only a better embodiment of the present invention and the applied technical principle.It will be appreciated by those skilled in the art that
The present invention is not limited to specific embodiments here, be able to carry out for a person skilled in the art it is various it is apparent variation, again
Adjustment and substitution are without departing from protection scope of the present invention.Therefore, although by above embodiments to the present invention carried out compared with
For detailed description, but the present invention is not limited to the above embodiments only, without departing from the inventive concept, can be with
Including more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.
Claims (10)
1. a kind of display panel characterized by comprising
Viewing area and non-display area positioned at the viewing area at least side；
The display panel further includes the first substrate, and the part that first substrate corresponds to the non-display area includes being parallel to institute
The first surface of display panel and the second surface perpendicular to the display panel are stated, the second surface is located at described first
The thickness of side of the substrate far from the viewing area, part first substrate of the second surface covering is less than described first
The thickness of part first substrate of surface covering；
First substrate further includes the third surface for connecting the first surface and the second surface, and the display panel is also
Including the multiple interconnecting pieces being set on the second surface and via the third surface and the first surface cabling
A plurality of signal wire, the interconnecting piece are electrically connected with the corresponding signal wire and pass through the corresponding signal wire transmission display letter
Number.
2. display panel according to claim 1, which is characterized in that the third surface and the first surface and institute
The angle for stating second surface is greater than 0 ° and less than 90 °；
Preferably, the third surface is more than or equal to 30 ° with the angle of the first surface and the second surface and is less than
60°。
3. display panel according to claim 1, which is characterized in that the part of the second surface covering first lining
The ratio between the thickness at bottom and the thickness of part first substrate of first surface covering are more than or equal to 1:10 and are less than 1:1.
4. display panel according to claim 1-3, which is characterized in that further include:
Flexible circuit board, the first part of the flexible circuit board are provided with multiple pads, the pad and the interconnecting piece pair
It should be electrically connected, the second part of the flexible circuit board is bent to first substrate surface opposite with the first surface.
5. a kind of production method of display panel characterized by comprising
Form the first substrate；Wherein, first substrate includes first surface, second table perpendicular to the first surface
The thickness in face, part first substrate of the second surface covering is less than the part described first of first surface covering
The thickness of substrate；
First substrate forms the third surface via drilling technology；Wherein, the third surface is separately connected described
One surface and the second surface；
The first pattern structure is formed on the second surface of first substrate；Wherein, first pattern structure is at least
Constitute interconnecting piece；Including multiple interconnecting pieces and via the third surface and the first surface on the second surface
The a plurality of signal wire of cabling.
6. the production method of display panel according to claim 5, which is characterized in that described to form the first substrate packet
It includes:
Second substrate is provided；Wherein, second substrate is the substrate of corresponding multiple display panels；
Drilling technology is carried out to form the third surface to the part that second substrate corresponds to each display panel；
Second substrate is cut along the direction perpendicular to second substrate to form multiple first substrates；Wherein, cleavage
Setting in the junction of the second surface and the third surface.
7. the production method of display panel according to claim 6, which is characterized in that described corresponding to second substrate
The part of each display panel carries out drilling technology to form the third surface
Second substrate is punched to form the connecting hole of corresponding each display panel, a display panel
Including a connecting hole, the third table of first substrate of the corresponding display panel is exposed in the connecting hole
Face；Wherein, the signal wire carries out cabling via the connecting hole.
8. the production method of display panel according to claim 7, which is characterized in that along perpendicular to second substrate
Direction cut second substrate to form multiple first substrates before, the production method further include:
Second substrate correspond to each display panel part the first surface formed the second pattern structure with
And whole planar structure is formed in the connecting hole；Wherein, second pattern structure constitutes the portion on the first surface
Divide the signal wire.
9. the production method of display panel according to claim 8, which is characterized in that described the of first substrate
When forming the first pattern structure on two surfaces, third pattern structure is formed on the third surface of first substrate；Its
In, the third pattern structure constitutes the part signal wire on the third surface；
It is described on the third surface of first substrate formed third pattern structure include:
Repairing structure is formed on at least partly described third surface of first substrate；
Etch the whole face that the repairing structure on the third surface is formed on repairing circuit, and the etching third surface
Shape structure forms the 4th pattern structure；Wherein, the repairing circuit and the 4th pattern structure constitute the third figure
Case structure.
10. a kind of display device, which is characterized in that including display panel according to any one of claims 1-4 or as weighed
Benefit requires the prepared display panel of production method of the described in any item display panels of 5-9.
Priority Applications (3)
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| CN201910579037.7A CN110187580B (en) | 2019-06-28 | 2019-06-28 | Display panel, manufacturing method thereof and display device |
| PCT/CN2019/130732 WO2020258823A1 (en) | 2019-06-28 | 2019-12-31 | Display panel, fabrication method therefor and display device |
| US17/376,417 US20210343758A1 (en) | 2019-06-28 | 2021-07-15 | Display panel and manufacturing method thereof |
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| CN201910579037.7A CN110187580B (en) | 2019-06-28 | 2019-06-28 | Display panel, manufacturing method thereof and display device |
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| CN110187580B CN110187580B (en) | 2021-08-27 |
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| WO2020258823A1 (en) * | 2019-06-28 | 2020-12-30 | 云谷（固安）科技有限公司 | Display panel, fabrication method therefor and display device |
| WO2021042536A1 (en) * | 2019-09-03 | 2021-03-11 | Tcl华星光电技术有限公司 | Display module and display apparatus |
| CN114594624A (en) * | 2022-01-27 | 2022-06-07 | 业成科技（成都）有限公司 | Display module, manufacturing method thereof, touch display module, display and electronic equipment |
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| CN110187580B (en) | 2021-08-27 |
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Denomination of invention: Display panel and its production method, display device Effective date of registration: 20230616 Granted publication date: 20210827 Pledgee: China Construction Bank Co.,Ltd. Gu'an Sub branch Pledgor: YUNGU (GU'AN) TECHNOLOGY Co.,Ltd. Registration number: Y2023980044410 |