CN110032007A - Display panel and display device - Google Patents
Display panel and display device Download PDFInfo
- Publication number
- CN110032007A CN110032007A CN201910338588.4A CN201910338588A CN110032007A CN 110032007 A CN110032007 A CN 110032007A CN 201910338588 A CN201910338588 A CN 201910338588A CN 110032007 A CN110032007 A CN 110032007A
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- China
- Prior art keywords
- display panel
- substrate
- cabling
- fanned out
- solder joint
- Prior art date
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Classifications
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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
-
- 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
-
- 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
- G02F1/1345—Conductors connecting electrodes to cell terminals
- G02F1/13452—Conductors connecting driver circuitry and terminals of panels
-
- 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
- G02F1/133357—Planarisation layers
Abstract
The invention discloses a display panel and a display device, which are provided with a display area and a non-display area surrounding the display area, wherein the non-display area comprises a first substrate and a second substrate which are opposite, and the part of the first substrate, which exceeds the second substrate, is a step area in a first direction; the first substrate comprises a substrate base plate, a grounding welding point, a fan-out wiring and a planarization layer, wherein the substrate base plate is close to the second substrate side; the second substrate includes an electrostatic shielding layer; the display panel comprises a conductive connecting part, and the electrostatic shielding layer is electrically connected with the grounding welding spot through the conductive connecting part; the first substrate and the second substrate are attached through frame sealing glue, and the frame sealing glue is overlapped with the fan-out wiring in the direction perpendicular to the light-emitting surface of the display panel; the planarization layer is provided with an opening, and the opening is overlapped with the frame sealing glue in the direction vertical to the light-emitting surface of the display panel; and in the first direction, the opening overlaps the ground pad. The invention is beneficial to realizing the narrow frame of the display panel.
Description
[technical field]
The present invention relates to technical field more particularly to a kind of display panel and including the display device of the display panel.
[background technique]
With the continuous development in display market, consumer is more and more harsh for the visual effect requirement of display screen, not only
Diversification is required to the design of display screen, and also higher and higher for the requirement for shielding accounting.Thus the comprehensive screen occurred
The trend of technology is exactly to pursue the screen accounting more than or equal to 90% by ultra-narrow the frame even design of Rimless, total in fuselage
In the case that area is constant, so that display area maximizes, visual effect is more pleasantly surprised.
It is more and more narrow however as the frame of display screen, it will affect the airtight quality of display screen, often so as to cause display
Screen stops the variation of steam performance, and especially when carrying out reliability test to display screen, steam is easily accessible display screen, leads
The route for causing display screen to be exposed in steam is corroded, and influences the leakproofness of display screen sealant, to occur showing bad
Problem.
[summary of the invention]
In order to solve the above technical problem, the present invention provides a kind of display panel and the display including the display panel fills
It sets.
In a first aspect, the embodiment of the present invention provides a kind of display panel, it is provided with viewing area and around the viewing area
Non-display area, the display panel include the first substrate being oppositely arranged and the second substrate, in a first direction, described first
The length of substrate is greater than the length of the second substrate, and the first substrate forms step beyond the part of the second substrate
Area, the non-display area include the stepped region；The first substrate includes underlay substrate, and is arranged in the substrate base
Plate close to the second substrate side ground connection solder joint, be fanned out to cabling and planarization layer, wherein the ground connection solder joint is located at institute
Stepped region is stated, the cabling that is fanned out to is between the ground connection solder joint and the viewing area；The second substrate includes electrostatic sheild
Cover layer；The display panel includes conductive connection part, and the electrostatic screen layer is welded by the conductive connection part and the ground connection
Point electrical connection；The display panel further includes the sealant positioned at the non-display area, the first substrate and second base
Plate is bonded by the sealant, and on the direction perpendicular to the display panel light-emitting surface, the sealant is fanned out to described
Cabling is overlapping, and in said first direction, at least partly described sealant be located at the viewing area and the stepped region it
Between；The planarization layer is provided with opening, on the direction perpendicular to the display panel light-emitting surface, it is described opening with it is described
Sealant is overlapping；And in said first direction, the opening and the ground connection solder joint are at least partly overlapping.
Second aspect, the embodiment of the present invention also provide a kind of display device, including show provided by above-mentioned first aspect
Panel.
Compared with prior art, display panel provided in an embodiment of the present invention and display device, what is overlapped with sealant
Opening being provided on planarization layer, and in a first direction, the ground connection solder joint of the opening and stepped region is at least partly overlapping,
For the sealant of fitting display panel first substrate and the second substrate can be embedded in the opening, even if using organic
The planarization layer of material production has adsorbed steam, also can be also difficult to enter corrosion by the separated by openings, steam and is fanned out to cabling,
It not will lead to and be deteriorated with being fanned out to the sealant that cabling directly contacts and leakproofness that is bad and making display panel sealant occur,
Even cause leakage crystalline substance phenomenon in the salt mist experiment of reliability test, so as to solve display floater frame increasingly
Under narrow trend, ground connection the distance between solder joint and the second substrate is too short and is not provided with the puzzlement of sealant, in other words, this hair
The technical solution of bright embodiment can more effectively support the development trend of narrow frame.
[Detailed description of the invention]
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this
For the those of ordinary skill of field, without creative efforts, it can also be obtained according to these attached drawings others
Attached drawing.
Fig. 1 is a kind of schematic top plan view of display panel provided in an embodiment of the present invention；
Fig. 2 is a kind of enlarged diagram of dotted line frame F in Fig. 1；
Fig. 3 is a kind of schematic cross-sectional view in Fig. 2 along the direction AA '；
Fig. 4 is another enlarged diagram of dotted line frame F in Fig. 1；
Fig. 5 is a kind of schematic cross-sectional view in Fig. 4 along the direction AA '；
Fig. 6 is that solder joint is grounded in Fig. 2 along a kind of diagrammatic cross-section of BB '；
Fig. 7 is the schematic top plan view of another display panel provided in an embodiment of the present invention；
Fig. 8 is the schematic top plan view of another display panel provided in an embodiment of the present invention；
Fig. 9 is a kind of enlarged diagram of dotted line frame F in Fig. 8；
Figure 10 is the schematic top plan view of another display panel provided in an embodiment of the present invention；
Figure 11 is a kind of enlarged diagram of dotted line frame F in Figure 10；
Figure 12 is a kind of schematic cross-sectional view in Figure 11 along the direction AA '；
Figure 13 is a kind of schematic top plan view of viewing area provided in an embodiment of the present invention；
Figure 14 is a kind of schematic top plan view of touch-control structure provided in an embodiment of the present invention；
Figure 15 is a kind of structural schematic diagram of display device provided in an embodiment of the present invention.
[specific embodiment]
For a better understanding of the technical solution of the present invention, being retouched in detail to the embodiment of the present invention with reference to the accompanying drawing
It states.
It will be appreciated that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Based on the embodiments of the present invention, institute obtained by those of ordinary skill in the art without making creative efforts
There are other embodiments, shall fall within the protection scope of the present invention.
The term used in embodiments of the present invention is only and to be not intended to limit merely for for the purpose of describing particular embodiments
The system present invention.The embodiment of the present invention and the "an" of singular used in the attached claims, " described " and
"the" is also intended to including most forms, unless the context clearly indicates other meaning.
It should be appreciated that term "and/or" used herein is only a kind of incidence relation for describing affiliated partner, table
Show there may be three kinds of relationships, for example, A and/or B, can indicate: individualism A exists simultaneously A and B, individualism B this
Three kinds of situations.In addition, character "/" herein, typicallys represent the relationship that forward-backward correlation object is a kind of "or".
It will be appreciated that though device may be described in embodiments of the present invention using term first, second etc., but this
A little devices should not necessarily be limited by these terms.These terms are only used to for device being distinguished from each other out.For example, of the invention real not departing from
In the case where applying a range, first device can also be referred to as second device, and similarly, second device can also be referred to as
One device.
As described in background technology part, nowadays the frame of display screen is more and more narrow, will affect the sealing matter of display screen
Amount, the especially airtight quality of display screen stepped region side.For the display screen of non-narrow frame, in order to enhance its blocking
The performance of steam needs to be coated with one layer of sealing between the ground connection solder joint of stepped region and viewing area；And increasingly with frame
Narrow, ground connection the distance between solder joint and the second substrate is too short, causes to be difficult to be coated with sealing in this region in technique, to make
Display screen stops the degradation of steam, steam, which is easily accessible display screen, causes part metals route to be corroded, and causes and quilt
There is leakproofness that is bad and making display panel sealant and is deteriorated in the sealant that cabling directly contacts that is fanned out to of corrosion, even
Cause leakage crystalline substance phenomenon in the salt mist experiment of reliability test, more aggravates to show bad problem.
In view of this, the embodiment of the present invention provides a kind of display panel, it is provided with viewing area and around the non-aobvious of viewing area
Show area, display panel includes the first substrate being oppositely arranged and the second substrate, and in a first direction, the length of first substrate is big
In the length of the second substrate, first substrate forms stepped region beyond the part of the second substrate, and non-display area includes the stepped region；
First substrate includes underlay substrate, and be arranged in underlay substrate close to the second substrate side ground connection solder joint, be fanned out to cabling and
Planarization layer, wherein ground connection solder joint is located at stepped region, is fanned out to cabling and is located between ground connection solder joint and viewing area；The second substrate packet
Include electrostatic screen layer；Display panel includes conductive connection part, and electrostatic screen layer is electrically connected by conductive connection part and ground connection solder joint
It connects；Display panel further includes that the sealant positioned at non-display area, first substrate and the second substrate are bonded by sealant, is being hung down
Directly on the direction of display panel light-emitting surface, sealant is overlapped with cabling is fanned out to, and in a first direction, at least partly envelope frame
Glue is between viewing area and stepped region；Planarization layer is provided with opening, on the direction perpendicular to display panel light-emitting surface,
Opening is overlapping with sealant；And in a first direction, opening and ground connection solder joint are at least partly overlapping.
It please refer to Fig. 1-Fig. 3, wherein Fig. 1 is a kind of vertical view signal of display panel provided in an embodiment of the present invention
Figure, Fig. 2 is a kind of enlarged diagram of dotted line frame in Fig. 1, and Fig. 3 is a kind of schematic cross-sectional view in Fig. 2 along the direction AA '.For just
In understanding, FIG. 1 to FIG. 3 merely illustrates the part-structure of display panel.The display panel is provided with viewing area AA and around display
The non-display area NA of area AA, display panel include the first substrate 100 being oppositely arranged and the second substrate 200, in a first direction x
On, the length of first substrate 100 is greater than the length of the second substrate 200, and first substrate 100 exceeds the part of the second substrate 200
Stepped region SA is formed, non-display area NA includes stepped region SA；First substrate 100 includes underlay substrate 110, and setting exists
Underlay substrate 110 close to 200 side of the second substrate ground connection solder joint 140, be fanned out to cabling 130 and planarization layer 120, wherein connect
Ground solder joint 140 is located at stepped region SA, is fanned out to cabling 130 and is located between ground connection solder joint 140 and viewing area AA；The second substrate 200 is wrapped
Include electrostatic screen layer 210；Display panel includes conductive connection part 400, and electrostatic screen layer 210 passes through conductive connection part 400 and connects
Ground solder joint 140 is electrically connected；Display panel further includes the sealant 300 positioned at non-display area NA, first substrate 100 and the second base
Plate 200 is bonded by sealant 300, on the direction z perpendicular to display panel light-emitting surface, sealant 300 and is fanned out to cabling
130 is overlapping, and in a first direction on x, at least partly sealant 300 is between viewing area AA and stepped region SA；Planarization layer
120 are provided with opening 121, and on the direction z perpendicular to display panel light-emitting surface, opening 121 is overlapping with sealant 300；And
On first direction x, opening 121 and ground connection solder joint 140 are at least partly overlapping.
It is understood that as shown in Figure 1, a plurality of cabling 130 that is fanned out to draws in stepped region SA and is connected to driving chip
500.In the prior art, display panel be fanned out to cabling be usually it is densely arranged, compared with prior art, the present invention implement
The display panel that example provides is provided with opening 121 on the planarization layer 120 overlapped with sealant 300, and in first party
To on x, the ground connection solder joint 140 of the opening 121 and stepped region SA are at least partly overlapping, for being bonded display panel first
The sealant 300 of substrate 100 and the second substrate 200 can be embedded in the opening 121, even if using the flat of organic material production
Smoothization layer 120 has adsorbed steam, can also separate by the opening 121, and steam is also difficult to enter corrosion and is fanned out to cabling 130,
It not will lead to and be fanned out to the sealant 300 that cabling 130 directly contacts and occur bad and make the close of display panel sealant 300
Envelope property is deteriorated, or even causes leakage crystalline substance phenomenon in the salt mist experiment of reliability test, so as to solve in display surface edges of boards
Under the more and more narrow trend of frame, it is too short and be not provided with the puzzlement of sealant to be grounded distance between solder joint 140 and viewing area AA, changes
Yan Zhi, the technical solution of the embodiment of the present invention can more effectively cater to the development trend of narrow frame.It should be noted that this
The sealant that place is said does not imply that sealant 300 above, sealant 300 are for being bonded first substrate 100 and second
Substrate 200 forms liquid crystal cell, and sealant is usually to be coated in stepped region, more effectively steam to be stopped to enter display surface
Intralamellar part.
It should also be noted that, electrostatic screen layer 210 is a kind of conductive layer, tin indium oxide (indium tin can be
Oxide, abbreviation ITO), it is also possible to tin-antiomony oxide (antimony tin oxide, abbreviation ATO), it is generally the case that electrostatic
The effect of shielded layer 210 is the electrostatic dredged on display panel, and shields outside electromagnetic interference.When display panel is using embedded
The design of formula touch-control, i.e., when touch-control structure is integrated in inside display panel, electrostatic screen layer 210 can use shield layer with high resistivity film, high resistant
Screened film will not mask touching signals while conduct static, resistance value range substantially 5 × 108Ω/sqr-10
× 109Ω/sqr.The shield layer with high resistivity film being commonly applied is tin-antiomony oxide.And conductive connection part 400 is usually silver paste, is led to
Some silver paste technique is crossed to be electrically connected electrostatic screen layer 210 and ground connection solder joint 140.Certainly, conductive connection part 400 also can use
Other suitable conductive material preparations, are not limited to silver paste.
Optionally, in the present embodiment, cabling 130 is fanned out to be a plurality of and is fanned out to cabling 130, opening 121 is located at a plurality of be fanned out to away
Between line 130, and on the direction z perpendicular to display panel light-emitting surface, opening 121 is not overlapped with cabling 130 is fanned out to.In general,
Part, which is fanned out to cabling 130, can be arranged in planarization layer 120 far from 110 side of underlay substrate.Since planarization layer 120 usually compares
It is thicker, therefore the difference in height that the region of opening 121 and the region of not set opening 121 is arranged is larger, if that will opening
121, which are fanned out to cabling 130 with these, overlaps, i.e., these a part for being fanned out to cabling 130 can be located in opening 121, then opening
The boundary of mouth 121, is fanned out to cabling 130 and climbs, and easily causes and is fanned out to the broken string of cabling 130, so that open circuit is caused,
Influence the normal display of display panel.And in the present embodiment, setting opening 121 is fanned out between cabling 130 positioned at a plurality of,
And do not overlapped with cabling 130 is fanned out to, it can be avoided phenomenon of climbing, prevent from being fanned out to cabling 130 and breaking phenomena occur, enhance
The reliability of display panel.
It is another enlarged diagram of dotted line frame in Fig. 1 referring next to Fig. 4, Fig. 4, Fig. 5 is in Fig. 4 along the side AA '
To a kind of schematic cross-sectional view.In conjunction with Fig. 1, Fig. 4 and Fig. 5, in present embodiment, with the display panel shown in Fig. 2 and Fig. 3
Something in common repeats no more, the difference is that, in Fig. 2 and display panel shown in Fig. 3, be fanned out to cabling 130 be respectively positioned on it is flat
Change side of the layer 120 far from underlay substrate 110, opening 121, which is located at, to be fanned out between cabling 130；And in present embodiment, it is fanned out to
Cabling 130 is fanned out to cabling 131 including first, and first, which is fanned out to cabling 131, is located at planarization layer 120 far from underlay substrate 110
Side, opening 121 are located at first and are fanned out to cabling 131 close to the side of stepped region SA, and being fanned out to cabling 130 can also include second
It is fanned out to cabling 132, second, which is fanned out to cabling 132, can be located at planarization layer 120 close to the side of underlay substrate 110.Due to first
It is fanned out to cabling 131 and is located at side of the planarization layer 120 far from underlay substrate 110, with planarization layer 120 close to underlay substrate 110
The surface of side directly contacts, and first is fanned out to surface of the cabling 131 far from 110 side of underlay substrate and sealant 300 directly
Contact, if planarization layer 120 absorbs steam, causes first to be fanned out to cabling 131 and is corroded, then being fanned out to away with first
Also easily there is bad problem in the sealant 300 that line 131 directly contacts, and display panel leakproofness is caused to be deteriorated, and steam is easily accessible
Corrode All other routes inside display panel, or even causes leakage crystalline substance phenomenon in the salt mist experiment of reliability test.Therefore,
In present embodiment, setting opening 121 is located at first and is fanned out to cabling 131 close to the side of stepped region SA, so that first is fanned out to away
Line 131 can not enhance the leakproofness of display panel by vapour corrosion.
It should be noted that second, which is fanned out to cabling 132, can be two-layer wiring in present embodiment, it is also possible to single layer
Wiring, is not especially limited this.
It should also be noted that, " being fanned out to cabling includes first being fanned out to cabling, and first is fanned out to cabling, and to be located at planarization layer remote
Side from underlay substrate, opening, which is located at, first is fanned out to side of the cabling close to stepped region " set-up mode be also applied for this hair
In bright others embodiment, this is repeated no more.
Then referring to FIG. 6, Fig. 6 is to be grounded solder joint in Fig. 2 along a kind of diagrammatic cross-section of BB '.In present embodiment,
On the direction z perpendicular to the display panel light-emitting surface, ground connection solder joint 140 includes setting gradually metal layer 141, planarization
Layer 120, passivation layer 142 and electrode layer 143, wherein electrode layer 143 is located at metal layer 141 close to the side of the second substrate 200,
Electrode layer 143 is by the first via hole 1421 through passivation layer 142 and through the second via hole 122 and metal of planarization layer 120
Layer 141 is electrically connected.In general, the area of the second via hole 122 is greater than the area of the first via hole 1421, the first via hole 1421 is being shown
Orthographic projection on panel is fallen into the orthographic projection of the second via hole 122 on a display panel.Ground connection solder joint 140 can pass through metal layer
141 lead to the binding area of display panel, pass through pad and the flexible printed circuit board (Flexible for being tied to binding area
Printed Circuit, abbreviation FPC) ground line electrical connection, be used for release electrostatic.Certainly, the setting of this ground connection solder joint
Mode is also applied in other embodiments of the invention, is repeated no more to this.
In above embodiment, display panel, display panel viewing area be rule rectangle.The present invention other
In optional some embodiments, display panel, display panel viewing area may be set to be abnormity.For example, viewing area
Quadrangle can be set to arc-shaped, and the quadrangle of display panel may be set to be arc-shaped.For the display panel of abnormity, side
Frame needs further compression, and embodiments of the present invention are more advantageous to the compression of special-shaped display floater frame, to promote its screen
Accounting.Specifically, referring to FIG. 7, Fig. 7 is the schematic top plan view of another display panel provided in an embodiment of the present invention.This reality
It applies in mode, is repeated no more with the something in common of display panel shown in fig. 1, the difference is that, viewing area AA includes extremely
A few abnormity corner L (it includes four abnormity corner L that viewing area AA is schematically illustrated in Fig. 7), special-shaped corner L is non-
Right angle, as arc-shaped in Fig. 7, special-shaped corner L is arranged at viewing area AA on the side of stepped region SA, i.e. in Fig. 7
Closer to two abnormity corner L of stepped region SA.Correspondingly, the quadrangle of display panel may be set to be on-right angle, sealant
300 can also be coated into on-right angle.
Next embodiment will be also illustrated so that viewing area AA includes four arc-shaped special-shaped corner L as an example.
Please refer to Fig. 8 and Fig. 9, wherein Fig. 8 is the vertical view signal of another display panel provided in an embodiment of the present invention
Figure, Fig. 9 is a kind of enlarged diagram of dotted line frame in Fig. 8.In the present embodiment mode, with Fig. 1 and Fig. 2 shows display panel
Something in common repeat no more, the difference is that, opening 121, which is located at, is fanned out to side of the cabling 130 far from viewing area AA, the
One substrate 100 further includes that underlay substrate 110 is arranged in close to the alignment mark 150 of 200 side of the second substrate, alignment mark 150
Positioned at stepped region SA, on second direction y, ground connection solder joint 140 is located at alignment mark 150 and close to the alignment mark 150
Between the edge of stepped region SA, wherein second direction y is vertically arranged with first direction x.
The manufacturing process of display panel all includes multiple lithographic process and inspection process, and is executing lithographic process
And before some inspection process, it is necessary to make display panel contraposition to correct position, first to guarantee the standard of exposure or detection
True property, and alignment mark 150 is the alignment operation for supporting display panel.
In present embodiment, opening 121 is moved to the outside for being fanned out to cabling 130, so that being fanned out to cabling 130 still can picture
It is densely arranged in the prior art, it is easier to make in technique.Meanwhile ground connection solder joint 140 is correspondingly moved into register guide
The outside of note 150, so that opening 121 can be overlapped at least partly with ground connection solder joint 141, thus really in a first direction on x
Protect the performance that display panel stops steam.
Further, in the present embodiment, on second direction y, solder joint 140 is grounded close to the stepped region edge SA
The setting of the one lateral edge stepped region edge SA.For special-shaped display panel, the close stepped region edge SA with ground connection solder joint 140
It is usually special-shaped, as be in Fig. 7 it is arc-shaped, in this case, in order to guarantee that the area for being grounded solder joint 140 does not influence conduction
Interconnecting piece 400 exports the ability of electrostatic, a lateral edge stepped region SA edge of the setting ground connection solder joint 140 close to the stepped region edge SA
Setting, so that conductive connection part 400 and ground connection solder joint 140 have enough contacts area.
It should be noted that as shown in figure 8, opening 121 can be directly and on the outside of display panel in present embodiment
Circular opening is linked together, and is equivalent to the opening 121 that a part of the circular opening is multiplexed with to present embodiment.The ring-type
Opening is similarly positioned in planarization layer, removes around viewing area AA close to the side of the side stepped region SA, and positioned at non-display area NA's
Side of the metallic circuit far from viewing area AA, on the direction z perpendicular to display panel light-emitting surface, circular opening and sealant
300 is overlapping, similar with the effect of opening of the invention, and for stopping steam.It should also be noted that, the ring-type is opened
Mouth is also applied in other embodiments of the invention, is repeated no more to this.
Then Figure 10-Figure 12 is please referred to, wherein Figure 10 is bowing for another display panel provided in an embodiment of the present invention
Depending on schematic diagram, Figure 11 is a kind of enlarged diagram of dotted line frame in Figure 10, and Figure 12 is a kind of section view in Figure 11 along the direction AA '
Schematic diagram.In present embodiment, repeated no more with the something in common of the display panel shown in Fig. 1-Fig. 3, the difference is that,
It is elongated to be grounded solder joint 140, y extends the strip in a second direction, wherein second direction y is vertical with first direction x to be set
It sets；In a first direction on x, edge 140L of the solder joint 140 far from the viewing area side AA is grounded along stepped region SA far from viewing area
The edge SAL of the side AA is arranged.
Present embodiment, which is equivalent to, is arranged to strip and the past side movement far from viewing area AA ground connection solder joint 140,
This setup can increase ground connection the distance between solder joint 140 and the second substrate 200.Therefore, further, this implementation
Display panel in mode can also include sealant 600, on the direction z perpendicular to display panel light-emitting surface, sealant
Region between 600 covering ground connection solder joints 140 and the second substrate 200, it is possible thereby to which further enhancing display panel stops
The performance of steam.
It is understood that the quantity for being fanned out to cabling 130 is exemplary, the present invention couple in the respective embodiments described above
Quantity is not specifically limited, and in actual product, the quantity for being fanned out to cabling 130 can be more, and details are not described herein again.
In the respective embodiments described above, first substrate 100 can be array substrate, first substrate 100 and the second substrate 200
Between liquid crystal layer can be set.Figure 13 is please referred to, Figure 13 is a kind of vertical view signal of viewing area provided in an embodiment of the present invention
Figure.In viewing area, first substrate 100 includes multi-strip scanning line g and multiple data lines d, multi-strip scanning line g y in a second direction
Extend and arrange along first direction x, multiple data lines d extends along first direction x and y arranges in a second direction, multi-strip scanning line
G and multiple data lines d insulation, which intersects, limits multiple sub-pixels；Sub-pixel further includes the pixel electricity on first substrate 100
Pole p, public electrode (being not shown in Figure 13) and thin film transistor (TFT) T.When display panel is shown, in the control of corresponding scan line g
Under, the corresponding data line d of the source electrode of thin film transistor (TFT) T is filled by thin film transistor (TFT) T to the corresponding pixel electrode p implementation that drains
Electric discharge forms parallel electric field driving liquid crystal rotation to realize display function between pixel electrode p and public electrode.Data line d is logical
The part crossed in the respective embodiments described above is fanned out to cabling and is electrically connected with driving chip (being not shown in Figure 13), i.e., driving chip is logical
It crosses and is fanned out to cabling display data signal is transmitted to each data line d.
Further, in one embodiment, display panel can also include the touch-control being integrated in inside display panel
Structure.Specifically please referring to such as Figure 14, Figure 14 is a kind of schematic top plan view of touch-control structure provided in an embodiment of the present invention.Touch-control
Structure may include in multiple touch control electrode TP of m * n matrix arrangement, and wherein m and n is integer greater than 1 (with m=in figure
For 4, n=3)；Multiple touch control electrode TP are multiplexed with the public electrode in display panel for display in the display stage, are touching
The control stage carries out touch control detection by self-capacitance.Specifically, each touch control electrode TP connects at least one touch control electrode cabling l
(one is exemplarily illustrated in Figure 13), touch control electrode TP and touch control electrode cabling l can be realized by via hole H and be electrically connected.
Touch control electrode cabling l leads to non-display area, and is fanned out to cabling and driving chip by the part in the respective embodiments described above
(being not shown in Figure 14) electrical connection, driving chip are used to provide touch scanning signals for touch control electrode TP, and according to touch control electrode
The touch control detection signal of output carries out touch control detection.Certainly, touch-control structure of the invention is not limited to this, and is also possible to other
Structure, details are not described herein again.
Based on the same inventive concept, the embodiment of the invention also provides a kind of display device, Figure 15 is the embodiment of the present invention
A kind of structural schematic diagram of the display device provided, with reference to Figure 15, which includes what any embodiment of that present invention provided
Display panel 700, can also including backlight module etc. structures (not showed that in figure), details are not described herein again.Present embodiment
In, which is mobile phone, in other of the invention optional embodiments, the display device can also be tablet computer,
The equipment that notebook, display etc. arbitrarily have display function.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent substitution, improvement and etc. done be should be included within the scope of the present invention.
Claims (10)
1. a kind of display panel is provided with viewing area and the non-display area around the viewing area, which is characterized in that
The display panel includes the first substrate being oppositely arranged and the second substrate, in a first direction, the first substrate
Length is greater than the length of the second substrate, and the first substrate forms stepped region beyond the part of the second substrate, described
Non-display area includes the stepped region；
The first substrate includes underlay substrate, and the underlay substrate is arranged in close to the ground connection of the second substrate side
Solder joint, first are fanned out to cabling and planarization layer, wherein the ground connection solder joint is located at the stepped region, and the cabling that is fanned out to is located at
Between the ground connection solder joint and the viewing area；
The second substrate includes electrostatic screen layer；
The display panel includes conductive connection part, and the electrostatic screen layer passes through the conductive connection part and the ground connection solder joint
Electrical connection；
The display panel further includes the sealant positioned at the non-display area, and the first substrate and the second substrate pass through
The sealant fitting, on the direction perpendicular to the display panel light-emitting surface, the sealant and the cabling that is fanned out to are handed over
It is folded, and in said first direction, at least partly described sealant is between the viewing area and the stepped region；
The planarization layer is provided with opening, on the direction perpendicular to the display panel light-emitting surface, it is described opening with it is described
Sealant is overlapping；And in said first direction, the opening and the ground connection solder joint are at least partly overlapping.
2. display panel according to claim 1, which is characterized in that it is described be fanned out to cabling be it is a plurality of be fanned out to cabling, it is described
Opening be located at it is described it is a plurality of be fanned out between cabling, and on the direction perpendicular to the display panel light-emitting surface, the opening with
The cabling that is fanned out to does not overlap.
3. display panel according to claim 1, which is characterized in that the opening is located at the cabling that is fanned out to far from described
The side of viewing area, the first substrate further include that the underlay substrate is arranged in close to the register guide of the second substrate side
Note, the alignment mark is located at the stepped region, and in a second direction, the ground connection solder joint is located at the alignment mark and close
Between the edge of the stepped region of the alignment mark, wherein the second direction is vertically arranged with the first direction.
4. display panel according to claim 3, which is characterized in that in this second direction, the ground connection solder joint leans on
Step area edge setting described in one lateral edge of the nearly step area edge.
5. display panel according to claim 1, which is characterized in that the ground connection solder joint is elongated, the strip
Extend in a second direction, wherein the second direction is vertically arranged with the first direction；
In said first direction, the ground connection edge of the solder joint far from the viewing area side is along the stepped region far from described
The edge of viewing area side is arranged.
6. display panel according to claim 5, which is characterized in that the display panel further includes sealant, vertical
In on the direction of the display panel light-emitting surface, the sealant covers the area between the ground connection solder joint and the second substrate
Domain.
7. display panel according to claim 1, which is characterized in that the viewing area includes at least one special-shaped corner,
The abnormity corner is on-right angle, and the abnormity corner is arranged at the viewing area on the side of the stepped region.
8. display panel according to claim 1, which is characterized in that in the direction perpendicular to the display panel light-emitting surface
On, the ground connection solder joint includes setting gradually metal layer, the planarization layer, passivation layer and electrode layer, wherein the electrode layer
Positioned at the metal layer close to the side of the second substrate, the electrode layer by the first via hole through the passivation layer and
Second via hole of the planarization layer is electrically connected with the metal layer.
9. display panel according to claim 1, which is characterized in that the cabling that is fanned out to includes first being fanned out to cabling, institute
It states first and is fanned out to cabling and be located at side of the planarization layer far from the underlay substrate, the opening is located at described first and is fanned out to
Side of the cabling close to the stepped region.
10. a kind of display device, which is characterized in that including display panel as claimed in any one of claims 1-9 wherein.
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| CN201910338588.4A CN110032007B (en) | 2019-04-25 | 2019-04-25 | Display panel and display device |
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| CN201910338588.4A CN110032007B (en) | 2019-04-25 | 2019-04-25 | Display panel and display device |
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| CN110032007B CN110032007B (en) | 2022-05-13 |
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