CN109116612A - Display panel and display device - Google Patents
Display panel and display device Download PDFInfo
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- CN109116612A CN109116612A CN201811156854.3A CN201811156854A CN109116612A CN 109116612 A CN109116612 A CN 109116612A CN 201811156854 A CN201811156854 A CN 201811156854A CN 109116612 A CN109116612 A CN 109116612A
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- Prior art keywords
- laser
- substrate
- display panel
- signal lead
- orthographic projection
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/133351—Manufacturing of individual cells out of a plurality of cells, e.g. by dicing
Abstract
The invention discloses a kind of display panel and display devices, are related to field of display technology, have step cabling area, display panel includes: the array substrate being oppositely arranged and color membrane substrates；Array substrate includes the first substrate and signal lead of first substrate towards color membrane substrates side is arranged in, and signal lead is at least partially disposed at step cabling area；Color membrane substrates include the second substrate, are provided with laser cut-off station in the second substrate, laser cut-off station is located in step cabling area limited range in the orthographic projection of plane where the first substrate；Laser barrier layer, positioned at non-display area, it is arranged between signal lead and the second substrate, laser barrier layer is being at least partially disposed at laser cut-off station in the orthographic projection of plane where the second substrate, and laser barrier layer at least covers the part that orthographic projection in signal lead is located at laser cut-off station in the orthographic projection of plane where the first substrate.It avoids damaging signal lead in laser cutting process by being introduced into laser barrier layer.
Description
Technical field
The present invention relates to field of display technology, more particularly, to a kind of display panel and display device.
Background technique
In recent years, requirement to the flexibility of liquid crystal display device is continuously improved, in order to this corresponding, as flexible parent metal
The exploitation of plastic base also achieve progress.Usually used in the manufacture of existing liquid crystal display device is Multilevel method
Mode, that is, use glass as substrate, a motherboard (large-scale substrate) formed into array substrate and color membrane substrates above, will be color
Ilm substrate and array substrate fitting, form the motherboard with array substrate and color membrane substrates.
In the manufacturing process of existing display panel, usually the motherboard of monolith is cut to obtain the display for being suitble to size
Panel, wherein laser cutting is common mode.But during laser cutting, since the energy density of laser is high,
So that cutting position generates biggish thermal stress.Due in array substrate have a lot of signal leads, to array
During the color membrane substrates that substrate is oppositely arranged are cut, the thermal stress generated at laser cutting position is very likely spread
The corresponding region of signal lead on to array substrate, signal lead are very likely blown under the action of laser energy, thus
The problem of causing display panel appearance display bad or can not showing.
Summary of the invention
In view of this, introducing laser barrier layer the present invention provides a kind of display panel and display device, effectively avoiding
Laser energy spreads to region corresponding to signal lead in laser cutting process, therefore substantially reduces laser cutting process
The possibility that middle signal lead is blown, to be conducive to be promoted the display unfailing performance of display panel and display device.
In a first aspect, the application provides a kind of display panel, there is viewing area and the non-display area around the viewing area,
The non-display area includes positioned at the step cabling area of the viewing area side, and the display panel includes:
The array substrate and color membrane substrates being oppositely arranged；The array substrate includes the first substrate and setting described the
For one substrate towards the signal lead of the color membrane substrates side, the signal lead is at least partially disposed at the step cabling
Area；The color membrane substrates include the second substrate, are provided with laser cut-off station in second substrate, the laser cut-off station is in institute
The orthographic projection of plane is located in step cabling area limited range where stating the first substrate；
Laser barrier layer is located at the non-display area, is arranged between the signal lead and second substrate, described
Laser barrier layer is being at least partially disposed at the laser cut-off station in the orthographic projection of plane where second substrate, and described
Laser barrier layer the orthographic projection of plane where first substrate at least cover in the signal lead orthographic projection be located at it is described
The part of laser cut-off station.
Second aspect, the application provide a kind of display device, including display panel, which is provided herein
Display panel.
Compared with prior art, display panel provided by the invention and display device at least realize following beneficial effect
Fruit:
In display panel and display device provided herein, laser is provided in the second substrate of color membrane substrates and is cut
Area is cut, and laser barrier layer is set between the signal lead and the second substrate in array substrate, in particular, the laser barrier layer
The part that orthographic projection in signal lead is located at laser cut-off station is at least covered in the orthographic projection of plane where the first substrate, to
When two substrates are cut by laser, due to the protective effect on laser barrier layer, effectively prevent laser energy and spread to orthographic projection
Positioned at the signal lead of laser cut-off station, therefore substantially reduces the signal lead in laser cutting process in array substrate and burnt
Disconnected possibility, to be conducive to be promoted the display unfailing performance of display panel and display device.
Certainly, implementing any of the products of the present invention specific needs while must not reach all the above technical effect.
By referring to the drawings to the detailed description of exemplary embodiment of the present invention, other feature of the invention and its
Advantage will become apparent.
Detailed description of the invention
It is combined in the description and the attached drawing for constituting part of specification shows the embodiment of the present invention, and even
With its explanation together principle for explaining the present invention.
Fig. 1 show a kind of top view of display panel provided by the embodiment of the present application；
Fig. 2 show another top view of display panel provided by the embodiment of the present application；
Fig. 3 show a kind of sectional view of display panel provided by the embodiment of the present application；
Fig. 4 show a kind of top view of the motherboard comprising multiple array substrates and color membrane substrates before laser cutting；
Fig. 5 show a kind of top view after laser cutting on the basis of the embodiment shown in fig. 4；
Fig. 6 show one of laser cutting process structural representation in display panel provided by the embodiment of the present application
Figure；
It is opposite that Fig. 7 show one kind of laser barrier layer and signal lead in display panel provided by the embodiment of the present application
Location diagram；
It is opposite that Fig. 8 show one kind of laser barrier layer and signal lead in display panel provided by the embodiment of the present application
Location diagram；
Fig. 9 show another sectional view of display panel provided by the embodiment of the present application；
Figure 10 show a kind of schematic diagram that metal barrier provided by the embodiment of the present application is electrically connected with signal lead；
Figure 11 show a kind of relative position relation figure of the via hole on laser cutting path and metal barrier；
Figure 12 show another relative position relation figure of the via hole on laser cutting path and metal barrier；
Figure 13 show a kind of relative positional relationship of signal lead and reflective metal layer provided by the embodiment of the present application
Figure；
It closes another relative position that Figure 14 show signal lead and reflective metal layer provided by the embodiment of the present application
System's figure；
Figure 15 show another structural plane figure of display panel provided by the embodiment of the present application；
Figure 16 show a kind of sectional view of array substrate provided by the embodiment of the present application；
Figure 17 show a kind of structural schematic diagram of display device provided by the embodiment of the present application.
Specific embodiment
Carry out the various exemplary embodiments of detailed description of the present invention now with reference to attached drawing.It should also be noted that unless in addition having
Body explanation, the unlimited system of component and the positioned opposite of step, numerical expression and the numerical value otherwise illustrated in these embodiments is originally
The range of invention.
Be to the description only actually of at least one exemplary embodiment below it is illustrative, never as to the present invention
And its application or any restrictions used.
Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitable
In the case of, the technology, method and apparatus should be considered as part of specification.
It is shown here and discuss all examples in, any occurrence should be construed as merely illustratively, without
It is as limitation.Therefore, other examples of exemplary embodiment can have different values.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, then in subsequent attached drawing does not need that it is further discussed.
In the manufacturing process of existing display panel, usually the motherboard of monolith is cut to obtain the display for being suitble to size
Panel, wherein laser cutting is common mode.But during laser cutting, since the energy density of laser is high,
So that cutting position generates biggish thermal stress.Due in array substrate have a lot of signal leads, to array
During the color membrane substrates that substrate is oppositely arranged are cut, the thermal stress generated at laser cutting position is very likely spread
The corresponding region of signal lead on to array substrate, signal lead are very likely blown under the action of laser energy, thus
The problem of causing display panel appearance display bad or can not showing.
In view of this, being set in the second substrate of color membrane substrates the present invention provides a kind of display panel and display device
Be equipped with laser cut-off station, and between the signal lead and the second substrate in array substrate be arranged laser barrier layer, the laser
Barrier layer at least covers the part that orthographic projection in signal lead is located at laser cut-off station in the orthographic projection of plane where the first substrate,
When being cut by laser to the second substrate, due to the protective effect on laser barrier layer, effectively prevents laser energy and spread to
Region corresponding to signal lead, therefore the possibility that signal lead in laser cutting process is blown is substantially reduced, to have
Conducive to the display unfailing performance for promoting display panel and display device.
It is described in detail below in conjunction with the drawings and specific embodiments.
Fig. 1 show a kind of top view of display panel provided by the embodiment of the present application, and Fig. 2 show the application implementation
Another top view of display panel provided by example, Fig. 3 show one kind of display panel provided by the embodiment of the present application
Sectional view, in conjunction with Fig. 1-Fig. 3, the embodiment of the present application provides a kind of display panel 100, has viewing area 11 and surrounds viewing area 11
Non-display area 12, non-display area 12 includes the step cabling area 121 positioned at 11 side of viewing area, and display panel 100 includes:
The array substrate 10 and color membrane substrates 20 being oppositely arranged；Array substrate 10 includes the first substrate 13 and setting the
For one substrate 13 towards the signal lead 31 of 20 side of color membrane substrates, signal lead 31 is at least partially disposed at step cabling area 121；
Color membrane substrates 20 include the second substrate 22, are provided with laser cut-off station 21 in the second substrate 22, laser cut-off station 21 is in the first base
The orthographic projection of 13 place plane of bottom is located in 121 limited range of step cabling area；
Laser barrier layer 40 is located at non-display area 12, is arranged between signal lead 31 and the second substrate 22, and laser stops
Layer 40 is at least partially disposed at laser cut-off station 21 in the orthographic projection of 22 place plane of the second substrate, and laser barrier layer 40 exists
The orthographic projection of first substrate, 13 place plane at least covers the part 32 that orthographic projection in signal lead 31 is located at laser cut-off station 21.
It should be noted that laser barrier layer 40 is not shown in embodiment illustrated in fig. 1, embodiment illustrated in fig. 2 is shown in Fig. 1
Laser barrier layer 40 is introduced on the basis of embodiment, embodiment illustrated in fig. 3 is one of display panel 100 after completing laser cutting
Kind sectional view.In addition, Fig. 3 is only to array substrate 10, color membrane substrates 20, signal lead 31 and the opposite position on laser barrier layer 40
The relationship of setting is illustrated, and practical film layer structure is not represented.
Fig. 4 show a kind of top view of the motherboard comprising multiple array substrates 10 and color membrane substrates 20 before laser cutting,
Fig. 5 show a kind of top view after laser cutting on the basis of the embodiment shown in fig. 4, swashs mentioned by the embodiment of the present application
Pair light cutting is mainly illustrated by taking the laser cutting process from embodiment illustrated in fig. 4 to embodiment illustrated in fig. 5 as an example, i.e.,
Region corresponding with step cabling area 121 is cut by laser on color membrane substrates 20.The process of laser cutting is needed color film base
It is cut part in cover board 70 and color membrane substrates of the plate 20 far from 10 side of array substrate positioned at laser cut-off station 21.When
When forming display panel 100 shown in FIG. 1 on the basis of embodiment illustrated in fig. 5, also need further to be cut by laser.
Specifically ,-Fig. 3 and Fig. 6, Fig. 6 show display panel 100 provided by the embodiment of the present application referring to Figure 1
One of middle laser cutting process structural schematic diagram, the non-display area on display panel 100 provided by the embodiment of the present application
12 are provided with step cabling area 121, and step cabling area 121 includes a plurality of signal lead 31, and usual viewing area 11 is by being located at platform
The signal lead 31 in rank cabling area 121 shows required signal to obtain.Fig. 3 and Fig. 6 are referred to, display panel 100 includes phase
To the array substrate 10 and color membrane substrates 20 of setting, above-mentioned signal lead 31 is generally arranged at the first substrate 13 in array substrate 10
Towards the side of color membrane substrates 20, cut in side of the signal lead 31 far from the first substrate 13 and with the laser on color membrane substrates 20
It cuts the corresponding position in area 21 and is provided with laser barrier layer 40, can be seen that the laser barrier layer 40 is set from Fig. 2 and embodiment illustrated in fig. 6
It sets in laser cut-off station 21, and is located at side of the signal lead 31 far from the first substrate 13, laser will be located in signal lead 31
The partial occlusion of cutting area 21, in this way, in laser cutting process, it, can be by laser energy due to the introducing on laser barrier layer 40
Amount is blocked, and prevents laser energy from spreading to corresponding 31 part of signal lead of laser cut-off station 21, therefore substantially reduce
The possibility that signal lead 31 is blown in laser cutting process is conducive to reduction and shows since signal lead 31 is blown
Undesirable possibility, to be conducive to be promoted the display unfailing performance of display panel 100.
Optionally, Fig. 7 show laser barrier layer 40 and signal in display panel 100 provided by the embodiment of the present application and walks
A kind of relative position relation figure of line 31, refers to Fig. 7, and in display panel 100 provided by the embodiment of the present application, laser stops
Layer 40 includes multiple laser obstruction structures 49, and each laser obstruction structure 49 is at least covered in the orthographic projection of 13 place plane of the first substrate
Orthographic projection is located at the part 32 of laser cut-off station 21 in one bars cabling 31 of lid.
Specifically, in embodiment illustrated in fig. 7, laser obstruction structure 49 and the signal lead 31 being located in laser cut-off station 21
It is arranged in a one-to-one correspondence, the part that each signal lead 31 is located at laser cut-off station 21 is correspondingly arranged a laser obstruction structure
49, in this manner, the part 32 that orthographic projection is located at laser cut-off station 21 in each signal lead 31 is protected, and is swashed
Laser energy in light cutting process receives the barrier effect on laser barrier layer 40, is difficult to spread to 31 institute of signal lead in place
It sets, therefore substantially reduces the possibility that signal lead 31 is blown in laser cutting process, be conducive to reduce due to signal lead
31 are blown and occur showing undesirable possibility, to be conducive to be promoted the display unfailing performance of display panel 100.
Optionally, continuing with referring to Fig. 7, laser obstruction structure 49 is at the edge of the orthographic projection of 13 place plane of the first substrate
Including first edge 491 identical with the extending direction of signal lead 31, first edge 491 and corresponding with laser obstruction structure 49
Signal lead 31 edge between minimum range be D1, D1 >=1.5 μm.Specifically, by the first of laser obstruction structure 49
When minimum range between edge 491 and the edge of signal lead 31 is designed as D1 >=1.5 μm, it can be ensured that laser obstruction structure
Orthographic projection in signal lead 31 is located at the part in laser cut-off station 21 by 49 to be completely covered, during laser cutting, i.e.,
Laser energy is set to have certain radiation to periphery, laser obstruction structure 49 can also hinder the laser energy of this partial radiation
Gear, so that the laser energy for being conducive to further decrease in laser cutting process impacts signal lead 31, thus it is advantageous
In the display performance for further promoting display panel 100.
In addition, continuing with referring to Fig. 7, the orthographic projection of plane where first substrate of laser obstruction structure 49 further includes and believes
The vertical third edge 493 of the extending direction of number cabling 31, third edge 493 are located at 21 outside of laser cut-off station, and third side
Minimum range between edge 493 and the edge of laser cut-off station 21 is D0, and D0 >=1.5 μm, being designed in this way can ensure that laser hinders
Orthographic projection in signal lead 31 is located at the part in laser cut-off station 21 and is completely covered by gear structure 49, in the process of laser cutting
In, even if laser energy has certain radiation to periphery, laser obstruction structure 49 can also be to the laser energy of this partial radiation
Stopped, so that the laser energy for being equally beneficial for further decreasing in laser cutting process causes shadow to signal lead 31
It rings, thus is equally beneficial for further promoting the display performance of display panel 100.
Optionally, Fig. 8 show laser barrier layer 40 and signal in display panel 100 provided by the embodiment of the present application and walks
A kind of relative position relation figure of line 31, refers to Fig. 8, and laser barrier layer 40 includes a laser obstruction structure 49, laser resistance
Gear structure 49 covers orthographic projection in each signal lead 31 in the orthographic projection of 13 place plane of the first substrate and is located at laser cut-off station 21
Part 32.
Specifically, use a laser obstruction structure 49 by orthographic projection position in each signal lead 31 in embodiment illustrated in fig. 8
In all coverings of the part of laser cut-off station 21 32, swashing for one monolith of production is only needed in the preparation process of display panel 100
Blockage structures 49, production process is simple, is conducive to the production efficiency for improving display panel 100.
Optionally, continuing with referring to Fig. 8, laser obstruction structure 49 is at the edge of the orthographic projection of 13 place plane of the first substrate
Including second edge identical with the extending direction of signal lead 31, second edge and signal corresponding with laser obstruction structure 49
Minimum range between the edge of cabling 31 is D2, D2 >=1.5 μm.Specifically, by the second edge of laser obstruction structure 49 with
When minimum range between the edge of signal lead 31 is designed as D2 >=1.5 μm, it can be ensured that laser obstruction structure 49 is by signal
The part that orthographic projection is located in laser cut-off station 21 in cabling 31 is completely covered, during laser cutting, even if laser energy
Measuring has certain radiation to periphery, and laser obstruction structure 49 can also stop the laser energy of this partial radiation, thus
Be conducive to further decrease the laser energy in laser cutting process to impact signal lead 31, thus be conducive to further
Promote the display performance of display panel 100.
Optionally, in display panel 100 provided by the embodiment of the present application, laser barrier layer 40 includes metal barrier
47, metal barrier 47 is located at the side close to the second substrate 22 of the first substrate 13, Fig. 3 is referred to, or, metal barrier 47
Positioned at the side close to the first substrate 13 of the second substrate 22, Fig. 9 is referred to, Fig. 9 is shown provided by the embodiment of the present application
Another sectional view of display panel 100.
Specifically, the laser barrier layer 40 provided by the embodiment of the present application includes metal barrier 47, that is, uses metal
The barrier layer that material is formed, the barrier layer of metal material can effectively stop laser energy to spread to signal lead 31, thus have
Lead to the undesirable possibility of display of the fracture of signal lead 31 and appearance conducive to laser energy is reduced, and then is conducive to promote display surface
The display performance of plate 100.It should be noted that the position on laser barrier layer 40 provided by the embodiment of the present application may be provided at as
Close to the side of the second substrate 22 in first substrate 13 shown in Fig. 2, or it is arranged in the second substrate 22 as shown in Figure 9 and leans on
The side of nearly first substrate 13, as long as being located at the corresponding position of laser cut-off station 21, the application is to this without specifically limiting
It is fixed.It should be noted that embodiment illustrated in fig. 9 is a kind of structural schematic diagram when being not yet cut by laser.When using metal
When material forms laser barrier layer 40, the preferable metal of the reflecting properties such as aluminium, molybdenum, silver, gold is can be used in metal material.
Optionally, Fig. 3 is referred to, in display panel 100 provided by the embodiment of the present application, the thickness of metal barrier 47
For D3,It is set as when by the thickness of metal barrier 47When, it can
Preferable barrier effect is played to laser energy, in addition, setting the thickness of metal barrier 47 toWhen,
The minimum range between color membrane substrates 20 and array substrate 10 is not exceeded, because without the normal configuration to display panel 100
It impacts.
Optionally, Fig. 3 is referred to, when metal barrier 47 is located at the side close to the second substrate 22 of the first substrate 13
When, metal barrier 47 receives fixed voltage signal.
Specifically, due to being usually provided with many line constructions in the first substrate 13, when leaning in the first substrate 13
When metal barrier 47 is arranged in the side of nearly second substrate 22, metal barrier 47 may generate suspension signal, suspension signal
The display performance of display panel 100 may be impacted.And the application is by the metal barrier 47 and fixed voltage signal end
Electrical connection is conducive to the generation for avoiding suspension signal, to be conducive to keep away when metal barrier 47 being made to receive fixed voltage signal
The presence for exempting from suspension signal impacts the display performance of display panel 100.
Optionally, Figure 10 show what metal barrier 47 provided by the embodiment of the present application was electrically connected with signal lead 31
A kind of schematic diagram, referring to Figure 10, when metal barrier 47 is located at the side of close second substrate 22 of the first substrate 13, metal
Barrier layer 47 is electrically connected by least two via holes and corresponding signal lead 31.
Specifically, usually it can apply constant voltage signal in same signal lead 31, the embodiment of the present application is provided
Display panel 100 in, metal barrier 47 is electrically connected by via hole 41 and 42 with signal lead 31, signal lead 31 is passed through
Constant voltage signal can be provided for metal barrier 47, to be conducive to avoid the generation of suspension signal, and then be conducive to
The presence of suspension signal is avoided to impact the display performance of display panel 100.
Optionally, it closes a kind of relative position that Figure 11 show the via hole on laser cutting path 91 and metal barrier 47
System's figure, referring to Figure 11, laser cut-off station 21 includes laser cutting path 91, and two via holes 41 and 42 are located at laser cutting
The two sides of orthographic projection of the path 91 on metal barrier 47, and be located on metal barrier 47 and exist far from laser cutting path 91
The region of the orthographic projection of metal barrier 47.
Specifically, 0 and Figure 11 referring to Figure 1, in display panel 100 provided by the embodiment of the present application, by metal barrier
The two sides in laser cutting path 91 are arranged in the via hole 41 and 42 that signal lead 31 is electrically connected for layer 47, and cut far from laser
The setting of path 91 is cut, in this way, via hole 41 and 42 is arranged far from the position of laser accumulation during laser cutting, is had
The possibility that via hole 41 and 42 is burnt to laser during conducive to laser cutting is reduced, in addition, the setting of via hole 41 and 42 is existed
The two sides in path 91 are cut by laser, even if metal barrier 47 is being cut by laser corresponding to path 91 during laser cutting
Position also can guarantee that two parts in cut-off metal barrier 47 can pass through via hole and signal lead by laser cutting
31 electrical connections, i.e., it is identical as 31 current potential of signal lead, thus the generation of suspension signal is effectively prevented, therefore be more conducive to
Promote the display performance of display panel 100.
It should be noted that the situation that Figure 10 and Figure 11 are only arranged in a one-to-one correspondence metal barrier 47 and signal lead 31
It is illustrated, when metal barrier 47 is an en-block construction, can be respectively set in the two sides on block of metal barrier layer 47
Hole 41 and 42 is electrically connected with the signal lead 31 for being located at left and right ends, such as 2, Figure 12 show laser cutting road referring to Figure 1
Another relative position relation figure of via hole on diameter 91 and metal barrier 47 introduces 2 via hole (via holes in the embodiment
43 and 44), the region that the both ends and signal lead 31 for being located at metal barrier 47 overlap, and two via holes be located at it is sharp
The two sides of light cutting path 91 so equally can provide fixed voltage signal for metal barrier 47, equally can effectively prevent
The only generation of suspension signal is equally beneficial for promoting the display performance of display panel 100.It should be noted that of the invention
In some other embodiment, block of metal barrier layer can also be electrically connected with other signal leads, such as: common electrode signal
Line, driving circuit signal lead etc. connect when with direct current signal or the lower cabling of signal intensity frequency, can prevent in this way
The signal fluctuation of metal barrier influences the signal stabilization of signal lead connected to it.
Optionally, in display panel 100 provided by the embodiment of the present application, metal barrier 47 is reflective metal layer or overflows
Reflective metal layer.When metal barrier 47 is reflective metal layer, table of the metal barrier 47 close to the side of color membrane substrates 20
Face be it is planar as shown in fig. 13 that, when metal barrier 47 is diffusing reflection metal layer, metal barrier 47 is close to color film base
The surface of 20 side of plate is as shown in figure 14 wavy, wherein Figure 13 show signal provided by the embodiment of the present application and walks
A kind of relative position relation figure of line 31 and reflective metal layer, Figure 14 show signal lead 31 provided by the embodiment of the present application
With another relative position relation figure of reflective metal layer.Reflective metal layer and diffusing reflection metal layer can be by laser cutting process
In generated laser energy play reflex, effectively reduce the laser energy for spreading to 31 position of signal lead, from
And be conducive to reduce the possibility that signal lead 31 is broken due to the effect of laser energy, and then be conducive to promote display surface
The display performance of plate 100.This is because wave energy is preferably by laser toward different direction diffusing reflections, when diffusing reflection design with
When the design of laser barrier layer combines, such as: diffusing reflection design is in the lower section of laser barrier region, when laser is stopped by laser
Laser energy diffusing reflection, irreflexive energy when reaching diffusing reflection, can be greatly reduced the laser to laser cutting region by layer
The damage on barrier layer.
Optionally, Figure 15 show another structural plane figure of display panel 100 provided by the embodiment of the present application, laser
Barrier layer 40 includes frame glue 92, and frame glue 92 is located at array substrate 10 close to the side of color membrane substrates 20 and does not connect with color membrane substrates 20
Touching.
Specifically, use frame glue as laser barrier layer 40 in embodiment illustrated in fig. 15, due to array substrate 10 and color film
It is to be fixed and formed sealing space by the first frame glue 90 between substrate 20, base of the application in original first frame glue 90
It is equivalent on plinth and extends original first frame glue 90, while ensuring that the frame glue 92 extended is located at laser cut-off station 21 and is somebody's turn to do
Frame glue 92 is not contacted with color membrane substrates 20, is prevented from being adhered with color membrane substrates 20 and be cannot achieve normal laser cutting.It adopts
It uses frame glue 92 as laser barrier layer 40, can equally reduce and spread to 31 position of signal lead in laser cutting process
Laser energy, to be conducive to reduce the possibility that signal lead 31 is broken due to the effect of laser energy, and then advantageous
In the display performance for promoting display panel 100.
Figure 16 show a kind of sectional view of array substrate 10 provided by the embodiment of the present application, including the grid set gradually
Pole metal layer 61 and source-drain electrode metal layer 62 and the planarization layer positioned at source-drain electrode metal layer 62 far from 13 side of the first substrate
64, the signal lead 31 positioned at step cabling area 121 is generally arranged at gate metal layer 61 and/or source-drain electrode metal layer 62, when
When laser barrier layer 40 provided by the embodiment of the present application is located at the first substrate 13 towards the side of color membrane substrates 20, laser resistance
Barrier 40 is usually located at side of the planarization layer 64 far from the first substrate 13, to be located at laser cutting to 31 orthographic projection of signal lead
It is protected the part 32 in area 21.It should be noted that Figure 16 is illustrated by taking the thin film transistor (TFT) 60 of top gate structure as an example
, i.e., gate metal layer 61 is located at side of the semiconductor active layer 63 far from the first substrate 13, in some other reality of the application
It applies in example, thin film transistor (TFT) 60 can also be presented as bottom grating structure, i.e. gate metal layer 61 is located at semiconductor active layer 63 close to
The side of one substrate 13, the application is to this without specifically limiting.
Based on the same inventive concept, the application also provides a kind of display device 200, and Figure 17 show the embodiment of the present application institute
A kind of structural schematic diagram of the display device 200 of offer, referring to Figure 17, which includes display panel 100, this is aobvious
Show that panel is display panel 100 provided by the embodiment of the present application.The embodiment of the display device 200 can be found in above-mentioned display surface
The embodiment of plate 100, overlaps will not be repeated.Display device 200 provided herein can be with are as follows: mobile phone, tablet computer,
Any products or components with real function such as television set, display, laptop, Digital Frame, navigator.
Through the foregoing embodiment it is found that display panel provided by the invention and display device, at least realizing following has
Beneficial effect:
In display panel and display device provided herein, laser is provided in the second substrate of color membrane substrates and is cut
Area is cut, and laser barrier layer is set between the signal lead and the second substrate in array substrate, in particular, the laser barrier layer
The part that orthographic projection in signal lead is located at laser cut-off station is at least covered in the orthographic projection of plane where the first substrate, to
When two substrates are cut by laser, due to the protective effect on laser barrier layer, effectively prevent laser energy and spread to orthographic projection
Positioned at the signal lead of laser cut-off station, therefore substantially reduces the signal lead in laser cutting process in array substrate and burnt
Disconnected possibility, to be conducive to be promoted the display unfailing performance of display panel and display device.
Although some specific embodiments of the invention are described in detail by example, the skill of this field
Art personnel it should be understood that example above merely to being illustrated, the range being not intended to be limiting of the invention.The skill of this field
Art personnel are it should be understood that can without departing from the scope and spirit of the present invention modify to above embodiments.This hair
Bright range is defined by the following claims.
Claims (13)
1. a kind of display panel, which is characterized in that there is viewing area and the non-display area around the viewing area, it is described non-display
Area includes positioned at the step cabling area of the viewing area side, and the display panel includes:
The array substrate and color membrane substrates being oppositely arranged；The array substrate includes the first substrate and is arranged in first base
Towards the signal lead of the color membrane substrates side, the signal lead is at least partially disposed at step cabling area at bottom；Institute
Stating color membrane substrates includes the second substrate, is provided with laser cut-off station in second substrate, and the laser cut-off station is described the
The orthographic projection of plane is located in step cabling area limited range where one substrate；
Laser barrier layer is located at the non-display area, is arranged between the signal lead and second substrate, the laser
Barrier layer is being at least partially disposed at the laser cut-off station, and the laser in the orthographic projection of plane where second substrate
Barrier layer at least covers orthographic projection in the signal lead in the orthographic projection of plane where first substrate and is located at the laser
The part of cutting area.
2. display panel according to claim 1, which is characterized in that the laser barrier layer includes multiple laser blocking junctions
Structure, each laser obstruction structure at least cover in the signal lead in the orthographic projection of plane where first substrate
Orthographic projection is located at the part of the laser cut-off station.
3. display board according to claim 2, which is characterized in that the laser obstruction structure is where first substrate
The edge of the orthographic projection of plane includes first edge identical with the extending direction of the signal lead, the first edge and with
Minimum range between the edge of the corresponding signal lead of the laser obstruction structure is D1, D1 >=1.5 μm.
4. display panel according to claim 1, which is characterized in that the laser barrier layer includes a laser blocking junction
Structure, the laser obstruction structure cover orthographic projection position in each signal lead in the orthographic projection of plane where first substrate
In the part of the laser cut-off station.
5. the display panel stated according to claim 4, which is characterized in that the laser obstruction structure is where first substrate
The edge of the orthographic projection of plane includes second edge identical with the extending direction of the signal lead, the second edge and with
Minimum range between the edge of the corresponding signal lead of the laser obstruction structure is D2, D2 >=1.5 μm.
6. display panel according to claim 1, which is characterized in that the laser barrier layer includes metal barrier, institute
The side close to second substrate that metal barrier is located at first substrate is stated, or, the metal barrier is located at institute
State the side close to first substrate of the second substrate.
7. display panel according to claim 6, which is characterized in that the metal barrier with a thickness of D3,
8. display panel according to claim 6, which is characterized in that when the metal barrier is located at first substrate
Close to the side of second substrate when, the metal barrier receives fixed voltage signal.
9. display panel according to claim 6, which is characterized in that when the metal barrier is located at first substrate
Close to second substrate side when, the metal barrier pass through at least two via holes and the corresponding signal
Cabling electrical connection.
10. display panel according to claim 9, which is characterized in that the laser cut-off station includes laser cutting path,
Described two via holes are located at the two sides of orthographic projection of the laser cutting path on the metal barrier, and are located at institute
State the region of the orthographic projection on metal barrier far from the laser cutting path in the metal barrier.
11. display panel according to claim 6, which is characterized in that the metal barrier is reflective metal layer or overflows
Reflective metal layer.
12. display panel according to claim 1, which is characterized in that the laser barrier layer includes frame glue, the frame glue
It is not contacted positioned at the array substrate close to the side of the color membrane substrates and with the color membrane substrates.
13. a kind of display device, which is characterized in that any display panel including claim 1 to 12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811156854.3A CN109116612A (en) | 2018-09-30 | 2018-09-30 | Display panel and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811156854.3A CN109116612A (en) | 2018-09-30 | 2018-09-30 | Display panel and display device |
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| Publication Number | Publication Date |
|---|---|
| CN109116612A true CN109116612A (en) | 2019-01-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811156854.3A Pending CN109116612A (en) | 2018-09-30 | 2018-09-30 | Display panel and display device |
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| Country | Link |
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| CN (1) | CN109116612A (en) |
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