CN109671705A - Display panel and display device thereof - Google Patents
Display panel and display device thereof Download PDFInfo
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- CN109671705A CN109671705A CN201811601645.5A CN201811601645A CN109671705A CN 109671705 A CN109671705 A CN 109671705A CN 201811601645 A CN201811601645 A CN 201811601645A CN 109671705 A CN109671705 A CN 109671705A
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- 239000000758 substrate Substances 0.000 claims abstract description 8
- 230000002265 prevention Effects 0.000 claims description 110
- 239000000463 material Substances 0.000 claims description 13
- 239000003990 capacitor Substances 0.000 claims description 9
- 238000003860 storage Methods 0.000 claims description 9
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 6
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 claims description 4
- 229910052733 gallium Inorganic materials 0.000 claims description 4
- 229910052738 indium Inorganic materials 0.000 claims description 4
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 claims description 4
- MRNHPUHPBOKKQT-UHFFFAOYSA-N indium;tin;hydrate Chemical group O.[In].[Sn] MRNHPUHPBOKKQT-UHFFFAOYSA-N 0.000 claims description 4
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 4
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 claims description 4
- 239000011787 zinc oxide Substances 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 229910052750 molybdenum Inorganic materials 0.000 claims description 3
- 239000011733 molybdenum Substances 0.000 claims description 3
- 229910052725 zinc Inorganic materials 0.000 claims description 3
- 239000011701 zinc Substances 0.000 claims description 3
- 230000003068 static effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 16
- 238000009825 accumulation Methods 0.000 description 6
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/0203—Particular design considerations for integrated circuits
- H01L27/0248—Particular design considerations for integrated circuits for electrical or thermal protection, e.g. electrostatic discharge [ESD] protection
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/0203—Particular design considerations for integrated circuits
- H01L27/0248—Particular design considerations for integrated circuits for electrical or thermal protection, e.g. electrostatic discharge [ESD] protection
- H01L27/0251—Particular design considerations for integrated circuits for electrical or thermal protection, e.g. electrostatic discharge [ESD] protection for MOS devices
- H01L27/0292—Particular design considerations for integrated circuits for electrical or thermal protection, e.g. electrostatic discharge [ESD] protection for MOS devices using a specific configuration of the conducting means connecting the protective devices, e.g. ESD buses
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention provides a display panel and a display device thereof, relates to the technical field of display, and aims to improve and even avoid the influence of static charge on the display panel. The display panel includes: a substrate base including a light-transmitting region, a first non-display region surrounding the light-transmitting region, a display region surrounding the first non-display region, and a second non-display region surrounding the display region; at least one anti-static structure, wherein the anti-static structure is arranged around the light-transmitting area and is positioned in the first non-display area; and the electrostatic discharge wire is electrically connected with the anti-static structure through a leading-out wire. The display panel is suitable for display devices.
Description
[technical field]
The present invention relates to field of display technology more particularly to a kind of display panel and its display devices.
[background technique]
Some display panels during the preparation process, will do it aperture, and the electrostatic charge outside panel is easy to from osseotomy site
Into in panel.With the accumulation of electrostatic charge, when electrostatic charge can discharge after running up to certain amount, the time for generation of discharging is very
Short, the electric current of a small amount of electrostatic charge release may make to show screen shake, and a large amount of electrostatic charge can generate high when discharging
The heat that electric current, breakdown device or moment generate causes circuit to damage, and further decreases the yield of display panel.
Therefore, electrostatic charge influence caused by display panel how is effectively prevented, is this field technology urgently to be resolved
Problem.
[summary of the invention]
In view of this, the embodiment of the invention provides a kind of display panel and its display device, for improving or even avoiding
Electrostatic charge is influenced caused by display panel.
One aspect of the present invention provides a kind of display panel, which includes:
Underlay substrate, the underlay substrate include transparent area, the first non-display area around the transparent area, surround first
The viewing area of non-display area and the second non-display area around the viewing area；
At least one electrostatic prevention structure, the electrostatic prevention structure are arranged around the transparent area, and it is non-to be located at described first
In viewing area；
At least one Electro-static Driven Comb cabling, the Electro-static Driven Comb cabling are electrically connected by lead-out wire and the electrostatic prevention structure
It connects.
Optionally, the Electro-static Driven Comb cabling be power signal line, the power signal line be PVDD signal wire and/or
PVEE signal wire.
Optionally, the display panel further includes grid layer,
The power signal line and the grid layer same layer are arranged.
Optionally, the display panel further includes data line layer,
The electrostatic prevention structure and the data line layer same layer are arranged.
Optionally, the display panel further includes storage capacitor electrode layer,
The electrostatic prevention structure and the storage capacitor electrode layer same layer are arranged.
Optionally, the display panel further includes active layer,
The lead-out wire and the active layer same layer are arranged.
Optionally, the material of the active layer is low temperature polycrystalline silicon.
Optionally, the electrostatic prevention structure is antistatic ring or antistatic cabling.
Optionally, the spacing between the electrostatic prevention structure and the edge of the transmission region is L, 70 μm≤L≤100 μ
m。
Optionally, the material of the electrostatic prevention structure is aluminium or molybdenum or copper.
Optionally, the material of the electrostatic prevention structure is tin indium oxide or indium zinc oxide or indium gallium zinc or zinc
Oxide.
Another aspect of the present invention also provides a kind of display device, and the display device includes the display that previous aspect is related to
Panel.
Any technical solution in above-mentioned technical proposal has the following beneficial effects:
In the embodiment of the present invention, by the way that electrostatic prevention structure is arranged in the first non-display area, and electrostatic prevention structure is around saturating
Light area setting, on the one hand, electrostatic prevention structure avoids electrostatic charge in the accumulation of transparent area, realizes comprehensive to transparent area progress
Electrostatic protection；On the other hand, guarantee that the electrostatic charge entered via each region in transparent area can pass through Electro-static Driven Comb cabling
It guides, the antistatic capacity of display panel is improved, to improve the stability of display panel.
[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
Figure is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this field
For those of ordinary skill, without any creative labor, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is a kind of structural schematic diagram of display panel provided by the embodiment of the present invention；
Fig. 2 is a kind of enlarged drawing in Fig. 1 provided by the embodiment of the present invention at location of C；
Fig. 3 is another structural schematic diagram of display panel provided by the embodiment of the present invention；
Fig. 4 is a kind of connection relationship signal of electrostatic prevention structure provided by the embodiment of the present invention and Electro-static Driven Comb cabling
Figure；
Fig. 5 is another connection relationship signal of electrostatic prevention structure provided by the embodiment of the present invention and Electro-static Driven Comb cabling
Figure；
Fig. 6 is another connection relationship signal of electrostatic prevention structure provided by the embodiment of the present invention and Electro-static Driven Comb cabling
Figure；
Fig. 7 is another connection relationship signal of electrostatic prevention structure provided by the embodiment of the present invention and Electro-static Driven Comb cabling
Figure；
Fig. 8 is another connection relationship signal of electrostatic prevention structure provided by the embodiment of the present invention and Electro-static Driven Comb cabling
Figure；
Fig. 9 is another enlarged drawing in Fig. 1 provided by the embodiment of the present invention at location of C；
Figure 10 is another structural schematic diagram of display panel provided by the embodiment of the present invention；
Figure 11 is a kind of connection relationship signal of electrostatic prevention structure provided by the embodiment of the present invention and Electro-static Driven Comb cabling
Figure；
Figure 12 is a kind of connection relationship signal of electrostatic prevention structure provided by the embodiment of the present invention and Electro-static Driven Comb cabling
Figure；
Figure 13 is a kind of connection relationship signal of electrostatic prevention structure provided by the embodiment of the present invention and Electro-static Driven Comb cabling
Figure；
Figure 14 is a kind of connection relationship signal of electrostatic prevention structure provided by the embodiment of the present invention and Electro-static Driven Comb cabling
Figure；
Figure 15 is the structural schematic diagram of display device provided by the 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.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
Its embodiment, shall fall within the protection scope of the present invention.
The term used in embodiments of the present invention is only to be not intended to be limiting merely for for the purpose of describing particular embodiments
The present invention.In the embodiment of the present invention and the "an" of singular used in the attached claims, " described " and "the"
It 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, indicate
There may be three kinds of relationships, for example, A and/or B, can indicate: individualism A, exist simultaneously A and B, individualism B these three
Situation.In addition, character "/" herein, typicallys represent the relationship that forward-backward correlation object is a kind of "or".
It will be appreciated that though non-display area may be described in embodiments of the present invention using term first, second etc., but
These non-display areas should not necessarily be limited by these terms.These terms are only used to for non-display area being distinguished from each other out.For example, not departing from
In the case where range of embodiment of the invention, the first non-display area can also be referred to as the second non-display area, and similarly, second is non-aobvious
Show that area can also be referred to as the first non-display area.
It should be noted that the nouns of locality such as "upper", "lower" described in the embodiment of the present invention, "left", "right" are with attached drawing
Shown in angle come what is be described, should not be construed as the restriction to the embodiment of the present invention.Furthermore within a context, it is also necessary to manage
Solution can not only be formed directly into another when mentioning an element and being formed on "above" or "below" another element
Perhaps "lower" can also be indirectly formed by intermediary element in another element "upper" or "lower" for a element "upper".
Before the detailed technical solution for illustrating the present embodiment, the display panel and its technologies that be related to the present embodiment
Train of thought is simply introduced:
With the arrival shielded comprehensively, camera, earpiece etc. are arranged in display area more and more display devices, this
The design of sample can reduce the border width of non-display area, increase the display area of display area as far as possible.
But it due to being provided with transmission region in display area, is easy electrostatic charge introducing display area.With electrostatic
The accumulation of lotus generates electric discharge phenomena after reaching certain amount, and since the time that electric discharge occurs is very short, the electric current of electrostatic charge release can
It can make to show screen shake, serious person may puncture display device or the heat of moment generation causes circuit to damage.
In order to solve the above-mentioned technical problem, inventor devises following technical solution:
One aspect of the present invention provides a kind of display panel, and as shown in Figure 1 to Figure 2, Fig. 1 is provided by the embodiment of the present invention
A kind of structural schematic diagram of display panel, Fig. 2 are a kind of enlarged drawing in Fig. 1 provided by the embodiment of the present invention at location of C, should
Display panel 100 includes: underlay substrate 1, and underlay substrate 1 includes transparent area 10, the first non-display area B1 around transparent area 10,
Viewing area AA around the first non-display area B1 and the second non-display area B2 around viewing area AA.
As shown in Fig. 2, the display panel 100 further includes at least one electrostatic prevention structure 14, which is surrounded
Transparent area 10 is arranged, and is located in the first non-display area B1.It is understood that transparent area 10 refers to light transmittance in display panel
Higher region, the light transmittance in the region are higher than the light transmittance of viewing area AA.For example, transparent area 10 is for being correspondingly arranged camera
Component or receiver assembly, display panel 100 light transmission but is not cut at transparent area 10, alternatively, display panel 100 is in transparent area 10
Place's cutting makes to form a through-hole at transparent area 10.
The present embodiment is provided with electrostatic prevention structure 14 around transparent area 10, can carry out in all directions quiet to transparent area 10
Electricity protection, on the one hand avoids electrostatic charge in the accumulation of transparent area 10, realizes the effect of the electrostatic protection to transparent area 10；It is another
Aspect reduces the probability that electrostatic charge enters viewing area AA, avoids the destruction to the display device in the AA of viewing area, effectively
Extend the service life of display device.
With continued reference to Fig. 2, which further includes at least one Electro-static Driven Comb cabling 15, Electro-static Driven Comb cabling 15
It is electrically connected by lead-out wire 16 with electrostatic prevention structure 14.
In the display panel provided by the embodiment of the present invention, by the way that electrostatic prevention structure is arranged in the first non-display area B1
14, and electrostatic prevention structure 14 is arranged around transparent area 10, on the one hand, and electrostatic prevention structure 14 avoids electrostatic charge in transparent area 10
Accumulation, realize and carry out comprehensive electrostatic protection to transparent area 10；On the other hand, guarantee via each area in transparent area 10
The electrostatic charge that domain enters can be guided by Electro-static Driven Comb cabling 15, the antistatic capacity of display panel be improved, to mention
The stability of high display panel 100.
The specific structure of Electro-static Driven Comb cabling is introduced below:
In the present embodiment, as shown in figure 3, its another structural representation for display panel provided by the embodiment of the present invention
Figure, Electro-static Driven Comb cabling 15 can be ground signal line GND and/or power signal line.Wherein, ground signal line GND setting is the
In two non-display area B2.Power signal line is arranged in the AA of viewing area, is that the signal of power supply voltage signal is provided for pixel circuit
Line.Power signal line in display panel 100 can grid-shaped structure.Specifically, power signal line can for PVDD signal wire and/
Or PVEE signal wire, wherein PVDD signal wire can be each extended over along line direction and column direction, and the setting of PVEE signal wire is believed in ground connection
Number line GND is close to the inside of viewing area AA.
In conjunction with above embodiment it is found that electrostatic prevention structure 14 is electrically connected with Electro-static Driven Comb cabling 15, which is walked
Line 15 is ground signal line GND and/or power signal line, and therefore, which can be with ground signal line GND, PVDD
Signal wire and/or the electrical connection of PVEE signal wire.Illustratively, as shown in figure 3, electrostatic prevention structure 14 can directly and power signal line
Electrical connection is electrically connected by lead-out wire 16 with power signal line, and electrostatic prevention structure 14 can pass through lead-out wire 16 and ground signalling
Line GND is electrically connected, and is not specially limited in the present embodiment to its specific electric connection mode, can be depending on specific product.
In the present embodiment, ground signal line GND and power signal line can be electrically connected with driving chip, therefore, quiet when preventing
When electric structure 14 is electrically connected with ground signal line GND and/or power signal line (PVDD signal wire and/or PVEE signal wire), warp
The electrostatic charge entered by transparent area 10, can be by electrostatic prevention structure 14 via ground signal line GND, the PVDD being connected electrically
Signal wire and/or PVEE signal wire are transmitted to driving chip, are then transmit to circuit board, and then via the outer of display panel 100
Shell flows into human body, then flows into the earth via human body, avoids electrostatic charge and enters viewing area AA, improves the quiet of display panel 100
Electric protective capacities.
The connection relationship of electrostatic prevention structure and Electro-static Driven Comb cabling is explained in detail below:
In one embodiment, as shown in figure 4, Fig. 4 is electrostatic prevention structure and electrostatic provided by the embodiment of the present invention
A kind of connection relationship diagram of cabling is discharged, electrostatic prevention structure 14 can be electrically connected with ground signal line GND.This kind of setting side
It under formula, can be discharged via ground signal line GND via the electrostatic charge that transparent area 10 enters, it is aobvious to avoid electrostatic charge entrance
Show area AA.Also, it is based on this kind of connection type, whole electrostatic prevention structures 14 is only electrically connected with a kind of Electro-static Driven Comb cabling 15,
Manufacturing process is simple and easy to do.
In another embodiment, as shown in figure 5, it is electrostatic prevention structure and electrostatic provided by the embodiment of the present invention
Another connection relationship diagram of cabling is discharged, electrostatic prevention structure 14 can be electrically connected with PVDD signal wire.This kind of setting side
Under formula, it can be discharged via PVDD signal wire via the electrostatic charge that transparent area 10 enters, avoid electrostatic charge and enter display
Area AA.Also, it is based on this kind of connection type, electrostatic prevention structure 14 is only electrically connected with a kind of Electro-static Driven Comb cabling 15, manufacturing process
It is simple and easy to do.
In another embodiment, as shown in fig. 6, it is electrostatic prevention structure and electrostatic provided by the embodiment of the present invention
Another connection relationship diagram of cabling is discharged, electrostatic prevention structure 14 can be electrically connected with PVEE signal wire.This kind of setting side
Under formula, it can be discharged via PVEE signal wire via the electrostatic charge that transparent area 10 enters, avoid electrostatic charge and enter display
Area AA.Also, it is based on this kind of connection type, electrostatic prevention structure 14 is only electrically connected with a kind of Electro-static Driven Comb cabling 15, manufacturing process
It is simple and easy to do.
In another embodiment, as shown in fig. 7, it is electrostatic prevention structure and electrostatic provided by the embodiment of the present invention
Discharge cabling another connection relationship diagram, electrostatic prevention structure 14 can respectively with ground signal line GND and PVDD signal wire
Electrical connection.Under this kind of set-up mode, the electrostatic charge that enters via transparent area 10 can by ground signal line GND and/or
PVDD signal wire discharges, and avoids electrostatic charge and enters viewing area AA.Specifically, electrostatic charge can both pass through ground signal line
GND release, can also be discharged by PVDD signal wire, the side only discharged from same Electro-static Driven Comb cabling 15 with whole electrostatic charges
Formula is compared, and the release way of electrostatic charge is increased, to further reduced a possibility that electrostatic charge enters viewing area AA.
In another embodiment, as shown in figure 8, it is electrostatic prevention structure and electrostatic provided by the embodiment of the present invention
Discharge cabling another connection relationship diagram, electrostatic prevention structure 14 can respectively with ground signal line GND and PVEE signal wire
Electrical connection.Under this kind of set-up mode, the electrostatic charge that enters via transparent area 10 can by ground signal line GND and/or
PVEE signal wire discharges, and avoids electrostatic charge and enters viewing area AA.Specifically, electrostatic charge can both pass through ground signal line
GND release, can also be discharged by PVEE signal wire, the side only discharged from same Electro-static Driven Comb cabling 15 with whole electrostatic charges
Formula is compared, and the release way of electrostatic charge is increased, to further reduced a possibility that electrostatic charge enters viewing area AA.
You need to add is that electrostatic prevention structure 14 can be with it at a distance of nearest ground signal line GND or power signal line electricity
Connection.For example, as second non-display area B2 of the transparent area 10 close to upside, can enable electrostatic prevention structure 14 with the of upside
The ground signal line GND electrical connection extended in two non-display area B2.Using this kind of connection type, on the one hand, electrostatic prevention structure 14
It ensure that and be electrically connected with a ground signal line GND or a power signal line, to ensure that via each area of transparent area 10
The electrostatic charge that domain enters can be guided by ground signal line GND or power signal line；On the other hand, electrostatic prevention structure 14 is enabled
It is electrically connected with it at a distance of nearest ground signal line GND or power signal line, electrostatic charge can be shortened by electrostatic prevention structure 14
Be transmitted to the time of Electro-static Driven Comb cabling 15, to further speed up the walking guide of electrostatic charge, further reduced electrostatic charge into
A possibility that entering viewing area AA.
When electrostatic prevention structure is electrically connected with ground signal line GND or power signal line by lead-out wire, in lead-out wire
At least partly region can be located in viewing area, and since device is more in viewing area, and wiring is complex, and therefore, lead-out wire is not
It is evitable to occur to overlap with the cabling in viewing area, interference is generated to transmission signal.
In another aspect, the present embodiment is by electrostatic prevention structure 14 and with it at a distance of nearest ground signal line GND or power supply
Signal wire electrical connection, can reduce the length of lead-out wire, reduce the overlapping of other cablings in lead-out wire and viewing area AA, and then drop
The low interference to transmission signal.
It should be noted that ground signal line GND can pass through a lead-out wire 16 and electrostatic prevention structure 14 in the present embodiment
Electrical connection, it is illustrative as shown in Figure 4.Electrostatic prevention structure 14 is electrically connected by a lead-out wire 16 with Electro-static Driven Comb cabling 15,
It ensure that provide for the electrostatic charge entered via 10 each region of transparent area and guide path.Alternatively, electrostatic prevention structure 14 can pass through
Two or more lead-out wire 16 is electrically connected with Electro-static Driven Comb cabling 15, illustratively as shown in Fig. 3, Fig. 5 to Fig. 8.One
Aspect, when wherein one or several lead-out wire 16 is broken, electrostatic prevention structure 14 is remained to Electro-static Driven Comb cabling 15 by not breaking
Other lead-out wires 16 split realize electrical connection, improve the connective stability of electrostatic prevention structure 14 Yu Electro-static Driven Comb cabling 15；Separately
On the one hand, the electrostatic charge on same electrostatic prevention structure 14 can be transmitted to Electro-static Driven Comb cabling 15 via a plurality of lead-out wire 16 simultaneously
In, the walking guide of electrostatic charge is accelerated, further reduced a possibility that electrostatic charge enters viewing area AA.
It is worth noting that, when electrostatic prevention structure 14 is electrically connected by a plurality of lead-out wire 16 with Electro-static Driven Comb cabling 15,
A plurality of lead-out wire 16 both can be electrically connected to same Electro-static Driven Comb cabling 15, also can connect to different Electro-static Driven Comb cablings
15.Also, it may be the same or different from the quantity of the lead-out wire 16 of the different electrical connections of electrostatic prevention structure 14.Specifically connect
The relationship of connecing can be depending on specific product.
In one embodiment, with continued reference to Fig. 1 to Fig. 8, which can be antistatic ring；Alternatively, such as
It is another enlarged drawing in Fig. 1 provided by the embodiment of the present invention at location of C shown in Fig. 9, which can be
Antistatic cabling.
Electrostatic prevention structure can be set according to the size of the first viewing area B1 in the present embodiment, as the first viewing area B1
Area it is larger, it is settable to set ring assembling structure for electrostatic prevention structure.According to resistance formula R=ρ l/s it is found that ρ is resistance
Rate, l are length of material, and s is cross-sectional area, and when there is a large amount of electrostatic charges to pass through, resistance is smaller, bigger by speed, are more held
Easily electrostatic charge is exported.According to above-mentioned formula it is found that resistance R is inversely proportional with cross-sectional area s, therefore cross-sectional area s is bigger, more has
Conducive to electrostatic charge is guided, therefore, the electrostatic prevention structure of cyclic structure can guide a large amount of electrostatic charge moment, reduce a large amount of electrostatic charges
Injury of the electric current of moment output to display panel.
When the area of the first viewing area B1 is smaller, electrostatic prevention structure can be arranged in the form of cabling, antistatic cabling one
Aspect can guide electrostatic charge, and another party reduces process complexity, be conducive to preparation.
In one embodiment, the spacing with continued reference to Fig. 2, between electrostatic prevention structure 14 and the edge of transparent area 10
For L, 70 μm≤L≤100 μm.In the present embodiment, spacing L be can be regarded as between the outer edge of transparent area 10 and electrostatic prevention structure 14
The length of line of shortest length section.
In the manufacture craft of electrostatic prevention structure 14, inevitably there is contraposition deviation, if 70 μm of L <, antistatic
Structure 14 and transparent area 10 will be excessively close apart, then, when position is arranged as caused by contraposition deviation factor in electrostatic prevention structure 14
When deviateing its normal place, electrostatic prevention structure 14 may be located inside transparent area 10, cause shadow to the translucency of transparent area 10
It rings, and then influences the normal imaging of CCD camera assembly.If 100 μm of L >, electrostatic prevention structure 14 and transparent area 10 will be at a distance of mistakes
Far, in one timing of the width of the first non-display area B1, it will lead to electrostatic prevention structure 14 and viewing area AA be excessively close apart, then,
When deviation occurs in the setting position of electrostatic prevention structure 14, electrostatic prevention structure 14 may be located in the AA of viewing area, to viewing area
Sub-pixel in AA causes to block, and influences the normal display of display panel.
It therefore, in embodiments of the present invention, both can be to avoid antistatic knot by being arranged L between 70 μm~100 μm
Structure 14 and 10 hypotelorism of transparent area, avoid electrostatic prevention structure 14 from impacting the translucency of transparent area 10, also can avoid anti-
Electrostatic structure 14 and viewing area AA hypotelorism, avoid electrostatic prevention structure 14 from impacting the normal luminous of viewing area AA.
The material for the electrostatic prevention structure being related to below to the present embodiment is introduced:
In one embodiment, when electrostatic prevention structure is formed by metal material, it is based on the good electric conductivity of metal material,
The walking guide time that electrostatic charge can be shortened, improve the antistatic capacity of display panel.Illustratively, the material of electrostatic prevention structure
It can be aluminium or molybdenum or copper, on the one hand conduct electricity very well, on the other hand can reduce cost.
In another embodiment, electrostatic prevention structure can for tin indium oxide or indium zinc oxide or indium gallium zinc or
Person's zinc oxide.Electric conductivity and good transparent performance based on tin indium oxide, indium zinc oxide and indium gallium zinc oxide, are guaranteeing
Under the premise of electrostatic charge can be guided via electrostatic prevention structure, the visibility of electrostatic prevention structure can be also reduced, to reduce anti-
The influence that electrostatic structure normally shows display panel.
Film layer where electrostatic prevention structure, Electro-static Driven Comb cabling and lead-out wire is illustrated below:
Before the film layer where introducing electrostatic prevention structure, simply it is situated between to film layer structure included by display panel 100
It continues, is another structural schematic diagram of display panel provided by the embodiment of the present invention, the display panel as shown in Figure 10
100 can be organic light emitting display panel, and organic light emitting display panel includes multiple display devices 6, and each display device 6 includes sun
Pole RE, luminescent layer 61 and cathode 63.Display panel 100 further includes the active layer 31 being set on first substrate 1, grid layer
Gate, data line layer Data and storage capacitor electrode layer 32.
For the ease of guiding the electrostatic charge accumulated in electrostatic prevention structure, electrostatic prevention structure can be with the different layer of Electro-static Driven Comb cabling
Setting.
It illustratively, in one embodiment, as shown in figure 11, is antistatic knot provided by the embodiment of the present invention
A kind of connection relationship diagram of structure and Electro-static Driven Comb cabling, power signal line (PVDD and/PVEE) and grid layer Gate same layer
Setting.
In conjunction with above embodiment it is found that power signal line (PVDD and/or PVEE) can be Electro-static Driven Comb cabling, antistatic
Structure 14 and lead-out wire 16 are arranged using identical metal layer, but its used metal layer belongs to different layers with Gate layers, adopts
It is electrically connected electrostatic prevention structure 14 with power signal line (PVDD and/or PVEE) by lead-out wire 16 with via hole, when antistatic knot
When structure 14 is electrically connected by lead-out wire 16 with power signal line (PVDD and/or PVEE), via the electrostatic charge of the entrance of transparent area 10
It can be discharged via power signal line (PVDD and/or PVEE) signal wire, avoid electrostatic charge and enter viewing area AA.And
And power signal line (PVDD and/PVEE) and grid layer Gate same layer are arranged, thicknesses of layers can be reduced, simplify technology difficulty.
Further, as shown in figure 12, quiet to prevent provided by the embodiment of the present invention in another embodiment
A kind of connection relationship diagram of electric structure and Electro-static Driven Comb cabling, display panel 100 further include data line layer Data, antistatic
Structure 14 and lead-out wire 16 are arranged with data line layer Data same layer, using via hole make electrostatic prevention structure 14 by lead-out wire 16 with
Power signal line (PVDD and/or PVEE) electrical connection,.On the one hand, the design in the present embodiment can reduce thicknesses of layers, and then subtract
The thickness of small display panel；On the other hand, electrostatic charge can be exported into display panel by power signal line (PVDD and/PVEE),
Improve the anti-static ability of display panel.
It is still further, it is provided by the embodiment of the present invention as shown in figure 13 in another embodiment
A kind of connection relationship diagram of electrostatic prevention structure and Electro-static Driven Comb cabling, display panel 100 further include storage capacitor electrode layer
32, electrostatic prevention structure 14 and lead-out wire 16 are arranged with 32 same layer of storage capacitor electrode layer, make electrostatic prevention structure 14 using via hole
It is electrically connected by lead-out wire 16 with power signal line (PVDD and/or PVEE).The present embodiment, on the one hand, thicknesses of layers can be reduced,
And then reduce the thickness of display panel；On the other hand, electrostatic charge can be exported by power signal line (PVDD and/PVEE) and is shown
Panel improves the anti-static ability of display panel.
It in one embodiment, as shown in figure 14, is electrostatic prevention structure and electrostatic provided by the embodiment of the present invention
A kind of connection relationship diagram of cabling is discharged, display panel 100 further includes active layer 31, lead-out wire 16 and 31 same layer of active layer
Setting, electrostatic prevention structure 14 and data line layer Data same layer are arranged, using via hole make electrostatic prevention structure 14 by lead-out wire 16 with
Power signal line (PVDD and/or PVEE) electrical connection.It should be noted that in other embodiments, electrostatic prevention structure 14 can also
Can also be arranged with 32 same layer of storage capacitor electrode layer with the setting of 32 same layer of storage capacitor electrode layer or electrostatic prevention structure 14,
Or electrostatic prevention structure 14 can also be fabricated separately using other metal layers.
Since active layer is semiconductor material, the resistance value of resistance is larger, be not easy it is breakdown, will therefore in the present embodiment
When the biggish lead-out wire 16 of resistance is electrically connected with electrostatic prevention structure 14, the anti-breakdown performance of electrostatic prevention structure is on the one hand improved,
On the other hand the electrostatic charge that can be will build up on again improves display by power signal line (PVDD and/PVEE) export display panel
The anti-static ability of panel.
Further, the material of active layer can be low temperature polycrystalline silicon in the present embodiment.Due to lead-out wire and active layer same layer
Setting, material are identical as the material of active layer.The electron mobility of low temperature polycrystalline silicon faster, accelerates the export of electrostatic charge,
Be conducive to improve the anti-static ability of display panel.
The present embodiment provides a kind of display devices, are display device provided by the embodiment of the present invention as shown in figure 15
Structural schematic diagram, the display device 500 include above-described embodiment involved by display panel 100.The display device 500 packet
Include above-mentioned display panel 100.It should be noted that Figure 15 using mobile phone as display device for carry out example, but display device
500 are not limited to mobile phone, specifically, the display device can include but is not limited to personal computer (Personal
Computer, PC), personal digital assistant (Personal Digital Assistant, PDA), radio hand-held equipment, plate electricity
Any electronic equipments having a display function such as brain (Tablet Computer), electric paper book, MP4 player or television set.
In the embodiment of the present invention, by the way that electrostatic prevention structure is arranged in the first non-display area, and electrostatic prevention structure is around saturating
Light area setting, on the one hand, electrostatic prevention structure avoids electrostatic charge in the accumulation of transparent area, realizes comprehensive to transparent area progress
Electrostatic protection；On the other hand, guarantee that the electrostatic charge entered via each region in transparent area can pass through Electro-static Driven Comb cabling
It guides, the antistatic capacity of display panel is improved, to improve the stability of display panel.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (12)
1. a kind of display panel characterized by comprising
Underlay substrate, the underlay substrate include transparent area, the first non-display area around the transparent area, and it is non-aobvious to surround first
Show the viewing area in area and the second non-display area around the viewing area；
At least one electrostatic prevention structure, the electrostatic prevention structure are arranged around the transparent area, and it is non-display to be located at described first
In area；
At least one Electro-static Driven Comb cabling, the Electro-static Driven Comb cabling are electrically connected by lead-out wire with the electrostatic prevention structure.
2. display panel according to claim 1, which is characterized in that the Electro-static Driven Comb cabling is power signal line, institute
Stating power signal line is PVDD signal wire and/or PVEE signal wire.
3. display panel according to claim 2, which is characterized in that it further include grid layer,
The power signal line and the grid layer same layer are arranged.
4. display panel according to claim 1, which is characterized in that it further include data line layer,
The electrostatic prevention structure and the data line layer same layer are arranged.
5. display panel according to claim 1, which is characterized in that it further include storage capacitor electrode layer,
The electrostatic prevention structure and the storage capacitor electrode layer same layer are arranged.
6. display panel according to claim 1, which is characterized in that it further include active layer,
The lead-out wire and the active layer same layer are arranged.
7. display panel according to claim 6, which is characterized in that the material of the active layer is low temperature polycrystalline silicon.
8. display panel according to claim 1, which is characterized in that the electrostatic prevention structure is antistatic ring or prevents quiet
Electric cabling.
9. display panel according to claim 1, which is characterized in that the side of the electrostatic prevention structure and the transmission region
Spacing between edge is L, 70 μm≤L≤100 μm.
10. display panel according to claim 1, which is characterized in that the material of the electrostatic prevention structure is aluminium or molybdenum
Or copper.
11. display panel according to claim 1, which is characterized in that the material of the electrostatic prevention structure is tin indium oxide
Either indium zinc oxide or indium gallium zinc or zinc oxide.
12. a kind of display device, which is characterized in that including display described in any one of the claims 1 to 11 claim
Panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811601645.5A CN109671705A (en) | 2018-12-26 | 2018-12-26 | Display panel and display device thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811601645.5A CN109671705A (en) | 2018-12-26 | 2018-12-26 | Display panel and display device thereof |
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| CN109671705A true CN109671705A (en) | 2019-04-23 |
Family
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| CN201811601645.5A Pending CN109671705A (en) | 2018-12-26 | 2018-12-26 | Display panel and display device thereof |
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| CN110197843A (en) * | 2019-05-31 | 2019-09-03 | 武汉天马微电子有限公司 | Display panel and display device |
| CN110379822A (en) * | 2019-07-22 | 2019-10-25 | 昆山国显光电有限公司 | Array substrate and preparation method thereof, display panel and display device |
| CN111697040A (en) * | 2020-06-15 | 2020-09-22 | 合肥维信诺科技有限公司 | Display panel and display device |
| CN113360020A (en) * | 2021-06-01 | 2021-09-07 | 上海天马有机发光显示技术有限公司 | Display panel and display device |
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Application publication date: 20190423 |