CN108287428A - Display panel and display device - Google Patents
Display panel and display device Download PDFInfo
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- CN108287428A CN108287428A CN201810251540.5A CN201810251540A CN108287428A CN 108287428 A CN108287428 A CN 108287428A CN 201810251540 A CN201810251540 A CN 201810251540A CN 108287428 A CN108287428 A CN 108287428A
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- metal routing
- extending direction
- display panel
- metal
- fingerprint recognition
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- 239000002184 metal Substances 0.000 claims abstract description 129
- 239000000758 substrate Substances 0.000 claims abstract description 54
- 238000003491 array Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 20
- 238000005516 engineering process Methods 0.000 description 14
- 230000005540 biological transmission Effects 0.000 description 11
- 239000010409 thin film Substances 0.000 description 9
- 239000010408 film Substances 0.000 description 7
- 238000003860 storage Methods 0.000 description 7
- 230000003287 optical effect Effects 0.000 description 5
- 238000002834 transmittance Methods 0.000 description 5
- 230000005611 electricity Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 230000011514 reflex Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000007600 charging Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005538 encapsulation Methods 0.000 description 2
- 239000005357 flat glass Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Classifications
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/60—OLEDs integrated with inorganic light-sensitive elements, e.g. with inorganic solar cells or inorganic photodiodes
- H10K59/65—OLEDs integrated with inorganic image sensors
-
- 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
- G02F1/1343—Electrodes
- G02F1/134309—Electrodes characterised by their geometrical arrangement
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/136286—Wiring, e.g. gate line, drain line
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/12—Fingerprints or palmprints
- G06V40/13—Sensors therefor
- G06V40/1318—Sensors therefor using electro-optical elements or layers, e.g. electroluminescent sensing
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/131—Interconnections, e.g. wiring lines or terminals
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- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Inorganic Chemistry (AREA)
- Mathematical Physics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optics & Photonics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Sustainable Development (AREA)
- Life Sciences & Earth Sciences (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Multimedia (AREA)
- Geometry (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
The invention discloses a display panel and a display device, wherein the display panel comprises a display module, the display module comprises an array substrate and a plurality of pixel units positioned on the array substrate; the fingerprint identification module is located one side of the array substrate far away from the pixel unit and comprises at least one fingerprint identification unit, and the fingerprint identification unit performs fingerprint identification according to light reflected to the fingerprint identification unit through the touch body; the array substrate comprises a plurality of light-transmitting areas and a plurality of non-light-transmitting areas, and also comprises a plurality of metal wires, wherein the metal wires comprise metal wires arranged along a first extending direction and metal wires arranged along a second extending direction, and the distances between adjacent metal wires arranged along at least one extending direction are not all equal; the first extending direction and the second extending direction are perpendicular to each other. Through the technical scheme of the invention, the probability that the metal wiring is completely positioned in the light-transmitting area is reduced, and the fingerprint identification semaphore is favorably improved.
Description
Technical field
The present embodiments relate to display technology field more particularly to a kind of display panel and display devices.
Background technology
Fingerprint is all come with body for everyone, with the development of science and technology, occurring a variety of carry in the market
The display device of fingerprint identification function, such as mobile phone, tablet computer and intelligent wearable device.User carries fingerprint in operation
Before the display device of identification function, it is only necessary to can be carried out Authority Verification with finger touch display unit, simplify permission and test
Card process.
Fingerprint recognition module is generally set to below display module by the display panel with fingerprint identification function, light source hair
The light gone out is received via the fingerprint recognition module for passing through display module to be shown below module after main body reflection is touched, display panel
Realize fingerprint identification function.But the overwhelming majority that the opaque film layer such as metal layer in display module occupies display module is thrown
Shadow area so that the light transmission rate of display module is relatively low, reduces the light for exposing to fingerprint recognition module so that display panel
Fingerprint recognition semaphore reduces.
Invention content
A kind of display panel of present invention offer and display device, are at least set along an extending direction by being arranged in array substrate
The distance between the adjacent metal cabling set is not all equal, reduces the probability that metal routing is fully located at transparent area, is conducive to
The light transmission rate for improving display module, improves the fingerprint recognition semaphore of display panel.
In a first aspect, an embodiment of the present invention provides a kind of display panels, including：
Display module, the display module include array substrate and multiple pixel lists in the array substrate
Member；
Fingerprint recognition module, the fingerprint recognition module are located at side of the array substrate far from the pixel unit,
The fingerprint recognition module includes first substrate and at least one fingerprint identification unit on the first substrate, described
Fingerprint identification unit is used to carry out fingerprint recognition according to the light for being reflected into the fingerprint identification unit via touch main body；
The array substrate includes multiple transparent areas and multiple alternatively non-transparent districts, and the array substrate further includes that a plurality of metal is walked
Line, the metal routing include that the metal routing being arranged along the first extending direction and the metal being arranged along the second extending direction are walked
Line, it is at least not all equal along the distance between the adjacent metal cabling of extending direction setting；Wherein, first extending direction
It is mutually perpendicular to second extending direction.
Second aspect, the embodiment of the present invention additionally provide a kind of display device, including the display panel described in first aspect.
An embodiment of the present invention provides a kind of display panel and display device, setting fingerprint identification unit is located at array substrate
Side far from pixel unit, fingerprint identification unit be used for according to via touch main body be reflected into the light of fingerprint identification unit into
Row fingerprint recognition, that is, array substrate arrival fingerprint identification unit need to be passed through by being reflected into the light of fingerprint identification unit, pass through setting
It is at least not all equal along the distance between the adjacent metal cabling of extending direction setting in array substrate, compared with the existing technology
Middle setting is all equal along the distance between adjacent metal cabling of the first extending direction, and along the adjacent of the second extending direction
The distance between metal routing is all equal, reduces the probability that metal routing is fully located at transparent area, is conducive to increase display
The light transmission rate of module improves the fingerprint recognition semaphore of display panel.
Description of the drawings
By reading a detailed description of non-restrictive embodiments in the light of the attached drawings below, the application's is other
Feature, objects and advantages will become more apparent upon：
Fig. 1 is a kind of overlooking structure diagram of display panel provided in an embodiment of the present invention；
Fig. 2 is a kind of cross-sectional view of display panel provided in an embodiment of the present invention；
Fig. 3 is the overlooking structure diagram of another display panel；
Fig. 4 is a kind of film layer structure schematic diagram of fingerprint identification unit provided in an embodiment of the present invention；
Fig. 5 is the overlooking structure diagram of another display panel provided in an embodiment of the present invention；
Fig. 6 is the overlooking structure diagram of another display panel provided in an embodiment of the present invention；
Fig. 7 is the overlooking structure diagram of another display panel provided in an embodiment of the present invention；
Fig. 8 is a kind of electrical block diagram of pixel circuit provided in an embodiment of the present invention；
Fig. 9 is the overlooking structure diagram of another display panel provided in an embodiment of the present invention；
Figure 10 is a kind of domain schematic diagram of array substrate provided in an embodiment of the present invention；
Figure 11 is a kind of structural schematic diagram of display device provided in an embodiment of the present invention.
Specific implementation mode
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention rather than limitation of the invention.It also should be noted that in order to just
Only the parts related to the present invention are shown in description, attached drawing rather than entire infrastructure.It is same or similar in this specification
Drawing reference numeral represent same or analogous structure, element or flow.It should be noted that in the absence of conflict, this Shen
Please in embodiment and embodiment in feature can be combined with each other.
An embodiment of the present invention provides a kind of display panel, including display module and fingerprint recognition module, display module packets
Array substrate and multiple pixel units in array substrate are included, fingerprint recognition module is located at array substrate far from pixel list
The side of member, fingerprint recognition module includes first substrate and at least one fingerprint identification unit on first substrate, is referred to
Line recognition unit is used to carry out fingerprint recognition according to the light for being reflected into fingerprint identification unit via touch main body.Array substrate packet
Multiple transparent areas and multiple alternatively non-transparent districts are included, array substrate further includes a plurality of metal routing, and metal routing includes extending along first
The metal routing of direction setting and the metal routing being arranged along the second extending direction, at least along the adjacent of extending direction setting
The distance between metal routing is not all equal；Wherein, the first extending direction is mutually perpendicular to the second extending direction.
Everyone skin lines including fingerprint is different on pattern, breakpoint and crosspoint, and uniqueness is presented
And it is constant throughout one's life.Accordingly, we can be mapped a people with his fingerprint, by by his fingerprint and pre-saving
Finger print data is compared, and with his true identity of verification, here it is fingerprint identification technologies.Have benefited from electronics Integrated-manufacturing Techniques
With quick and reliable algorithm research, optical fingerprint identification technology has begun to enter into our daily life in fingerprint identification technology
It is living, become and studies most deep, most widely used, the most ripe technology of development in current biological detection.Optical finger print identifies skill
The operation principle of art is that the light that light source is sent out in display panel is irradiated on finger, handles digital reflex and forms reflected light, institute's shape
At reflected light pass to fingerprint sensor in, fingerprint sensor is acquired optical signal incident thereon.Due to fingerprint
On there are specific lines, it is different to form intensity of reflected light in the ridge of finger and paddy position, finally so that each sensor will
The collected optical signal of institute is different, and then realizes fingerprint identification function, can determine user real identification accordingly.
Fingerprint recognition module is generally set to below display module by the display panel with fingerprint identification function, light source hair
The light gone out is received via the fingerprint recognition module for passing through display module to be shown below module after main body reflection is touched, display panel
Realize fingerprint identification function.But the overwhelming majority that the opaque film layer such as metal layer in display module occupies display module is thrown
Shadow area so that the light transmission rate of display module is relatively low, reduces the light for exposing to fingerprint recognition module so that display panel
Fingerprint recognition semaphore reduces.
Setting of embodiment of the present invention fingerprint identification unit is located at side of the array substrate far from pixel unit, fingerprint recognition list
Member is reflected into fingerprint recognition list for carrying out fingerprint recognition according to the light for being reflected into fingerprint identification unit via touch main body
The light of member need to pass through array substrate and reach fingerprint identification unit, be at least arranged along an extending direction by being arranged in array substrate
The distance between adjacent metal cabling it is not all equal, compared with the existing technology in setting along the first extending direction adjacent metal
The distance between cabling is all equal, and all equal along the distance between adjacent metal cabling of the second extending direction, drop
Low metal routing is fully located at the probability of transparent area, is conducive to the light transmission rate for increasing display module, improves display panel
Fingerprint recognition semaphore.
It is core of the invention thought above, following will be combined with the drawings in the embodiments of the present invention, to the embodiment of the present invention
In technical solution be clearly and completely described.Based on the embodiments of the present invention, those of ordinary skill in the art are not having
Under the premise of making creative work, the every other embodiment obtained shall fall within the protection scope of the present invention.
Fig. 1 is a kind of overlooking structure diagram of display panel provided in an embodiment of the present invention, and Fig. 2 is the embodiment of the present invention
A kind of cross-sectional view of the display panel provided.Display panel includes that display module 1 and fingerprint are known combined with Figure 1 and Figure 2,
Other module 2, display module 1 include array substrate 10 and multiple pixel units 11 in array substrate 10, fingerprint recognition
Module 2 is located at side of the array substrate 10 far from pixel unit 11, and fingerprint recognition module 2 includes first substrate 20 and is located at
At least one fingerprint identification unit 21 on first substrate 20, fingerprint identification unit 21 are used to reflect according to via touch main body 4
Light to fingerprint identification unit 21 carries out fingerprint recognition.Array substrate 10 includes multiple transparent area A and multiple alternatively non-transparent district B,
Array substrate 10 further includes a plurality of metal routing 3, metal routing 3 include along the first extending direction XX settings metal routing with
And the metal routing along the second extending direction YY setting, at least between the adjacent metal cabling 3 of extending direction setting away from
From not all equal, such as in Fig. 1, it is not equal to d2 along the first extending direction XX, d1, or along the second extending direction YY, d3 etc.
In d4.Wherein, the first extending direction XX and the second extending direction YY is mutually perpendicular to.
Fig. 3 is the overlooking structure diagram of another display panel.As shown in figure 3, the pixel unit 11 in display panel
There is different arrangement periods from the alternatively non-transparent district B in display panel, such as two rows, three row pixel unit 11 corresponds to three rows two row
Alternatively non-transparent district B settings, pixel unit 11 are general having the same along the metal routing of the first extending direction XX settings and along second
The metal routing of extending direction YY setting exemplarily only shows the metal routing along the first extending direction XX settings in Fig. 3
3.Along the first extending direction XX, if the distance between setting adjacent metal cabling 3 is equal as d, metal routing 3 can't always be
With alternatively non-transparent district B there are overlapping part, the metal routing 3 being fully located in transparent area A there will more than likely be.The embodiment of the present invention is logical
It is not all equal to cross the distance between adjacent metal cabling 3 that setting is at least arranged along an extending direction, it is complete to improve metal routing 3
The full probability for being located at transparent area A is conducive to the light transmission rate for increasing display module 1, improves the fingerprint recognition signal of display panel
Amount.
Touch main body 4 be usually finger, fingerprint by positioned at finger tip skin surface series of ridges 41 and paddy 42 form, by
It is different with the distance of paddy 42 to fingerprint identification unit 21 in ridge 41, what the ridge 41 and paddy 42 that fingerprint identification unit 21 receives reflected
Light intensity is different so that by the reflected light that the position of ridge 41 is formed and the reflected light formed at the position of paddy 42 conversion
At current signal it is of different sizes, and then fingerprint recognition can be carried out according to current signal size.It should be noted that touching master
Body 4 or palm etc. can also utilize palmmprint to realize the function of detection and identification.
Fig. 4 is a kind of electrical block diagram of fingerprint identification unit provided in an embodiment of the present invention, and Fig. 5 is that the present invention is real
The film layer structure schematic diagram for applying a kind of fingerprint identification unit of example offer, in conjunction with Fig. 4 and Fig. 5, fingerprint identification unit 21 includes light
Quick diode D, storage capacitance C and thin film transistor (TFT) T.The first electrode electricity of the positive D1 and storage capacitance C of photodiode D
Connection, cathode D2 are electrically connected with the source electrode Ts of the second electrode of storage capacitance C and thin film transistor (TFT) T；The grid of thin film transistor (TFT) T
Pole Tg is electrically connected with thread switching control Gate, and the drain electrode Td of thin film transistor (TFT) T is electrically connected with signal wire Data.Photodiode D
For the light for touching main body reflection to be converted into current signal.Specifically, photodiode D further includes being located at anode D1 and cathode
PIN junction D3 between D2.Wherein, cathode D2 is formed by opaque metal, and the boundary of PIN junction D3 is no more than the side of cathode D2
Boundary.The positive D1 of photodiode D is located at sides of the PIN section D3 far from thin film transistor (TFT) T.PIN junction D3 has light sensitive characteristic,
And there is unilateral conduction.When no light, PIN junction D3 has the saturation reverse leakage current of very little, i.e. dark current, and at this time photosensitive two
Pole pipe D cut-offs.When by illumination, the saturation reverse leakage current of PIN junction D3 greatly increases, and forms photoelectric current, and photoelectric current is with entering
It penetrates the variation of luminous intensity and changes.
The principle for carrying out fingerprint recognition to display panel in conjunction with Fig. 4 and Fig. 5 is described in detail, in the fingerprint recognition stage,
Node H1 inputs low voltage signal (such as constant voltage signal that size is -5V), signal wire Data high input voltage signals
(such as constant voltage signal that size is 1.5V).The entire fingerprint recognition stage includes preparation stage, fingerprint signal acquisition phase
With fingerprint signal detection-phase.In the preparation stage, the driving chip that fingerprint identification unit 21 is electrically connected (does not show in Fig. 3 and Fig. 4
Go out) by the thin film transistor (TFT) T conductings of thread switching control Gate control fingerprint identification units 21, storage capacitance C chargings, until depositing
Storing up electricity holds C charging completes.In the fingerprint recognition stage, the film that fingerprint identification unit 21 is controlled using thread switching control Gate is brilliant
Body pipe T is closed.When user by finger press on a display panel, handle digital reflex formation reflected light be incident on fingerprint recognition list
It in member 21, is received by the photodiode D of fingerprint identification unit 21, and form photoelectric current, the direction of the photoelectric current is by node
H2 is directed toward node H1, so that the current potential of H2 changes.It, can direct detection node H2 in fingerprint signal detection-phase
Potential change amount, and then determine the size of photoelectric current, to realize the fingerprint identification function of display panel.Illustratively, in fingerprint
Phase detected signal can also utilize the thin film transistor (TFT) T of thread switching control Gate control fingerprint identification units 21 to open, at this time
There are potential differences, storage capacitance C to be in charged state between two electrodes of storage capacitance C, the electricity being filled with by detecting storage capacitance C
Lotus amount, and then determine the size of photoelectric current, the fingerprint identification function of display panel equally may be implemented.
Optionally, as shown in Figure 1, alternatively non-transparent district B can be arranged being in along the first extending direction XX and the second extending direction YY
Matrix arrangement, the first extending direction XX are mutually perpendicular to the second extending direction YY, and metal routing 3 includes along the first extending direction XX
The first metal routing 31 being arranged and the second metal routing 32 along the second extending direction YY settings, are arranged adjacent first metal
The distance between cabling 31 is not all equal, such as is not equal to d2, and adjacent second metal along the first extending direction XX, d1 in Fig. 1
The distance between cabling 32 is not all equal, such as is not equal to d4 along the second extending direction YY, d3 in Fig. 1, reduces first in this way
Metal routing 31 and the second metal routing 32 are fully located at the probability of transparent area A, and the light for being conducive to increase display module 1 penetrates
Rate improves the fingerprint recognition semaphore of display panel.
Optionally, can be arranged with alternatively non-transparent district B there are the density of the first metal routing 31 of overlapping part be more than with it is non-
There is no the density of the first metal routing 31 of overlapping part by transparent area B, for the first metal routing 31 of identical quantity, relatively
Reduce with alternatively non-transparent district B there is no the quantity of the first metal routing 31 of overlapping part in the prior art, that is, reduces completely
Positioned at the quantity of the first metal routing 31 of transparent area A.The second metal there are overlapping part with alternatively non-transparent district B can also be set
The density of cabling 32 is more than the density for the second metal routing 32 that overlapping part is not present with alternatively non-transparent district B, for identical quantity
The second metal routing 32, reduce compared with the existing technology with alternatively non-transparent district B be not present overlapping part the second metal routing
32 quantity, that is, reduce the quantity for the second metal routing 32 for being fully located at transparent area A, and the light for increasing display module 1 is saturating
Light rate reduces display module 1 and is blocked to reflexing to 21 light of fingerprint identification unit, improves the fingerprint recognition of display panel
Semaphore.
Optionally, as shown in Figure 1, can be arranged all first metal routings 31 and all second metal routings 32 with
There are overlapping parts by alternatively non-transparent district B, that is, the first metal routing 31 or the second metal routing for being fully located at transparent area A is not present
32, the first metal routing 31 and the second metal routing 32 for being fully located at transparent area A are greatly reduced compared with the existing technology
Quantity increases the light transmittance of display module 1 to a greater degree, reduces display module 1 to reflexing to fingerprint identification unit
21 light block, and improve the fingerprint recognition semaphore of display panel.
Fig. 6 is the overlooking structure diagram of another display panel provided in an embodiment of the present invention.As shown in fig. 6, setting
The alternatively non-transparent district B of array substrate 10 forms multiple row alternatively non-transparent district B, adjacent two row alternatively non-transparent district B along the along the first extending direction XX
The two unjustified settings of extending direction YY, the first extending direction XX are mutually perpendicular to the second extending direction YY.Metal routing 3 includes edge
First metal routing 31 of the first extending direction XX settings and the second metal routing 32 along the second extending direction YY, adjacent first
The distance between metal routing 31 is not all equal, such as d1 is not equal to d2 in Fig. 6, reduces the first metal routing 31 and is fully located at
The probability of transparent area A is conducive to the light transmission rate for increasing display module 1, improves the fingerprint recognition semaphore of display panel.
Optionally, can be arranged with alternatively non-transparent district B there are the density of the first metal routing 31 of overlapping part be more than with it is non-
There is no the density of the first metal routing 31 of overlapping part by transparent area B.For the first metal routing 31 of identical quantity, relatively
Reduce with alternatively non-transparent district B there is no the quantity of the first metal routing 31 of overlapping part in the prior art, that is, reduces completely
Positioned at the quantity of the first metal routing 31 of transparent area A, the light transmittance of display module 1 is increased, it is right to reduce display module 1
Blocking for 21 light of fingerprint identification unit is reflexed to, the fingerprint recognition semaphore of display panel is improved.
Optionally, as shown in fig. 6, all first metal routings 31 can be arranged with alternatively non-transparent district B there are overlapping part,
The first metal routing 31 for being fully located at transparent area A is not present, greatly reduces be fully located at light transmission compared with the existing technology
The quantity of the first metal routing 31 of area A, increases the light transmittance of display module 1, reduces display module 1 to a greater degree
It is blocked to reflexing to 21 light of fingerprint identification unit, improves the fingerprint recognition semaphore of display panel.
Fig. 7 is the overlooking structure diagram of another display panel provided in an embodiment of the present invention.As shown in fig. 7, display
Panel for example can be organic light emitting display panel, and display panel includes multiple pixel circuits 51, multi-strip scanning signal wire 52, more
Data signal wire 53 and multiple organic illuminating elements 54, pixel circuit 51 and organic illuminating element 54 can be set to scanning
For signal wire 52 in the space of 53 formation arranged in a crossed manner of data signal line, pixel circuit 51 can be in the scanning letter being electrically connected
Under the action of the scanning signal that number line 52 inputs, connection is corresponding to it the data signal line 53 and organic illuminating element of electrical connection
54, data signal line 53 realizes the display work(of display base plate according to this to 54 transmission data signal of corresponding organic illuminating element
Energy.
Fig. 8 is a kind of electrical block diagram of pixel circuit provided in an embodiment of the present invention, in conjunction with Fig. 7 and Fig. 8, power supply
Signal wire is electrically connected with port PVDD, and data signal line 53 is electrically connected with the port Vdata of respective pixel circuit 51, scanning signal
Line 52 is electrically connected with the port Sn of respective pixel circuit 51, and the port Sn-1 of pixel circuit 51 is corresponding with lastrow pixel circuit 51
Scan signal line 52 be electrically connected, reseting signal line be electrically connected with port Vinit, capacitance signal line and the making of capacitance C1 same layers,
For realizing the connection relation of capacitance.In conjunction with Fig. 6 and Fig. 7, the first metal routing 31 may include power signal line sum number it is believed that
Number line, the second metal routing 32 may include scan signal line, reseting signal line and capacitance signal line.
Fig. 9 is the overlooking structure diagram of another display panel provided in an embodiment of the present invention.As shown in figure 9, setting
The alternatively non-transparent district B of array substrate 10 forms multirow alternatively non-transparent district B, adjacent rows alternatively non-transparent district B along the along the first extending direction XX
The two unjustified settings of extending direction YY, the first extending direction XX are mutually perpendicular to the second extending direction YY.Metal routing 3 includes edge
First metal routing 31 of the first extending direction XX settings and the second metal routing 32 along the second extending direction YY, adjacent second
The distance between metal routing 32 is not all equal, such as d3 is not equal to d4 in Fig. 9, reduces the second metal routing 32 and is fully located at
The probability of transparent area A is conducive to the light transmission rate for increasing display module 1, improves the fingerprint recognition semaphore of display panel.
Optionally, can be arranged with alternatively non-transparent district B there are the density of the second metal routing 32 of overlapping part be more than with it is non-
There is no the density of the second metal routing 32 of overlapping part by transparent area B.For the second metal routing 32 of identical quantity, relatively
Reduce with alternatively non-transparent district B there is no the quantity of the second metal routing 32 of overlapping part in the prior art, that is, reduces completely
Positioned at the quantity of the second metal routing 32 of transparent area A, the light transmittance of display module 1 is increased, it is right to reduce display module 1
Blocking for 21 light of fingerprint identification unit is reflexed to, the fingerprint recognition semaphore of display panel is improved.
Optionally, as shown in figure 9, all second metal routings 32 can be arranged with alternatively non-transparent district B there are overlapping part,
The second metal routing 32 for being fully located at transparent area A is not present, greatly reduces be fully located at light transmission compared with the existing technology
The quantity of the second metal routing 32 of area A, increases the light transmittance of display module 1, reduces display module 1 to a greater degree
It is blocked to reflexing to 21 light of fingerprint identification unit, improves the fingerprint recognition semaphore of display panel.Optionally, in conjunction with figure
7 and Fig. 9, the first metal routing 31 may include scan signal line, reseting signal line and capacitance signal line, the second metal routing
32 may include power signal line and data signal line.
Figure 10 is a kind of domain schematic diagram of array substrate provided in an embodiment of the present invention.As shown in Figure 10, array substrate
10 may include multiple reflecting electrodes 81 and multiple capacitances 82, exemplarily only show here in 10 regional area of array substrate
A reflecting electrode 81 and a capacitance 82, the alternatively non-transparent district B of array substrate 10 be reflecting electrode 81 and 82 location of capacitance
Domain.Illustratively, display panel can be organic light emitting display panel, then reflecting electrode is lighttight electricity in anode or cathode
Pole.Display panel can also be liquid crystal display panel, then array substrate 10 do not include capacitance, then reflecting electrode be pixel electrode or
Impermeable optoelectronic pole in public electrode.
Optionally, as shown in Fig. 2, pixel unit 11, which can be fingerprint recognition module 2, provides light source, fingerprint identification unit 21
Light for being sent out according to pixel unit 11 is reflected into fingerprint identification unit 21 to carry out fingerprint recognition via main body is touched.It is aobvious
Show that panel can be organic light emitting display panel, pixel unit 11 can be organic light-emitting structure, and fingerprint identification unit 21 can be with
The light sent out according to organic light-emitting structure is reflected into fingerprint identification unit 21 to carry out fingerprint recognition, example via main body 4 is touched
The light that solid line as shown in Figure 2 indicates.It should be noted that Fig. 2 only illustratively be provided with organic light-emitting structure and
The relative position of fingerprint identification unit 21, opposite position of the embodiment of the present invention to organic light-emitting structure and fingerprint identification unit 21
It sets and is not construed as limiting, as long as ensureing that the light that organic light-emitting structure is sent out can reflex to fingerprint identification unit via main body 4 is touched
21.
Optionally, as shown in Fig. 2, fingerprint recognition module 2 can also include fingerprint recognition light source 22, fingerprint recognition light source 22
Positioned at side of the first substrate 20 far from fingerprint identification unit 21, fingerprint identification unit 21 can be according to fingerprint recognition light source 22
The light sent out is reflected into fingerprint identification unit 21 to carry out fingerprint recognition, such as void shown in Fig. 2 via main body 4 is touched
The light that line indicates.Optionally, the light that fingerprint recognition light source 22 is sent out, via between adjacent two fingerprint identification unit 21
Gap, which exposes to, touches main body 4.
It should be noted that the embodiment of the present invention is not construed as limiting the position of fingerprint recognition light source 22, as long as ensureing fingerprint
The light that identification light source 22 is sent out can be reflexed to via main body 4 is touched in fingerprint identification unit 21.Meanwhile institute in Fig. 2
The light that the solid line and dotted line shown indicates only illustratively gives organic light-emitting structure 11 and fingerprint recognition light source 22 is sent out
Certain light, the light that organic light-emitting units 11 and fingerprint recognition light source are sent out can be divergence expression.
Illustratively, fingerprint recognition light source 22 can be collimated light source or area source.Compared with using area source, standard is used
Direct light source can weaken crosstalk of the light reflected to form through user's finger fingerprint between different fingerprint recognition modules 2, improve
The precision of fingerprint recognition.But since collimated light source is often bigger than area source thickness, display panel can be increased using collimated light source
Thickness.
Optionally, as shown in Fig. 2, display panel can also include being located at the encapsulated layer set gradually on pixel unit 11
12, polaroid 13 and cover-plate glass 14.Wherein, encapsulated layer 12 may include packaged glass or thin-film encapsulation layer, work as encapsulated layer
12 include packaged glass when, display panel is not bent；When encapsulated layer 12 includes thin-film encapsulation layer, display panel can be curved
Folding.Optionally, the first substrate 20 as the substrate of fingerprint identification unit 21 may include glass substrate or flexible base board.Example
Property, cover-plate glass 14 can be cohered by optical cement and polaroid 13.
It should be noted that the embodiment of the present invention shows that attached drawing is only exemplary the size for indicating each element and each film layer
Thickness, do not represent each element and each film layer actual size in display panel.
A kind of display device that the embodiment of the present invention also provides, Figure 11 are a kind of display device provided in an embodiment of the present invention
Structural schematic diagram.As shown in figure 11, display device 6 includes the display panel 7 in above-described embodiment, therefore the present invention is implemented
The display device 6 that example provides also has the advantageous effect described in above-described embodiment, and details are not described herein again.
Note that above are only presently preferred embodiments of the present invention and institute's application technology principle.It will be appreciated by those skilled in the art that
The present invention is not limited to specific embodiments here, can carry out for a person skilled in the art it is various it is apparent variation, again
Adjustment and replacement are without departing from protection scope of the present invention.Therefore, although by above example to the present invention carried out compared with
For detailed description, but the present invention is not limited only to above example, without departing from the inventive concept, can be with
Including other more equivalent embodiments, and the scope of the present invention is determined by scope of the appended claims.
Claims (16)
1. a kind of display panel, which is characterized in that including：
Display module, the display module include array substrate and multiple pixel units in the array substrate；
Fingerprint recognition module, the fingerprint recognition module is located at side of the array substrate far from the pixel unit, described
Fingerprint recognition module includes first substrate and at least one fingerprint identification unit on the first substrate, the fingerprint
Recognition unit is used to carry out fingerprint recognition according to the light for being reflected into the fingerprint identification unit via touch main body；
The array substrate includes multiple transparent areas and multiple alternatively non-transparent districts, and the array substrate further includes a plurality of metal routing,
The metal routing includes the metal routing being arranged along the first extending direction and the metal routing that is arranged along the second extending direction,
It is at least not all equal along the distance between the adjacent metal cabling of extending direction setting；Wherein, first extending direction with
Second extending direction is mutually perpendicular to.
2. display panel according to claim 1, which is characterized in that the alternatively non-transparent district along first extending direction and
Second extending direction is arranged in arrays, and the metal routing includes being walked along the first metal that first extending direction is arranged
Line and the second metal wire being arranged along second extending direction；
The distance between adjacent first metal routing is not all equal, and the distance between adjacent described second metal routing is not complete
It is equal.
3. display panel according to claim 2, which is characterized in that there are described in overlapping part with the alternatively non-transparent district
The density of first metal routing is more than the density for first metal routing that overlapping part is not present with the alternatively non-transparent district；
It is more than there are the density of second metal routing of overlapping part with the alternatively non-transparent district and is not deposited with the alternatively non-transparent district
In the density of second metal routing of overlapping part.
4. display panel according to claim 2, which is characterized in that all first metal routings and all described the
There are overlapping parts with the alternatively non-transparent district for two metal routings.
5. display panel according to claim 1, which is characterized in that the alternatively non-transparent district is along the first extending direction shape
At multiple row alternatively non-transparent district, the adjacent two row alternatively non-transparent district is along the unjustified setting of the second extending direction, the metal routing
The second metal for including the first metal routing being arranged along first extending direction and being arranged along second extending direction
Line；
The distance between adjacent first metal routing is not all equal.
6. display panel according to claim 5, which is characterized in that there are described in overlapping part with the alternatively non-transparent district
The density of first metal routing is more than the density for first metal routing that overlapping part is not present with the alternatively non-transparent district.
7. display panel according to claim 5, which is characterized in that all first metal routings with it is described non-
There are overlapping parts in light area.
8. display panel according to claim 5, which is characterized in that first metal routing include power signal line and
Data signal line, second metal routing include scan signal line, reseting signal line and capacitance signal line.
9. display panel according to claim 1, which is characterized in that the alternatively non-transparent district is along the first extending direction shape
At multirow alternatively non-transparent district, alternatively non-transparent district described in adjacent rows is along the unjustified setting of the second extending direction, the metal routing
The second metal for including the first metal routing being arranged along first extending direction and being arranged along second extending direction
Line；
The distance between adjacent second metal routing is not all equal.
10. display panel according to claim 9, which is characterized in that there are the institutes of overlapping part with the alternatively non-transparent district
The density for stating the second metal routing is more than the density for second metal routing that overlapping part is not present with the alternatively non-transparent district.
11. display panel according to claim 9, which is characterized in that all second metal routings with it is described non-
There are overlapping parts for transparent area.
12. display panel according to claim 9, which is characterized in that first metal routing include scan signal line,
Reseting signal line and capacitance signal line, second metal routing includes power signal line and data signal line.
13. display panel according to claim 1, which is characterized in that the array substrate include multiple reflecting electrodes and
The alternatively non-transparent district of multiple capacitance electrodes, the array substrate is the reflecting electrode and the region where the capacitance electrode.
14. display panel according to claim 1, which is characterized in that the pixel unit is the fingerprint recognition module
Light source is provided, the light that the fingerprint identification unit is used to send out according to the pixel unit is reflected into via the touch main body
The fingerprint identification unit is to carry out fingerprint recognition.
15. display panel according to claim 1, which is characterized in that the fingerprint recognition module further includes fingerprint recognition
Light source, the fingerprint recognition light source are located at side of the first substrate far from the fingerprint identification unit；
The light that the fingerprint recognition light source is sent out exposes to described via the gap between adjacent two fingerprint identification unit
Main body is touched, the light that the fingerprint identification unit is used to send out according to the fingerprint recognition light source is anti-via the touch main body
The fingerprint identification unit is mapped to carry out fingerprint recognition.
16. a kind of display device, which is characterized in that including claim 1-15 any one of them display panels.
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| CN201810251540.5A CN108287428B (en) | 2018-03-26 | 2018-03-26 | Display panel and display device |
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| CN110596979A (en) * | 2019-09-27 | 2019-12-20 | 厦门天马微电子有限公司 | Array substrate and display device |
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| CN111652115A (en) * | 2020-05-29 | 2020-09-11 | 上海天马微电子有限公司 | Display module, display device and fingerprint identification method of display device |
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