CN108334825A - Display panel and display device - Google Patents
Display panel and display device Download PDFInfo
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- CN108334825A CN108334825A CN201810059443.6A CN201810059443A CN108334825A CN 108334825 A CN108334825 A CN 108334825A CN 201810059443 A CN201810059443 A CN 201810059443A CN 108334825 A CN108334825 A CN 108334825A
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- Prior art keywords
- display panel
- touch
- electrode
- layer
- light sensation
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- 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
- G06V40/1324—Sensors therefor by using geometrical optics, e.g. using prisms
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
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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
- H10K59/40—OLEDs integrated with touch screens
Abstract
The application discloses a kind of display panel and display device, is related to display technology field, including substrate and the display function layer and touch function layer that are successively set in substrate, and light sensation identification layer is additionally provided with close to the side of substrate in touch function layer；Touch function layer includes multiple touch control electrode units, and touch-control conductive grid and transparent area are provided in each touch control electrode unit, and transparent area is located in touch-control conductive grid region defined by each grid；Light sensation identification layer includes multiple light sensation identification sensors, and in a direction that is perpendicular to the base, transparent area is overlapping at least partly light sensation identification sensor.So, during fingerprint recognition, the light reflected from finger has significant portion that can be conducted from transparent area to light sensation identification sensor, therefore is conducive to increase the whole transmitance of display panel and display device, it also helps and promotes fingerprint recognition semaphore, and then be conducive to promote fingerprint recognition efficiency.
Description
Technical field
This application involves display technology fields, specifically, being related to a kind of display panel and display device.
Background technology
In recent years, in recent years, organic electroluminescence device (OLED, Organic Light-Emitting Diode) has been
As Flat Panel Display Industry very popular at home and abroad, it is called follow-on " star " flat panel display, this is mainly
Because OLED has, self-luminous, wide viewing angle, the reaction time is fast, luminous efficiency is high, plate thickness is thin, can make large scale and bendable
The features such as musical form panel, processing procedure are simple, inexpensive.
In addition, touch screen technology has gradually replaced the mainstream technology for becoming mobile terminal etc. by key technology.Touch screen skill
When being mounted on the touch screen of display front end according to contacts such as finger, pens when art, position (in the form of coordinate) quilt for being touched
CPU is detected and is sent to, so that it is determined that a kind of technology for the information being entered.Currently, the application range of touch screen is boundless,
Main product includes man-machine display circle of the mobile terminals such as touch-control class mobile phone, laptop and industrial automation industry
Face etc..
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.
With the development of display technology, being integrated with the flexible display panels of touch function and fingerprint identification function becomes research
Hot spot and mainstream technological trend, how to improve the fingerprint recognition performance of flexible touch-control display panel is the emphasis faced in the industry
Technical barrier.
Invention content
In view of this, technical problems to be solved in this application are to provide a kind of display panel and display device, in touch-control
Transparent area is provided in electrode unit, during fingerprint recognition, the light reflected from finger has significant portion can be from light transmission
Area is conducted to light sensation identification sensor, therefore is conducive to increase the whole transmitance of display panel and display device, is also helped
Fingerprint recognition semaphore is promoted, and then is conducive to promote fingerprint recognition performance.
In order to solve the above-mentioned technical problem, the application has following technical solution：
In a first aspect, the application provides a kind of display panel, including substrate and set gradually display on the substrate
Functional layer and touch function layer are additionally provided with light sensation identification layer in the touch function layer close to the side of the substrate；
The touch function layer includes multiple touch control electrode units, and touch-control conduction is provided in each touch control electrode unit
Grid and transparent area, the transparent area are located in the touch-control conductive grid region defined by each grid；
The light sensation identification layer includes multiple light sensation identification sensors, in a direction that is perpendicular to the base, the transparent area
It is overlapping at least partly described light sensation identification sensor.
Second aspect, the application provide a kind of display device, including display panel, which is provided herein
Display panel.
Compared with prior art, display panel described herein and display device have reached following effect：
In display panel and display device provided herein, it is located at setting in the touch control electrode unit of touch function layer
There are touch-control conductive grid and transparent area, transparent area to be located in conductive grid region defined by each grid.In the mistake of fingerprint recognition
Cheng Zhong, the light that light source is sent out can be conducted to light sensation knowledge via the reflected light formed after main body reflects is touched by above-mentioned transparent area
Transparent area, and transparent area and at least partly light sensation identification sensor is arranged in individual sensor, the application in touch control electrode unit
It is overlapping, this makes it possible to enable a big chunk in reflected light to conduct to light sensation identification sensor, therefore be conducive to increase aobvious
The whole transmitance for showing panel and display device also helps the semaphore for promoting fingerprint recognition, and then is conducive to promote fingerprint
Recognition performance.
Description of the drawings
Attached drawing described herein is used for providing further understanding of the present application, constitutes part of this application, this Shen
Illustrative embodiments and their description please do not constitute the improper restriction to the application for explaining the application.In the accompanying drawings：
Fig. 1 show a kind of partial cross section for the display panel for carrying touch function and fingerprint identification function in the prior art
Figure；
Fig. 2 show a kind of vertical view for the display panel that the embodiment of the present application is provided；
Fig. 3 show a kind of partial cross-sectional view for the display panel that the embodiment of the present application is provided；
Fig. 4 show a kind of vertical view of touch function layer in the display panel that the embodiment of the present application is provided；
Fig. 5 show another partial cross-sectional view figure for the display panel that the embodiment of the present application is provided；
Fig. 6 show a kind of arrangement signal of self-capacitance touch control electrode in the display panel that the embodiment of the present application is provided
Figure；
Fig. 7 show a kind of arrangement signal of mutual capacitance type touch control electrode in the display panel that the embodiment of the present application is provided
Figure；
Fig. 8 show one kind of single first electrode subelement or second sub electrode unit that the embodiment of the present application is provided
Structural schematic diagram；
Fig. 9 show the another of the single first electrode subelement that the embodiment of the present application is provided or second sub electrode unit
Kind structural schematic diagram；
It is single that Figure 10 show first electrode subelement or second electrode in the display panel that the embodiment of the present application is provided
A kind of connection diagram inside member；
It is single that Figure 11 show first electrode subelement or second electrode in the display panel that the embodiment of the present application is provided
Another connection diagram inside member；
Figure 12 show another partial cross-sectional view for the display panel that the embodiment of the present application is provided；
Figure 13 show a kind of structural schematic diagram of display function layer in the display panel that the embodiment of the present application is provided；
Figure 14 show a kind of structural schematic diagram for the display device that the embodiment of the present application is provided.
Specific implementation mode
Some vocabulary has such as been used to censure specific components in specification and claim.Those skilled in the art answer
It is understood that hardware manufacturer may call the same component with different nouns.This specification and claims are not with name
The difference of title is used as the mode for distinguishing component, but is used as the criterion of differentiation with the difference of component functionally.Such as logical
The "comprising" of piece specification and claim mentioned in is an open language, therefore should be construed to " include but do not limit
In "." substantially " refer in acceptable error range, those skilled in the art can be described within a certain error range solution
Technical problem basically reaches the technique effect.In addition, " coupling " word includes any direct and indirect electric property coupling herein
Means.Therefore, if it is described herein that a first device is coupled to a second device, then representing the first device can directly electrical coupling
It is connected to the second device, or the second device indirectly electrically coupled through other devices or coupling means.Specification
Subsequent descriptions be implement the application better embodiment, so it is described description be for the purpose of the rule for illustrating the application,
It is not limited to scope of the present application.The protection domain of the application is when subject to appended claims institute defender.
Fig. 1 show a kind of partial cross section for the display panel for carrying touch function and fingerprint identification function in the prior art
Figure, which includes substrate 301, light sensation identification layer 302, display function layer 303 and touch function layer 304, in fingerprint
In identification process, the light that is sent out from pixel unit 305 via forming reflected light after touching main body 306 (being, for example, finger) reflection,
The reflected light has a big chunk that can be blocked by the touch control electrode in touch function layer 304, causes to be connect by light sensation identification layer 302
The light of receipts is very little, and the semaphore of fingerprint recognition is made to substantially reduce, and largely affects the work of light sensation identification layer 302
Make, greatly reduces the fingerprint recognition performance of display panel.
In view of this, technical problems to be solved in this application are to provide a kind of display panel and display device, in touch-control
Transparent area is provided in electrode unit, during fingerprint recognition, the light reflected from finger has significant portion can be from light transmission
Area is conducted to light sensation identification sensor, therefore is conducive to increase the whole transmitance of display panel and display device, is also helped
Fingerprint recognition semaphore is promoted, and then is conducive to promote fingerprint recognition performance.
First, Fig. 2 to Fig. 4 is referred to, Fig. 2 show a kind of vertical view for the display panel that the embodiment of the present application is provided
Figure, Fig. 3 show a kind of partial cross-sectional view for the display panel that the embodiment of the present application is provided, and Fig. 4 show the application implementation
A kind of vertical view of touch function layer in the display panel that is provided of example, in conjunction with Fig. 2 to Fig. 4, what the embodiment of the present application was provided
Display panel 100 includes substrate 101 and the display function layer 102 being successively set in substrate 101 and touch function layer 103,
Touch function layer 103 is additionally provided with light sensation identification layer 104 close to the side of substrate 101；
Fig. 4 is referred to, touch function layer 103 includes multiple touch control electrode units 20, is arranged in each touch control electrode unit 20
There are touch-control conductive grid 21 and transparent area 22, transparent area 22 to be located in touch-control conductive grid 21 region defined by each grid；
Light sensation identification layer 104 includes multiple light sensation identification sensors 105, on the direction of substrate 101, transparent area
22 is overlapping at least partly light sensation identification sensor 105.
Specifically, Fig. 2 is referred to, the display panel 100 that the embodiment of the present application is provided is provided with viewing area 11 and non-aobvious
Show area 12, refer to Fig. 3, the display panel 100 that the embodiment of the present application is provided introduces on the basis of display function layer 102
Touch function layer 103 and light sensation identification layer 104, to realizing the touch function and fingerprint identification function of display panel 100.
In particular, the touch function layer 103 that the embodiment of the present application is provided includes multiple touch control electrode units 20 as shown in Figure 4, respectively
Touch-control conductive grid 21 and transparent area 22 are provided in touch control electrode unit 20, transparent area 22 is located in touch-control conductive grid 21 respectively
Region defined by grid, Fig. 5 show another partial cross-sectional view of display panel 100 that the embodiment of the present application is provided, ginseng
See Fig. 5, light sensation identification layer 104 includes multiple light sensation identification sensors 105, on the direction of substrate 101, touch control electrode
The transparent area 22 being arranged in unit 20 is overlapping at least partly light sensation identification sensor 105, in fingerprint identification process, sub-pixel
50 light sent out can be conducted to light sensation identification via the reflected light formed after main body 60 reflects is touched by above-mentioned transparent area 22
Sensor 105, that is to say, that the embodiment of the present application transparent area 22 set in touch control electrode unit 20 is fingerprint recognition mistake
Light sensation identification sensor 105 receives reflected light and provides access in journey, can ensure to be formed after touching main body 60 and reflecting in this way
Reflected light have significant portion can received by light sensation identification sensor 105, transparent area 22 not only contribute to increase display surface
The whole transmitance of plate 100 also helps the semaphore for promoting fingerprint recognition, light sensation identification sensor 105 is enable to obtain foot
Enough light carries out fingerprint recognition, and then is conducive to promote fingerprint recognition performance, improves the reliability of fingerprint identification process.This
Outside, the embodiment of the present application touch control electrode unit 20 in introduce transparent area 22, be conducive to reduce in touch control electrode unit 20 and touch
The area ratio shared by electrode reality is controlled, to be conducive to reduce the load of touch control electrode, when the load reduction of touch control electrode,
Be conducive to improve touching signals amount, and then be conducive to improve the touch-control sensitivity in touch-control stage.
As a kind of alternative embodiment of the application, in the display panel 100 that the embodiment of the present application is provided, in Fig. 4 institutes
Show that the transparent area 22 of touch control electrode unit 20 may be provided with transparent virtual electrode.Dummy electrodes are compared with normal touch control electrode
Floating, any signal will not be received, therefore will not be impacted to touch-control process, and these dummy electrodes are designed as
Bright state can't influence light sensation identification sensor 105 is formed by reflected light to touching reception after main body 60 reflects, in light transmission
Transparent virtual electrode, which is arranged, in area 22 can equally increase the whole transmitance of display panel 100, equally know in favor of promoting fingerprint
Other semaphore, to be conducive to be promoted fingerprint recognition performance and the reliability of fingerprint identification process.
As another alternative embodiment of the application, the application can also be by the light transmission in touch control electrode unit 20 in Fig. 4
Area 22 is to be set as being not provided with any film layer structure in hollow out state, that is, the region defined by each grid, entire light transmission
Area 22 be full through, can be identified completely by light sensation identification sensor 105 by the light of these transparent areas 22, using engraving
The transparent area 22 of sky design can largely promote the semaphore of fingerprint recognition, be more advantageous to promotion fingerprint recognition performance
And the reliability of fingerprint identification process.
Optionally, the touch control electrode unit 20 that the embodiment of the present application is provided is self-capacitance touch control electrode unit 20, ginseng
See that Fig. 6, Fig. 6 show a kind of arrangement signal of self-capacitance touch control electrode in the display panel that the embodiment of the present application is provided
Figure, self-capacitance touch control electrode be using from sending and receiving signal by the way of the receipts, when practical application, each touch-control
Electrode unit 20 connects a touch control electrode lead 23, and in the stage of touch, touch control electrode unit 20 passes through touch control electrode lead 23
Touch detection signal is received, and touch sensible signal is sent by touch control electrode lead 23, to realize to display panel 100
Touch detection.
Optionally, the touch control electrode unit 20 that the embodiment of the present application is provided can also be presented as mutual capacitance type touch control electrode
Unit show a kind of row of mutual capacitance type touch control electrode in the display panel that the embodiment of the present application is provided referring to Fig. 7, Fig. 7
Cloth schematic diagram, when as mutual capacitance type touch control electrode, touch control electrode unit 20 includes touch drive electrode unit and touch-control sense
Electrode unit is answered, in the stage of touch, touch drive electrode unit receives touching signals, when being touched by the external world, touch-control sensing
Electrode unit will feed back touch control detection signal, to realize the touch detection to display panel 100.
Optionally, continuing with referring to Fig. 7, when touch control electrode unit is mutual capacitance type touch control electrode, touch control electrode unit
Including same layer and the first electrode subelement 31 being disposed adjacent and second electrode subelement 32；
First electrode subelement 31 and second electrode subelement 32 respectively include main part 33 and edge department 34, edge department 34
Including transparent electrode material.
Specifically, first electrode subelement 31 herein can be presented as touch drive electrode, and second electrode subelement 32 can
It is presented as that touch-control sensing electrode, Fig. 8 show the single first electrode subelement that the embodiment of the present application is provided or the second son electricity
A kind of structural schematic diagram of pole unit, as can be seen from Figure 8, first electrode subelement 31 and second electrode subelement 32 respectively include
Main part 33 and edge department 34 around main part 33, in mutual capacitance type touch control electrode, referring to Fig. 7, first electrode subelement 31
The knots modification of mutual capacitance is essentially from first electrode subelement 31 and second electrode subelement between second electrode subelement 32
32 edge department 34, in order to promote the light-sensing signal amount of 32 edge of first electrode subelement 31 and second electrode subelement, this
Transparent electrode material composition can be used in the edge department 34 of application embodiment first electrode subelement 31 and second electrode subelement 32,
The main part 33 of first electrode subelement 31 and second electrode subelement 32 includes metal grill, in this way, can effectively improve the
The transmitance of one sub-electrode unit and second sub electrode unit border area, in fingerprint identification process, the light that light source is sent out passes through
The reflected light formed after being reflected by touch main body 60 may be used also except can be conducted to light sensation identification sensor 105 by transparent area 22
It is further conducted to light sensation identification sensor by the edge department 34 of first electrode subelement 31 and second electrode subelement 32
105, to further increase the semaphore of the light in fingerprint identification process received by light sensation identification sensor, to more
Conducive to the semaphore of fingerprint recognition is promoted, light sensation identification sensor 105 is enable to obtain more light to carry out fingerprint recognition, into
And it is more conducive to promotion fingerprint recognition performance, improve the reliability of fingerprint identification process.
It should be noted that in the prior art, on the basis of the application embodiment illustrated in fig. 7, first electrode subelement
31 and second electrode subelement 32 main part 33 in the position (region defined by i.e. each conductive grid) of transparent area would generally
Dummy electrodes are set, and during fingerprint recognition, light that light source is sent out after touching main body reflection via will have greatly
Blocked by dummy electrodes, keep the optical signal received by light sensation identification sensor very weak, on the process of fingerprint recognition influence compared with
Greatly.In view of dummy electrodes are smaller on the influence of touch-control performance, the scheme of the application, which is equivalent to, eliminates dummy electrodes, makes virtual electricity
Region where pole becomes transparent area, in this way, transparent area be fingerprint identification process in biography from light to light sensation identification sensor
It leads and provides access, the light that light source is sent out will have after being reflected via touch main body can greatly be conducted by transparent area to light
Perception individual sensor, therefore the semaphore of fingerprint recognition is increased, greatly improve the fingerprint recognition performance of display panel.
Optionally, continuing with referring to Fig. 8, in the display panel 100 that the embodiment of the present application is provided, first electrode subelement
31 and second electrode subelement 32 edge department 34 transparent electrode material structure be transparent electrode block 37.Using transparent electrode
When the edge department 34 of the formation first electrode of block 37 subelement 31 and second electrode subelement 32, the light that light source is sent out is led via touch
The reflected light formed after body reflection can penetrate transparent electrode block 37 and be received by light sensation identification sensor, be equally beneficial for carrying
The semaphore of fingerprint recognition is risen, and then is conducive to promote fingerprint recognition performance and the reliability of fingerprint identification process.
Optionally, Fig. 9 show the single first electrode subelement or second sub electrode list that the embodiment of the present application is provided
Another structural schematic diagram of member is located at the transparent electrode of 32 edge department 34 of first electrode subelement 31 and second electrode subelement
The structure of material is also chosen as transparent electrode grid 38, in this way, the light that light source is sent out is anti-via being formed after touch main body reflection
Penetrating light can either pass through the border area of transparent electrode grid also can pass through void region defined by transparent electrode grid in turn
Conduction is to light sensation identification sensor, and therefore, such mode is also beneficial to promote the semaphore of fingerprint recognition, and then is equally beneficial for
Promote fingerprint recognition performance and the reliability of fingerprint identification process.
Optionally, above-mentioned transparent electrode material is indium tin oxide, indium-zinc oxide, zinc oxide, aluminium zinc oxide, nanometer
One or more of silver wire, graphene, as long as transparent conductive material, the application is to the specific of transparent electrode material
It constitutes without limiting.
Certainly, in Fig. 7-embodiment illustrated in fig. 9, the edge department 34 of the first sub-electrode unit 31 and second sub electrode unit 32
In addition to using the form of transparent electrode material, the form that metal grill also can be used is constituted, due to transparent area 22 and at least partly
Light sensation identification sensor 105 overlaps (referring to Fig. 5), even if main part 33 and edge department 34 are all made of metal grill composition, son
The reflected light that the light that pixel is sent out is formed after touching main body 60 and reflecting still is able to know by the conduction of above-mentioned transparent area 22 to light sensation
Individual sensor 105 is equally beneficial for increasing the semaphore of the light in fingerprint identification process received by light sensation identification electrode, favorably
In promotion fingerprint recognition performance.In addition to this, in Fig. 7-embodiment illustrated in fig. 9, the first sub-electrode unit 31 and second sub electrode
The form that the edge department 34 and main part 33 of unit 32 can also be all made of transparent electrode material is constituted, so that entire touch-control work(
The transparent state of ergosphere, the reflected light that the light that sub-pixel is sent out is formed after touching main body 60 and reflecting can be identified by light sensation and be passed
Sensor 105 is received, and the semaphore for increasing the light in fingerprint identification process received by light sensation identification electrode is more advantageous to, to
It is more advantageous to promotion fingerprint recognition performance.
Optionally, Figure 10 show first electrode subelement or the second electricity in the display panel that the embodiment of the present application is provided
A kind of connection diagram inside the subelement of pole, it is contemplated that in Fig. 8 and embodiment illustrated in fig. 9, first electrode subelement and second
The edge department 34 of electrode subelement is constituted using transparent electrode material, due to for same first electrode subelement 31 and same the
For two electrode subelements 32, edge department 34 and the needs of main part 33 are electrically connected, and Figure 10 gives edge department 34 and master
A kind of embodiment that body portion 33 is electrically connected, in same first electrode subelement 31, at least partly between edge department 34 and main part 33
Connect electrical connection；In same second electrode subelement 32, at least partly edge department 34 is electrically connected indirectly with main part 33.It can from Figure 10
To find out, touch function layer 103 includes electrode layer (including 33 and 34), insulating layer 36 and the metal bridge layer 35 set gradually, for
For same first electrode subelement 31 or same second electrode subelement 32, edge department 34 can be by way of punching and metal
Bridge layer 35 is electrically connected, to realize the indirect electrical connection between edge department 34 and main part 33.It should be noted that Figure 10 is only carried
Edge department 34 and main part 33 has been supplied to realize a kind of realization method being electrically connected indirectly, in addition to such mode, the two can also pass through
Other modes realize indirect electrical connection, and the application is to this without specifically limiting.
Certainly, in addition to connection type shown in Fig. 10, optionally, Figure 11 show the display that the embodiment of the present application is provided
Another connection diagram in panel inside first electrode subelement or second electrode subelement, same first electrode subelement
In 31, at least partly edge department 34 is directly electrically connected with main part 33；In same second electrode subelement 32, at least partly edge
Portion 34 is directly electrically connected with main part 33, refers to Figure 11, in the embodiment, since main part 33 and edge department 34 are all conductive
Material, edge department 34 and main part 33 use positioned at identical film layer, which are mutually connected, can be realized direct electrical connection.
Optionally, Figure 12 show another partial cross-sectional view for the display panel that the embodiment of the present application is provided, display
Panel 100 includes multiple sub-pixels 50, and sub-pixel 50 has open region 51 and non-open region 52, perpendicular to the direction of substrate
On, touch-control conductive grid is not overlapped with the open region 51, and transparent area and at least two sub-pixels are overlapping；Non- open region 52 is arranged
There is at least one light sensation identification sensor 105.Open region 51 herein refers to that 100 glazed thread of display panel is permeable effectively
Region, in some realization methods of the prior art, such as the region on display panel 100 where signal wire, thin film transistor (TFT) sheet
Region not fully light transmission where body, the storage capacitors for also having stored voltage etc., also due to by the light in these regions
It being not exposed to the control of voltage therefore can not show correct grayscale, these regions are blocked with black matrix, form non-open region 52,
It is opaque.In embodiment illustrated in fig. 12, region defined by metal grill 21 is transparent area 22, perpendicular to the direction of substrate
On, the open region 51 of transparent area 22 and 3 sub-pixels 50 is overlapping, in this way, the setting of metal grill 21 will not be to sub-pixel 50
The light sent out impacts.It should be noted that in embodiment illustrated in fig. 12, the transparent area defined by a metal grill 21
3 sub-pixels 50 are provided in 22 can also be arranged greater number of sub-pixel 50 in addition to such mode, can so increase
The area in light area 22 is more advantageous to the penetrance for promoting entire display panel, while being more conducive to the letter for promoting fingerprint recognition
Number amount, improves fingerprint recognition performance, and the number of sub-pixel defined by certain metal grill 21 is at least 2, this
Application is to this without specifically limiting.In addition, on the direction of substrate 101, the application is corresponded in each sub-pixel 50
Non- open region 52 be respectively provided with a light sensation identification sensor 105, effectively prevent the introducing of light sensation identification sensor 105
The normal display of display panel is impacted.
Optionally, Fig. 3 is referred to, in the display panel 100 that the embodiment of the present application is provided, display function layer 102 includes
Thin film transistor array layer 41, light emitting functional layer 42 and the thin-film encapsulation layer 43 set gradually, touch function layer 103 are located at film
Side of the encapsulated layer 43 far from light emitting functional layer 42, light sensation identification layer 104 are arranged with 41 same layer of thin film transistor array layer.Fig. 3
In illustrated embodiment, light sensation identification layer 104 is arranged with 41 same layer of thin film transistor array layer, in addition to such mode, light sensation
Identification layer 104 can also be provided at light emitting functional layer 42, thin-film encapsulation layer 43, or positioned at substrate 101 far from light emitting functional layer 42
Side, the application is to this without specifically limiting.
Specifically, Figure 13 show a kind of structure of display function layer in the display panel that the embodiment of the present application is provided and shows
It is intended to, the luminous ergosphere 42 in the display function layer 102 includes anode layer 421, luminescent layer 422 and the cathode layer set gradually
423, the drain electrode of thin film transistor (TFT) in thin film transistor array layer 41 is electrically connected with the anode layer 421 in light emitting functional layer 42
It connects, thin film transistor (TFT) controls light emitting functional layer 42 by its drain electrode.Luminescent layer 422 can be by the organic material of low molecular weight
Material or high molecular weight organic materials are formed, and luminescent layer 422 includes organic emission layer, and can also include hole injection layer
(HIL), at least one of hole transmission layer (HTL), electron transfer layer (ETL) and electron injecting layer (EIL).Certainly, this Shen
Please in light emitting functional layer 42 can also include other film layers in the prior art, repeat no more in the application.Thin-film encapsulation layer
43 include the first inorganic film 431, the first organic film 432 and the second inorganic film 433 set gradually, the first inorganic film
431 and second inorganic film 433 have high compactness and can effectively obstruct water oxygen, and the first organic film 432 has high resiliency,
Can be used as buffer layer effectively inhibits inorganic film to crack.
Optionally, Fig. 3 is referred to, the display panel 100 that the embodiment of the present application is provided further includes polaroid 106, polarisation
Piece 106 is located at side of the touch function layer 103 far from thin-film encapsulation layer 43.It can make to shake by specific direction using polaroid 106
Dynamic light filters out the light of other direction of vibration by display panel 100, to realize the imaging of display panel 100.
Certainly, usually can also one glass cover-plate 107 be set in side of the polaroid 106 far from substrate 101, with to display panel 100
Each film layer play a certain protective role.
Based on same inventive concept, the application also provides a kind of display device 200, refers to Figure 14, and Figure 14 show this
A kind of structural schematic diagram for the display device that application embodiment is provided, the display device 200 include display panel 100, display
The display panel 100 that panel is provided by the embodiment of the present application.The display device 200 that the embodiment of the present application is provided can be：
Any production with real function such as mobile phone, tablet computer, television set, display, laptop, Digital Frame, navigator
Product or component.The embodiment of display device 200 can be found in the embodiment of above-mentioned display panel 100 in the application, repeat place this
Place repeats no more.
By the above various embodiments it is found that advantageous effect existing for the application is：
In display panel and display device provided herein, it is located at setting in the touch control electrode unit of touch function layer
There are touch-control conductive grid and transparent area, transparent area to be located in conductive grid region defined by each grid.In the mistake of fingerprint recognition
Cheng Zhong, the light that light source is sent out can be conducted to light sensation knowledge via the reflected light formed after main body reflects is touched by above-mentioned transparent area
Transparent area, and transparent area and at least partly light sensation identification sensor is arranged in individual sensor, the application in touch control electrode unit
It is overlapping, this makes it possible to enable a big chunk in reflected light to conduct to light sensation identification sensor, therefore be conducive to increase aobvious
The whole transmitance for showing panel and display device also helps the semaphore for promoting fingerprint recognition, and then is conducive to promote fingerprint
Recognition performance.
Several preferred embodiments of the application have shown and described in above description, but as previously described, it should be understood that the application
Be not limited to form disclosed herein, be not to be taken as excluding other embodiments, and can be used for various other combinations,
Modification and environment, and the above teachings or related fields of technology or knowledge can be passed through in the scope of the invention is set forth herein
It is modified.And changes and modifications made by those skilled in the art do not depart from spirit and scope, then it all should be in this Shen
It please be in the protection domain of appended claims.
Claims (15)
1. a kind of display panel, which is characterized in that including substrate and set gradually display function layer on the substrate and touch
Functional layer is controlled, light sensation identification layer is additionally provided with close to the side of the substrate in the touch function layer；
The touch function layer includes multiple touch control electrode units, and touch-control conductive grid is provided in each touch control electrode unit
And transparent area, the transparent area are located in the touch-control conductive grid region defined by each grid；
The light sensation identification layer includes multiple light sensation identification sensors, on the direction of the substrate, the transparent area
It is overlapping at least partly described light sensation identification sensor.
2. display panel according to claim 1, which is characterized in that the transparent area is provided with transparent virtual electrode.
3. display panel according to claim 1, which is characterized in that the transparent area is hollow out state.
4. display panel according to claim 1, which is characterized in that the touch control electrode unit is self-capacitance touch-control electricity
Pole unit.
5. display panel according to claim 1, which is characterized in that the touch control electrode unit is mutual capacitance type touch control electricity
Pole unit.
6. display panel according to claim 5, which is characterized in that the touch control electrode unit includes same layer and adjacent sets
The first electrode subelement and second electrode subelement set；
The first electrode subelement and the second electrode subelement respectively include main part and edge department, the edge department packet
Include transparent electrode material.
7. display panel according to claim 6, which is characterized in that the structure of the transparent electrode material is transparent electrode
Block.
8. display panel according to claim 6, which is characterized in that the structure of the transparent electrode material is transparent electrode
Grid.
9. display panel according to claim 6, which is characterized in that the transparent electrode material is indium tin oxide, indium
One or more of zinc oxide, zinc oxide, aluminium zinc oxide, nano-silver thread, graphene.
10. display panel according to claim 6, which is characterized in that in the same first electrode subelement, at least portion
The edge department is divided to be electrically connected indirectly with the main part；
In the same second electrode subelement, at least partly described edge department is electrically connected indirectly with the main part.
11. display panel according to claim 6, which is characterized in that in the same first electrode subelement, at least portion
The edge department is divided directly to be electrically connected with the main part；
In the same second electrode subelement, at least partly described edge department is directly electrically connected with the main part.
12. display panel according to claim 1, which is characterized in that the display panel includes multiple sub-pixels, described
Sub-pixel has open region and non-open region,
On the direction of the substrate, the touch-control conductive grid is not overlapped with the open region, the transparent area with
At least two sub-pixels are overlapping；
The non-open region is provided at least one light sensation identification sensor.
13. display panel according to claim 1, which is characterized in that the display function layer include set gradually it is thin
Film transistor array layer, light emitting functional layer and thin-film encapsulation layer, the touch function layer are located at the thin-film encapsulation layer far from institute
The side of light emitting functional layer is stated, the light sensation identification layer is arranged with the thin film transistor array layer same layer.
14. display panel according to claim 13, which is characterized in that the display panel further includes polaroid, described
Polaroid is located at the side of the touch function layer far from the thin-film encapsulation layer.
15. a kind of display device, which is characterized in that including display panel, the display panel is any of claim 1 to 14
The display panel.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810059443.6A CN108334825A (en) | 2018-01-22 | 2018-01-22 | Display panel and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810059443.6A CN108334825A (en) | 2018-01-22 | 2018-01-22 | Display panel and display device |
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| CN108334825A true CN108334825A (en) | 2018-07-27 |
Family
ID=62926389
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810059443.6A Pending CN108334825A (en) | 2018-01-22 | 2018-01-22 | Display panel and display device |
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| CN110008885A (en) * | 2019-03-29 | 2019-07-12 | 厦门天马微电子有限公司 | Display panel and display device |
| CN110188672A (en) * | 2019-05-29 | 2019-08-30 | 京东方科技集团股份有限公司 | A kind of touch-control display module, electronic equipment |
| CN110310573A (en) * | 2019-06-27 | 2019-10-08 | 云谷（固安）科技有限公司 | A kind of display panel |
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